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SYSTEM FUNCTIONS of OS Kolibri 0.7.0.0
 1 
SYSTEM FUNCTIONS of OS Kolibri 0.7.0.0
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Number of the function is located in the register eax.
 3 
Number of the function is located in the register eax.
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The call of the system function is executed by "int 0x40" command.
 4 
The call of the system function is executed by "int 0x40" command.
5 
All registers except explicitly declared in the returned value,
 5 
All registers except explicitly declared in the returned value,
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    including eflags, are preserved.
 6 
    including eflags, are preserved.
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======================================================================
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======================================================================
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============== Function 0 - define and draw the window. ==============
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============== Function 0 - define and draw the window. ==============
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======================================================================
 11 
======================================================================
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Defines an application window. Draws a frame of the window, header and
 12 
Defines an application window. Draws a frame of the window, header and
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working area. For skinned windows defines standard close and minimize
 13 
working area. For skinned windows defines standard close and minimize
14 
buttons.
 14 
buttons.
15 
Parameters:
 15 
Parameters:
16 
  * eax = 0 - function number
 16 
  * eax = 0 - function number
17 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
 17 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
18 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
 18 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
19 
  * edx = 0xXYRRGGBB, where:
 19 
  * edx = 0xXYRRGGBB, where:
20 
    * Y = style of the window:
 20 
    * Y = style of the window:
21 
      * Y=0 - type I - fixed-size window
 21 
      * Y=0 - type I - fixed-size window
22 
      * Y=1 - only define window area, draw nothing
 22 
      * Y=1 - only define window area, draw nothing
23 
      * Y=2 - type II - variable-size window
 23 
      * Y=2 - type II - variable-size window
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      * Y=3 - skinned window
 24 
      * Y=3 - skinned window
- 
 
 25 
      * Y=4 - skinned window with fixed sizes
25 
      * other possible values (from 4 up to 15) are reserved,
 26 
      * other possible values (from 4 up to 15) are reserved,
26 
        function call with such Y is ignored
 27 
        function call with such Y is ignored
27 
    * RR, GG, BB = accordingly red, green, blue components of a color
 28 
    * RR, GG, BB = accordingly red, green, blue components of a color
28 
      of the working area of the window (are ignored for style Y=2)
 29 
      of the working area of the window (are ignored for style Y=2)
29 
    * X = DCBA (bits)
 30 
    * X = DCBA (bits)
30 
      * A = 1 - window has caption; for style Y=3 caption string
 31 
      * A = 1 - window has caption; for style Y=3 caption string
31 
                  must be passed in edi, for other styles use
 32 
                  must be passed in edi, for other styles use
32 
                  subfunction 1 of function 71
 33 
                  subfunction 1 of function 71
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      * B = 1 - coordinates of all graphics primitives are relative to
 34 
      * B = 1 - coordinates of all graphics primitives are relative to
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                  window client area
 35 
                  window client area
35 
      * C = 1 - don't fill working area on window draw
 36 
      * C = 1 - don't fill working area on window draw
36 
      * D = 0 - normal filling of the working area, 1 - gradient
 37 
      * D = 0 - normal filling of the working area, 1 - gradient
37 
    The following parameters are intended for windows
 38 
    The following parameters are intended for windows
38 
    of a type I and II, and ignored for styles Y=1,3:
 39 
    of a type I and II, and ignored for styles Y=1,3:
39 
  * esi = 0xXYRRGGBB - color of the header
 40 
  * esi = 0xXYRRGGBB - color of the header
40 
    * RR, GG, BB define color
 41 
    * RR, GG, BB define color
41 
    * Y=0 - usual window, Y=1 - unmovable window
 42 
    * Y=0 - usual window, Y=1 - unmovable window
42 
    * X defines a gradient of header: X=0 - no gradient,
 43 
    * X defines a gradient of header: X=0 - no gradient,
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      X=8 - usual gradient,
 44 
      X=8 - usual gradient,
44 
      for windows of a type II X=4 - negative gradient
 45 
      for windows of a type II X=4 - negative gradient
45 
    * other values of X and Y are reserved
 46 
    * other values of X and Y are reserved
46 
  * edi = 0x00RRGGBB - color of the frame
 47 
  * edi = 0x00RRGGBB - color of the frame
47 
Returned value:
 48 
Returned value:
48 
  * function does not return value
 49 
  * function does not return value
49 
Remarks:
 50 
Remarks:
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  * Position and sizes of the window are installed by the first
 51 
  * Position and sizes of the window are installed by the first
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    call of this function and are ignored at subsequent; to change
 52 
    call of this function and are ignored at subsequent; to change
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    position and/or sizes of already created window use function 67.
 53 
    position and/or sizes of already created window use function 67.
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  * For windows with style Y=3 and caption (A=1) caption string is set
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  * For windows with style Y=3 and caption (A=1) caption string is set
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    by the first call of this function and is ignored at subsequent
 55 
    by the first call of this function and is ignored at subsequent
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    (strictly speaking, is ignored after a call to subfunction 2
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    (strictly speaking, is ignored after a call to subfunction 2
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    of function 12 - end redraw); to change caption of already created
 57 
    of function 12 - end redraw); to change caption of already created
57 
    window use subfunction 1 of function 71.
 58 
    window use subfunction 1 of function 71.
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  * If the window has appropriate styles, position and/or sizes can be
 59 
  * If the window has appropriate styles, position and/or sizes can be
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    changed by user. Current position and sizes can be obtained
 60 
    changed by user. Current position and sizes can be obtained
60 
    by function 9.
 61 
    by function 9.
61 
  * The window must fit on the screen. If the transferred
 62 
  * The window must fit on the screen. If the transferred
62 
    coordinates and sizes do not satisfy to this condition,
 63 
    coordinates and sizes do not satisfy to this condition,
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    appropriate coordinate (or, probably, both) is considered as zero,
 64 
    appropriate coordinate (or, probably, both) is considered as zero,
64 
    and if it does not help too, the appropriate size
 65 
    and if it does not help too, the appropriate size
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    (or, probably, both) is installed in a size of the screen.
 66 
    (or, probably, both) is installed in a size of the screen.
66
67
67 
    Further let us designate xpos,ypos,xsize,ysize - values passed
 68 
    Further let us designate xpos,ypos,xsize,ysize - values passed
68 
    in ebx,ecx. The coordinates are resulted concerning
 69 
    in ebx,ecx. The coordinates are resulted concerning
69 
    the left upper corner of the window, which, thus, is set as (0,0),
 70 
    the left upper corner of the window, which, thus, is set as (0,0),
70 
    coordinates of the right lower corner essence (xsize,ysize).
 71 
    coordinates of the right lower corner essence (xsize,ysize).
71 
  * The sizes of the window are understood in sence of coordinates
 72 
  * The sizes of the window are understood in sence of coordinates
72 
    of the right lower corner. This concerns all other functions too.
 73 
    of the right lower corner. This concerns all other functions too.
73 
    It means, that the real sizes are on 1 pixel more.
 74 
    It means, that the real sizes are on 1 pixel more.
74 
  * The window of type I looks as follows:
 75 
  * The window of type I looks as follows:
75 
    * draw external frame of color indicated in edi, 1 pixel in width
 76 
    * draw external frame of color indicated in edi, 1 pixel in width
76 
    * draw header - rectangle with the left upper corner (1,1) and
 77 
    * draw header - rectangle with the left upper corner (1,1) and
77 
      right lower (xsize-1,min(25,ysize)) color indicated in esi
 78 
      right lower (xsize-1,min(25,ysize)) color indicated in esi
78 
      (taking a gradient into account)
 79 
      (taking a gradient into account)
79 
    * if ysize>=26, fill the working area of the window -
 80 
    * if ysize>=26, fill the working area of the window -
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      rectangle with the left upper corner (1,21) and right lower
 81 
      rectangle with the left upper corner (1,21) and right lower
81 
      (xsize-1,ysize-1) (sizes (xsize-1)*(ysize-21)) with color
 82 
      (xsize-1,ysize-1) (sizes (xsize-1)*(ysize-21)) with color
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      indicated in edx (taking a gradient into account)
 83 
      indicated in edx (taking a gradient into account)
83 
    * if A=1 and caption has been already set by subfunction 1
 84 
    * if A=1 and caption has been already set by subfunction 1
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      of function 71, it is drawn in the corresponding place of header
 85 
      of function 71, it is drawn in the corresponding place of header
85 
  * The window of style Y=1 looks as follows:
 86 
  * The window of style Y=1 looks as follows:
86 
    * completely defined by the application
 87 
    * completely defined by the application
87 
  * The window of type II looks as follows:
 88 
  * The window of type II looks as follows:
88 
    * draw external frame of width 1 pixel with the "shaded" color
 89 
    * draw external frame of width 1 pixel with the "shaded" color
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      edi (all components of the color decrease twice)
 90 
      edi (all components of the color decrease twice)
90 
    * draw intermediate frame of width 3 pixels with color edi
 91 
    * draw intermediate frame of width 3 pixels with color edi
91 
    * draw internal frame of width 1 pixel with the "shaded" color edi
 92 
    * draw internal frame of width 1 pixel with the "shaded" color edi
92 
    * draw header - rectangle with the left upper corner (4,4)
 93 
    * draw header - rectangle with the left upper corner (4,4)
93 
      and right lower (xsize-4,min(20,ysize)) color, indicated in esi
 94 
      and right lower (xsize-4,min(20,ysize)) color, indicated in esi
94 
      (taking a gradient into account)
 95 
      (taking a gradient into account)
95 
    * if ysize>=26, fill the working area of the window -
 96 
    * if ysize>=26, fill the working area of the window -
96 
      rectangle with the left upper corner (5,20) and right lower
 97 
      rectangle with the left upper corner (5,20) and right lower
97 
      (xsize-5,ysize-5) with color indicated in edx
 98 
      (xsize-5,ysize-5) with color indicated in edx
98 
      (taking a gradient into account)
 99 
      (taking a gradient into account)
99 
    * if A=1 and caption has been already set by subfunction 1
 100 
    * if A=1 and caption has been already set by subfunction 1
100 
      of function 71, it is drawn in the corresponding place of header
 101 
      of function 71, it is drawn in the corresponding place of header
101 
  * The skinned window looks as follows:
 102 
  * The skinned window looks as follows:
102 
    * draw external frame of width 1 pixel
 103 
    * draw external frame of width 1 pixel
103 
      with color 'outer' from the skin
 104 
      with color 'outer' from the skin
104 
    * draw intermediate frame of width 3 pixel
 105 
    * draw intermediate frame of width 3 pixel
105 
      with color 'frame' from the skin
 106 
      with color 'frame' from the skin
106 
    * draw internal frame of width 1 pixel
 107 
    * draw internal frame of width 1 pixel
107 
      with color 'inner' from the skin
 108 
      with color 'inner' from the skin
108 
    * draw header (on bitmaps from the skin) in a rectangle
 109 
    * draw header (on bitmaps from the skin) in a rectangle
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      (0,0) - (xsize,_skinh-1)
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      (0,0) - (xsize,_skinh-1)
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    * if ysize>=26, fill the working area of the window -
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    * if ysize>=26, fill the working area of the window -
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      rectangle with the left upper corner (5,_skinh) and right lower
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      rectangle with the left upper corner (5,_skinh) and right lower
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      (xsize-5,ysize-5) with color indicated in edx
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      (xsize-5,ysize-5) with color indicated in edx
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      (taking a gradient into account)
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      (taking a gradient into account)
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    * define two standard buttons: close and minimize
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    * define two standard buttons: close and minimize
115 
      (see function 8)
 116 
      (see function 8)
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    * if A=1 and edi contains (nonzero) pointer to caption string,
 117 
    * if A=1 and edi contains (nonzero) pointer to caption string,
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      it is drawn in place in header defined in the skin
 118 
      it is drawn in place in header defined in the skin
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    * value _skinh is accessible as the result of call
 119 
    * value _skinh is accessible as the result of call
119 
      subfunction 4 of function 48
 120 
      subfunction 4 of function 48
120 
 
 121 
 
121 
======================================================================
 122 
======================================================================
122 
================ Function 1 - put pixel in the window. ===============
 123 
================ Function 1 - put pixel in the window. ===============
123 
======================================================================
 124 
======================================================================
124 
Parameters:
 125 
Parameters:
125 
  * eax = 1 - function number
 126 
  * eax = 1 - function number
126 
  * ebx = x-coordinate (relative to the window)
 127 
  * ebx = x-coordinate (relative to the window)
127 
  * ecx = y-coordinate (relative to the window)
 128 
  * ecx = y-coordinate (relative to the window)
128 
  * edx = 0x00RRGGBB - color of a pixel
 129 
  * edx = 0x00RRGGBB - color of a pixel
129 
    edx = 0x01xxxxxx - invert color of a pixel
 130 
    edx = 0x01xxxxxx - invert color of a pixel
130 
          (low 24 bits are ignored)
 131 
          (low 24 bits are ignored)
131 
Returned value:
 132 
Returned value:
132 
  * function does not return value
 133 
  * function does not return value
133 
 
 134 
 
134 
======================================================================
 135 
======================================================================
135 
============ Function 2 - get the code of the pressed key. ===========
 136 
============ Function 2 - get the code of the pressed key. ===========
136 
======================================================================
 137 
======================================================================
137 
Takes away the code of the pressed key from the buffer.
 138 
Takes away the code of the pressed key from the buffer.
138 
Parameters:
 139 
Parameters:
139 
  * eax = 2 - function number
 140 
  * eax = 2 - function number
140 
Returned value:
 141 
Returned value:
141 
  * if the buffer is empty, function returns eax=1
 142 
  * if the buffer is empty, function returns eax=1
142 
  * if the buffer is not empty, function returns al=0,
 143 
  * if the buffer is not empty, function returns al=0,
143 
    ah=code of the pressed key, high word of eax is zero
 144 
    ah=code of the pressed key, high word of eax is zero
144 
  * if there is "hotkey", function returns al=2,
 145 
  * if there is "hotkey", function returns al=2,
145 
    ah=scancode of the pressed key (0 for control keys),
 146 
    ah=scancode of the pressed key (0 for control keys),
146 
    high word of eax contains a status of control keys at the moment
 147 
    high word of eax contains a status of control keys at the moment
147 
    of pressing a hotkey
 148 
    of pressing a hotkey
148 
Remarks:
 149 
Remarks:
149 
  * There is a common system buffer of the pressed keys
 150 
  * There is a common system buffer of the pressed keys
150 
    by a size of 120 bytes, organized as queue.
 151 
    by a size of 120 bytes, organized as queue.
151 
  * There is one more common system buffer on 120 "hotkeys".
 152 
  * There is one more common system buffer on 120 "hotkeys".
152 
  * If the application with the inactive window calls this function,
 153 
  * If the application with the inactive window calls this function,
153 
    the buffer of the pressed keys is considered to be empty.
 154 
    the buffer of the pressed keys is considered to be empty.
154 
  * By default this function returns ASCII-codes; to switch
 155 
  * By default this function returns ASCII-codes; to switch
155 
    to the scancodes mode (and back) use function 66.
 156 
    to the scancodes mode (and back) use function 66.
156 
    However, hotkeys are always notificated as scancodes.
 157 
    However, hotkeys are always notificated as scancodes.
157 
  * To find out, what keys correspond to what codes, start
 158 
  * To find out, what keys correspond to what codes, start
158 
    the application keyascii and scancode.
 159 
    the application keyascii and scancode.
159 
  * Scancodes come directly from keyboard and are fixed;
 160 
  * Scancodes come directly from keyboard and are fixed;
160 
    ASCII-codes turn out with usage of the conversion tables,
 161 
    ASCII-codes turn out with usage of the conversion tables,
161 
    which can be set by subfunction 2 of function 21
 162 
    which can be set by subfunction 2 of function 21
162 
    and get by subfunction 2 of function 26.
 163 
    and get by subfunction 2 of function 26.
163 
  * As a consequence, ASCII-codes take into account current
 164 
  * As a consequence, ASCII-codes take into account current
164 
    keyboard layout (rus/en) as opposed to scancodes.
 165 
    keyboard layout (rus/en) as opposed to scancodes.
165 
  * This function notifies only about those hotkeys, which were
 166 
  * This function notifies only about those hotkeys, which were
166 
    defined by this thread by subfunction 4 of function 66.
 167 
    defined by this thread by subfunction 4 of function 66.
167 
 
 168 
 
168 
======================================================================
 169 
======================================================================
169 
==================== Function 3 - get system time. ===================
 170 
==================== Function 3 - get system time. ===================
170 
======================================================================
 171 
======================================================================
171 
Parameters:
 172 
Parameters:
172 
  * eax = 3 - function number
 173 
  * eax = 3 - function number
173 
Returned value:
 174 
Returned value:
174 
  * eax = 0x00SSMMHH, where HH:MM:SS = Hours:Minutes:Seconds
 175 
  * eax = 0x00SSMMHH, where HH:MM:SS = Hours:Minutes:Seconds
175 
  * each item is BCD-number, for example,
 176 
  * each item is BCD-number, for example,
176 
    for time 23:59:59 function returns 0x00595923
 177 
    for time 23:59:59 function returns 0x00595923
177 
Remarks:
 178 
Remarks:
178 
  * See also subfunction 9 of function 26 - get time from
 179 
  * See also subfunction 9 of function 26 - get time from
179 
    the moment of start of the system; it is more convenient, because
 180 
    the moment of start of the system; it is more convenient, because
180 
    returns simply DWORD-value of the time counter.
 181 
    returns simply DWORD-value of the time counter.
181 
  * System time can be set by function 22.
 182 
  * System time can be set by function 22.
182 
 
 183 
 
183 
======================================================================
 184 
======================================================================
184 
============ Function 4 - draw text string in the window. ============
 185 
============ Function 4 - draw text string in the window. ============
185 
======================================================================
 186 
======================================================================
186 
Parameters:
 187 
Parameters:
187 
  * eax = 4 - function number
 188 
  * eax = 4 - function number
188 
  * ebx = [coordinate on axis x]*65536 + [coordinate on axis y]
 189 
  * ebx = [coordinate on axis x]*65536 + [coordinate on axis y]
189 
  * ecx = 0xX0RRGGBB, where
 190 
  * ecx = 0xX0RRGGBB, where
190 
    * RR, GG, BB specify text color
 191 
    * RR, GG, BB specify text color
191 
    * X=ABnn (bits):
 192 
    * X=ABnn (bits):
192 
    * nn specifies the used font: 0=system monospaced,
 193 
    * nn specifies the used font: 0=system monospaced,
193 
      1=system font of variable width
 194 
      1=system font of variable width
194 
    * A=0 - output esi characters, A=1 - output ASCIIZ-string
 195 
    * A=0 - output esi characters, A=1 - output ASCIIZ-string
195 
    * B=1 - fill background with the color edi
 196 
    * B=1 - fill background with the color edi
196 
  * edx = pointer to the beginning of the string
 197 
  * edx = pointer to the beginning of the string
197 
  * esi = for A=0 length of the string, must not exceed 255;
 198 
  * esi = for A=0 length of the string, must not exceed 255;
198 
          for A=1 is ignored
 199 
          for A=1 is ignored
199 
Returned value:
 200 
Returned value:
200 
  * function does not return value
 201 
  * function does not return value
201 
Remarks:
 202 
Remarks:
202 
  * First system font is read out at loading from the file char.mt,
 203 
  * First system font is read out at loading from the file char.mt,
203 
    second - from char2.mt.
 204 
    second - from char2.mt.
204 
  * Both fonts have height 9 pixels, width of the monospaced font
 205 
  * Both fonts have height 9 pixels, width of the monospaced font
205 
    is equal to 6 pixels.
 206 
    is equal to 6 pixels.
206 
 
 207 
 
207 
======================================================================
 208 
======================================================================
208 
========================= Function 5 - delay. ========================
 209 
========================= Function 5 - delay. ========================
209 
======================================================================
 210 
======================================================================
210 
Delays execution of the program on the given time.
 211 
Delays execution of the program on the given time.
211 
Parameters:
 212 
Parameters:
212 
  * eax = 5 - function number
 213 
  * eax = 5 - function number
213 
  * ebx = time in the 1/100 of second
 214 
  * ebx = time in the 1/100 of second
214 
Returned value:
 215 
Returned value:
215 
  * function does not return value
 216 
  * function does not return value
216 
Remarks:
 217 
Remarks:
217 
  * Passing ebx=0 does not transfer control to the next process
 218 
  * Passing ebx=0 does not transfer control to the next process
218 
    and does not make any operations at all. If it is really required
 219 
    and does not make any operations at all. If it is really required
219 
    to transfer control to the next process (to complete a current
 220 
    to transfer control to the next process (to complete a current
220 
    time slice), use subfunction 1 of function 68.
 221 
    time slice), use subfunction 1 of function 68.
221 
  * At current implementation there will be an immediate return from
 222 
  * At current implementation there will be an immediate return from
222 
    the function, if the addition of ebx with current value of
 223 
    the function, if the addition of ebx with current value of
223 
    time counter will call 32-bit overflow.
 224 
    time counter will call 32-bit overflow.
224 
 
 225 
 
225 
======================================================================
 226 
======================================================================
226 
============== Function 6 - read the file from ramdisk. ==============
 227 
============== Function 6 - read the file from ramdisk. ==============
227 
======================================================================
 228 
======================================================================
228 
Parameters:
 229 
Parameters:
229 
  * eax = 6 - function number
 230 
  * eax = 6 - function number
230 
  * ebx = pointer to the filename
 231 
  * ebx = pointer to the filename
231 
  * ecx = number of start block, beginning from 1;
 232 
  * ecx = number of start block, beginning from 1;
232 
    ecx=0 - read from the beginning of the file (same as ecx=1)
 233 
    ecx=0 - read from the beginning of the file (same as ecx=1)
233 
  * edx = number of blocks to read;
 234 
  * edx = number of blocks to read;
234 
    edx=0 - read one block (same as edx=1)
 235 
    edx=0 - read one block (same as edx=1)
235 
  * esi = pointer to memory area for the data
 236 
  * esi = pointer to memory area for the data
236 
Returned value:
 237 
Returned value:
237 
  * eax = file size in bytes, if the file was successfully read
 238 
  * eax = file size in bytes, if the file was successfully read
238 
  * eax = -1, if the file was not found
 239 
  * eax = -1, if the file was not found
239 
Remarks:
 240 
Remarks:
240 
  * This function is out-of-date; function 70 allows
 241 
  * This function is out-of-date; function 70 allows
241 
    to fulfil the same operations with the extended possibilities.
 242 
    to fulfil the same operations with the extended possibilities.
242 
  * Block = 512 bytes.
 243 
  * Block = 512 bytes.
243 
  * For reading all file you can specify the certainly large value
 244 
  * For reading all file you can specify the certainly large value
244 
    in edx, for example, edx = -1; but in this case be ready that
 245 
    in edx, for example, edx = -1; but in this case be ready that
245 
    the program will "fall", if the file will appear too large and can
 246 
    the program will "fall", if the file will appear too large and can
246 
    not be placed in the program memory.
 247 
    not be placed in the program memory.
247 
  * The filename must be either in the format 8+3 characters
 248 
  * The filename must be either in the format 8+3 characters
248 
    (first 8 characters - name itself, last 3 - extension,
 249 
    (first 8 characters - name itself, last 3 - extension,
249 
    the short names and extensions are supplemented with spaces),
 250 
    the short names and extensions are supplemented with spaces),
250 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 251 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
251 
    (name no more than 8 characters, dot, extension 3 characters
 252 
    (name no more than 8 characters, dot, extension 3 characters
252 
    supplemented if necessary by spaces).
 253 
    supplemented if necessary by spaces).
253 
    The filename must be written with capital letters. The terminating
 254 
    The filename must be written with capital letters. The terminating
254 
    character with code 0 is not necessary (not ASCIIZ-string).
 255 
    character with code 0 is not necessary (not ASCIIZ-string).
255 
  * This function does not support folders on the ramdisk.
 256 
  * This function does not support folders on the ramdisk.
256 
 
 257 
 
257 
======================================================================
 258 
======================================================================
258 
=============== Function 7 - draw image in the window. ===============
 259 
=============== Function 7 - draw image in the window. ===============
259 
======================================================================
 260 
======================================================================
260 
Paramters:
 261 
Paramters:
261 
  * eax = 7 - function number
 262 
  * eax = 7 - function number
262 
  * ebx = pointer to the image in the format BBGGRRBBGGRR...
 263 
  * ebx = pointer to the image in the format BBGGRRBBGGRR...
263 
  * ecx = [size on axis x]*65536 + [size on axis y]
 264 
  * ecx = [size on axis x]*65536 + [size on axis y]
264 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 265 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
265 
Returned value:
 266 
Returned value:
266 
  * function does not return value
 267 
  * function does not return value
267 
Remarks:
 268 
Remarks:
268 
  * Coordinates of the image are coordinates of the upper left corner
 269 
  * Coordinates of the image are coordinates of the upper left corner
269 
    of the image relative to the window.
 270 
    of the image relative to the window.
270 
  * Size of the image in bytes is 3*xsize*ysize.
 271 
  * Size of the image in bytes is 3*xsize*ysize.
271 
 
 272 
 
272 
======================================================================
 273 
======================================================================
273 
=============== Function 8 - define/delete the button. ===============
 274 
=============== Function 8 - define/delete the button. ===============
274 
======================================================================
 275 
======================================================================
275 
Parameters for button definition:
 276 
Parameters for button definition:
276 
  * eax = 8 - function number
 277 
  * eax = 8 - function number
277 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
 278 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
278 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
 279 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
279 
  * edx = 0xXYnnnnnn, where:
 280 
  * edx = 0xXYnnnnnn, where:
280 
    * nnnnnn = identifier of the button
 281 
    * nnnnnn = identifier of the button
281 
    * high (31st) bit of edx is cleared
 282 
    * high (31st) bit of edx is cleared
282 
    * if 30th bit of edx is set - do not draw the button
 283 
    * if 30th bit of edx is set - do not draw the button
283 
    * if 29th bit of edx is set - do not draw a frame
 284 
    * if 29th bit of edx is set - do not draw a frame
284 
      at pressing the button
 285 
      at pressing the button
285 
  * esi = 0x00RRGGBB - color of the button
 286 
  * esi = 0x00RRGGBB - color of the button
286 
Parameters for button deleting:
 287 
Parameters for button deleting:
287 
  * eax = 8 - function number
 288 
  * eax = 8 - function number
288 
  * edx = 0x80nnnnnn, where nnnnnn - identifier of the button
 289 
  * edx = 0x80nnnnnn, where nnnnnn - identifier of the button
289 
Returned value:
 290 
Returned value:
290 
  * function does not return value
 291 
  * function does not return value
291 
Remarks:
 292 
Remarks:
292 
  * Sizes of the button must be more than 0 and less than 0x8000.
 293 
  * Sizes of the button must be more than 0 and less than 0x8000.
293 
  * For skinned windows definition of the window
 294 
  * For skinned windows definition of the window
294 
    (call of 0th function) creates two standard buttons -
 295 
    (call of 0th function) creates two standard buttons -
295 
    for close of the window with identifier 1 and
 296 
    for close of the window with identifier 1 and
296 
    for minimize of the window with identifier 0xffff.
 297 
    for minimize of the window with identifier 0xffff.
297 
  * The creation of two buttons with same identifiers is admitted.
 298 
  * The creation of two buttons with same identifiers is admitted.
298 
  * The button with the identifier 0xffff at pressing is interpreted
 299 
  * The button with the identifier 0xffff at pressing is interpreted
299 
    by the system as the button of minimization, the system handles
 300 
    by the system as the button of minimization, the system handles
300 
    such pressing independently, not accessing to the application.
 301 
    such pressing independently, not accessing to the application.
301 
    In rest it is usual button.
 302 
    In rest it is usual button.
302 
  * Total number of buttons for all applications is limited to 4095.
 303 
  * Total number of buttons for all applications is limited to 4095.
303 
 
 304 
 
304 
======================================================================
 305 
======================================================================
305 
============ Function 9 - information on execution thread. ===========
 306 
============ Function 9 - information on execution thread. ===========
306 
======================================================================
 307 
======================================================================
307 
Parameters:
 308 
Parameters:
308 
  * eax = 9 - function number
 309 
  * eax = 9 - function number
309 
  * ebx = pointer to 1-Kb buffer
 310 
  * ebx = pointer to 1-Kb buffer
310 
  * ecx = number of the slot of the thread
 311 
  * ecx = number of the slot of the thread
311 
    ecx = -1 - get information on the current thread
 312 
    ecx = -1 - get information on the current thread
312 
Returned value:
 313 
Returned value:
313 
  * eax = maximum number of the slot of a thread
 314 
  * eax = maximum number of the slot of a thread
314 
  * buffer pointed to by ebx contains the following information:
 315 
  * buffer pointed to by ebx contains the following information:
315 
    * +0: dword: usage of the processor (how many time units
 316 
    * +0: dword: usage of the processor (how many time units
316 
      per second leaves on execution of this thread)
 317 
      per second leaves on execution of this thread)
317 
    * +4: word: position of the window of thread in the window stack
 318 
    * +4: word: position of the window of thread in the window stack
318 
    * +6: word: (has no relation to the specified thread)
 319 
    * +6: word: (has no relation to the specified thread)
319 
      number of the thread slot, which window has in the window stack
 320 
      number of the thread slot, which window has in the window stack
320 
      position ecx
 321 
      position ecx
321 
    * +8: word: reserved
 322 
    * +8: word: reserved
322 
    * +10 = +0xA: 11 bytes: name of the process
 323 
    * +10 = +0xA: 11 bytes: name of the process
323 
      (name of corresponding executable file in the format 8+3)
 324 
      (name of corresponding executable file in the format 8+3)
324 
    * +21 = +0x15: byte: reserved, this byte is not changed
 325 
    * +21 = +0x15: byte: reserved, this byte is not changed
325 
    * +22 = +0x16: dword: address of the process in memory
 326 
    * +22 = +0x16: dword: address of the process in memory
326 
    * +26 = +0x1A: dword: size of used memory - 1
 327 
    * +26 = +0x1A: dword: size of used memory - 1
327 
    * +30 = +0x1E: dword: identifier (PID/TID)
 328 
    * +30 = +0x1E: dword: identifier (PID/TID)
328 
    * +34 = +0x22: dword: coordinate of the thread window on axis x
 329 
    * +34 = +0x22: dword: coordinate of the thread window on axis x
329 
    * +38 = +0x26: dword: coordinate of the thread window on axis y
 330 
    * +38 = +0x26: dword: coordinate of the thread window on axis y
330 
    * +42 = +0x2A: dword: size of the thread window on axis x
 331 
    * +42 = +0x2A: dword: size of the thread window on axis x
331 
    * +46 = +0x2E: dword: size of the thread window on axis y
 332 
    * +46 = +0x2E: dword: size of the thread window on axis y
332 
    * +50 = +0x32: word: status of the thread slot:
 333 
    * +50 = +0x32: word: status of the thread slot:
333 
      * 0 = thread is running
 334 
      * 0 = thread is running
334 
      * 1 = thread is suspended
 335 
      * 1 = thread is suspended
335 
      * 2 = thread is suspended while waiting for event
 336 
      * 2 = thread is suspended while waiting for event
336 
      * 3 = thread is terminating as a result of call to function -1
 337 
      * 3 = thread is terminating as a result of call to function -1
337 
        or under duress as a result of call to subfunction 2
 338 
        or under duress as a result of call to subfunction 2
338 
        of function 18 or termination of the system
 339 
        of function 18 or termination of the system
339 
      * 4 = thread is terminating as a result of exception
 340 
      * 4 = thread is terminating as a result of exception
340 
      * 5 = thread waits for event
 341 
      * 5 = thread waits for event
341 
      * 9 = requested slot is free, all other information on the slot
 342 
      * 9 = requested slot is free, all other information on the slot
342 
        is not meaningful
 343 
        is not meaningful
343 
    * +52 = +0x34: word: reserved, this word is not changed
 344 
    * +52 = +0x34: word: reserved, this word is not changed
344 
    * +54 = +0x36: dword: coordinate of the client area on axis x
 345 
    * +54 = +0x36: dword: coordinate of the client area on axis x
345 
    * +58 = +0x3A: dword: coordinate of the client area on axis y
 346 
    * +58 = +0x3A: dword: coordinate of the client area on axis y
346 
    * +62 = +0x3E: dword: width of the client area
 347 
    * +62 = +0x3E: dword: width of the client area
347 
    * +66 = +0x42: dword: height of the client area
 348 
    * +66 = +0x42: dword: height of the client area
348 
    * +70 = +0x46: byte: state of the window - bitfield
 349 
    * +70 = +0x46: byte: state of the window - bitfield
349 
      * bit 0 (mask 1): window is maximized
 350 
      * bit 0 (mask 1): window is maximized
350 
      * bit 1 (mask 2): window is minimized to panel
 351 
      * bit 1 (mask 2): window is minimized to panel
351 
      * bit 2 (mask 4): window is rolled up
 352 
      * bit 2 (mask 4): window is rolled up
352 
Remarks:
 353 
Remarks:
353 
  * Slots are numbered starting from 1.
 354 
  * Slots are numbered starting from 1.
354 
  * Returned value is not a total number of threads, because there
 355 
  * Returned value is not a total number of threads, because there
355 
    can be free slots.
 356 
    can be free slots.
356 
  * When process is starting, system automatically creates
 357 
  * When process is starting, system automatically creates
357 
    execution thread.
 358 
    execution thread.
358 
  * Function gives information on the thread. Each process has
 359 
  * Function gives information on the thread. Each process has
359 
    at least one thread. One process can create many threads,
 360 
    at least one thread. One process can create many threads,
360 
    in this case each thread has its own slot and the fields
 361 
    in this case each thread has its own slot and the fields
361 
    +10, +22, +26 in these slots coincide.
 362 
    +10, +22, +26 in these slots coincide.
362 
    Applications have no common way to define whether two threads
 363 
    Applications have no common way to define whether two threads
363 
    belong to one process.
 364 
    belong to one process.
364 
  * The active window - window on top of the window stack -
 365 
  * The active window - window on top of the window stack -
365 
    receives the messages on a keyboard input. For such window
 366 
    receives the messages on a keyboard input. For such window
366 
    the position in the window stack coincides with returned value.
 367 
    the position in the window stack coincides with returned value.
367 
  * Slot 1 corresponds to special system thread, for which:
 368 
  * Slot 1 corresponds to special system thread, for which:
368 
    * the window is in the bottom of the window stack, the fields
 369 
    * the window is in the bottom of the window stack, the fields
369 
      +4 and +6 contain value 1
 370 
      +4 and +6 contain value 1
370 
    * name of the process - "OS/IDLE" (supplemented by spaces)
 371 
    * name of the process - "OS/IDLE" (supplemented by spaces)
371 
    * address of the process in memory is 0, size of used memory is
 372 
    * address of the process in memory is 0, size of used memory is
372 
      16 Mb (0x1000000)
 373 
      16 Mb (0x1000000)
373 
    * PID=1
 374 
    * PID=1
374 
    * coordinates and sizes of the window and the client area are by
 375 
    * coordinates and sizes of the window and the client area are by
375 
      convention set to 0
 376 
      convention set to 0
376 
    * status of the slot is always 0 (running)
 377 
    * status of the slot is always 0 (running)
377 
    * the execution time adds of time leaving on operations itself
 378 
    * the execution time adds of time leaving on operations itself
378 
      and idle time in waiting for interrupt (which can be got by call
 379 
      and idle time in waiting for interrupt (which can be got by call
379 
      to subfunction 4 of function 18).
 380 
      to subfunction 4 of function 18).
380 
  * Beginning from slot 2, the normal applications are placed.
 381 
  * Beginning from slot 2, the normal applications are placed.
381 
  * The normal applications are placed in memory at the address
 382 
  * The normal applications are placed in memory at the address
382 
    0x60400000 (kernel constant 'std_application_base_address').
 383 
    0x60400000 (kernel constant 'std_application_base_address').
383 
    There is no intersection, as each process has its own page table.
 384 
    There is no intersection, as each process has its own page table.
384 
  * At creation of the thread it is assigned the slot
 385 
  * At creation of the thread it is assigned the slot
385 
    in the system table and identifier (Process/Thread IDentifier =
 386 
    in the system table and identifier (Process/Thread IDentifier =
386 
    PID/TID), which do not vary with time for given thread.
 387 
    PID/TID), which do not vary with time for given thread.
387 
    After completion of the thread its slot can be anew used
 388 
    After completion of the thread its slot can be anew used
388 
    for another thread. The thread identifier can not be assigned
 389 
    for another thread. The thread identifier can not be assigned
389 
    to other thread even after completion of this thread.
 390 
    to other thread even after completion of this thread.
390 
    Identifiers, assigned to new threads, grow monotonously.
 391 
    Identifiers, assigned to new threads, grow monotonously.
391 
  * If the thread has not yet defined the window by call to
 392 
  * If the thread has not yet defined the window by call to
392 
    function 0, the position and the sizes
 393 
    function 0, the position and the sizes
393 
    of its window are considered to be zero.
 394 
    of its window are considered to be zero.
394 
  * Coordinates of the client area are relative to the window.
 395 
  * Coordinates of the client area are relative to the window.
395 
  * At the moment only the part of the buffer by a size
 396 
  * At the moment only the part of the buffer by a size
396 
    71 = 0x37 bytes is used. Nevertheless it is recommended to use
 397 
    71 = 0x37 bytes is used. Nevertheless it is recommended to use
397 
    1-Kb buffer for the future compatibility, in the future
 398 
    1-Kb buffer for the future compatibility, in the future
398 
    some fields can be added.
 399 
    some fields can be added.
399 
 
 400 
 
400 
======================================================================
 401 
======================================================================
401 
==================== Function 10 - wait for event. ===================
 402 
==================== Function 10 - wait for event. ===================
402 
======================================================================
 403 
======================================================================
403 
If the message queue is empty, waits for appearance of the message
 404 
If the message queue is empty, waits for appearance of the message
404 
in queue. In this state thread does not consume CPU time.
 405 
in queue. In this state thread does not consume CPU time.
405 
Then reads out the message from queue.
 406 
Then reads out the message from queue.
406 
 
 407 
 
407 
Parameters:
 408 
Parameters:
408 
  * eax = 10 - function number
 409 
  * eax = 10 - function number
409 
Returned value:
 410 
Returned value:
410 
  * eax = event (see the list of events)
 411 
  * eax = event (see the list of events)
411 
Remarks:
 412 
Remarks:
412 
  * Those events are taken into account only which enter into
 413 
  * Those events are taken into account only which enter into
413 
    a mask set by function 40. By default it is
 414 
    a mask set by function 40. By default it is
414 
    redraw, key and button events.
 415 
    redraw, key and button events.
415 
  * To check, whether there is a message in queue, use function 11.
 416 
  * To check, whether there is a message in queue, use function 11.
416 
    To wait for no more than given time, use function 23.
 417 
    To wait for no more than given time, use function 23.
417 
 
 418 
 
418 
======================================================================
 419 
======================================================================
419 
=============== Function 11 - check for event, no wait. ==============
 420 
=============== Function 11 - check for event, no wait. ==============
420 
======================================================================
 421 
======================================================================
421 
If the message queue contains event, function reads out
 422 
If the message queue contains event, function reads out
422 
and return it. If the queue is empty, function returns 0.
 423 
and return it. If the queue is empty, function returns 0.
423 
Parameters:
 424 
Parameters:
424 
  * eax = 11 - function number
 425 
  * eax = 11 - function number
425 
Returned value:
 426 
Returned value:
426 
  * eax = 0 - message queue is empty
 427 
  * eax = 0 - message queue is empty
427 
  * else eax = event (see the list of events)
 428 
  * else eax = event (see the list of events)
428 
Remarks:
 429 
Remarks:
429 
  * Those events are taken into account only, which enter into
 430 
  * Those events are taken into account only, which enter into
430 
    a mask set by function 40. By default it is
 431 
    a mask set by function 40. By default it is
431 
    redraw, key and button events.
 432 
    redraw, key and button events.
432 
  * To wait for event, use function 10.
 433 
  * To wait for event, use function 10.
433 
    To wait for no more than given time, use function 23.
 434 
    To wait for no more than given time, use function 23.
434 
 
 435 
 
435 
======================================================================
 436 
======================================================================
436 
=============== Function 12 - begin/end window redraw. ===============
 437 
=============== Function 12 - begin/end window redraw. ===============
437 
======================================================================
 438 
======================================================================
438 
 
 439 
 
439 
---------------- Subfunction 1 - begin window redraw. ----------------
 440 
---------------- Subfunction 1 - begin window redraw. ----------------
440 
Parameters:
 441 
Parameters:
441 
  * eax = 12 - function number
 442 
  * eax = 12 - function number
442 
  * ebx = 1 - subfunction number
 443 
  * ebx = 1 - subfunction number
443 
Returned value:
 444 
Returned value:
444 
  * function does not return value
 445 
  * function does not return value
445 
 
 446 
 
446 
----------------- Subfunction 2 - end window redraw. -----------------
 447 
----------------- Subfunction 2 - end window redraw. -----------------
447 
Parameters:
 448 
Parameters:
448 
  * eax = 12 - function number
 449 
  * eax = 12 - function number
449 
  * ebx = 2 - subfunction number
 450 
  * ebx = 2 - subfunction number
450 
Returned value:
 451 
Returned value:
451 
  * function does not return value
 452 
  * function does not return value
452 
Remarks:
 453 
Remarks:
453 
  * Subfunction 1 deletes all buttons defined with
 454 
  * Subfunction 1 deletes all buttons defined with
454 
    function 8, they must be defined again.
 455 
    function 8, they must be defined again.
455 
 
 456 
 
456 
======================================================================
 457 
======================================================================
457 
============ Function 13 - draw a rectangle in the window. ===========
 458 
============ Function 13 - draw a rectangle in the window. ===========
458 
======================================================================
 459 
======================================================================
459 
Parameters:
 460 
Parameters:
460 
  * eax = 13 - function number
 461 
  * eax = 13 - function number
461 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
 462 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
462 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
 463 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
463 
  * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill
 464 
  * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill
464 
Returned value:
 465 
Returned value:
465 
  * function does not return value
 466 
  * function does not return value
466 
Remarks:
 467 
Remarks:
467 
  * Coordinates are understood as coordinates of the left upper corner
 468 
  * Coordinates are understood as coordinates of the left upper corner
468 
    of a rectangle relative to the window.
 469 
    of a rectangle relative to the window.
469 
 
 470 
 
470 
======================================================================
 471 
======================================================================
471 
=================== Function 14 - get screen size. ===================
 472 
=================== Function 14 - get screen size. ===================
472 
======================================================================
 473 
======================================================================
473 
Parameters:
 474 
Parameters:
474 
  * eax = 14 - function number
 475 
  * eax = 14 - function number
475 
Returned value:
 476 
Returned value:
476 
  * eax = [xsize]*65536 + [ysize], where
 477 
  * eax = [xsize]*65536 + [ysize], where
477 
  * xsize = x-coordinate of the right lower corner of the screen =
 478 
  * xsize = x-coordinate of the right lower corner of the screen =
478 
            horizontal size - 1
 479 
            horizontal size - 1
479 
  * ysize = y-coordinate of the right lower corner of the screen =
 480 
  * ysize = y-coordinate of the right lower corner of the screen =
480 
            vertical size - 1
 481 
            vertical size - 1
481 
Remarks:
 482 
Remarks:
482 
  * See also subfunction 5 of function 48 - get sizes of
 483 
  * See also subfunction 5 of function 48 - get sizes of
483 
    working area of the screen.
 484 
    working area of the screen.
484 
 
 485 
 
485 
======================================================================
 486 
======================================================================
486 
== Function 15, subfunction 1 - set a size of the background image. ==
 487 
== Function 15, subfunction 1 - set a size of the background image. ==
487 
======================================================================
 488 
======================================================================
488 
Parameters:
 489 
Parameters:
489 
  * eax = 15 - function number
 490 
  * eax = 15 - function number
490 
  * ebx = 1 - subfunction number
 491 
  * ebx = 1 - subfunction number
491 
  * ecx = width of the image
 492 
  * ecx = width of the image
492 
  * edx = height of the image
 493 
  * edx = height of the image
493 
Returned value:
 494 
Returned value:
494 
  * function does not return value
 495 
  * function does not return value
495 
Remarks:
 496 
Remarks:
496 
  * Before calling subfunctions 2 and 5 you should call this function
 497 
  * Before calling subfunctions 2 and 5 you should call this function
497 
    to set image size!
 498 
    to set image size!
498 
  * For update of the screen (after completion of a series of commands
 499 
  * For update of the screen (after completion of a series of commands
499 
    working with a background) call subfunction 3.
 500 
    working with a background) call subfunction 3.
500 
  * There is a pair function for get size of the background image -
 501 
  * There is a pair function for get size of the background image -
501 
    subfunction 1 of function 39.
 502 
    subfunction 1 of function 39.
502 
 
 503 
 
503 
======================================================================
 504 
======================================================================
504 
=== Function 15, subfunction 2 - put pixel on the background image. ==
 505 
=== Function 15, subfunction 2 - put pixel on the background image. ==
505 
======================================================================
 506 
======================================================================
506 
Parameters:
 507 
Parameters:
507 
  * eax = 15 - function number
 508 
  * eax = 15 - function number
508 
  * ebx = 2 - subfunction number
 509 
  * ebx = 2 - subfunction number
509 
  * ecx = offset
 510 
  * ecx = offset
510 
  * edx = color of a pixel 0xRRGGBB
 511 
  * edx = color of a pixel 0xRRGGBB
511 
Returned value:
 512 
Returned value:
512 
  * function does not return value
 513 
  * function does not return value
513 
Remarks:
 514 
Remarks:
514 
  * Offset for a pixel with coordinates (x,y) is calculated as
 515 
  * Offset for a pixel with coordinates (x,y) is calculated as
515 
    (x+y*xsize)*3.
 516 
    (x+y*xsize)*3.
516 
  * If the given offset exceeds size set by subfunction 1,
 517 
  * If the given offset exceeds size set by subfunction 1,
517 
    the call is ignored.
 518 
    the call is ignored.
518 
  * For update of the screen (after completion of a series of commands
 519 
  * For update of the screen (after completion of a series of commands
519 
    working with a background) call subfunction 3.
 520 
    working with a background) call subfunction 3.
520 
  * There is a pair function for get pixel on the background image -
 521 
  * There is a pair function for get pixel on the background image -
521 
    subfunction 2 of function 39.
 522 
    subfunction 2 of function 39.
522 
 
 523 
 
523 
======================================================================
 524 
======================================================================
524 
=========== Function 15, subfunction 3 - redraw background. ==========
 525 
=========== Function 15, subfunction 3 - redraw background. ==========
525 
======================================================================
 526 
======================================================================
526 
Parameters:
 527 
Parameters:
527 
  * eax = 15 - function number
 528 
  * eax = 15 - function number
528 
  * ebx = 3 - subfunction number
 529 
  * ebx = 3 - subfunction number
529 
Returned value:
 530 
Returned value:
530 
  * function does not return value
 531 
  * function does not return value
531 
 
 532 
 
532 
======================================================================
 533 
======================================================================
533 
== Function 15, subfunction 4 - set drawing mode for the background. =
 534 
== Function 15, subfunction 4 - set drawing mode for the background. =
534 
======================================================================
 535 
======================================================================
535 
Parameters:
 536 
Parameters:
536 
  * eax = 15 - function number
 537 
  * eax = 15 - function number
537 
  * ebx = 4 - subfunction number
 538 
  * ebx = 4 - subfunction number
538 
  * ecx = drawing mode:
 539 
  * ecx = drawing mode:
539 
    * 1 = tile
 540 
    * 1 = tile
540 
    * 2 = stretch
 541 
    * 2 = stretch
541 
Returned value:
 542 
Returned value:
542 
  * function does not return value
 543 
  * function does not return value
543 
Remarks:
 544 
Remarks:
544 
  * For update of the screen (after completion of a series of commands
 545 
  * For update of the screen (after completion of a series of commands
545 
    working with a background) call subfunction 3.
 546 
    working with a background) call subfunction 3.
546 
  * There is a pair function for get drawing mode of the background -
 547 
  * There is a pair function for get drawing mode of the background -
547 
    subfunction 4 of function 39.
 548 
    subfunction 4 of function 39.
548 
 
 549 
 
549 
======================================================================
 550 
======================================================================
550 
===================== Function 15, subfunction 5 =====================
 551 
===================== Function 15, subfunction 5 =====================
551 
============ Put block of pixels on the background image. ============
 552 
============ Put block of pixels on the background image. ============
552 
======================================================================
 553 
======================================================================
553 
Parameters:
 554 
Parameters:
554 
  * eax = 15 - function number
 555 
  * eax = 15 - function number
555 
  * ebx = 5 - subfunction number
 556 
  * ebx = 5 - subfunction number
556 
  * ecx = pointer to the data in the format BBGGRRBBGGRR...
 557 
  * ecx = pointer to the data in the format BBGGRRBBGGRR...
557 
  * edx = offset in data of the background image
 558 
  * edx = offset in data of the background image
558 
  * esi = size of data in bytes = 3 * number of pixels
 559 
  * esi = size of data in bytes = 3 * number of pixels
559 
Returned value:
 560 
Returned value:
560 
  * function does not return value
 561 
  * function does not return value
561 
Remarks:
 562 
Remarks:
562 
  * Offset and size are not checked for correctness.
 563 
  * Offset and size are not checked for correctness.
563 
  * Color of each pixel is stored as 3-bytes value BBGGRR.
 564 
  * Color of each pixel is stored as 3-bytes value BBGGRR.
564 
  * Pixels of the background image are written sequentially
 565 
  * Pixels of the background image are written sequentially
565 
    from left to right, from up to down.
 566 
    from left to right, from up to down.
566 
  * Offset of pixel with coordinates (x,y) is (x+y*xsize)*3.
 567 
  * Offset of pixel with coordinates (x,y) is (x+y*xsize)*3.
567 
  * For update of the screen (after completion of a series of commands
 568 
  * For update of the screen (after completion of a series of commands
568 
    working with a background) call subfunction 3.
 569 
    working with a background) call subfunction 3.
569 
 
 570 
 
570 
======================================================================
 571 
======================================================================
571 
===================== Function 15, subfunction 6 =====================
 572 
===================== Function 15, subfunction 6 =====================
572 
======== Map background data to the address space of process. ========
 573 
======== Map background data to the address space of process. ========
573 
======================================================================
 574 
======================================================================
574 
Parameters:
 575 
Parameters:
575 
  * eax = 15 - function number
 576 
  * eax = 15 - function number
576 
  * ebx = 6 - subfunction number
 577 
  * ebx = 6 - subfunction number
577 
Returned value:
 578 
Returned value:
578 
  * eax = pointer to background data, 0 if error
 579 
  * eax = pointer to background data, 0 if error
579 
Remarks:
 580 
Remarks:
580 
  * Mapped data are available for read and write.
 581 
  * Mapped data are available for read and write.
581 
  * Size of background data is 3*xsize*ysize. The system blocks
 582 
  * Size of background data is 3*xsize*ysize. The system blocks
582 
    changes of background sizes while process works with mapped data.
 583 
    changes of background sizes while process works with mapped data.
583 
  * Color of each pixel is stored as 3-bytes value BBGGRR.
 584 
  * Color of each pixel is stored as 3-bytes value BBGGRR.
584 
  * Pixels of the background image are written sequentially
 585 
  * Pixels of the background image are written sequentially
585 
    from left to right, from up to down.
 586 
    from left to right, from up to down.
586 
 
 587 
 
587 
======================================================================
 588 
======================================================================
588 
===== Function 15, subfunction 7 - close mapped background data. =====
 589 
===== Function 15, subfunction 7 - close mapped background data. =====
589 
======================================================================
 590 
======================================================================
590 
Parameters:
 591 
Parameters:
591 
  * eax = 15 - function number
 592 
  * eax = 15 - function number
592 
  * ebx = 7 - subfunction number
 593 
  * ebx = 7 - subfunction number
593 
  * ecx = pointer to mapped data
 594 
  * ecx = pointer to mapped data
594 
Returned value:
 595 
Returned value:
595 
  * eax = 1 - success, 0 - error
 596 
  * eax = 1 - success, 0 - error
596 
 
 597 
 
597 
======================================================================
 598 
======================================================================
598 
=============== Function 16 - save ramdisk on a floppy. ==============
 599 
=============== Function 16 - save ramdisk on a floppy. ==============
599 
======================================================================
 600 
======================================================================
600 
Parameters:
 601 
Parameters:
601 
  * eax = 16 - function number
 602 
  * eax = 16 - function number
602 
  * ebx = 1 or ebx = 2 - on which floppy save
 603 
  * ebx = 1 or ebx = 2 - on which floppy save
603 
Returned value:
 604 
Returned value:
604 
  * eax = 0 - success
 605 
  * eax = 0 - success
605 
  * eax = 1 - error
 606 
  * eax = 1 - error
606 
 
 607 
 
607 
======================================================================
 608 
======================================================================
608 
======= Function 17 - get the identifier of the pressed button. ======
 609 
======= Function 17 - get the identifier of the pressed button. ======
609 
======================================================================
 610 
======================================================================
610 
Takes away the code of the pressed button from the buffer.
 611 
Takes away the code of the pressed button from the buffer.
611 
Parameters:
 612 
Parameters:
612 
  * eax = 17 - function number
 613 
  * eax = 17 - function number
613 
Returned value:
 614 
Returned value:
614 
  * if the buffer is empty, function returns eax=1
 615 
  * if the buffer is empty, function returns eax=1
615 
  * if the buffer is not empty, function returns al=0,
 616 
  * if the buffer is not empty, function returns al=0,
616 
    high 24 bits of eax contain button identifier (in particular, ah
 617 
    high 24 bits of eax contain button identifier (in particular, ah
617 
    contains low byte of the identifier; if all buttons have
 618 
    contains low byte of the identifier; if all buttons have
618 
    the identifier less than 256, ah is enough to distinguish).
 619 
    the identifier less than 256, ah is enough to distinguish).
619 
Remarks:
 620 
Remarks:
620 
  * "Buffer" keeps only one button, at pressing the new button the
 621 
  * "Buffer" keeps only one button, at pressing the new button the
621 
    information about old is lost.
 622 
    information about old is lost.
622 
  * The call of this function by an application with inactive window
 623 
  * The call of this function by an application with inactive window
623 
    will return answer "buffer is empty".
 624 
    will return answer "buffer is empty".
624 
 
 625 
 
625 
======================================================================
 626 
======================================================================
626 
============ Function 18, subfunction 1 - system shutdown. ===========
 627 
============ Function 18, subfunction 1 - system shutdown. ===========
627 
======================================================================
 628 
======================================================================
628 
Parameters:
 629 
Parameters:
629 
  * eax = 18 - function number
 630 
  * eax = 18 - function number
630 
  * ebx = 1 - subfunction number
 631 
  * ebx = 1 - subfunction number
631 
Returned value:
 632 
Returned value:
632 
  * function always return eax = 0 as tag of success
 633 
  * function always return eax = 0 as tag of success
633 
Remarks:
 634 
Remarks:
634 
  * On the last step menu of exit from the system appears and waits
 635 
  * On the last step menu of exit from the system appears and waits
635 
    response of the user.
 636 
    response of the user.
636 
  * See also subfunction 9, system shutdown with
 637 
  * See also subfunction 9, system shutdown with
637 
    the parameter to force the choice in the exit menu.
 638 
    the parameter to force the choice in the exit menu.
638 
 
 639 
 
639 
======================================================================
 640 
======================================================================
640 
= Function 18, subfunction 2 - terminate process/thread by the slot. =
 641 
= Function 18, subfunction 2 - terminate process/thread by the slot. =
641 
======================================================================
 642 
======================================================================
642 
Parameters:
 643 
Parameters:
643 
  * eax = 18 - function number
 644 
  * eax = 18 - function number
644 
  * ebx = 2 - subfunction number
 645 
  * ebx = 2 - subfunction number
645 
  * ecx = number of the slot of process/thread
 646 
  * ecx = number of the slot of process/thread
646 
Returned value:
 647 
Returned value:
647 
  * function does not return value
 648 
  * function does not return value
648 
Remarks:
 649 
Remarks:
649 
  * It is impossible to terminate system thread OS/IDLE (with
 650 
  * It is impossible to terminate system thread OS/IDLE (with
650 
    number of the slot 1),
 651 
    number of the slot 1),
651 
    it is possible to terminate any normal process/thread.
 652 
    it is possible to terminate any normal process/thread.
652 
  * See also subfunction 18 - terminate
 653 
  * See also subfunction 18 - terminate
653 
    process/thread by the identifier.
 654 
    process/thread by the identifier.
654 
 
 655 
 
655 
======================================================================
 656 
======================================================================
656 
===================== Function 18, subfunction 3 =====================
 657 
===================== Function 18, subfunction 3 =====================
657 
============= Make active the window of the given thread. ============
 658 
============= Make active the window of the given thread. ============
658 
======================================================================
 659 
======================================================================
659 
Parameters:
 660 
Parameters:
660 
  * eax = 18 - function number
 661 
  * eax = 18 - function number
661 
  * ebx = 3 - subfunction number
 662 
  * ebx = 3 - subfunction number
662 
  * ecx = number of the thread slot
 663 
  * ecx = number of the thread slot
663 
Returned value:
 664 
Returned value:
664 
  * function does not return value
 665 
  * function does not return value
665 
Remarks:
 666 
Remarks:
666 
  * If correct, but nonexistent slot is given,
 667 
  * If correct, but nonexistent slot is given,
667 
    some window is made active.
 668 
    some window is made active.
668 
  * To find out, which window is active, use subfunction 7.
 669 
  * To find out, which window is active, use subfunction 7.
669 
 
 670 
 
670 
======================================================================
 671 
======================================================================
671 
===================== Function 18, subfunction 4 =====================
 672 
===================== Function 18, subfunction 4 =====================
672 
=========== Get counter of idle time units per one second. ===========
 673 
=========== Get counter of idle time units per one second. ===========
673 
======================================================================
 674 
======================================================================
674 
Idle time units are units, in which the processor stands idle
 675 
Idle time units are units, in which the processor stands idle
675 
in waiting for interrupt (in the command 'hlt').
 676 
in waiting for interrupt (in the command 'hlt').
676 
 
 677 
 
677 
Parameters:
 678 
Parameters:
678 
  * eax = 18 - function number
 679 
  * eax = 18 - function number
679 
  * ebx = 4 - subfunction number
 680 
  * ebx = 4 - subfunction number
680 
Returned value:
 681 
Returned value:
681 
  * eax = value of the counter of idle time units per one second
 682 
  * eax = value of the counter of idle time units per one second
682 
 
 683 
 
683 
======================================================================
 684 
======================================================================
684 
========== Function 18, subfunction 5 - get CPU clock rate. ==========
 685 
========== Function 18, subfunction 5 - get CPU clock rate. ==========
685 
======================================================================
 686 
======================================================================
686 
Parameters:
 687 
Parameters:
687 
  * eax = 18 - function number
 688 
  * eax = 18 - function number
688 
  * ebx = 5 - subfunction number
 689 
  * ebx = 5 - subfunction number
689 
Returned value:
 690 
Returned value:
690 
  * eax = clock rate (modulo 2^32 clock ticks = 4GHz)
 691 
  * eax = clock rate (modulo 2^32 clock ticks = 4GHz)
691 
 
 692 
 
692 
======================================================================
 693 
======================================================================
693 
 Function 18, subfunction 6 - save ramdisk to the file on hard drive.
694 
 Function 18, subfunction 6 - save ramdisk to the file on hard drive.
694 
======================================================================
 695 
======================================================================
695 
Parameters:
 696 
Parameters:
696 
  * eax = 18 - function number
 697 
  * eax = 18 - function number
697 
  * ebx = 6 - subfunction number
 698 
  * ebx = 6 - subfunction number
698 
  * ecx = pointer to the full path to file
 699 
  * ecx = pointer to the full path to file
699 
    (for example, "/hd0/1/kolibri/kolibri.img")
 700 
    (for example, "/hd0/1/kolibri/kolibri.img")
700 
Returned value:
 701 
Returned value:
701 
  * eax = 0 - success
 702 
  * eax = 0 - success
702 
  * else eax = error code of the file system
 703 
  * else eax = error code of the file system
703 
Remarks:
 704 
Remarks:
704 
  * All folders in the given path must exist, otherwise function
 705 
  * All folders in the given path must exist, otherwise function
705 
    returns value 5, "file not found".
 706 
    returns value 5, "file not found".
706 
 
 707 
 
707 
======================================================================
 708 
======================================================================
708 
=========== Function 18, subfunction 7 - get active window. ==========
 709 
=========== Function 18, subfunction 7 - get active window. ==========
709 
======================================================================
 710 
======================================================================
710 
Parameters:
 711 
Parameters:
711 
  * eax = 18 - function number
 712 
  * eax = 18 - function number
712 
  * ebx = 7 - subfunction number
 713 
  * ebx = 7 - subfunction number
713 
Returned value:
 714 
Returned value:
714 
  * eax = number of the active window
 715 
  * eax = number of the active window
715 
    (number of the slot of the thread with active window)
 716 
    (number of the slot of the thread with active window)
716 
Remarks:
 717 
Remarks:
717 
  * Active window is at the top of the window stack and receives
 718 
  * Active window is at the top of the window stack and receives
718 
    messages on all keyboard input.
 719 
    messages on all keyboard input.
719 
  * To make a window active, use subfunction 3.
 720 
  * To make a window active, use subfunction 3.
720 
 
 721 
 
721 
======================================================================
 722 
======================================================================
722 
== Function 18, subfunction 8 - disable/enable the internal speaker. =
 723 
== Function 18, subfunction 8 - disable/enable the internal speaker. =
723 
======================================================================
 724 
======================================================================
724 
If speaker sound is disabled, all calls to subfunction 55 of
 725 
If speaker sound is disabled, all calls to subfunction 55 of
725 
function 55 are ignored. If speaker sound is enabled,
 726 
function 55 are ignored. If speaker sound is enabled,
726 
they are routed on builtin speaker.
 727 
they are routed on builtin speaker.
727 
 
 728 
 
728 
------------------- Subsubfunction 1 - get status. -------------------
 729 
------------------- Subsubfunction 1 - get status. -------------------
729 
Parameters:
 730 
Parameters:
730 
  * eax = 18 - function number
 731 
  * eax = 18 - function number
731 
  * ebx = 8 - subfunction number
 732 
  * ebx = 8 - subfunction number
732 
  * ecx = 1 - number of the subsubfunction
 733 
  * ecx = 1 - number of the subsubfunction
733 
Returned value:
 734 
Returned value:
734 
  * eax = 0 - speaker sound is enabled; 1 - disabled
 735 
  * eax = 0 - speaker sound is enabled; 1 - disabled
735 
 
 736 
 
736 
----------------- Subsubfunction 2 - toggle status. ------------------
 737 
----------------- Subsubfunction 2 - toggle status. ------------------
737 
Toggles states of disable/enable.
 738 
Toggles states of disable/enable.
738 
Parameters:
 739 
Parameters:
739 
  * eax = 18 - function number
 740 
  * eax = 18 - function number
740 
  * ebx = 8 - subfunction number
 741 
  * ebx = 8 - subfunction number
741 
  * ecx = 2 - number of the subsubfunction
 742 
  * ecx = 2 - number of the subsubfunction
742 
Returned value:
 743 
Returned value:
743 
  * function does not return value
 744 
  * function does not return value
744 
 
 745 
 
745 
======================================================================
 746 
======================================================================
746 
== Function 18, subfunction 9 - system shutdown with the parameter. ==
 747 
== Function 18, subfunction 9 - system shutdown with the parameter. ==
747 
======================================================================
 748 
======================================================================
748 
Parameters:
 749 
Parameters:
749 
  * eax = 18 - function number
 750 
  * eax = 18 - function number
750 
  * ebx = 9 - subfunction number
 751 
  * ebx = 9 - subfunction number
751 
  * ecx = parameter:
 752 
  * ecx = parameter:
752 
    * 1 = on the last step of shutdown save ramdisk on a floppy and
 753 
    * 1 = on the last step of shutdown save ramdisk on a floppy and
753 
      then show the exit menu and request further operations
 754 
      then show the exit menu and request further operations
754 
      from the user
 755 
      from the user
755 
    * 2 = turn off computer
 756 
    * 2 = turn off computer
756 
    * 3 = reboot computer
 757 
    * 3 = reboot computer
757 
    * 4 = restart the kernel from the file 'kernel.mnt' on ramdisk
 758 
    * 4 = restart the kernel from the file 'kernel.mnt' on ramdisk
758 
Returned value:
 759 
Returned value:
759 
  * at incorrect ecx the registers do not change (i.e. eax=18)
 760 
  * at incorrect ecx the registers do not change (i.e. eax=18)
760 
  * by correct call function always returns eax=0
 761 
  * by correct call function always returns eax=0
761 
    as the tag of success
 762 
    as the tag of success
762 
Remarks:
 763 
Remarks:
763 
  * Do not rely on returned value by incorrect call, it can be
 764 
  * Do not rely on returned value by incorrect call, it can be
764 
    changed in future versions of the kernel.
 765 
    changed in future versions of the kernel.
765 
  * It is possible to use subfunction 1, that on the last step
 766 
  * It is possible to use subfunction 1, that on the last step
766 
    the user makes choice himself.
 767 
    the user makes choice himself.
767 
  * It is not recommended to use value ecx=1 (to not irritate the user
 768 
  * It is not recommended to use value ecx=1 (to not irritate the user
768 
    with excessive questions); to save ramdisk on a floppy use
 769 
    with excessive questions); to save ramdisk on a floppy use
769 
    function 16 (which admits specification, on which floppy to
 770 
    function 16 (which admits specification, on which floppy to
770 
    write), and to shutdown with the exit menu use already mentioned
 771 
    write), and to shutdown with the exit menu use already mentioned
771 
    subfunction 1.
 772 
    subfunction 1.
772 
 
 773 
 
773 
======================================================================
 774 
======================================================================
774 
===== Function 18, subfunction 10 - minimize application window. =====
 775 
===== Function 18, subfunction 10 - minimize application window. =====
775 
======================================================================
 776 
======================================================================
776 
Minimizes the own window.
 777 
Minimizes the own window.
777 
Parameters:
 778 
Parameters:
778 
  * eax = 18 - function number
 779 
  * eax = 18 - function number
779 
  * ebx = 10 - subfunction number
 780 
  * ebx = 10 - subfunction number
780 
Returned value:
 781 
Returned value:
781 
  * function does not return value
 782 
  * function does not return value
782 
Remarks:
 783 
Remarks:
783 
  * The minimized window from the point of view of function 9
 784 
  * The minimized window from the point of view of function 9
784 
    keeps position and sizes.
 785 
    keeps position and sizes.
785 
  * Restoring of an application window occurs at its activation by
786 
  * Restoring of an application window occurs at its activation by
786 
    subfunction 3.
 787 
    subfunction 3.
787 
  * Usually there is no necessity to minimize/restire a window
 788 
  * Usually there is no necessity to minimize/restire a window
788 
    obviously: minimization of a window is carried out by the system
 789 
    obviously: minimization of a window is carried out by the system
789 
    at pressing the minimization button (for skinned windows
 790 
    at pressing the minimization button (for skinned windows
790 
    it is defined automatically by function 0,
 791 
    it is defined automatically by function 0,
791 
    for other windows it can be defined manually by function 8),
 792 
    for other windows it can be defined manually by function 8),
792 
    restore of a window is done by the application '@panel'.
 793 
    restore of a window is done by the application '@panel'.
793 
 
 794 
 
794 
======================================================================
 795 
======================================================================
795 
 Function 18, subfunction 11 - get information on the disk subsystem.
796 
 Function 18, subfunction 11 - get information on the disk subsystem.
796 
======================================================================
 797 
======================================================================
797 
Parameters:
 798 
Parameters:
798 
  * eax = 18 - function number
 799 
  * eax = 18 - function number
799 
  * ebx = 11 - subfunction number
 800 
  * ebx = 11 - subfunction number
800 
  * ecx = type of the table:
 801 
  * ecx = type of the table:
801 
    * 1 = short version, 10 bytes
 802 
    * 1 = short version, 10 bytes
802 
    * 2 = full version, 65536 bytes
 803 
    * 2 = full version, 65536 bytes
803 
  * edx = pointer to the buffer (in the application) for the table
 804 
  * edx = pointer to the buffer (in the application) for the table
804 
Returned value:
 805 
Returned value:
805 
  * function does not return value
 806 
  * function does not return value
806 
Format of the table: short version:
 807 
Format of the table: short version:
807 
  * +0: byte: information about FDD's (drives for floppies),
 808 
  * +0: byte: information about FDD's (drives for floppies),
808 
    AAAABBBB, where AAAA gives type of the first drive, BBBB -
 809 
    AAAABBBB, where AAAA gives type of the first drive, BBBB -
809 
    of the second regarding to the following list:
 810 
    of the second regarding to the following list:
810 
    * 0 = there is no drive
 811 
    * 0 = there is no drive
811 
    * 1 = 360Kb, 5.25''
 812 
    * 1 = 360Kb, 5.25''
812 
    * 2 = 1.2Mb, 5.25''
 813 
    * 2 = 1.2Mb, 5.25''
813 
    * 3 = 720Kb, 3.5''
 814 
    * 3 = 720Kb, 3.5''
814 
    * 4 = 1.44Mb, 3.5''
 815 
    * 4 = 1.44Mb, 3.5''
815 
    * 5 = 2.88Mb, 3.5'' (such drives are not used anymore)
 816 
    * 5 = 2.88Mb, 3.5'' (such drives are not used anymore)
816 
    For example, for the standard configuration from one 1.44-drive
 817 
    For example, for the standard configuration from one 1.44-drive
817 
    here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B:
 818 
    here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B:
818 
    the value is 24h.
 819 
    the value is 24h.
819 
  * +1: byte: information about hard disks and CD-drives, AABBCCDD,
 820 
  * +1: byte: information about hard disks and CD-drives, AABBCCDD,
820 
    where AA corresponds to the controller IDE0, ..., DD - IDE3:
 821 
    where AA corresponds to the controller IDE0, ..., DD - IDE3:
821 
    * 0 = device is absent
 822 
    * 0 = device is absent
822 
    * 1 = hard drive
 823 
    * 1 = hard drive
823 
    * 2 = CD-drive
 824 
    * 2 = CD-drive
824 
    For example, in the case HD on IDE0 and CD on IDE2
 825 
    For example, in the case HD on IDE0 and CD on IDE2
825 
    this field contains 48h.
 826 
    this field contains 48h.
826 
  * +2: 4 db: number of the retrieved partitions on hard disks
 827 
  * +2: 4 db: number of the retrieved partitions on hard disks
827 
    at accordingly IDE0,...,IDE3.
 828 
    at accordingly IDE0,...,IDE3.
828 
    If the hard disk on IDEx is absent, appropriate byte is zero,
 829 
    If the hard disk on IDEx is absent, appropriate byte is zero,
829 
    otherwise it shows number of the recognized partitions, which
 830 
    otherwise it shows number of the recognized partitions, which
830 
    can be not presented (if the drive is not formatted or if
 831 
    can be not presented (if the drive is not formatted or if
831 
    the file system is not supported). Current version of the kernel
 832 
    the file system is not supported). Current version of the kernel
832 
    supports only FAT16, FAT32 and NTFS for hard disks.
 833 
    supports only FAT16, FAT32 and NTFS for hard disks.
833 
  * +6: 4 db: reserved
 834 
  * +6: 4 db: reserved
834 
Format of the table: full version:
 835 
Format of the table: full version:
835 
  * +0: 10 db: same as for the short version
 836 
  * +0: 10 db: same as for the short version
836 
  * +10: 100 db: data for the first partition
 837 
  * +10: 100 db: data for the first partition
837 
  * +110: 100 db: data for the second partition
 838 
  * +110: 100 db: data for the second partition
838 
  * ...
 839 
  * ...
839 
  * +10+100*(n-1): 100 db: data for the last partition
 840 
  * +10+100*(n-1): 100 db: data for the last partition
840 
The partitions are located as follows: at first sequentially all
 841 
The partitions are located as follows: at first sequentially all
841 
recoginzed partitions on HD on IDE0 (if present),
 842 
recoginzed partitions on HD on IDE0 (if present),
842 
then on HD on IDE1 (if present) and so on up to IDE3.
 843 
then on HD on IDE1 (if present) and so on up to IDE3.
843 
Format of the information about partition
 844 
Format of the information about partition
844 
(at moment only FAT is supported):
 845 
(at moment only FAT is supported):
845 
  * +0: dword: first physical sector of the partition
 846 
  * +0: dword: first physical sector of the partition
846 
  * +4: dword: last physical sector of the partition
 847 
  * +4: dword: last physical sector of the partition
847 
    (belongs to the partition)
 848 
    (belongs to the partition)
848 
  * +8: byte: file system type:
 849 
  * +8: byte: file system type:
849 
    16=FAT16, 32=FAT32, 1=NTFS
 850 
    16=FAT16, 32=FAT32, 1=NTFS
850 
  * other data are dependent on file system, are modified with
 851 
  * other data are dependent on file system, are modified with
851 
    kernel modifications and therefore are not described
 852 
    kernel modifications and therefore are not described
852 
Remarks:
 853 
Remarks:
853 
  * The short table can be used for obtaining the information about
 854 
  * The short table can be used for obtaining the information about
854 
    available devices.
 855 
    available devices.
855 
 
 856 
 
856 
======================================================================
 857 
======================================================================
857 
========== Function 18, subfunction 13 - get kernel version. =========
 858 
========== Function 18, subfunction 13 - get kernel version. =========
858 
======================================================================
 859 
======================================================================
859 
Parameters:
 860 
Parameters:
860 
  * eax = 18 - function number
 861 
  * eax = 18 - function number
861 
  * ebx = 13 - subfunction number
 862 
  * ebx = 13 - subfunction number
862 
  * ecx = pointer to the buffer (not less than 16 bytes), where
 863 
  * ecx = pointer to the buffer (not less than 16 bytes), where
863 
    the information will be placed
 864 
    the information will be placed
864 
Returned value:
 865 
Returned value:
865 
  * function does not return value
 866 
  * function does not return value
866 
Structure of the buffer:
 867 
Structure of the buffer:
867 
db a,b,c,d for version a.b.c.d
 868 
db a,b,c,d for version a.b.c.d
868 
db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2
 869 
db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2
869 
dd REV - kernel SVN revision number
 870 
dd REV - kernel SVN revision number
870 
For Kolibri 0.7.0.0 kernel:
 871 
For Kolibri 0.7.0.0 kernel:
871 
db 0,7,0,0
 872 
db 0,7,0,0
872 
db 2
 873 
db 2
873 
dd 533
 874 
dd 533
874 
 
 875 
 
875 
======================================================================
 876 
======================================================================
876 
======= Function 18, subfunction 14 - wait for screen retrace. =======
 877 
======= Function 18, subfunction 14 - wait for screen retrace. =======
877 
======================================================================
 878 
======================================================================
878 
Waits for the beginning of retrace of the scanning ray of the screen
 879 
Waits for the beginning of retrace of the scanning ray of the screen
879 
monitor.
 880 
monitor.
880 
Parameters:
 881 
Parameters:
881 
  * eax = 18 - function number
 882 
  * eax = 18 - function number
882 
  * ebx = 14 - subfunction number
 883 
  * ebx = 14 - subfunction number
883 
Returned value:
 884 
Returned value:
884 
  * eax = 0 as the tag of success
 885 
  * eax = 0 as the tag of success
885 
Remarks:
 886 
Remarks:
886 
  * Function is intended only for active high-efficiency graphics
 887 
  * Function is intended only for active high-efficiency graphics
887 
    applications; is used for smooth output of a graphics.
 888 
    applications; is used for smooth output of a graphics.
888 
 
 889 
 
889 
======================================================================
 890 
======================================================================
890 
== Function 18, subfunction 15 - center mouse cursor on the screen. ==
 891 
== Function 18, subfunction 15 - center mouse cursor on the screen. ==
891 
======================================================================
 892 
======================================================================
892 
Parameters:
 893 
Parameters:
893 
  * eax = 18 - function number
 894 
  * eax = 18 - function number
894 
  * ebx = 15 - subfunction number
 895 
  * ebx = 15 - subfunction number
895 
Returned value:
 896 
Returned value:
896 
  * eax = 0 as the tag of success
 897 
  * eax = 0 as the tag of success
897 
 
 898 
 
898 
======================================================================
 899 
======================================================================
899 
========= Function 18, subfunction 16 - get size of free RAM. ========
 900 
========= Function 18, subfunction 16 - get size of free RAM. ========
900 
======================================================================
 901 
======================================================================
901 
Parameters:
 902 
Parameters:
902 
  * eax = 18 - function number
 903 
  * eax = 18 - function number
903 
  * ebx = 16 - subfunction number
 904 
  * ebx = 16 - subfunction number
904 
Returned value:
 905 
Returned value:
905 
  * eax = size of free memory in kilobytes
 906 
  * eax = size of free memory in kilobytes
906 
 
 907 
 
907 
======================================================================
 908 
======================================================================
908 
======== Function 18, subfunction 17 - get full amount of RAM. =======
 909 
======== Function 18, subfunction 17 - get full amount of RAM. =======
909 
======================================================================
 910 
======================================================================
910 
Parameters:
 911 
Parameters:
911 
  * eax = 18 - function number
 912 
  * eax = 18 - function number
912 
  * ebx = 17 - subfunction number
 913 
  * ebx = 17 - subfunction number
913 
Returned value:
 914 
Returned value:
914 
  * eax = total size of existing memory in kilobytes
 915 
  * eax = total size of existing memory in kilobytes
915 
 
 916 
 
916 
======================================================================
 917 
======================================================================
917 
===================== Function 18, subfunction 18 ====================
 918 
===================== Function 18, subfunction 18 ====================
918 
============= Terminate process/thread by the identifier. ============
 919 
============= Terminate process/thread by the identifier. ============
919 
======================================================================
 920 
======================================================================
920 
Parameters:
 921 
Parameters:
921 
  * eax = 18 - function number
 922 
  * eax = 18 - function number
922 
  * ebx = 18 - subfunction number
 923 
  * ebx = 18 - subfunction number
923 
  * ecx = identifer of process/thread (PID/TID)
 924 
  * ecx = identifer of process/thread (PID/TID)
924 
Returned value:
 925 
Returned value:
925 
  * eax = 0 - success
 926 
  * eax = 0 - success
926 
  * eax = -1 - error (process is not found or is system)
 927 
  * eax = -1 - error (process is not found or is system)
927 
Remarks:
 928 
Remarks:
928 
  * It is impossible to terminate system thread OS/IDLE (identifier
 929 
  * It is impossible to terminate system thread OS/IDLE (identifier
929 
    1), it is possible to terminate any normal process/thread.
 930 
    1), it is possible to terminate any normal process/thread.
930 
  * See also subfunction 2 - terminate
 931 
  * See also subfunction 2 - terminate
931 
    process/thread by given slot.
 932 
    process/thread by given slot.
932 
 
 933 
 
933 
======================================================================
 934 
======================================================================
934 
======== Function 18, subfunction 19 - get/set mouse features. =======
 935 
======== Function 18, subfunction 19 - get/set mouse features. =======
935 
======================================================================
 936 
======================================================================
936 
 
 937 
 
937 
---------------- Subsubfunction 0 - get mouse speed. -----------------
 938 
---------------- Subsubfunction 0 - get mouse speed. -----------------
938 
Parameters:
 939 
Parameters:
939 
  * eax = 18 - function number
 940 
  * eax = 18 - function number
940 
  * ebx = 19 - subfunction number
 941 
  * ebx = 19 - subfunction number
941 
  * ecx = 0 - subsubfunction number
 942 
  * ecx = 0 - subsubfunction number
942 
Returned value:
 943 
Returned value:
943 
  * eax = current mouse speed
 944 
  * eax = current mouse speed
944 
 
 945 
 
945 
---------------- Subsubfunction 1 - set mouse speed. -----------------
 946 
---------------- Subsubfunction 1 - set mouse speed. -----------------
946 
Parameters:
 947 
Parameters:
947 
  * eax = 18 - function number
 948 
  * eax = 18 - function number
948 
  * ebx = 19 - subfunction number
 949 
  * ebx = 19 - subfunction number
949 
  * ecx = 1 - subsubfunction number
 950 
  * ecx = 1 - subsubfunction number
950 
  * edx = new value for speed
 951 
  * edx = new value for speed
951 
Returned value:
 952 
Returned value:
952 
  * function does not return value
 953 
  * function does not return value
953 
 
 954 
 
954 
---------------- Subsubfunction 2 - get mouse delay. -----------------
 955 
---------------- Subsubfunction 2 - get mouse delay. -----------------
955 
Parameters:
 956 
Parameters:
956 
  * eax = 18 - function number
 957 
  * eax = 18 - function number
957 
  * ebx = 19 - subfunction number
 958 
  * ebx = 19 - subfunction number
958 
  * ecx = 2 - subsubfunction number
 959 
  * ecx = 2 - subsubfunction number
959 
Returned value:
 960 
Returned value:
960 
  * eax = current mouse delay
 961 
  * eax = current mouse delay
961 
 
 962 
 
962 
---------------- Subsubfunction 3 - set mouse delay. -----------------
 963 
---------------- Subsubfunction 3 - set mouse delay. -----------------
963 
Parameters:
 964 
Parameters:
964 
  * eax = 18 - function number
 965 
  * eax = 18 - function number
965 
  * ebx = 19 - subfunction number
 966 
  * ebx = 19 - subfunction number
966 
  * ecx = 3 - subsubfunction number
 967 
  * ecx = 3 - subsubfunction number
967 
  * edx = new value for mouse delay
 968 
  * edx = new value for mouse delay
968 
Returned value:
 969 
Returned value:
969 
  * function does not return value
 970 
  * function does not return value
970 
 
 971 
 
971 
----------- Subsubfunction 4 - set mouse pointer position. -----------
 972 
----------- Subsubfunction 4 - set mouse pointer position. -----------
972 
Parameters:
 973 
Parameters:
973 
  * eax = 18 - function number
 974 
  * eax = 18 - function number
974 
  * ebx = 19 - subfunction number
 975 
  * ebx = 19 - subfunction number
975 
  * ecx = 4 - subsubfunction number
 976 
  * ecx = 4 - subsubfunction number
976 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 977 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
977 
Returned value:
 978 
Returned value:
978 
  * function does not return value
 979 
  * function does not return value
979 
Remarks:
 980 
Remarks:
980 
  * It is recommended to set speed of the mouse (in subsubfunction 1)
 981 
  * It is recommended to set speed of the mouse (in subsubfunction 1)
981 
    from 1 up to 9. The installed value is not inspected by the kernel
 982 
    from 1 up to 9. The installed value is not inspected by the kernel
982 
    code, so set it carefully, at incorrect value the cursor
 983 
    code, so set it carefully, at incorrect value the cursor
983 
    can "freeze". Speed of the mouse can be regulated through the
 984 
    can "freeze". Speed of the mouse can be regulated through the
984 
    application SETUP.
 985 
    application SETUP.
985 
  * Recommended delay of the mouse (in subsubfunction 3) = 10. Lower
 986 
  * Recommended delay of the mouse (in subsubfunction 3) = 10. Lower
986 
    value is not handled by COM mice. At the very large values the
 987 
    value is not handled by COM mice. At the very large values the
987 
    movement of the mouse on 1 pixel is impossible and the cursor will
 988 
    movement of the mouse on 1 pixel is impossible and the cursor will
988 
    jump on the value of installed speed (subsubfunction 1). The
 989 
    jump on the value of installed speed (subsubfunction 1). The
989 
    installed value is not inspected by the kernel code.
 990 
    installed value is not inspected by the kernel code.
990 
    Mouse delay can be regulated through the application SETUP.
 991 
    Mouse delay can be regulated through the application SETUP.
991 
  * The subsubfunction 4 does not check the passed value. Before
 992 
  * The subsubfunction 4 does not check the passed value. Before
992 
    its call find out current screen resolution (with function 14)
 993 
    its call find out current screen resolution (with function 14)
993 
    and check that the value of position is inside the limits of the
 994 
    and check that the value of position is inside the limits of the
994 
    screen.
 995 
    screen.
995 
 
 996 
 
996 
======================================================================
 997 
======================================================================
997 
======== Function 18, subfunction 20 - get information on RAM. =======
 998 
======== Function 18, subfunction 20 - get information on RAM. =======
998 
======================================================================
 999 
======================================================================
999 
Parameters:
 1000 
Parameters:
1000 
  * eax = 18 - function number
 1001 
  * eax = 18 - function number
1001 
  * ebx = 20 - subfunction number
 1002 
  * ebx = 20 - subfunction number
1002 
  * ecx = pointer to the buffer for information (36 bytes)
 1003 
  * ecx = pointer to the buffer for information (36 bytes)
1003 
Returned value:
 1004 
Returned value:
1004 
  * eax = total size of existing RAM in pages
 1005 
  * eax = total size of existing RAM in pages
1005 
    or -1 if error has occured
 1006 
    or -1 if error has occured
1006 
  * buffer pointed to by ecx contains the following information:
 1007 
  * buffer pointed to by ecx contains the following information:
1007 
    * +0:  dword: total size of existing RAM in pages
 1008 
    * +0:  dword: total size of existing RAM in pages
1008 
    * +4:  dword: size of free RAM in pages
 1009 
    * +4:  dword: size of free RAM in pages
1009 
    * +8:  dword: number of page faults (exceptions #PF)
 1010 
    * +8:  dword: number of page faults (exceptions #PF)
1010 
                 in applications
 1011 
                 in applications
1011 
    * +12: dword: size of kernel heap in bytes
 1012 
    * +12: dword: size of kernel heap in bytes
1012 
    * +16: dword: free in kernel heap in bytes
 1013 
    * +16: dword: free in kernel heap in bytes
1013 
    * +20: dword: total number of memory blocks in kernel heap
 1014 
    * +20: dword: total number of memory blocks in kernel heap
1014 
    * +24: dword: number of free memory blocks in kernel heap
 1015 
    * +24: dword: number of free memory blocks in kernel heap
1015 
    * +28: dword: size of maximum free block in kernel heap
 1016 
    * +28: dword: size of maximum free block in kernel heap
1016 
                 (reserved)
 1017 
                 (reserved)
1017 
    * +32: dword: size of maximum allocated block in kernel heap
 1018 
    * +32: dword: size of maximum allocated block in kernel heap
1018 
                 (reserved)
 1019 
                 (reserved)
1019 
 
 1020 
 
1020 
======================================================================
 1021 
======================================================================
1021 
==================== Function 20 - MIDI interface. ===================
 1022 
==================== Function 20 - MIDI interface. ===================
1022 
======================================================================
 1023 
======================================================================
1023 
 
 1024 
 
1024 
----------------------- Subfunction 1 - reset ------------------------
 1025 
----------------------- Subfunction 1 - reset ------------------------
1025 
Parameters:
 1026 
Parameters:
1026 
  * eax = 20 - function number
 1027 
  * eax = 20 - function number
1027 
  * ebx = 1 - subfunction number
 1028 
  * ebx = 1 - subfunction number
1028 
 
 1029 
 
1029 
-------------------- Subfunction 2 - output byte ---------------------
 1030 
-------------------- Subfunction 2 - output byte ---------------------
1030 
Parameters:
 1031 
Parameters:
1031 
  * eax = 20 - function number
 1032 
  * eax = 20 - function number
1032 
  * ebx = 2 - subfunction number
 1033 
  * ebx = 2 - subfunction number
1033 
  * cl = byte for output
 1034 
  * cl = byte for output
1034 
Returned value (is the same for both subfunctions):
 1035 
Returned value (is the same for both subfunctions):
1035 
  * eax = 0 - success
 1036 
  * eax = 0 - success
1036 
  * eax = 1 - base port is not defined
 1037 
  * eax = 1 - base port is not defined
1037 
Remarks:
 1038 
Remarks:
1038 
  * Previously the base port must be defined by
1039 
  * Previously the base port must be defined by
1039 
    subfunction 1 of function 21.
 1040 
    subfunction 1 of function 21.
1040 
 
 1041 
 
1041 
======================================================================
 1042 
======================================================================
1042 
======== Function 21, subfunction 1 - set MPU MIDI base port. ========
 1043 
======== Function 21, subfunction 1 - set MPU MIDI base port. ========
1043 
======================================================================
 1044 
======================================================================
1044 
Parameters:
 1045 
Parameters:
1045 
  * eax = 21 - function number
 1046 
  * eax = 21 - function number
1046 
  * ebx = 1 - subfunction number
 1047 
  * ebx = 1 - subfunction number
1047 
  * ecx = number of base port
 1048 
  * ecx = number of base port
1048 
Returned value
 1049 
Returned value
1049 
  * eax = 0 - success
 1050 
  * eax = 0 - success
1050 
  * eax = -1 - erratic number of a port
 1051 
  * eax = -1 - erratic number of a port
1051 
Remarks:
 1052 
Remarks:
1052 
  * Number of a port must satisfy to conditions 0x100<=ecx<=0xFFFF.
 1053 
  * Number of a port must satisfy to conditions 0x100<=ecx<=0xFFFF.
1053 
  * The installation of base is necessary for function 20.
 1054 
  * The installation of base is necessary for function 20.
1054 
  * To get base port use subfunction 1 of function 26.
 1055 
  * To get base port use subfunction 1 of function 26.
1055 
 
 1056 
 
1056 
======================================================================
 1057 
======================================================================
1057 
========== Function 21, subfunction 2 - set keyboard layout. =========
 1058 
========== Function 21, subfunction 2 - set keyboard layout. =========
1058 
======================================================================
 1059 
======================================================================
1059 
Keyboard layout is used to convert keyboard scancodes to ASCII-codes,
 1060 
Keyboard layout is used to convert keyboard scancodes to ASCII-codes,
1060 
which will be read by function 2.
 1061 
which will be read by function 2.
1061 
Parameters:
 1062 
Parameters:
1062 
  * eax = 21 - function number
 1063 
  * eax = 21 - function number
1063 
  * ebx = 2 - subfunction number
 1064 
  * ebx = 2 - subfunction number
1064 
  * ecx = which layout to set:
 1065 
  * ecx = which layout to set:
1065 
    * 1 = normal layout
 1066 
    * 1 = normal layout
1066 
    * 2 = layout at pressed Shift
 1067 
    * 2 = layout at pressed Shift
1067 
    * 3 = layout at pressed Alt
 1068 
    * 3 = layout at pressed Alt
1068 
  * edx = pointer to layout - table of length 128 bytes
 1069 
  * edx = pointer to layout - table of length 128 bytes
1069 
Or:
 1070 
Or:
1070 
  * ecx = 9
 1071 
  * ecx = 9
1071 
  * dx = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
 1072 
  * dx = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
1072 
Returned value:
 1073 
Returned value:
1073 
  * eax = 0 - success
 1074 
  * eax = 0 - success
1074 
  * eax = 1 - incorrect parameter
 1075 
  * eax = 1 - incorrect parameter
1075 
Remarks:
 1076 
Remarks:
1076 
  * If Alt is pressed, the layout with Alt is used;
 1077 
  * If Alt is pressed, the layout with Alt is used;
1077 
    if Alt is not pressed, but Shift is pressed,
 1078 
    if Alt is not pressed, but Shift is pressed,
1078 
    the layout with Shift is used;
 1079 
    the layout with Shift is used;
1079 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
 1080 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
1080 
    layout is used and then from the code is subtracted 0x60;
 1081 
    layout is used and then from the code is subtracted 0x60;
1081 
    if no control key is pressed, the normal layout is used.
 1082 
    if no control key is pressed, the normal layout is used.
1082 
  * To get layout and country identifier use
1083 
  * To get layout and country identifier use
1083 
    subfunction 2 of function 26.
 1084 
    subfunction 2 of function 26.
1084 
  * Country identifier is global system variable, which is not used
 1085 
  * Country identifier is global system variable, which is not used
1085 
    by the kernel itself; however the application '@panel' displays
 1086 
    by the kernel itself; however the application '@panel' displays
1086 
    the corresponding icon.
 1087 
    the corresponding icon.
1087 
  * The application @panel switches layouts on user request.
 1088 
  * The application @panel switches layouts on user request.
1088 
 
 1089 
 
1089 
======================================================================
 1090 
======================================================================
1090 
============== Function 21, subfunction 3 - set CD base. =============
 1091 
============== Function 21, subfunction 3 - set CD base. =============
1091 
======================================================================
 1092 
======================================================================
1092 
Parameters:
 1093 
Parameters:
1093 
  * eax = 21 - function number
 1094 
  * eax = 21 - function number
1094 
  * ebx = 3 - subfunction number
 1095 
  * ebx = 3 - subfunction number
1095 
  * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1096 
  * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1096 
Returned value:
 1097 
Returned value:
1097 
  * eax = 0
 1098 
  * eax = 0
1098 
Remarks:
 1099 
Remarks:
1099 
  * CD base is used by function 24.
 1100 
  * CD base is used by function 24.
1100 
  * To get CD base use subfunction 3 of function 26.
 1101 
  * To get CD base use subfunction 3 of function 26.
1101 
 
 1102 
 
1102 
======================================================================
 1103 
======================================================================
1103 
====== Function 21, subfunction 4 - set Sound Blaster base port. =====
 1104 
====== Function 21, subfunction 4 - set Sound Blaster base port. =====
1104 
======================================================================
 1105 
======================================================================
1105 
Parameters:
 1106 
Parameters:
1106 
  * eax = 21 - function number
 1107 
  * eax = 21 - function number
1107 
  * ebx = 4 - subfunction number
 1108 
  * ebx = 4 - subfunction number
1108 
  * ecx = number of the base port
 1109 
  * ecx = number of the base port
1109 
Returned value:
 1110 
Returned value:
1110 
  * eax = 0 - success
 1111 
  * eax = 0 - success
1111 
  * eax = -1 - erratic port number
 1112 
  * eax = -1 - erratic port number
1112 
Remarks:
 1113 
Remarks:
1113 
  * Number of the port must satisfy to conditions 0x100<=ecx<=0xFFFF.
 1114 
  * Number of the port must satisfy to conditions 0x100<=ecx<=0xFFFF.
1114 
  * The installation of the base is necessary for
 1115 
  * The installation of the base is necessary for
1115 
    functions 25, 28, 55.
 1116 
    functions 25, 28, 55.
1116 
  * To get base port use subfunction 4 of function 26.
 1117 
  * To get base port use subfunction 4 of function 26.
1117 
 
 1118 
 
1118 
======================================================================
 1119 
======================================================================
1119 
========== Function 21, subfunction 5 - set system language. =========
 1120 
========== Function 21, subfunction 5 - set system language. =========
1120 
======================================================================
 1121 
======================================================================
1121 
Parameters:
 1122 
Parameters:
1122 
  * eax = 21 - function number
 1123 
  * eax = 21 - function number
1123 
  * ebx = 5 - subfunction number
 1124 
  * ebx = 5 - subfunction number
1124 
  * ecx = system language (1=eng, 2=fi, 3=ger, 4=rus)
 1125 
  * ecx = system language (1=eng, 2=fi, 3=ger, 4=rus)
1125 
Returned value:
 1126 
Returned value:
1126 
  * eax = 0
 1127 
  * eax = 0
1127 
Remarks:
 1128 
Remarks:
1128 
  * System language is global system variable and is not used
 1129 
  * System language is global system variable and is not used
1129 
    by the kernel itself, however application @panel draws the
 1130 
    by the kernel itself, however application @panel draws the
1130 
    appropriate icon.
 1131 
    appropriate icon.
1131 
  * Function does not check for correctness, as the kernel does not
 1132 
  * Function does not check for correctness, as the kernel does not
1132 
    use this variable.
 1133 
    use this variable.
1133 
  * To get system language use subfunction 5 of function 26.
 1134 
  * To get system language use subfunction 5 of function 26.
1134 
 
 1135 
 
1135 
======================================================================
 1136 
======================================================================
1136 
============== Function 21, subfunction 7 - set HD base. =============
 1137 
============== Function 21, subfunction 7 - set HD base. =============
1137 
======================================================================
 1138 
======================================================================
1138 
The HD base defines hard disk to write with usage of obsolete
 1139 
The HD base defines hard disk to write with usage of obsolete
1139 
syntax /HD in obsolete function 58; at usage of modern syntax
 1140 
syntax /HD in obsolete function 58; at usage of modern syntax
1140 
/HD0,/HD1,/HD2,/HD3 base is set automatically.
 1141 
/HD0,/HD1,/HD2,/HD3 base is set automatically.
1141 
Parameters:
 1142 
Parameters:
1142 
  * eax = 21 - function number
 1143 
  * eax = 21 - function number
1143 
  * ebx = 7 - subfunction number
 1144 
  * ebx = 7 - subfunction number
1144 
  * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1145 
  * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1145 
Returned value:
 1146 
Returned value:
1146 
  * eax = 0
 1147 
  * eax = 0
1147 
Remarks:
 1148 
Remarks:
1148 
  * Any application at any time can change the base.
 1149 
  * Any application at any time can change the base.
1149 
  * Do not change base, when any application works with hard disk.
 1150 
  * Do not change base, when any application works with hard disk.
1150 
    If you do not want system bugs.
 1151 
    If you do not want system bugs.
1151 
  * To get HD base use subfunction 7 of function 26.
 1152 
  * To get HD base use subfunction 7 of function 26.
1152 
  * It is also necessary to define used partition of hard disk by
1153 
  * It is also necessary to define used partition of hard disk by
1153 
    subfunction 8.
 1154 
    subfunction 8.
1154 
 
 1155 
 
1155 
======================================================================
 1156 
======================================================================
1156 
========= Function 21, subfunction 8 - set used HD partition. ========
 1157 
========= Function 21, subfunction 8 - set used HD partition. ========
1157 
======================================================================
 1158 
======================================================================
1158 
The HD partition defines partition of the hard disk to write with
 1159 
The HD partition defines partition of the hard disk to write with
1159 
usage of obsolete syntax /HD and obsolete function 58;
 1160 
usage of obsolete syntax /HD and obsolete function 58;
1160 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1161 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1161 
base and partition are set automatically.
 1162 
base and partition are set automatically.
1162 
Parameters:
 1163 
Parameters:
1163 
  * eax = 21 - function number
 1164 
  * eax = 21 - function number
1164 
  * ebx = 8 - subfunction number
 1165 
  * ebx = 8 - subfunction number
1165 
  * ecx = HD partition (beginning from 1)
 1166 
  * ecx = HD partition (beginning from 1)
1166 
Return value:
 1167 
Return value:
1167 
  * eax = 0
 1168 
  * eax = 0
1168 
Remarks:
 1169 
Remarks:
1169 
  * Any application at any time can change partition.
 1170 
  * Any application at any time can change partition.
1170 
  * Do not change partition when any application works with hard disk.
 1171 
  * Do not change partition when any application works with hard disk.
1171 
    If you do not want system bugs.
 1172 
    If you do not want system bugs.
1172 
  * To get used partition use subfunction 8 of function 26.
 1173 
  * To get used partition use subfunction 8 of function 26.
1173 
  * There is no correctness checks.
 1174 
  * There is no correctness checks.
1174 
  * To get the number of partitions of a hard disk use
1175 
  * To get the number of partitions of a hard disk use
1175 
    subfunction 11 of function 18.
 1176 
    subfunction 11 of function 18.
1176 
  * It is also necessary to define used HD base by subfunction 7.
 1177 
  * It is also necessary to define used HD base by subfunction 7.
1177 
 
 1178 
 
1178 
======================================================================
 1179 
======================================================================
1179 
======== Function 21, subfunction 10 - set sound DMA channel. ========
 1180 
======== Function 21, subfunction 10 - set sound DMA channel. ========
1180 
======================================================================
 1181 
======================================================================
1181 
Parameters:
 1182 
Parameters:
1182 
  * eax = 21 - function number
 1183 
  * eax = 21 - function number
1183 
  * ebx = 10 - subfunction number
 1184 
  * ebx = 10 - subfunction number
1184 
  * ecx = number of channel (from 0 up to 3 inclusively)
 1185 
  * ecx = number of channel (from 0 up to 3 inclusively)
1185 
Returned value:
 1186 
Returned value:
1186 
  * eax = 0 - success
 1187 
  * eax = 0 - success
1187 
  * eax = -1 - incorrect channel number
 1188 
  * eax = -1 - incorrect channel number
1188 
Remarks:
 1189 
Remarks:
1189 
  * Number of DMA channel is used in subfunction 1 of function 55.
 1190 
  * Number of DMA channel is used in subfunction 1 of function 55.
1190 
  * To get sound DMA channel use subfunction 10 of function 26.
 1191 
  * To get sound DMA channel use subfunction 10 of function 26.
1191 
 
 1192 
 
1192 
======================================================================
 1193 
======================================================================
1193 
 Function 21, subfunction 11 - enable/disable low-level access to HD.
1194 
 Function 21, subfunction 11 - enable/disable low-level access to HD.
1194 
======================================================================
 1195 
======================================================================
1195 
Parameters:
 1196 
Parameters:
1196 
  * eax = 21 - function number
 1197 
  * eax = 21 - function number
1197 
  * ebx = 11 - subfunction number
 1198 
  * ebx = 11 - subfunction number
1198 
  * ecx = 0/1 - disable/enable
 1199 
  * ecx = 0/1 - disable/enable
1199 
Returned value:
 1200 
Returned value:
1200 
  * eax = 0
 1201 
  * eax = 0
1201 
Remarks:
 1202 
Remarks:
1202 
  * Is used in LBA-read (subfunction 8 of function 58).
 1203 
  * Is used in LBA-read (subfunction 8 of function 58).
1203 
  * The current implementation uses only low bit of ecx.
 1204 
  * The current implementation uses only low bit of ecx.
1204 
  * To get current status use subfunction 11 of function 26.
 1205 
  * To get current status use subfunction 11 of function 26.
1205 
 
 1206 
 
1206 
======================================================================
 1207 
======================================================================
1207 
 Function 21, subfunction 12 - enable/disable low-level access to PCI.
1208 
 Function 21, subfunction 12 - enable/disable low-level access to PCI.
1208 
======================================================================
 1209 
======================================================================
1209 
Parameters:
 1210 
Parameters:
1210 
  * eax = 21 - function number
 1211 
  * eax = 21 - function number
1211 
  * ebx = 12 - subfunction number
 1212 
  * ebx = 12 - subfunction number
1212 
  * ecx = 0/1 - disable/enable
 1213 
  * ecx = 0/1 - disable/enable
1213 
Returned value:
 1214 
Returned value:
1214 
  * eax = 0
 1215 
  * eax = 0
1215 
Remarks:
 1216 
Remarks:
1216 
  * Is used in operations with PCI bus (function 62).
 1217 
  * Is used in operations with PCI bus (function 62).
1217 
  * The current implementation uses only low bit of ecx.
 1218 
  * The current implementation uses only low bit of ecx.
1218 
  * To get current status use subfunction 12 of function 26.
 1219 
  * To get current status use subfunction 12 of function 26.
1219 
 
 1220 
 
1220 
======================================================================
 1221 
======================================================================
1221 
============ Function 21, subfunction 13, subsubfunction 1 ===========
 1222 
============ Function 21, subfunction 13, subsubfunction 1 ===========
1222 
======== Initialize + get information on the driver vmode.mdr. =======
 1223 
======== Initialize + get information on the driver vmode.mdr. =======
1223 
======================================================================
 1224 
======================================================================
1224 
Parameters:
 1225 
Parameters:
1225 
  * eax = 21 - function number
 1226 
  * eax = 21 - function number
1226 
  * ebx = 13 - subfunction number
 1227 
  * ebx = 13 - subfunction number
1227 
  * ecx = 1 - number of the driver function
 1228 
  * ecx = 1 - number of the driver function
1228 
  * edx = pointer to 512-bytes buffer
 1229 
  * edx = pointer to 512-bytes buffer
1229 
Returned value:
 1230 
Returned value:
1230 
  * if driver is not loaded
 1231 
  * if driver is not loaded
1231 
    (never happens in the current implementation):
 1232 
    (never happens in the current implementation):
1232 
    * eax = -1
 1233 
    * eax = -1
1233 
    * ebx, ecx destroyed
 1234 
    * ebx, ecx destroyed
1234 
  * if driver is loaded:
 1235 
  * if driver is loaded:
1235 
    * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high)
 1236 
    * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high)
1236 
      - signature
 1237 
      - signature
1237 
    * ebx = current frequency of the scanning (in Hz)
 1238 
    * ebx = current frequency of the scanning (in Hz)
1238 
    * ecx destroyed
 1239 
    * ecx destroyed
1239 
    * buffer pointed to by edx is filled
 1240 
    * buffer pointed to by edx is filled
1240 
Format of the buffer:
 1241 
Format of the buffer:
1241 
  * +0: 32*byte: driver name, "Trans VideoDriver"
 1242 
  * +0: 32*byte: driver name, "Trans VideoDriver"
1242 
    (without quotes, supplemented by spaces)
 1243 
    (without quotes, supplemented by spaces)
1243 
  * +32 = +0x20: dword: driver version (version x.y is encoded as
 1244 
  * +32 = +0x20: dword: driver version (version x.y is encoded as
1244 
    y*65536+x), for the current implementation is 1 (1.0)
 1245 
    y*65536+x), for the current implementation is 1 (1.0)
1245 
  * +36 = +0x24: 7*dword: reserved (0 in the current implementation)
 1246 
  * +36 = +0x24: 7*dword: reserved (0 in the current implementation)
1246 
  * +64 = +0x40: 32*word: list of supported videomodes (each word
 1247 
  * +64 = +0x40: 32*word: list of supported videomodes (each word
1247 
    is number of a videomode, after list itself there are zeroes)
 1248 
    is number of a videomode, after list itself there are zeroes)
1248 
  * +128 = +0x80: 32*(5*word): list of supported frequences of the
 1249 
  * +128 = +0x80: 32*(5*word): list of supported frequences of the
1249 
    scannings for videomodes: for each videomode listed in the
 1250 
    scannings for videomodes: for each videomode listed in the
1250 
    previous field up to 5 supported frequences are given
 1251 
    previous field up to 5 supported frequences are given
1251 
    (unused positions contain zeroes)
 1252 
    (unused positions contain zeroes)
1252 
Remarks:
 1253 
Remarks:
1253 
  * Function initializes the driver (if it is not initialized yet)
 1254 
  * Function initializes the driver (if it is not initialized yet)
1254 
    and must be called first, before others (otherwise they will do
 1255 
    and must be called first, before others (otherwise they will do
1255 
    nothing and return -1).
 1256 
    nothing and return -1).
1256 
  * The current implementation supports only one frequency
 1257 
  * The current implementation supports only one frequency
1257 
    of the scanning on videomode.
 1258 
    of the scanning on videomode.
1258 
 
 1259 
 
1259 
======================================================================
 1260 
======================================================================
1260 
============ Function 21, subfunction 13, subsubfunction 2 ===========
 1261 
============ Function 21, subfunction 13, subsubfunction 2 ===========
1261 
================ Get information on current videomode. ===============
 1262 
================ Get information on current videomode. ===============
1262 
======================================================================
 1263 
======================================================================
1263 
Parameters:
 1264 
Parameters:
1264 
  * eax = 21 - function number
 1265 
  * eax = 21 - function number
1265 
  * ebx = 13 - subfunction number
 1266 
  * ebx = 13 - subfunction number
1266 
  * ecx = 2 - number of the driver function
 1267 
  * ecx = 2 - number of the driver function
1267 
Returned value:
 1268 
Returned value:
1268 
  * eax = -1 - driver is not loaded or not initialized;
 1269 
  * eax = -1 - driver is not loaded or not initialized;
1269 
    ebx,ecx are destroyed
 1270 
    ebx,ecx are destroyed
1270 
  * eax = [width]*65536 + [height]
 1271 
  * eax = [width]*65536 + [height]
1271 
  * ebx = frequency of the vertical scanning (in Hz)
 1272 
  * ebx = frequency of the vertical scanning (in Hz)
1272 
  * ecx = number of current videomode
 1273 
  * ecx = number of current videomode
1273 
Remarks:
 1274 
Remarks:
1274 
  * Driver must be initialized by call to
1275 
  * Driver must be initialized by call to
1275 
    driver function 1.
 1276 
    driver function 1.
1276 
  * If only screen sizes are required, it is more expedient to use
 1277 
  * If only screen sizes are required, it is more expedient to use
1277 
    function 14 taking into account that it
 1278 
    function 14 taking into account that it
1278 
    returns sizes on 1 less.
 1279 
    returns sizes on 1 less.
1279 
 
 1280 
 
1280 
======================================================================
 1281 
======================================================================
1281 
=== Function 21, subfunction 13, subsubfunction 3 - set videomode. ===
 1282 
=== Function 21, subfunction 13, subsubfunction 3 - set videomode. ===
1282 
======================================================================
 1283 
======================================================================
1283 
Parameters:
 1284 
Parameters:
1284 
  * eax = 21 - function number
 1285 
  * eax = 21 - function number
1285 
  * ebx = 13 - subfunction number
 1286 
  * ebx = 13 - subfunction number
1286 
  * ecx = 3 - number of the driver function
 1287 
  * ecx = 3 - number of the driver function
1287 
  * edx = [scanning frequency]*65536 + [videomode number]
 1288 
  * edx = [scanning frequency]*65536 + [videomode number]
1288 
Returned value:
 1289 
Returned value:
1289 
  * eax = -1 - driver is not loaded, not initialized or
 1290 
  * eax = -1 - driver is not loaded, not initialized or
1290 
    an error has occured
 1291 
    an error has occured
1291 
  * eax = 0 - success
 1292 
  * eax = 0 - success
1292 
  * ebx, ecx destroyed
 1293 
  * ebx, ecx destroyed
1293 
Remarks:
 1294 
Remarks:
1294 
  * Driver must be initialized by driver function 1.
 1295 
  * Driver must be initialized by driver function 1.
1295 
  * The videomode number and frequency must be in the table
 1296 
  * The videomode number and frequency must be in the table
1296 
    returned by driver function 1.
 1297 
    returned by driver function 1.
1297 
 
 1298 
 
1298 
======================================================================
 1299 
======================================================================
1299 
============ Function 21, subfunction 13, subsubfunction 4 ===========
 1300 
============ Function 21, subfunction 13, subsubfunction 4 ===========
1300 
================== Return to the initial videomode. ==================
 1301 
================== Return to the initial videomode. ==================
1301 
======================================================================
 1302 
======================================================================
1302 
Returns the screen to the videomode set at system boot.
 1303 
Returns the screen to the videomode set at system boot.
1303 
Parameters:
 1304 
Parameters:
1304 
  * eax = 21 - function number
 1305 
  * eax = 21 - function number
1305 
  * ebx = 13 - subfunction number
 1306 
  * ebx = 13 - subfunction number
1306 
  * ecx = 4 - number of the driver function
 1307 
  * ecx = 4 - number of the driver function
1307 
Returned value:
 1308 
Returned value:
1308 
  * eax = -1 - driver is not loaded or not initialized
 1309 
  * eax = -1 - driver is not loaded or not initialized
1309 
  * eax = 0 - success
 1310 
  * eax = 0 - success
1310 
  * ebx, ecx destroyed
 1311 
  * ebx, ecx destroyed
1311 
Remarks:
 1312 
Remarks:
1312 
  * Driver must be initialized by call to driver function 1.
 1313 
  * Driver must be initialized by call to driver function 1.
1313 
 
 1314 
 
1314 
======================================================================
 1315 
======================================================================
1315 
============ Function 21, subfunction 13, subsubfunction 5 ===========
 1316 
============ Function 21, subfunction 13, subsubfunction 5 ===========
1316 
===== Increase/decrease the size of the visible area of monitor. =====
 1317 
===== Increase/decrease the size of the visible area of monitor. =====
1317 
======================================================================
 1318 
======================================================================
1318 
Parameters:
 1319 
Parameters:
1319 
  * eax = 21 - function number
 1320 
  * eax = 21 - function number
1320 
  * ebx = 13 - subfunction number
 1321 
  * ebx = 13 - subfunction number
1321 
  * ecx = 5 - number of the driver function
 1322 
  * ecx = 5 - number of the driver function
1322 
  * edx = 0/1 - decrease/increase horizontal size on 1 position
 1323 
  * edx = 0/1 - decrease/increase horizontal size on 1 position
1323 
  * edx = 2/3 - is not supported in the current implementation;
 1324 
  * edx = 2/3 - is not supported in the current implementation;
1324 
    is planned as decrease/increase vertical size on 1 position
 1325 
    is planned as decrease/increase vertical size on 1 position
1325 
Returned value:
 1326 
Returned value:
1326 
  * eax = -1 - driver is not loaded or not initialized
 1327 
  * eax = -1 - driver is not loaded or not initialized
1327 
  * eax = 0 - success
 1328 
  * eax = 0 - success
1328 
  * ebx, ecx destroyed
 1329 
  * ebx, ecx destroyed
1329 
Remarks:
 1330 
Remarks:
1330 
  * Driver must be initialized by call to driver function 1.
 1331 
  * Driver must be initialized by call to driver function 1.
1331 
  * Function influences only the physical size of the screen image;
 1332 
  * Function influences only the physical size of the screen image;
1332 
    the logical size (number of pixels) does not change.
 1333 
    the logical size (number of pixels) does not change.
1333 
 
 1334 
 
1334 
======================================================================
 1335 
======================================================================
1335 
================= Function 22 - set system date/time. ================
 1336 
================= Function 22 - set system date/time. ================
1336 
======================================================================
 1337 
======================================================================
1337 
Parameters:
 1338 
Parameters:
1338 
  * eax = 22 - function number
 1339 
  * eax = 22 - function number
1339 
  * ebx = 0 - set time
 1340 
  * ebx = 0 - set time
1340 
    * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD):
 1341 
    * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD):
1341 
    * HH=hour 00..23
 1342 
    * HH=hour 00..23
1342 
    * MM=minute 00..59
 1343 
    * MM=minute 00..59
1343 
    * SS=second 00..59
 1344 
    * SS=second 00..59
1344 
  * ebx = 1 - set date
 1345 
  * ebx = 1 - set date
1345 
    * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD):
 1346 
    * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD):
1346 
    * DD=day 01..31
 1347 
    * DD=day 01..31
1347 
    * MM=month 01..12
 1348 
    * MM=month 01..12
1348 
    * YY=year 00..99
 1349 
    * YY=year 00..99
1349 
  * ebx = 2 - set day of week
 1350 
  * ebx = 2 - set day of week
1350 
    * ecx = 1 for Sunday, ..., 7 for Saturday
 1351 
    * ecx = 1 for Sunday, ..., 7 for Saturday
1351 
  * ebx = 3 - set alarm clock
 1352 
  * ebx = 3 - set alarm clock
1352 
    * ecx = 0x00SSMMHH
 1353 
    * ecx = 0x00SSMMHH
1353 
Returned value:
 1354 
Returned value:
1354 
  * eax = 0 - success
 1355 
  * eax = 0 - success
1355 
  * eax = 1 - incorrect parameter
 1356 
  * eax = 1 - incorrect parameter
1356 
  * eax = 2 - CMOS-battery was unloaded
 1357 
  * eax = 2 - CMOS-battery was unloaded
1357 
Remarks:
 1358 
Remarks:
1358 
  * Value of installation of day of week seems to be doubtful,
 1359 
  * Value of installation of day of week seems to be doubtful,
1359 
    as it a little where is used
 1360 
    as it a little where is used
1360 
    (day of week can be calculated by date).
 1361 
    (day of week can be calculated by date).
1361 
  * Alarm clock can be set on operation in the given time every day.
 1362 
  * Alarm clock can be set on operation in the given time every day.
1362 
    But there is no existing system function to disable it.
 1363 
    But there is no existing system function to disable it.
1363 
  * Operation of alarm clock consists in generation IRQ8.
 1364 
  * Operation of alarm clock consists in generation IRQ8.
1364 
  * Generally CMOS supports for alarm clock set of value 0xFF
 1365 
  * Generally CMOS supports for alarm clock set of value 0xFF
1365 
    as one of parameters and it means that the appropriate parameter
 1366 
    as one of parameters and it means that the appropriate parameter
1366 
    is ignored. But current implementation does not allow this
 1367 
    is ignored. But current implementation does not allow this
1367 
    (will return 1).
 1368 
    (will return 1).
1368 
  * Alarm clock is a global system resource; the set of
 1369 
  * Alarm clock is a global system resource; the set of
1369 
    an alarm clock cancels automatically the previous set.
 1370 
    an alarm clock cancels automatically the previous set.
1370 
    However, at moment no program uses it.
 1371 
    However, at moment no program uses it.
1371 
 
 1372 
 
1372 
======================================================================
 1373 
======================================================================
1373 
============= Function 23 - wait for event with timeout. =============
 1374 
============= Function 23 - wait for event with timeout. =============
1374 
======================================================================
 1375 
======================================================================
1375 
If the message queue is empty, waits for new message in the queue,
 1376 
If the message queue is empty, waits for new message in the queue,
1376 
but no more than given time. Then reads out a message from the queue.
 1377 
but no more than given time. Then reads out a message from the queue.
1377 
 
 1378 
 
1378 
Parameters:
 1379 
Parameters:
1379 
  * eax = 23 - function number
 1380 
  * eax = 23 - function number
1380 
  * ebx = timeout (in 1/100 of second)
 1381 
  * ebx = timeout (in 1/100 of second)
1381 
Returned value:
 1382 
Returned value:
1382 
  * eax = 0 - the message queue is empty
 1383 
  * eax = 0 - the message queue is empty
1383 
  * otherwise eax = event (see the list of events)
 1384 
  * otherwise eax = event (see the list of events)
1384 
Remarks:
 1385 
Remarks:
1385 
  * Only those events are taken into account, which enter into
 1386 
  * Only those events are taken into account, which enter into
1386 
    the mask set by function 40. By default it is
 1387 
    the mask set by function 40. By default it is
1387 
    redraw, key and button events.
 1388 
    redraw, key and button events.
1388 
  * To check for presence of a message in the queue use function 11.
 1389 
  * To check for presence of a message in the queue use function 11.
1389 
    To wait without timeout use function 10.
 1390 
    To wait without timeout use function 10.
1390 
  * Transmission ebx=0 results in immediate returning eax=0.
 1391 
  * Transmission ebx=0 results in immediate returning eax=0.
1391 
  * Current implementation returns immediately with eax=0,
 1392 
  * Current implementation returns immediately with eax=0,
1392 
    if the addition of ebx with the current value of time counter
 1393 
    if the addition of ebx with the current value of time counter
1393 
    makes 32-bit overflow.
 1394 
    makes 32-bit overflow.
1394 
 
 1395 
 
1395 
======================================================================
 1396 
======================================================================
1396 
======== Function 24, subfunction 1 - begin to play CD-audio. ========
 1397 
======== Function 24, subfunction 1 - begin to play CD-audio. ========
1397 
======================================================================
 1398 
======================================================================
1398 
Parameters:
 1399 
Parameters:
1399 
  * eax = 24 - function number
 1400 
  * eax = 24 - function number
1400 
  * ebx = 1 - subfunction number
 1401 
  * ebx = 1 - subfunction number
1401 
  * ecx = 0x00FRSSMM, where
 1402 
  * ecx = 0x00FRSSMM, where
1402 
    * MM = starting minute
 1403 
    * MM = starting minute
1403 
    * SS = starting second
 1404 
    * SS = starting second
1404 
    * FR = starting frame
 1405 
    * FR = starting frame
1405 
Returned value:
 1406 
Returned value:
1406 
  * eax = 0 - success
 1407 
  * eax = 0 - success
1407 
  * eax = 1 - CD base is not defined
 1408 
  * eax = 1 - CD base is not defined
1408 
Remarks:
 1409 
Remarks:
1409 
  * Previously CD base must be defined by the call to
1410 
  * Previously CD base must be defined by the call to
1410 
    subfunction 3 of function 21.
 1411 
    subfunction 3 of function 21.
1411 
  * One second includes 75 frames, one minute includes 60 seconds.
 1412 
  * One second includes 75 frames, one minute includes 60 seconds.
1412 
  * The function is asynchronous (returns control, when play begins).
 1413 
  * The function is asynchronous (returns control, when play begins).
1413 
 
 1414 
 
1414 
======================================================================
 1415 
======================================================================
1415 
======= Function 24, subfunction 2 - get information on tracks. ======
 1416 
======= Function 24, subfunction 2 - get information on tracks. ======
1416 
======================================================================
 1417 
======================================================================
1417 
Parameters:
 1418 
Parameters:
1418 
  * eax = 24 - function number
 1419 
  * eax = 24 - function number
1419 
  * ebx = 2 - subfunction number
 1420 
  * ebx = 2 - subfunction number
1420 
  * ecx = pointer to the buffer for the table
 1421 
  * ecx = pointer to the buffer for the table
1421 
    (maximum 8*64h+4 bytes=100 tracks)
 1422 
    (maximum 8*64h+4 bytes=100 tracks)
1422 
Returned value:
 1423 
Returned value:
1423 
  * eax = 0 - success
 1424 
  * eax = 0 - success
1424 
  * eax = 1 - CD base is not defined
 1425 
  * eax = 1 - CD base is not defined
1425 
Remarks:
 1426 
Remarks:
1426 
  * The format of the table with tracks information is the same as
 1427 
  * The format of the table with tracks information is the same as
1427 
    for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h).
 1428 
    for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h).
1428 
    Function returns addresses in MSF.
 1429 
    Function returns addresses in MSF.
1429 
  * Previously CD base port must be set by call to
1430 
  * Previously CD base port must be set by call to
1430 
    subfunction 3 of function 21.
 1431 
    subfunction 3 of function 21.
1431 
  * Function returns information only about no more than 100
 1432 
  * Function returns information only about no more than 100
1432 
    first tracks. In most cases it is enough.
 1433 
    first tracks. In most cases it is enough.
1433 
 
 1434 
 
1434 
======================================================================
 1435 
======================================================================
1435 
========== Function 24, subfunction 3 - stop play CD-audio. ==========
 1436 
========== Function 24, subfunction 3 - stop play CD-audio. ==========
1436 
======================================================================
 1437 
======================================================================
1437 
Parameters:
 1438 
Parameters:
1438 
  * eax = 24 - function number
 1439 
  * eax = 24 - function number
1439 
  * ebx = 1 - subfunction number
 1440 
  * ebx = 1 - subfunction number
1440 
Returned value:
 1441 
Returned value:
1441 
  * eax = 0 - success
 1442 
  * eax = 0 - success
1442 
  * eax = 1 - CD base is not defined
 1443 
  * eax = 1 - CD base is not defined
1443 
Remarks:
 1444 
Remarks:
1444 
  * Previously CD base port must be defined by call to
1445 
  * Previously CD base port must be defined by call to
1445 
    subfunction 3 of function 21.
 1446 
    subfunction 3 of function 21.
1446 
 
 1447 
 
1447 
======================================================================
 1448 
======================================================================
1448 
=================== Function 25 - set SBPro volume. ==================
 1449 
=================== Function 25 - set SBPro volume. ==================
1449 
======================================================================
 1450 
======================================================================
1450 
Parameters:
 1451 
Parameters:
1451 
  * eax = 25 - function number
 1452 
  * eax = 25 - function number
1452 
  * ebx = what to set:
 1453 
  * ebx = what to set:
1453 
    * 1 - set common volume
 1454 
    * 1 - set common volume
1454 
    * 2 - set CD-audio volume
 1455 
    * 2 - set CD-audio volume
1455 
  * cl = volume level: high 4 bits for the left column,
 1456 
  * cl = volume level: high 4 bits for the left column,
1456 
    low 4 bits for the right one
 1457 
    low 4 bits for the right one
1457 
Returned value:
 1458 
Returned value:
1458 
  * eax = 0 - success
 1459 
  * eax = 0 - success
1459 
  * eax = 1 - SB base is not defined
 1460 
  * eax = 1 - SB base is not defined
1460 
  * eax = 2 - incorrect subfunction
 1461 
  * eax = 2 - incorrect subfunction
1461 
Remarks:
 1462 
Remarks:
1462 
  * Previously SB base port must be defined by
1463 
  * Previously SB base port must be defined by
1463 
    subfunction 4 of function 21.
 1464 
    subfunction 4 of function 21.
1464 
  * See also function 28 which sets
 1465 
  * See also function 28 which sets
1465 
    volume for the later standard SB16.
 1466 
    volume for the later standard SB16.
1466 
 
 1467 
 
1467 
======================================================================
 1468 
======================================================================
1468 
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
 1469 
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
1469 
======================================================================
 1470 
======================================================================
1470 
Parameters:
 1471 
Parameters:
1471 
  * eax = 26 - function number
 1472 
  * eax = 26 - function number
1472 
  * ebx = 1 - subfunction number
 1473 
  * ebx = 1 - subfunction number
1473 
Returned value:
 1474 
Returned value:
1474 
  * eax = port number
 1475 
  * eax = port number
1475 
Parameters:
 1476 
Parameters:
1476 
  * To set base port use subfunction 1 of function 21.
 1477 
  * To set base port use subfunction 1 of function 21.
1477 
 
 1478 
 
1478 
======================================================================
 1479 
======================================================================
1479 
========== Function 26, subfunction 2 - get keyboard layout. =========
 1480 
========== Function 26, subfunction 2 - get keyboard layout. =========
1480 
======================================================================
 1481 
======================================================================
1481 
The keyboard layout is used to convert keyboard scancodes to
 1482 
The keyboard layout is used to convert keyboard scancodes to
1482 
ASCII-codes for function 2.
 1483 
ASCII-codes for function 2.
1483 
Parameters:
 1484 
Parameters:
1484 
  * eax = 26 - function number
 1485 
  * eax = 26 - function number
1485 
  * ebx = 2 - subfunction number
 1486 
  * ebx = 2 - subfunction number
1486 
  * ecx = what layout to get:
 1487 
  * ecx = what layout to get:
1487 
    * 1 = normal layout
 1488 
    * 1 = normal layout
1488 
    * 2 = layout with pressed Shift
 1489 
    * 2 = layout with pressed Shift
1489 
    * 3 = layout with pressed Alt
 1490 
    * 3 = layout with pressed Alt
1490 
  * edx = pointer to the 128-bytes buffer, where the layout will be
 1491 
  * edx = pointer to the 128-bytes buffer, where the layout will be
1491 
    copied
 1492 
    copied
1492 
Returned value:
 1493 
Returned value:
1493 
  * function does not return value
 1494 
  * function does not return value
1494 
Or:
 1495 
Or:
1495 
  * eax = 26 - function number
 1496 
  * eax = 26 - function number
1496 
  * ebx = 2 - subfunction number
 1497 
  * ebx = 2 - subfunction number
1497 
  * ecx = 9
 1498 
  * ecx = 9
1498 
Returned value:
 1499 
Returned value:
1499 
  * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
 1500 
  * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
1500 
Remarks:
 1501 
Remarks:
1501 
  * If Alt is pressed, the layout with Alt is used;
 1502 
  * If Alt is pressed, the layout with Alt is used;
1502 
    if Alt is not pressed, but Shift is pressed,
 1503 
    if Alt is not pressed, but Shift is pressed,
1503 
    the layout with Shift is used;
 1504 
    the layout with Shift is used;
1504 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
 1505 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
1505 
    layout is used and then from the code is subtracted 0x60;
 1506 
    layout is used and then from the code is subtracted 0x60;
1506 
    if no control key is pressed, the normal layout is used.
 1507 
    if no control key is pressed, the normal layout is used.
1507 
  * To set layout and country identifier use
1508 
  * To set layout and country identifier use
1508 
    subfunction 2 of function 21.
 1509 
    subfunction 2 of function 21.
1509 
  * Country identifier is global system variable, which is not used
 1510 
  * Country identifier is global system variable, which is not used
1510 
    by the kernel itself; however the application '@panel' displays
 1511 
    by the kernel itself; however the application '@panel' displays
1511 
    the corresponding icon (using this function).
 1512 
    the corresponding icon (using this function).
1512 
  * The application @panel switches layouts on user request.
 1513 
  * The application @panel switches layouts on user request.
1513 
 
 1514 
 
1514 
======================================================================
 1515 
======================================================================
1515 
============== Function 26, subfunction 3 - get CD base. =============
 1516 
============== Function 26, subfunction 3 - get CD base. =============
1516 
======================================================================
 1517 
======================================================================
1517 
Parameters:
 1518 
Parameters:
1518 
  * eax = 26 - function number
 1519 
  * eax = 26 - function number
1519 
  * ebx = 3 - subfunction number
 1520 
  * ebx = 3 - subfunction number
1520 
Returned value:
 1521 
Returned value:
1521 
  * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1522 
  * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1522 
Remarks:
 1523 
Remarks:
1523 
  * CD base is used by function 24.
 1524 
  * CD base is used by function 24.
1524 
  * To set CD base use subfunction 3 of function 21.
 1525 
  * To set CD base use subfunction 3 of function 21.
1525 
 
 1526 
 
1526 
======================================================================
 1527 
======================================================================
1527 
====== Function 26, subfunction 4 - get Sound Blaster base port. =====
 1528 
====== Function 26, subfunction 4 - get Sound Blaster base port. =====
1528 
======================================================================
 1529 
======================================================================
1529 
Parameters:
 1530 
Parameters:
1530 
  * eax = 26 - function number
 1531 
  * eax = 26 - function number
1531 
  * ebx = 4 - subfunction number
 1532 
  * ebx = 4 - subfunction number
1532 
Returned value:
 1533 
Returned value:
1533 
  * eax = base port number
 1534 
  * eax = base port number
1534 
Remarks:
 1535 
Remarks:
1535 
  * Bae port is used by functions 25, 55.
 1536 
  * Bae port is used by functions 25, 55.
1536 
  * To set base port use subfunction 4 of function 21.
 1537 
  * To set base port use subfunction 4 of function 21.
1537 
 
 1538 
 
1538 
======================================================================
 1539 
======================================================================
1539 
========== Function 26, subfunction 5 - get system language. =========
 1540 
========== Function 26, subfunction 5 - get system language. =========
1540 
======================================================================
 1541 
======================================================================
1541 
Parameters:
 1542 
Parameters:
1542 
  * eax = 26 - function number
 1543 
  * eax = 26 - function number
1543 
  * ebx = 5 - subfunction number
 1544 
  * ebx = 5 - subfunction number
1544 
Returned value:
 1545 
Returned value:
1545 
  * eax = system language (1=eng, 2=fi, 3=ger, 4=rus)
 1546 
  * eax = system language (1=eng, 2=fi, 3=ger, 4=rus)
1546 
Remarks:
 1547 
Remarks:
1547 
  * System language is global system variable and is not used
 1548 
  * System language is global system variable and is not used
1548 
    by the kernel itself, however application @panel draws the
 1549 
    by the kernel itself, however application @panel draws the
1549 
    appropriate icon (using this function).
 1550 
    appropriate icon (using this function).
1550 
  * To set system language use subfunction 5 of function 21.
 1551 
  * To set system language use subfunction 5 of function 21.
1551 
 
 1552 
 
1552 
======================================================================
 1553 
======================================================================
1553 
============== Function 26, subfunction 7 - get HD base. =============
 1554 
============== Function 26, subfunction 7 - get HD base. =============
1554 
======================================================================
 1555 
======================================================================
1555 
The HD base defines hard disk to write with usage of obsolete
 1556 
The HD base defines hard disk to write with usage of obsolete
1556 
syntax /HD in obsolete function 58; at usage of modern syntax
 1557 
syntax /HD in obsolete function 58; at usage of modern syntax
1557 
/HD0,/HD1,/HD2,/HD3 base is set automatically.
 1558 
/HD0,/HD1,/HD2,/HD3 base is set automatically.
1558 
Parameters:
 1559 
Parameters:
1559 
  * eax = 26 - function number
 1560 
  * eax = 26 - function number
1560 
  * ebx = 7 - subfunction number
 1561 
  * ebx = 7 - subfunction number
1561 
Returned value:
 1562 
Returned value:
1562 
  * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1563 
  * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1563 
Remarks:
 1564 
Remarks:
1564 
  * Any application in any time can change HD base.
 1565 
  * Any application in any time can change HD base.
1565 
  * To set base use subfunction 7 of function 21.
 1566 
  * To set base use subfunction 7 of function 21.
1566 
  * To get used partition of hard disk use subfunction 8.
 1567 
  * To get used partition of hard disk use subfunction 8.
1567 
 
 1568 
 
1568 
======================================================================
 1569 
======================================================================
1569 
========= Function 26, subfunction 8 - get used HD partition. ========
 1570 
========= Function 26, subfunction 8 - get used HD partition. ========
1570 
======================================================================
 1571 
======================================================================
1571 
The HD partition defines partition of the hard disk to write with
 1572 
The HD partition defines partition of the hard disk to write with
1572 
usage of obsolete syntax /HD in obsolete function 58;
 1573 
usage of obsolete syntax /HD in obsolete function 58;
1573 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1574 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1574 
base and partition are set automatically.
 1575 
base and partition are set automatically.
1575 
Parameters:
 1576 
Parameters:
1576 
  * eax = 26 - function number
 1577 
  * eax = 26 - function number
1577 
  * ebx = 8 - subfunction number
 1578 
  * ebx = 8 - subfunction number
1578 
Returned value:
 1579 
Returned value:
1579 
  * eax = HD partition (beginning from 1)
 1580 
  * eax = HD partition (beginning from 1)
1580 
Remarks:
 1581 
Remarks:
1581 
  * Any application in any time can change partition.
 1582 
  * Any application in any time can change partition.
1582 
  * To set partition use subfunction 8 of function 21.
 1583 
  * To set partition use subfunction 8 of function 21.
1583 
  * To get number of partitions on a hard disk use
 1584 
  * To get number of partitions on a hard disk use
1584 
    subfunction 11 of function 18.
 1585 
    subfunction 11 of function 18.
1585 
  * To get base of used hard disk, use subfunction 7.
 1586 
  * To get base of used hard disk, use subfunction 7.
1586 
 
 1587 
 
1587 
======================================================================
 1588 
======================================================================
1588 
=== Function 26, subfunction 9 - get the value of the time counter. ==
 1589 
=== Function 26, subfunction 9 - get the value of the time counter. ==
1589 
======================================================================
 1590 
======================================================================
1590 
Parameters:
 1591 
Parameters:
1591 
  * eax = 26 - function number
 1592 
  * eax = 26 - function number
1592 
  * ebx = 9 - subfunction number
 1593 
  * ebx = 9 - subfunction number
1593 
Returned value:
 1594 
Returned value:
1594 
  * eax = number of 1/100s of second, past from the system boot time
 1595 
  * eax = number of 1/100s of second, past from the system boot time
1595 
Remarks:
 1596 
Remarks:
1596 
  * Counter takes modulo 2^32, that correspond to a little more
 1597 
  * Counter takes modulo 2^32, that correspond to a little more
1597 
    than 497 days.
 1598 
    than 497 days.
1598 
  * To get system time use function 3.
 1599 
  * To get system time use function 3.
1599 
 
 1600 
 
1600 
======================================================================
 1601 
======================================================================
1601 
======== Function 26, subfunction 10 - get sound DMA channel. ========
 1602 
======== Function 26, subfunction 10 - get sound DMA channel. ========
1602 
======================================================================
 1603 
======================================================================
1603 
Parameters:
 1604 
Parameters:
1604 
  * eax = 26 - function number
 1605 
  * eax = 26 - function number
1605 
  * ebx = 10 - subfunction number
 1606 
  * ebx = 10 - subfunction number
1606 
Returned value:
 1607 
Returned value:
1607 
  * eax = number of the channel (from 0 to 3 inclusive)
 1608 
  * eax = number of the channel (from 0 to 3 inclusive)
1608 
Remarks:
 1609 
Remarks:
1609 
  * Number of the DMA channel is used by subfunction 1 of function 55.
 1610 
  * Number of the DMA channel is used by subfunction 1 of function 55.
1610 
  * To set the sound DMA channel use subfunction 10 of function 21.
 1611 
  * To set the sound DMA channel use subfunction 10 of function 21.
1611 
 
 1612 
 
1612 
======================================================================
 1613 
======================================================================
1613 
===================== Function 26, subfunction 11 ====================
 1614 
===================== Function 26, subfunction 11 ====================
1614 
========== Find out whether low-level HD access is enabled. ==========
 1615 
========== Find out whether low-level HD access is enabled. ==========
1615 
======================================================================
 1616 
======================================================================
1616 
Parameters:
 1617 
Parameters:
1617 
  * eax = 26 - function number
 1618 
  * eax = 26 - function number
1618 
  * ebx = 11 - subfunction number
 1619 
  * ebx = 11 - subfunction number
1619 
Returned value:
 1620 
Returned value:
1620 
  * eax = 0/1 - disabled/enabled
 1621 
  * eax = 0/1 - disabled/enabled
1621 
Remarks:
 1622 
Remarks:
1622 
  * Is used in LBA read (subfunction 8 of function 58).
 1623 
  * Is used in LBA read (subfunction 8 of function 58).
1623 
  * To set current state use subfunction 11 of function 21.
 1624 
  * To set current state use subfunction 11 of function 21.
1624 
 
 1625 
 
1625 
======================================================================
 1626 
======================================================================
1626 
===================== Function 26, subfunction 12 ====================
 1627 
===================== Function 26, subfunction 12 ====================
1627 
========== Find out whether low-level PCI access is enabled. =========
 1628 
========== Find out whether low-level PCI access is enabled. =========
1628 
======================================================================
 1629 
======================================================================
1629 
Parameters:
 1630 
Parameters:
1630 
  * eax = 26 - function number
 1631 
  * eax = 26 - function number
1631 
  * ebx = 12 - subfunction number
 1632 
  * ebx = 12 - subfunction number
1632 
Returned value:
 1633 
Returned value:
1633 
  * eax = 0/1 - disabled/enabled
 1634 
  * eax = 0/1 - disabled/enabled
1634 
Remarks:
 1635 
Remarks:
1635 
  * Is used by operations with PCI bus (function 62).
 1636 
  * Is used by operations with PCI bus (function 62).
1636 
  * The current implementation uses only low bit of ecx.
 1637 
  * The current implementation uses only low bit of ecx.
1637 
  * To set the current state use subfunction 12 of function 21.
 1638 
  * To set the current state use subfunction 12 of function 21.
1638 
 
 1639 
 
1639 
======================================================================
 1640 
======================================================================
1640 
=================== Function 28 - set SB16 volume. ===================
 1641 
=================== Function 28 - set SB16 volume. ===================
1641 
======================================================================
 1642 
======================================================================
1642 
Parameters:
 1643 
Parameters:
1643 
  * eax = 28 - function number
 1644 
  * eax = 28 - function number
1644 
  * ebx = what to install:
 1645 
  * ebx = what to install:
1645 
    * 1 - install common volume
 1646 
    * 1 - install common volume
1646 
    * 2 - install CD-audio volume
 1647 
    * 2 - install CD-audio volume
1647 
  * cl = volume level (0=off, 0xFF=max)
 1648 
  * cl = volume level (0=off, 0xFF=max)
1648 
Returned value:
 1649 
Returned value:
1649 
  * eax = 0 - success
 1650 
  * eax = 0 - success
1650 
  * eax = 1 - SB base is not defined
 1651 
  * eax = 1 - SB base is not defined
1651 
  * eax = 2 - incorrect subfunction
 1652 
  * eax = 2 - incorrect subfunction
1652 
Remarks:
 1653 
Remarks:
1653 
  * Previously SB base port must be defined by
 1654 
  * Previously SB base port must be defined by
1654 
    subfunction 4 of function 21.
 1655 
    subfunction 4 of function 21.
1655 
  * This function gives more variants for volume, that function 25.
 1656 
  * This function gives more variants for volume, that function 25.
1656 
 
 1657 
 
1657 
======================================================================
 1658 
======================================================================
1658 
=================== Function 29 - get system date. ===================
 1659 
=================== Function 29 - get system date. ===================
1659 
======================================================================
 1660 
======================================================================
1660 
Parameters:
 1661 
Parameters:
1661 
  * eax = 29 - function number
 1662 
  * eax = 29 - function number
1662 
Returned value:
 1663 
Returned value:
1663 
  * eax = 0x00DDMMYY, where
 1664 
  * eax = 0x00DDMMYY, where
1664 
    (binary-decimal coding, BCD, is used)
 1665 
    (binary-decimal coding, BCD, is used)
1665 
  * YY = two low digits of year (00..99)
 1666 
  * YY = two low digits of year (00..99)
1666 
  * MM = month (01..12)
 1667 
  * MM = month (01..12)
1667 
  * DD = day (01..31)
 1668 
  * DD = day (01..31)
1668 
Remarks:
 1669 
Remarks:
1669 
  * To set system date use function 22.
 1670 
  * To set system date use function 22.
1670 
 
 1671 
 
1671 
======================================================================
 1672 
======================================================================
1672 
============= Function 30 - work with the current folder. ============
 1673 
============= Function 30 - work with the current folder. ============
1673 
======================================================================
 1674 
======================================================================
1674 
 
 1675 
 
1675 
--------- Subfunction 1 - set current folder for the thread. ---------
 1676 
--------- Subfunction 1 - set current folder for the thread. ---------
1676 
Parameters:
 1677 
Parameters:
1677 
  * eax = 30 - function number
 1678 
  * eax = 30 - function number
1678 
  * ebx = 1 - subfunction number
 1679 
  * ebx = 1 - subfunction number
1679 
  * ecx = pointer to ASCIIZ-string with the path to new current folder
 1680 
  * ecx = pointer to ASCIIZ-string with the path to new current folder
1680 
Returned value:
 1681 
Returned value:
1681 
  * function does not return value
 1682 
  * function does not return value
1682 
 
 1683 
 
1683 
--------- Subfunction 2 - get current folder for the thread. ---------
 1684 
--------- Subfunction 2 - get current folder for the thread. ---------
1684 
Parameters:
 1685 
Parameters:
1685 
  * eax = 30 - function number
 1686 
  * eax = 30 - function number
1686 
  * ebx = 2 - subfunction number
 1687 
  * ebx = 2 - subfunction number
1687 
  * ecx = pointer to buffer
 1688 
  * ecx = pointer to buffer
1688 
  * edx = size of buffer
 1689 
  * edx = size of buffer
1689 
Returned value:
 1690 
Returned value:
1690 
  * eax = size of the current folder's name (including terminating 0)
 1691 
  * eax = size of the current folder's name (including terminating 0)
1691 
Remarks:
 1692 
Remarks:
1692 
  * If the buffer is too small to hold all data, only first (edx-1)
 1693 
  * If the buffer is too small to hold all data, only first (edx-1)
1693 
    bytes are copied and than terminating 0 is inserted.
 1694 
    bytes are copied and than terminating 0 is inserted.
1694 
 
 1695 
 
1695 
======================================================================
 1696 
======================================================================
1696 
=============== Function 32 - delete file from ramdisk. ==============
 1697 
=============== Function 32 - delete file from ramdisk. ==============
1697 
======================================================================
 1698 
======================================================================
1698 
Parameters:
 1699 
Parameters:
1699 
  * eax = 32 - function number
 1700 
  * eax = 32 - function number
1700 
  * ebx = pointer to the filename
 1701 
  * ebx = pointer to the filename
1701 
Returned value:
 1702 
Returned value:
1702 
  * eax = 0 - success; otherwise file system error code
 1703 
  * eax = 0 - success; otherwise file system error code
1703 
Remarks:
 1704 
Remarks:
1704 
  * This function is obsolete; function 58 allows to fulfill
 1705 
  * This function is obsolete; function 58 allows to fulfill
1705 
    the same operations with the extended possibilities.
 1706 
    the same operations with the extended possibilities.
1706 
  * The current implementation returns only values 0(success) and
 1707 
  * The current implementation returns only values 0(success) and
1707 
    5(file not found).
 1708 
    5(file not found).
1708 
  * The filename must be either in the format 8+3 characters
 1709 
  * The filename must be either in the format 8+3 characters
1709 
    (first 8 characters - name itself, last 3 - extension,
 1710 
    (first 8 characters - name itself, last 3 - extension,
1710 
    the short names and extensions are supplemented with spaces),
 1711 
    the short names and extensions are supplemented with spaces),
1711 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 1712 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
1712 
    (name no more than 8 characters, dot, extension 3 characters
 1713 
    (name no more than 8 characters, dot, extension 3 characters
1713 
    supplemented if necessary by spaces).
 1714 
    supplemented if necessary by spaces).
1714 
    The filename must be written with capital letters. The terminating
 1715 
    The filename must be written with capital letters. The terminating
1715 
    character with code 0 is not necessary (not ASCIIZ-string).
 1716 
    character with code 0 is not necessary (not ASCIIZ-string).
1716 
  * This function does not support folders on the ramdisk.
 1717 
  * This function does not support folders on the ramdisk.
1717 
 
 1718 
 
1718 
======================================================================
 1719 
======================================================================
1719 
================ Function 33 - write file to ramdisk. ================
 1720 
================ Function 33 - write file to ramdisk. ================
1720 
======================================================================
 1721 
======================================================================
1721 
Parameters:
 1722 
Parameters:
1722 
  * eax = 33 - function number
 1723 
  * eax = 33 - function number
1723 
  * ebx = pointer to the filename
 1724 
  * ebx = pointer to the filename
1724 
  * ecx = pointer to data for writing
 1725 
  * ecx = pointer to data for writing
1725 
  * edx = number of bytes for writing
 1726 
  * edx = number of bytes for writing
1726 
  * should be set esi=0
 1727 
  * should be set esi=0
1727 
Returned value:
 1728 
Returned value:
1728 
  * eax = 0 - success, otherwise file system error code
 1729 
  * eax = 0 - success, otherwise file system error code
1729 
Remarks:
 1730 
Remarks:
1730 
  * This function is obsolete; function 70 allows to fulfil
 1731 
  * This function is obsolete; function 70 allows to fulfil
1731 
    the same operations with extended possibilities.
 1732 
    the same operations with extended possibilities.
1732 
  * If esi contains non-zero value and selected file already exists,
 1733 
  * If esi contains non-zero value and selected file already exists,
1733 
    one more file with the same name will be created.
 1734 
    one more file with the same name will be created.
1734 
  * Otherwise file will be overwritten.
 1735 
  * Otherwise file will be overwritten.
1735 
  * The filename must be either in the format 8+3 characters
 1736 
  * The filename must be either in the format 8+3 characters
1736 
    (first 8 characters - name itself, last 3 - extension,
 1737 
    (first 8 characters - name itself, last 3 - extension,
1737 
    the short names and extensions are supplemented with spaces),
 1738 
    the short names and extensions are supplemented with spaces),
1738 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 1739 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
1739 
    (name no more than 8 characters, dot, extension 3 characters
 1740 
    (name no more than 8 characters, dot, extension 3 characters
1740 
    supplemented if necessary by spaces).
 1741 
    supplemented if necessary by spaces).
1741 
    The filename must be written with capital letters. The terminating
 1742 
    The filename must be written with capital letters. The terminating
1742 
    character with code 0 is not necessary (not ASCIIZ-string).
 1743 
    character with code 0 is not necessary (not ASCIIZ-string).
1743 
  * This function does not support folders on the ramdisk.
 1744 
  * This function does not support folders on the ramdisk.
1744 
 
 1745 
 
1745 
======================================================================
 1746 
======================================================================
1746 
======= Function 35 - read the color of a pixel on the screen. =======
 1747 
======= Function 35 - read the color of a pixel on the screen. =======
1747 
======================================================================
 1748 
======================================================================
1748 
Parameters:
 1749 
Parameters:
1749 
  * eax = 35
 1750 
  * eax = 35
1750 
  * ebx = y*xsize+x, where
 1751 
  * ebx = y*xsize+x, where
1751 
  * (x,y) = coordinates of a pixel (beginning from 0)
 1752 
  * (x,y) = coordinates of a pixel (beginning from 0)
1752 
  * xsize = horizontal screen size
 1753 
  * xsize = horizontal screen size
1753 
Returned value:
 1754 
Returned value:
1754 
  * eax = color 0x00RRGGBB
 1755 
  * eax = color 0x00RRGGBB
1755 
Remarks:
 1756 
Remarks:
1756 
  * To get screen sizes use function 14. Pay attention,
 1757 
  * To get screen sizes use function 14. Pay attention,
1757 
    that it subtracts 1 from both sizes.
 1758 
    that it subtracts 1 from both sizes.
1758 
  * There is also direct access (without any system calls)
 1759 
  * There is also direct access (without any system calls)
1759 
    to videomemory through the selector gs. To get parameters of
 1760 
    to videomemory through the selector gs. To get parameters of
1760 
    the current videomode, use function 61.
 1761 
    the current videomode, use function 61.
1761 
 
 1762 
 
1762 
======================================================================
 1763 
======================================================================
1763 
=================== Function 37 - work with mouse. ===================
 1764 
=================== Function 37 - work with mouse. ===================
1764 
======================================================================
 1765 
======================================================================
1765 
 
 1766 
 
1766 
---------- Subfunction 0 - screen coordinates of the mouse -----------
 1767 
---------- Subfunction 0 - screen coordinates of the mouse -----------
1767 
Parameters:
 1768 
Parameters:
1768 
  * eax = 37 - function number
 1769 
  * eax = 37 - function number
1769 
  * ebx = 0 - subfunction number
 1770 
  * ebx = 0 - subfunction number
1770 
Returned value:
 1771 
Returned value:
1771 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
 1772 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
1772 
    (beginning from 0)
 1773 
    (beginning from 0)
1773 
 
 1774 
 
1774 
-- Subfunction 1 - coordinates of the mouse relative to the window ---
 1775 
-- Subfunction 1 - coordinates of the mouse relative to the window ---
1775 
Parameters:
 1776 
Parameters:
1776 
  * eax = 37 - function number
 1777 
  * eax = 37 - function number
1777 
  * ebx = 1 - subfunction number
 1778 
  * ebx = 1 - subfunction number
1778 
Returned value:
 1779 
Returned value:
1779 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
 1780 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
1780 
    relative to the application window (beginning from 0)
 1781 
    relative to the application window (beginning from 0)
1781 
Remarks:
 1782 
Remarks:
1782 
  * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd).
 1783 
  * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd).
1783 
    If y>=ywnd, the low word is non-negative and contains
 1784 
    If y>=ywnd, the low word is non-negative and contains
1784 
    relative y-coordinate, and the high word - relative x-coordinate
 1785 
    relative y-coordinate, and the high word - relative x-coordinate
1785 
    (with correct sign). Otherwise the low word is negative and still
 1786 
    (with correct sign). Otherwise the low word is negative and still
1786 
    contains relative y-coordinate, and to the high word
 1787 
    contains relative y-coordinate, and to the high word
1787 
    1 should be added.
 1788 
    1 should be added.
1788 
 
 1789 
 
1789 
------------ Subfunction 2 - pressed buttons of the mouse ------------
 1790 
------------ Subfunction 2 - pressed buttons of the mouse ------------
1790 
Parameters:
 1791 
Parameters:
1791 
  * eax = 37 - function number
 1792 
  * eax = 37 - function number
1792 
  * ebx = 2 - subfunction number
 1793 
  * ebx = 2 - subfunction number
1793 
Returned value:
 1794 
Returned value:
1794 
  * eax contains information on the pressed mouse buttons:
 1795 
  * eax contains information on the pressed mouse buttons:
1795 
  * bit 0 is set = left button is pressed
 1796 
  * bit 0 is set = left button is pressed
1796 
  * bit 1 is set = right button is pressed
 1797 
  * bit 1 is set = right button is pressed
1797 
  * bit 2 is set = middle button is pressed
 1798 
  * bit 2 is set = middle button is pressed
1798 
  * bit 3 is set = 4th button is pressed
 1799 
  * bit 3 is set = 4th button is pressed
1799 
  * bit 4 is set = 5th button is pressed
 1800 
  * bit 4 is set = 5th button is pressed
1800 
  * other bits are cleared
 1801 
  * other bits are cleared
1801 
 
 1802 
 
1802 
-------------------- Subfunction 4 - load cursor ---------------------
 1803 
-------------------- Subfunction 4 - load cursor ---------------------
1803 
Parameters:
 1804 
Parameters:
1804 
  * eax = 37 - function number
 1805 
  * eax = 37 - function number
1805 
  * ebx = 4 - subfunction number
 1806 
  * ebx = 4 - subfunction number
1806 
  * dx = data source:
 1807 
  * dx = data source:
1807 
  * dx = LOAD_FROM_FILE = 0 - data in a file
 1808 
  * dx = LOAD_FROM_FILE = 0 - data in a file
1808 
    * ecx = pointer to full path to the cursor file
 1809 
    * ecx = pointer to full path to the cursor file
1809 
    * the file must be in the format .cur, which is standard for
 1810 
    * the file must be in the format .cur, which is standard for
1810 
      MS Windows, at that of the size 32*32 pixels
 1811 
      MS Windows, at that of the size 32*32 pixels
1811 
  * dx = LOAD_FROM_MEM = 1 - data of file are already loaded in memory
 1812 
  * dx = LOAD_FROM_MEM = 1 - data of file are already loaded in memory
1812 
    * ecx = pointer to data of the cursor file
 1813 
    * ecx = pointer to data of the cursor file
1813 
    * the data format is the same as in the previous case
 1814 
    * the data format is the same as in the previous case
1814 
  * dx = LOAD_INDIRECT = 2 - data in memory
 1815 
  * dx = LOAD_INDIRECT = 2 - data in memory
1815 
    * ecx = pointer to cursor image in the format ARGB 32*32 pixels
 1816 
    * ecx = pointer to cursor image in the format ARGB 32*32 pixels
1816 
    * edx = 0xXXYY0002, where
 1817 
    * edx = 0xXXYY0002, where
1817 
      * XX = x-coordinate of cursor hotspot
 1818 
      * XX = x-coordinate of cursor hotspot
1818 
      * YY = y-coordinate
 1819 
      * YY = y-coordinate
1819 
      * 0 <= XX, YY <= 31
 1820 
      * 0 <= XX, YY <= 31
1820 
Returned value:
 1821 
Returned value:
1821 
  * eax = 0 - failed
 1822 
  * eax = 0 - failed
1822 
  * otherwise eax = cursor handle
 1823 
  * otherwise eax = cursor handle
1823 
 
 1824 
 
1824 
--------------------- Subfunction 5 - set cursor ---------------------
 1825 
--------------------- Subfunction 5 - set cursor ---------------------
1825 
Sets new cursor for the window of the current thread.
 1826 
Sets new cursor for the window of the current thread.
1826 
Parameters:
 1827 
Parameters:
1827 
  * eax = 37 - function number
 1828 
  * eax = 37 - function number
1828 
  * ebx = 5 - subfunction number
 1829 
  * ebx = 5 - subfunction number
1829 
  * ecx = cursor handle
 1830 
  * ecx = cursor handle
1830 
Returned value:
 1831 
Returned value:
1831 
  * eax = handle of previous cursor
 1832 
  * eax = handle of previous cursor
1832 
Remarks:
 1833 
Remarks:
1833 
  * If the handle is incorrect, the function restores the default
 1834 
  * If the handle is incorrect, the function restores the default
1834 
    cursor (standard arrow). In particular, ecx=0 restores it.
 1835 
    cursor (standard arrow). In particular, ecx=0 restores it.
1835 
 
 1836 
 
1836 
------------------- Subfunction 6 - delete cursor --------------------
 1837 
------------------- Subfunction 6 - delete cursor --------------------
1837 
Parameters:
 1838 
Parameters:
1838 
  * eax = 37 - function number
 1839 
  * eax = 37 - function number
1839 
  * ebx = 6 - subfunction number
 1840 
  * ebx = 6 - subfunction number
1840 
  * ecx = cursor handle
 1841 
  * ecx = cursor handle
1841 
Returned value:
 1842 
Returned value:
1842 
  * eax destroyed
 1843 
  * eax destroyed
1843 
Remarks:
 1844 
Remarks:
1844 
  * The cursor must be loaded previously by the current thread
 1845 
  * The cursor must be loaded previously by the current thread
1845 
    (with the call to subfunction 4). The function does not delete
 1846 
    (with the call to subfunction 4). The function does not delete
1846 
    system cursors and cursors, loaded by another applications.
 1847 
    system cursors and cursors, loaded by another applications.
1847 
  * If the active cursor (set by subfunction 5) is deleted,
 1848 
  * If the active cursor (set by subfunction 5) is deleted,
1848 
    the system restores the default cursor (standard arrow).
 1849 
    the system restores the default cursor (standard arrow).
1849 
 
 1850 
 
1850 
------------------ Subfunction 7 - get scroll data -------------------
 1851 
------------------ Subfunction 7 - get scroll data -------------------
1851 
Parameters:
 1852 
Parameters:
1852 
  * eax = 37 - function number
 1853 
  * eax = 37 - function number
1853 
  * ebx = 7 - subfunction number
 1854 
  * ebx = 7 - subfunction number
1854 
Returned value:
 1855 
Returned value:
1855 
  * eax = [horizontal offset]*65536 + [vertical offset]
 1856 
  * eax = [horizontal offset]*65536 + [vertical offset]
1856 
Remarks:
 1857 
Remarks:
1857 
  * Scroll data is available for active window only.
 1858 
  * Scroll data is available for active window only.
1858 
  * Values are zeroed after reading.
 1859 
  * Values are zeroed after reading.
1859 
  * Values are signed.
 1860 
  * Values are signed.
1860 
 
 1861 
 
1861 
======================================================================
 1862 
======================================================================
1862 
====================== Function 38 - draw line. ======================
 1863 
====================== Function 38 - draw line. ======================
1863 
======================================================================
 1864 
======================================================================
1864 
Parameters:
 1865 
Parameters:
1865 
  * eax = 38 - function number
 1866 
  * eax = 38 - function number
1866 
  * ebx = [start coordinate on axis x]*65536 +
 1867 
  * ebx = [start coordinate on axis x]*65536 +
1867 
              [end coordinate on axis x]
 1868 
              [end coordinate on axis x]
1868 
  * ecx = [start coordinate on axis y]*65536 +
 1869 
  * ecx = [start coordinate on axis y]*65536 +
1869 
              [end coordinate on axis y]
 1870 
              [end coordinate on axis y]
1870 
  * edx = 0x00RRGGBB - color
 1871 
  * edx = 0x00RRGGBB - color
1871 
    edx = 0x01xxxxxx - draw inversed line
 1872 
    edx = 0x01xxxxxx - draw inversed line
1872 
          (low 24 bits are ignored)
 1873 
          (low 24 bits are ignored)
1873 
Returned value:
 1874 
Returned value:
1874 
  * function does not return value
 1875 
  * function does not return value
1875 
Remarks:
 1876 
Remarks:
1876 
  * Coordinates are relative to the window.
 1877 
  * Coordinates are relative to the window.
1877 
  * End point is also drawn.
 1878 
  * End point is also drawn.
1878 
 
 1879 
 
1879 
======================================================================
 1880 
======================================================================
1880 
== Function 39, subfunction 1 - get a size of the background image. ==
 1881 
== Function 39, subfunction 1 - get a size of the background image. ==
1881 
======================================================================
 1882 
======================================================================
1882 
Parameters:
 1883 
Parameters:
1883 
  * eax = 39 - function number
 1884 
  * eax = 39 - function number
1884 
  * ebx = 1 - subfunction number
 1885 
  * ebx = 1 - subfunction number
1885 
Returned value:
 1886 
Returned value:
1886 
  * eax = [width]*65536 + [height]
 1887 
  * eax = [width]*65536 + [height]
1887 
Remarks:
 1888 
Remarks:
1888 
  * There is a pair function to set sizes of background image -
 1889 
  * There is a pair function to set sizes of background image -
1889 
    subfunction 1 of function 15. After which it is necessary,
 1890 
    subfunction 1 of function 15. After which it is necessary,
1890 
    of course, anew to define image.
 1891 
    of course, anew to define image.
1891 
 
 1892 
 
1892 
======================================================================
 1893 
======================================================================
1893 
== Function 39, subfunction 2 - get pixel from the background image. =
 1894 
== Function 39, subfunction 2 - get pixel from the background image. =
1894 
======================================================================
 1895 
======================================================================
1895 
Parameters:
 1896 
Parameters:
1896 
  * eax = 39 - function number
 1897 
  * eax = 39 - function number
1897 
  * ebx = 2 - subfunction number
 1898 
  * ebx = 2 - subfunction number
1898 
  * ecx = offset
 1899 
  * ecx = offset
1899 
Returned value:
 1900 
Returned value:
1900 
  * eax = 0x00RRGGBB - pixel color, if offset is valid
 1901 
  * eax = 0x00RRGGBB - pixel color, if offset is valid
1901 
    (less than 0x160000-16)
 1902 
    (less than 0x160000-16)
1902 
  * eax = 2 otherwise
 1903 
  * eax = 2 otherwise
1903 
Remarks:
 1904 
Remarks:
1904 
  * Do not rely on returned value for invalid offsets, it may be
 1905 
  * Do not rely on returned value for invalid offsets, it may be
1905 
    changed in future kernel versions.
 1906 
    changed in future kernel versions.
1906 
  * Offset for pixel with coordinates (x,y)
 1907 
  * Offset for pixel with coordinates (x,y)
1907 
    is calculated as (x+y*xsize)*3.
 1908 
    is calculated as (x+y*xsize)*3.
1908 
  * There is a pair function to set pixel on the background image -
1909 
  * There is a pair function to set pixel on the background image -
1909 
    subfunction 2 of function 15.
 1910 
    subfunction 2 of function 15.
1910 
 
 1911 
 
1911 
======================================================================
 1912 
======================================================================
1912 
== Function 39, subfunction 4 - get drawing mode for the background. =
 1913 
== Function 39, subfunction 4 - get drawing mode for the background. =
1913 
======================================================================
 1914 
======================================================================
1914 
Parameters:
 1915 
Parameters:
1915 
  * eax = 39 - function number
 1916 
  * eax = 39 - function number
1916 
  * ebx = 4 - subfunction number
 1917 
  * ebx = 4 - subfunction number
1917 
Returned value:
 1918 
Returned value:
1918 
  * eax = 1 - tile
 1919 
  * eax = 1 - tile
1919 
  * eax = 2 - stretch
 1920 
  * eax = 2 - stretch
1920 
Remarks:
 1921 
Remarks:
1921 
  * There is a pair function to set drawing mode -
1922 
  * There is a pair function to set drawing mode -
1922 
    subfunction 4 of function 15.
 1923 
    subfunction 4 of function 15.
1923 
 
 1924 
 
1924 
======================================================================
 1925 
======================================================================
1925 
=========== Function 40 - set the mask for expected events. ==========
 1926 
=========== Function 40 - set the mask for expected events. ==========
1926 
======================================================================
 1927 
======================================================================
1927 
The mask for expected events affects function working with events
 1928 
The mask for expected events affects function working with events
1928 
10, 11, 23 - they notify only about events allowed by this mask.
 1929 
10, 11, 23 - they notify only about events allowed by this mask.
1929 
Parameters:
 1930 
Parameters:
1930 
  * eax = 40 - function number
 1931 
  * eax = 40 - function number
1931 
  * ebx = mask: bit i corresponds to event i+1 (see list of events)
 1932 
  * ebx = mask: bit i corresponds to event i+1 (see list of events)
1932 
    (set bit permits notice on event)
 1933 
    (set bit permits notice on event)
1933 
Returned value:
 1934 
Returned value:
1934 
  * function does not return value
 1935 
  * function does not return value
1935 
Remarks:
 1936 
Remarks:
1936 
  * Default mask (7=111b) enables nofices about redraw,
 1937 
  * Default mask (7=111b) enables nofices about redraw,
1937 
    keys and buttons. This is enough for many applications.
 1938 
    keys and buttons. This is enough for many applications.
1938 
  * Events prohibited in the mask are saved anyway, when come;
 1939 
  * Events prohibited in the mask are saved anyway, when come;
1939 
    they are simply not informed with event functions.
 1940 
    they are simply not informed with event functions.
1940 
  * Event functions take into account the mask on moment of
 1941 
  * Event functions take into account the mask on moment of
1941 
    function call, not on moment of event arrival.
 1942 
    function call, not on moment of event arrival.
1942 
 
 1943 
 
1943 
======================================================================
 1944 
======================================================================
1944 
==================== Function 41 - get IRQ owner. ====================
 1945 
==================== Function 41 - get IRQ owner. ====================
1945 
======================================================================
 1946 
======================================================================
1946 
Parameters:
 1947 
Parameters:
1947 
  * eax = 41 - function number
 1948 
  * eax = 41 - function number
1948 
  * ebx = IRQ number, 0..15
 1949 
  * ebx = IRQ number, 0..15
1949 
Returned value:
 1950 
Returned value:
1950 
  * eax = owner PID
 1951 
  * eax = owner PID
1951 
  * eax = 0, if there is no owner
 1952 
  * eax = 0, if there is no owner
1952 
  * eax = -1 for incorrect ebx
 1953 
  * eax = -1 for incorrect ebx
1953 
 
 1954 
 
1954 
======================================================================
 1955 
======================================================================
1955 
==================== Function 42 - read IRQ data. ====================
 1956 
==================== Function 42 - read IRQ data. ====================
1956 
======================================================================
 1957 
======================================================================
1957 
When an IRQ occurs, the system reads data from ports indicated
 1958 
When an IRQ occurs, the system reads data from ports indicated
1958 
earlier by function 44 and writes this data to
 1959 
earlier by function 44 and writes this data to
1959 
internal buffer. This function reads out data from that buffer
 1960 
internal buffer. This function reads out data from that buffer
1960 
bytewise.
 1961 
bytewise.
1961 
Parameters:
 1962 
Parameters:
1962 
  * eax = 42 - function number
 1963 
  * eax = 42 - function number
1963 
  * ebx = IRQ number, 0..15
 1964 
  * ebx = IRQ number, 0..15
1964 
Returned value: (use value of ecx to distinguish)
 1965 
Returned value: (use value of ecx to distinguish)
1965 
  * if the thread is not IRQ owner (or IRQ number is incorrect):
 1966 
  * if the thread is not IRQ owner (or IRQ number is incorrect):
1966 
    * ecx = 2
 1967 
    * ecx = 2
1967 
  * if there is no data:
 1968 
  * if there is no data:
1968 
    * eax = 0
 1969 
    * eax = 0
1969 
    * ecx = 1
 1970 
    * ecx = 1
1970 
    * ebx destroyed
 1971 
    * ebx destroyed
1971 
  * if all is ok:
 1972 
  * if all is ok:
1972 
    * eax = byte size of data, not yet read from buffer
 1973 
    * eax = byte size of data, not yet read from buffer
1973 
    * ecx = 0
 1974 
    * ecx = 0
1974 
    * ebx = current byte
 1975 
    * ebx = current byte
1975 
Remarks:
 1976 
Remarks:
1976 
  * Previously the thread must reserve indicated IRQ for itself
 1977 
  * Previously the thread must reserve indicated IRQ for itself
1977 
    by function 45.
 1978 
    by function 45.
1978 
  * The size of data buffer is 4000 bytes, on overflow
 1979 
  * The size of data buffer is 4000 bytes, on overflow
1979 
    "fresh" data cease to be written in the buffer.
 1980 
    "fresh" data cease to be written in the buffer.
1980 
 
 1981 
 
1981 
======================================================================
 1982 
======================================================================
1982 
================ Function 43 - input/output to a port. ===============
 1983 
================ Function 43 - input/output to a port. ===============
1983 
======================================================================
 1984 
======================================================================
1984 
 
 1985 
 
1985 
------------------------ Output data to port -------------------------
 1986 
------------------------ Output data to port -------------------------
1986 
Parameters:
 1987 
Parameters:
1987 
  * eax = 43 - function number
 1988 
  * eax = 43 - function number
1988 
  * bl = byte for output
 1989 
  * bl = byte for output
1989 
  * ecx = port number 0xnnnn (from 0 to 0xFFFF)
 1990 
  * ecx = port number 0xnnnn (from 0 to 0xFFFF)
1990 
Returned value:
 1991 
Returned value:
1991 
  * eax = 0 - success
 1992 
  * eax = 0 - success
1992 
  * eax = 1 - the thread has not reserved the selected port
 1993 
  * eax = 1 - the thread has not reserved the selected port
1993 
 
 1994 
 
1994 
------------------------ Input data from port ------------------------
 1995 
------------------------ Input data from port ------------------------
1995 
Parameters:
 1996 
Parameters:
1996 
  * eax = 43 - function number
 1997 
  * eax = 43 - function number
1997 
  * ebx is ignored
 1998 
  * ebx is ignored
1998 
  * ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF)
 1999 
  * ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF)
1999 
Returned value:
 2000 
Returned value:
2000 
  * eax = 0 - success, thus ebx = entered byte
 2001 
  * eax = 0 - success, thus ebx = entered byte
2001 
  * eax = 1 - the thread has not reserved the selected port
 2002 
  * eax = 1 - the thread has not reserved the selected port
2002 
Remarks:
 2003 
Remarks:
2003 
  * Previously the thread must reserve the selected port
 2004 
  * Previously the thread must reserve the selected port
2004 
    for itself by function 46.
 2005 
    for itself by function 46.
2005 
  * Instead of call to this function it is better to use
 2006 
  * Instead of call to this function it is better to use
2006 
    processor instructions in/out - this is much
 2007 
    processor instructions in/out - this is much
2007 
    faster and a bit shorter and easier.
 2008 
    faster and a bit shorter and easier.
2008 
 
 2009 
 
2009 
======================================================================
 2010 
======================================================================
2010 
=========== Function 44 - define operations at IRQ arrival. ==========
 2011 
=========== Function 44 - define operations at IRQ arrival. ==========
2011 
======================================================================
 2012 
======================================================================
2012 
At IRQ arrival the system can read the data from ports defined
 2013 
At IRQ arrival the system can read the data from ports defined
2013 
by this function and write these data to internal buffer, whence
 2014 
by this function and write these data to internal buffer, whence
2014 
they can be read by ôóíêöèåé 42.
 2015 
they can be read by ôóíêöèåé 42.
2015 
Parameters:
 2016 
Parameters:
2016 
  * eax = 44 - function number
 2017 
  * eax = 44 - function number
2017 
  * ebx = pointer to the array of structures each describing one port:
 2018 
  * ebx = pointer to the array of structures each describing one port:
2018 
    * +0: word: 0 means end of array, otherwise port number
 2019 
    * +0: word: 0 means end of array, otherwise port number
2019 
    * +2: byte: reserved (ignored)
 2020 
    * +2: byte: reserved (ignored)
2020 
    * +3: byte: 1=read byte from this port, 2=read word
 2021 
    * +3: byte: 1=read byte from this port, 2=read word
2021 
  * ecx = IRQ number, 0..15
 2022 
  * ecx = IRQ number, 0..15
2022 
Returned value:
 2023 
Returned value:
2023 
  * eax = 0 - success
 2024 
  * eax = 0 - success
2024 
  * eax = 1 - the thread is not owner of selected IRQ
 2025 
  * eax = 1 - the thread is not owner of selected IRQ
2025 
Remarks:
 2026 
Remarks:
2026 
  * Previously the thread must reserve for itself selected IRQ
 2027 
  * Previously the thread must reserve for itself selected IRQ
2027 
    by function 45.
 2028 
    by function 45.
2028 
  * First 16 ports are considered only.
 2029 
  * First 16 ports are considered only.
2029 
  * The current implementation considers incorrect value of field +3
 2030 
  * The current implementation considers incorrect value of field +3
2030 
    as a signal to terminate IRQ processing.
 2031 
    as a signal to terminate IRQ processing.
2031 
 
 2032 
 
2032 
======================================================================
 2033 
======================================================================
2033 
=================== Function 45 - reserve/free IRQ. ==================
 2034 
=================== Function 45 - reserve/free IRQ. ==================
2034 
======================================================================
 2035 
======================================================================
2035 
Parameters:
 2036 
Parameters:
2036 
  * eax = 45 - function number
 2037 
  * eax = 45 - function number
2037 
  * ebx = 0 - reserve, 1 = free
 2038 
  * ebx = 0 - reserve, 1 = free
2038 
  * ecx = IRQ number, 0..15
 2039 
  * ecx = IRQ number, 0..15
2039 
Returned value:
 2040 
Returned value:
2040 
  * eax = 0 - success
 2041 
  * eax = 0 - success
2041 
  * eax = 1 - error (invalid IRQ number
 2042 
  * eax = 1 - error (invalid IRQ number
2042 
    or attempt to reserve not free IRQ
 2043 
    or attempt to reserve not free IRQ
2043 
    or to free IRQ, not reserved by this thread)
 2044 
    or to free IRQ, not reserved by this thread)
2044 
Remarks:
 2045 
Remarks:
2045 
  * IRQ reservation is required for functions 42 and 44.
 2046 
  * IRQ reservation is required for functions 42 and 44.
2046 
  * Only one thread can reserve the specific IRQ.
 2047 
  * Only one thread can reserve the specific IRQ.
2047 
  * IRQs, handled by the system itself, are reserved by the system
 2048 
  * IRQs, handled by the system itself, are reserved by the system
2048 
    (thread 1) at booting.
 2049 
    (thread 1) at booting.
2049 
  * When a thread terminates, all reserved by it IRQs
 2050 
  * When a thread terminates, all reserved by it IRQs
2050 
    are freed automatically.
 2051 
    are freed automatically.
2051 
 
 2052 
 
2052 
======================================================================
 2053 
======================================================================
2053 
====== Function 46 - reserve/free a group of input/output ports. =====
 2054 
====== Function 46 - reserve/free a group of input/output ports. =====
2054 
======================================================================
 2055 
======================================================================
2055 
To work with reserved ports an application can access directly by
 2056 
To work with reserved ports an application can access directly by
2056 
commands in/out (recommended way) and can use function 43
 2057 
commands in/out (recommended way) and can use function 43
2057 
(not recommended way).
 2058 
(not recommended way).
2058 
Parameters:
 2059 
Parameters:
2059 
  * eax = 46 - function number
 2060 
  * eax = 46 - function number
2060 
  * ebx = 0 - reserve, 1 - free
 2061 
  * ebx = 0 - reserve, 1 - free
2061 
  * ecx = start port number
 2062 
  * ecx = start port number
2062 
  * edx = end port number (inclusive)
 2063 
  * edx = end port number (inclusive)
2063 
Returned value:
 2064 
Returned value:
2064 
  * eax = 0 - success
 2065 
  * eax = 0 - success
2065 
  * eax = 1 - error
 2066 
  * eax = 1 - error
2066 
Remarks:
 2067 
Remarks:
2067 
  * For ports reservation: an error occurs if and only if
 2068 
  * For ports reservation: an error occurs if and only if
2068 
    one from the following condition satisfies:
 2069 
    one from the following condition satisfies:
2069 
    * start port is more than end port;
 2070 
    * start port is more than end port;
2070 
    * the selected range contains incorrect port number
 2071 
    * the selected range contains incorrect port number
2071 
      (correct are from 0 to 0xFFFF);
 2072 
      (correct are from 0 to 0xFFFF);
2072 
    * limit for the total number of reserved areas is exceeded
 2073 
    * limit for the total number of reserved areas is exceeded
2073 
      (maximum 255 are allowed);
 2074 
      (maximum 255 are allowed);
2074 
    * the selected range intersects with any of earlier reserved
 2075 
    * the selected range intersects with any of earlier reserved
2075 
  * For ports free: an error is an attempt to free range,
 2076 
  * For ports free: an error is an attempt to free range,
2076 
    that was not earlier reserved by this function
 2077 
    that was not earlier reserved by this function
2077 
    (with same ecx,edx).
 2078 
    (with same ecx,edx).
2078 
  * If an error occurs (for both cases) function performs no action.
 2079 
  * If an error occurs (for both cases) function performs no action.
2079 
  * At booting the system reserves for itself ports
 2080 
  * At booting the system reserves for itself ports
2080 
    0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (inclusively).
 2081 
    0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (inclusively).
2081 
  * When a thread terminates, all reserved by it ports
 2082 
  * When a thread terminates, all reserved by it ports
2082 
    are freed automatically.
 2083 
    are freed automatically.
2083 
 
 2084 
 
2084 
======================================================================
 2085 
======================================================================
2085 
============= Function 47 - draw a number in the window. =============
 2086 
============= Function 47 - draw a number in the window. =============
2086 
======================================================================
 2087 
======================================================================
2087 
Parameters:
 2088 
Parameters:
2088 
  * eax = 47 - function number
 2089 
  * eax = 47 - function number
2089 
  * ebx = parameters of conversion number to text:
 2090 
  * ebx = parameters of conversion number to text:
2090 
    * bl = 0 - ecx contains number
 2091 
    * bl = 0 - ecx contains number
2091 
    * bl = 1 - ecx contains pointer to dword-number
 2092 
    * bl = 1 - ecx contains pointer to dword-number
2092 
    * bh = 0 - display in decimal number system
 2093 
    * bh = 0 - display in decimal number system
2093 
    * bh = 1 - display in hexadecimal system
 2094 
    * bh = 1 - display in hexadecimal system
2094 
    * bh = 2 - display in binary system
 2095 
    * bh = 2 - display in binary system
2095 
    * bits 16-21 = how many digits to display
 2096 
    * bits 16-21 = how many digits to display
2096 
    * bits 22-31 reserved and must be set to 0
 2097 
    * bits 22-31 reserved and must be set to 0
2097 
  * ecx = number (if bl=0) or pointer (if bl=1)
 2098 
  * ecx = number (if bl=0) or pointer (if bl=1)
2098 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 2099 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
2099 
  * esi = 0xX0RRGGBB:
 2100 
  * esi = 0xX0RRGGBB:
2100 
    * RR, GG, BB specify the color
 2101 
    * RR, GG, BB specify the color
2101 
    * X = ABnn (bits)
 2102 
    * X = ABnn (bits)
2102 
    * nn = font (0/1)
 2103 
    * nn = font (0/1)
2103 
    * A is ignored
 2104 
    * A is ignored
2104 
    * B=1 - fill background with the color edi
 2105 
    * B=1 - fill background with the color edi
2105 
Returned value:
 2106 
Returned value:
2106 
  * function does not return value
 2107 
  * function does not return value
2107 
Remarks:
 2108 
Remarks:
2108 
  * The given length must not exceed 60.
 2109 
  * The given length must not exceed 60.
2109 
  * The exactly given amount of digits is output. If number is small
 2110 
  * The exactly given amount of digits is output. If number is small
2110 
    and can be written by smaller amount of digits, it is supplemented
 2111 
    and can be written by smaller amount of digits, it is supplemented
2111 
    by leading zeroes; if the number is big and can not be written by
 2112 
    by leading zeroes; if the number is big and can not be written by
2112 
    given amount of digits, extra digits are not drawn.
 2113 
    given amount of digits, extra digits are not drawn.
2113 
  * Parameters of fonts are shown in the description of function 4
 2114 
  * Parameters of fonts are shown in the description of function 4
2114 
    (text output).
 2115 
    (text output).
2115 
 
 2116 
 
2116 
======================================================================
 2117 
======================================================================
2117 
========= Function 48, subfunction 0 - apply screen settings. ========
 2118 
========= Function 48, subfunction 0 - apply screen settings. ========
2118 
======================================================================
 2119 
======================================================================
2119 
Parameters:
 2120 
Parameters:
2120 
  * eax = 48 - function number
 2121 
  * eax = 48 - function number
2121 
  * ebx = 0 - subfunction number
 2122 
  * ebx = 0 - subfunction number
2122 
  * ecx = 0 - reserved
 2123 
  * ecx = 0 - reserved
2123 
Returned value:
 2124 
Returned value:
2124 
  * function does not return value
 2125 
  * function does not return value
2125 
Remarks:
 2126 
Remarks:
2126 
  * Function redraws the screen after parameters change by
 2127 
  * Function redraws the screen after parameters change by
2127 
    subfunctions 1 and 2.
 2128 
    subfunctions 1 and 2.
2128 
  * Function call without prior call to one of indicated subfunctions
 2129 
  * Function call without prior call to one of indicated subfunctions
2129 
    is ignored.
 2130 
    is ignored.
2130 
  * Function call with nonzero ecx is ignored.
 2131 
  * Function call with nonzero ecx is ignored.
2131 
 
 2132 
 
2132 
======================================================================
 2133 
======================================================================
2133 
=========== Function 48, subfunction 1 - set button style. ===========
 2134 
=========== Function 48, subfunction 1 - set button style. ===========
2134 
======================================================================
 2135 
======================================================================
2135 
Parameters:
 2136 
Parameters:
2136 
  * eax = 48 - function number
 2137 
  * eax = 48 - function number
2137 
  * ebx = 1 - subfunction number
 2138 
  * ebx = 1 - subfunction number
2138 
  * ecx = button style:
 2139 
  * ecx = button style:
2139 
    * 0 = flat
 2140 
    * 0 = flat
2140 
    * 1 = 3d
 2141 
    * 1 = 3d
2141 
Returned value:
 2142 
Returned value:
2142 
  * function does not return value
 2143 
  * function does not return value
2143 
Remarks:
 2144 
Remarks:
2144 
  * After call to this function one should redraw the screen by
 2145 
  * After call to this function one should redraw the screen by
2145 
    subfunction 0.
 2146 
    subfunction 0.
2146 
  * Button style influences only to their draw of function 8.
 2147 
  * Button style influences only to their draw of function 8.
2147 
 
 2148 
 
2148 
======================================================================
 2149 
======================================================================
2149 
====== Function 48, subfunction 2 - set standard window colors. ======
 2150 
====== Function 48, subfunction 2 - set standard window colors. ======
2150 
======================================================================
 2151 
======================================================================
2151 
Parameters:
 2152 
Parameters:
2152 
  * eax = 48 - function number
 2153 
  * eax = 48 - function number
2153 
  * ebx = 2 - subfunction number
 2154 
  * ebx = 2 - subfunction number
2154 
  * ecx = pointer to the color table
 2155 
  * ecx = pointer to the color table
2155 
  * edx = size of the color table
 2156 
  * edx = size of the color table
2156 
    (must be 40 bytes for future compatibility)
 2157 
    (must be 40 bytes for future compatibility)
2157 
Format of the color table is shown in description of subfunction 3.
 2158 
Format of the color table is shown in description of subfunction 3.
2158 
Returned value:
 2159 
Returned value:
2159 
  * function does not return value
 2160 
  * function does not return value
2160 
Remarks:
 2161 
Remarks:
2161 
  * After call to this function one should redraw the screen by
 2162 
  * After call to this function one should redraw the screen by
2162 
    subfunction 0.
 2163 
    subfunction 0.
2163 
  * Table of standard colors influences only to applications,
 2164 
  * Table of standard colors influences only to applications,
2164 
    which receive this table obviously (by subfunction 3)
 2165 
    which receive this table obviously (by subfunction 3)
2165 
    and use it (specifying colors from it to drawing functions).
 2166 
    and use it (specifying colors from it to drawing functions).
2166 
  * Table of standard colors is included in skin and is installed
 2167 
  * Table of standard colors is included in skin and is installed
2167 
    anew with skin installation (by subfunction 8).
 2168 
    anew with skin installation (by subfunction 8).
2168 
  * Color table can be viewed/changed interactively with
 2169 
  * Color table can be viewed/changed interactively with
2169 
    the application 'desktop'.
 2170 
    the application 'desktop'.
2170 
 
 2171 
 
2171 
======================================================================
 2172 
======================================================================
2172 
====== Function 48, subfunction 3 - get standard window colors. ======
 2173 
====== Function 48, subfunction 3 - get standard window colors. ======
2173 
======================================================================
 2174 
======================================================================
2174 
Parameters:
 2175 
Parameters:
2175 
  * eax = 48 - function number
 2176 
  * eax = 48 - function number
2176 
  * ebx = 3 - subfunction number
 2177 
  * ebx = 3 - subfunction number
2177 
  * ecx = pointer to the buffer with size edx bytes,
 2178 
  * ecx = pointer to the buffer with size edx bytes,
2178 
    where table will be written
 2179 
    where table will be written
2179 
  * edx = size of color table
 2180 
  * edx = size of color table
2180 
    (must be 40 bytes for future compatibility)
 2181 
    (must be 40 bytes for future compatibility)
2181 
Returned value:
 2182 
Returned value:
2182 
  * function does not return value
 2183 
  * function does not return value
2183 
Format of the color table:
 2184 
Format of the color table:
2184 
each item is dword-value for color 0x00RRGGBB
 2185 
each item is dword-value for color 0x00RRGGBB
2185 
  * +0: dword: frames - color of frame
 2186 
  * +0: dword: frames - color of frame
2186 
  * +4: dword: grab - color of header
 2187 
  * +4: dword: grab - color of header
2187 
  * +8: dword: grab_button - color of button on header bar
 2188 
  * +8: dword: grab_button - color of button on header bar
2188 
  * +12 = +0xC: dword: grab_button_text - color of text on button
 2189 
  * +12 = +0xC: dword: grab_button_text - color of text on button
2189 
    on header bar
 2190 
    on header bar
2190 
  * +16 = +0x10: dword: grab_text - color of text on header
 2191 
  * +16 = +0x10: dword: grab_text - color of text on header
2191 
  * +20 = +0x14: dword: work - color of working area
 2192 
  * +20 = +0x14: dword: work - color of working area
2192 
  * +24 = +0x18: dword: work_button - color of button in working area
 2193 
  * +24 = +0x18: dword: work_button - color of button in working area
2193 
  * +28 = +0x1C: dword: work_button_text - color of text on button
 2194 
  * +28 = +0x1C: dword: work_button_text - color of text on button
2194 
    in working area
 2195 
    in working area
2195 
  * +32 = +0x20: dword: work_text - color of text in working area
 2196 
  * +32 = +0x20: dword: work_text - color of text in working area
2196 
  * +36 = +0x24: dword: work_graph - color of graphics in working area
 2197 
  * +36 = +0x24: dword: work_graph - color of graphics in working area
2197 
Remarks:
 2198 
Remarks:
2198 
  * Structure of the color table is described in the standard
 2199 
  * Structure of the color table is described in the standard
2199 
    include file 'macros.inc' as 'system_colors'; for example,
 2200 
    include file 'macros.inc' as 'system_colors'; for example,
2200 
    it is possible to write:
 2201 
    it is possible to write:
2201 
    	sc	system_colors		; variable declaration
 2202 
    	sc	system_colors		; variable declaration
2202 
    	...				; somewhere one must call
 2203 
    	...				; somewhere one must call
2203 
    					; this function with ecx=sc
 2204 
    					; this function with ecx=sc
2204 
    	mov	ecx, [sc.work_button_text]	; read text color on
 2205 
    	mov	ecx, [sc.work_button_text]	; read text color on
2205 
    					; buttin in working area
 2206 
    					; buttin in working area
2206 
  * A program itself desides to use or not to use color table.
 2207 
  * A program itself desides to use or not to use color table.
2207 
    For usage program must simply at calls to drawing functions select
 2208 
    For usage program must simply at calls to drawing functions select
2208 
    color taken from the table.
 2209 
    color taken from the table.
2209 
  * At change of the table of standard colors (by subfunction 2 with
 2210 
  * At change of the table of standard colors (by subfunction 2 with
2210 
    the subsequent application of changes by subfunction 0 or
 2211 
    the subsequent application of changes by subfunction 0 or
2211 
    at skin set by subfunction 8) the system sends to all windows
 2212 
    at skin set by subfunction 8) the system sends to all windows
2212 
    redraw message (the event with code 1).
 2213 
    redraw message (the event with code 1).
2213 
  * Color table can be viewed/changed interactively with
 2214 
  * Color table can be viewed/changed interactively with
2214 
    the application 'desktop'.
 2215 
    the application 'desktop'.
2215 
 
 2216 
 
2216 
======================================================================
 2217 
======================================================================
2217 
============ Function 48, subfunction 4 - get skin height. ===========
 2218 
============ Function 48, subfunction 4 - get skin height. ===========
2218 
======================================================================
 2219 
======================================================================
2219 
Parameters:
 2220 
Parameters:
2220 
  * eax = 48 - function number
 2221 
  * eax = 48 - function number
2221 
  * ebx = 4 - subfunction number
 2222 
  * ebx = 4 - subfunction number
2222 
Returned value:
 2223 
Returned value:
2223 
  * eax = skin height
 2224 
  * eax = skin height
2224 
Remarks:
 2225 
Remarks:
2225 
  * Skin height is defined as the height of a header
 2226 
  * Skin height is defined as the height of a header
2226 
    of skinned windows.
 2227 
    of skinned windows.
2227 
  * See also general structure of window in the description
 2228 
  * See also general structure of window in the description
2228 
    of function 0.
 2229 
    of function 0.
2229 
 
 2230 
 
2230 
======================================================================
 2231 
======================================================================
2231 
======== Function 48, subfunction 5 - get screen working area. =======
 2232 
======== Function 48, subfunction 5 - get screen working area. =======
2232 
======================================================================
 2233 
======================================================================
2233 
Parameters:
 2234 
Parameters:
2234 
  * eax = 48 - function number
 2235 
  * eax = 48 - function number
2235 
  * ebx = 5 - subfunction number
 2236 
  * ebx = 5 - subfunction number
2236 
Returned value:
 2237 
Returned value:
2237 
  * eax = [left]*65536 + [right]
 2238 
  * eax = [left]*65536 + [right]
2238 
  * ebx = [top]*65536 + [bottom]
 2239 
  * ebx = [top]*65536 + [bottom]
2239 
Remarks:
 2240 
Remarks:
2240 
  * The screen working area defines position and coordinates of
 2241 
  * The screen working area defines position and coordinates of
2241 
    a maximized window.
 2242 
    a maximized window.
2242 
  * The screen working area in view of normal work is all screen
 2243 
  * The screen working area in view of normal work is all screen
2243 
    without system panel (the application '@panel').
 2244 
    without system panel (the application '@panel').
2244 
  * (left,top) are coordinates of the left upper corner,
 2245 
  * (left,top) are coordinates of the left upper corner,
2245 
    (right,bottom) are coordinates of the right lower one.
 2246 
    (right,bottom) are coordinates of the right lower one.
2246 
    Thus the size of working area on x axis can be calculated by
 2247 
    Thus the size of working area on x axis can be calculated by
2247 
    formula right-left+1, on y axis - by formula bottom-right+1.
 2248 
    formula right-left+1, on y axis - by formula bottom-right+1.
2248 
  * See also function 14,
 2249 
  * See also function 14,
2249 
    to get sizes of all screen.
 2250 
    to get sizes of all screen.
2250 
  * There is a pair function to set working area - subfunction 6.
 2251 
  * There is a pair function to set working area - subfunction 6.
2251 
 
 2252 
 
2252 
======================================================================
 2253 
======================================================================
2253 
======== Function 48, subfunction 6 - set screen working area. =======
 2254 
======== Function 48, subfunction 6 - set screen working area. =======
2254 
======================================================================
 2255 
======================================================================
2255 
Parameters:
 2256 
Parameters:
2256 
  * eax = 48 - function number
 2257 
  * eax = 48 - function number
2257 
  * ebx = 6 - subfunction number
 2258 
  * ebx = 6 - subfunction number
2258 
  * ecx = [left]*65536 + [right]
 2259 
  * ecx = [left]*65536 + [right]
2259 
  * edx = [top]*65536 + [bottom]
 2260 
  * edx = [top]*65536 + [bottom]
2260 
Returned value:
 2261 
Returned value:
2261 
  * function does not return value
 2262 
  * function does not return value
2262 
Remarks:
 2263 
Remarks:
2263 
  * The screen working area defines position and coordinates of
 2264 
  * The screen working area defines position and coordinates of
2264 
    a maximized window.
 2265 
    a maximized window.
2265 
  * This function is used only by the application '@panel',
 2266 
  * This function is used only by the application '@panel',
2266 
    which set working area to all screen without system panel.
 2267 
    which set working area to all screen without system panel.
2267 
  * (left,top) are coordinates of the left upper corner,
 2268 
  * (left,top) are coordinates of the left upper corner,
2268 
    (right,bottom) are coordinates of the right lower one.
 2269 
    (right,bottom) are coordinates of the right lower one.
2269 
    Thus the size of working area on x axis can be calculated by
 2270 
    Thus the size of working area on x axis can be calculated by
2270 
    formula right-left+1, on y axis - by formula bottom-right+1.
 2271 
    formula right-left+1, on y axis - by formula bottom-right+1.
2271 
  * If 'left'>='right', x-coordinate of working area is not changed.
 2272 
  * If 'left'>='right', x-coordinate of working area is not changed.
2272 
    If 'left'<0, 'left' will not be set. If 'right' is greater than or
 2273 
    If 'left'<0, 'left' will not be set. If 'right' is greater than or
2273 
    equal to screen width, 'right' will not be set.
 2274 
    equal to screen width, 'right' will not be set.
2274 
    Similarly on y axis.
 2275 
    Similarly on y axis.
2275 
  * See also function 14,
 2276 
  * See also function 14,
2276 
    to get sizes of all screen.
 2277 
    to get sizes of all screen.
2277 
  * There is a pair function to get working area - subfunction 5.
 2278 
  * There is a pair function to get working area - subfunction 5.
2278 
  * This function redraws the screen automatically,
 2279 
  * This function redraws the screen automatically,
2279 
    updating coordinates and sizes of maximized windows.
 2280 
    updating coordinates and sizes of maximized windows.
2280 
    The system sends to all windows redraw message (the event 1).
 2281 
    The system sends to all windows redraw message (the event 1).
2281 
 
 2282 
 
2282 
======================================================================
 2283 
======================================================================
2283 
=========== Function 48, subfunction 7 - get skin margins. ===========
 2284 
=========== Function 48, subfunction 7 - get skin margins. ===========
2284 
======================================================================
 2285 
======================================================================
2285 
Returns the area of a header of a skinned window, intended for
 2286 
Returns the area of a header of a skinned window, intended for
2286 
a text of a header.
 2287 
a text of a header.
2287 
Parameters:
 2288 
Parameters:
2288 
  * eax = 48 - function number
 2289 
  * eax = 48 - function number
2289 
  * ebx = 7 - subfunction number
 2290 
  * ebx = 7 - subfunction number
2290 
Returned value:
 2291 
Returned value:
2291 
  * eax = [left]*65536 + [right]
 2292 
  * eax = [left]*65536 + [right]
2292 
  * ebx = [top]*65536 + [bottom]
 2293 
  * ebx = [top]*65536 + [bottom]
2293 
Remarks:
 2294 
Remarks:
2294 
  * An application decides itself to use or not to use this function.
 2295 
  * An application decides itself to use or not to use this function.
2295 
  * It is recommended to take into account returned value
 2296 
  * It is recommended to take into account returned value
2296 
    of this function for choice of a place for drawing header text
 2297 
    of this function for choice of a place for drawing header text
2297 
    (by function 4) or a substitute of header text
 2298 
    (by function 4) or a substitute of header text
2298 
    (at the discretion of an application).
 2299 
    (at the discretion of an application).
2299 
 
 2300 
 
2300 
======================================================================
 2301 
======================================================================
2301 
============= Function 48, subfunction 8 - set used skin. ============
 2302 
============= Function 48, subfunction 8 - set used skin. ============
2302 
======================================================================
 2303 
======================================================================
2303 
Parameters:
 2304 
Parameters:
2304 
  * eax = 48 - function number
 2305 
  * eax = 48 - function number
2305 
  * ebx = 8 - subfunction number
 2306 
  * ebx = 8 - subfunction number
2306 
  * ecx = pointer to a block for function 58, in
 2307 
  * ecx = pointer to a block for function 58, in
2307 
    which the fields of intermediate buffer and file name are filled
 2308 
    which the fields of intermediate buffer and file name are filled
2308 
Returned value:
 2309 
Returned value:
2309 
  * eax = 0 - success
 2310 
  * eax = 0 - success
2310 
  * otherwise eax = file system error code; if file does not
 2311 
  * otherwise eax = file system error code; if file does not
2311 
    contain valid skin, function returns error 3
 2312 
    contain valid skin, function returns error 3
2312 
    (unknown file system).
 2313 
    (unknown file system).
2313 
Remarks:
 2314 
Remarks:
2314 
  * After successful skin loading the system sends to all windows
 2315 
  * After successful skin loading the system sends to all windows
2315 
    redraw message (the event 1).
 2316 
    redraw message (the event 1).
2316 
  * At booting the system reads skin from file 'default.skn'
 2317 
  * At booting the system reads skin from file 'default.skn'
2317 
    on ramdisk.
 2318 
    on ramdisk.
2318 
  * User can change the skin statically by creating hisself
 2319 
  * User can change the skin statically by creating hisself
2319 
    'default.skn' or dynamically with the application 'desktop'.
 2320 
    'default.skn' or dynamically with the application 'desktop'.
2320 
 
 2321 
 
2321 
======================================================================
 2322 
======================================================================
2322 
=========== Function 49 - Advanced Power Management (APM). ===========
 2323 
=========== Function 49 - Advanced Power Management (APM). ===========
2323 
======================================================================
 2324 
======================================================================
2324 
Parameters:
 2325 
Parameters:
2325 
  * eax = 49 - function number
 2326 
  * eax = 49 - function number
2326 
  * dx = number of the APM function
 2327 
  * dx = number of the APM function
2327 
    (analogue of ax in APM specification)
 2328 
    (analogue of ax in APM specification)
2328 
  * bx, cx = parameters of the APM function
 2329 
  * bx, cx = parameters of the APM function
2329 
Returned value:
 2330 
Returned value:
2330 
  * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF
 2331 
  * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF
2331 
    are set according to the APM specification
 2332 
    are set according to the APM specification
2332 
  * high halves of 32-bit registers eax, ebx, ecx,
 2333 
  * high halves of 32-bit registers eax, ebx, ecx,
2333 
    edx, esi, edi are destroyed
 2334 
    edx, esi, edi are destroyed
2334 
Remarks:
 2335 
Remarks:
2335 
  * APM 1.2 specification is described in the document
 2336 
  * APM 1.2 specification is described in the document
2336 
    "Advanced Power Management (APM) BIOS Specification"
 2337 
    "Advanced Power Management (APM) BIOS Specification"
2337 
    (Revision 1.2), available at
 2338 
    (Revision 1.2), available at
2338 
    http://www.microsoft.com/whdc/archive/amp_12.mspx;
 2339 
    http://www.microsoft.com/whdc/archive/amp_12.mspx;
2339 
    besides it is included in famous Interrupt List by Ralf Brown
 2340 
    besides it is included in famous Interrupt List by Ralf Brown
2340 
    (http://www.pobox.com/~ralf/files.html,
 2341 
    (http://www.pobox.com/~ralf/files.html,
2341 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/).
 2342 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/).
2342 
 
 2343 
 
2343 
======================================================================
 2344 
======================================================================
2344 
=================== Function 50 - set window shape. ==================
 2345 
=================== Function 50 - set window shape. ==================
2345 
======================================================================
 2346 
======================================================================
2346 
Normal windows have rectangular shape. This function can give to
 2347 
Normal windows have rectangular shape. This function can give to
2347 
a window any shape. The shape is given by a set of points inside
 2348 
a window any shape. The shape is given by a set of points inside
2348 
the base rectangle belonging to a window. Position and coordinates
 2349 
the base rectangle belonging to a window. Position and coordinates
2349 
of the base rectangle are set by function 0
 2350 
of the base rectangle are set by function 0
2350 
and changed by function 67.
 2351 
and changed by function 67.
2351 
 
 2352 
 
2352 
--------------------------- Set shape data ---------------------------
 2353 
--------------------------- Set shape data ---------------------------
2353 
Parameters:
 2354 
Parameters:
2354 
  * eax = 50 - function number
 2355 
  * eax = 50 - function number
2355 
  * ebx = 0 - subfunction number
 2356 
  * ebx = 0 - subfunction number
2356 
  * ecx = pointer to shape data (array of bytes 0/1)
 2357 
  * ecx = pointer to shape data (array of bytes 0/1)
2357 
Returned value:
 2358 
Returned value:
2358 
  * function does not return value
 2359 
  * function does not return value
2359 
 
 2360 
 
2360 
-------------------------- Set shape scale ---------------------------
 2361 
-------------------------- Set shape scale ---------------------------
2361 
Parameters:
 2362 
Parameters:
2362 
  * eax = 50 - function number
 2363 
  * eax = 50 - function number
2363 
  * ebx = 1 - subfunction number
 2364 
  * ebx = 1 - subfunction number
2364 
  * ecx sets a scale: each byte of data defines
 2365 
  * ecx sets a scale: each byte of data defines
2365 
    (2^scale)*(2^scale) pixels
 2366 
    (2^scale)*(2^scale) pixels
2366 
Returned value:
 2367 
Returned value:
2367 
  * function does not return value
 2368 
  * function does not return value
2368 
Remarks:
 2369 
Remarks:
2369 
  * Default scale is 0 (scale factor is 1). If in the shape data
 2370 
  * Default scale is 0 (scale factor is 1). If in the shape data
2370 
    one byte corresponds to one pixel, there is no necessity
 2371 
    one byte corresponds to one pixel, there is no necessity
2371 
    to set scale.
 2372 
    to set scale.
2372 
  * Let's designate xsize = window width (in pixels), ysize = height;
 2373 
  * Let's designate xsize = window width (in pixels), ysize = height;
2373 
    pay attention, that they are one pixel more than defined by
 2374 
    pay attention, that they are one pixel more than defined by
2374 
    functions 0, 67.
 2375 
    functions 0, 67.
2375 
  * On definition of scale xsize and ysize must be divisible
 2376 
  * On definition of scale xsize and ysize must be divisible
2376 
    on 2^scale.
 2377 
    on 2^scale.
2377 
  * Byte of data on offset 'a' must be 0/1 and defines belonging
 2378 
  * Byte of data on offset 'a' must be 0/1 and defines belonging
2378 
    to a window of square with the side 2^scale (if scale=0,
 2379 
    to a window of square with the side 2^scale (if scale=0,
2379 
    this is one pixel) and coordinates of the left upper corner
 2380 
    this is one pixel) and coordinates of the left upper corner
2380 
    (a mod (xsize shr scale), a div (xsize shr scale))
 2381 
    (a mod (xsize shr scale), a div (xsize shr scale))
2381 
  * Data size: (xsize shr scale)*(ysize shr scale).
 2382 
  * Data size: (xsize shr scale)*(ysize shr scale).
2382 
  * Data must be presented in the memory and not change
 2383 
  * Data must be presented in the memory and not change
2383 
    after set of shape.
 2384 
    after set of shape.
2384 
  * The system views the shape data at every window redraw by
 2385 
  * The system views the shape data at every window redraw by
2385 
    function 0.
 2386 
    function 0.
2386 
  * The call of subfunction 0 with NULL pointer results in return
 2387 
  * The call of subfunction 0 with NULL pointer results in return
2387 
    to the rectangular shape.
 2388 
    to the rectangular shape.
2388 
 
 2389 
 
2389 
======================================================================
 2390 
======================================================================
2390 
==================== Function 51 - create thread. ====================
 2391 
==================== Function 51 - create thread. ====================
2391 
======================================================================
 2392 
======================================================================
2392 
Parameters:
 2393 
Parameters:
2393 
  * eax = 51 - function number
 2394 
  * eax = 51 - function number
2394 
  * ebx = 1 - unique subfunction
 2395 
  * ebx = 1 - unique subfunction
2395 
  * ecx = address of thread entry point (starting eip)
 2396 
  * ecx = address of thread entry point (starting eip)
2396 
  * edx = pointer to thread stack (starting esp)
 2397 
  * edx = pointer to thread stack (starting esp)
2397 
Returned value:
 2398 
Returned value:
2398 
  * eax = -1 - error (there is too many threads)
 2399 
  * eax = -1 - error (there is too many threads)
2399 
  * otherwise eax = TID - thread identifier
 2400 
  * otherwise eax = TID - thread identifier
2400
2401
2401 
 
 2402 
 
2402 
======================================================================
 2403 
======================================================================
2403 
=== Function 52, subfunction 0 - get network driver configuration. ===
 2404 
=== Function 52, subfunction 0 - get network driver configuration. ===
2404 
======================================================================
 2405 
======================================================================
2405 
Parameters:
 2406 
Parameters:
2406 
  * eax = 52 - function number
 2407 
  * eax = 52 - function number
2407 
  * ebx = 0 - subfunction number
 2408 
  * ebx = 0 - subfunction number
2408 
Returned value:
 2409 
Returned value:
2409 
  * eax = configuration dword
 2410 
  * eax = configuration dword
2410 
Remarks:
 2411 
Remarks:
2411 
  * Configuration dword can be set by subfunction 2.
 2412 
  * Configuration dword can be set by subfunction 2.
2412 
  * The kernel does not use this variable. The value of this
 2413 
  * The kernel does not use this variable. The value of this
2413 
    variable and working with it subfunctions 0 and 2 is represented
 2414 
    variable and working with it subfunctions 0 and 2 is represented
2414 
    doubtful.
 2415 
    doubtful.
2415 
 
 2416 
 
2416 
======================================================================
 2417 
======================================================================
2417 
========= Function 52, subfunction 1 - get local IP-address. =========
 2418 
========= Function 52, subfunction 1 - get local IP-address. =========
2418 
======================================================================
 2419 
======================================================================
2419 
Parameters:
 2420 
Parameters:
2420 
  * eax = 52 - function number
 2421 
  * eax = 52 - function number
2421 
  * ebx = 1 - subfunction number
 2422 
  * ebx = 1 - subfunction number
2422 
Returned value:
 2423 
Returned value:
2423 
  * eax = IP-address (4 bytes)
 2424 
  * eax = IP-address (4 bytes)
2424 
Remarks:
 2425 
Remarks:
2425 
  * Local IP-address is set by subfunction 3.
 2426 
  * Local IP-address is set by subfunction 3.
2426 
 
 2427 
 
2427 
======================================================================
 2428 
======================================================================
2428 
=== Function 52, subfunction 2 - set network driver configuration. ===
 2429 
=== Function 52, subfunction 2 - set network driver configuration. ===
2429 
======================================================================
 2430 
======================================================================
2430 
Parameters:
 2431 
Parameters:
2431 
  * eax = 52 - function number
 2432 
  * eax = 52 - function number
2432 
  * ebx = 2 - subfunction number
 2433 
  * ebx = 2 - subfunction number
2433 
  * ecx = configuration dword; if low 7 bits derivate the number 3,
 2434 
  * ecx = configuration dword; if low 7 bits derivate the number 3,
2434 
    function [re-]initializes Ethernet-card, otherwise
 2435 
    function [re-]initializes Ethernet-card, otherwise
2435 
    Ethernet turns off
 2436 
    Ethernet turns off
2436 
Returned value:
 2437 
Returned value:
2437 
  * if Ethernet-interface is not requested, function returns eax=2,
 2438 
  * if Ethernet-interface is not requested, function returns eax=2,
2438 
    but this can be changed in future kernel versions
 2439 
    but this can be changed in future kernel versions
2439 
  * if Ethernet-interface is requested, eax=0 means error
 2440 
  * if Ethernet-interface is requested, eax=0 means error
2440 
    (absence of Ethernet-card), and nonzero value - success
 2441 
    (absence of Ethernet-card), and nonzero value - success
2441 
Remarks:
 2442 
Remarks:
2442 
  * Configuration dword can be read by subfunction 0.
 2443 
  * Configuration dword can be read by subfunction 0.
2443 
  * The kernel does not use this variable. The value of this
 2444 
  * The kernel does not use this variable. The value of this
2444 
    variable, subfunction 0 and part of subfunction 2, which set it,
 2445 
    variable, subfunction 0 and part of subfunction 2, which set it,
2445 
    is represented doubtful.
 2446 
    is represented doubtful.
2446 
 
 2447 
 
2447 
======================================================================
 2448 
======================================================================
2448 
========= Function 52, subfunction 3 - set local IP-address. =========
 2449 
========= Function 52, subfunction 3 - set local IP-address. =========
2449 
======================================================================
 2450 
======================================================================
2450 
Parameters:
 2451 
Parameters:
2451 
  * eax = 52 - function number
 2452 
  * eax = 52 - function number
2452 
  * ebx = 3 - subfunction number
 2453 
  * ebx = 3 - subfunction number
2453 
  * ecx = IP-address (4 bytes)
 2454 
  * ecx = IP-address (4 bytes)
2454 
Returned value:
 2455 
Returned value:
2455 
  * the current implementation returns eax=3, but this can be changed
 2456 
  * the current implementation returns eax=3, but this can be changed
2456 
    in future versions
 2457 
    in future versions
2457 
Remarks:
 2458 
Remarks:
2458 
  * Local IP-address can be get by subfunction 1.
 2459 
  * Local IP-address can be get by subfunction 1.
2459 
 
 2460 
 
2460 
======================================================================
 2461 
======================================================================
2461 
= Function 52, subfunction 6 - add data to the stack of input queue. =
 2462 
= Function 52, subfunction 6 - add data to the stack of input queue. =
2462 
======================================================================
 2463 
======================================================================
2463 
Parameters:
 2464 
Parameters:
2464 
  * eax = 52 - function number
 2465 
  * eax = 52 - function number
2465 
  * ebx = 6 - subfunction number
 2466 
  * ebx = 6 - subfunction number
2466 
  * edx = data size
 2467 
  * edx = data size
2467 
  * esi = data pointer
 2468 
  * esi = data pointer
2468 
Returned value:
 2469 
Returned value:
2469 
  * eax = -1 - error
 2470 
  * eax = -1 - error
2470 
  * eax = 0 - success
 2471 
  * eax = 0 - success
2471 
Remarks:
 2472 
Remarks:
2472 
  * This function is intended only for slow network drivers
 2473 
  * This function is intended only for slow network drivers
2473 
    (PPP, SLIP).
 2474 
    (PPP, SLIP).
2474 
  * Data size must not exceed 1500 bytes, though function
 2475 
  * Data size must not exceed 1500 bytes, though function
2475 
    performs no checks on correctness.
 2476 
    performs no checks on correctness.
2476 
 
 2477 
 
2477 
======================================================================
 2478 
======================================================================
2478 
 Function 52, subfunction 8 - read data from the network output queue.
2479 
 Function 52, subfunction 8 - read data from the network output queue.
2479 
======================================================================
 2480 
======================================================================
2480 
Parameters:
 2481 
Parameters:
2481 
  * eax = 52 - function number
 2482 
  * eax = 52 - function number
2482 
  * ebx = 8 - subfunction number
 2483 
  * ebx = 8 - subfunction number
2483 
  * esi = pointer to 1500-byte buffer
 2484 
  * esi = pointer to 1500-byte buffer
2484 
Returned value:
 2485 
Returned value:
2485 
  * eax = number of read bytes (in the current implementation
 2486 
  * eax = number of read bytes (in the current implementation
2486 
    either 0 = no data or 1500)
 2487 
    either 0 = no data or 1500)
2487 
  * data was copied in buffer
 2488 
  * data was copied in buffer
2488 
Remarks:
 2489 
Remarks:
2489 
  * This function is intended only for slow network drivers
 2490 
  * This function is intended only for slow network drivers
2490 
    (PPP, SLIP).
 2491 
    (PPP, SLIP).
2491 
 
 2492 
 
2492 
======================================================================
 2493 
======================================================================
2493 
============ Function 52, subfunction 9 - get gateway IP. ============
 2494 
============ Function 52, subfunction 9 - get gateway IP. ============
2494 
======================================================================
 2495 
======================================================================
2495 
Parameters:
 2496 
Parameters:
2496 
  * eax = 52 - function number
 2497 
  * eax = 52 - function number
2497 
  * ebx = 9 - subfunction number
 2498 
  * ebx = 9 - subfunction number
2498 
Returned value:
 2499 
Returned value:
2499 
  * eax = gateway IP (4 bytes)
 2500 
  * eax = gateway IP (4 bytes)
2500 
 
 2501 
 
2501 
======================================================================
 2502 
======================================================================
2502 
=========== Function 52, subfunction 10 - get subnet mask. ===========
 2503 
=========== Function 52, subfunction 10 - get subnet mask. ===========
2503 
======================================================================
 2504 
======================================================================
2504 
Parameters:
 2505 
Parameters:
2505 
  * eax = 52 - function number
 2506 
  * eax = 52 - function number
2506 
  * ebx = 10 - subfunction number
 2507 
  * ebx = 10 - subfunction number
2507 
Returned value:
 2508 
Returned value:
2508 
  * eax = subnet mask
 2509 
  * eax = subnet mask
2509 
 
 2510 
 
2510 
======================================================================
 2511 
======================================================================
2511 
============ Function 52, subfunction 11 - set gateway IP. ===========
 2512 
============ Function 52, subfunction 11 - set gateway IP. ===========
2512 
======================================================================
 2513 
======================================================================
2513 
Parameters:
 2514 
Parameters:
2514 
  * eax = 52 - function number
 2515 
  * eax = 52 - function number
2515 
  * ebx = 11 - subfunction number
 2516 
  * ebx = 11 - subfunction number
2516 
  * ecx = gateway IP (4 bytes)
 2517 
  * ecx = gateway IP (4 bytes)
2517 
Returned value:
 2518 
Returned value:
2518 
  * the current implementation returns eax=11, but this can be changed
 2519 
  * the current implementation returns eax=11, but this can be changed
2519 
    in future versions
 2520 
    in future versions
2520 
 
 2521 
 
2521 
======================================================================
 2522 
======================================================================
2522 
=========== Function 52, subfunction 12 - set subnet mask. ===========
 2523 
=========== Function 52, subfunction 12 - set subnet mask. ===========
2523 
======================================================================
 2524 
======================================================================
2524 
Parameters:
 2525 
Parameters:
2525 
  * eax = 52 - function number
 2526 
  * eax = 52 - function number
2526 
  * ebx = 12 - subfunction number
 2527 
  * ebx = 12 - subfunction number
2527 
  * ecx = subnet mask
 2528 
  * ecx = subnet mask
2528 
Returned value:
 2529 
Returned value:
2529 
  * the current implementation returns eax=12, but this can be changed
 2530 
  * the current implementation returns eax=12, but this can be changed
2530 
    in future versions
 2531 
    in future versions
2531 
 
 2532 
 
2532 
======================================================================
 2533 
======================================================================
2533 
============== Function 52, subfunction 13 - get DNS IP. =============
 2534 
============== Function 52, subfunction 13 - get DNS IP. =============
2534 
======================================================================
 2535 
======================================================================
2535 
Parameters:
 2536 
Parameters:
2536 
  * eax = 52 - function number
 2537 
  * eax = 52 - function number
2537 
  * ebx = 13 - subfunction number
 2538 
  * ebx = 13 - subfunction number
2538 
Returned value:
 2539 
Returned value:
2539 
  * eax = DNS IP (4 bytes)
 2540 
  * eax = DNS IP (4 bytes)
2540 
 
 2541 
 
2541 
======================================================================
 2542 
======================================================================
2542 
============== Function 52, subfunction 14 - set DNS IP. =============
 2543 
============== Function 52, subfunction 14 - set DNS IP. =============
2543 
======================================================================
 2544 
======================================================================
2544 
Parameters:
 2545 
Parameters:
2545 
  * eax = 52 - function number
 2546 
  * eax = 52 - function number
2546 
  * ebx = 14 - subfunction number
 2547 
  * ebx = 14 - subfunction number
2547 
  * ecx = DNS IP (4 bytes)
 2548 
  * ecx = DNS IP (4 bytes)
2548 
Returned value:
 2549 
Returned value:
2549 
  * the current implementation returns eax=14, but this can be changed
 2550 
  * the current implementation returns eax=14, but this can be changed
2550 
    in future versions
 2551 
    in future versions
2551 
 
 2552 
 
2552 
======================================================================
 2553 
======================================================================
2553 
======== Function 52, subfunction 15 - get local MAC address. ========
 2554 
======== Function 52, subfunction 15 - get local MAC address. ========
2554 
======================================================================
 2555 
======================================================================
2555 
Parameters:
 2556 
Parameters:
2556 
  * eax = 52 - function number
 2557 
  * eax = 52 - function number
2557 
  * ebx = 15 - subfunction number
 2558 
  * ebx = 15 - subfunction number
2558 
  * ecx = 0 - read first 4 bytes,
 2559 
  * ecx = 0 - read first 4 bytes,
2559 
    ecx = 4 - read last 2 bytes
 2560 
    ecx = 4 - read last 2 bytes
2560 
Returned value:
 2561 
Returned value:
2561 
  * for ecx=0: eax = first 4 bytes of MAC address
 2562 
  * for ecx=0: eax = first 4 bytes of MAC address
2562 
  * for ecx=4: ax = last 2 bytes of MAC address,
 2563 
  * for ecx=4: ax = last 2 bytes of MAC address,
2563 
               high half of eax is destroyed
 2564 
               high half of eax is destroyed
2564 
  * for other ecx: eax = -1 indicates an error
 2565 
  * for other ecx: eax = -1 indicates an error
2565 
 
 2566 
 
2566 
======================================================================
 2567 
======================================================================
2567 
============ Function 53, subfunction 0 - open UDP-socket. ===========
 2568 
============ Function 53, subfunction 0 - open UDP-socket. ===========
2568 
======================================================================
 2569 
======================================================================
2569 
Parameters:
 2570 
Parameters:
2570 
  * eax = 53 - function number
 2571 
  * eax = 53 - function number
2571 
  * ebx = 0 - subfunction number
 2572 
  * ebx = 0 - subfunction number
2572 
  * ecx = local port (only low word is taken into account)
 2573 
  * ecx = local port (only low word is taken into account)
2573 
  * edx = remote port (only low word is taken into account)
 2574 
  * edx = remote port (only low word is taken into account)
2574 
  * esi = remote IP
 2575 
  * esi = remote IP
2575 
Returned value:
 2576 
Returned value:
2576 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroyed
 2577 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroyed
2577 
  * eax = socket handle (some number which unambiguously identifies
 2578 
  * eax = socket handle (some number which unambiguously identifies
2578 
    socket and have sense only for the system) - success;
 2579 
    socket and have sense only for the system) - success;
2579 
    ebx destroyed
 2580 
    ebx destroyed
2580 
 
 2581 
 
2581 
======================================================================
 2582 
======================================================================
2582 
=========== Function 53, subfunction 1 - close UDP-socket. ===========
 2583 
=========== Function 53, subfunction 1 - close UDP-socket. ===========
2583 
======================================================================
 2584 
======================================================================
2584 
Parameters:
 2585 
Parameters:
2585 
  * eax = 53 - function number
 2586 
  * eax = 53 - function number
2586 
  * ebx = 1 - subfunction number
 2587 
  * ebx = 1 - subfunction number
2587 
  * ecx = socket handle
 2588 
  * ecx = socket handle
2588 
Returned value:
 2589 
Returned value:
2589 
  * eax = -1 - incorrect handle
 2590 
  * eax = -1 - incorrect handle
2590 
  * eax = 0 - success
 2591 
  * eax = 0 - success
2591 
  * ebx destroyed
 2592 
  * ebx destroyed
2592 
Remarks:
 2593 
Remarks:
2593 
  * The current implementation does not close automatically all
 2594 
  * The current implementation does not close automatically all
2594 
    sockets of a thread at termination. In particular, one should not
 2595 
    sockets of a thread at termination. In particular, one should not
2595 
    kill a thread with many opened sockets - there will be an outflow
 2596 
    kill a thread with many opened sockets - there will be an outflow
2596 
    of resources.
 2597 
    of resources.
2597 
  * The current implementation does no checks on correctness
 2598 
  * The current implementation does no checks on correctness
2598 
    (function returns error only if thread tries to close not opened
 2599 
    (function returns error only if thread tries to close not opened
2599 
    socket with correct handle).
 2600 
    socket with correct handle).
2600 
 
 2601 
 
2601 
======================================================================
 2602 
======================================================================
2602 
============== Function 53, subfunction 2 - poll socket. =============
 2603 
============== Function 53, subfunction 2 - poll socket. =============
2603 
======================================================================
 2604 
======================================================================
2604 
Parameters:
 2605 
Parameters:
2605 
  * eax = 53 - function number
 2606 
  * eax = 53 - function number
2606 
  * ebx = 2 - subfunction number
 2607 
  * ebx = 2 - subfunction number
2607 
  * ecx = socket handle
 2608 
  * ecx = socket handle
2608 
Returned value:
 2609 
Returned value:
2609 
  * eax = number of read bytes
 2610 
  * eax = number of read bytes
2610 
  * ebx destroyed
 2611 
  * ebx destroyed
2611 
Remarks:
 2612 
Remarks:
2612 
  * There is no checks for correctness.
 2613 
  * There is no checks for correctness.
2613 
 
 2614 
 
2614 
======================================================================
 2615 
======================================================================
2615 
========= Function 53, subfunction 3 - read byte from socket. ========
 2616 
========= Function 53, subfunction 3 - read byte from socket. ========
2616 
======================================================================
 2617 
======================================================================
2617 
Parameters:
 2618 
Parameters:
2618 
  * eax = 53 - function number
 2619 
  * eax = 53 - function number
2619 
  * ebx = 3 - subfunction number
 2620 
  * ebx = 3 - subfunction number
2620 
  * ecx = socket handle
 2621 
  * ecx = socket handle
2621 
Returned value:
 2622 
Returned value:
2622 
  * if there is no read data: eax=0, bl=0,
 2623 
  * if there is no read data: eax=0, bl=0,
2623 
    other bytes of ebx are destroyed
 2624 
    other bytes of ebx are destroyed
2624 
  * if there are read data: eax=number of rest bytes
 2625 
  * if there are read data: eax=number of rest bytes
2625 
    (possibly 0), bl=read byte, other bytes of ebx are destroyed
 2626 
    (possibly 0), bl=read byte, other bytes of ebx are destroyed
2626 
Remarks:
 2627 
Remarks:
2627 
  * There is no checks for correctness.
 2628 
  * There is no checks for correctness.
2628 
 
 2629 
 
2629 
======================================================================
 2630 
======================================================================
2630 
========== Function 53, subfunction 4 - write to UDP-socket. =========
 2631 
========== Function 53, subfunction 4 - write to UDP-socket. =========
2631 
======================================================================
 2632 
======================================================================
2632 
Parameters:
 2633 
Parameters:
2633 
  * eax = 53 - function number
 2634 
  * eax = 53 - function number
2634 
  * ebx = 4 - subfunction number
 2635 
  * ebx = 4 - subfunction number
2635 
  * ecx = socket handle
 2636 
  * ecx = socket handle
2636 
  * edx = number of bytes to write
 2637 
  * edx = number of bytes to write
2637 
  * esi = pointer to data to write
 2638 
  * esi = pointer to data to write
2638 
Returned value:
 2639 
Returned value:
2639 
  * eax = 0xffffffff - invalid handle
 2640 
  * eax = 0xffffffff - invalid handle
2640 
  * eax = 0xffff - not enough memory
 2641 
  * eax = 0xffff - not enough memory
2641 
  * eax = 0 - success
 2642 
  * eax = 0 - success
2642 
  * ebx destroyed
 2643 
  * ebx destroyed
2643 
Remarks:
 2644 
Remarks:
2644 
  * Check on validity of handle is minimal - only not very incorrect
 2645 
  * Check on validity of handle is minimal - only not very incorrect
2645 
    not opened handles are eliminated.
 2646 
    not opened handles are eliminated.
2646 
  * Number of bytes to write must not exceed 1500-28, though
 2647 
  * Number of bytes to write must not exceed 1500-28, though
2647 
    the appropriate check is not made.
 2648 
    the appropriate check is not made.
2648 
 
 2649 
 
2649 
======================================================================
 2650 
======================================================================
2650 
============ Function 53, subfunction 5 - open TCP-socket. ===========
 2651 
============ Function 53, subfunction 5 - open TCP-socket. ===========
2651 
======================================================================
 2652 
======================================================================
2652 
Parameters:
 2653 
Parameters:
2653 
  * eax = 53 - function number
 2654 
  * eax = 53 - function number
2654 
  * ebx = 5 - subfunction number
 2655 
  * ebx = 5 - subfunction number
2655 
  * ecx = local port (only low word is taken into account)
 2656 
  * ecx = local port (only low word is taken into account)
2656 
  * edx = remote port (only low word is taken into account)
 2657 
  * edx = remote port (only low word is taken into account)
2657 
  * esi = remote IP
 2658 
  * esi = remote IP
2658 
  * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1
 2659 
  * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1
2659 
Returned value:
 2660 
Returned value:
2660 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroys
 2661 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroys
2661 
  * eax = socket handle (some number which unambiguously identifies
 2662 
  * eax = socket handle (some number which unambiguously identifies
2662 
    socket and have sense only for the system) - success;
 2663 
    socket and have sense only for the system) - success;
2663 
    ebx destroyed
 2664 
    ebx destroyed
2664 
 
 2665 
 
2665 
======================================================================
 2666 
======================================================================
2666 
========= Function 53, subfunction 6 - get TCP-socket status. ========
 2667 
========= Function 53, subfunction 6 - get TCP-socket status. ========
2667 
======================================================================
 2668 
======================================================================
2668 
Parameters:
 2669 
Parameters:
2669 
  * eax = 53 - function number
 2670 
  * eax = 53 - function number
2670 
  * ebx = 6 - subfunction number
 2671 
  * ebx = 6 - subfunction number
2671 
  * ecx = socket handle
 2672 
  * ecx = socket handle
2672 
Returned value:
 2673 
Returned value:
2673 
  * eax = socket status: one of
 2674 
  * eax = socket status: one of
2674 
  * TCB_LISTEN = 1
 2675 
  * TCB_LISTEN = 1
2675 
  * TCB_SYN_SENT = 2
 2676 
  * TCB_SYN_SENT = 2
2676 
  * TCB_SYN_RECEIVED = 3
 2677 
  * TCB_SYN_RECEIVED = 3
2677 
  * TCB_ESTABLISHED = 4
 2678 
  * TCB_ESTABLISHED = 4
2678 
  * TCB_FIN_WAIT_1 = 5
 2679 
  * TCB_FIN_WAIT_1 = 5
2679 
  * TCB_FIN_WAIT_2 = 6
 2680 
  * TCB_FIN_WAIT_2 = 6
2680 
  * TCB_CLOSE_WAIT = 7
 2681 
  * TCB_CLOSE_WAIT = 7
2681 
  * TCB_CLOSING = 8
 2682 
  * TCB_CLOSING = 8
2682 
  * TCB_LAST_ASK = 9
 2683 
  * TCB_LAST_ASK = 9
2683 
  * TCB_TIME_WAIT = 10
 2684 
  * TCB_TIME_WAIT = 10
2684 
  * TCB_CLOSED = 11
 2685 
  * TCB_CLOSED = 11
2685 
  * ebx destroys
 2686 
  * ebx destroys
2686 
Remarks:
 2687 
Remarks:
2687 
  * There is no checks for correctness.
 2688 
  * There is no checks for correctness.
2688 
 
 2689 
 
2689 
======================================================================
 2690 
======================================================================
2690 
========== Function 53, subfunction 7 - write to TCP-socket. =========
 2691 
========== Function 53, subfunction 7 - write to TCP-socket. =========
2691 
======================================================================
 2692 
======================================================================
2692 
Parameters:
 2693 
Parameters:
2693 
  * eax = 53 - function number
 2694 
  * eax = 53 - function number
2694 
  * ebx = 7 - subfunction number
 2695 
  * ebx = 7 - subfunction number
2695 
  * ecx = socket handle
 2696 
  * ecx = socket handle
2696 
  * edx = number of bytes to write
 2697 
  * edx = number of bytes to write
2697 
  * esi = pointer to data to write
 2698 
  * esi = pointer to data to write
2698 
Returned value:
 2699 
Returned value:
2699 
  * eax = 0xffffffff - error
 2700 
  * eax = 0xffffffff - error
2700 
  * eax = 0xffff - not enough memory
 2701 
  * eax = 0xffff - not enough memory
2701 
  * eax = 0 - success
 2702 
  * eax = 0 - success
2702 
  * ebx destroyed
 2703 
  * ebx destroyed
2703 
Remarks:
 2704 
Remarks:
2704 
  * Check on validity of handle is minimal - only not very incorrect
 2705 
  * Check on validity of handle is minimal - only not very incorrect
2705 
    not opened handles are eliminated.
 2706 
    not opened handles are eliminated.
2706 
  * Number of bytes to write must not exceed 1500-40, though
 2707 
  * Number of bytes to write must not exceed 1500-40, though
2707 
    the appropriate check is not made.
 2708 
    the appropriate check is not made.
2708 
 
 2709 
 
2709 
======================================================================
 2710 
======================================================================
2710 
=========== Function 53, subfunction 8 - close TCP-socket. ===========
 2711 
=========== Function 53, subfunction 8 - close TCP-socket. ===========
2711 
======================================================================
 2712 
======================================================================
2712 
Parameters:
 2713 
Parameters:
2713 
  * eax = 53 - function number
 2714 
  * eax = 53 - function number
2714 
  * ebx = 8 - subfunction number
 2715 
  * ebx = 8 - subfunction number
2715 
  * ecx = socket handle
 2716 
  * ecx = socket handle
2716 
Returned value:
 2717 
Returned value:
2717 
  * eax = -1 - invalid handle
 2718 
  * eax = -1 - invalid handle
2718 
  * eax = 0xffff - not enough memory for socket close packet
 2719 
  * eax = 0xffff - not enough memory for socket close packet
2719 
  * eax = 0 - success
 2720 
  * eax = 0 - success
2720 
  * in many cases eax is destroyed (the result of function 'queue'
 2721 
  * in many cases eax is destroyed (the result of function 'queue'
2721 
    is returned) - probably this is bug, which will be corrected
 2722 
    is returned) - probably this is bug, which will be corrected
2722 
  * ebx destroyed
 2723 
  * ebx destroyed
2723 
Remarks:
 2724 
Remarks:
2724 
  * The current implementation does not close automatically all
 2725 
  * The current implementation does not close automatically all
2725 
    sockets of a thread at termination. In particular, one should not
 2726 
    sockets of a thread at termination. In particular, one should not
2726 
    kill a thread with many opened sockets - there will be an outflow
 2727 
    kill a thread with many opened sockets - there will be an outflow
2727 
    of resources.
 2728 
    of resources.
2728 
  * The current implementation does no checks on correctness
 2729 
  * The current implementation does no checks on correctness
2729 
    (function returns error only if thread tries to close not opened
 2730 
    (function returns error only if thread tries to close not opened
2730 
    socket with correct handle).
 2731 
    socket with correct handle).
2731 
 
 2732 
 
2732 
======================================================================
 2733 
======================================================================
2733 
=== Function 53, subfunction 9 - check whether local port is free. ===
 2734 
=== Function 53, subfunction 9 - check whether local port is free. ===
2734 
======================================================================
 2735 
======================================================================
2735 
Parameters:
 2736 
Parameters:
2736 
  * eax = 53 - function number
 2737 
  * eax = 53 - function number
2737 
  * ebx = 9 - subfunction number
 2738 
  * ebx = 9 - subfunction number
2738 
  * ecx = local port number (low 16 bits are used only)
 2739 
  * ecx = local port number (low 16 bits are used only)
2739 
Returned value:
 2740 
Returned value:
2740 
  * eax = 0 - port is used
 2741 
  * eax = 0 - port is used
2741 
  * eax = 1 - port is free
 2742 
  * eax = 1 - port is free
2742 
  * ebx destroyed
 2743 
  * ebx destroyed
2743 
 
 2744 
 
2744 
======================================================================
 2745 
======================================================================
2745 
===== Function 53, subfunction 10 - query Ethernet cable status. =====
 2746 
===== Function 53, subfunction 10 - query Ethernet cable status. =====
2746 
======================================================================
 2747 
======================================================================
2747 
Parameters:
 2748 
Parameters:
2748 
  * eax = 53 - function number
 2749 
  * eax = 53 - function number
2749 
  * ebx = 10 - subfunction number
 2750 
  * ebx = 10 - subfunction number
2750 
Returned value:
 2751 
Returned value:
2751 
  * al = -1 - a network driver is not loaded or
 2752 
  * al = -1 - a network driver is not loaded or
2752 
              does not support this function
 2753 
              does not support this function
2753 
  * al = 0 - Ethernet cable is unplugged
 2754 
  * al = 0 - Ethernet cable is unplugged
2754 
  * al = 1 - Ethernet cable is plugged
 2755 
  * al = 1 - Ethernet cable is plugged
2755 
  * ebx destroyed
 2756 
  * ebx destroyed
2756 
Remarks:
 2757 
Remarks:
2757 
  * The current kernel implementation supports this function
 2758 
  * The current kernel implementation supports this function
2758 
    only for RTL8139 network cards.
 2759 
    only for RTL8139 network cards.
2759 
 
 2760 
 
2760 
======================================================================
 2761 
======================================================================
2761 
======= Function 53, subfunction 11 - read network stack data. =======
 2762 
======= Function 53, subfunction 11 - read network stack data. =======
2762 
======================================================================
 2763 
======================================================================
2763 
Paramters:
 2764 
Paramters:
2764 
  * eax = 53 - function number
 2765 
  * eax = 53 - function number
2765 
  * ebx = 11 - subfunction number
 2766 
  * ebx = 11 - subfunction number
2766 
  * ecx = socket handle
 2767 
  * ecx = socket handle
2767 
  * edx = pointer to buffer
 2768 
  * edx = pointer to buffer
2768 
  * esi = number of bytes to read;
 2769 
  * esi = number of bytes to read;
2769 
  * esi = 0 - read all data (maximum 4096 bytes)
 2770 
  * esi = 0 - read all data (maximum 4096 bytes)
2770 
Returned value:
 2771 
Returned value:
2771 
  * eax = number of bytes read
 2772 
  * eax = number of bytes read
2772 
  * ebx destroyed
 2773 
  * ebx destroyed
2773 
Remakrs:
 2774 
Remakrs:
2774 
  * There is no check on handle correctness.
 2775 
  * There is no check on handle correctness.
2775 
 
 2776 
 
2776 
======================================================================
 2777 
======================================================================
2777 
= Function 53, subfunction 255 - debug information of network driver.
2778 
= Function 53, subfunction 255 - debug information of network driver.
2778 
======================================================================
 2779 
======================================================================
2779 
Parameters:
 2780 
Parameters:
2780 
  * eax = 53 - function number
 2781 
  * eax = 53 - function number
2781 
  * ebx = 255 - subfunction number
 2782 
  * ebx = 255 - subfunction number
2782 
  * ecx = type of requested information (see below)
 2783 
  * ecx = type of requested information (see below)
2783 
Returned value:
 2784 
Returned value:
2784 
  * eax = requested information
 2785 
  * eax = requested information
2785 
  * ebx destroyed
 2786 
  * ebx destroyed
2786 
Possible values for ecx:
 2787 
Possible values for ecx:
2787 
  * 100: length of queue 0 (empty queue)
 2788 
  * 100: length of queue 0 (empty queue)
2788 
  * 101: length of queue 1 (ip-out queue)
 2789 
  * 101: length of queue 1 (ip-out queue)
2789 
  * 102: length of queue 2 (ip-in queue)
 2790 
  * 102: length of queue 2 (ip-in queue)
2790 
  * 103: length of queue 3 (net1out queue)
 2791 
  * 103: length of queue 3 (net1out queue)
2791 
  * 200: number of items in the ARP table
 2792 
  * 200: number of items in the ARP table
2792 
  * 201: size of the ARP table (in items) (20 for current version)
 2793 
  * 201: size of the ARP table (in items) (20 for current version)
2793 
  * 202: read item at edx of the ARP table to the temporary buffer,
 2794 
  * 202: read item at edx of the ARP table to the temporary buffer,
2794 
    whence 5 following types take information;
 2795 
    whence 5 following types take information;
2795 
    in this case eax is not defined
 2796 
    in this case eax is not defined
2796 
  * 203: IP-address saved by type 202
 2797 
  * 203: IP-address saved by type 202
2797 
  * 204: high dword of MAC-address saved by type 202
 2798 
  * 204: high dword of MAC-address saved by type 202
2798 
  * 205: low word of MAC-address saved by type 202
 2799 
  * 205: low word of MAC-address saved by type 202
2799 
  * 206: status word saved by type 202
 2800 
  * 206: status word saved by type 202
2800 
  * 207: ttl word saved by type 202
 2801 
  * 207: ttl word saved by type 202
2801 
  * 2: total number of received IP-packets
 2802 
  * 2: total number of received IP-packets
2802 
  * 3: total number of transferred IP-packets
 2803 
  * 3: total number of transferred IP-packets
2803 
  * 4: total number of dumped received packets
 2804 
  * 4: total number of dumped received packets
2804 
  * 5: total number of received ARP-packets
 2805 
  * 5: total number of received ARP-packets
2805 
  * 6: status of packet driver, 0=inactive, nonzero=active
 2806 
  * 6: status of packet driver, 0=inactive, nonzero=active
2806 
 
 2807 
 
2807 
======================================================================
 2808 
======================================================================
2808 
========== Function 55, subfunction 0 - load data for SB16. ==========
 2809 
========== Function 55, subfunction 0 - load data for SB16. ==========
2809 
======================================================================
 2810 
======================================================================
2810 
Parameters:
 2811 
Parameters:
2811 
  * eax = 55 - function number
 2812 
  * eax = 55 - function number
2812 
  * ebx = 0 - subfunction number
 2813 
  * ebx = 0 - subfunction number
2813 
  * ecx = pointer to data (is copied 64 kilobytes, is used as much as
 2814 
  * ecx = pointer to data (is copied 64 kilobytes, is used as much as
2814 
    set by subfunction 2)
 2815 
    set by subfunction 2)
2815 
Returned value:
 2816 
Returned value:
2816 
  * function does not return value
 2817 
  * function does not return value
2817 
Remarks:
 2818 
Remarks:
2818 
  * Format and size of data are set by subfunction 2.
 2819 
  * Format and size of data are set by subfunction 2.
2819 
 
 2820 
 
2820 
======================================================================
 2821 
======================================================================
2821 
======== Function 55, subfunction 1 - begin play data on SB16. =======
 2822 
======== Function 55, subfunction 1 - begin play data on SB16. =======
2822 
======================================================================
 2823 
======================================================================
2823 
Parameters:
 2824 
Parameters:
2824 
  * eax = 55 - function number
 2825 
  * eax = 55 - function number
2825 
  * ebx = 1 - subfunction number
 2826 
  * ebx = 1 - subfunction number
2826 
Returned value:
 2827 
Returned value:
2827 
  * function does not return value
 2828 
  * function does not return value
2828 
Remarks:
 2829 
Remarks:
2829 
  * Previously data must be loaded by subfunction 0 and
 2830 
  * Previously data must be loaded by subfunction 0 and
2830 
    their format must be defined by subfunction 2.
 2831 
    their format must be defined by subfunction 2.
2831 
  * Function returns control, when playing of data began; after that
 2832 
  * Function returns control, when playing of data began; after that
2832 
    play goes independently from application (and does not use
 2833 
    play goes independently from application (and does not use
2833 
    processor time at all).
 2834 
    processor time at all).
2834 
  * Previously must be defined SB16 base port
 2835 
  * Previously must be defined SB16 base port
2835 
    (by subfunction 4 of function 21) and DMA channel
 2836 
    (by subfunction 4 of function 21) and DMA channel
2836 
    (by subfunction 10 of function 21).
 2837 
    (by subfunction 10 of function 21).
2837 
 
 2838 
 
2838 
======================================================================
 2839 
======================================================================
2839 
======== Function 55, subfunction 2 - set format of SB16 data. =======
 2840 
======== Function 55, subfunction 2 - set format of SB16 data. =======
2840 
======================================================================
 2841 
======================================================================
2841 
Parameters:
 2842 
Parameters:
2842 
  * eax = 55 - function number
 2843 
  * eax = 55 - function number
2843 
  * ebx = 2 - subfunction number
 2844 
  * ebx = 2 - subfunction number
2844 
  * ecx = 0 - set digit capacity
 2845 
  * ecx = 0 - set digit capacity
2845 
    * edx = 1 - 8bit mono
 2846 
    * edx = 1 - 8bit mono
2846 
    * edx = 2 - 8bit stereo
 2847 
    * edx = 2 - 8bit stereo
2847 
  * ecx = 1 - set data size
 2848 
  * ecx = 1 - set data size
2848 
    * edx = size in bytes
 2849 
    * edx = size in bytes
2849 
  * ecx = 2 - set play frequency
 2850 
  * ecx = 2 - set play frequency
2850 
    * edx = frequency
 2851 
    * edx = frequency
2851 
Returned value:
 2852 
Returned value:
2852 
  * function does not return value
 2853 
  * function does not return value
2853 
Remarks:
 2854 
Remarks:
2854 
  * When the system boots, it sets following default parameters:
 2855 
  * When the system boots, it sets following default parameters:
2855 
    digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz.
 2856 
    digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz.
2856 
    Nevertheless it is recommended to set necessary values obviously
 2857 
    Nevertheless it is recommended to set necessary values obviously
2857 
    as they could be reset by some application.
 2858 
    as they could be reset by some application.
2858 
 
 2859 
 
2859 
======================================================================
 2860 
======================================================================
2860 
 Function 55, subfunction 55 - begin to play data on built-in speaker.
2861 
 Function 55, subfunction 55 - begin to play data on built-in speaker.
2861 
======================================================================
 2862 
======================================================================
2862 
Parameters:
 2863 
Parameters:
2863 
  * eax = 55 - function number
 2864 
  * eax = 55 - function number
2864 
  * ebx = 55 - subfunction number
 2865 
  * ebx = 55 - subfunction number
2865 
  * esi = pointer to data
 2866 
  * esi = pointer to data
2866 
Returned value:
 2867 
Returned value:
2867 
  * eax = 0 - success
 2868 
  * eax = 0 - success
2868 
  * eax = 55 - error (speaker is off or busy)
 2869 
  * eax = 55 - error (speaker is off or busy)
2869 
Data is an array of items with variable length.
 2870 
Data is an array of items with variable length.
2870 
Format of each item is defined by first byte:
 2871 
Format of each item is defined by first byte:
2871 
  * 0 = end of data
 2872 
  * 0 = end of data
2872 
  * 1..0x80 = sets sound duration on 1/100 of second; sound note
 2873 
  * 1..0x80 = sets sound duration on 1/100 of second; sound note
2873 
    is defined by immediate value of frequency
 2874 
    is defined by immediate value of frequency
2874 
    * following word (2 bytes) contains frequency divider;
 2875 
    * following word (2 bytes) contains frequency divider;
2875 
      frequency is defined as 1193180/divider
 2876 
      frequency is defined as 1193180/divider
2876 
  * 0x81 = invalid
 2877 
  * 0x81 = invalid
2877 
  * 0x82..0xFF = note is defined by octave and number:
 2878 
  * 0x82..0xFF = note is defined by octave and number:
2878 
    * duration in 1/100 of second = (first byte)-0x81
 2879 
    * duration in 1/100 of second = (first byte)-0x81
2879 
    * there is one more byte;
 2880 
    * there is one more byte;
2880 
    * (second byte)=0xFF - delay
 2881 
    * (second byte)=0xFF - delay
2881 
    * otherwise it looks like a*0x10+b, where b=number of the note in
 2882 
    * otherwise it looks like a*0x10+b, where b=number of the note in
2882 
      an octave from 1 to 12, a=number of octave (beginning from 0)
 2883 
      an octave from 1 to 12, a=number of octave (beginning from 0)
2883 
Remarks:
 2884 
Remarks:
2884 
  * Speaker play can be disabled/enabled by
 2885 
  * Speaker play can be disabled/enabled by
2885 
    subfunction 8 of function 18.
 2886 
    subfunction 8 of function 18.
2886 
  * Function returns control, having informed the system
 2887 
  * Function returns control, having informed the system
2887 
    an information on request. Play itself goes independently from
 2888 
    an information on request. Play itself goes independently from
2888 
    the program.
 2889 
    the program.
2889 
  * The data must be kept in the memory at least up to the end
 2890 
  * The data must be kept in the memory at least up to the end
2890 
    of play.
 2891 
    of play.
2891 
 
 2892 
 
2892 
======================================================================
 2893 
======================================================================
2893 
================ Function 58 - work with file system. ================
 2894 
================ Function 58 - work with file system. ================
2894 
======================================================================
 2895 
======================================================================
2895 
Parameters:
 2896 
Parameters:
2896 
  * eax = 58
 2897 
  * eax = 58
2897 
  * ebx = pointer to the information structure
 2898 
  * ebx = pointer to the information structure
2898 
Returned value:
 2899 
Returned value:
2899 
  * eax = 0 - success; otherwise file system error code
 2900 
  * eax = 0 - success; otherwise file system error code
2900 
  * some subfunctions return value in other registers too
 2901 
  * some subfunctions return value in other registers too
2901 
General format of the information structure:
 2902 
General format of the information structure:
2902 
  * +0: dword: subfunction number
 2903 
  * +0: dword: subfunction number
2903 
  * +4: dword: number of block
 2904 
  * +4: dword: number of block
2904 
  * +8: dword: size
 2905 
  * +8: dword: size
2905 
  * +12 = +0xC: dword: pointer to data
 2906 
  * +12 = +0xC: dword: pointer to data
2906 
  * +16 = +0x10: dword: pointer to a memory for system operations
 2907 
  * +16 = +0x10: dword: pointer to a memory for system operations
2907 
    (4096 bytes)
 2908 
    (4096 bytes)
2908 
  * +20 = +0x14: n db: ASCIIZ-string with the file name
 2909 
  * +20 = +0x14: n db: ASCIIZ-string with the file name
2909 
Specifications - in documentation on the appropriate subfunction.
 2910 
Specifications - in documentation on the appropriate subfunction.
2910 
Filename is case-insensitive for latin letters, russian letters
 2911 
Filename is case-insensitive for latin letters, russian letters
2911 
must be capital.
 2912 
must be capital.
2912 
Format of filename:
 2913 
Format of filename:
2913 
/base/number/dir1/dir2/.../dirn/file,
 2914 
/base/number/dir1/dir2/.../dirn/file,
2914 
where /base/number identifies device, on which file is located:
 2915 
where /base/number identifies device, on which file is located:
2915 
one of
 2916 
one of
2916 
  * /RD/1 = /RAMDISK/1 to access ramdisk
 2917 
  * /RD/1 = /RAMDISK/1 to access ramdisk
2917 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
 2918 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
2918 
    /FD/2 = /FLOPPYDISK/2 to access second one
 2919 
    /FD/2 = /FLOPPYDISK/2 to access second one
2919 
  * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk
 2920 
  * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk
2920 
    (in this case base is defined by subfunction 7 of function 21),
 2921 
    (in this case base is defined by subfunction 7 of function 21),
2921 
    x - partition number (beginning from 1)
 2922 
    x - partition number (beginning from 1)
2922 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
 2923 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
2923 
    IDE0 (Primary Master), IDE1 (Primary Slave),
 2924 
    IDE0 (Primary Master), IDE1 (Primary Slave),
2924 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
 2925 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
2925 
    x - partition number on the selected hard drive, varies from 1
 2926 
    x - partition number on the selected hard drive, varies from 1
2926 
    to 255 (on each hard drive the indexing starts from 1)
 2927 
    to 255 (on each hard drive the indexing starts from 1)
2927 
Remarks:
 2928 
Remarks:
2928 
  * In the first two cases it is also possible to use FIRST
 2929 
  * In the first two cases it is also possible to use FIRST
2929 
    instead of 1, SECOND instead of 2, but it is not recommended
 2930 
    instead of 1, SECOND instead of 2, but it is not recommended
2930 
    for convenience of transition to the future extensions.
 2931 
    for convenience of transition to the future extensions.
2931 
  * Limitation n<=39 is imposed.
 2932 
  * Limitation n<=39 is imposed.
2932 
  * Names of folders and file dir1,...,dirn,file must have the
 2933 
  * Names of folders and file dir1,...,dirn,file must have the
2933 
    format 8.3: name no more than 8 characters, dot, extension no
 2934 
    format 8.3: name no more than 8 characters, dot, extension no
2934 
    more than 3 characters. Trailing spaces are ignored, no other
 2935 
    more than 3 characters. Trailing spaces are ignored, no other
2935 
    spaces is allowed. If name occupies equally 8 characters,
 2936 
    spaces is allowed. If name occupies equally 8 characters,
2936 
    dot may be omitted (though it is not recommended to use this
 2937 
    dot may be omitted (though it is not recommended to use this
2937 
    feature for convenience of transition to the future extensions).
 2938 
    feature for convenience of transition to the future extensions).
2938 
  * This function does not support folders on ramdisk.
 2939 
  * This function does not support folders on ramdisk.
2939 
Examples:
 2940 
Examples:
2940 
  * '/RAMDISK/FIRST/KERNEL.ASM',0
 2941 
  * '/RAMDISK/FIRST/KERNEL.ASM',0
2941 
    '/rd/1/kernel.asm',0
 2942 
    '/rd/1/kernel.asm',0
2942 
  * '/HD0/1/kernel.asm',0
 2943 
  * '/HD0/1/kernel.asm',0
2943 
  * '/hd0/1/menuet/pics/tanzania.bmp',0
 2944 
  * '/hd0/1/menuet/pics/tanzania.bmp',0
2944 
Existing subfunctions:
 2945 
Existing subfunctions:
2945 
  * subfunction 0 - read file/folder
 2946 
  * subfunction 0 - read file/folder
2946 
  * subfunction 8 - LBA-read from device
 2947 
  * subfunction 8 - LBA-read from device
2947 
  * subfunction 15 - get file system information
 2948 
  * subfunction 15 - get file system information
2948 
 
 2949 
 
2949 
======================================================================
 2950 
======================================================================
2950 
=========== Function 58, subfunction 0 - read file/folder. ===========
 2951 
=========== Function 58, subfunction 0 - read file/folder. ===========
2951 
======================================================================
 2952 
======================================================================
2952 
Parameters:
 2953 
Parameters:
2953 
  * eax = 58
 2954 
  * eax = 58
2954 
  * ebx = pointer to the information structure
 2955 
  * ebx = pointer to the information structure
2955 
Format of the information structure:
 2956 
Format of the information structure:
2956 
  * +0: dword: 0 = subfunction number
 2957 
  * +0: dword: 0 = subfunction number
2957 
  * +4: dword: first block to read (beginning from 0)
 2958 
  * +4: dword: first block to read (beginning from 0)
2958 
  * +8: dword: amount of blocks to read
 2959 
  * +8: dword: amount of blocks to read
2959 
  * +12 = +0xC: dword: pointer to buffer for data
 2960 
  * +12 = +0xC: dword: pointer to buffer for data
2960 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2961 
  * +16 = +0x10: dword: pointer to buffer for system operations
2961 
    (4096 bytes)
 2962 
    (4096 bytes)
2962 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 2963 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
2963 
    given in the general description
 2964 
    given in the general description
2964 
Returned value:
 2965 
Returned value:
2965 
  * eax = 0 - success, otherwise file system error code
 2966 
  * eax = 0 - success, otherwise file system error code
2966 
  * ebx = file size (in bytes) or -1=0xffffffff, if file was not found
 2967 
  * ebx = file size (in bytes) or -1=0xffffffff, if file was not found
2967 
Remarks:
 2968 
Remarks:
2968 
  * Block size is 512 bytes.
 2969 
  * Block size is 512 bytes.
2969 
  * This function is obsolete, for reading files use subfunction 0
 2970 
  * This function is obsolete, for reading files use subfunction 0
2970 
    of function 70, for reading folders - subfunction 1 of
 2971 
    of function 70, for reading folders - subfunction 1 of
2971 
    function 70.
 2972 
    function 70.
2972 
  * Function can read contents of a folder. Only FAT file system is
 2973 
  * Function can read contents of a folder. Only FAT file system is
2973 
    supported. The format of FAT-folder is described
 2974 
    supported. The format of FAT-folder is described
2974 
    in any FAT documentation.
 2975 
    in any FAT documentation.
2975 
  * Size of a folder is determined by size of FAT clusters chain.
 2976 
  * Size of a folder is determined by size of FAT clusters chain.
2976 
  * If file was ended before last requested block was read,
 2977 
  * If file was ended before last requested block was read,
2977 
    the function will read as many as it can, and after that return
 2978 
    the function will read as many as it can, and after that return
2978 
    eax=6 (EOF).
 2979 
    eax=6 (EOF).
2979 
  * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but
 2980 
  * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but
2980 
    in the first two cases the current implementation does not follow
 2981 
    in the first two cases the current implementation does not follow
2981 
    to the declared rules:
 2982 
    to the declared rules:
2982 
    for /rd/1:
 2983 
    for /rd/1:
2983 
    * if one want to read 0 blocks, function considers,
 2984 
    * if one want to read 0 blocks, function considers,
2984 
      that he requested 1;
 2985 
      that he requested 1;
2985 
    * if one requests more than 14 blocks or starting block is
 2986 
    * if one requests more than 14 blocks or starting block is
2986 
      not less than 14, function returns eax=5 (not found) è ebx=-1;
 2987 
      not less than 14, function returns eax=5 (not found) è ebx=-1;
2987 
    * size of ramdisk root folder is 14 blocks,
2988 
    * size of ramdisk root folder is 14 blocks,
2988 
      0x1C00=7168 áàéò; but function returns ebx=0
 2989 
      0x1C00=7168 áàéò; but function returns ebx=0
2989 
      (except of the case of previous item);
 2990 
      (except of the case of previous item);
2990 
    * strangely enough, it is possible to read 14th block (which
 2991 
    * strangely enough, it is possible to read 14th block (which
2991 
      generally contains a garbage - I remind, the indexing begins
 2992 
      generally contains a garbage - I remind, the indexing begins
2992 
      from 0);
 2993 
      from 0);
2993 
    * if some block with the number not less than 14 was requested,
 2994 
    * if some block with the number not less than 14 was requested,
2994 
      function returns eax=6(EOF); otherwise eax=0.
 2995 
      function returns eax=6(EOF); otherwise eax=0.
2995 
    For /fd/x:
 2996 
    For /fd/x:
2996 
    * if the start block is not less than 14, function returns
 2997 
    * if the start block is not less than 14, function returns
2997 
      eax=5 (not found) and ebx=0;
 2998 
      eax=5 (not found) and ebx=0;
2998 
    * note that format of FAT12 allows floppies with the root size
 2999 
    * note that format of FAT12 allows floppies with the root size
2999 
      more or less than 14 blocks;
 3000 
      more or less than 14 blocks;
3000 
    * check for length is not performed;
 3001 
    * check for length is not performed;
3001 
    * if data was successful read, function returns
 3002 
    * if data was successful read, function returns
3002 
      eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1.
 3003 
      eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1.
3003 
  * The function handles reading of special folders /,/rd,/fd,/hd[n];
 3004 
  * The function handles reading of special folders /,/rd,/fd,/hd[n];
3004 
    but the result does not correspond to expected (on operations with
 3005 
    but the result does not correspond to expected (on operations with
3005 
    normal files/folders), does not follow the declared rules,
 3006 
    normal files/folders), does not follow the declared rules,
3006 
    may be changed in future versions of the kernel and consequently
 3007 
    may be changed in future versions of the kernel and consequently
3007 
    is not described. To obtain the information about the equipment
 3008 
    is not described. To obtain the information about the equipment
3008 
    use subfunction 11 of function 18 or
 3009 
    use subfunction 11 of function 18 or
3009 
    read corresponding folder with subfunction 1 of function 70.
 3010 
    read corresponding folder with subfunction 1 of function 70.
3010 
 
 3011 
 
3011 
======================================================================
 3012 
======================================================================
3012 
========= Function 58, subfunction 8 - LBA-read from device. =========
 3013 
========= Function 58, subfunction 8 - LBA-read from device. =========
3013 
======================================================================
 3014 
======================================================================
3014 
Parameters:
 3015 
Parameters:
3015 
  * eax = 58 - function number
 3016 
  * eax = 58 - function number
3016 
  * ebx = pointer to the information structure
 3017 
  * ebx = pointer to the information structure
3017 
Format of the information structure:
 3018 
Format of the information structure:
3018 
  * +0: dword: 8 = subfunction number
 3019 
  * +0: dword: 8 = subfunction number
3019 
  * +4: dword: number of block to read (beginning from 0)
 3020 
  * +4: dword: number of block to read (beginning from 0)
3020 
  * +8: dword: ignored (set to 1)
 3021 
  * +8: dword: ignored (set to 1)
3021 
  * +12 = +0xC: dword: pointer to buffer for data (512 bytes)
 3022 
  * +12 = +0xC: dword: pointer to buffer for data (512 bytes)
3022 
  * +16 = +0x10: dword: pointer to buffer for system operations
 3023 
  * +16 = +0x10: dword: pointer to buffer for system operations
3023 
    (4096 bytes)
 3024 
    (4096 bytes)
3024 
  * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of
 3025 
  * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of
3025 
    /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n,
 3026 
    /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n,
3026 
    1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3.
 3027 
    1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3.
3027 
    Instead of digits it is allowed, though not recommended for
 3028 
    Instead of digits it is allowed, though not recommended for
3028 
    convenience of transition to future extensions, to use
 3029 
    convenience of transition to future extensions, to use
3029 
    'first','second','third','fourth'.
 3030 
    'first','second','third','fourth'.
3030 
Returned value:
 3031 
Returned value:
3031 
  * for device name /hd/xxx, where xxx is not in the list above:
 3032 
  * for device name /hd/xxx, where xxx is not in the list above:
3032 
    * eax = ebx = 1
 3033 
    * eax = ebx = 1
3033 
  * for invalid device name (except for the previous case):
 3034 
  * for invalid device name (except for the previous case):
3034 
    * eax = 5
 3035 
    * eax = 5
3035 
    * ebx does not change
 3036 
    * ebx does not change
3036 
  * if LBA-access is disabled by subfunction 11 of function 21:
 3037 
  * if LBA-access is disabled by subfunction 11 of function 21:
3037 
    * eax = 2
 3038 
    * eax = 2
3038 
    * ebx destroyed
 3039 
    * ebx destroyed
3039 
  * for ramdisk: attempt to read block outside ramdisk
 3040 
  * for ramdisk: attempt to read block outside ramdisk
3040 
    (18*2*80 blocks) results in
 3041 
    (18*2*80 blocks) results in
3041 
    * eax = 3
 3042 
    * eax = 3
3042 
    * ebx = 0
 3043 
    * ebx = 0
3043 
  * for successful read:
 3044 
  * for successful read:
3044 
    * eax = ebx = 0
 3045 
    * eax = ebx = 0
3045 
Remarks:
 3046 
Remarks:
3046 
  * Block size is 512 bytes; function reads one block.
 3047 
  * Block size is 512 bytes; function reads one block.
3047 
  * Do not depend on returned value, it can be changed
 3048 
  * Do not depend on returned value, it can be changed
3048 
    in future versions.
 3049 
    in future versions.
3049 
  * Function requires that LBA-access to devices is enabled by
3050 
  * Function requires that LBA-access to devices is enabled by
3050 
    subfunction 11 of function 21. To check this one can use
3051 
    subfunction 11 of function 21. To check this one can use
3051 
    subfunction 11 of function 26.
 3052 
    subfunction 11 of function 26.
3052 
  * LBA-read of floppy is not supported.
 3053 
  * LBA-read of floppy is not supported.
3053 
  * Function reads data on physical hard drive; if for any reason
 3054 
  * Function reads data on physical hard drive; if for any reason
3054 
    data of the concrete partition are required, application must
 3055 
    data of the concrete partition are required, application must
3055 
    define starting sector of this partition (either directly
 3056 
    define starting sector of this partition (either directly
3056 
    through MBR, or from the full structure returned by
 3057 
    through MBR, or from the full structure returned by
3057 
    ïîäôóíêöèåé 11 ôóíêöèè 18).
 3058 
    ïîäôóíêöèåé 11 ôóíêöèè 18).
3058 
  * Function does not check error code of hard disk, so request of
 3059 
  * Function does not check error code of hard disk, so request of
3059 
    nonexisting sector reads something (most probably it will be
 3060 
    nonexisting sector reads something (most probably it will be
3060 
    zeroes, but this is defined by device) and this is considered
 3061 
    zeroes, but this is defined by device) and this is considered
3061 
    as success (eax=0).
 3062 
    as success (eax=0).
3062 
 
 3063 
 
3063 
======================================================================
 3064 
======================================================================
3064 
==== Function 58, subfunction 15 - get information on file system. ===
 3065 
==== Function 58, subfunction 15 - get information on file system. ===
3065 
======================================================================
 3066 
======================================================================
3066 
Parameters:
 3067 
Parameters:
3067 
  * eax = 58 - function number
 3068 
  * eax = 58 - function number
3068 
  * ebx = pointer to the information structure
 3069 
  * ebx = pointer to the information structure
3069 
Format of the information structure:
 3070 
Format of the information structure:
3070 
  * +0: dword: 15 = subfunction number
 3071 
  * +0: dword: 15 = subfunction number
3071 
  * +4: dword: ignored
 3072 
  * +4: dword: ignored
3072 
  * +8: dword: ignored
 3073 
  * +8: dword: ignored
3073 
  * +12 = +0xC: dword: ignored
 3074 
  * +12 = +0xC: dword: ignored
3074 
  * +16 = +0x10: dword: ignored
 3075 
  * +16 = +0x10: dword: ignored
3075 
  * +20 = +0x14: (only second character is checked)
 3076 
  * +20 = +0x14: (only second character is checked)
3076 
    /rd=/RAMDISK or /hd=/HARDDISK
 3077 
    /rd=/RAMDISK or /hd=/HARDDISK
3077 
Returned value:
 3078 
Returned value:
3078 
  * if the second character does not belong to set {'r','R','h','H'}:
 3079 
  * if the second character does not belong to set {'r','R','h','H'}:
3079 
    * eax = 3
 3080 
    * eax = 3
3080 
    * ebx = ecx = dword [fileinfo] = 0
 3081 
    * ebx = ecx = dword [fileinfo] = 0
3081 
  * for ramdisk:
 3082 
  * for ramdisk:
3082 
    * eax = 0 (success)
 3083 
    * eax = 0 (success)
3083 
    * ebx = total number of clusters = 2847
 3084 
    * ebx = total number of clusters = 2847
3084 
    * ecx = number of free clusters
 3085 
    * ecx = number of free clusters
3085 
    * dword [fileinfo] = cluster size = 512
 3086 
    * dword [fileinfo] = cluster size = 512
3086 
  * for hard disk: base and partition are defined by subfunctions
 3087 
  * for hard disk: base and partition are defined by subfunctions
3087 
    7 and 8 of function 21:
 3088 
    7 and 8 of function 21:
3088 
    * eax = 0 (success)
 3089 
    * eax = 0 (success)
3089 
    * ebx = total number of clusters
 3090 
    * ebx = total number of clusters
3090 
    * ecx = number of free clusters
 3091 
    * ecx = number of free clusters
3091 
    * dword [fileinfo] = cluster size (in bytes)
 3092 
    * dword [fileinfo] = cluster size (in bytes)
3092 
Remarks:
 3093 
Remarks:
3093 
  * Be not surprised to strange layout of 4th returned parameter
 3094 
  * Be not surprised to strange layout of 4th returned parameter
3094 
    - when this code was writing, at system calls application got
 3095 
    - when this code was writing, at system calls application got
3095 
    only registers eax,ebx,ecx (from pushad-structure transmitted
 3096 
    only registers eax,ebx,ecx (from pushad-structure transmitted
3096 
    as argument to the system function). Now it is corrected, so,
 3097 
    as argument to the system function). Now it is corrected, so,
3097 
    probably, it is meaningful to return cluster size in edx, while
 3098 
    probably, it is meaningful to return cluster size in edx, while
3098 
    this function is not used yet.
 3099 
    this function is not used yet.
3099 
  * There exists also subfunction 11 of function 18,
 3100 
  * There exists also subfunction 11 of function 18,
3100 
    which returns information on file system. From the full table
 3101 
    which returns information on file system. From the full table
3101 
    of disk subsystem it is possible to deduce cluster size (there
 3102 
    of disk subsystem it is possible to deduce cluster size (there
3102 
    it is stored in sectors) and total number of clusters
 3103 
    it is stored in sectors) and total number of clusters
3103 
    for hard disks.
 3104 
    for hard disks.
3104 
 
 3105 
 
3105 
======================================================================
 3106 
======================================================================
3106 
========== Function 60 - Inter Process Communication (IPC). ==========
 3107 
========== Function 60 - Inter Process Communication (IPC). ==========
3107 
======================================================================
 3108 
======================================================================
3108 
IPC is used for message dispatching from one process/thread to
 3109 
IPC is used for message dispatching from one process/thread to
3109 
another. Previously it is necessary to agree how to interpret
 3110 
another. Previously it is necessary to agree how to interpret
3110 
the concrete message.
 3111 
the concrete message.
3111 
 
 3112 
 
3112 
----------- Subfunction 1 - set the area for IPC receiving -----------
 3113 
----------- Subfunction 1 - set the area for IPC receiving -----------
3113 
Is called by process-receiver.
 3114 
Is called by process-receiver.
3114 
Parameters:
 3115 
Parameters:
3115 
  * eax = 60 - function number
 3116 
  * eax = 60 - function number
3116 
  * ebx = 1 - subfunction number
 3117 
  * ebx = 1 - subfunction number
3117 
  * ecx = pointer to the buffer
 3118 
  * ecx = pointer to the buffer
3118 
  * edx = size of the buffer
 3119 
  * edx = size of the buffer
3119 
Returned value:
 3120 
Returned value:
3120 
  * eax = 0 - always success
 3121 
  * eax = 0 - always success
3121 
Format of IPC-buffer:
 3122 
Format of IPC-buffer:
3122 
  * +0: dword: if nonzero, buffer is considered locked;
 3123 
  * +0: dword: if nonzero, buffer is considered locked;
3123 
    lock/unlock the buffer, when you work with it and need that
 3124 
    lock/unlock the buffer, when you work with it and need that
3124 
    buffer data are not changed from outside (no new messages)
 3125 
    buffer data are not changed from outside (no new messages)
3125 
  * +4: dword: occupied place in the buffer (in bytes)
 3126 
  * +4: dword: occupied place in the buffer (in bytes)
3126 
  * +8: first message
 3127 
  * +8: first message
3127 
  * +8+n: second message
 3128 
  * +8+n: second message
3128 
  * ...
 3129 
  * ...
3129 
Format of a message:
 3130 
Format of a message:
3130 
  * +0: dword: PID of sender
 3131 
  * +0: dword: PID of sender
3131 
  * +4: dword: message length (not including this header)
 3132 
  * +4: dword: message length (not including this header)
3132 
  * +8: n*byte: message data
 3133 
  * +8: n*byte: message data
3133 
 
 3134 
 
3134 
------------------ Subfunction 2 - send IPC message ------------------
 3135 
------------------ Subfunction 2 - send IPC message ------------------
3135 
Is called by process-sender.
 3136 
Is called by process-sender.
3136 
Parameters:
 3137 
Parameters:
3137 
  * eax = 60 - function number
 3138 
  * eax = 60 - function number
3138 
  * ebx = 2 - subfunction number
 3139 
  * ebx = 2 - subfunction number
3139 
  * ecx = PID of receiver
 3140 
  * ecx = PID of receiver
3140 
  * edx = pointer to the message data
 3141 
  * edx = pointer to the message data
3141 
  * esi = message length (in bytes)
 3142 
  * esi = message length (in bytes)
3142 
Returned value:
 3143 
Returned value:
3143 
  * eax = 0 - success
 3144 
  * eax = 0 - success
3144 
  * eax = 1 - the receiver has not defined buffer for IPC messages
 3145 
  * eax = 1 - the receiver has not defined buffer for IPC messages
3145 
    (can be, still have no time,
 3146 
    (can be, still have no time,
3146 
    and can be, this is not right process)
 3147 
    and can be, this is not right process)
3147 
  * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit
 3148 
  * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit
3148 
  * eax = 3 - overflow of IPC-buffer of the receiver
 3149 
  * eax = 3 - overflow of IPC-buffer of the receiver
3149 
  * eax = 4 - process/thread with such PID does not exist
 3150 
  * eax = 4 - process/thread with such PID does not exist
3150 
Remarks:
 3151 
Remarks:
3151 
  * Immediately after writing of IPC-message to the buffer the system
 3152 
  * Immediately after writing of IPC-message to the buffer the system
3152 
    sends to the receiver the event with code 7 (see event codes).
 3153 
    sends to the receiver the event with code 7 (see event codes).
3153 
 
 3154 
 
3154 
======================================================================
 3155 
======================================================================
3155 
==== Function 61 - get parameters for the direct graphics access. ====
 3156 
==== Function 61 - get parameters for the direct graphics access. ====
3156 
======================================================================
 3157 
======================================================================
3157 
The data of the graphics screen (the memory area which displays
 3158 
The data of the graphics screen (the memory area which displays
3158 
screen contents) are accessible to a program directly, without
 3159 
screen contents) are accessible to a program directly, without
3159 
any system calls, through the selector gs:
 3160 
any system calls, through the selector gs:
3160 
	mov	eax, [gs:0]
 3161 
	mov	eax, [gs:0]
3161 
places in eax the first dword of the buffer, which contains
 3162 
places in eax the first dword of the buffer, which contains
3162 
information on color of the left upper point (and, possibly, colors
 3163 
information on color of the left upper point (and, possibly, colors
3163 
of several following).
 3164 
of several following).
3164 
	mov	[gs:0], eax
 3165 
	mov	[gs:0], eax
3165 
by work in VESA modes with LFB sets color of the left upper point
 3166 
by work in VESA modes with LFB sets color of the left upper point
3166 
(and, possibly, colors of several following).
 3167 
(and, possibly, colors of several following).
3167 
To interpret the data of graphics screen program needs to know
 3168 
To interpret the data of graphics screen program needs to know
3168 
some parameters, returning by this function.
 3169 
some parameters, returning by this function.
3169 
Remarks:
 3170 
Remarks:
3170 
  * Graphics parameters changes very seldom at work,
 3171 
  * Graphics parameters changes very seldom at work,
3171 
    namely, only in cases, when user works with the application VRR.
 3172 
    namely, only in cases, when user works with the application VRR.
3172 
  * At videomode change the system redraws all windows (event
 3173 
  * At videomode change the system redraws all windows (event
3173 
    with code 1) and redraws the background (event 5).
 3174 
    with code 1) and redraws the background (event 5).
3174 
    Same events occur in other cases too, which meet much more often,
 3175 
    Same events occur in other cases too, which meet much more often,
3175 
    than videomode change.
 3176 
    than videomode change.
3176 
  * By operation in videomodes with LFB the selector gs points to
 3177 
  * By operation in videomodes with LFB the selector gs points to
3177 
    LFB itself, so reading/writing on gs result directly in
 3178 
    LFB itself, so reading/writing on gs result directly in
3178 
    change of screen contents. By operation in videomodes without
 3179 
    change of screen contents. By operation in videomodes without
3179 
    LFB gs points to some data area in the kernel, and all functions
 3180 
    LFB gs points to some data area in the kernel, and all functions
3180 
    of screen output fulfil honesty double operation on writing
 3181 
    of screen output fulfil honesty double operation on writing
3181 
    directly to the screen and writing to this buffer. In result
 3182 
    directly to the screen and writing to this buffer. In result
3182 
    at reading contents of this buffer the results correspond to
 3183 
    at reading contents of this buffer the results correspond to
3183 
    screen contents (with, generally speaking, large color
 3184 
    screen contents (with, generally speaking, large color
3184 
    resolution), and writing is ignored.
 3185 
    resolution), and writing is ignored.
3185 
    One exception is the mode 320*200, for which main loop of the
 3186 
    One exception is the mode 320*200, for which main loop of the
3186 
    system thread updates the screen according to mouse movements.
 3187 
    system thread updates the screen according to mouse movements.
3187 
 
 3188 
 
3188 
------------------------- Screen resolution --------------------------
 3189 
------------------------- Screen resolution --------------------------
3189 
Parameters:
 3190 
Parameters:
3190 
  * eax = 61 - function number
 3191 
  * eax = 61 - function number
3191 
  * ebx = 1 - subfunction number
 3192 
  * ebx = 1 - subfunction number
3192 
Returned value:
 3193 
Returned value:
3193 
  * eax = [resolution on x axis]*65536 + [resolution on y axis]
 3194 
  * eax = [resolution on x axis]*65536 + [resolution on y axis]
3194 
Remarks:
 3195 
Remarks:
3195 
  * One can use function 14 paying attention that
 3196 
  * One can use function 14 paying attention that
3196 
    it returns sizes on 1 pixel less. It is fully equivalent way.
 3197 
    it returns sizes on 1 pixel less. It is fully equivalent way.
3197 
 
 3198 
 
3198 
---------------------- Number of bits per pixel ----------------------
 3199 
---------------------- Number of bits per pixel ----------------------
3199 
Parameters:
 3200 
Parameters:
3200 
  * eax = 61 - function number
 3201 
  * eax = 61 - function number
3201 
  * ebx = 2 - subfunction number
 3202 
  * ebx = 2 - subfunction number
3202 
Returned value:
 3203 
Returned value:
3203 
  * eax = number of bits per pixel (24 or 32)
 3204 
  * eax = number of bits per pixel (24 or 32)
3204 
 
 3205 
 
3205 
-------------------- Number of bytes per scanline --------------------
 3206 
-------------------- Number of bytes per scanline --------------------
3206 
Parameters:
 3207 
Parameters:
3207 
  * eax = 61 - function number
 3208 
  * eax = 61 - function number
3208 
  * ebx = 3 - subfunction number
 3209 
  * ebx = 3 - subfunction number
3209 
Returned value:
 3210 
Returned value:
3210 
  * eax = number of bytes occupied by one scanline
 3211 
  * eax = number of bytes occupied by one scanline
3211 
    (horizontal line on the screen)
 3212 
    (horizontal line on the screen)
3212 
 
 3213 
 
3213 
======================================================================
 3214 
======================================================================
3214 
===== Function 62, subfunction 0 - get version of PCI-interface. =====
 3215 
===== Function 62, subfunction 0 - get version of PCI-interface. =====
3215 
======================================================================
 3216 
======================================================================
3216 
Parameters:
 3217 
Parameters:
3217 
  * eax = 62 - function number
 3218 
  * eax = 62 - function number
3218 
  * bl = 0 - subfunction number
 3219 
  * bl = 0 - subfunction number
3219 
Returned value:
 3220 
Returned value:
3220 
  * eax = -1 - PCI access is disabled; otherwise
 3221 
  * eax = -1 - PCI access is disabled; otherwise
3221 
  * ah.al = version of PCI-interface (ah=version, al=subversion)
 3222 
  * ah.al = version of PCI-interface (ah=version, al=subversion)
3222 
  * high word of eax is zeroed
 3223 
  * high word of eax is zeroed
3223 
Remarks:
 3224 
Remarks:
3224 
  * Previously low-level access to PCI for applications must be
 3225 
  * Previously low-level access to PCI for applications must be
3225 
    enabled by subfunction 12 of function 21.
 3226 
    enabled by subfunction 12 of function 21.
3226 
  * If PCI BIOS is not supported, the value of ax is undefined.
 3227 
  * If PCI BIOS is not supported, the value of ax is undefined.
3227 
 
 3228 
 
3228 
======================================================================
 3229 
======================================================================
3229 
==== Function 62, subfunction 1 - get number of the last PCI-bus. ====
 3230 
==== Function 62, subfunction 1 - get number of the last PCI-bus. ====
3230 
======================================================================
 3231 
======================================================================
3231 
Parameters:
 3232 
Parameters:
3232 
  * eax = 62 - function number
 3233 
  * eax = 62 - function number
3233 
  * bl = 1 - subfunction number
 3234 
  * bl = 1 - subfunction number
3234 
Returned value:
 3235 
Returned value:
3235 
  * eax = -1 - access to PCI is disabled; otherwise
 3236 
  * eax = -1 - access to PCI is disabled; otherwise
3236 
  * al = number of the last PCI-bus; other bytes of eax are destroyed
 3237 
  * al = number of the last PCI-bus; other bytes of eax are destroyed
3237 
Remarks:
 3238 
Remarks:
3238 
  * Previously low-level access to PCI for applications must be
 3239 
  * Previously low-level access to PCI for applications must be
3239 
    enabled by subfunction 12 of function 21.
 3240 
    enabled by subfunction 12 of function 21.
3240 
  * If PCI BIOS is not supported, the value of ax is undefined.
 3241 
  * If PCI BIOS is not supported, the value of ax is undefined.
3241 
 
 3242 
 
3242 
======================================================================
 3243 
======================================================================
3243 
===================== Function 62, subfunction 2 =====================
 3244 
===================== Function 62, subfunction 2 =====================
3244 
===== Get mechanism of addressing to the PCI configuration space. ====
 3245 
===== Get mechanism of addressing to the PCI configuration space. ====
3245 
======================================================================
 3246 
======================================================================
3246 
Parameters:
 3247 
Parameters:
3247 
  * eax = 62 - function number
 3248 
  * eax = 62 - function number
3248 
  * bl = 2 - subfunction number
 3249 
  * bl = 2 - subfunction number
3249 
Returned value:
 3250 
Returned value:
3250 
  * eax = -1 - access to PCI is disabled; otherwise
 3251 
  * eax = -1 - access to PCI is disabled; otherwise
3251 
  * al = mechanism (1 or 2); other bytes of eax are destroyed
 3252 
  * al = mechanism (1 or 2); other bytes of eax are destroyed
3252 
Remarks:
 3253 
Remarks:
3253 
  * Previously low-level access to PCI for applications must be
 3254 
  * Previously low-level access to PCI for applications must be
3254 
    enabled by subfunction 12 of function 21.
 3255 
    enabled by subfunction 12 of function 21.
3255 
  * Addressing mechanism is selected depending on
 3256 
  * Addressing mechanism is selected depending on
3256 
    equipment characteristics.
 3257 
    equipment characteristics.
3257 
  * Subfunctions of read and write work automatically
 3258 
  * Subfunctions of read and write work automatically
3258 
    with the selected mechanism.
 3259 
    with the selected mechanism.
3259 
 
 3260 
 
3260 
======================================================================
 3261 
======================================================================
3261 
======== Function 62, subfunctions 4,5,6 - read PCI-register. ========
 3262 
======== Function 62, subfunctions 4,5,6 - read PCI-register. ========
3262 
======================================================================
 3263 
======================================================================
3263 
Parameters:
 3264 
Parameters:
3264 
  * eax = 62 - function number
 3265 
  * eax = 62 - function number
3265 
  * bl = 4 - read byte
 3266 
  * bl = 4 - read byte
3266 
  * bl = 5 - read word
 3267 
  * bl = 5 - read word
3267 
  * bl = 6 - read dword
 3268 
  * bl = 6 - read dword
3268 
  * bh = number of PCI-bus
 3269 
  * bh = number of PCI-bus
3269 
  * ch = dddddfff, where ddddd = number of the device on the bus,
 3270 
  * ch = dddddfff, where ddddd = number of the device on the bus,
3270 
    fff = function number of device
 3271 
    fff = function number of device
3271 
  * cl = number of register (must be even for bl=5,
 3272 
  * cl = number of register (must be even for bl=5,
3272 
    divisible by 4 for bl=6)
 3273 
    divisible by 4 for bl=6)
3273 
Returned value:
 3274 
Returned value:
3274 
  * eax = -1 - error (access to PCI is disabled or parameters
 3275 
  * eax = -1 - error (access to PCI is disabled or parameters
3275 
    are not supported); otherwise
 3276 
    are not supported); otherwise
3276 
  * al/ax/eax (depending on requested size) contains the data;
 3277 
  * al/ax/eax (depending on requested size) contains the data;
3277 
    the other part of register eax is destroyed
 3278 
    the other part of register eax is destroyed
3278 
Remarks:
 3279 
Remarks:
3279 
  * Previously low-level access to PCI for applications must be
 3280 
  * Previously low-level access to PCI for applications must be
3280 
    enabled by subfunction 12 of function 21.
 3281 
    enabled by subfunction 12 of function 21.
3281 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
 3282 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
3282 
    function number. To get access mechanism use subfunction 2.
 3283 
    function number. To get access mechanism use subfunction 2.
3283 
  * Some registers are standard and exist for all devices, some are
 3284 
  * Some registers are standard and exist for all devices, some are
3284 
    defined by the concrete device. The list of registers of the
 3285 
    defined by the concrete device. The list of registers of the
3285 
    first type can be found e.g. in famous
 3286 
    first type can be found e.g. in famous
3286 
    Interrupt List by Ralf Brown
 3287 
    Interrupt List by Ralf Brown
3287 
    (http://www.pobox.com/~ralf/files.html,
 3288 
    (http://www.pobox.com/~ralf/files.html,
3288 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/);
 3289 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/);
3289 
    registers of the second type must be listed
 3290 
    registers of the second type must be listed
3290 
    in the device documentation.
 3291 
    in the device documentation.
3291 
 
 3292 
 
3292 
======================================================================
 3293 
======================================================================
3293 
====== Function 62, subfunctions 8,9,10 - write to PCI-register. =====
 3294 
====== Function 62, subfunctions 8,9,10 - write to PCI-register. =====
3294 
======================================================================
 3295 
======================================================================
3295 
Parameters:
 3296 
Parameters:
3296 
  * eax = 62 - function number
 3297 
  * eax = 62 - function number
3297 
  * bl = 8 - write byte
 3298 
  * bl = 8 - write byte
3298 
  * bl = 9 - write word
 3299 
  * bl = 9 - write word
3299 
  * bl = 10 - write dword
 3300 
  * bl = 10 - write dword
3300 
  * bh = number of PCI-bus
 3301 
  * bh = number of PCI-bus
3301 
  * ch = dddddfff, where ddddd = number of the device on the bus,
 3302 
  * ch = dddddfff, where ddddd = number of the device on the bus,
3302 
    fff = function number of device
 3303 
    fff = function number of device
3303 
  * cl = number of register (must be even for bl=9,
 3304 
  * cl = number of register (must be even for bl=9,
3304 
    divisible by 4 for bl=10)
 3305 
    divisible by 4 for bl=10)
3305 
  * dl/dx/edx (depending on requested size) contatins
 3306 
  * dl/dx/edx (depending on requested size) contatins
3306 
    the data to write
 3307 
    the data to write
3307 
Returned value:
 3308 
Returned value:
3308 
  * eax = -1 - error (access to PCI is disabled or parameters
 3309 
  * eax = -1 - error (access to PCI is disabled or parameters
3309 
    are not supported)
 3310 
    are not supported)
3310 
  * eax = 0 - success
 3311 
  * eax = 0 - success
3311 
Remarks:
 3312 
Remarks:
3312 
  * Previously low-level access to PCI for applications must be
 3313 
  * Previously low-level access to PCI for applications must be
3313 
    enabled by subfunction 12 of function 21.
 3314 
    enabled by subfunction 12 of function 21.
3314 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
 3315 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
3315 
    function number. To get access mechanism use subfunction 2.
 3316 
    function number. To get access mechanism use subfunction 2.
3316 
  * Some registers are standard and exist for all devices, some are
 3317 
  * Some registers are standard and exist for all devices, some are
3317 
    defined by the concrete device. The list of registers of the
 3318 
    defined by the concrete device. The list of registers of the
3318 
    first type can be found e.g. in famous Interrupt List by
 3319 
    first type can be found e.g. in famous Interrupt List by
3319 
    Ralf Brown; registers of the second type must be listed
 3320 
    Ralf Brown; registers of the second type must be listed
3320 
    in the device documentation.
 3321 
    in the device documentation.
3321 
 
 3322 
 
3322 
======================================================================
 3323 
======================================================================
3323 
============== Function 63 - work with the debug board. ==============
 3324 
============== Function 63 - work with the debug board. ==============
3324 
======================================================================
 3325 
======================================================================
3325 
The debug board is the global system buffer (with the size
 3326 
The debug board is the global system buffer (with the size
3326 
1024 bytes), to which any program can write (generally speaking,
 3327 
1024 bytes), to which any program can write (generally speaking,
3327 
arbitrary) data and from which other program can read these data.
 3328 
arbitrary) data and from which other program can read these data.
3328 
By the agreement written data are text strings interpreted as
 3329 
By the agreement written data are text strings interpreted as
3329 
debug messages on a course of program execution. The kernel in
 3330 
debug messages on a course of program execution. The kernel in
3330 
some situations also writes to the debug board information on
 3331 
some situations also writes to the debug board information on
3331 
execution of some functions; by the agreement kernel messages
 3332 
execution of some functions; by the agreement kernel messages
3332 
begins from the prefix "K : ".
 3333 
begins from the prefix "K : ".
3333 
For view of the debug board the application 'board' was created,
 3334 
For view of the debug board the application 'board' was created,
3334 
which reads data from the buffer and displays them in its window.
 3335 
which reads data from the buffer and displays them in its window.
3335 
'board' interpretes the sequence of codes 13,10 as newline.
 3336 
'board' interpretes the sequence of codes 13,10 as newline.
3336 
A character with null code in an end of line is not necessary,
 3337 
A character with null code in an end of line is not necessary,
3337 
but also does not prevent.
 3338 
but also does not prevent.
3338 
Because debugger has been written, the value of the debug board
 3339 
Because debugger has been written, the value of the debug board
3339 
has decreased, as debugger allows to inspect completely a course of
 3340 
has decreased, as debugger allows to inspect completely a course of
3340 
program execution without any efforts from the direction of program
 3341 
program execution without any efforts from the direction of program
3341 
itself. Nevertheless in some cases the debug board is still useful.
 3342 
itself. Nevertheless in some cases the debug board is still useful.
3342 
 
 3343 
 
3343 
----------------------------- Write byte -----------------------------
 3344 
----------------------------- Write byte -----------------------------
3344 
Parameters:
 3345 
Parameters:
3345 
  * eax = 63 - function number
 3346 
  * eax = 63 - function number
3346 
  * ebx = 1 - subfunction number
 3347 
  * ebx = 1 - subfunction number
3347 
  * cl = data byte
 3348 
  * cl = data byte
3348 
Returned value:
 3349 
Returned value:
3349 
  * function does not return value
 3350 
  * function does not return value
3350 
Remarks:
 3351 
Remarks:
3351 
  * Byte is written to the buffer. Buffer size is 512 bytes.
 3352 
  * Byte is written to the buffer. Buffer size is 512 bytes.
3352 
    At buffer overflow all obtained data are lost.
 3353 
    At buffer overflow all obtained data are lost.
3353 
  * For output to the debug board of more complicated objects
 3354 
  * For output to the debug board of more complicated objects
3354 
    (strings, numbers) it is enough to call this function in cycle.
 3355 
    (strings, numbers) it is enough to call this function in cycle.
3355 
    It is possible not to write the appropriate code manually and use
 3356 
    It is possible not to write the appropriate code manually and use
3356 
    file 'debug.inc', which is included into the distributive.
 3357 
    file 'debug.inc', which is included into the distributive.
3357 
 
 3358 
 
3358 
----------------------------- Read byte ------------------------------
 3359 
----------------------------- Read byte ------------------------------
3359 
Takes away byte from the buffer.
 3360 
Takes away byte from the buffer.
3360 
Parameters:
 3361 
Parameters:
3361 
  * eax = 63 - function number
 3362 
  * eax = 63 - function number
3362 
  * ebx = 2 - subfunction number
 3363 
  * ebx = 2 - subfunction number
3363 
Returned value:
 3364 
Returned value:
3364 
  * eax = ebx = 0 - the buffer is empty
 3365 
  * eax = ebx = 0 - the buffer is empty
3365 
  * eax = byte, ebx = 1 - byte was successfully read
 3366 
  * eax = byte, ebx = 1 - byte was successfully read
3366 
 
 3367 
 
3367 
======================================================================
 3368 
======================================================================
3368 
============== Function 64 - resize application memory. ==============
 3369 
============== Function 64 - resize application memory. ==============
3369 
======================================================================
 3370 
======================================================================
3370 
Parameters:
 3371 
Parameters:
3371 
  * eax = 64 - function number
 3372 
  * eax = 64 - function number
3372 
  * ebx = 1 - unique subfunction
 3373 
  * ebx = 1 - unique subfunction
3373 
  * ecx = new memory size
 3374 
  * ecx = new memory size
3374 
Returned value:
 3375 
Returned value:
3375 
  * eax = 0 - success
 3376 
  * eax = 0 - success
3376 
  * eax = 1 - not enough memory
 3377 
  * eax = 1 - not enough memory
3377 
Remarks:
 3378 
Remarks:
3378 
  * There is another way to dynamically allocate/free memory -
 3379 
  * There is another way to dynamically allocate/free memory -
3379 
    subfunctions 11, 12, 13 of function 68.
 3380 
    subfunctions 11, 12, 13 of function 68.
3380 
  * The function cannot be used together with 68.11, 68.12, 68.13.
 3381 
  * The function cannot be used together with 68.11, 68.12, 68.13.
3381 
    The function call will be ignored after creation of process heap
 3382 
    The function call will be ignored after creation of process heap
3382 
    with function 68.11.
 3383 
    with function 68.11.
3383 
 
 3384 
 
3384 
======================================================================
 3385 
======================================================================
3385 
======== Function 65 - draw image with palette in the window. ========
 3386 
======== Function 65 - draw image with palette in the window. ========
3386 
======================================================================
 3387 
======================================================================
3387 
Parameters:
 3388 
Parameters:
3388 
  * eax = 65 - function number
 3389 
  * eax = 65 - function number
3389 
  * ebx = pointer to the image
 3390 
  * ebx = pointer to the image
3390 
  * ecx = [size on axis x]*65536 + [size on axis y]
 3391 
  * ecx = [size on axis x]*65536 + [size on axis y]
3391 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 3392 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
3392 
  * esi = number of bits per pixel, must be 8, 24 or 32
 3393 
  * esi = number of bits per pixel, must be 8, 24 or 32
3393 
  * edi = pointer to palette (256 colors 0x00RRGGBB);
 3394 
  * edi = pointer to palette (256 colors 0x00RRGGBB);
3394 
          ignored when esi = 24 and 32
 3395 
          ignored when esi = 24 and 32
3395 
  * ebp = offset of next row data relative to previous row data
 3396 
  * ebp = offset of next row data relative to previous row data
3396 
Returned value:
 3397 
Returned value:
3397 
  * function does not return value
 3398 
  * function does not return value
3398 
Remarks:
 3399 
Remarks:
3399 
  * Coordinates of the image are coordinates of the upper left corner
 3400 
  * Coordinates of the image are coordinates of the upper left corner
3400 
    of the image relative to the window.
 3401 
    of the image relative to the window.
3401 
  * Size of the image in bytes is xsize*ysize.
 3402 
  * Size of the image in bytes is xsize*ysize.
3402 
  * Each byte of image is index in the palette.
 3403 
  * Each byte of image is index in the palette.
3403 
  * If the image uses less than 256 colors, palette size may be
 3404 
  * If the image uses less than 256 colors, palette size may be
3404 
    less than 256 too.
 3405 
    less than 256 too.
3405 
  * The call to function 7 is equivalent to call to this function
 3406 
  * The call to function 7 is equivalent to call to this function
3406 
    with esi=24, ebp=0.
 3407 
    with esi=24, ebp=0.
3407 
 
 3408 
 
3408 
======================================================================
 3409 
======================================================================
3409 
================== Function 66 - work with keyboard. =================
 3410 
================== Function 66 - work with keyboard. =================
3410 
======================================================================
 3411 
======================================================================
3411 
The input mode influences results of reading keys by function 2.
 3412 
The input mode influences results of reading keys by function 2.
3412 
When a program loads, ASCII input mode is set for it.
 3413 
When a program loads, ASCII input mode is set for it.
3413 
 
 3414 
 
3414 
-------------- Subfunction 1 - set keyboard input mode. --------------
 3415 
-------------- Subfunction 1 - set keyboard input mode. --------------
3415 
Parameters:
 3416 
Parameters:
3416 
  * eax = 66 - function number
 3417 
  * eax = 66 - function number
3417 
  * ebx = 1 - subfunction number
 3418 
  * ebx = 1 - subfunction number
3418 
  * ecx = mode:
 3419 
  * ecx = mode:
3419 
    * 0 = normal (ASCII-characters)
 3420 
    * 0 = normal (ASCII-characters)
3420 
    * 1 = scancodes
 3421 
    * 1 = scancodes
3421 
Returned value:
 3422 
Returned value:
3422 
  * function does not return value
 3423 
  * function does not return value
3423 
 
 3424 
 
3424 
-------------- Subfunction 2 - get keyboard input mode. --------------
 3425 
-------------- Subfunction 2 - get keyboard input mode. --------------
3425 
Parameters:
 3426 
Parameters:
3426 
  * eax = 66 - function number
 3427 
  * eax = 66 - function number
3427 
  * ebx = 2 - subfunction number
 3428 
  * ebx = 2 - subfunction number
3428 
Returned value:
 3429 
Returned value:
3429 
  * eax = current mode
 3430 
  * eax = current mode
3430 
 
 3431 
 
3431 
------------ Subfunction 3 - get status of control keys. -------------
 3432 
------------ Subfunction 3 - get status of control keys. -------------
3432 
Parameters:
 3433 
Parameters:
3433 
  * eax = 66 - function number
 3434 
  * eax = 66 - function number
3434 
  * ebx = 3 - subfunction number
 3435 
  * ebx = 3 - subfunction number
3435 
Returned value:
 3436 
Returned value:
3436 
  * eax = bit mask:
 3437 
  * eax = bit mask:
3437 
  * bit 0 (mask 1): left Shift is pressed
 3438 
  * bit 0 (mask 1): left Shift is pressed
3438 
  * bit 1 (mask 2): right Shift is pressed
 3439 
  * bit 1 (mask 2): right Shift is pressed
3439 
  * bit 2 (mask 4): left Ctrl is pressed
 3440 
  * bit 2 (mask 4): left Ctrl is pressed
3440 
  * bit 3 (mask 8): right Ctrl is pressed
 3441 
  * bit 3 (mask 8): right Ctrl is pressed
3441 
  * bit 4 (mask 0x10): left Alt is pressed
 3442 
  * bit 4 (mask 0x10): left Alt is pressed
3442 
  * bit 5 (mask 0x20): right Alt is pressed
 3443 
  * bit 5 (mask 0x20): right Alt is pressed
3443 
  * bit 6 (mask 0x40): CapsLock is on
 3444 
  * bit 6 (mask 0x40): CapsLock is on
3444 
  * bit 7 (mask 0x80): NumLock is on
 3445 
  * bit 7 (mask 0x80): NumLock is on
3445 
  * bit 8 (mask 0x100): ScrollLock is on
 3446 
  * bit 8 (mask 0x100): ScrollLock is on
3446 
  * other bits are cleared
 3447 
  * other bits are cleared
3447 
 
 3448 
 
3448 
-------------- Subfunction 4 - set system-wide hotkey. ---------------
 3449 
-------------- Subfunction 4 - set system-wide hotkey. ---------------
3449 
When hotkey is pressed, the system notifies only those applications,
 3450 
When hotkey is pressed, the system notifies only those applications,
3450 
which have installed it; the active application (which receives
 3451 
which have installed it; the active application (which receives
3451 
all normal input) does not receive such keys.
 3452 
all normal input) does not receive such keys.
3452 
The notification consists in sending event with the code 2.
 3453 
The notification consists in sending event with the code 2.
3453 
Reading hotkey is the same as reading normal key - by function 2.
 3454 
Reading hotkey is the same as reading normal key - by function 2.
3454 
Parameters:
 3455 
Parameters:
3455 
  * eax = 66 - function number
 3456 
  * eax = 66 - function number
3456 
  * ebx = 4 - subfunction number
 3457 
  * ebx = 4 - subfunction number
3457 
  * cl determines key scancode;
 3458 
  * cl determines key scancode;
3458 
    use cl=0 to give combinations such as Ctrl+Shift
 3459 
    use cl=0 to give combinations such as Ctrl+Shift
3459 
  * edx = 0xXYZ determines possible states of control keys:
 3460 
  * edx = 0xXYZ determines possible states of control keys:
3460 
    * Z (low 4 bits) determines state of LShift and RShift:
 3461 
    * Z (low 4 bits) determines state of LShift and RShift:
3461 
      * 0 = no key must be pressed;
 3462 
      * 0 = no key must be pressed;
3462 
      * 1 = exactly one key must be pressed;
 3463 
      * 1 = exactly one key must be pressed;
3463 
      * 2 = both keys must be pressed;
 3464 
      * 2 = both keys must be pressed;
3464 
      * 3 = must be pressed LShift, but not RShift;
 3465 
      * 3 = must be pressed LShift, but not RShift;
3465 
      * 4 = must be pressed RShift, but not LShift
 3466 
      * 4 = must be pressed RShift, but not LShift
3466 
    * Y - similar for LCtrl and RCtrl;
 3467 
    * Y - similar for LCtrl and RCtrl;
3467 
    * X - similar for LAlt and RAlt
 3468 
    * X - similar for LAlt and RAlt
3468 
Returned value:
 3469 
Returned value:
3469 
  * eax=0 - success
 3470 
  * eax=0 - success
3470 
  * eax=1 - too mant hotkeys (maximum 256 are allowed)
 3471 
  * eax=1 - too mant hotkeys (maximum 256 are allowed)
3471 
Remarks:
 3472 
Remarks:
3472 
  * Hotkey can work either at pressing or at release. Release
 3473 
  * Hotkey can work either at pressing or at release. Release
3473 
    scancode of a key is more on 128 than pressing scancode
 3474 
    scancode of a key is more on 128 than pressing scancode
3474 
    (i.e. high bit is set).
 3475 
    (i.e. high bit is set).
3475 
  * Several applications can set the same combination;
 3476 
  * Several applications can set the same combination;
3476 
    all such applications will be informed on pressing
 3477 
    all such applications will be informed on pressing
3477 
    such combination.
 3478 
    such combination.
3478 
 
 3479 
 
3479 
-------------- Subfunction 5 - delete installed hotkey. --------------
 3480 
-------------- Subfunction 5 - delete installed hotkey. --------------
3480 
Parameters:
 3481 
Parameters:
3481 
  * eax = 66 - function number
 3482 
  * eax = 66 - function number
3482 
  * ebx = 5 - subfunction number
 3483 
  * ebx = 5 - subfunction number
3483 
  * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4
 3484 
  * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4
3484 
Returned value:
 3485 
Returned value:
3485 
  * eax = 0 - success
 3486 
  * eax = 0 - success
3486 
  * eax = 1 - there is no such hotkey
 3487 
  * eax = 1 - there is no such hotkey
3487 
Remarks:
 3488 
Remarks:
3488 
  * When a process/thread terminates, all hotkey installed by it are
 3489 
  * When a process/thread terminates, all hotkey installed by it are
3489 
    deleted.
 3490 
    deleted.
3490 
  * The call to this subfunction does not affect other applications.
 3491 
  * The call to this subfunction does not affect other applications.
3491 
    If other application has defined the same combination, it will
 3492 
    If other application has defined the same combination, it will
3492 
    still receive notices.
 3493 
    still receive notices.
3493 
 
 3494 
 
3494 
======================================================================
 3495 
======================================================================
3495 
========= Function 67 - change position/sizes of the window. =========
 3496 
========= Function 67 - change position/sizes of the window. =========
3496 
======================================================================
 3497 
======================================================================
3497 
Parameters:
 3498 
Parameters:
3498 
  * eax = 67 - function number
 3499 
  * eax = 67 - function number
3499 
  * ebx = new x-coordinate of the window
 3500 
  * ebx = new x-coordinate of the window
3500 
  * ecx = new y-coordinate of the window
 3501 
  * ecx = new y-coordinate of the window
3501 
  * edx = new x-size of the window
 3502 
  * edx = new x-size of the window
3502 
  * esi = new y-size of the window
 3503 
  * esi = new y-size of the window
3503 
Returned value:
 3504 
Returned value:
3504 
  * function does not return value
 3505 
  * function does not return value
3505 
Remarks:
 3506 
Remarks:
3506 
  * The value -1 for a parameter means "do not change"; e.g. to move
 3507 
  * The value -1 for a parameter means "do not change"; e.g. to move
3507 
    the window without resizing it is possible to specify edx=esi=-1.
 3508 
    the window without resizing it is possible to specify edx=esi=-1.
3508 
  * Previously the window must be defined by function 0.
 3509 
  * Previously the window must be defined by function 0.
3509 
    It sets initial coordinates and sizes of the window.
 3510 
    It sets initial coordinates and sizes of the window.
3510 
  * Sizes of the window are understood in sense of function 0,
 3511 
  * Sizes of the window are understood in sense of function 0,
3511 
    that is one pixel less than real sizes.
 3512 
    that is one pixel less than real sizes.
3512 
  * The function call for maximized windows is simply ignored.
 3513 
  * The function call for maximized windows is simply ignored.
3513 
  * For windows of appropriate styles position and/or sizes can be
 3514 
  * For windows of appropriate styles position and/or sizes can be
3514 
    changed by user; current position and sizes can be obtained by
 3515 
    changed by user; current position and sizes can be obtained by
3515 
    call to function 9.
 3516 
    call to function 9.
3516 
  * The function sends to the window redraw event (with the code 1).
 3517 
  * The function sends to the window redraw event (with the code 1).
3517 
 
 3518 
 
3518 
======================================================================
 3519 
======================================================================
3519 
====== Function 68, subfunction 0 - get the task switch counter. =====
 3520 
====== Function 68, subfunction 0 - get the task switch counter. =====
3520 
======================================================================
 3521 
======================================================================
3521 
Parameters:
 3522 
Parameters:
3522 
  * eax = 68 - function number
 3523 
  * eax = 68 - function number
3523 
  * ebx = 0 - subfunction number
 3524 
  * ebx = 0 - subfunction number
3524 
Returned value:
 3525 
Returned value:
3525 
  * eax = number of task switches from the system booting
 3526 
  * eax = number of task switches from the system booting
3526 
    (modulo 2^32)
 3527 
    (modulo 2^32)
3527 
 
 3528 
 
3528 
======================================================================
 3529 
======================================================================
3529 
======= Function 68, subfunction 1 - switch to the next thread. ======
 3530 
======= Function 68, subfunction 1 - switch to the next thread. ======
3530 
======================================================================
 3531 
======================================================================
3531 
The function completes the current time slice allocated to the
 3532 
The function completes the current time slice allocated to the
3532 
thread and switches to the next. (Which thread in which process
 3533 
thread and switches to the next. (Which thread in which process
3533 
will be next, is unpredictable). Later, when execution queue
 3534 
will be next, is unpredictable). Later, when execution queue
3534 
will reach the current thread, execution will be continued.
 3535 
will reach the current thread, execution will be continued.
3535 
Parameters:
 3536 
Parameters:
3536 
  * eax = 68 - function number
 3537 
  * eax = 68 - function number
3537 
  * ebx = 1 - subfunction number
 3538 
  * ebx = 1 - subfunction number
3538 
Returned value:
 3539 
Returned value:
3539 
  * function does not return value
 3540 
  * function does not return value
3540 
 
 3541 
 
3541 
======================================================================
 3542 
======================================================================
3542 
============= Function 68, subfunction 2 - cache + rdpmc. ============
 3543 
============= Function 68, subfunction 2 - cache + rdpmc. ============
3543 
======================================================================
 3544 
======================================================================
3544 
Parameters:
 3545 
Parameters:
3545 
  * eax = 68 - function number
 3546 
  * eax = 68 - function number
3546 
  * ebx = 2 - subfunction number
 3547 
  * ebx = 2 - subfunction number
3547 
  * ecx = required action:
 3548 
  * ecx = required action:
3548 
    * ecx = 0 - enable instruction 'rdpmc'
 3549 
    * ecx = 0 - enable instruction 'rdpmc'
3549 
      (ReaD Performance-Monitoring Counters) for applications
 3550 
      (ReaD Performance-Monitoring Counters) for applications
3550 
    * ecx = 1 - find out whether cache is disabled/enabled
 3551 
    * ecx = 1 - find out whether cache is disabled/enabled
3551 
    * ecx = 2 - enable cache
 3552 
    * ecx = 2 - enable cache
3552 
    * ecx = 3 - disable cache
 3553 
    * ecx = 3 - disable cache
3553 
Returned value:
 3554 
Returned value:
3554 
  * for ecx=0:
 3555 
  * for ecx=0:
3555 
    * eax = the value of cr4
 3556 
    * eax = the value of cr4
3556 
  * for ecx=1:
 3557 
  * for ecx=1:
3557 
    * eax = (cr0 and 0x60000000):
 3558 
    * eax = (cr0 and 0x60000000):
3558 
    * eax = 0 - cache is on
 3559 
    * eax = 0 - cache is on
3559 
    * eax <> 0 - cache is off
 3560 
    * eax <> 0 - cache is off
3560 
  * for ecx=2 and ecx=3:
 3561 
  * for ecx=2 and ecx=3:
3561 
    * function does not return value
 3562 
    * function does not return value
3562 
 
 3563 
 
3563 
======================================================================
 3564 
======================================================================
3564 
=========== Function 68, subfunction 3 - read MSR-register. ==========
 3565 
=========== Function 68, subfunction 3 - read MSR-register. ==========
3565 
======================================================================
 3566 
======================================================================
3566 
MSR = Model Specific Register; the complete list of MSR-registers
 3567 
MSR = Model Specific Register; the complete list of MSR-registers
3567 
of a processor is included to the documentation on it (for example,
 3568 
of a processor is included to the documentation on it (for example,
3568 
IA-32 Intel Architecture Software Developer's Manual,
 3569 
IA-32 Intel Architecture Software Developer's Manual,
3569 
Volume 3, Appendix B); each processor family has its own subset
 3570 
Volume 3, Appendix B); each processor family has its own subset
3570 
of the MSR-registers.
 3571 
of the MSR-registers.
3571 
Parameters:
 3572 
Parameters:
3572 
  * eax = 68 - function number
 3573 
  * eax = 68 - function number
3573 
  * ebx = 3 - subfunction number
 3574 
  * ebx = 3 - subfunction number
3574 
  * ecx is ignored
 3575 
  * ecx is ignored
3575 
  * edx = MSR address
 3576 
  * edx = MSR address
3576 
Returned value:
 3577 
Returned value:
3577 
  * ebx:eax = high:low dword of the result
 3578 
  * ebx:eax = high:low dword of the result
3578 
Remarks:
 3579 
Remarks:
3579 
  * If ecx contains nonexistent or not implemented for this processor
 3580 
  * If ecx contains nonexistent or not implemented for this processor
3580 
    MSR, processor will generate an exception in the kernel, which
 3581 
    MSR, processor will generate an exception in the kernel, which
3581 
    will kill the thread.
 3582 
    will kill the thread.
3582 
  * Previously it is necessary to check, whether MSRs are supported
 3583 
  * Previously it is necessary to check, whether MSRs are supported
3583 
    as a whole, with the instruction 'cpuid'. Otherwise processor
 3584 
    as a whole, with the instruction 'cpuid'. Otherwise processor
3584 
    will generate other exception in the kernel, which will anyway
 3585 
    will generate other exception in the kernel, which will anyway
3585 
    kill the thread.
 3586 
    kill the thread.
3586 
 
 3587 
 
3587 
======================================================================
 3588 
======================================================================
3588 
========= Function 68, subfunction 4 - write to MSR-register. ========
 3589 
========= Function 68, subfunction 4 - write to MSR-register. ========
3589 
======================================================================
 3590 
======================================================================
3590 
MSR = Model Specific Register; the complete list of MSR-registers
 3591 
MSR = Model Specific Register; the complete list of MSR-registers
3591 
of a processor is included to the documentation on it (for example,
 3592 
of a processor is included to the documentation on it (for example,
3592 
IA-32 Intel Architecture Software Developer's Manual,
 3593 
IA-32 Intel Architecture Software Developer's Manual,
3593 
Volume 3, Appendix B); each processor family has its own subset
 3594 
Volume 3, Appendix B); each processor family has its own subset
3594 
of the MSR-registers.
 3595 
of the MSR-registers.
3595 
Parameters:
 3596 
Parameters:
3596 
  * eax = 68 - function number
 3597 
  * eax = 68 - function number
3597 
  * ebx = 4 - subfunction number
 3598 
  * ebx = 4 - subfunction number
3598 
  * ecx is ignored
 3599 
  * ecx is ignored
3599 
  * edx = MSR address
 3600 
  * edx = MSR address
3600 
  * esi:edi = high:low dword
 3601 
  * esi:edi = high:low dword
3601 
Returned value:
 3602 
Returned value:
3602 
  * function does not return value
 3603 
  * function does not return value
3603 
Remarks:
 3604 
Remarks:
3604 
  * If ecx contains nonexistent or not implemented for this processor
 3605 
  * If ecx contains nonexistent or not implemented for this processor
3605 
    MSR, processor will generate an exception in the kernel, which
 3606 
    MSR, processor will generate an exception in the kernel, which
3606 
    will kill the thread.
 3607 
    will kill the thread.
3607 
  * Previously it is necessary to check, whether MSRs are supported
 3608 
  * Previously it is necessary to check, whether MSRs are supported
3608 
    as a whole, with the instruction 'cpuid'. Otherwise processor
 3609 
    as a whole, with the instruction 'cpuid'. Otherwise processor
3609 
    will generate other exception in the kernel, which will anyway
 3610 
    will generate other exception in the kernel, which will anyway
3610 
    kill the thread.
 3611 
    kill the thread.
3611 
 
 3612 
 
3612 
======================================================================
 3613 
======================================================================
3613 
======= Function 68, subfunction 11 - initialize process heap. =======
 3614 
======= Function 68, subfunction 11 - initialize process heap. =======
3614 
======================================================================
 3615 
======================================================================
3615 
Parameters:
 3616 
Parameters:
3616 
  * eax = 68 - function number
 3617 
  * eax = 68 - function number
3617 
  * ebx = 11 - subfunction number
 3618 
  * ebx = 11 - subfunction number
3618 
Returned value:
 3619 
Returned value:
3619 
  * eax = 0 - failed
 3620 
  * eax = 0 - failed
3620 
  * otherwise size of created heap
 3621 
  * otherwise size of created heap
3621 
Remarks:
 3622 
Remarks:
3622 
  * The function call initializes heap, from which one can in future
 3623 
  * The function call initializes heap, from which one can in future
3623 
    allocate and free memory blocks with subfunctions 12 and 13.
 3624 
    allocate and free memory blocks with subfunctions 12 and 13.
3624 
    Heap size is equal to total amount of free application memory.
 3625 
    Heap size is equal to total amount of free application memory.
3625 
  * The second function call from the same process results in
 3626 
  * The second function call from the same process results in
3626 
    returning the size of the existing heap.
 3627 
    returning the size of the existing heap.
3627 
  * After creation of the heap calls to function 64 will be ignored.
 3628 
  * After creation of the heap calls to function 64 will be ignored.
3628 
 
 3629 
 
3629 
======================================================================
 3630 
======================================================================
3630 
======== Function 68, subfunction 12 - allocate memory block. ========
 3631 
======== Function 68, subfunction 12 - allocate memory block. ========
3631 
======================================================================
 3632 
======================================================================
3632 
Parameters:
 3633 
Parameters:
3633 
  * eax = 68 - function number
 3634 
  * eax = 68 - function number
3634 
  * ebx = 12 - subfunction number
 3635 
  * ebx = 12 - subfunction number
3635 
  * ecx = required size in bytes
 3636 
  * ecx = required size in bytes
3636 
Returned value:
 3637 
Returned value:
3637 
  * eax = pointer to the allocated block
 3638 
  * eax = pointer to the allocated block
3638 
Remarks:
 3639 
Remarks:
3639 
  * Before this call one must initialize process heap by call to
 3640 
  * Before this call one must initialize process heap by call to
3640 
    subfunction 11.
 3641 
    subfunction 11.
3641 
  * The function allocates an integer number of pages (4 Kb) in such
 3642 
  * The function allocates an integer number of pages (4 Kb) in such
3642 
    way that the real size of allocated block is more than or equal to
 3643 
    way that the real size of allocated block is more than or equal to
3643 
    requested size.
 3644 
    requested size.
3644 
 
 3645 
 
3645 
======================================================================
 3646 
======================================================================
3646 
========== Function 68, subfunction 13 - free memory block. ==========
 3647 
========== Function 68, subfunction 13 - free memory block. ==========
3647 
======================================================================
 3648 
======================================================================
3648 
Parameters:
 3649 
Parameters:
3649 
  * eax = 68 - function number
 3650 
  * eax = 68 - function number
3650 
  * ebx = 13 - subfunction number
 3651 
  * ebx = 13 - subfunction number
3651 
  * ecx = pointer to the memory block
 3652 
  * ecx = pointer to the memory block
3652 
Returned value:
 3653 
Returned value:
3653 
  * eax = 1 - success
 3654 
  * eax = 1 - success
3654 
  * eax = 0 - failed
 3655 
  * eax = 0 - failed
3655 
Remarks:
 3656 
Remarks:
3656 
  * The memory block must have been allocated by subfunction 12
 3657 
  * The memory block must have been allocated by subfunction 12
3657 
    or subfunction 20.
 3658 
    or subfunction 20.
3658 
 
 3659 
 
3659 
======================================================================
 3660 
======================================================================
3660 
======== Function 68, subfunction 14 - wait for driver notify. =======
 3661 
======== Function 68, subfunction 14 - wait for driver notify. =======
3661 
======================================================================
 3662 
======================================================================
3662 
Parameters:
 3663 
Parameters:
3663 
  * eax = 68 - function number
 3664 
  * eax = 68 - function number
3664 
  * ebx = 14 - subfunction number
 3665 
  * ebx = 14 - subfunction number
3665 
  * ecx = pointer to the buffer for information (8 bytes)
 3666 
  * ecx = pointer to the buffer for information (8 bytes)
3666 
Returned value:
 3667 
Returned value:
3667 
  * buffer pointed to by ecx contains the following information:
 3668 
  * buffer pointed to by ecx contains the following information:
3668 
    * +0: dword: constant EV_INTR = 1
 3669 
    * +0: dword: constant EV_INTR = 1
3669 
    * +4: dword: driver data
 3670 
    * +4: dword: driver data
3670 
Remarks:
 3671 
Remarks:
3671 
  * The current implementation at wait time uses "heavy" operations
 3672 
  * The current implementation at wait time uses "heavy" operations
3672 
    of task switch.
 3673 
    of task switch.
3673 
 
 3674 
 
3674 
======================================================================
 3675 
======================================================================
3675 
====== Function 68, subfunction 15 - set FPU exception handler. ======
 3676 
====== Function 68, subfunction 15 - set FPU exception handler. ======
3676 
======================================================================
 3677 
======================================================================
3677 
Parameters:
 3678 
Parameters:
3678 
  * eax = 68 - function number
 3679 
  * eax = 68 - function number
3679 
  * ebx = 15 - subfunction number
 3680 
  * ebx = 15 - subfunction number
3680 
  * ecx = address of the new exception handler
 3681 
  * ecx = address of the new exception handler
3681 
Returned value:
 3682 
Returned value:
3682 
  * eax = address of the old exception handler (0, if it was not set)
 3683 
  * eax = address of the old exception handler (0, if it was not set)
3683 
 
 3684 
 
3684 
======================================================================
 3685 
======================================================================
3685 
============= Function 68, subfunction 16 - load driver. =============
 3686 
============= Function 68, subfunction 16 - load driver. =============
3686 
======================================================================
 3687 
======================================================================
3687 
Parameters:
 3688 
Parameters:
3688 
  * eax = 68 - function number
 3689 
  * eax = 68 - function number
3689 
  * ebx = 16 - subfunction number
 3690 
  * ebx = 16 - subfunction number
3690 
  * ecx = pointer to ASCIIZ-string with driver name
 3691 
  * ecx = pointer to ASCIIZ-string with driver name
3691 
Returned value:
 3692 
Returned value:
3692 
  * eax = 0 - failed
 3693 
  * eax = 0 - failed
3693 
  * otherwise eax = driver handle
 3694 
  * otherwise eax = driver handle
3694 
Remarks:
 3695 
Remarks:
3695 
  * If the driver was not loaded yet, it is loaded;
 3696 
  * If the driver was not loaded yet, it is loaded;
3696 
    if the driver was loaded yet, nothing happens.
 3697 
    if the driver was loaded yet, nothing happens.
3697 
  * Driver name is case-sensitive.
 3698 
  * Driver name is case-sensitive.
3698 
    Maximum length of the name is 16 characters, including
 3699 
    Maximum length of the name is 16 characters, including
3699 
    terminating null character, the rest is ignored.
 3700 
    terminating null character, the rest is ignored.
3700 
  * Driver ABC is loaded from file /rd/1/drivers/ABC.obj.
 3701 
  * Driver ABC is loaded from file /rd/1/drivers/ABC.obj.
3701 
 
 3702 
 
3702 
======================================================================
 3703 
======================================================================
3703 
============ Function 68, subfunction 17 - driver control. ===========
 3704 
============ Function 68, subfunction 17 - driver control. ===========
3704 
======================================================================
 3705 
======================================================================
3705 
Parameters:
 3706 
Parameters:
3706 
  * eax = 68 - function number
 3707 
  * eax = 68 - function number
3707 
  * ebx = 17 - subfunction number
 3708 
  * ebx = 17 - subfunction number
3708 
  * ecx = pointer to the control structure:
 3709 
  * ecx = pointer to the control structure:
3709 
    * +0: dword: handle of driver
 3710 
    * +0: dword: handle of driver
3710 
    * +4: dword: code of driver function
 3711 
    * +4: dword: code of driver function
3711 
    * +8: dword: pointer to input data
 3712 
    * +8: dword: pointer to input data
3712 
    * +12 = +0xC: dword: size of input data
 3713 
    * +12 = +0xC: dword: size of input data
3713 
    * +16 = +0x10: dword: pointer to output data
 3714 
    * +16 = +0x10: dword: pointer to output data
3714 
    * +20 = +0x14: dword: size of output data
 3715 
    * +20 = +0x14: dword: size of output data
3715 
Returned value:
 3716 
Returned value:
3716 
  * eax = determined by driver
 3717 
  * eax = determined by driver
3717 
Remarks:
 3718 
Remarks:
3718 
  * Function codes and the structure of input/output data
 3719 
  * Function codes and the structure of input/output data
3719 
    are defined by driver.
 3720 
    are defined by driver.
3720 
  * Previously one must obtain driver handle by subfunction 16.
 3721 
  * Previously one must obtain driver handle by subfunction 16.
3721 
 
 3722 
 
3722 
======================================================================
 3723 
======================================================================
3723 
====== Function 68, subfunction 18 - set SSE exception handler. ======
 3724 
====== Function 68, subfunction 18 - set SSE exception handler. ======
3724 
======================================================================
 3725 
======================================================================
3725 
Parameters:
 3726 
Parameters:
3726 
  * eax = 68 - function number
 3727 
  * eax = 68 - function number
3727 
  * ebx = 15 - subfunction number
 3728 
  * ebx = 15 - subfunction number
3728 
  * ecx = address of the new exception handler
 3729 
  * ecx = address of the new exception handler
3729 
Returned value:
 3730 
Returned value:
3730 
  * eax = address of the old exception handler (0, if it was not set)
 3731 
  * eax = address of the old exception handler (0, if it was not set)
3731 
 
 3732 
 
3732 
======================================================================
 3733 
======================================================================
3733 
=============== Function 68, subfunction 19 - load DLL. ==============
 3734 
=============== Function 68, subfunction 19 - load DLL. ==============
3734 
======================================================================
 3735 
======================================================================
3735 
Parameters:
 3736 
Parameters:
3736 
  * eax = 68 - function number
 3737 
  * eax = 68 - function number
3737 
  * ebx = 19 - subfunction number
 3738 
  * ebx = 19 - subfunction number
3738 
  * ecx = pointer to ASCIIZ-string with the full path to DLL
 3739 
  * ecx = pointer to ASCIIZ-string with the full path to DLL
3739 
Returned value:
 3740 
Returned value:
3740 
  * eax = 0 - failed
 3741 
  * eax = 0 - failed
3741 
  * otherwise eax = pointer to DLL export table
 3742 
  * otherwise eax = pointer to DLL export table
3742 
Remarks:
 3743 
Remarks:
3743 
  * Export table is an array of structures of 2 dword's, terminated
 3744 
  * Export table is an array of structures of 2 dword's, terminated
3744 
    by zero. The first dword in structure points to function name,
 3745 
    by zero. The first dword in structure points to function name,
3745 
    the second dword contains address of function.
 3746 
    the second dword contains address of function.
3746 
 
 3747 
 
3747 
======================================================================
 3748 
======================================================================
3748 
======= Function 68, subfunction 20 - reallocate memory block. =======
 3749 
======= Function 68, subfunction 20 - reallocate memory block. =======
3749 
======================================================================
 3750 
======================================================================
3750 
Parameters:
 3751 
Parameters:
3751 
  * eax = 68 - function number
 3752 
  * eax = 68 - function number
3752 
  * ebx = 20 - subfunction number
 3753 
  * ebx = 20 - subfunction number
3753 
  * ecx = new size in bytes
 3754 
  * ecx = new size in bytes
3754 
  * edx = pointer to already allocated block
 3755 
  * edx = pointer to already allocated block
3755 
Returned value:
 3756 
Returned value:
3756 
  * eax = pointer to the reallocated block, 0 = error
 3757 
  * eax = pointer to the reallocated block, 0 = error
3757 
Remarks:
 3758 
Remarks:
3758 
  * Before this call one must initialize process heap by call to
 3759 
  * Before this call one must initialize process heap by call to
3759 
    subfunction 11.
 3760 
    subfunction 11.
3760 
  * The function allocates an integer number of pages (4 Kb) in such
 3761 
  * The function allocates an integer number of pages (4 Kb) in such
3761 
    way that the real size of allocated block is more than or equal to
 3762 
    way that the real size of allocated block is more than or equal to
3762 
    requested size.
 3763 
    requested size.
3763 
  * If edx=0, the function call is equivalent to memory allocation
 3764 
  * If edx=0, the function call is equivalent to memory allocation
3764 
    with subfunction 12. Otherwise the block at edx
 3765 
    with subfunction 12. Otherwise the block at edx
3765 
    must be allocated earlier with subfunction 12 or this subfunction.
 3766 
    must be allocated earlier with subfunction 12 or this subfunction.
3766 
  * If ecx=0, the function frees memory block at edx and returns 0.
 3767 
  * If ecx=0, the function frees memory block at edx and returns 0.
3767 
  * The contents of the block are unchanged up to the shorter of
 3768 
  * The contents of the block are unchanged up to the shorter of
3768 
    the new and old sizes.
 3769 
    the new and old sizes.
3769 
 
 3770 
 
3770 
======================================================================
 3771 
======================================================================
3771 
====================== Fucntion 69 - debugging. ======================
 3772 
====================== Fucntion 69 - debugging. ======================
3772 
======================================================================
 3773 
======================================================================
3773 
A process can load other process as debugged by set of corresponding
 3774 
A process can load other process as debugged by set of corresponding
3774 
bit by call to subfunction 7 of function 70.
 3775 
bit by call to subfunction 7 of function 70.
3775 
A process can have only one debugger; one process can debug some
 3776 
A process can have only one debugger; one process can debug some
3776 
others. The system notifies debugger on events occuring with
 3777 
others. The system notifies debugger on events occuring with
3777 
debugged process. Messages are written to the buffer defined by
 3778 
debugged process. Messages are written to the buffer defined by
3778 
subfunction 0.
 3779 
subfunction 0.
3779 
Format of a message:
 3780 
Format of a message:
3780 
  * +0: dword: message code
 3781 
  * +0: dword: message code
3781 
  * +4: dword: PID of debugged process
 3782 
  * +4: dword: PID of debugged process
3782 
  * +8: there can be additional data depending on message code
 3783 
  * +8: there can be additional data depending on message code
3783 
Message codes:
 3784 
Message codes:
3784 
  * 1 = exception
 3785 
  * 1 = exception
3785 
    * in addition dword-number of the exception is given
 3786 
    * in addition dword-number of the exception is given
3786 
    * process is suspended
 3787 
    * process is suspended
3787 
  * 2 = process has terminated
 3788 
  * 2 = process has terminated
3788 
    * comes at any termination: both through the system function -1,
 3789 
    * comes at any termination: both through the system function -1,
3789 
      and at "murder" by any other process (including debugger itself)
 3790 
      and at "murder" by any other process (including debugger itself)
3790 
  * 3 = debug exception int 1 = #DB
 3791 
  * 3 = debug exception int 1 = #DB
3791 
    * in addition dword-image of the register DR6 is given:
 3792 
    * in addition dword-image of the register DR6 is given:
3792 
      * bits 0-3: condition of the corresponding breakpoint (set by
 3793 
      * bits 0-3: condition of the corresponding breakpoint (set by
3793 
        subfunction 9) is satisfied
 3794 
        subfunction 9) is satisfied
3794 
      * áèò 14: exception has occured because of the trace mode
 3795 
      * áèò 14: exception has occured because of the trace mode
3795 
        (flag TF is set TF)
 3796 
        (flag TF is set TF)
3796 
    * process is suspended
 3797 
    * process is suspended
3797 
When debugger terminates, all debugged processes are killed.
 3798 
When debugger terminates, all debugged processes are killed.
3798 
If debugger does not want this, it must previously detach by
 3799 
If debugger does not want this, it must previously detach by
3799 
subfunction 3.
 3800 
subfunction 3.
3800 
 
 3801 
 
3801 
All subfunctions are applicable only to processes/threads started
 3802 
All subfunctions are applicable only to processes/threads started
3802 
from the current by function 70 with set debugging flag.
 3803 
from the current by function 70 with set debugging flag.
3803 
Debugging of multithreaded programs is not supported yet.
 3804 
Debugging of multithreaded programs is not supported yet.
3804 
The full list of subfunctions:
 3805 
The full list of subfunctions:
3805 
  * subfunction 0 - define data area for debug messages
 3806 
  * subfunction 0 - define data area for debug messages
3806 
  * subfunction 1 - get contents of registers of debugged thread
 3807 
  * subfunction 1 - get contents of registers of debugged thread
3807 
  * subfunction 2 - set contents of registers of debugged thread
 3808 
  * subfunction 2 - set contents of registers of debugged thread
3808 
  * subfunction 3 - detach from debugged process
 3809 
  * subfunction 3 - detach from debugged process
3809 
  * subfunction 4 - suspend debugged thread
 3810 
  * subfunction 4 - suspend debugged thread
3810 
  * subfunction 5 - resume debugged thread
 3811 
  * subfunction 5 - resume debugged thread
3811 
  * subfunction 6 - read from the memory of debugged process
 3812 
  * subfunction 6 - read from the memory of debugged process
3812 
  * subfunction 7 - write to the memory of debugged process
 3813 
  * subfunction 7 - write to the memory of debugged process
3813 
  * subfunction 8 - terminate debugged thread
 3814 
  * subfunction 8 - terminate debugged thread
3814 
  * subfunction 9 - set/clear hardware breakpoint
 3815 
  * subfunction 9 - set/clear hardware breakpoint
3815 
 
 3816 
 
3816 
======================================================================
 3817 
======================================================================
3817 
= Function 69, subfunction 0 - define data area fror debug messages. =
 3818 
= Function 69, subfunction 0 - define data area fror debug messages. =
3818 
======================================================================
 3819 
======================================================================
3819 
Parameters:
 3820 
Parameters:
3820 
  * eax = 69 - function number
 3821 
  * eax = 69 - function number
3821 
  * ebx = 0 - subfunction number
 3822 
  * ebx = 0 - subfunction number
3822 
  * ecx = pointer
 3823 
  * ecx = pointer
3823 
Format of data area:
 3824 
Format of data area:
3824 
  * +0: dword: N = buffer size (not including this header)
 3825 
  * +0: dword: N = buffer size (not including this header)
3825 
  * +4: dword: occupied place
 3826 
  * +4: dword: occupied place
3826 
  * +8: N*byte: buffer
 3827 
  * +8: N*byte: buffer
3827 
Returned value:
 3828 
Returned value:
3828 
  * function does not return value
 3829 
  * function does not return value
3829 
Remarks:
 3830 
Remarks:
3830 
  * If the size field is negative, the buffer is considered locked
 3831 
  * If the size field is negative, the buffer is considered locked
3831 
    and at arrival of new message the system will wait.
 3832 
    and at arrival of new message the system will wait.
3832 
    For synchronization frame all work with the buffer by operations
 3833 
    For synchronization frame all work with the buffer by operations
3833 
    lock/unlock
 3834 
    lock/unlock
3834 
    	neg	[bufsize]
 3835 
    	neg	[bufsize]
3835 
  * Data in the buffer are considered as array of items with variable
 3836 
  * Data in the buffer are considered as array of items with variable
3836 
    length - messages. Format of a message is explained in
 3837 
    length - messages. Format of a message is explained in
3837 
    general description.
 3838 
    general description.
3838 
 
 3839 
 
3839 
======================================================================
 3840 
======================================================================
3840 
===================== Function 69, subfunction 1 =====================
 3841 
===================== Function 69, subfunction 1 =====================
3841 
============ Get contents of registers of debugged thread. ===========
 3842 
============ Get contents of registers of debugged thread. ===========
3842 
======================================================================
 3843 
======================================================================
3843 
Parameters:
 3844 
Parameters:
3844 
  * eax = 69 - function number
 3845 
  * eax = 69 - function number
3845 
  * ebx = 1 - subfunction number
 3846 
  * ebx = 1 - subfunction number
3846 
  * ecx = thread identifier
 3847 
  * ecx = thread identifier
3847 
  * edx = size of context structure, must be 0x28=40 bytes
 3848 
  * edx = size of context structure, must be 0x28=40 bytes
3848 
  * esi = pointer to context structure
 3849 
  * esi = pointer to context structure
3849 
Returned value:
 3850 
Returned value:
3850 
  * function does not return value
 3851 
  * function does not return value
3851 
Format of context structure: (FPU is not supported yet)
 3852 
Format of context structure: (FPU is not supported yet)
3852 
  * +0: dword: eip
 3853 
  * +0: dword: eip
3853 
  * +4: dword: eflags
 3854 
  * +4: dword: eflags
3854 
  * +8: dword: eax
 3855 
  * +8: dword: eax
3855 
  * +12 = +0xC: dword: ecx
 3856 
  * +12 = +0xC: dword: ecx
3856 
  * +16 = +0x10: dword: edx
 3857 
  * +16 = +0x10: dword: edx
3857 
  * +20 = +0x14: dword: ebx
 3858 
  * +20 = +0x14: dword: ebx
3858 
  * +24 = +0x18: dword: esp
 3859 
  * +24 = +0x18: dword: esp
3859 
  * +28 = +0x1C: dword: ebp
 3860 
  * +28 = +0x1C: dword: ebp
3860 
  * +32 = +0x20: dword: esi
 3861 
  * +32 = +0x20: dword: esi
3861 
  * +36 = +0x24: dword: edi
 3862 
  * +36 = +0x24: dword: edi
3862 
Remarks:
 3863 
Remarks:
3863 
  * If the thread executes code of ring-0, the function returns
 3864 
  * If the thread executes code of ring-0, the function returns
3864 
    contents of registers of ring-3.
 3865 
    contents of registers of ring-3.
3865 
  * Process must be loaded for debugging (as is shown in
 3866 
  * Process must be loaded for debugging (as is shown in
3866 
    general description).
 3867 
    general description).
3867 
 
 3868 
 
3868 
======================================================================
 3869 
======================================================================
3869 
===================== Function 69, subfunction 2 =====================
 3870 
===================== Function 69, subfunction 2 =====================
3870 
============ Set contents of registers of debugged thread. ===========
 3871 
============ Set contents of registers of debugged thread. ===========
3871 
======================================================================
 3872 
======================================================================
3872 
Parameters:
 3873 
Parameters:
3873 
  * eax = 69 - function number
 3874 
  * eax = 69 - function number
3874 
  * ebx = 2 - subfunction number
 3875 
  * ebx = 2 - subfunction number
3875 
  * ecx = thread identifier
 3876 
  * ecx = thread identifier
3876 
  * edx = size of context structure, must be 0x28=40 bytes
 3877 
  * edx = size of context structure, must be 0x28=40 bytes
3877 
Returned value:
 3878 
Returned value:
3878 
  * function does not return value
 3879 
  * function does not return value
3879 
Format of context structure is shown in the description of
 3880 
Format of context structure is shown in the description of
3880 
subfunction 1.
 3881 
subfunction 1.
3881 
Remarks:
 3882 
Remarks:
3882 
  * If the thread executes code of ring-0, the function returns
 3883 
  * If the thread executes code of ring-0, the function returns
3883 
    contents of registers of ring-3.
 3884 
    contents of registers of ring-3.
3884 
  * Process must be loaded for debugging (as is shown in
 3885 
  * Process must be loaded for debugging (as is shown in
3885 
    general description).
 3886 
    general description).
3886 
 
 3887 
 
3887 
======================================================================
 3888 
======================================================================
3888 
===== Function 69, subfunction 3 - detach from debugged process. =====
 3889 
===== Function 69, subfunction 3 - detach from debugged process. =====
3889 
======================================================================
 3890 
======================================================================
3890 
Parameters:
 3891 
Parameters:
3891 
  * eax = 69 - function number
 3892 
  * eax = 69 - function number
3892 
  * ebx = 3 - subfunction number
 3893 
  * ebx = 3 - subfunction number
3893 
  * ecx = identifier
 3894 
  * ecx = identifier
3894 
Returned value:
 3895 
Returned value:
3895 
  * function does not return value
 3896 
  * function does not return value
3896 
Remarks:
 3897 
Remarks:
3897 
  * If the process was suspended, it resumes execution.
 3898 
  * If the process was suspended, it resumes execution.
3898 
 
 3899 
 
3899 
======================================================================
 3900 
======================================================================
3900 
======== Function 69, subfunction 4 - suspend debugged thread. =======
 3901 
======== Function 69, subfunction 4 - suspend debugged thread. =======
3901 
======================================================================
 3902 
======================================================================
3902 
Parameters:
 3903 
Parameters:
3903 
  * eax = 69 - function number
 3904 
  * eax = 69 - function number
3904 
  * ebx = 4 - subfunction number
 3905 
  * ebx = 4 - subfunction number
3905 
  * ecx = thread identifier
 3906 
  * ecx = thread identifier
3906 
Returned value:
 3907 
Returned value:
3907 
  * function does not return value
 3908 
  * function does not return value
3908 
Remarks:
 3909 
Remarks:
3909 
  * Process must be loaded for debugging (as is shown in
 3910 
  * Process must be loaded for debugging (as is shown in
3910 
    general description).
 3911 
    general description).
3911 
 
 3912 
 
3912 
======================================================================
 3913 
======================================================================
3913 
======== Function 69, subfunction 5 - resume debugged thread. ========
 3914 
======== Function 69, subfunction 5 - resume debugged thread. ========
3914 
======================================================================
 3915 
======================================================================
3915 
Parameters:
 3916 
Parameters:
3916 
  * eax = 69 - function number
 3917 
  * eax = 69 - function number
3917 
  * ebx = 5 - subfunction number
 3918 
  * ebx = 5 - subfunction number
3918 
  * ecx = thread identifier
 3919 
  * ecx = thread identifier
3919 
Returned value:
 3920 
Returned value:
3920 
  * function does not return value
 3921 
  * function does not return value
3921 
Remarks:
 3922 
Remarks:
3922 
  * Process must be loaded for debugging (as is shown in
 3923 
  * Process must be loaded for debugging (as is shown in
3923 
    general description).
 3924 
    general description).
3924 
 
 3925 
 
3925 
======================================================================
 3926 
======================================================================
3926 
= Fucntion 69, subfunction 6 - read from memory of debugged process. =
 3927 
= Fucntion 69, subfunction 6 - read from memory of debugged process. =
3927 
======================================================================
 3928 
======================================================================
3928 
Parameters:
 3929 
Parameters:
3929 
  * eax = 69 - function number
 3930 
  * eax = 69 - function number
3930 
  * ebx = 6 - subfunction number
 3931 
  * ebx = 6 - subfunction number
3931 
  * ecx = identifier
 3932 
  * ecx = identifier
3932 
  * edx = number of bytes to read
 3933 
  * edx = number of bytes to read
3933 
  * esi = address in the memory of debugged process
 3934 
  * esi = address in the memory of debugged process
3934 
  * edi = pointer to buffer for data
 3935 
  * edi = pointer to buffer for data
3935 
Returned value:
 3936 
Returned value:
3936 
  * eax = -1 at an error (invalid PID or buffer)
 3937 
  * eax = -1 at an error (invalid PID or buffer)
3937 
  * otherwise eax = number of read bytes (possibly, 0,
 3938 
  * otherwise eax = number of read bytes (possibly, 0,
3938 
    if esi is too large)
 3939 
    if esi is too large)
3939 
Remarks:
 3940 
Remarks:
3940 
  * Process must be loaded for debugging (as is shown in
 3941 
  * Process must be loaded for debugging (as is shown in
3941 
    general description).
 3942 
    general description).
3942 
 
 3943 
 
3943 
======================================================================
 3944 
======================================================================
3944 
== Function 69, subfunction 7 - write to memory of debugged process. =
 3945 
== Function 69, subfunction 7 - write to memory of debugged process. =
3945 
======================================================================
 3946 
======================================================================
3946 
Parameters:
 3947 
Parameters:
3947 
  * eax = 69 - function number
 3948 
  * eax = 69 - function number
3948 
  * ebx = 7 - subfunction number
 3949 
  * ebx = 7 - subfunction number
3949 
  * ecx = identifier
 3950 
  * ecx = identifier
3950 
  * edx = number of bytes to write
 3951 
  * edx = number of bytes to write
3951 
  * esi = address of memory in debugged process
 3952 
  * esi = address of memory in debugged process
3952 
  * edi = pointer to data
 3953 
  * edi = pointer to data
3953 
Returned value:
 3954 
Returned value:
3954 
  * eax = -1 at an error (invalid PID or buffer)
 3955 
  * eax = -1 at an error (invalid PID or buffer)
3955 
  * otherwise eax = number of written bytes (possibly, 0,
 3956 
  * otherwise eax = number of written bytes (possibly, 0,
3956 
    if esi is too large)
 3957 
    if esi is too large)
3957 
Remarks:
 3958 
Remarks:
3958 
  * Process must be loaded for debugging (as is shown in
 3959 
  * Process must be loaded for debugging (as is shown in
3959 
    general description).
 3960 
    general description).
3960 
 
 3961 
 
3961 
======================================================================
 3962 
======================================================================
3962 
======= Function 69, subfunction 8 - terminate debugged thread. ======
 3963 
======= Function 69, subfunction 8 - terminate debugged thread. ======
3963 
======================================================================
 3964 
======================================================================
3964 
Parameters:
 3965 
Parameters:
3965 
  * eax = 69 - function number
 3966 
  * eax = 69 - function number
3966 
  * ebx = 8 - subfunction number
 3967 
  * ebx = 8 - subfunction number
3967 
  * ecx = identifier
 3968 
  * ecx = identifier
3968 
Returned value:
 3969 
Returned value:
3969 
  * function does not return value
 3970 
  * function does not return value
3970 
Remarks:
 3971 
Remarks:
3971 
  * Process must be loaded for debugging (as is shown in
 3972 
  * Process must be loaded for debugging (as is shown in
3972 
    general description).
 3973 
    general description).
3973 
  * The function is similar to subfunction 2 of function 18
 3974 
  * The function is similar to subfunction 2 of function 18
3974 
    with two differences: it requires first remark and
 3975 
    with two differences: it requires first remark and
3975 
    accepts PID rather than slot number.
 3976 
    accepts PID rather than slot number.
3976 
 
 3977 
 
3977 
======================================================================
 3978 
======================================================================
3978 
===== Function 69, subfunction 9 - set/clear hardware breakpoint. ====
 3979 
===== Function 69, subfunction 9 - set/clear hardware breakpoint. ====
3979 
======================================================================
 3980 
======================================================================
3980 
Parameters:
 3981 
Parameters:
3981 
  * eax = 69 - function number
 3982 
  * eax = 69 - function number
3982 
  * ebx = 9 - subfunction number
 3983 
  * ebx = 9 - subfunction number
3983 
  * ecx = thread identifier
 3984 
  * ecx = thread identifier
3984 
  * dl = index of breakpoint, from 0 to 3 inclusively
 3985 
  * dl = index of breakpoint, from 0 to 3 inclusively
3985 
  * dh = flags:
 3986 
  * dh = flags:
3986 
    * if high bit is cleared - set breakpoint:
 3987 
    * if high bit is cleared - set breakpoint:
3987 
      * bits 0-1 - condition:
 3988 
      * bits 0-1 - condition:
3988 
        * 00 = breakpoint on execution
 3989 
        * 00 = breakpoint on execution
3989 
        * 01 = breakpoint on read
 3990 
        * 01 = breakpoint on read
3990 
        * 11 = breakpoint on read/write
 3991 
        * 11 = breakpoint on read/write
3991 
      * bits 2-3 - length; for breakpoints on exception it must be
 3992 
      * bits 2-3 - length; for breakpoints on exception it must be
3992 
        00, otherwise one of
 3993 
        00, otherwise one of
3993 
        * 00 = byte
 3994 
        * 00 = byte
3994 
        * 01 = word
 3995 
        * 01 = word
3995 
        * 11 = dword
 3996 
        * 11 = dword
3996 
      * esi = breakpoint address; must be aligned according to
 3997 
      * esi = breakpoint address; must be aligned according to
3997 
        the length (i.e. must be even for word breakpoints,
 3998 
        the length (i.e. must be even for word breakpoints,
3998 
        divisible by 4 for dword)
 3999 
        divisible by 4 for dword)
3999 
    * if high bit is set - clear breakpoint
 4000 
    * if high bit is set - clear breakpoint
4000 
Returned value:
 4001 
Returned value:
4001 
  * eax = 0 - success
 4002 
  * eax = 0 - success
4002 
  * eax = 1 - error in the input data
 4003 
  * eax = 1 - error in the input data
4003 
  * eax = 2 - (reserved, is never returned in the current
 4004 
  * eax = 2 - (reserved, is never returned in the current
4004 
    implementation) a global breakpoint with that index is already set
 4005 
    implementation) a global breakpoint with that index is already set
4005 
Remarks:
 4006 
Remarks:
4006 
  * Process must be loaded for debugging (as is shown in
 4007 
  * Process must be loaded for debugging (as is shown in
4007 
    general description).
 4008 
    general description).
4008 
  * Hardware breakpoints are implemented through DRx-registers of
 4009 
  * Hardware breakpoints are implemented through DRx-registers of
4009 
    the processor, all limitations results from this.
 4010 
    the processor, all limitations results from this.
4010 
  * The function can reinstall the breakpoint, previously set
 4011 
  * The function can reinstall the breakpoint, previously set
4011 
    by it (and it does not inform on this).
 4012 
    by it (and it does not inform on this).
4012 
    Carry on the list of set breakpoints in the debugger.
 4013 
    Carry on the list of set breakpoints in the debugger.
4013 
  * Breakpoints generate debug exception #DB, on which the system
 4014 
  * Breakpoints generate debug exception #DB, on which the system
4014 
    notifies debugger.
 4015 
    notifies debugger.
4015 
  * Breakpoints on write and read/write act after
 4016 
  * Breakpoints on write and read/write act after
4016 
    execution of the caused it instruction.
 4017 
    execution of the caused it instruction.
4017 
 
 4018 
 
4018 
======================================================================
 4019 
======================================================================
4019 
==== Function 70 - work with file system with long names support. ====
 4020 
==== Function 70 - work with file system with long names support. ====
4020 
======================================================================
 4021 
======================================================================
4021 
Parameters:
 4022 
Parameters:
4022 
  * eax = 70
 4023 
  * eax = 70
4023 
  * ebx = pointer to the information structure
 4024 
  * ebx = pointer to the information structure
4024 
Returned value:
 4025 
Returned value:
4025 
  * eax = 0 - success; otherwise file system error code
 4026 
  * eax = 0 - success; otherwise file system error code
4026 
  * some subfunctions return value in other registers too
 4027 
  * some subfunctions return value in other registers too
4027 
General format of the information structure:
 4028 
General format of the information structure:
4028 
  * +0: dword: subfunction number
 4029 
  * +0: dword: subfunction number
4029 
  * +4: dword: file offset
 4030 
  * +4: dword: file offset
4030 
  * +8: dword: high dword of offset (must be 0) or flags field
 4031 
  * +8: dword: high dword of offset (must be 0) or flags field
4031 
  * +12 = +0xC: dword: size
 4032 
  * +12 = +0xC: dword: size
4032 
  * +16 = +0x10: dword: pointer to data
 4033 
  * +16 = +0x10: dword: pointer to data
4033 
  * +20 = +0x14: n db: ASCIIZ-string with the filename
 4034 
  * +20 = +0x14: n db: ASCIIZ-string with the filename
4034 
    or
 4035 
    or
4035 
  * +20 = +0x14: db 0
 4036 
  * +20 = +0x14: db 0
4036 
  * +21 = +0x15: dd pointer to ASCIIZ-string with the filename
 4037 
  * +21 = +0x15: dd pointer to ASCIIZ-string with the filename
4037 
Specifications - in documentation on the appropriate subfunction.
 4038 
Specifications - in documentation on the appropriate subfunction.
4038 
Filename is case-insensitive. Russian letters must be written in
 4039 
Filename is case-insensitive. Russian letters must be written in
4039 
the encoding cp866 (DOS).
 4040 
the encoding cp866 (DOS).
4040 
Format of filename:
 4041 
Format of filename:
4041 
/base/number/dir1/dir2/.../dirn/file,
 4042 
/base/number/dir1/dir2/.../dirn/file,
4042 
where /base/number identifies device, on which file is located:
 4043 
where /base/number identifies device, on which file is located:
4043 
one of
 4044 
one of
4044 
  * /RD/1 = /RAMDISK/1 to access ramdisk
 4045 
  * /RD/1 = /RAMDISK/1 to access ramdisk
4045 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
 4046 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
4046 
    /FD/2 = /FLOPPYDISK/2 to access second one
 4047 
    /FD/2 = /FLOPPYDISK/2 to access second one
4047 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
 4048 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
4048 
    IDE0 (Primary Master), IDE1 (Primary Slave),
 4049 
    IDE0 (Primary Master), IDE1 (Primary Slave),
4049 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
 4050 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
4050 
    x - partition number on the selected hard drive, varies from 1
 4051 
    x - partition number on the selected hard drive, varies from 1
4051 
    to 255 (on each hard drive the indexing starts from 1)
 4052 
    to 255 (on each hard drive the indexing starts from 1)
4052 
  * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to
 4053 
  * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to
4053 
    CD on IDE0 (Primary Master), IDE1 (Primary Slave),
 4054 
    CD on IDE0 (Primary Master), IDE1 (Primary Slave),
4054 
    IDE2 (Secondary Master), IDE3 (Secondary Slave)
 4055 
    IDE2 (Secondary Master), IDE3 (Secondary Slave)
4055 
  * /SYS means system folder; with the usual boot (from floppy)
 4056 
  * /SYS means system folder; with the usual boot (from floppy)
4056 
    is equivalent to /RD/1
 4057 
    is equivalent to /RD/1
4057 
Examples:
 4058 
Examples:
4058 
  * '/rd/1/kernel.asm',0
 4059 
  * '/rd/1/kernel.asm',0
4059 
  * '/HD0/1/kernel.asm',0
 4060 
  * '/HD0/1/kernel.asm',0
4060 
  * '/hd0/2/menuet/pics/tanzania.bmp',0
 4061 
  * '/hd0/2/menuet/pics/tanzania.bmp',0
4061 
  * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0
 4062 
  * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0
4062 
  * '/sys/MySuperApp.ini',0
 4063 
  * '/sys/MySuperApp.ini',0
4063 
Available subfunctions:
 4064 
Available subfunctions:
4064 
  * subfunction 0 - read file
 4065 
  * subfunction 0 - read file
4065 
  * subfunction 1 - read folder
 4066 
  * subfunction 1 - read folder
4066 
  * subfunction 2 - create/rewrite file
 4067 
  * subfunction 2 - create/rewrite file
4067 
  * subfunction 3 - write to existing file
 4068 
  * subfunction 3 - write to existing file
4068 
  * subfunction 4 - set file size
 4069 
  * subfunction 4 - set file size
4069 
  * subfunction 5 - get attributes of file/folder
 4070 
  * subfunction 5 - get attributes of file/folder
4070 
  * subfunction 6 - set attributes of file/folder
 4071 
  * subfunction 6 - set attributes of file/folder
4071 
  * subfunction 7 - start application
 4072 
  * subfunction 7 - start application
4072 
  * subfunction 8 - delete file/folder
 4073 
  * subfunction 8 - delete file/folder
4073 
  * subfunction 9 - create folder
 4074 
  * subfunction 9 - create folder
4074 
For CD-drives due to hardware limitations only subfunctions
 4075 
For CD-drives due to hardware limitations only subfunctions
4075 
0,1,5 and 7 are available, other subfunctions return error
 4076 
0,1,5 and 7 are available, other subfunctions return error
4076 
with code 2.
 4077 
with code 2.
4077 
 
 4078 
 
4078 
======================================================================
 4079 
======================================================================
4079 
=== Function 70, subfunction 0 - read file with long names support. ==
 4080 
=== Function 70, subfunction 0 - read file with long names support. ==
4080 
======================================================================
 4081 
======================================================================
4081 
Parameters:
 4082 
Parameters:
4082 
  * eax = 70 - function number
 4083 
  * eax = 70 - function number
4083 
  * ebx = pointer to the information structure
 4084 
  * ebx = pointer to the information structure
4084 
Format of the information structure:
 4085 
Format of the information structure:
4085 
  * +0: dword: 0 = subfunction number
 4086 
  * +0: dword: 0 = subfunction number
4086 
  * +4: dword: file offset (in bytes)
 4087 
  * +4: dword: file offset (in bytes)
4087 
  * +8: dword: 0 (reserved for high dword of offset)
 4088 
  * +8: dword: 0 (reserved for high dword of offset)
4088 
  * +12 = +0xC: dword: number of bytes to read
 4089 
  * +12 = +0xC: dword: number of bytes to read
4089 
  * +16 = +0x10: dword: pointer to buffer for data
 4090 
  * +16 = +0x10: dword: pointer to buffer for data
4090 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4091 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4091 
    given in the general description
 4092 
    given in the general description
4092 
    or
 4093 
    or
4093 
  * +20 = +0x14: db 0
 4094 
  * +20 = +0x14: db 0
4094 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4095 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4095 
Returned value:
 4096 
Returned value:
4096 
  * eax = 0 - success, otherwise file system error code
 4097 
  * eax = 0 - success, otherwise file system error code
4097 
  * ebx = number of read bytes or -1=0xffffffff if file was not found
 4098 
  * ebx = number of read bytes or -1=0xffffffff if file was not found
4098 
Remarks:
 4099 
Remarks:
4099 
  * If file was ended before last requested block was read,
 4100 
  * If file was ended before last requested block was read,
4100 
    the function will read as many as it can, and after that return
 4101 
    the function will read as many as it can, and after that return
4101 
    eax=6 (EOF).
 4102 
    eax=6 (EOF).
4102 
  * The function does not allow to read folder (returns eax=10,
 4103 
  * The function does not allow to read folder (returns eax=10,
4103 
    access denied).
 4104 
    access denied).
4104 
 
 4105 
 
4105 
======================================================================
 4106 
======================================================================
4106 
== Function 70, subfunction 1 - read folder with long names support. =
 4107 
== Function 70, subfunction 1 - read folder with long names support. =
4107 
======================================================================
 4108 
======================================================================
4108 
Parameters:
 4109 
Parameters:
4109 
  * eax = 70 - function number
 4110 
  * eax = 70 - function number
4110 
  * ebx = pointer to the information structure
 4111 
  * ebx = pointer to the information structure
4111 
Format of the information structure:
 4112 
Format of the information structure:
4112 
  * +0: dword: 1 = subfunction number
 4113 
  * +0: dword: 1 = subfunction number
4113 
  * +4: dword: index of starting block (beginning from 0)
 4114 
  * +4: dword: index of starting block (beginning from 0)
4114 
  * +8: dword: flags field:
 4115 
  * +8: dword: flags field:
4115 
    * bit 0 (mask 1): in what format to return names,
 4116 
    * bit 0 (mask 1): in what format to return names,
4116 
      0=ANSI, 1=UNICODE
 4117 
      0=ANSI, 1=UNICODE
4117 
    * other bits are reserved and must be set to 0 for the future
 4118 
    * other bits are reserved and must be set to 0 for the future
4118 
      compatibility
 4119 
      compatibility
4119 
  * +12 = +0xC: dword: number of blocks to read
 4120 
  * +12 = +0xC: dword: number of blocks to read
4120 
  * +16 = +0x10: dword: pointer to buffer for data, buffer size
 4121 
  * +16 = +0x10: dword: pointer to buffer for data, buffer size
4121 
    must be not less than 32 + [+12]*560 bytes
 4122 
    must be not less than 32 + [+12]*560 bytes
4122 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
 4123 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
4123 
    given in the general description
 4124 
    given in the general description
4124 
    or
 4125 
    or
4125 
  * +20 = +0x14: db 0
 4126 
  * +20 = +0x14: db 0
4126 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4127 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4127 
Returned value:
 4128 
Returned value:
4128 
  * eax = 0 - success, otherwise file system error code
 4129 
  * eax = 0 - success, otherwise file system error code
4129 
  * ebx = number of files, information on which was written to
 4130 
  * ebx = number of files, information on which was written to
4130 
    the buffer, or -1=0xffffffff, if folder was not found
 4131 
    the buffer, or -1=0xffffffff, if folder was not found
4131 
Structure of the buffer:
 4132 
Structure of the buffer:
4132 
  * +0: 32*byte: header
 4133 
  * +0: 32*byte: header
4133 
  * +32 = +0x20: n1*byte: block with information on file 1
 4134 
  * +32 = +0x20: n1*byte: block with information on file 1
4134 
  * +32+n1: n2*byte: block with information on file 2
 4135 
  * +32+n1: n2*byte: block with information on file 2
4135 
  * ...
 4136 
  * ...
4136 
Structure of header:
 4137 
Structure of header:
4137 
  * +0: dword: version of structure (current is 1)
 4138 
  * +0: dword: version of structure (current is 1)
4138 
  * +4: dword: number of placed blocks; is not greater than requested
 4139 
  * +4: dword: number of placed blocks; is not greater than requested
4139 
    in the field +12 of information structure; can be less, if
 4140 
    in the field +12 of information structure; can be less, if
4140 
    there are no more files in folder (the same as in ebx)
 4141 
    there are no more files in folder (the same as in ebx)
4141 
  * +8: dword: total number of files in folder
 4142 
  * +8: dword: total number of files in folder
4142 
  * +12 = +0xC: 20*byte: reserved (zeroed)
 4143 
  * +12 = +0xC: 20*byte: reserved (zeroed)
4143 
Structure of block of data for folder entry (BDFE):
 4144 
Structure of block of data for folder entry (BDFE):
4144 
  * +0: dword: attributes of file:
 4145 
  * +0: dword: attributes of file:
4145 
    * bit 0 (mask 1): file is read-only
 4146 
    * bit 0 (mask 1): file is read-only
4146 
    * bit 1 (mask 2): file is hidden
 4147 
    * bit 1 (mask 2): file is hidden
4147 
    * bit 2 (mask 4): file is system
 4148 
    * bit 2 (mask 4): file is system
4148 
    * bit 3 (mask 8): this is not a file but volume label
 4149 
    * bit 3 (mask 8): this is not a file but volume label
4149 
      (for one partition meets no more than once and
 4150 
      (for one partition meets no more than once and
4150 
      only in root folder)
 4151 
      only in root folder)
4151 
    * bit 4 (mask 0x10): this is a folder
 4152 
    * bit 4 (mask 0x10): this is a folder
4152 
    * bit 5 (mask 0x20): file was not archived - many archivation
 4153 
    * bit 5 (mask 0x20): file was not archived - many archivation
4153 
      programs have an option to archive only files with this bit set,
 4154 
      programs have an option to archive only files with this bit set,
4154 
      and after archiving this bit is cleared - it can be useful
 4155 
      and after archiving this bit is cleared - it can be useful
4155 
      for automatically creating of backup-archives as at writing
 4156 
      for automatically creating of backup-archives as at writing
4156 
      this bit is usually set
 4157 
      this bit is usually set
4157 
  * +4: byte: type of name data:
 4158 
  * +4: byte: type of name data:
4158 
    (coincides with bit 0 of flags in the information structure)
 4159 
    (coincides with bit 0 of flags in the information structure)
4159 
    * 0 = ASCII = 1-byte representation of each character
 4160 
    * 0 = ASCII = 1-byte representation of each character
4160 
    * 1 = UNICODE = 2-byte representation of each character
 4161 
    * 1 = UNICODE = 2-byte representation of each character
4161 
  * +5: 3*byte: reserved (zero)
 4162 
  * +5: 3*byte: reserved (zero)
4162 
  * +8: 4*byte: time of file creation
 4163 
  * +8: 4*byte: time of file creation
4163 
  * +12 = +0xC: 4*byte: date of file creation
 4164 
  * +12 = +0xC: 4*byte: date of file creation
4164 
  * +16 = +0x10: 4*byte: time of last access (read or write)
 4165 
  * +16 = +0x10: 4*byte: time of last access (read or write)
4165 
  * +20 = +0x14: 4*byte: date of last access
 4166 
  * +20 = +0x14: 4*byte: date of last access
4166 
  * +24 = +0x18: 4*byte: time of last modification
 4167 
  * +24 = +0x18: 4*byte: time of last modification
4167 
  * +28 = +0x1C: 4*byte: date of last modification
 4168 
  * +28 = +0x1C: 4*byte: date of last modification
4168 
  * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb)
 4169 
  * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb)
4169 
  * +40 = +0x28: name
 4170 
  * +40 = +0x28: name
4170 
    * for ASCII format: maximum length is 263 characters
 4171 
    * for ASCII format: maximum length is 263 characters
4171 
      (263 bytes), byte after the name has value 0
 4172 
      (263 bytes), byte after the name has value 0
4172 
    * for UNICODE format: maximum length is 259 characters
 4173 
    * for UNICODE format: maximum length is 259 characters
4173 
      (518 bytes), 2 bytes after the name have value 0
 4174 
      (518 bytes), 2 bytes after the name have value 0
4174 
Time format:
 4175 
Time format:
4175 
  * +0: byte: seconds
 4176 
  * +0: byte: seconds
4176 
  * +1: byte: minutes
 4177 
  * +1: byte: minutes
4177 
  * +2: byte: hours
 4178 
  * +2: byte: hours
4178 
  * +3: byte: reserved (0)
 4179 
  * +3: byte: reserved (0)
4179 
  * for example, 23.59.59 is written as (in hex) 3B 3B 17 00
 4180 
  * for example, 23.59.59 is written as (in hex) 3B 3B 17 00
4180 
Date format:
 4181 
Date format:
4181 
  * +0: byte: day
 4182 
  * +0: byte: day
4182 
  * +1: byte: month
 4183 
  * +1: byte: month
4183 
  * +2: word: year
 4184 
  * +2: word: year
4184 
  * for example, 25.11.1979 is written as (in hex) 19 0B BB 07
 4185 
  * for example, 25.11.1979 is written as (in hex) 19 0B BB 07
4185 
Remarks:
 4186 
Remarks:
4186 
  * If BDFE contains ASCII name, the length of BDFE is 304 bytes,
 4187 
  * If BDFE contains ASCII name, the length of BDFE is 304 bytes,
4187 
    if UNICODE name - 560 bytes. Value of length is aligned
 4188 
    if UNICODE name - 560 bytes. Value of length is aligned
4188 
    on 16-byte bound (to accelerate processing in CPU cache).
 4189 
    on 16-byte bound (to accelerate processing in CPU cache).
4189 
  * First character after a name is zero (ASCIIZ-string). The further
 4190 
  * First character after a name is zero (ASCIIZ-string). The further
4190 
    data contain garbage.
 4191 
    data contain garbage.
4191 
  * If files in folder were ended before requested number was read,
 4192 
  * If files in folder were ended before requested number was read,
4192 
    the function will read as many as it can, and after that return
 4193 
    the function will read as many as it can, and after that return
4193 
    eax=6 (EOF).
 4194 
    eax=6 (EOF).
4194 
  * Any folder on the disk, except for root, contains two special
 4195 
  * Any folder on the disk, except for root, contains two special
4195 
    entries "." and "..", identifying accordingly the folder itself
 4196 
    entries "." and "..", identifying accordingly the folder itself
4196 
    and the parent folder.
 4197 
    and the parent folder.
4197 
  * The function allows also to read virtual folders "/", "/rd",
 4198 
  * The function allows also to read virtual folders "/", "/rd",
4198 
    "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10,
 4199 
    "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10,
4199 
    and times and dates are zeroed. An alternative way to get the
 4200 
    and times and dates are zeroed. An alternative way to get the
4200 
    equipment information - subfunction 11 of function 18.
 4201 
    equipment information - subfunction 11 of function 18.
4201 
 
 4202 
 
4202 
======================================================================
 4203 
======================================================================
4203 
===================== Function 70, subfunction 2 =====================
 4204 
===================== Function 70, subfunction 2 =====================
4204 
============ Create/rewrite file with long names support. ============
 4205 
============ Create/rewrite file with long names support. ============
4205 
======================================================================
 4206 
======================================================================
4206 
Parameters:
 4207 
Parameters:
4207 
  * eax = 70 - function number
 4208 
  * eax = 70 - function number
4208 
  * ebx = pointer to the information structure
 4209 
  * ebx = pointer to the information structure
4209 
Format of the information structure:
 4210 
Format of the information structure:
4210 
  * +0: dword: 2 = subfunction number
 4211 
  * +0: dword: 2 = subfunction number
4211 
  * +4: dword: 0 (reserved)
 4212 
  * +4: dword: 0 (reserved)
4212 
  * +8: dword: 0 (reserved)
 4213 
  * +8: dword: 0 (reserved)
4213 
  * +12 = +0xC: dword: number of bytes to read
 4214 
  * +12 = +0xC: dword: number of bytes to read
4214 
  * +16 = +0x10: dword: pointer to data
 4215 
  * +16 = +0x10: dword: pointer to data
4215 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4216 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4216 
    given in the general description
 4217 
    given in the general description
4217 
    or
 4218 
    or
4218 
  * +20 = +0x14: db 0
 4219 
  * +20 = +0x14: db 0
4219 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4220 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4220 
Returned value:
 4221 
Returned value:
4221 
  * eax = 0 - success, otherwise file system error code
 4222 
  * eax = 0 - success, otherwise file system error code
4222 
  * ebx = number of written bytes (possibly 0)
 4223 
  * ebx = number of written bytes (possibly 0)
4223 
Remarks:
 4224 
Remarks:
4224 
  * If a file with given name did not exist, it is created;
 4225 
  * If a file with given name did not exist, it is created;
4225 
    if it existed, it is rewritten.
 4226 
    if it existed, it is rewritten.
4226 
  * If there is not enough free space on disk, the function will
 4227 
  * If there is not enough free space on disk, the function will
4227 
    write as many as can and then return error code 8.
 4228 
    write as many as can and then return error code 8.
4228 
  * The function is not supported for CD (returns error code 2).
 4229 
  * The function is not supported for CD (returns error code 2).
4229 
 
 4230 
 
4230 
======================================================================
 4231 
======================================================================
4231 
===================== Function 70, subfunction 3 =====================
 4232 
===================== Function 70, subfunction 3 =====================
4232 
=========== Write to existing file with long names support. ==========
 4233 
=========== Write to existing file with long names support. ==========
4233 
======================================================================
 4234 
======================================================================
4234 
Parameters:
 4235 
Parameters:
4235 
  * eax = 70 - function number
 4236 
  * eax = 70 - function number
4236 
  * ebx = pointer to the information structure
 4237 
  * ebx = pointer to the information structure
4237 
Format of the information structure:
 4238 
Format of the information structure:
4238 
  * +0: dword: 3 = subfunction number
 4239 
  * +0: dword: 3 = subfunction number
4239 
  * +4: dword: file offset (in bytes)
 4240 
  * +4: dword: file offset (in bytes)
4240 
  * +8: dword: high dword of offset (must be 0 for FAT)
 4241 
  * +8: dword: high dword of offset (must be 0 for FAT)
4241 
  * +12 = +0xC: dword: number of bytes to write
 4242 
  * +12 = +0xC: dword: number of bytes to write
4242 
  * +16 = +0x10: dword: pointer to data
 4243 
  * +16 = +0x10: dword: pointer to data
4243 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4244 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4244 
    given in the general description
 4245 
    given in the general description
4245 
    or
 4246 
    or
4246 
  * +20 = +0x14: db 0
 4247 
  * +20 = +0x14: db 0
4247 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4248 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4248 
Returned value:
 4249 
Returned value:
4249 
  * eax = 0 - success, otherwise file system error code
 4250 
  * eax = 0 - success, otherwise file system error code
4250 
  * ebx = number of written bytes (possibly 0)
 4251 
  * ebx = number of written bytes (possibly 0)
4251 
Remarks:
 4252 
Remarks:
4252 
  * The file must already exist, otherwise function returns eax=5.
 4253 
  * The file must already exist, otherwise function returns eax=5.
4253 
  * The only result of write 0 bytes is update in the file attributes
 4254 
  * The only result of write 0 bytes is update in the file attributes
4254 
    date/time of modification and access to the current date/time.
 4255 
    date/time of modification and access to the current date/time.
4255 
  * If beginning and/or ending position is greater than file size
 4256 
  * If beginning and/or ending position is greater than file size
4256 
    (except for the previous case), the file is expanded to needed
 4257 
    (except for the previous case), the file is expanded to needed
4257 
    size with zero characters.
 4258 
    size with zero characters.
4258 
  * The function is not supported for CD (returns error code 2).
 4259 
  * The function is not supported for CD (returns error code 2).
4259 
 
 4260 
 
4260 
======================================================================
 4261 
======================================================================
4261 
============ Function 70, subfunction 4 - set end of file. ===========
 4262 
============ Function 70, subfunction 4 - set end of file. ===========
4262 
======================================================================
 4263 
======================================================================
4263 
Parameters:
 4264 
Parameters:
4264 
  * eax = 70 - function number
 4265 
  * eax = 70 - function number
4265 
  * ebx = pointer to the information structure
 4266 
  * ebx = pointer to the information structure
4266 
Format of the information structure:
 4267 
Format of the information structure:
4267 
  * +0: dword: 4 = subfunction number
 4268 
  * +0: dword: 4 = subfunction number
4268 
  * +4: dword: low dword of new file size
 4269 
  * +4: dword: low dword of new file size
4269 
  * +8: dword: high dword of new file size (must be 0 for FAT)
 4270 
  * +8: dword: high dword of new file size (must be 0 for FAT)
4270 
  * +12 = +0xC: dword: 0 (reserved)
 4271 
  * +12 = +0xC: dword: 0 (reserved)
4271 
  * +16 = +0x10: dword: 0 (reserved)
 4272 
  * +16 = +0x10: dword: 0 (reserved)
4272 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4273 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4273 
    given in the general description
 4274 
    given in the general description
4274 
    or
 4275 
    or
4275 
  * +20 = +0x14: db 0
 4276 
  * +20 = +0x14: db 0
4276 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4277 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4277 
Returned value:
 4278 
Returned value:
4278 
  * eax = 0 - success, otherwise file system error code
 4279 
  * eax = 0 - success, otherwise file system error code
4279 
  * ebx destroyed
 4280 
  * ebx destroyed
4280 
Remarks:
 4281 
Remarks:
4281 
  * If the new file size is less than old one, file is truncated.
 4282 
  * If the new file size is less than old one, file is truncated.
4282 
    If the new size is greater than old one, file is expanded with
 4283 
    If the new size is greater than old one, file is expanded with
4283 
    characters with code 0. If the new size is equal to old one,
 4284 
    characters with code 0. If the new size is equal to old one,
4284 
    the only result of call is set date/time of modification and
 4285 
    the only result of call is set date/time of modification and
4285 
    access to the current date/time.
 4286 
    access to the current date/time.
4286 
  * If there is not enough free space on disk for expansion, the
 4287 
  * If there is not enough free space on disk for expansion, the
4287 
    function will expand to maximum possible size and then return
 4288 
    function will expand to maximum possible size and then return
4288 
    error code 8.
 4289 
    error code 8.
4289 
  * The function is not supported for CD (returns error code 2).
 4290 
  * The function is not supported for CD (returns error code 2).
4290 
 
 4291 
 
4291 
======================================================================
 4292 
======================================================================
4292 
==== Function 70, subfunction 5 - get information on file/folder. ====
 4293 
==== Function 70, subfunction 5 - get information on file/folder. ====
4293 
======================================================================
 4294 
======================================================================
4294 
Parameters:
 4295 
Parameters:
4295 
  * eax = 70 - function number
 4296 
  * eax = 70 - function number
4296 
  * ebx = pointer to the information structure
 4297 
  * ebx = pointer to the information structure
4297 
Format of the information structure:
 4298 
Format of the information structure:
4298 
  * +0: dword: 5 = subfunction number
 4299 
  * +0: dword: 5 = subfunction number
4299 
  * +4: dword: 0 (reserved)
 4300 
  * +4: dword: 0 (reserved)
4300 
  * +8: dword: 0 (reserved)
 4301 
  * +8: dword: 0 (reserved)
4301 
  * +12 = +0xC: dword: 0 (reserved)
 4302 
  * +12 = +0xC: dword: 0 (reserved)
4302 
  * +16 = +0x10: dword: pointer to buffer for data (40 bytes)
 4303 
  * +16 = +0x10: dword: pointer to buffer for data (40 bytes)
4303 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4304 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4304 
    given in the general description
 4305 
    given in the general description
4305 
    or
 4306 
    or
4306 
  * +20 = +0x14: db 0
 4307 
  * +20 = +0x14: db 0
4307 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4308 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4308 
Returned value:
 4309 
Returned value:
4309 
  * eax = 0 - success, otherwise file system error code
 4310 
  * eax = 0 - success, otherwise file system error code
4310 
  * ebx destroyed
 4311 
  * ebx destroyed
4311 
Information on file is returned in the BDFE format (block of data
 4312 
Information on file is returned in the BDFE format (block of data
4312 
for folder entry), explained in the description of
 4313 
for folder entry), explained in the description of
4313 
subfunction 1, but without filename
 4314 
subfunction 1, but without filename
4314 
(i.e. only first 40 = 0x28 bytes).
 4315 
(i.e. only first 40 = 0x28 bytes).
4315 
Remarks:
 4316 
Remarks:
4316 
  * The function does not support virtual folders such as /, /rd and
 4317 
  * The function does not support virtual folders such as /, /rd and
4317 
    root folders like /rd/1.
 4318 
    root folders like /rd/1.
4318 
 
 4319 
 
4319 
======================================================================
 4320 
======================================================================
4320 
===== Function 70, subfunction 6 - set attributes of file/folder. ====
 4321 
===== Function 70, subfunction 6 - set attributes of file/folder. ====
4321 
======================================================================
 4322 
======================================================================
4322 
Parameters:
 4323 
Parameters:
4323 
  * eax = 70 - function number
 4324 
  * eax = 70 - function number
4324 
  * ebx = pointer to the information structure
 4325 
  * ebx = pointer to the information structure
4325 
Format of the information structure:
 4326 
Format of the information structure:
4326 
  * +0: dword: 6 = subfunction number
 4327 
  * +0: dword: 6 = subfunction number
4327 
  * +4: dword: 0 (reserved)
 4328 
  * +4: dword: 0 (reserved)
4328 
  * +8: dword: 0 (reserved)
 4329 
  * +8: dword: 0 (reserved)
4329 
  * +12 = +0xC: dword: 0 (reserved)
 4330 
  * +12 = +0xC: dword: 0 (reserved)
4330 
  * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes)
 4331 
  * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes)
4331 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4332 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4332 
    given in the general description
 4333 
    given in the general description
4333 
    or
 4334 
    or
4334 
  * +20 = +0x14: db 0
 4335 
  * +20 = +0x14: db 0
4335 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4336 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4336 
Returned value:
 4337 
Returned value:
4337 
  * eax = 0 - success, otherwise file system error code
 4338 
  * eax = 0 - success, otherwise file system error code
4338 
  * ebx destroyed
 4339 
  * ebx destroyed
4339 
File attributes are first 32 bytes in BDFE (block of data
 4340 
File attributes are first 32 bytes in BDFE (block of data
4340 
for folder entry), explained in the description of subfunction 1
 4341 
for folder entry), explained in the description of subfunction 1
4341 
(that is, without name and size of file). Attribute
 4342 
(that is, without name and size of file). Attribute
4342 
file/folder/volume label (bits 3,4 in dword +0) is not changed.
 4343 
file/folder/volume label (bits 3,4 in dword +0) is not changed.
4343 
Byte +4 (name format) is ignored.
 4344 
Byte +4 (name format) is ignored.
4344 
Remarks:
 4345 
Remarks:
4345 
  * The function does not support virtual folders such as /, /rd and
 4346 
  * The function does not support virtual folders such as /, /rd and
4346 
    root folders like /rd/1.
 4347 
    root folders like /rd/1.
4347 
  * The function is not supported for CD (returns error code 2).
 4348 
  * The function is not supported for CD (returns error code 2).
4348 
 
 4349 
 
4349 
======================================================================
 4350 
======================================================================
4350 
=========== Function 70, subfunction 7 - start application. ==========
 4351 
=========== Function 70, subfunction 7 - start application. ==========
4351 
======================================================================
 4352 
======================================================================
4352 
Parameters:
 4353 
Parameters:
4353 
  * eax = 70 - function number
 4354 
  * eax = 70 - function number
4354 
  * ebx = pointer to the information structure
 4355 
  * ebx = pointer to the information structure
4355 
Format of the information structure:
 4356 
Format of the information structure:
4356 
  * +0: dword: 7 = subfunction number
 4357 
  * +0: dword: 7 = subfunction number
4357 
  * +4: dword: flags field:
 4358 
  * +4: dword: flags field:
4358 
    * áèò 0: start process as debugged
 4359 
    * áèò 0: start process as debugged
4359 
    * other bits are reserved and must be set to 0
 4360 
    * other bits are reserved and must be set to 0
4360 
  * +8: dword: 0 or pointer to ASCIIZ-string with parameters
 4361 
  * +8: dword: 0 or pointer to ASCIIZ-string with parameters
4361 
  * +12 = +0xC: dword: 0 (reserved)
 4362 
  * +12 = +0xC: dword: 0 (reserved)
4362 
  * +16 = +0x10: dword: 0 (reserved)
 4363 
  * +16 = +0x10: dword: 0 (reserved)
4363 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4364 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4364 
    given in the general description
 4365 
    given in the general description
4365 
    or
 4366 
    or
4366 
  * +20 = +0x14: db 0
 4367 
  * +20 = +0x14: db 0
4367 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4368 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4368 
Returned value:
 4369 
Returned value:
4369 
  * eax > 0 - program is loaded, eax contains PID
 4370 
  * eax > 0 - program is loaded, eax contains PID
4370 
  * eax < 0 - an error has occured, -eax contains
 4371 
  * eax < 0 - an error has occured, -eax contains
4371 
    file system error code
 4372 
    file system error code
4372 
  * ebx destroyed
 4373 
  * ebx destroyed
4373 
Remarks:
 4374 
Remarks:
4374 
  * Command line must be terminated by the character with the code 0
 4375 
  * Command line must be terminated by the character with the code 0
4375 
    (ASCIIZ-string); function takes into account either all characters
 4376 
    (ASCIIZ-string); function takes into account either all characters
4376 
    up to terminating zero inclusively or first 256 character
 4377 
    up to terminating zero inclusively or first 256 character
4377 
    regarding what is less.
 4378 
    regarding what is less.
4378 
  * If the process is started as debugged, it is created in
 4379 
  * If the process is started as debugged, it is created in
4379 
    the suspended state; to run use subfunction 5 of function 69.
 4380 
    the suspended state; to run use subfunction 5 of function 69.
4380 
 
 4381 
 
4381 
======================================================================
 4382 
======================================================================
4382 
========== Function 70, subfunction 8 - delete file/folder. ==========
 4383 
========== Function 70, subfunction 8 - delete file/folder. ==========
4383 
======================================================================
 4384 
======================================================================
4384 
Parameters:
 4385 
Parameters:
4385 
  * eax = 70 - function number
 4386 
  * eax = 70 - function number
4386 
  * ebx = pointer to the information structure
 4387 
  * ebx = pointer to the information structure
4387 
Format of the information structure:
 4388 
Format of the information structure:
4388 
  * +0: dword: 8 = subfunction number
 4389 
  * +0: dword: 8 = subfunction number
4389 
  * +4: dword: 0 (reserved)
 4390 
  * +4: dword: 0 (reserved)
4390 
  * +8: dword: 0 (reserved)
 4391 
  * +8: dword: 0 (reserved)
4391 
  * +12 = +0xC: dword: 0 (reserved)
 4392 
  * +12 = +0xC: dword: 0 (reserved)
4392 
  * +16 = +0x10: dword: 0 (reserved)
 4393 
  * +16 = +0x10: dword: 0 (reserved)
4393 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4394 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4394 
    given in the general description
 4395 
    given in the general description
4395 
    or
 4396 
    or
4396 
  * +20 = +0x14: db 0
 4397 
  * +20 = +0x14: db 0
4397 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4398 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4398 
Returned value:
 4399 
Returned value:
4399 
  * eax = 0 - success, otherwise file system error code
 4400 
  * eax = 0 - success, otherwise file system error code
4400 
  * ebx destroyed
 4401 
  * ebx destroyed
4401 
Remarks:
 4402 
Remarks:
4402 
  * The function is not supported for CD (returns error code 2).
 4403 
  * The function is not supported for CD (returns error code 2).
4403 
  * The function can delete only empty folders (attempt to delete
 4404 
  * The function can delete only empty folders (attempt to delete
4404 
    nonempty folder results in error with code 10, "access denied").
 4405 
    nonempty folder results in error with code 10, "access denied").
4405 
 
 4406 
 
4406 
======================================================================
 4407 
======================================================================
4407 
============= Function 70, subfunction 9 - create folder. ============
 4408 
============= Function 70, subfunction 9 - create folder. ============
4408 
======================================================================
 4409 
======================================================================
4409 
Parameters:
 4410 
Parameters:
4410 
  * eax = 70 - function number
 4411 
  * eax = 70 - function number
4411 
  * ebx = pointer to the information structure
 4412 
  * ebx = pointer to the information structure
4412 
Format of the information structure:
 4413 
Format of the information structure:
4413 
  * +0: dword: 9 = subfunction number
 4414 
  * +0: dword: 9 = subfunction number
4414 
  * +4: dword: 0 (reserved)
 4415 
  * +4: dword: 0 (reserved)
4415 
  * +8: dword: 0 (reserved)
 4416 
  * +8: dword: 0 (reserved)
4416 
  * +12 = +0xC: dword: 0 (reserved)
 4417 
  * +12 = +0xC: dword: 0 (reserved)
4417 
  * +16 = +0x10: dword: 0 (reserved)
 4418 
  * +16 = +0x10: dword: 0 (reserved)
4418 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
 4419 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
4419 
    given in the general description
 4420 
    given in the general description
4420 
    or
 4421 
    or
4421 
  * +20 = +0x14: db 0
 4422 
  * +20 = +0x14: db 0
4422 
  * +21 = +0x15: dd pointer to ASCIIZ-string with folder name
 4423 
  * +21 = +0x15: dd pointer to ASCIIZ-string with folder name
4423 
Returned value:
 4424 
Returned value:
4424 
  * eax = 0 - success, otherwise file system error code
 4425 
  * eax = 0 - success, otherwise file system error code
4425 
  * ebx destroyed
 4426 
  * ebx destroyed
4426 
Remarks:
 4427 
Remarks:
4427 
  * The function is not supported for CD (returns error code 2).
 4428 
  * The function is not supported for CD (returns error code 2).
4428 
  * The parent folder must already exist.
 4429 
  * The parent folder must already exist.
4429 
  * If target folder already exists, function returns success (eax=0).
 4430 
  * If target folder already exists, function returns success (eax=0).
4430 
 
 4431 
 
4431 
======================================================================
 4432 
======================================================================
4432 
========== Function 71, subfunction 1 - set window caption. ==========
 4433 
========== Function 71, subfunction 1 - set window caption. ==========
4433 
======================================================================
 4434 
======================================================================
4434 
Parameters:
 4435 
Parameters:
4435 
  * eax = 71 - function number
 4436 
  * eax = 71 - function number
4436 
  * ebx = 1 - subfunction number
 4437 
  * ebx = 1 - subfunction number
4437 
  * ecx = pointer to caption string
 4438 
  * ecx = pointer to caption string
4438 
Returned value:
 4439 
Returned value:
4439 
  * function does not return value
 4440 
  * function does not return value
4440 
Remarks:
 4441 
Remarks:
4441 
  * String must be in the ASCIIZ-format. Disregarding real string
 4442 
  * String must be in the ASCIIZ-format. Disregarding real string
4442 
    length, no more than 255 characters are drawn.
 4443 
    length, no more than 255 characters are drawn.
4443 
  * Pass NULL in ecx to remove caption.
 4444 
  * Pass NULL in ecx to remove caption.
4444 
 
 4445 
 
4445 
======================================================================
 4446 
======================================================================
4446 
=============== Function -1 - terminate thread/process ===============
 4447 
=============== Function -1 - terminate thread/process ===============
4447 
======================================================================
 4448 
======================================================================
4448 
Parameters:
 4449 
Parameters:
4449 
  * eax = -1 - function number
 4450 
  * eax = -1 - function number
4450 
Returned value:
 4451 
Returned value:
4451 
  * function does not return neither value nor control
 4452 
  * function does not return neither value nor control
4452 
Remarks:
 4453 
Remarks:
4453 
  * If the process did not create threads obviously, it has only
 4454 
  * If the process did not create threads obviously, it has only
4454 
    one thread, which termination results in process termination.
 4455 
    one thread, which termination results in process termination.
4455 
  * If the current thread is last in the process, its termination
 4456 
  * If the current thread is last in the process, its termination
4456 
    also results in process terminates.
 4457 
    also results in process terminates.
4457 
  * This function terminates the current thread. Other thread can be
 4458 
  * This function terminates the current thread. Other thread can be
4458 
    killed by call to subfunction 2 of function 18.
 4459 
    killed by call to subfunction 2 of function 18.
4459 
 
 4460 
 
4460 
======================================================================
 4461 
======================================================================
4461 
=========================== List of events ===========================
 4462 
=========================== List of events ===========================
4462 
======================================================================
 4463 
======================================================================
4463 
Next event can be retrieved by the call of one from functions 10
 4464 
Next event can be retrieved by the call of one from functions 10
4464 
(to wait for event), 11 (to check without waiting), 23
 4465 
(to wait for event), 11 (to check without waiting), 23
4465 
(to wait during the given time).
 4466 
(to wait during the given time).
4466 
These functions return only those events, which enter into a mask set
 4467 
These functions return only those events, which enter into a mask set
4467 
by function 40. By default it is first three,
 4468 
by function 40. By default it is first three,
4468 
there is enough for most applications.
 4469 
there is enough for most applications.
4469 
Codes of events:
 4470 
Codes of events:
4470 
  * 1 = redraw event (is reset by call to function 0)
 4471 
  * 1 = redraw event (is reset by call to function 0)
4471 
  * 2 = key on keyboard is pressed (acts, only when the window is
 4472 
  * 2 = key on keyboard is pressed (acts, only when the window is
4472 
    active) or hotkey is pressed; is reset, when all keys from
 4473 
    active) or hotkey is pressed; is reset, when all keys from
4473 
    the buffer are read out by function 2
 4474 
    the buffer are read out by function 2
4474 
  * 3 = button is pressed, defined earlier by function 8
 4475 
  * 3 = button is pressed, defined earlier by function 8
4475 
    (or close button, created implicitly by function 0;
 4476 
    (or close button, created implicitly by function 0;
4476 
    minimize button is handled by the system and sends no message;
 4477 
    minimize button is handled by the system and sends no message;
4477 
    acts, only when the window is active;
 4478 
    acts, only when the window is active;
4478 
    is reset when all buttons from the buffer
 4479 
    is reset when all buttons from the buffer
4479 
    are read out by function 17)
 4480 
    are read out by function 17)
4480 
  * 4 = reserved (in current implementation never comes even after
 4481 
  * 4 = reserved (in current implementation never comes even after
4481 
    unmasking by function 40)
 4482 
    unmasking by function 40)
4482 
  * 5 = the desktop background is redrawed (is reset automatically
 4483 
  * 5 = the desktop background is redrawed (is reset automatically
4483 
    after redraw, so if in redraw time program does not wait and
 4484 
    after redraw, so if in redraw time program does not wait and
4484 
    does not check events, it will not remark this event)
 4485 
    does not check events, it will not remark this event)
4485 
  * 6 = mouse event (something happened - button pressing or moving;
 4486 
  * 6 = mouse event (something happened - button pressing or moving;
4486 
    is reset at reading)
 4487 
    is reset at reading)
4487 
  * 7 = IPC event (see function 60 -
 4488 
  * 7 = IPC event (see function 60 -
4488 
    Inter Process Communication; is reset at reading)
 4489 
    Inter Process Communication; is reset at reading)
4489 
  * 8 = network event (is reset at reading)
 4490 
  * 8 = network event (is reset at reading)
4490 
  * 9 = debug event (is reset at reading; see
 4491 
  * 9 = debug event (is reset at reading; see
4491 
    debug subsystem)
 4492 
    debug subsystem)
4492 
  * 16..31 = event with appropriate IRQ
 4493 
  * 16..31 = event with appropriate IRQ
4493 
    (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data)
 4494 
    (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data)
4494 
 
 4495 
 
4495 
======================================================================
 4496 
======================================================================
4496 
=================== Error codes of the file system ===================
 4497 
=================== Error codes of the file system ===================
4497 
======================================================================
 4498 
======================================================================
4498 
  * 0 = success
 4499 
  * 0 = success
4499 
  * 1 = base and/or partition of a hard disk is not defined
 4500 
  * 1 = base and/or partition of a hard disk is not defined
4500 
    (by subfunctions 7, 8 of function 21)
 4501 
    (by subfunctions 7, 8 of function 21)
4501 
  * 2 = function is not supported for the given file system
 4502 
  * 2 = function is not supported for the given file system
4502 
  * 3 = unknown file system
 4503 
  * 3 = unknown file system
4503 
  * 4 = reserved, is never returned in the current implementation
 4504 
  * 4 = reserved, is never returned in the current implementation
4504 
  * 5 = file not found
 4505 
  * 5 = file not found
4505 
  * 6 = end of file, EOF
 4506 
  * 6 = end of file, EOF
4506 
  * 7 = pointer lies outside of application memory
 4507 
  * 7 = pointer lies outside of application memory
4507 
  * 8 = disk is full
 4508 
  * 8 = disk is full
4508 
  * 9 = FAT table is destroyed
 4509 
  * 9 = FAT table is destroyed
4509 
  * 10 = access denied
 4510 
  * 10 = access denied
4510 
  * 11 = device error
 4511 
  * 11 = device error
4511 
Application start functions can return also following errors:
 4512 
Application start functions can return also following errors:
4512 
  * 30 = 0x1E = not enough memory
 4513 
  * 30 = 0x1E = not enough memory
4513 
  * 31 = 0x1F = file is not executable
 4514 
  * 31 = 0x1F = file is not executable
4514 
  * 32 = 0x20 = too many processes
 4515 
  * 32 = 0x20 = too many processes
4515 
>
 4516 
>
4516 
>
 4517 
>
4517 
>
 4518 
>
4518 
>
 4519 
>