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SYSTEM FUNCTIONS of OS Kolibri 0.6.4.0
 1 
SYSTEM FUNCTIONS of OS Kolibri 0.6.4.0
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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.
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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:
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  * 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:
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      * 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 
      * other possible values (from 4 up to 15) are reserved,
 25 
      * other possible values (from 4 up to 15) are reserved,
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        function call with such Y is ignored
 26 
        function call with such Y is ignored
27 
    * RR, GG, BB = accordingly red, green, blue components of a color
 27 
    * 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)
 28 
      of the working area of the window (are ignored for style Y=2)
29 
    * X = DCBA (bits)
 29 
    * X = DCBA (bits)
30 
      * A = 1 - window has caption; for style Y=3 caption string
 30 
      * A = 1 - window has caption; for style Y=3 caption string
31 
                  must be passed in edi, for other styles use
 31 
                  must be passed in edi, for other styles use
32 
                  subfunction 1 of function 71
 32 
                  subfunction 1 of function 71
33 
      * B = 1 - coordinates of all graphics primitives are relative to
 33 
      * B = 1 - coordinates of all graphics primitives are relative to
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                  window client area
 34 
                  window client area
35 
      * C = 1 - don't fill working area on window draw
 35 
      * C = 1 - don't fill working area on window draw
36 
      * D = 0 - normal filling of the working area, 1 - gradient
 36 
      * D = 0 - normal filling of the working area, 1 - gradient
37 
    The following parameters are intended for windows
 37 
    The following parameters are intended for windows
38 
    of a type I and II, and ignored for styles Y=1,3:
 38 
    of a type I and II, and ignored for styles Y=1,3:
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  * esi = 0xXYRRGGBB - color of the header
 39 
  * esi = 0xXYRRGGBB - color of the header
40 
    * RR, GG, BB define color
 40 
    * RR, GG, BB define color
41 
    * Y=0 - usual window, Y=1 - unmovable window
 41 
    * Y=0 - usual window, Y=1 - unmovable window
42 
    * X defines a gradient of header: X=0 - no gradient,
 42 
    * X defines a gradient of header: X=0 - no gradient,
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      X=8 - usual gradient,
 43 
      X=8 - usual gradient,
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      for windows of a type II X=4 - negative gradient
 44 
      for windows of a type II X=4 - negative gradient
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    * other values of X and Y are reserved
 45 
    * other values of X and Y are reserved
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  * edi = 0x00RRGGBB - color of the frame
 46 
  * edi = 0x00RRGGBB - color of the frame
47 
Returned value:
 47 
Returned value:
48 
  * function does not return value
 48 
  * function does not return value
49 
Remarks:
 49 
Remarks:
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  * Position and sizes of the window are installed by the first
 50 
  * 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
 51 
    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.
 52 
    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
 54 
    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
 56 
    of function 12 - end redraw); to change caption of already created
57 
    window use subfunction 1 of function 71.
 57 
    window use subfunction 1 of function 71.
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  * If the window has appropriate styles, position and/or sizes can be
 58 
  * 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
 59 
    changed by user. Current position and sizes can be obtained
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    by function 9.
 60 
    by function 9.
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  * The window must fit on the screen. If the transferred
 61 
  * The window must fit on the screen. If the transferred
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    coordinates and sizes do not satisfy to this condition,
 62 
    coordinates and sizes do not satisfy to this condition,
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    appropriate coordinate (or, probably, both) is considered as zero,
 63 
    appropriate coordinate (or, probably, both) is considered as zero,
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    and if it does not help too, the appropriate size
 64 
    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.
 65 
    (or, probably, both) is installed in a size of the screen.
66
66
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    Further let us designate xpos,ypos,xsize,ysize - values passed
 67 
    Further let us designate xpos,ypos,xsize,ysize - values passed
68 
    in ebx,ecx. The coordinates are resulted concerning
 68 
    in ebx,ecx. The coordinates are resulted concerning
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    the left upper corner of the window, which, thus, is set as (0,0),
 69 
    the left upper corner of the window, which, thus, is set as (0,0),
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    coordinates of the right lower corner essence (xsize,ysize).
 70 
    coordinates of the right lower corner essence (xsize,ysize).
71 
  * The sizes of the window are understood in sence of coordinates
 71 
  * The sizes of the window are understood in sence of coordinates
72 
    of the right lower corner. This concerns all other functions too.
 72 
    of the right lower corner. This concerns all other functions too.
73 
    It means, that the real sizes are on 1 pixel more.
 73 
    It means, that the real sizes are on 1 pixel more.
74 
  * The window of type I looks as follows:
 74 
  * The window of type I looks as follows:
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    * draw external frame of color indicated in edi, 1 pixel in width
 75 
    * draw external frame of color indicated in edi, 1 pixel in width
76 
    * draw header - rectangle with the left upper corner (1,1) and
 76 
    * draw header - rectangle with the left upper corner (1,1) and
77 
      right lower (xsize-1,min(25,ysize)) color indicated in esi
 77 
      right lower (xsize-1,min(25,ysize)) color indicated in esi
78 
      (taking a gradient into account)
 78 
      (taking a gradient into account)
79 
    * if ysize>=26, fill the working area of the window -
 79 
    * 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
 80 
      rectangle with the left upper corner (1,21) and right lower
81 
      (xsize-1,ysize-1) (sizes (xsize-1)*(ysize-21)) with color
 81 
      (xsize-1,ysize-1) (sizes (xsize-1)*(ysize-21)) with color
82 
      indicated in edx (taking a gradient into account)
 82 
      indicated in edx (taking a gradient into account)
83 
    * if A=1 and caption has been already set by subfunction 1
 83 
    * if A=1 and caption has been already set by subfunction 1
84 
      of function 71, it is drawn in the corresponding place of header
 84 
      of function 71, it is drawn in the corresponding place of header
85 
  * The window of style Y=1 looks as follows:
 85 
  * The window of style Y=1 looks as follows:
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    * completely defined by the application
 86 
    * completely defined by the application
87 
  * The window of type II looks as follows:
 87 
  * The window of type II looks as follows:
88 
    * draw external frame of width 1 pixel with the "shaded" color
 88 
    * draw external frame of width 1 pixel with the "shaded" color
89 
      edi (all components of the color decrease twice)
 89 
      edi (all components of the color decrease twice)
90 
    * draw intermediate frame of width 3 pixels with color edi
 90 
    * draw intermediate frame of width 3 pixels with color edi
91 
    * draw internal frame of width 1 pixel with the "shaded" color edi
 91 
    * draw internal frame of width 1 pixel with the "shaded" color edi
92 
    * draw header - rectangle with the left upper corner (4,4)
 92 
    * draw header - rectangle with the left upper corner (4,4)
93 
      and right lower (xsize-4,min(20,ysize)) color, indicated in esi
 93 
      and right lower (xsize-4,min(20,ysize)) color, indicated in esi
94 
      (taking a gradient into account)
 94 
      (taking a gradient into account)
95 
    * if ysize>=26, fill the working area of the window -
 95 
    * if ysize>=26, fill the working area of the window -
96 
      rectangle with the left upper corner (5,20) and right lower
 96 
      rectangle with the left upper corner (5,20) and right lower
97 
      (xsize-5,ysize-5) with color indicated in edx
 97 
      (xsize-5,ysize-5) with color indicated in edx
98 
      (taking a gradient into account)
 98 
      (taking a gradient into account)
99 
    * if A=1 and caption has been already set by subfunction 1
 99 
    * 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
 100 
      of function 71, it is drawn in the corresponding place of header
101 
  * The skinned window looks as follows:
 101 
  * The skinned window looks as follows:
102 
    * draw external frame of width 1 pixel
 102 
    * draw external frame of width 1 pixel
103 
      with color 'outer' from the skin
 103 
      with color 'outer' from the skin
104 
    * draw intermediate frame of width 3 pixel
 104 
    * draw intermediate frame of width 3 pixel
105 
      with color 'frame' from the skin
 105 
      with color 'frame' from the skin
106 
    * draw internal frame of width 1 pixel
 106 
    * draw internal frame of width 1 pixel
107 
      with color 'inner' from the skin
 107 
      with color 'inner' from the skin
108 
    * draw header (on bitmaps from the skin) in a rectangle
 108 
    * draw header (on bitmaps from the skin) in a rectangle
109 
      (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 -
 110 
    * 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)
 113 
      (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
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      (see function 8)
 115 
      (see function 8)
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    * if A=1 and edi contains (nonzero) pointer to caption string,
 116 
    * 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
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      it is drawn in place in header defined in the skin
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    * value _skinh is accessible as the result of call
 118 
    * value _skinh is accessible as the result of call
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      subfunction 4 of function 48
 119 
      subfunction 4 of function 48
120 
 
 120 
 
121 
======================================================================
 121 
======================================================================
122 
================ Function 1 - put pixel in the window. ===============
 122 
================ Function 1 - put pixel in the window. ===============
123 
======================================================================
 123 
======================================================================
124 
Parameters:
 124 
Parameters:
125 
  * eax = 1 - function number
 125 
  * eax = 1 - function number
126 
  * ebx = x-coordinate (relative to the window)
 126 
  * ebx = x-coordinate (relative to the window)
127 
  * ecx = y-coordinate (relative to the window)
 127 
  * ecx = y-coordinate (relative to the window)
128 
  * edx = 0x00RRGGBB - color of a pixel
 128 
  * edx = 0x00RRGGBB - color of a pixel
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    edx = 0x01xxxxxx - invert color of a pixel
 129 
    edx = 0x01xxxxxx - invert color of a pixel
130 
          (low 24 bits are ignored)
 130 
          (low 24 bits are ignored)
131 
Returned value:
 131 
Returned value:
132 
  * function does not return value
 132 
  * function does not return value
133 
 
 133 
 
134 
======================================================================
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======================================================================
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============ Function 2 - get the code of the pressed key. ===========
 135 
============ Function 2 - get the code of the pressed key. ===========
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======================================================================
 136 
======================================================================
137 
Takes away the code of the pressed key from the buffer.
 137 
Takes away the code of the pressed key from the buffer.
138 
Parameters:
 138 
Parameters:
139 
  * eax = 2 - function number
 139 
  * eax = 2 - function number
140 
Returned value:
 140 
Returned value:
141 
  * if the buffer is empty, function returns eax=1
 141 
  * if the buffer is empty, function returns eax=1
142 
  * if the buffer is not empty, function returns al=0,
 142 
  * if the buffer is not empty, function returns al=0,
143 
    ah=code of the pressed key, high word of eax is zero
 143 
    ah=code of the pressed key, high word of eax is zero
144 
  * if there is "hotkey", function returns al=2,
 144 
  * if there is "hotkey", function returns al=2,
145 
    ah=scancode of the pressed key (0 for control keys),
 145 
    ah=scancode of the pressed key (0 for control keys),
146 
    high word of eax contains a status of control keys at the moment
 146 
    high word of eax contains a status of control keys at the moment
147 
    of pressing a hotkey
 147 
    of pressing a hotkey
148 
Remarks:
 148 
Remarks:
149 
  * There is a common system buffer of the pressed keys
 149 
  * There is a common system buffer of the pressed keys
150 
    by a size of 120 bytes, organized as queue.
 150 
    by a size of 120 bytes, organized as queue.
151 
  * There is one more common system buffer on 120 "hotkeys".
 151 
  * There is one more common system buffer on 120 "hotkeys".
152 
  * If the application with the inactive window calls this function,
 152 
  * If the application with the inactive window calls this function,
153 
    the buffer of the pressed keys is considered to be empty.
 153 
    the buffer of the pressed keys is considered to be empty.
154 
  * By default this function returns ASCII-codes; to switch
 154 
  * By default this function returns ASCII-codes; to switch
155 
    to the scancodes mode (and back) use function 66.
 155 
    to the scancodes mode (and back) use function 66.
156 
    However, hotkeys are always notificated as scancodes.
 156 
    However, hotkeys are always notificated as scancodes.
157 
  * To find out, what keys correspond to what codes, start
 157 
  * To find out, what keys correspond to what codes, start
158 
    the application keyascii and scancode.
 158 
    the application keyascii and scancode.
159 
  * Scancodes come directly from keyboard and are fixed;
 159 
  * Scancodes come directly from keyboard and are fixed;
160 
    ASCII-codes turn out with usage of the conversion tables,
 160 
    ASCII-codes turn out with usage of the conversion tables,
161 
    which can be set by subfunction 2 of function 21
 161 
    which can be set by subfunction 2 of function 21
162 
    and get by subfunction 2 of function 26.
 162 
    and get by subfunction 2 of function 26.
163 
  * As a consequence, ASCII-codes take into account current
 163 
  * As a consequence, ASCII-codes take into account current
164 
    keyboard layout (rus/en) as opposed to scancodes.
 164 
    keyboard layout (rus/en) as opposed to scancodes.
165 
  * This function notifies only about those hotkeys, which were
 165 
  * This function notifies only about those hotkeys, which were
166 
    defined by this thread by subfunction 4 of function 66.
 166 
    defined by this thread by subfunction 4 of function 66.
167 
 
 167 
 
168 
======================================================================
 168 
======================================================================
169 
==================== Function 3 - get system time. ===================
 169 
==================== Function 3 - get system time. ===================
170 
======================================================================
 170 
======================================================================
171 
Parameters:
 171 
Parameters:
172 
  * eax = 3 - function number
 172 
  * eax = 3 - function number
173 
Returned value:
 173 
Returned value:
174 
  * eax = 0x00SSMMHH, where HH:MM:SS = Hours:Minutes:Seconds
 174 
  * eax = 0x00SSMMHH, where HH:MM:SS = Hours:Minutes:Seconds
175 
  * each item is BCD-number, for example,
 175 
  * each item is BCD-number, for example,
176 
    for time 23:59:59 function returns 0x00595923
 176 
    for time 23:59:59 function returns 0x00595923
177 
Remarks:
 177 
Remarks:
178 
  * See also subfunction 9 of function 26 - get time from
 178 
  * See also subfunction 9 of function 26 - get time from
179 
    the moment of start of the system; it is more convenient, because
 179 
    the moment of start of the system; it is more convenient, because
180 
    returns simply DWORD-value of the time counter.
 180 
    returns simply DWORD-value of the time counter.
181 
  * System time can be set by function 22.
 181 
  * System time can be set by function 22.
182 
 
 182 
 
183 
======================================================================
 183 
======================================================================
184 
============ Function 4 - draw text string in the window. ============
 184 
============ Function 4 - draw text string in the window. ============
185 
======================================================================
 185 
======================================================================
186 
Parameters:
 186 
Parameters:
187 
  * eax = 4 - function number
 187 
  * eax = 4 - function number
188 
  * ebx = [coordinate on axis x]*65536 + [coordinate on axis y]
 188 
  * ebx = [coordinate on axis x]*65536 + [coordinate on axis y]
189 
  * ecx = 0xX0RRGGBB, where
 189 
  * ecx = 0xX0RRGGBB, where
190 
    * RR, GG, BB specify text color
 190 
    * RR, GG, BB specify text color
191 
    * X=ABnn (bits):
 191 
    * X=ABnn (bits):
192 
    * nn specifies the used font: 0=system monospaced,
 192 
    * nn specifies the used font: 0=system monospaced,
193 
      1=system font of variable width
 193 
      1=system font of variable width
194 
    * A=0 - output esi characters, A=1 - output ASCIIZ-string
 194 
    * A=0 - output esi characters, A=1 - output ASCIIZ-string
195 
    * B=1 - fill background with the color edi
 195 
    * B=1 - fill background with the color edi
196 
  * edx = pointer to the beginning of the string
 196 
  * edx = pointer to the beginning of the string
197 
  * esi = for A=0 length of the string, must not exceed 255;
 197 
  * esi = for A=0 length of the string, must not exceed 255;
198 
          for A=1 is ignored
 198 
          for A=1 is ignored
199 
Returned value:
 199 
Returned value:
200 
  * function does not return value
 200 
  * function does not return value
201 
Remarks:
 201 
Remarks:
202 
  * First system font is read out at loading from the file char.mt,
 202 
  * First system font is read out at loading from the file char.mt,
203 
    second - from char2.mt.
 203 
    second - from char2.mt.
204 
  * Both fonts have height 9 pixels, width of the monospaced font
 204 
  * Both fonts have height 9 pixels, width of the monospaced font
205 
    is equal to 6 pixels.
 205 
    is equal to 6 pixels.
206 
 
 206 
 
207 
======================================================================
 207 
======================================================================
208 
========================= Function 5 - delay. ========================
 208 
========================= Function 5 - delay. ========================
209 
======================================================================
 209 
======================================================================
210 
Delays execution of the program on the given time.
 210 
Delays execution of the program on the given time.
211 
Parameters:
 211 
Parameters:
212 
  * eax = 5 - function number
 212 
  * eax = 5 - function number
213 
  * ebx = time in the 1/100 of second
 213 
  * ebx = time in the 1/100 of second
214 
Returned value:
 214 
Returned value:
215 
  * function does not return value
 215 
  * function does not return value
216 
Remarks:
 216 
Remarks:
217 
  * Passing ebx=0 does not transfer control to the next process
 217 
  * 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
 218 
    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
 219 
    to transfer control to the next process (to complete a current
220 
    time slice), use subfunction 1 of function 68.
 220 
    time slice), use subfunction 1 of function 68.
221 
  * At current implementation there will be an immediate return from
 221 
  * At current implementation there will be an immediate return from
222 
    the function, if the addition of ebx with current value of
 222 
    the function, if the addition of ebx with current value of
223 
    time counter will call 32-bit overflow.
 223 
    time counter will call 32-bit overflow.
224 
 
 224 
 
225 
======================================================================
 225 
======================================================================
226 
============== Function 6 - read the file from ramdisk. ==============
 226 
============== Function 6 - read the file from ramdisk. ==============
227 
======================================================================
 227 
======================================================================
228 
Parameters:
 228 
Parameters:
229 
  * eax = 6 - function number
 229 
  * eax = 6 - function number
230 
  * ebx = pointer to the filename
 230 
  * ebx = pointer to the filename
231 
  * ecx = number of start block, beginning from 1;
 231 
  * ecx = number of start block, beginning from 1;
232 
    ecx=0 - read from the beginning of the file (same as ecx=1)
 232 
    ecx=0 - read from the beginning of the file (same as ecx=1)
233 
  * edx = number of blocks to read;
 233 
  * edx = number of blocks to read;
234 
    edx=0 - read one block (same as edx=1)
 234 
    edx=0 - read one block (same as edx=1)
235 
  * esi = pointer to memory area for the data
 235 
  * esi = pointer to memory area for the data
236 
Returned value:
 236 
Returned value:
237 
  * eax = file size in bytes, if the file was successfully read
 237 
  * eax = file size in bytes, if the file was successfully read
238 
  * eax = -1, if the file was not found
 238 
  * eax = -1, if the file was not found
239 
Remarks:
 239 
Remarks:
240 
  * This function is out-of-date; function 70 allows
 240 
  * This function is out-of-date; function 70 allows
241 
    to fulfil the same operations with the extended possibilities.
 241 
    to fulfil the same operations with the extended possibilities.
242 
  * Block = 512 bytes.
 242 
  * Block = 512 bytes.
243 
  * For reading all file you can specify the certainly large value
 243 
  * 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
 244 
    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
 245 
    the program will "fall", if the file will appear too large and can
246 
    not be placed in the program memory.
 246 
    not be placed in the program memory.
247 
  * The filename must be either in the format 8+3 characters
 247 
  * The filename must be either in the format 8+3 characters
248 
    (first 8 characters - name itself, last 3 - extension,
 248 
    (first 8 characters - name itself, last 3 - extension,
249 
    the short names and extensions are supplemented with spaces),
 249 
    the short names and extensions are supplemented with spaces),
250 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 250 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
251 
    (name no more than 8 characters, dot, extension 3 characters
 251 
    (name no more than 8 characters, dot, extension 3 characters
252 
    supplemented if necessary by spaces).
 252 
    supplemented if necessary by spaces).
253 
    The filename must be written with capital letters. The terminating
 253 
    The filename must be written with capital letters. The terminating
254 
    character with code 0 is not necessary (not ASCIIZ-string).
 254 
    character with code 0 is not necessary (not ASCIIZ-string).
255 
  * This function does not support folders on the ramdisk.
 255 
  * This function does not support folders on the ramdisk.
256 
 
 256 
 
257 
======================================================================
 257 
======================================================================
258 
=============== Function 7 - draw image in the window. ===============
 258 
=============== Function 7 - draw image in the window. ===============
259 
======================================================================
 259 
======================================================================
260 
Paramters:
 260 
Paramters:
261 
  * eax = 7 - function number
 261 
  * eax = 7 - function number
262 
  * ebx = pointer to the image in the format BBGGRRBBGGRR...
 262 
  * ebx = pointer to the image in the format BBGGRRBBGGRR...
263 
  * ecx = [size on axis x]*65536 + [size on axis y]
 263 
  * ecx = [size on axis x]*65536 + [size on axis y]
264 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 264 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
265 
Returned value:
 265 
Returned value:
266 
  * function does not return value
 266 
  * function does not return value
267 
Remarks:
 267 
Remarks:
268 
  * Coordinates of the image are coordinates of the upper left corner
 268 
  * Coordinates of the image are coordinates of the upper left corner
269 
    of the image relative to the window.
 269 
    of the image relative to the window.
270 
  * Size of the image in bytes is 3*xsize*ysize.
 270 
  * Size of the image in bytes is 3*xsize*ysize.
271 
 
 271 
 
272 
======================================================================
 272 
======================================================================
273 
=============== Function 8 - define/delete the button. ===============
 273 
=============== Function 8 - define/delete the button. ===============
274 
======================================================================
 274 
======================================================================
275 
Parameters for button definition:
 275 
Parameters for button definition:
276 
  * eax = 8 - function number
 276 
  * eax = 8 - function number
277 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
 277 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
278 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
 278 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
279 
  * edx = 0xXYnnnnnn, where:
 279 
  * edx = 0xXYnnnnnn, where:
280 
    * nnnnnn = identifier of the button
 280 
    * nnnnnn = identifier of the button
281 
    * high (31st) bit of edx is cleared
 281 
    * high (31st) bit of edx is cleared
282 
    * if 30th bit of edx is set - do not draw the button
 282 
    * 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
 283 
    * if 29th bit of edx is set - do not draw a frame
284 
      at pressing the button
 284 
      at pressing the button
285 
  * esi = 0x00RRGGBB - color of the button
 285 
  * esi = 0x00RRGGBB - color of the button
286 
Parameters for button deleting:
 286 
Parameters for button deleting:
287 
  * eax = 8 - function number
 287 
  * eax = 8 - function number
288 
  * edx = 0x80nnnnnn, where nnnnnn - identifier of the button
 288 
  * edx = 0x80nnnnnn, where nnnnnn - identifier of the button
289 
Returned value:
 289 
Returned value:
290 
  * function does not return value
 290 
  * function does not return value
291 
Remarks:
 291 
Remarks:
292 
  * Sizes of the button must be more than 0 and less than 0x8000.
 292 
  * Sizes of the button must be more than 0 and less than 0x8000.
293 
  * For skinned windows definition of the window
 293 
  * For skinned windows definition of the window
294 
    (call of 0th function) creates two standard buttons -
 294 
    (call of 0th function) creates two standard buttons -
295 
    for close of the window with identifier 1 and
 295 
    for close of the window with identifier 1 and
296 
    for minimize of the window with identifier 0xffff.
 296 
    for minimize of the window with identifier 0xffff.
297 
  * The creation of two buttons with same identifiers is admitted.
 297 
  * The creation of two buttons with same identifiers is admitted.
298 
  * The button with the identifier 0xffff at pressing is interpreted
 298 
  * The button with the identifier 0xffff at pressing is interpreted
299 
    by the system as the button of minimization, the system handles
 299 
    by the system as the button of minimization, the system handles
300 
    such pressing independently, not accessing to the application.
 300 
    such pressing independently, not accessing to the application.
301 
    In rest it is usual button.
 301 
    In rest it is usual button.
302 
  * Total number of buttons for all applications is limited to 4095.
 302 
  * Total number of buttons for all applications is limited to 4095.
303 
 
 303 
 
304 
======================================================================
 304 
======================================================================
305 
============ Function 9 - information on execution thread. ===========
 305 
============ Function 9 - information on execution thread. ===========
306 
======================================================================
 306 
======================================================================
307 
Parameters:
 307 
Parameters:
308 
  * eax = 9 - function number
 308 
  * eax = 9 - function number
309 
  * ebx = pointer to 1-Kb buffer
 309 
  * ebx = pointer to 1-Kb buffer
310 
  * ecx = number of the slot of the thread
 310 
  * ecx = number of the slot of the thread
311 
    ecx = -1 - get information on the current thread
 311 
    ecx = -1 - get information on the current thread
312 
Returned value:
 312 
Returned value:
313 
  * eax = maximum number of the slot of a thread
 313 
  * eax = maximum number of the slot of a thread
314 
  * buffer pointed to by ebx contains the following information:
 314 
  * buffer pointed to by ebx contains the following information:
315 
    * +0: dword: usage of the processor (how many time units
 315 
    * +0: dword: usage of the processor (how many time units
316 
      per second leaves on execution of this thread)
 316 
      per second leaves on execution of this thread)
317 
    * +4: word: position of the window of thread in the window stack
 317 
    * +4: word: position of the window of thread in the window stack
318 
    * +6: word: (has no relation to the specified thread)
 318 
    * +6: word: (has no relation to the specified thread)
319 
      number of the thread slot, which window has in the window stack
 319 
      number of the thread slot, which window has in the window stack
320 
      position ecx
 320 
      position ecx
321 
    * +8: word: reserved
 321 
    * +8: word: reserved
322 
    * +10 = +0xA: 11 bytes: name of the process
 322 
    * +10 = +0xA: 11 bytes: name of the process
323 
      (name of corresponding executable file in the format 8+3)
 323 
      (name of corresponding executable file in the format 8+3)
324 
    * +21 = +0x15: byte: reserved, this byte is not changed
 324 
    * +21 = +0x15: byte: reserved, this byte is not changed
325 
    * +22 = +0x16: dword: address of the process in memory
 325 
    * +22 = +0x16: dword: address of the process in memory
326 
    * +26 = +0x1A: dword: size of used memory - 1
 326 
    * +26 = +0x1A: dword: size of used memory - 1
327 
    * +30 = +0x1E: dword: identifier (PID/TID)
 327 
    * +30 = +0x1E: dword: identifier (PID/TID)
328 
    * +34 = +0x22: dword: coordinate of the thread window on axis x
 328 
    * +34 = +0x22: dword: coordinate of the thread window on axis x
329 
    * +38 = +0x26: dword: coordinate of the thread window on axis y
 329 
    * +38 = +0x26: dword: coordinate of the thread window on axis y
330 
    * +42 = +0x2A: dword: size of the thread window on axis x
 330 
    * +42 = +0x2A: dword: size of the thread window on axis x
331 
    * +46 = +0x2E: dword: size of the thread window on axis y
 331 
    * +46 = +0x2E: dword: size of the thread window on axis y
332 
    * +50 = +0x32: word: status of the thread slot:
 332 
    * +50 = +0x32: word: status of the thread slot:
333 
      * 0 = thread is running
 333 
      * 0 = thread is running
334 
      * 1 = thread is suspended
 334 
      * 1 = thread is suspended
335 
      * 2 = thread is suspended while waiting for event
 335 
      * 2 = thread is suspended while waiting for event
336 
      * 3 = thread is terminating as a result of call to function -1
 336 
      * 3 = thread is terminating as a result of call to function -1
337 
        or under duress as a result of call to subfunction 2
 337 
        or under duress as a result of call to subfunction 2
338 
        of function 18 or termination of the system
 338 
        of function 18 or termination of the system
339 
      * 4 = thread is terminating as a result of exception
 339 
      * 4 = thread is terminating as a result of exception
340 
      * 5 = thread waits for event
 340 
      * 5 = thread waits for event
341 
      * 9 = requested slot is free, all other information on the slot
 341 
      * 9 = requested slot is free, all other information on the slot
342 
        is not meaningful
 342 
        is not meaningful
343 
    * +52 = +0x34: word: reserved, this word is not changed
 343 
    * +52 = +0x34: word: reserved, this word is not changed
344 
    * +54 = +0x36: dword: coordinate of the client area on axis x
 344 
    * +54 = +0x36: dword: coordinate of the client area on axis x
345 
    * +58 = +0x3A: dword: coordinate of the client area on axis y
 345 
    * +58 = +0x3A: dword: coordinate of the client area on axis y
346 
    * +62 = +0x3E: dword: width of the client area
 346 
    * +62 = +0x3E: dword: width of the client area
347 
    * +66 = +0x42: dword: height of the client area
 347 
    * +66 = +0x42: dword: height of the client area
348 
    * +70 = +0x46: byte: state of the window - bitfield
 348 
    * +70 = +0x46: byte: state of the window - bitfield
349 
      * bit 0 (mask 1): window is maximized
 349 
      * bit 0 (mask 1): window is maximized
350 
      * bit 1 (mask 2): window is minimized to panel
 350 
      * bit 1 (mask 2): window is minimized to panel
351 
      * bit 2 (mask 4): window is rolled up
 351 
      * bit 2 (mask 4): window is rolled up
352 
Remarks:
 352 
Remarks:
353 
  * Slots are numbered starting from 1.
 353 
  * Slots are numbered starting from 1.
354 
  * Returned value is not a total number of threads, because there
 354 
  * Returned value is not a total number of threads, because there
355 
    can be free slots.
 355 
    can be free slots.
356 
  * When process is starting, system automatically creates
 356 
  * When process is starting, system automatically creates
357 
    execution thread.
 357 
    execution thread.
358 
  * Function gives information on the thread. Each process has
 358 
  * Function gives information on the thread. Each process has
359 
    at least one thread. One process can create many threads,
 359 
    at least one thread. One process can create many threads,
360 
    in this case each thread has its own slot and the fields
 360 
    in this case each thread has its own slot and the fields
361 
    +10, +22, +26 in these slots coincide.
 361 
    +10, +22, +26 in these slots coincide.
362 
    Applications have no common way to define whether two threads
 362 
    Applications have no common way to define whether two threads
363 
    belong to one process.
 363 
    belong to one process.
364 
  * The active window - window on top of the window stack -
 364 
  * The active window - window on top of the window stack -
365 
    receives the messages on a keyboard input. For such window
 365 
    receives the messages on a keyboard input. For such window
366 
    the position in the window stack coincides with returned value.
 366 
    the position in the window stack coincides with returned value.
367 
  * Slot 1 corresponds to special system thread, for which:
 367 
  * Slot 1 corresponds to special system thread, for which:
368 
    * the window is in the bottom of the window stack, the fields
 368 
    * the window is in the bottom of the window stack, the fields
369 
      +4 and +6 contain value 1
 369 
      +4 and +6 contain value 1
370 
    * name of the process - "OS/IDLE" (supplemented by spaces)
 370 
    * name of the process - "OS/IDLE" (supplemented by spaces)
371 
    * address of the process in memory is 0, size of used memory is
 371 
    * address of the process in memory is 0, size of used memory is
372 
      16 Mb (0x1000000)
 372 
      16 Mb (0x1000000)
373 
    * PID=1
 373 
    * PID=1
374 
    * coordinates and sizes of the window and the client area are by
 374 
    * coordinates and sizes of the window and the client area are by
375 
      convention set to 0
 375 
      convention set to 0
376 
    * status of the slot is always 0 (running)
 376 
    * status of the slot is always 0 (running)
377 
    * the execution time adds of time leaving on operations itself
 377 
    * the execution time adds of time leaving on operations itself
378 
      and idle time in waiting for interrupt (which can be got by call
 378 
      and idle time in waiting for interrupt (which can be got by call
379 
      to subfunction 4 of function 18).
 379 
      to subfunction 4 of function 18).
380 
  * Beginning from slot 2, the normal applications are placed.
 380 
  * Beginning from slot 2, the normal applications are placed.
381 
  * The normal applications are placed in memory at the address
 381 
  * The normal applications are placed in memory at the address
382 
    0x60400000 (kernel constant 'std_application_base_address').
 382 
    0x60400000 (kernel constant 'std_application_base_address').
383 
    There is no intersection, as each process has its own page table.
 383 
    There is no intersection, as each process has its own page table.
384 
  * At creation of the thread it is assigned the slot
 384 
  * At creation of the thread it is assigned the slot
385 
    in the system table and identifier (Process/Thread IDentifier =
 385 
    in the system table and identifier (Process/Thread IDentifier =
386 
    PID/TID), which do not vary with time for given thread.
 386 
    PID/TID), which do not vary with time for given thread.
387 
    After completion of the thread its slot can be anew used
 387 
    After completion of the thread its slot can be anew used
388 
    for another thread. The thread identifier can not be assigned
 388 
    for another thread. The thread identifier can not be assigned
389 
    to other thread even after completion of this thread.
 389 
    to other thread even after completion of this thread.
390 
    Identifiers, assigned to new threads, grow monotonously.
 390 
    Identifiers, assigned to new threads, grow monotonously.
391 
  * If the thread has not yet defined the window by call to
 391 
  * If the thread has not yet defined the window by call to
392 
    function 0, the position and the sizes
 392 
    function 0, the position and the sizes
393 
    of its window are considered to be zero.
 393 
    of its window are considered to be zero.
394 
  * Coordinates of the client area are relative to the window.
 394 
  * Coordinates of the client area are relative to the window.
395 
  * At the moment only the part of the buffer by a size
 395 
  * At the moment only the part of the buffer by a size
396 
    71 = 0x37 bytes is used. Nevertheless it is recommended to use
 396 
    71 = 0x37 bytes is used. Nevertheless it is recommended to use
397 
    1-Kb buffer for the future compatibility, in the future
 397 
    1-Kb buffer for the future compatibility, in the future
398 
    some fields can be added.
 398 
    some fields can be added.
399 
 
 399 
 
400 
======================================================================
 400 
======================================================================
401 
==================== Function 10 - wait for event. ===================
 401 
==================== Function 10 - wait for event. ===================
402 
======================================================================
 402 
======================================================================
403 
If the message queue is empty, waits for appearance of the message
 403 
If the message queue is empty, waits for appearance of the message
404 
in queue. In this state thread does not consume CPU time.
 404 
in queue. In this state thread does not consume CPU time.
405 
Then reads out the message from queue.
 405 
Then reads out the message from queue.
406 
 
 406 
 
407 
Parameters:
 407 
Parameters:
408 
  * eax = 10 - function number
 408 
  * eax = 10 - function number
409 
Returned value:
 409 
Returned value:
410 
  * eax = event (see the list of events)
 410 
  * eax = event (see the list of events)
411 
Remarks:
 411 
Remarks:
412 
  * Those events are taken into account only which enter into
 412 
  * Those events are taken into account only which enter into
413 
    a mask set by function 40. By default it is
 413 
    a mask set by function 40. By default it is
414 
    redraw, key and button events.
 414 
    redraw, key and button events.
415 
  * To check, whether there is a message in queue, use function 11.
 415 
  * To check, whether there is a message in queue, use function 11.
416 
    To wait for no more than given time, use function 23.
 416 
    To wait for no more than given time, use function 23.
417 
 
 417 
 
418 
======================================================================
 418 
======================================================================
419 
=============== Function 11 - check for event, no wait. ==============
 419 
=============== Function 11 - check for event, no wait. ==============
420 
======================================================================
 420 
======================================================================
421 
If the message queue contains event, function reads out
 421 
If the message queue contains event, function reads out
422 
and return it. If the queue is empty, function returns 0.
 422 
and return it. If the queue is empty, function returns 0.
423 
Parameters:
 423 
Parameters:
424 
  * eax = 11 - function number
 424 
  * eax = 11 - function number
425 
Returned value:
 425 
Returned value:
426 
  * eax = 0 - message queue is empty
 426 
  * eax = 0 - message queue is empty
427 
  * else eax = event (see the list of events)
 427 
  * else eax = event (see the list of events)
428 
Remarks:
 428 
Remarks:
429 
  * Those events are taken into account only, which enter into
 429 
  * Those events are taken into account only, which enter into
430 
    a mask set by function 40. By default it is
 430 
    a mask set by function 40. By default it is
431 
    redraw, key and button events.
 431 
    redraw, key and button events.
432 
  * To wait for event, use function 10.
 432 
  * To wait for event, use function 10.
433 
    To wait for no more than given time, use function 23.
 433 
    To wait for no more than given time, use function 23.
434 
 
 434 
 
435 
======================================================================
 435 
======================================================================
436 
=============== Function 12 - begin/end window redraw. ===============
 436 
=============== Function 12 - begin/end window redraw. ===============
437 
======================================================================
 437 
======================================================================
438 
 
 438 
 
439 
---------------- Subfunction 1 - begin window redraw. ----------------
 439 
---------------- Subfunction 1 - begin window redraw. ----------------
440 
Parameters:
 440 
Parameters:
441 
  * eax = 12 - function number
 441 
  * eax = 12 - function number
442 
  * ebx = 1 - subfunction number
 442 
  * ebx = 1 - subfunction number
443 
Returned value:
 443 
Returned value:
444 
  * function does not return value
 444 
  * function does not return value
445 
 
 445 
 
446 
----------------- Subfunction 2 - end window redraw. -----------------
 446 
----------------- Subfunction 2 - end window redraw. -----------------
447 
Parameters:
 447 
Parameters:
448 
  * eax = 12 - function number
 448 
  * eax = 12 - function number
449 
  * ebx = 2 - subfunction number
 449 
  * ebx = 2 - subfunction number
450 
Returned value:
 450 
Returned value:
451 
  * function does not return value
 451 
  * function does not return value
452 
Remarks:
 452 
Remarks:
453 
  * Subfunction 1 deletes all buttons defined with
 453 
  * Subfunction 1 deletes all buttons defined with
454 
    function 8, they must be defined again.
 454 
    function 8, they must be defined again.
455 
 
 455 
 
456 
======================================================================
 456 
======================================================================
457 
============ Function 13 - draw a rectangle in the window. ===========
 457 
============ Function 13 - draw a rectangle in the window. ===========
458 
======================================================================
 458 
======================================================================
459 
Parameters:
 459 
Parameters:
460 
  * eax = 13 - function number
 460 
  * eax = 13 - function number
461 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
 461 
  * ebx = [coordinate on axis x]*65536 + [size on axis x]
462 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
 462 
  * ecx = [coordinate on axis y]*65536 + [size on axis y]
463 
  * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill
 463 
  * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill
464 
Returned value:
 464 
Returned value:
465 
  * function does not return value
 465 
  * function does not return value
466 
Remarks:
 466 
Remarks:
467 
  * Coordinates are understood as coordinates of the left upper corner
 467 
  * Coordinates are understood as coordinates of the left upper corner
468 
    of a rectangle relative to the window.
 468 
    of a rectangle relative to the window.
469 
 
 469 
 
470 
======================================================================
 470 
======================================================================
471 
=================== Function 14 - get screen size. ===================
 471 
=================== Function 14 - get screen size. ===================
472 
======================================================================
 472 
======================================================================
473 
Parameters:
 473 
Parameters:
474 
  * eax = 14 - function number
 474 
  * eax = 14 - function number
475 
Returned value:
 475 
Returned value:
476 
  * eax = [xsize]*65536 + [ysize], where
 476 
  * eax = [xsize]*65536 + [ysize], where
477 
  * xsize = x-coordinate of the right lower corner of the screen =
 477 
  * xsize = x-coordinate of the right lower corner of the screen =
478 
            horizontal size - 1
 478 
            horizontal size - 1
479 
  * ysize = y-coordinate of the right lower corner of the screen =
 479 
  * ysize = y-coordinate of the right lower corner of the screen =
480 
            vertical size - 1
 480 
            vertical size - 1
481 
Remarks:
 481 
Remarks:
482 
  * See also subfunction 5 of function 48 - get sizes of
 482 
  * See also subfunction 5 of function 48 - get sizes of
483 
    working area of the screen.
 483 
    working area of the screen.
484 
 
 484 
 
485 
======================================================================
 485 
======================================================================
486 
== Function 15, subfunction 1 - set a size of the background image. ==
 486 
== Function 15, subfunction 1 - set a size of the background image. ==
487 
======================================================================
 487 
======================================================================
488 
Parameters:
 488 
Parameters:
489 
  * eax = 15 - function number
 489 
  * eax = 15 - function number
490 
  * ebx = 1 - subfunction number
 490 
  * ebx = 1 - subfunction number
491 
  * ecx = width of the image
 491 
  * ecx = width of the image
492 
  * edx = height of the image
 492 
  * edx = height of the image
493 
Returned value:
 493 
Returned value:
494 
  * function does not return value
 494 
  * function does not return value
495 
Remarks:
 495 
Remarks:
496 
  * There is no checks for correctness. The setting of too large
 496 
  * There is no checks for correctness. The setting of too large
497 
    values will result that the background will contain data abroad
 497 
    values will result that the background will contain data abroad
498 
    of buffer for the background image. Buffer size = 0x160000-0x10,
 498 
    of buffer for the background image. Buffer size = 0x160000-0x10,
499 
    that corresponds to maximum size 800*600. (800*600*3=0x15F900)
 499 
    that corresponds to maximum size 800*600. (800*600*3=0x15F900)
500 
  * For update of the screen (after completion of a series of commands
 500 
  * For update of the screen (after completion of a series of commands
501 
    working with a background) call subfunction 3.
 501 
    working with a background) call subfunction 3.
502 
  * There is a pair function for get size of the background image -
 502 
  * There is a pair function for get size of the background image -
503 
    subfunction 1 of function 39.
 503 
    subfunction 1 of function 39.
504 
 
 504 
 
505 
======================================================================
 505 
======================================================================
506 
=== Function 15, subfunction 2 - put pixel on the background image. ==
 506 
=== Function 15, subfunction 2 - put pixel on the background image. ==
507 
======================================================================
 507 
======================================================================
508 
Parameters:
 508 
Parameters:
509 
  * eax = 15 - function number
 509 
  * eax = 15 - function number
510 
  * ebx = 2 - subfunction number
 510 
  * ebx = 2 - subfunction number
511 
  * ecx = offset
 511 
  * ecx = offset
512 
  * edx = color of a pixel 0xRRGGBB
 512 
  * edx = color of a pixel 0xRRGGBB
513 
Returned value:
 513 
Returned value:
514 
  * function does not return value
 514 
  * function does not return value
515 
Remarks:
 515 
Remarks:
516 
  * Offset for a pixel with coordinates (x,y) is calculated as
 516 
  * Offset for a pixel with coordinates (x,y) is calculated as
517 
    (x+y*xsize)*3.
 517 
    (x+y*xsize)*3.
518 
  * If the given offset exceeds 0x160000-16 = 1.375 Mb - 16 bytes,
 518 
  * If the given offset exceeds 0x160000-16 = 1.375 Mb - 16 bytes,
519 
    the call is ignored.
 519 
    the call is ignored.
520 
  * For update of the screen (after completion of a series of commands
 520 
  * For update of the screen (after completion of a series of commands
521 
    working with a background) call subfunction 3.
 521 
    working with a background) call subfunction 3.
522 
  * There is a pair function for get pixel on the background image -
 522 
  * There is a pair function for get pixel on the background image -
523 
    subfunction 2 of function 39.
 523 
    subfunction 2 of function 39.
524 
 
 524 
 
525 
======================================================================
 525 
======================================================================
526 
=========== Function 15, subfunction 3 - redraw background. ==========
 526 
=========== Function 15, subfunction 3 - redraw background. ==========
527 
======================================================================
 527 
======================================================================
528 
Parameters:
 528 
Parameters:
529 
  * eax = 15 - function number
 529 
  * eax = 15 - function number
530 
  * ebx = 3 - subfunction number
 530 
  * ebx = 3 - subfunction number
531 
Returned value:
 531 
Returned value:
532 
  * function does not return value
 532 
  * function does not return value
533 
 
 533 
 
534 
======================================================================
 534 
======================================================================
535 
== Function 15, subfunction 4 - set drawing mode for the background. =
 535 
== Function 15, subfunction 4 - set drawing mode for the background. =
536 
======================================================================
 536 
======================================================================
537 
Parameters:
 537 
Parameters:
538 
  * eax = 15 - function number
 538 
  * eax = 15 - function number
539 
  * ebx = 4 - subfunction number
 539 
  * ebx = 4 - subfunction number
540 
  * ecx = drawing mode:
 540 
  * ecx = drawing mode:
541 
    * 1 = tile
 541 
    * 1 = tile
542 
    * 2 = stretch
 542 
    * 2 = stretch
543 
Returned value:
 543 
Returned value:
544 
  * function does not return value
 544 
  * function does not return value
545 
Remarks:
 545 
Remarks:
546 
  * For update of the screen (after completion of a series of commands
 546 
  * For update of the screen (after completion of a series of commands
547 
    working with a background) call subfunction 3.
 547 
    working with a background) call subfunction 3.
548 
  * There is a pair function for get drawing mode of the background -
 548 
  * There is a pair function for get drawing mode of the background -
549 
    subfunction 4 of function 39.
 549 
    subfunction 4 of function 39.
550 
 
 550 
 
551 
======================================================================
 551 
======================================================================
552 
===================== Function 15, subfunction 5 =====================
 552 
===================== Function 15, subfunction 5 =====================
553 
============ Put block of pixels on the background image. ============
 553 
============ Put block of pixels on the background image. ============
554 
======================================================================
 554 
======================================================================
555 
Parameters:
 555 
Parameters:
556 
  * eax = 15 - function number
 556 
  * eax = 15 - function number
557 
  * ebx = 5 - subfunction number
 557 
  * ebx = 5 - subfunction number
558 
  * ecx = pointer to the data in the format BBGGRRBBGGRR...
 558 
  * ecx = pointer to the data in the format BBGGRRBBGGRR...
559 
  * edx = offset in data of the background image
 559 
  * edx = offset in data of the background image
560 
  * esi = size of data in bytes = 3 * number of pixels
 560 
  * esi = size of data in bytes = 3 * number of pixels
561 
Returned value:
 561 
Returned value:
562 
  * function does not return value
 562 
  * function does not return value
563 
Remarks:
 563 
Remarks:
564 
  * If the block gets out abroad 0x160000-16 = 1.375 Mb - 16 bytes,
 564 
  * If the block gets out abroad 0x160000-16 = 1.375 Mb - 16 bytes,
565 
    the call is ignored.
 565 
    the call is ignored.
566 
  * Color of each pixel is stored as 3-bytes value BBGGRR.
 566 
  * Color of each pixel is stored as 3-bytes value BBGGRR.
567 
  * Pixels of the background image are written sequentially
 567 
  * Pixels of the background image are written sequentially
568 
    from left to right, from up to down.
 568 
    from left to right, from up to down.
569 
  * Offset of pixel with coordinates (x,y) is (x+y*xsize)*3.
 569 
  * Offset of pixel with coordinates (x,y) is (x+y*xsize)*3.
570 
  * For update of the screen (after completion of a series of commands
 570 
  * For update of the screen (after completion of a series of commands
571 
    working with a background) call subfunction 3.
 571 
    working with a background) call subfunction 3.
572 
 
 572 
 
573 
======================================================================
 573 
======================================================================
574 
=============== Function 16 - save ramdisk on a floppy. ==============
 574 
=============== Function 16 - save ramdisk on a floppy. ==============
575 
======================================================================
 575 
======================================================================
576 
Parameters:
 576 
Parameters:
577 
  * eax = 16 - function number
 577 
  * eax = 16 - function number
578 
  * ebx = 1 or ebx = 2 - on which floppy save
 578 
  * ebx = 1 or ebx = 2 - on which floppy save
579 
Returned value:
 579 
Returned value:
580 
  * eax = 0 - success
 580 
  * eax = 0 - success
581 
  * eax = 1 - error
 581 
  * eax = 1 - error
582 
 
 582 
 
583 
======================================================================
 583 
======================================================================
584 
======= Function 17 - get the identifier of the pressed button. ======
 584 
======= Function 17 - get the identifier of the pressed button. ======
585 
======================================================================
 585 
======================================================================
586 
Takes away the code of the pressed button from the buffer.
 586 
Takes away the code of the pressed button from the buffer.
587 
Parameters:
 587 
Parameters:
588 
  * eax = 17 - function number
 588 
  * eax = 17 - function number
589 
Returned value:
 589 
Returned value:
590 
  * if the buffer is empty, function returns eax=1
 590 
  * if the buffer is empty, function returns eax=1
591 
  * if the buffer is not empty, function returns al=0,
 591 
  * if the buffer is not empty, function returns al=0,
592 
    high 24 bits of eax contain button identifier (in particular, ah
 592 
    high 24 bits of eax contain button identifier (in particular, ah
593 
    contains low byte of the identifier; if all buttons have
 593 
    contains low byte of the identifier; if all buttons have
594 
    the identifier less than 256, ah is enough to distinguish).
 594 
    the identifier less than 256, ah is enough to distinguish).
595 
Remarks:
 595 
Remarks:
596 
  * "Buffer" keeps only one button, at pressing the new button the
 596 
  * "Buffer" keeps only one button, at pressing the new button the
597 
    information about old is lost.
 597 
    information about old is lost.
598 
  * The call of this function by an application with inactive window
 598 
  * The call of this function by an application with inactive window
599 
    will return answer "buffer is empty".
 599 
    will return answer "buffer is empty".
600 
 
 600 
 
601 
======================================================================
 601 
======================================================================
602 
============ Function 18, subfunction 1 - system shutdown. ===========
 602 
============ Function 18, subfunction 1 - system shutdown. ===========
603 
======================================================================
 603 
======================================================================
604 
Parameters:
 604 
Parameters:
605 
  * eax = 18 - function number
 605 
  * eax = 18 - function number
606 
  * ebx = 1 - subfunction number
 606 
  * ebx = 1 - subfunction number
607 
Returned value:
 607 
Returned value:
608 
  * function always return eax = 0 as tag of success
 608 
  * function always return eax = 0 as tag of success
609 
Remarks:
 609 
Remarks:
610 
  * On the last step menu of exit from the system appears and waits
 610 
  * On the last step menu of exit from the system appears and waits
611 
    response of the user.
 611 
    response of the user.
612 
  * See also subfunction 9, system shutdown with
 612 
  * See also subfunction 9, system shutdown with
613 
    the parameter to force the choice in the exit menu.
 613 
    the parameter to force the choice in the exit menu.
614 
 
 614 
 
615 
======================================================================
 615 
======================================================================
616 
= Function 18, subfunction 2 - terminate process/thread by the slot. =
 616 
= Function 18, subfunction 2 - terminate process/thread by the slot. =
617 
======================================================================
 617 
======================================================================
618 
Parameters:
 618 
Parameters:
619 
  * eax = 18 - function number
 619 
  * eax = 18 - function number
620 
  * ebx = 2 - subfunction number
 620 
  * ebx = 2 - subfunction number
621 
  * ecx = number of the slot of process/thread
 621 
  * ecx = number of the slot of process/thread
622 
Returned value:
 622 
Returned value:
623 
  * function does not return value
 623 
  * function does not return value
624 
Remarks:
 624 
Remarks:
625 
  * It is impossible to terminate system thread OS/IDLE (with
 625 
  * It is impossible to terminate system thread OS/IDLE (with
626 
    number of the slot 1),
 626 
    number of the slot 1),
627 
    it is possible to terminate any normal process/thread.
 627 
    it is possible to terminate any normal process/thread.
628 
  * See also subfunction 18 - terminate
 628 
  * See also subfunction 18 - terminate
629 
    process/thread by the identifier.
 629 
    process/thread by the identifier.
630 
 
 630 
 
631 
======================================================================
 631 
======================================================================
632 
===================== Function 18, subfunction 3 =====================
 632 
===================== Function 18, subfunction 3 =====================
633 
============= Make active the window of the given thread. ============
 633 
============= Make active the window of the given thread. ============
634 
======================================================================
 634 
======================================================================
635 
Parameters:
 635 
Parameters:
636 
  * eax = 18 - function number
 636 
  * eax = 18 - function number
637 
  * ebx = 3 - subfunction number
 637 
  * ebx = 3 - subfunction number
638 
  * ecx = number of the thread slot
 638 
  * ecx = number of the thread slot
639 
Returned value:
 639 
Returned value:
640 
  * function does not return value
 640 
  * function does not return value
641 
Remarks:
 641 
Remarks:
642 
  * If correct, but nonexistent slot is given,
 642 
  * If correct, but nonexistent slot is given,
643 
    some window is made active.
 643 
    some window is made active.
644 
  * To find out, which window is active, use subfunction 7.
 644 
  * To find out, which window is active, use subfunction 7.
645 
 
 645 
 
646 
======================================================================
 646 
======================================================================
647 
===================== Function 18, subfunction 4 =====================
 647 
===================== Function 18, subfunction 4 =====================
648 
=========== Get counter of idle time units per one second. ===========
 648 
=========== Get counter of idle time units per one second. ===========
649 
======================================================================
 649 
======================================================================
650 
Idle time units are units, in which the processor stands idle
 650 
Idle time units are units, in which the processor stands idle
651 
in waiting for interrupt (in the command 'hlt').
 651 
in waiting for interrupt (in the command 'hlt').
652 
 
 652 
 
653 
Parameters:
 653 
Parameters:
654 
  * eax = 18 - function number
 654 
  * eax = 18 - function number
655 
  * ebx = 4 - subfunction number
 655 
  * ebx = 4 - subfunction number
656 
Returned value:
 656 
Returned value:
657 
  * eax = value of the counter of idle time units per one second
 657 
  * eax = value of the counter of idle time units per one second
658 
 
 658 
 
659 
======================================================================
 659 
======================================================================
660 
========== Function 18, subfunction 5 - get CPU clock rate. ==========
 660 
========== Function 18, subfunction 5 - get CPU clock rate. ==========
661 
======================================================================
 661 
======================================================================
662 
Parameters:
 662 
Parameters:
663 
  * eax = 18 - function number
 663 
  * eax = 18 - function number
664 
  * ebx = 5 - subfunction number
 664 
  * ebx = 5 - subfunction number
665 
Returned value:
 665 
Returned value:
666 
  * eax = clock rate (modulo 2^32 clock ticks = 4GHz)
 666 
  * eax = clock rate (modulo 2^32 clock ticks = 4GHz)
667 
 
 667 
 
668 
======================================================================
 668 
======================================================================
669 
 Function 18, subfunction 6 - save ramdisk to the file on hard drive.
669 
 Function 18, subfunction 6 - save ramdisk to the file on hard drive.
670 
======================================================================
 670 
======================================================================
671 
Parameters:
 671 
Parameters:
672 
  * eax = 18 - function number
 672 
  * eax = 18 - function number
673 
  * ebx = 6 - subfunction number
 673 
  * ebx = 6 - subfunction number
674 
  * ecx defines path to the file:
 674 
  * ecx defines path to the file:
675 
    * 1 = in the folder "/KOLIBRI"
 675 
    * 1 = in the folder "/KOLIBRI"
676 
    * 2 = in the root folder
 676 
    * 2 = in the root folder
677 
    * 3 = edx points to the path (names of folders in the format 8+3,
 677 
    * 3 = edx points to the path (names of folders in the format 8+3,
678 
      divided by '/')
 678 
      divided by '/')
679 
Returned value:
 679 
Returned value:
680 
  * eax = 0 - success
 680 
  * eax = 0 - success
681 
  * else eax = error code of the file system
 681 
  * else eax = error code of the file system
682 
Çàìå÷àíèÿ:
 682 
Çàìå÷àíèÿ:
683 
  * Filename is fixed, "kolibri.img" (global kernel variable
 683 
  * Filename is fixed, "kolibri.img" (global kernel variable
684 
    'image_save' from 'preboot.inc')
 684 
    'image_save' from 'preboot.inc')
685 
  * Drive and partition are defined by subfunction 7
 685 
  * Drive and partition are defined by subfunction 7
686 
    and subfunction 8 of function 21.
 686 
    and subfunction 8 of function 21.
687 
  * All folders in the given path must exist, otherwise function
 687 
  * All folders in the given path must exist, otherwise function
688 
    returns value 5, "file not found".
 688 
    returns value 5, "file not found".
689 
 
 689 
 
690 
======================================================================
 690 
======================================================================
691 
=========== Function 18, subfunction 7 - get active window. ==========
 691 
=========== Function 18, subfunction 7 - get active window. ==========
692 
======================================================================
 692 
======================================================================
693 
Parameters:
 693 
Parameters:
694 
  * eax = 18 - function number
 694 
  * eax = 18 - function number
695 
  * ebx = 7 - subfunction number
 695 
  * ebx = 7 - subfunction number
696 
Returned value:
 696 
Returned value:
697 
  * eax = number of the active window
 697 
  * eax = number of the active window
698 
    (number of the slot of the thread with active window)
 698 
    (number of the slot of the thread with active window)
699 
Remarks:
 699 
Remarks:
700 
  * Active window is at the top of the window stack and receives
 700 
  * Active window is at the top of the window stack and receives
701 
    messages on all keyboard input.
 701 
    messages on all keyboard input.
702 
  * To make a window active, use subfunction 3.
 702 
  * To make a window active, use subfunction 3.
703 
 
 703 
 
704 
======================================================================
 704 
======================================================================
705 
== Function 18, subfunction 8 - disable/enable the internal speaker. =
 705 
== Function 18, subfunction 8 - disable/enable the internal speaker. =
706 
======================================================================
 706 
======================================================================
707 
If speaker sound is disabled, all calls to subfunction 55 of
 707 
If speaker sound is disabled, all calls to subfunction 55 of
708 
function 55 are ignored. If speaker sound is enabled,
 708 
function 55 are ignored. If speaker sound is enabled,
709 
they are routed on builtin speaker.
 709 
they are routed on builtin speaker.
710 
 
 710 
 
711 
------------------- Subsubfunction 1 - get status. -------------------
 711 
------------------- Subsubfunction 1 - get status. -------------------
712 
Parameters:
 712 
Parameters:
713 
  * eax = 18 - function number
 713 
  * eax = 18 - function number
714 
  * ebx = 8 - subfunction number
 714 
  * ebx = 8 - subfunction number
715 
  * ecx = 1 - number of the subsubfunction
 715 
  * ecx = 1 - number of the subsubfunction
716 
Returned value:
 716 
Returned value:
717 
  * eax = 0 - speaker sound is enabled; 1 - disabled
 717 
  * eax = 0 - speaker sound is enabled; 1 - disabled
718 
 
 718 
 
719 
----------------- Subsubfunction 2 - toggle status. ------------------
 719 
----------------- Subsubfunction 2 - toggle status. ------------------
720 
Toggles states of disable/enable.
 720 
Toggles states of disable/enable.
721 
Parameters:
 721 
Parameters:
722 
  * eax = 18 - function number
 722 
  * eax = 18 - function number
723 
  * ebx = 8 - subfunction number
 723 
  * ebx = 8 - subfunction number
724 
  * ecx = 2 - number of the subsubfunction
 724 
  * ecx = 2 - number of the subsubfunction
725 
Returned value:
 725 
Returned value:
726 
  * function does not return value
 726 
  * function does not return value
727 
 
 727 
 
728 
======================================================================
 728 
======================================================================
729 
== Function 18, subfunction 9 - system shutdown with the parameter. ==
 729 
== Function 18, subfunction 9 - system shutdown with the parameter. ==
730 
======================================================================
 730 
======================================================================
731 
Parameters:
 731 
Parameters:
732 
  * eax = 18 - function number
 732 
  * eax = 18 - function number
733 
  * ebx = 9 - subfunction number
 733 
  * ebx = 9 - subfunction number
734 
  * ecx = parameter:
 734 
  * ecx = parameter:
735 
    * 1 = on the last step of shutdown save ramdisk on a floppy and
 735 
    * 1 = on the last step of shutdown save ramdisk on a floppy and
736 
      then show the exit menu and request further operations
 736 
      then show the exit menu and request further operations
737 
      from the user
 737 
      from the user
738 
    * 2 = turn off computer
 738 
    * 2 = turn off computer
739 
    * 3 = reboot computer
 739 
    * 3 = reboot computer
740 
    * 4 = restart the kernel from the file 'kernel.mnt' on ramdisk
 740 
    * 4 = restart the kernel from the file 'kernel.mnt' on ramdisk
741 
Returned value:
 741 
Returned value:
742 
  * at incorrect ecx the registers do not change (i.e. eax=18)
 742 
  * at incorrect ecx the registers do not change (i.e. eax=18)
743 
  * by correct call function always returns eax=0
 743 
  * by correct call function always returns eax=0
744 
    as the tag of success
 744 
    as the tag of success
745 
Remarks:
 745 
Remarks:
746 
  * Do not rely on returned value by incorrect call, it can be
 746 
  * Do not rely on returned value by incorrect call, it can be
747 
    changed in future versions of the kernel.
 747 
    changed in future versions of the kernel.
748 
  * It is possible to use subfunction 1, that on the last step
 748 
  * It is possible to use subfunction 1, that on the last step
749 
    the user makes choice himself.
 749 
    the user makes choice himself.
750 
  * It is not recommended to use value ecx=1 (to not irritate the user
 750 
  * It is not recommended to use value ecx=1 (to not irritate the user
751 
    with excessive questions); to save ramdisk on a floppy use
 751 
    with excessive questions); to save ramdisk on a floppy use
752 
    function 16 (which admits specification, on which floppy to
 752 
    function 16 (which admits specification, on which floppy to
753 
    write), and to shutdown with the exit menu use already mentioned
 753 
    write), and to shutdown with the exit menu use already mentioned
754 
    subfunction 1.
 754 
    subfunction 1.
755 
 
 755 
 
756 
======================================================================
 756 
======================================================================
757 
===== Function 18, subfunction 10 - minimize application window. =====
 757 
===== Function 18, subfunction 10 - minimize application window. =====
758 
======================================================================
 758 
======================================================================
759 
Minimizes the own window.
 759 
Minimizes the own window.
760 
Parameters:
 760 
Parameters:
761 
  * eax = 18 - function number
 761 
  * eax = 18 - function number
762 
  * ebx = 10 - subfunction number
 762 
  * ebx = 10 - subfunction number
763 
Returned value:
 763 
Returned value:
764 
  * function does not return value
 764 
  * function does not return value
765 
Remarks:
 765 
Remarks:
766 
  * The minimized window from the point of view of function 9
 766 
  * The minimized window from the point of view of function 9
767 
    keeps position and sizes.
 767 
    keeps position and sizes.
768 
  * Restoring of an application window occurs at its activation by
768 
  * Restoring of an application window occurs at its activation by
769 
    subfunction 3.
 769 
    subfunction 3.
770 
  * Usually there is no necessity to minimize/restire a window
 770 
  * Usually there is no necessity to minimize/restire a window
771 
    obviously: minimization of a window is carried out by the system
 771 
    obviously: minimization of a window is carried out by the system
772 
    at pressing the minimization button (for skinned windows
 772 
    at pressing the minimization button (for skinned windows
773 
    it is defined automatically by function 0,
 773 
    it is defined automatically by function 0,
774 
    for other windows it can be defined manually by function 8),
 774 
    for other windows it can be defined manually by function 8),
775 
    restore of a window is done by the application '@panel'.
 775 
    restore of a window is done by the application '@panel'.
776 
 
 776 
 
777 
======================================================================
 777 
======================================================================
778 
 Function 18, subfunction 11 - get information on the disk subsystem.
778 
 Function 18, subfunction 11 - get information on the disk subsystem.
779 
======================================================================
 779 
======================================================================
780 
Parameters:
 780 
Parameters:
781 
  * eax = 18 - function number
 781 
  * eax = 18 - function number
782 
  * ebx = 11 - subfunction number
 782 
  * ebx = 11 - subfunction number
783 
  * ecx = type of the table:
 783 
  * ecx = type of the table:
784 
    * 1 = short version, 10 bytes
 784 
    * 1 = short version, 10 bytes
785 
    * 2 = full version, 65536 bytes
 785 
    * 2 = full version, 65536 bytes
786 
  * edx = pointer to the buffer (in the application) for the table
 786 
  * edx = pointer to the buffer (in the application) for the table
787 
Returned value:
 787 
Returned value:
788 
  * function does not return value
 788 
  * function does not return value
789 
Format of the table: short version:
 789 
Format of the table: short version:
790 
  * +0: byte: information about FDD's (drives for floppies),
 790 
  * +0: byte: information about FDD's (drives for floppies),
791 
    AAAABBBB, where AAAA gives type of the first drive, BBBB -
 791 
    AAAABBBB, where AAAA gives type of the first drive, BBBB -
792 
    of the second regarding to the following list:
 792 
    of the second regarding to the following list:
793 
    * 0 = there is no drive
 793 
    * 0 = there is no drive
794 
    * 1 = 360Kb, 5.25''
 794 
    * 1 = 360Kb, 5.25''
795 
    * 2 = 1.2Mb, 5.25''
 795 
    * 2 = 1.2Mb, 5.25''
796 
    * 3 = 720Kb, 3.5''
 796 
    * 3 = 720Kb, 3.5''
797 
    * 4 = 1.44Mb, 3.5''
 797 
    * 4 = 1.44Mb, 3.5''
798 
    * 5 = 2.88Mb, 3.5'' (such drives are not used anymore)
 798 
    * 5 = 2.88Mb, 3.5'' (such drives are not used anymore)
799 
    For example, for the standard configuration from one 1.44-drive
 799 
    For example, for the standard configuration from one 1.44-drive
800 
    here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B:
 800 
    here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B:
801 
    the value is 24h.
 801 
    the value is 24h.
802 
  * +1: byte: information about hard disks and CD-drives, AABBCCDD,
 802 
  * +1: byte: information about hard disks and CD-drives, AABBCCDD,
803 
    where AA corresponds to the controller IDE0, ..., DD - IDE3:
 803 
    where AA corresponds to the controller IDE0, ..., DD - IDE3:
804 
    * 0 = device is absent
 804 
    * 0 = device is absent
805 
    * 1 = hard drive
 805 
    * 1 = hard drive
806 
    * 2 = CD-drive
 806 
    * 2 = CD-drive
807 
    For example, in the case HD on IDE0 and CD on IDE2
 807 
    For example, in the case HD on IDE0 and CD on IDE2
808 
    this field contains 48h.
 808 
    this field contains 48h.
809 
  * +2: 4 db: number of the retrieved partitions on hard disks
 809 
  * +2: 4 db: number of the retrieved partitions on hard disks
810 
    at accordingly IDE0,...,IDE3.
 810 
    at accordingly IDE0,...,IDE3.
811 
    If the hard disk on IDEx is absent, appropriate byte is zero,
 811 
    If the hard disk on IDEx is absent, appropriate byte is zero,
812 
    otherwise it shows number of the recognized partitions, which
 812 
    otherwise it shows number of the recognized partitions, which
813 
    can be not presented (if the drive is not formatted or if
 813 
    can be not presented (if the drive is not formatted or if
814 
    the file system is not supported). Current version of the kernel
 814 
    the file system is not supported). Current version of the kernel
815 
    supports only FAT16, FAT32 and NTFS for hard disks.
 815 
    supports only FAT16, FAT32 and NTFS for hard disks.
816 
  * +6: 4 db: reserved
 816 
  * +6: 4 db: reserved
817 
Format of the table: full version:
 817 
Format of the table: full version:
818 
  * +0: 10 db: same as for the short version
 818 
  * +0: 10 db: same as for the short version
819 
  * +10: 100 db: data for the first partition
 819 
  * +10: 100 db: data for the first partition
820 
  * +110: 100 db: data for the second partition
 820 
  * +110: 100 db: data for the second partition
821 
  * ...
 821 
  * ...
822 
  * +10+100*(n-1): 100 db: data for the last partition
 822 
  * +10+100*(n-1): 100 db: data for the last partition
823 
The partitions are located as follows: at first sequentially all
 823 
The partitions are located as follows: at first sequentially all
824 
recoginzed partitions on HD on IDE0 (if present),
 824 
recoginzed partitions on HD on IDE0 (if present),
825 
then on HD on IDE1 (if present) and so on up to IDE3.
 825 
then on HD on IDE1 (if present) and so on up to IDE3.
826 
Format of the information about partition
 826 
Format of the information about partition
827 
(at moment only FAT is supported):
 827 
(at moment only FAT is supported):
828 
  * +0: dword: first physical sector of the partition
 828 
  * +0: dword: first physical sector of the partition
829 
  * +4: dword: last physical sector of the partition
 829 
  * +4: dword: last physical sector of the partition
830 
    (belongs to the partition)
 830 
    (belongs to the partition)
831 
  * +8: byte: file system type:
 831 
  * +8: byte: file system type:
832 
    16=FAT16, 32=FAT32, 1=NTFS
 832 
    16=FAT16, 32=FAT32, 1=NTFS
833 
  * other data are dependent on file system, are modified with
 833 
  * other data are dependent on file system, are modified with
834 
    kernel modifications and therefore are not described
 834 
    kernel modifications and therefore are not described
835 
Remarks:
 835 
Remarks:
836 
  * The short table can be used for obtaining the information about
 836 
  * The short table can be used for obtaining the information about
837 
    available devices.
 837 
    available devices.
838 
 
 838 
 
839 
======================================================================
 839 
======================================================================
840 
========== Function 18, subfunction 13 - get kernel version. =========
 840 
========== Function 18, subfunction 13 - get kernel version. =========
841 
======================================================================
 841 
======================================================================
842 
Parameters:
 842 
Parameters:
843 
  * eax = 18 - function number
 843 
  * eax = 18 - function number
844 
  * ebx = 13 - subfunction number
 844 
  * ebx = 13 - subfunction number
845 
  * ecx = pointer to the buffer (not less than 16 bytes), where
 845 
  * ecx = pointer to the buffer (not less than 16 bytes), where
846 
    the information will be placed
 846 
    the information will be placed
847 
Returned value:
 847 
Returned value:
848 
  * function does not return value
 848 
  * function does not return value
849 
Structure of the buffer:
 849 
Structure of the buffer:
850 
db a,b,c,d for version a.b.c.d
 850 
db a,b,c,d for version a.b.c.d
851 
db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2
 851 
db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2
852 
db 'name',0 - ASCIIZ-string with the name
 852 
db 'name',0 - ASCIIZ-string with the name
853 
For Kolibri 0.6.4.0 kernel:
 853 
For Kolibri 0.6.4.0 kernel:
854 
db 0,6,4,0
 854 
db 0,6,4,0
855 
db 2
 855 
db 2
856 
db 'Kolibri',0
 856 
db 'Kolibri',0
857 
 
 857 
 
858 
======================================================================
 858 
======================================================================
859 
======= Function 18, subfunction 14 - wait for screen retrace. =======
 859 
======= Function 18, subfunction 14 - wait for screen retrace. =======
860 
======================================================================
 860 
======================================================================
861 
Waits for the beginning of retrace of the scanning ray of the screen
 861 
Waits for the beginning of retrace of the scanning ray of the screen
862 
monitor.
 862 
monitor.
863 
Parameters:
 863 
Parameters:
864 
  * eax = 18 - function number
 864 
  * eax = 18 - function number
865 
  * ebx = 14 - subfunction number
 865 
  * ebx = 14 - subfunction number
866 
Returned value:
 866 
Returned value:
867 
  * eax = 0 as the tag of success
 867 
  * eax = 0 as the tag of success
868 
Remarks:
 868 
Remarks:
869 
  * Function is intended only for active high-efficiency graphics
 869 
  * Function is intended only for active high-efficiency graphics
870 
    applications; is used for smooth output of a graphics.
 870 
    applications; is used for smooth output of a graphics.
871 
 
 871 
 
872 
======================================================================
 872 
======================================================================
873 
== Function 18, subfunction 15 - center mouse cursor on the screen. ==
 873 
== Function 18, subfunction 15 - center mouse cursor on the screen. ==
874 
======================================================================
 874 
======================================================================
875 
Parameters:
 875 
Parameters:
876 
  * eax = 18 - function number
 876 
  * eax = 18 - function number
877 
  * ebx = 15 - subfunction number
 877 
  * ebx = 15 - subfunction number
878 
Returned value:
 878 
Returned value:
879 
  * eax = 0 as the tag of success
 879 
  * eax = 0 as the tag of success
880 
 
 880 
 
881 
======================================================================
 881 
======================================================================
882 
========= Function 18, subfunction 16 - get size of free RAM. ========
 882 
========= Function 18, subfunction 16 - get size of free RAM. ========
883 
======================================================================
 883 
======================================================================
884 
Parameters:
 884 
Parameters:
885 
  * eax = 18 - function number
 885 
  * eax = 18 - function number
886 
  * ebx = 16 - subfunction number
 886 
  * ebx = 16 - subfunction number
887 
Returned value:
 887 
Returned value:
888 
  * eax = size of free memory in kilobytes
 888 
  * eax = size of free memory in kilobytes
889 
 
 889 
 
890 
======================================================================
 890 
======================================================================
891 
======== Function 18, subfunction 17 - get full amount of RAM. =======
 891 
======== Function 18, subfunction 17 - get full amount of RAM. =======
892 
======================================================================
 892 
======================================================================
893 
Parameters:
 893 
Parameters:
894 
  * eax = 18 - function number
 894 
  * eax = 18 - function number
895 
  * ebx = 17 - subfunction number
 895 
  * ebx = 17 - subfunction number
896 
Returned value:
 896 
Returned value:
897 
  * eax = total size of existing memory in kilobytes
 897 
  * eax = total size of existing memory in kilobytes
898 
 
 898 
 
899 
======================================================================
 899 
======================================================================
900 
===================== Function 18, subfunction 18 ====================
 900 
===================== Function 18, subfunction 18 ====================
901 
============= Terminate process/thread by the identifier. ============
 901 
============= Terminate process/thread by the identifier. ============
902 
======================================================================
 902 
======================================================================
903 
Parameters:
 903 
Parameters:
904 
  * eax = 18 - function number
 904 
  * eax = 18 - function number
905 
  * ebx = 18 - subfunction number
 905 
  * ebx = 18 - subfunction number
906 
  * ecx = identifer of process/thread (PID/TID)
 906 
  * ecx = identifer of process/thread (PID/TID)
907 
Returned value:
 907 
Returned value:
908 
  * eax = 0 - success
 908 
  * eax = 0 - success
909 
  * eax = -1 - error (process is not found or is system)
 909 
  * eax = -1 - error (process is not found or is system)
910 
Remarks:
 910 
Remarks:
911 
  * It is impossible to terminate system thread OS/IDLE (identifier
 911 
  * It is impossible to terminate system thread OS/IDLE (identifier
912 
    1), it is possible to terminate any normal process/thread.
 912 
    1), it is possible to terminate any normal process/thread.
913 
  * See also subfunction 2 - terminate
 913 
  * See also subfunction 2 - terminate
914 
    process/thread by given slot.
 914 
    process/thread by given slot.
915 
 
 915 
 
916 
======================================================================
 916 
======================================================================
917 
======== Function 18, subfunction 19 - get/set mouse features. =======
 917 
======== Function 18, subfunction 19 - get/set mouse features. =======
918 
======================================================================
 918 
======================================================================
919 
 
 919 
 
920 
---------------- Subsubfunction 0 - get mouse speed. -----------------
 920 
---------------- Subsubfunction 0 - get mouse speed. -----------------
921 
Parameters:
 921 
Parameters:
922 
  * eax = 18 - function number
 922 
  * eax = 18 - function number
923 
  * ebx = 19 - subfunction number
 923 
  * ebx = 19 - subfunction number
924 
  * ecx = 0 - subsubfunction number
 924 
  * ecx = 0 - subsubfunction number
925 
Returned value:
 925 
Returned value:
926 
  * eax = current mouse speed
 926 
  * eax = current mouse speed
927 
 
 927 
 
928 
---------------- Subsubfunction 1 - set mouse speed. -----------------
 928 
---------------- Subsubfunction 1 - set mouse speed. -----------------
929 
Parameters:
 929 
Parameters:
930 
  * eax = 18 - function number
 930 
  * eax = 18 - function number
931 
  * ebx = 19 - subfunction number
 931 
  * ebx = 19 - subfunction number
932 
  * ecx = 1 - subsubfunction number
 932 
  * ecx = 1 - subsubfunction number
933 
  * edx = new value for speed
 933 
  * edx = new value for speed
934 
Returned value:
 934 
Returned value:
935 
  * function does not return value
 935 
  * function does not return value
936 
 
 936 
 
937 
---------------- Subsubfunction 2 - get mouse delay. -----------------
 937 
---------------- Subsubfunction 2 - get mouse delay. -----------------
938 
Parameters:
 938 
Parameters:
939 
  * eax = 18 - function number
 939 
  * eax = 18 - function number
940 
  * ebx = 19 - subfunction number
 940 
  * ebx = 19 - subfunction number
941 
  * ecx = 2 - subsubfunction number
 941 
  * ecx = 2 - subsubfunction number
942 
Returned value:
 942 
Returned value:
943 
  * eax = current mouse delay
 943 
  * eax = current mouse delay
944 
 
 944 
 
945 
---------------- Subsubfunction 3 - set mouse delay. -----------------
 945 
---------------- Subsubfunction 3 - set mouse delay. -----------------
946 
Parameters:
 946 
Parameters:
947 
  * eax = 18 - function number
 947 
  * eax = 18 - function number
948 
  * ebx = 19 - subfunction number
 948 
  * ebx = 19 - subfunction number
949 
  * ecx = 3 - subsubfunction number
 949 
  * ecx = 3 - subsubfunction number
950 
  * edx = new value for mouse delay
 950 
  * edx = new value for mouse delay
951 
Returned value:
 951 
Returned value:
952 
  * function does not return value
 952 
  * function does not return value
953 
 
 953 
 
954 
----------- Subsubfunction 4 - set mouse pointer position. -----------
 954 
----------- Subsubfunction 4 - set mouse pointer position. -----------
955 
Parameters:
 955 
Parameters:
956 
  * eax = 18 - function number
 956 
  * eax = 18 - function number
957 
  * ebx = 19 - subfunction number
 957 
  * ebx = 19 - subfunction number
958 
  * ecx = 4 - subsubfunction number
 958 
  * ecx = 4 - subsubfunction number
959 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 959 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
960 
Returned value:
 960 
Returned value:
961 
  * function does not return value
 961 
  * function does not return value
962 
Remarks:
 962 
Remarks:
963 
  * It is recommended to set speed of the mouse (in subsubfunction 1)
 963 
  * It is recommended to set speed of the mouse (in subsubfunction 1)
964 
    from 1 up to 9. The installed value is not inspected by the kernel
 964 
    from 1 up to 9. The installed value is not inspected by the kernel
965 
    code, so set it carefully, at incorrect value the cursor
 965 
    code, so set it carefully, at incorrect value the cursor
966 
    can "freeze". Speed of the mouse can be regulated through the
 966 
    can "freeze". Speed of the mouse can be regulated through the
967 
    application SETUP.
 967 
    application SETUP.
968 
  * Recommended delay of the mouse (in subsubfunction 3) = 10. Lower
 968 
  * Recommended delay of the mouse (in subsubfunction 3) = 10. Lower
969 
    value is not handled by COM mice. At the very large values the
 969 
    value is not handled by COM mice. At the very large values the
970 
    movement of the mouse on 1 pixel is impossible and the cursor will
 970 
    movement of the mouse on 1 pixel is impossible and the cursor will
971 
    jump on the value of installed speed (subsubfunction 1). The
 971 
    jump on the value of installed speed (subsubfunction 1). The
972 
    installed value is not inspected by the kernel code.
 972 
    installed value is not inspected by the kernel code.
973 
    Mouse delay can be regulated through the application SETUP.
 973 
    Mouse delay can be regulated through the application SETUP.
974 
  * The subsubfunction 4 does not check the passed value. Before
 974 
  * The subsubfunction 4 does not check the passed value. Before
975 
    its call find out current screen resolution (with function 14)
 975 
    its call find out current screen resolution (with function 14)
976 
    and check that the value of position is inside the limits of the
 976 
    and check that the value of position is inside the limits of the
977 
    screen.
 977 
    screen.
978 
 
 978 
 
979 
======================================================================
 979 
======================================================================
980 
======== Function 18, subfunction 20 - get information on RAM. =======
 980 
======== Function 18, subfunction 20 - get information on RAM. =======
981 
======================================================================
 981 
======================================================================
982 
Parameters:
 982 
Parameters:
983 
  * eax = 18 - function number
 983 
  * eax = 18 - function number
984 
  * ebx = 20 - subfunction number
 984 
  * ebx = 20 - subfunction number
985 
  * ecx = pointer to the buffer for information (36 bytes)
 985 
  * ecx = pointer to the buffer for information (36 bytes)
986 
Returned value:
 986 
Returned value:
987 
  * eax = total size of existing RAM in pages
 987 
  * eax = total size of existing RAM in pages
988 
    or -1 if error has occured
 988 
    or -1 if error has occured
989 
  * buffer pointed to by ecx contains the following information:
 989 
  * buffer pointed to by ecx contains the following information:
990 
    * +0:  dword: total size of existing RAM in pages
 990 
    * +0:  dword: total size of existing RAM in pages
991 
    * +4:  dword: size of free RAM in pages
 991 
    * +4:  dword: size of free RAM in pages
992 
    * +8:  dword: number of page faults (exceptions #PF)
 992 
    * +8:  dword: number of page faults (exceptions #PF)
993 
                 in applications
 993 
                 in applications
994 
    * +12: dword: size of kernel heap in bytes
 994 
    * +12: dword: size of kernel heap in bytes
995 
    * +16: dword: free in kernel heap in bytes
 995 
    * +16: dword: free in kernel heap in bytes
996 
    * +20: dword: total number of memory blocks in kernel heap
 996 
    * +20: dword: total number of memory blocks in kernel heap
997 
    * +24: dword: number of free memory blocks in kernel heap
 997 
    * +24: dword: number of free memory blocks in kernel heap
998 
    * +28: dword: size of maximum free block in kernel heap
 998 
    * +28: dword: size of maximum free block in kernel heap
999 
                 (reserved)
 999 
                 (reserved)
1000 
    * +32: dword: size of maximum allocated block in kernel heap
 1000 
    * +32: dword: size of maximum allocated block in kernel heap
1001 
                 (reserved)
 1001 
                 (reserved)
1002 
 
 1002 
 
1003 
======================================================================
 1003 
======================================================================
1004 
==================== Function 20 - MIDI interface. ===================
 1004 
==================== Function 20 - MIDI interface. ===================
1005 
======================================================================
 1005 
======================================================================
1006 
 
 1006 
 
1007 
----------------------- Subfunction 1 - reset ------------------------
 1007 
----------------------- Subfunction 1 - reset ------------------------
1008 
Parameters:
 1008 
Parameters:
1009 
  * eax = 20 - function number
 1009 
  * eax = 20 - function number
1010 
  * ebx = 1 - subfunction number
 1010 
  * ebx = 1 - subfunction number
1011 
 
 1011 
 
1012 
-------------------- Subfunction 2 - output byte ---------------------
 1012 
-------------------- Subfunction 2 - output byte ---------------------
1013 
Parameters:
 1013 
Parameters:
1014 
  * eax = 20 - function number
 1014 
  * eax = 20 - function number
1015 
  * ebx = 2 - subfunction number
 1015 
  * ebx = 2 - subfunction number
1016 
  * cl = byte for output
 1016 
  * cl = byte for output
1017 
Returned value (is the same for both subfunctions):
 1017 
Returned value (is the same for both subfunctions):
1018 
  * eax = 0 - success
 1018 
  * eax = 0 - success
1019 
  * eax = 1 - base port is not defined
 1019 
  * eax = 1 - base port is not defined
1020 
Remarks:
 1020 
Remarks:
1021 
  * Previously the base port must be defined by
1021 
  * Previously the base port must be defined by
1022 
    subfunction 1 of function 21.
 1022 
    subfunction 1 of function 21.
1023 
 
 1023 
 
1024 
======================================================================
 1024 
======================================================================
1025 
======== Function 21, subfunction 1 - set MPU MIDI base port. ========
 1025 
======== Function 21, subfunction 1 - set MPU MIDI base port. ========
1026 
======================================================================
 1026 
======================================================================
1027 
Parameters:
 1027 
Parameters:
1028 
  * eax = 21 - function number
 1028 
  * eax = 21 - function number
1029 
  * ebx = 1 - subfunction number
 1029 
  * ebx = 1 - subfunction number
1030 
  * ecx = number of base port
 1030 
  * ecx = number of base port
1031 
Returned value
 1031 
Returned value
1032 
  * eax = 0 - success
 1032 
  * eax = 0 - success
1033 
  * eax = -1 - erratic number of a port
 1033 
  * eax = -1 - erratic number of a port
1034 
Remarks:
 1034 
Remarks:
1035 
  * Number of a port must satisfy to conditions 0x100<=ecx<=0xFFFF.
 1035 
  * Number of a port must satisfy to conditions 0x100<=ecx<=0xFFFF.
1036 
  * The installation of base is necessary for function 20.
 1036 
  * The installation of base is necessary for function 20.
1037 
  * To get base port use subfunction 1 of function 26.
 1037 
  * To get base port use subfunction 1 of function 26.
1038 
 
 1038 
 
1039 
======================================================================
 1039 
======================================================================
1040 
========== Function 21, subfunction 2 - set keyboard layout. =========
 1040 
========== Function 21, subfunction 2 - set keyboard layout. =========
1041 
======================================================================
 1041 
======================================================================
1042 
Keyboard layout is used to convert keyboard scancodes to ASCII-codes,
 1042 
Keyboard layout is used to convert keyboard scancodes to ASCII-codes,
1043 
which will be read by function 2.
 1043 
which will be read by function 2.
1044 
Parameters:
 1044 
Parameters:
1045 
  * eax = 21 - function number
 1045 
  * eax = 21 - function number
1046 
  * ebx = 2 - subfunction number
 1046 
  * ebx = 2 - subfunction number
1047 
  * ecx = which layout to set:
 1047 
  * ecx = which layout to set:
1048 
    * 1 = normal layout
 1048 
    * 1 = normal layout
1049 
    * 2 = layout at pressed Shift
 1049 
    * 2 = layout at pressed Shift
1050 
    * 3 = layout at pressed Alt
 1050 
    * 3 = layout at pressed Alt
1051 
  * edx = pointer to layout - table of length 128 bytes
 1051 
  * edx = pointer to layout - table of length 128 bytes
1052 
Or:
 1052 
Or:
1053 
  * ecx = 9
 1053 
  * ecx = 9
1054 
  * dx = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
 1054 
  * dx = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
1055 
Returned value:
 1055 
Returned value:
1056 
  * eax = 0 - success
 1056 
  * eax = 0 - success
1057 
  * eax = 1 - incorrect parameter
 1057 
  * eax = 1 - incorrect parameter
1058 
Remarks:
 1058 
Remarks:
1059 
  * If Alt is pressed, the layout with Alt is used;
 1059 
  * If Alt is pressed, the layout with Alt is used;
1060 
    if Alt is not pressed, but Shift is pressed,
 1060 
    if Alt is not pressed, but Shift is pressed,
1061 
    the layout with Shift is used;
 1061 
    the layout with Shift is used;
1062 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
 1062 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
1063 
    layout is used and then from the code is subtracted 0x60;
 1063 
    layout is used and then from the code is subtracted 0x60;
1064 
    if no control key is pressed, the normal layout is used.
 1064 
    if no control key is pressed, the normal layout is used.
1065 
  * To get layout and country identifier use
1065 
  * To get layout and country identifier use
1066 
    subfunction 2 of function 26.
 1066 
    subfunction 2 of function 26.
1067 
  * Country identifier is global system variable, which is not used
 1067 
  * Country identifier is global system variable, which is not used
1068 
    by the kernel itself; however the application '@panel' displays
 1068 
    by the kernel itself; however the application '@panel' displays
1069 
    the corresponding icon.
 1069 
    the corresponding icon.
1070 
  * The application @panel switches layouts on user request.
 1070 
  * The application @panel switches layouts on user request.
1071 
 
 1071 
 
1072 
======================================================================
 1072 
======================================================================
1073 
============== Function 21, subfunction 3 - set CD base. =============
 1073 
============== Function 21, subfunction 3 - set CD base. =============
1074 
======================================================================
 1074 
======================================================================
1075 
Parameters:
 1075 
Parameters:
1076 
  * eax = 21 - function number
 1076 
  * eax = 21 - function number
1077 
  * ebx = 3 - subfunction number
 1077 
  * ebx = 3 - subfunction number
1078 
  * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1078 
  * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1079 
Returned value:
 1079 
Returned value:
1080 
  * eax = 0
 1080 
  * eax = 0
1081 
Remarks:
 1081 
Remarks:
1082 
  * CD base is used by function 24.
 1082 
  * CD base is used by function 24.
1083 
  * To get CD base use subfunction 3 of function 26.
 1083 
  * To get CD base use subfunction 3 of function 26.
1084 
 
 1084 
 
1085 
======================================================================
 1085 
======================================================================
1086 
====== Function 21, subfunction 4 - set Sound Blaster base port. =====
 1086 
====== Function 21, subfunction 4 - set Sound Blaster base port. =====
1087 
======================================================================
 1087 
======================================================================
1088 
Parameters:
 1088 
Parameters:
1089 
  * eax = 21 - function number
 1089 
  * eax = 21 - function number
1090 
  * ebx = 4 - subfunction number
 1090 
  * ebx = 4 - subfunction number
1091 
  * ecx = number of the base port
 1091 
  * ecx = number of the base port
1092 
Returned value:
 1092 
Returned value:
1093 
  * eax = 0 - success
 1093 
  * eax = 0 - success
1094 
  * eax = -1 - erratic port number
 1094 
  * eax = -1 - erratic port number
1095 
Remarks:
 1095 
Remarks:
1096 
  * Number of the port must satisfy to conditions 0x100<=ecx<=0xFFFF.
 1096 
  * Number of the port must satisfy to conditions 0x100<=ecx<=0xFFFF.
1097 
  * The installation of the base is necessary for
 1097 
  * The installation of the base is necessary for
1098 
    functions 25, 28, 55.
 1098 
    functions 25, 28, 55.
1099 
  * To get base port use subfunction 4 of function 26.
 1099 
  * To get base port use subfunction 4 of function 26.
1100 
 
 1100 
 
1101 
======================================================================
 1101 
======================================================================
1102 
========== Function 21, subfunction 5 - set system language. =========
 1102 
========== Function 21, subfunction 5 - set system language. =========
1103 
======================================================================
 1103 
======================================================================
1104 
Parameters:
 1104 
Parameters:
1105 
  * eax = 21 - function number
 1105 
  * eax = 21 - function number
1106 
  * ebx = 5 - subfunction number
 1106 
  * ebx = 5 - subfunction number
1107 
  * ecx = system language (1=eng, 2=fi, 3=ger, 4=rus)
 1107 
  * ecx = system language (1=eng, 2=fi, 3=ger, 4=rus)
1108 
Returned value:
 1108 
Returned value:
1109 
  * eax = 0
 1109 
  * eax = 0
1110 
Remarks:
 1110 
Remarks:
1111 
  * System language is global system variable and is not used
 1111 
  * System language is global system variable and is not used
1112 
    by the kernel itself, however application @panel draws the
 1112 
    by the kernel itself, however application @panel draws the
1113 
    appropriate icon.
 1113 
    appropriate icon.
1114 
  * Function does not check for correctness, as the kernel does not
 1114 
  * Function does not check for correctness, as the kernel does not
1115 
    use this variable.
 1115 
    use this variable.
1116 
  * To get system language use subfunction 5 of function 26.
 1116 
  * To get system language use subfunction 5 of function 26.
1117 
 
 1117 
 
1118 
======================================================================
 1118 
======================================================================
1119 
============== Function 21, subfunction 7 - set HD base. =============
 1119 
============== Function 21, subfunction 7 - set HD base. =============
1120 
======================================================================
 1120 
======================================================================
1121 
The HD base defines hard disk to write with usage of obsolete
 1121 
The HD base defines hard disk to write with usage of obsolete
1122 
file system functions and functions implicitly using the hard disk
 1122 
file system functions and functions implicitly using the hard disk
1123 
(such as subfunction 6 of function 18);
 1123 
(such as subfunction 6 of function 18);
1124 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1124 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1125 
these function set base themselves.
 1125 
these function set base themselves.
1126 
Parameters:
 1126 
Parameters:
1127 
  * eax = 21 - function number
 1127 
  * eax = 21 - function number
1128 
  * ebx = 7 - subfunction number
 1128 
  * ebx = 7 - subfunction number
1129 
  * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1129 
  * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1130 
Returned value:
 1130 
Returned value:
1131 
  * eax = 0
 1131 
  * eax = 0
1132 
Remarks:
 1132 
Remarks:
1133 
  * Any application at any time can change the base.
 1133 
  * Any application at any time can change the base.
1134 
  * Do not change base, when any application works with hard disk.
 1134 
  * Do not change base, when any application works with hard disk.
1135 
    If you do not want system bugs.
 1135 
    If you do not want system bugs.
1136 
  * To get HD base use subfunction 7 of function 26.
 1136 
  * To get HD base use subfunction 7 of function 26.
1137 
  * It is also necessary to define used partition of hard disk by
1137 
  * It is also necessary to define used partition of hard disk by
1138 
    subfunction 8.
 1138 
    subfunction 8.
1139 
 
 1139 
 
1140 
======================================================================
 1140 
======================================================================
1141 
========= Function 21, subfunction 8 - set used HD partition. ========
 1141 
========= Function 21, subfunction 8 - set used HD partition. ========
1142 
======================================================================
 1142 
======================================================================
1143 
The HD partition defines partition of the hard disk to write with
 1143 
The HD partition defines partition of the hard disk to write with
1144 
usage of obsolete file system functions and functions implicitly
 1144 
usage of obsolete file system functions and functions implicitly
1145 
using the hard disk (such as subfunction 6 of function 18);
 1145 
using the hard disk (such as subfunction 6 of function 18);
1146 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1146 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1147 
these functions set base and partition themselves.
 1147 
these functions set base and partition themselves.
1148 
Parameters:
 1148 
Parameters:
1149 
  * eax = 21 - function number
 1149 
  * eax = 21 - function number
1150 
  * ebx = 8 - subfunction number
 1150 
  * ebx = 8 - subfunction number
1151 
  * ecx = HD partition (beginning from 1)
 1151 
  * ecx = HD partition (beginning from 1)
1152 
Return value:
 1152 
Return value:
1153 
  * eax = 0
 1153 
  * eax = 0
1154 
Remarks:
 1154 
Remarks:
1155 
  * Any application at any time can change partition.
 1155 
  * Any application at any time can change partition.
1156 
  * Do not change partition when any application works with hard disk.
 1156 
  * Do not change partition when any application works with hard disk.
1157 
    If you do not want system bugs.
 1157 
    If you do not want system bugs.
1158 
  * To get used partition use subfunction 8 of function 26.
 1158 
  * To get used partition use subfunction 8 of function 26.
1159 
  * There is no correctness checks.
 1159 
  * There is no correctness checks.
1160 
  * To get the number of partitions of a hard disk use
1160 
  * To get the number of partitions of a hard disk use
1161 
    subfunction 11 of function 18.
 1161 
    subfunction 11 of function 18.
1162 
  * It is also necessary to define used HD base by subfunction 7.
 1162 
  * It is also necessary to define used HD base by subfunction 7.
1163 
 
 1163 
 
1164 
======================================================================
 1164 
======================================================================
1165 
======== Function 21, subfunction 10 - set sound DMA channel. ========
 1165 
======== Function 21, subfunction 10 - set sound DMA channel. ========
1166 
======================================================================
 1166 
======================================================================
1167 
Parameters:
 1167 
Parameters:
1168 
  * eax = 21 - function number
 1168 
  * eax = 21 - function number
1169 
  * ebx = 10 - subfunction number
 1169 
  * ebx = 10 - subfunction number
1170 
  * ecx = number of channel (from 0 up to 3 inclusively)
 1170 
  * ecx = number of channel (from 0 up to 3 inclusively)
1171 
Returned value:
 1171 
Returned value:
1172 
  * eax = 0 - success
 1172 
  * eax = 0 - success
1173 
  * eax = -1 - incorrect channel number
 1173 
  * eax = -1 - incorrect channel number
1174 
Remarks:
 1174 
Remarks:
1175 
  * Number of DMA channel is used in subfunction 1 of function 55.
 1175 
  * Number of DMA channel is used in subfunction 1 of function 55.
1176 
  * To get sound DMA channel use subfunction 10 of function 26.
 1176 
  * To get sound DMA channel use subfunction 10 of function 26.
1177 
 
 1177 
 
1178 
======================================================================
 1178 
======================================================================
1179 
 Function 21, subfunction 11 - enable/disable low-level access to HD.
1179 
 Function 21, subfunction 11 - enable/disable low-level access to HD.
1180 
======================================================================
 1180 
======================================================================
1181 
Parameters:
 1181 
Parameters:
1182 
  * eax = 21 - function number
 1182 
  * eax = 21 - function number
1183 
  * ebx = 11 - subfunction number
 1183 
  * ebx = 11 - subfunction number
1184 
  * ecx = 0/1 - disable/enable
 1184 
  * ecx = 0/1 - disable/enable
1185 
Returned value:
 1185 
Returned value:
1186 
  * eax = 0
 1186 
  * eax = 0
1187 
Remarks:
 1187 
Remarks:
1188 
  * Is used in LBA-read (subfunction 8 of function 58).
 1188 
  * Is used in LBA-read (subfunction 8 of function 58).
1189 
  * The current implementation uses only low bit of ecx.
 1189 
  * The current implementation uses only low bit of ecx.
1190 
  * To get current status use subfunction 11 of function 26.
 1190 
  * To get current status use subfunction 11 of function 26.
1191 
 
 1191 
 
1192 
======================================================================
 1192 
======================================================================
1193 
 Function 21, subfunction 12 - enable/disable low-level access to PCI.
1193 
 Function 21, subfunction 12 - enable/disable low-level access to PCI.
1194 
======================================================================
 1194 
======================================================================
1195 
Parameters:
 1195 
Parameters:
1196 
  * eax = 21 - function number
 1196 
  * eax = 21 - function number
1197 
  * ebx = 12 - subfunction number
 1197 
  * ebx = 12 - subfunction number
1198 
  * ecx = 0/1 - disable/enable
 1198 
  * ecx = 0/1 - disable/enable
1199 
Returned value:
 1199 
Returned value:
1200 
  * eax = 0
 1200 
  * eax = 0
1201 
Remarks:
 1201 
Remarks:
1202 
  * Is used in operations with PCI bus (function 62).
 1202 
  * Is used in operations with PCI bus (function 62).
1203 
  * The current implementation uses only low bit of ecx.
 1203 
  * The current implementation uses only low bit of ecx.
1204 
  * To get current status use subfunction 12 of function 26.
 1204 
  * To get current status use subfunction 12 of function 26.
1205 
 
 1205 
 
1206 
======================================================================
 1206 
======================================================================
1207 
============ Function 21, subfunction 13, subsubfunction 1 ===========
 1207 
============ Function 21, subfunction 13, subsubfunction 1 ===========
1208 
======== Initialize + get information on the driver vmode.mdr. =======
 1208 
======== Initialize + get information on the driver vmode.mdr. =======
1209 
======================================================================
 1209 
======================================================================
1210 
Parameters:
 1210 
Parameters:
1211 
  * eax = 21 - function number
 1211 
  * eax = 21 - function number
1212 
  * ebx = 13 - subfunction number
 1212 
  * ebx = 13 - subfunction number
1213 
  * ecx = 1 - number of the driver function
 1213 
  * ecx = 1 - number of the driver function
1214 
  * edx = pointer to 512-bytes buffer
 1214 
  * edx = pointer to 512-bytes buffer
1215 
Returned value:
 1215 
Returned value:
1216 
  * if driver is not loaded
 1216 
  * if driver is not loaded
1217 
    (never happens in the current implementation):
 1217 
    (never happens in the current implementation):
1218 
    * eax = -1
 1218 
    * eax = -1
1219 
    * ebx, ecx destroyed
 1219 
    * ebx, ecx destroyed
1220 
  * if driver is loaded:
 1220 
  * if driver is loaded:
1221 
    * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high)
 1221 
    * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high)
1222 
      - signature
 1222 
      - signature
1223 
    * ebx = current frequency of the scanning (in Hz)
 1223 
    * ebx = current frequency of the scanning (in Hz)
1224 
    * ecx destroyed
 1224 
    * ecx destroyed
1225 
    * buffer pointed to by edx is filled
 1225 
    * buffer pointed to by edx is filled
1226 
Format of the buffer:
 1226 
Format of the buffer:
1227 
  * +0: 32*byte: driver name, "Trans VideoDriver"
 1227 
  * +0: 32*byte: driver name, "Trans VideoDriver"
1228 
    (without quotes, supplemented by spaces)
 1228 
    (without quotes, supplemented by spaces)
1229 
  * +32 = +0x20: dword: driver version (version x.y is encoded as
 1229 
  * +32 = +0x20: dword: driver version (version x.y is encoded as
1230 
    y*65536+x), for the current implementation is 1 (1.0)
 1230 
    y*65536+x), for the current implementation is 1 (1.0)
1231 
  * +36 = +0x24: 7*dword: reserved (0 in the current implementation)
 1231 
  * +36 = +0x24: 7*dword: reserved (0 in the current implementation)
1232 
  * +64 = +0x40: 32*word: list of supported videomodes (each word
 1232 
  * +64 = +0x40: 32*word: list of supported videomodes (each word
1233 
    is number of a videomode, after list itself there are zeroes)
 1233 
    is number of a videomode, after list itself there are zeroes)
1234 
  * +128 = +0x80: 32*(5*word): list of supported frequences of the
 1234 
  * +128 = +0x80: 32*(5*word): list of supported frequences of the
1235 
    scannings for videomodes: for each videomode listed in the
 1235 
    scannings for videomodes: for each videomode listed in the
1236 
    previous field up to 5 supported frequences are given
 1236 
    previous field up to 5 supported frequences are given
1237 
    (unused positions contain zeroes)
 1237 
    (unused positions contain zeroes)
1238 
Remarks:
 1238 
Remarks:
1239 
  * Function initializes the driver (if it is not initialized yet)
 1239 
  * Function initializes the driver (if it is not initialized yet)
1240 
    and must be called first, before others (otherwise they will do
 1240 
    and must be called first, before others (otherwise they will do
1241 
    nothing and return -1).
 1241 
    nothing and return -1).
1242 
  * The current implementation supports only one frequency
 1242 
  * The current implementation supports only one frequency
1243 
    of the scanning on videomode.
 1243 
    of the scanning on videomode.
1244 
 
 1244 
 
1245 
======================================================================
 1245 
======================================================================
1246 
============ Function 21, subfunction 13, subsubfunction 2 ===========
 1246 
============ Function 21, subfunction 13, subsubfunction 2 ===========
1247 
================ Get information on current videomode. ===============
 1247 
================ Get information on current videomode. ===============
1248 
======================================================================
 1248 
======================================================================
1249 
Parameters:
 1249 
Parameters:
1250 
  * eax = 21 - function number
 1250 
  * eax = 21 - function number
1251 
  * ebx = 13 - subfunction number
 1251 
  * ebx = 13 - subfunction number
1252 
  * ecx = 2 - number of the driver function
 1252 
  * ecx = 2 - number of the driver function
1253 
Returned value:
 1253 
Returned value:
1254 
  * eax = -1 - driver is not loaded or not initialized;
 1254 
  * eax = -1 - driver is not loaded or not initialized;
1255 
    ebx,ecx are destroyed
 1255 
    ebx,ecx are destroyed
1256 
  * eax = [width]*65536 + [height]
 1256 
  * eax = [width]*65536 + [height]
1257 
  * ebx = frequency of the vertical scanning (in Hz)
 1257 
  * ebx = frequency of the vertical scanning (in Hz)
1258 
  * ecx = number of current videomode
 1258 
  * ecx = number of current videomode
1259 
Remarks:
 1259 
Remarks:
1260 
  * Driver must be initialized by call to
1260 
  * Driver must be initialized by call to
1261 
    driver function 1.
 1261 
    driver function 1.
1262 
  * If only screen sizes are required, it is more expedient to use
 1262 
  * If only screen sizes are required, it is more expedient to use
1263 
    function 14 taking into account that it
 1263 
    function 14 taking into account that it
1264 
    returns sizes on 1 less.
 1264 
    returns sizes on 1 less.
1265 
 
 1265 
 
1266 
======================================================================
 1266 
======================================================================
1267 
=== Function 21, subfunction 13, subsubfunction 3 - set videomode. ===
 1267 
=== Function 21, subfunction 13, subsubfunction 3 - set videomode. ===
1268 
======================================================================
 1268 
======================================================================
1269 
Parameters:
 1269 
Parameters:
1270 
  * eax = 21 - function number
 1270 
  * eax = 21 - function number
1271 
  * ebx = 13 - subfunction number
 1271 
  * ebx = 13 - subfunction number
1272 
  * ecx = 3 - number of the driver function
 1272 
  * ecx = 3 - number of the driver function
1273 
  * edx = [scanning frequency]*65536 + [videomode number]
 1273 
  * edx = [scanning frequency]*65536 + [videomode number]
1274 
Returned value:
 1274 
Returned value:
1275 
  * eax = -1 - driver is not loaded, not initialized or
 1275 
  * eax = -1 - driver is not loaded, not initialized or
1276 
    an error has occured
 1276 
    an error has occured
1277 
  * eax = 0 - success
 1277 
  * eax = 0 - success
1278 
  * ebx, ecx destroyed
 1278 
  * ebx, ecx destroyed
1279 
Remarks:
 1279 
Remarks:
1280 
  * Driver must be initialized by driver function 1.
 1280 
  * Driver must be initialized by driver function 1.
1281 
  * The videomode number and frequency must be in the table
 1281 
  * The videomode number and frequency must be in the table
1282 
    returned by driver function 1.
 1282 
    returned by driver function 1.
1283 
 
 1283 
 
1284 
======================================================================
 1284 
======================================================================
1285 
============ Function 21, subfunction 13, subsubfunction 4 ===========
 1285 
============ Function 21, subfunction 13, subsubfunction 4 ===========
1286 
================== Return to the initial videomode. ==================
 1286 
================== Return to the initial videomode. ==================
1287 
======================================================================
 1287 
======================================================================
1288 
Returns the screen to the videomode set at system boot.
 1288 
Returns the screen to the videomode set at system boot.
1289 
Parameters:
 1289 
Parameters:
1290 
  * eax = 21 - function number
 1290 
  * eax = 21 - function number
1291 
  * ebx = 13 - subfunction number
 1291 
  * ebx = 13 - subfunction number
1292 
  * ecx = 4 - number of the driver function
 1292 
  * ecx = 4 - number of the driver function
1293 
Returned value:
 1293 
Returned value:
1294 
  * eax = -1 - driver is not loaded or not initialized
 1294 
  * eax = -1 - driver is not loaded or not initialized
1295 
  * eax = 0 - success
 1295 
  * eax = 0 - success
1296 
  * ebx, ecx destroyed
 1296 
  * ebx, ecx destroyed
1297 
Remarks:
 1297 
Remarks:
1298 
  * Driver must be initialized by call to driver function 1.
 1298 
  * Driver must be initialized by call to driver function 1.
1299 
 
 1299 
 
1300 
======================================================================
 1300 
======================================================================
1301 
============ Function 21, subfunction 13, subsubfunction 5 ===========
 1301 
============ Function 21, subfunction 13, subsubfunction 5 ===========
1302 
===== Increase/decrease the size of the visible area of monitor. =====
 1302 
===== Increase/decrease the size of the visible area of monitor. =====
1303 
======================================================================
 1303 
======================================================================
1304 
Parameters:
 1304 
Parameters:
1305 
  * eax = 21 - function number
 1305 
  * eax = 21 - function number
1306 
  * ebx = 13 - subfunction number
 1306 
  * ebx = 13 - subfunction number
1307 
  * ecx = 5 - number of the driver function
 1307 
  * ecx = 5 - number of the driver function
1308 
  * edx = 0/1 - decrease/increase horizontal size on 1 position
 1308 
  * edx = 0/1 - decrease/increase horizontal size on 1 position
1309 
  * edx = 2/3 - is not supported in the current implementation;
 1309 
  * edx = 2/3 - is not supported in the current implementation;
1310 
    is planned as decrease/increase vertical size on 1 position
 1310 
    is planned as decrease/increase vertical size on 1 position
1311 
Returned value:
 1311 
Returned value:
1312 
  * eax = -1 - driver is not loaded or not initialized
 1312 
  * eax = -1 - driver is not loaded or not initialized
1313 
  * eax = 0 - success
 1313 
  * eax = 0 - success
1314 
  * ebx, ecx destroyed
 1314 
  * ebx, ecx destroyed
1315 
Remarks:
 1315 
Remarks:
1316 
  * Driver must be initialized by call to driver function 1.
 1316 
  * Driver must be initialized by call to driver function 1.
1317 
  * Function influences only the physical size of the screen image;
 1317 
  * Function influences only the physical size of the screen image;
1318 
    the logical size (number of pixels) does not change.
 1318 
    the logical size (number of pixels) does not change.
1319 
 
 1319 
 
1320 
======================================================================
 1320 
======================================================================
1321 
================= Function 22 - set system date/time. ================
 1321 
================= Function 22 - set system date/time. ================
1322 
======================================================================
 1322 
======================================================================
1323 
Parameters:
 1323 
Parameters:
1324 
  * eax = 22 - function number
 1324 
  * eax = 22 - function number
1325 
  * ebx = 0 - set time
 1325 
  * ebx = 0 - set time
1326 
    * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD):
 1326 
    * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD):
1327 
    * HH=hour 00..23
 1327 
    * HH=hour 00..23
1328 
    * MM=minute 00..59
 1328 
    * MM=minute 00..59
1329 
    * SS=second 00..59
 1329 
    * SS=second 00..59
1330 
  * ebx = 1 - set date
 1330 
  * ebx = 1 - set date
1331 
    * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD):
 1331 
    * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD):
1332 
    * DD=day 01..31
 1332 
    * DD=day 01..31
1333 
    * MM=month 01..12
 1333 
    * MM=month 01..12
1334 
    * YY=year 00..99
 1334 
    * YY=year 00..99
1335 
  * ebx = 2 - set day of week
 1335 
  * ebx = 2 - set day of week
1336 
    * ecx = 1 for Sunday, ..., 7 for Saturday
 1336 
    * ecx = 1 for Sunday, ..., 7 for Saturday
1337 
  * ebx = 3 - set alarm clock
 1337 
  * ebx = 3 - set alarm clock
1338 
    * ecx = 0x00SSMMHH
 1338 
    * ecx = 0x00SSMMHH
1339 
Returned value:
 1339 
Returned value:
1340 
  * eax = 0 - success
 1340 
  * eax = 0 - success
1341 
  * eax = 1 - incorrect parameter
 1341 
  * eax = 1 - incorrect parameter
1342 
  * eax = 2 - CMOS-battery was unloaded
 1342 
  * eax = 2 - CMOS-battery was unloaded
1343 
Remarks:
 1343 
Remarks:
1344 
  * Value of installation of day of week seems to be doubtful,
 1344 
  * Value of installation of day of week seems to be doubtful,
1345 
    as it a little where is used
 1345 
    as it a little where is used
1346 
    (day of week can be calculated by date).
 1346 
    (day of week can be calculated by date).
1347 
  * Alarm clock can be set on operation in the given time every day.
 1347 
  * Alarm clock can be set on operation in the given time every day.
1348 
    But there is no existing system function to disable it.
 1348 
    But there is no existing system function to disable it.
1349 
  * Operation of alarm clock consists in generation IRQ8.
 1349 
  * Operation of alarm clock consists in generation IRQ8.
1350 
  * Generally CMOS supports for alarm clock set of value 0xFF
 1350 
  * Generally CMOS supports for alarm clock set of value 0xFF
1351 
    as one of parameters and it means that the appropriate parameter
 1351 
    as one of parameters and it means that the appropriate parameter
1352 
    is ignored. But current implementation does not allow this
 1352 
    is ignored. But current implementation does not allow this
1353 
    (will return 1).
 1353 
    (will return 1).
1354 
  * Alarm clock is a global system resource; the set of
 1354 
  * Alarm clock is a global system resource; the set of
1355 
    an alarm clock cancels automatically the previous set.
 1355 
    an alarm clock cancels automatically the previous set.
1356 
    However, at moment no program uses it.
 1356 
    However, at moment no program uses it.
1357 
 
 1357 
 
1358 
======================================================================
 1358 
======================================================================
1359 
============= Function 23 - wait for event with timeout. =============
 1359 
============= Function 23 - wait for event with timeout. =============
1360 
======================================================================
 1360 
======================================================================
1361 
If the message queue is empty, waits for new message in the queue,
 1361 
If the message queue is empty, waits for new message in the queue,
1362 
but no more than given time. Then reads out a message from the queue.
 1362 
but no more than given time. Then reads out a message from the queue.
1363 
 
 1363 
 
1364 
Parameters:
 1364 
Parameters:
1365 
  * eax = 23 - function number
 1365 
  * eax = 23 - function number
1366 
  * ebx = timeout (in 1/100 of second)
 1366 
  * ebx = timeout (in 1/100 of second)
1367 
Returned value:
 1367 
Returned value:
1368 
  * eax = 0 - the message queue is empty
 1368 
  * eax = 0 - the message queue is empty
1369 
  * otherwise eax = event (see the list of events)
 1369 
  * otherwise eax = event (see the list of events)
1370 
Remarks:
 1370 
Remarks:
1371 
  * Only those events are taken into account, which enter into
 1371 
  * Only those events are taken into account, which enter into
1372 
    the mask set by function 40. By default it is
 1372 
    the mask set by function 40. By default it is
1373 
    redraw, key and button events.
 1373 
    redraw, key and button events.
1374 
  * To check for presence of a message in the queue use function 11.
 1374 
  * To check for presence of a message in the queue use function 11.
1375 
    To wait without timeout use function 10.
 1375 
    To wait without timeout use function 10.
1376 
  * Transmission ebx=0 results in immediate returning eax=0.
 1376 
  * Transmission ebx=0 results in immediate returning eax=0.
1377 
  * Current implementation returns immediately with eax=0,
 1377 
  * Current implementation returns immediately with eax=0,
1378 
    if the addition of ebx with the current value of time counter
 1378 
    if the addition of ebx with the current value of time counter
1379 
    makes 32-bit overflow.
 1379 
    makes 32-bit overflow.
1380 
 
 1380 
 
1381 
======================================================================
 1381 
======================================================================
1382 
======== Function 24, subfunction 1 - begin to play CD-audio. ========
 1382 
======== Function 24, subfunction 1 - begin to play CD-audio. ========
1383 
======================================================================
 1383 
======================================================================
1384 
Parameters:
 1384 
Parameters:
1385 
  * eax = 24 - function number
 1385 
  * eax = 24 - function number
1386 
  * ebx = 1 - subfunction number
 1386 
  * ebx = 1 - subfunction number
1387 
  * ecx = 0x00FRSSMM, where
 1387 
  * ecx = 0x00FRSSMM, where
1388 
    * MM = starting minute
 1388 
    * MM = starting minute
1389 
    * SS = starting second
 1389 
    * SS = starting second
1390 
    * FR = starting frame
 1390 
    * FR = starting frame
1391 
Returned value:
 1391 
Returned value:
1392 
  * eax = 0 - success
 1392 
  * eax = 0 - success
1393 
  * eax = 1 - CD base is not defined
 1393 
  * eax = 1 - CD base is not defined
1394 
Remarks:
 1394 
Remarks:
1395 
  * Previously CD base must be defined by the call to
1395 
  * Previously CD base must be defined by the call to
1396 
    subfunction 3 of function 21.
 1396 
    subfunction 3 of function 21.
1397 
  * One second includes 75 frames, one minute includes 60 seconds.
 1397 
  * One second includes 75 frames, one minute includes 60 seconds.
1398 
  * The function is asynchronous (returns control, when play begins).
 1398 
  * The function is asynchronous (returns control, when play begins).
1399 
 
 1399 
 
1400 
======================================================================
 1400 
======================================================================
1401 
======= Function 24, subfunction 2 - get information on tracks. ======
 1401 
======= Function 24, subfunction 2 - get information on tracks. ======
1402 
======================================================================
 1402 
======================================================================
1403 
Parameters:
 1403 
Parameters:
1404 
  * eax = 24 - function number
 1404 
  * eax = 24 - function number
1405 
  * ebx = 2 - subfunction number
 1405 
  * ebx = 2 - subfunction number
1406 
  * ecx = pointer to the buffer for the table
 1406 
  * ecx = pointer to the buffer for the table
1407 
    (maximum 8*64h+4 bytes=100 tracks)
 1407 
    (maximum 8*64h+4 bytes=100 tracks)
1408 
Returned value:
 1408 
Returned value:
1409 
  * eax = 0 - success
 1409 
  * eax = 0 - success
1410 
  * eax = 1 - CD base is not defined
 1410 
  * eax = 1 - CD base is not defined
1411 
Remarks:
 1411 
Remarks:
1412 
  * The format of the table with tracks information is the same as
 1412 
  * The format of the table with tracks information is the same as
1413 
    for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h).
 1413 
    for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h).
1414 
    Function returns addresses in MSF.
 1414 
    Function returns addresses in MSF.
1415 
  * Previously CD base port must be set by call to
1415 
  * Previously CD base port must be set by call to
1416 
    subfunction 3 of function 21.
 1416 
    subfunction 3 of function 21.
1417 
  * Function returns information only about no more than 100
 1417 
  * Function returns information only about no more than 100
1418 
    first tracks. In most cases it is enough.
 1418 
    first tracks. In most cases it is enough.
1419 
 
 1419 
 
1420 
======================================================================
 1420 
======================================================================
1421 
========== Function 24, subfunction 3 - stop play CD-audio. ==========
 1421 
========== Function 24, subfunction 3 - stop play CD-audio. ==========
1422 
======================================================================
 1422 
======================================================================
1423 
Parameters:
 1423 
Parameters:
1424 
  * eax = 24 - function number
 1424 
  * eax = 24 - function number
1425 
  * ebx = 1 - subfunction number
 1425 
  * ebx = 1 - subfunction number
1426 
Returned value:
 1426 
Returned value:
1427 
  * eax = 0 - success
 1427 
  * eax = 0 - success
1428 
  * eax = 1 - CD base is not defined
 1428 
  * eax = 1 - CD base is not defined
1429 
Çàìå÷àíèÿ:
 1429 
Çàìå÷àíèÿ:
1430 
  * Previously CD base port must be defined by call to
1430 
  * Previously CD base port must be defined by call to
1431 
    subfunction 3 of function 21.
 1431 
    subfunction 3 of function 21.
1432 
 
 1432 
 
1433 
======================================================================
 1433 
======================================================================
1434 
=================== Function 25 - set SBPro volume. ==================
 1434 
=================== Function 25 - set SBPro volume. ==================
1435 
======================================================================
 1435 
======================================================================
1436 
Parameters:
 1436 
Parameters:
1437 
  * eax = 25 - function number
 1437 
  * eax = 25 - function number
1438 
  * ebx = what to set:
 1438 
  * ebx = what to set:
1439 
    * 1 - set common volume
 1439 
    * 1 - set common volume
1440 
    * 2 - set CD-audio volume
 1440 
    * 2 - set CD-audio volume
1441 
  * cl = volume level: high 4 bits for the left column,
 1441 
  * cl = volume level: high 4 bits for the left column,
1442 
    low 4 bits for the right one
 1442 
    low 4 bits for the right one
1443 
Returned value:
 1443 
Returned value:
1444 
  * eax = 0 - success
 1444 
  * eax = 0 - success
1445 
  * eax = 1 - SB base is not defined
 1445 
  * eax = 1 - SB base is not defined
1446 
  * eax = 2 - incorrect subfunction
 1446 
  * eax = 2 - incorrect subfunction
1447 
Remarks:
 1447 
Remarks:
1448 
  * Previously SB base port must be defined by
1448 
  * Previously SB base port must be defined by
1449 
    subfunction 4 of function 21.
 1449 
    subfunction 4 of function 21.
1450 
  * See also function 28 which sets
 1450 
  * See also function 28 which sets
1451 
    volume for the later standard SB16.
 1451 
    volume for the later standard SB16.
1452 
 
 1452 
 
1453 
======================================================================
 1453 
======================================================================
1454 
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
 1454 
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
1455 
======================================================================
 1455 
======================================================================
1456 
Parameters:
 1456 
Parameters:
1457 
  * eax = 26 - function number
 1457 
  * eax = 26 - function number
1458 
  * ebx = 1 - subfunction number
 1458 
  * ebx = 1 - subfunction number
1459 
Returned value:
 1459 
Returned value:
1460 
  * eax = port number
 1460 
  * eax = port number
1461 
Parameters:
 1461 
Parameters:
1462 
  * To set base port use subfunction 1 of function 21.
 1462 
  * To set base port use subfunction 1 of function 21.
1463 
 
 1463 
 
1464 
======================================================================
 1464 
======================================================================
1465 
========== Function 26, subfunction 2 - get keyboard layout. =========
 1465 
========== Function 26, subfunction 2 - get keyboard layout. =========
1466 
======================================================================
 1466 
======================================================================
1467 
The keyboard layout is used to convert keyboard scancodes to
 1467 
The keyboard layout is used to convert keyboard scancodes to
1468 
ASCII-codes for function 2.
 1468 
ASCII-codes for function 2.
1469 
Parameters:
 1469 
Parameters:
1470 
  * eax = 26 - function number
 1470 
  * eax = 26 - function number
1471 
  * ebx = 2 - subfunction number
 1471 
  * ebx = 2 - subfunction number
1472 
  * ecx = what layout to get:
 1472 
  * ecx = what layout to get:
1473 
    * 1 = normal layout
 1473 
    * 1 = normal layout
1474 
    * 2 = layout with pressed Shift
 1474 
    * 2 = layout with pressed Shift
1475 
    * 3 = layout with pressed Alt
 1475 
    * 3 = layout with pressed Alt
1476 
  * edx = pointer to the 128-bytes buffer, where the layout will be
 1476 
  * edx = pointer to the 128-bytes buffer, where the layout will be
1477 
    copied
 1477 
    copied
1478 
Returned value:
 1478 
Returned value:
1479 
  * function does not return value
 1479 
  * function does not return value
1480 
Or:
 1480 
Or:
1481 
  * eax = 26 - function number
 1481 
  * eax = 26 - function number
1482 
  * ebx = 2 - subfunction number
 1482 
  * ebx = 2 - subfunction number
1483 
  * ecx = 9
 1483 
  * ecx = 9
1484 
Returned value:
 1484 
Returned value:
1485 
  * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
 1485 
  * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
1486 
Remarks:
 1486 
Remarks:
1487 
  * If Alt is pressed, the layout with Alt is used;
 1487 
  * If Alt is pressed, the layout with Alt is used;
1488 
    if Alt is not pressed, but Shift is pressed,
 1488 
    if Alt is not pressed, but Shift is pressed,
1489 
    the layout with Shift is used;
 1489 
    the layout with Shift is used;
1490 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
 1490 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
1491 
    layout is used and then from the code is subtracted 0x60;
 1491 
    layout is used and then from the code is subtracted 0x60;
1492 
    if no control key is pressed, the normal layout is used.
 1492 
    if no control key is pressed, the normal layout is used.
1493 
  * To set layout and country identifier use
1493 
  * To set layout and country identifier use
1494 
    subfunction 2 of function 21.
 1494 
    subfunction 2 of function 21.
1495 
  * Country identifier is global system variable, which is not used
 1495 
  * Country identifier is global system variable, which is not used
1496 
    by the kernel itself; however the application '@panel' displays
 1496 
    by the kernel itself; however the application '@panel' displays
1497 
    the corresponding icon (using this function).
 1497 
    the corresponding icon (using this function).
1498 
  * The application @panel switches layouts on user request.
 1498 
  * The application @panel switches layouts on user request.
1499 
 
 1499 
 
1500 
======================================================================
 1500 
======================================================================
1501 
============== Function 26, subfunction 3 - get CD base. =============
 1501 
============== Function 26, subfunction 3 - get CD base. =============
1502 
======================================================================
 1502 
======================================================================
1503 
Parameters:
 1503 
Parameters:
1504 
  * eax = 26 - function number
 1504 
  * eax = 26 - function number
1505 
  * ebx = 3 - subfunction number
 1505 
  * ebx = 3 - subfunction number
1506 
Returned value:
 1506 
Returned value:
1507 
  * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1507 
  * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1508 
Remarks:
 1508 
Remarks:
1509 
  * CD base is used by function 24.
 1509 
  * CD base is used by function 24.
1510 
  * To set CD base use subfunction 3 of function 21.
 1510 
  * To set CD base use subfunction 3 of function 21.
1511 
 
 1511 
 
1512 
======================================================================
 1512 
======================================================================
1513 
====== Function 26, subfunction 4 - get Sound Blaster base port. =====
 1513 
====== Function 26, subfunction 4 - get Sound Blaster base port. =====
1514 
======================================================================
 1514 
======================================================================
1515 
Parameters:
 1515 
Parameters:
1516 
  * eax = 26 - function number
 1516 
  * eax = 26 - function number
1517 
  * ebx = 4 - subfunction number
 1517 
  * ebx = 4 - subfunction number
1518 
Returned value:
 1518 
Returned value:
1519 
  * eax = base port number
 1519 
  * eax = base port number
1520 
Remarks:
 1520 
Remarks:
1521 
  * Bae port is used by functions 25, 55.
 1521 
  * Bae port is used by functions 25, 55.
1522 
  * To set base port use subfunction 4 of function 21.
 1522 
  * To set base port use subfunction 4 of function 21.
1523 
 
 1523 
 
1524 
======================================================================
 1524 
======================================================================
1525 
========== Function 26, subfunction 5 - get system language. =========
 1525 
========== Function 26, subfunction 5 - get system language. =========
1526 
======================================================================
 1526 
======================================================================
1527 
Parameters:
 1527 
Parameters:
1528 
  * eax = 26 - function number
 1528 
  * eax = 26 - function number
1529 
  * ebx = 5 - subfunction number
 1529 
  * ebx = 5 - subfunction number
1530 
Returned value:
 1530 
Returned value:
1531 
  * eax = system language (1=eng, 2=fi, 3=ger, 4=rus)
 1531 
  * eax = system language (1=eng, 2=fi, 3=ger, 4=rus)
1532 
Remarks:
 1532 
Remarks:
1533 
  * System language is global system variable and is not used
 1533 
  * System language is global system variable and is not used
1534 
    by the kernel itself, however application @panel draws the
 1534 
    by the kernel itself, however application @panel draws the
1535 
    appropriate icon (using this function).
 1535 
    appropriate icon (using this function).
1536 
  * To set system language use subfunction 5 of function 21.
 1536 
  * To set system language use subfunction 5 of function 21.
1537 
 
 1537 
 
1538 
======================================================================
 1538 
======================================================================
1539 
============== Function 26, subfunction 7 - get HD base. =============
 1539 
============== Function 26, subfunction 7 - get HD base. =============
1540 
======================================================================
 1540 
======================================================================
1541 
The HD base defines hard disk to write with usage of obsolete
 1541 
The HD base defines hard disk to write with usage of obsolete
1542 
file system functions and functions implicitly using the hard disk
 1542 
file system functions and functions implicitly using the hard disk
1543 
(such as subfunction 6 of function 18);
 1543 
(such as subfunction 6 of function 18);
1544 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1544 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1545 
these function set base themselves.
 1545 
these function set base themselves.
1546 
Parameters:
 1546 
Parameters:
1547 
  * eax = 26 - function number
 1547 
  * eax = 26 - function number
1548 
  * ebx = 7 - subfunction number
 1548 
  * ebx = 7 - subfunction number
1549 
Returned value:
 1549 
Returned value:
1550 
  * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1550 
  * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1551 
Remarks:
 1551 
Remarks:
1552 
  * Any application in any time can change HD base.
 1552 
  * Any application in any time can change HD base.
1553 
  * To set base use subfunction 7 of function 21.
 1553 
  * To set base use subfunction 7 of function 21.
1554 
  * To get used partition of hard disk use subfunction 8.
 1554 
  * To get used partition of hard disk use subfunction 8.
1555 
 
 1555 
 
1556 
======================================================================
 1556 
======================================================================
1557 
========= Function 26, subfunction 8 - get used HD partition. ========
 1557 
========= Function 26, subfunction 8 - get used HD partition. ========
1558 
======================================================================
 1558 
======================================================================
1559 
The HD partition defines partition of the hard disk to write with
 1559 
The HD partition defines partition of the hard disk to write with
1560 
usage of obsolete file system functions and functions implicitly
 1560 
usage of obsolete file system functions and functions implicitly
1561 
using the hard disk (such as subfunction 6 of function 18);
 1561 
using the hard disk (such as subfunction 6 of function 18);
1562 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1562 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1563 
these functions set base and partition themselves.
 1563 
these functions set base and partition themselves.
1564 
Parameters:
 1564 
Parameters:
1565 
  * eax = 26 - function number
 1565 
  * eax = 26 - function number
1566 
  * ebx = 8 - subfunction number
 1566 
  * ebx = 8 - subfunction number
1567 
Returned value:
 1567 
Returned value:
1568 
  * eax = HD partition (beginning from 1)
 1568 
  * eax = HD partition (beginning from 1)
1569 
Remarks:
 1569 
Remarks:
1570 
  * Any application in any time can change partition.
 1570 
  * Any application in any time can change partition.
1571 
  * To set partition use subfunction 8 of function 21.
 1571 
  * To set partition use subfunction 8 of function 21.
1572 
  * To get number of partitions on a hard disk use
 1572 
  * To get number of partitions on a hard disk use
1573 
    subfunction 11 of function 18.
 1573 
    subfunction 11 of function 18.
1574 
  * To get base of used hard disk, use subfunction 7.
 1574 
  * To get base of used hard disk, use subfunction 7.
1575 
 
 1575 
 
1576 
======================================================================
 1576 
======================================================================
1577 
=== Function 26, subfunction 9 - get the value of the time counter. ==
 1577 
=== Function 26, subfunction 9 - get the value of the time counter. ==
1578 
======================================================================
 1578 
======================================================================
1579 
Parameters:
 1579 
Parameters:
1580 
  * eax = 26 - function number
 1580 
  * eax = 26 - function number
1581 
  * ebx = 9 - subfunction number
 1581 
  * ebx = 9 - subfunction number
1582 
Returned value:
 1582 
Returned value:
1583 
  * eax = number of 1/100s of second, past from the system boot time
 1583 
  * eax = number of 1/100s of second, past from the system boot time
1584 
Remarks:
 1584 
Remarks:
1585 
  * Counter takes modulo 2^32, that correspond to a little more
 1585 
  * Counter takes modulo 2^32, that correspond to a little more
1586 
    than 497 days.
 1586 
    than 497 days.
1587 
  * To get system time use function 3.
 1587 
  * To get system time use function 3.
1588 
 
 1588 
 
1589 
======================================================================
 1589 
======================================================================
1590 
======== Function 26, subfunction 10 - get sound DMA channel. ========
 1590 
======== Function 26, subfunction 10 - get sound DMA channel. ========
1591 
======================================================================
 1591 
======================================================================
1592 
Parameters:
 1592 
Parameters:
1593 
  * eax = 26 - function number
 1593 
  * eax = 26 - function number
1594 
  * ebx = 10 - subfunction number
 1594 
  * ebx = 10 - subfunction number
1595 
Returned value:
 1595 
Returned value:
1596 
  * eax = number of the channel (from 0 to 3 inclusive)
 1596 
  * eax = number of the channel (from 0 to 3 inclusive)
1597 
Remarks:
 1597 
Remarks:
1598 
  * Number of the DMA channel is used by subfunction 1 of function 55.
 1598 
  * Number of the DMA channel is used by subfunction 1 of function 55.
1599 
  * To set the sound DMA channel use subfunction 10 of function 21.
 1599 
  * To set the sound DMA channel use subfunction 10 of function 21.
1600 
 
 1600 
 
1601 
======================================================================
 1601 
======================================================================
1602 
===================== Function 26, subfunction 11 ====================
 1602 
===================== Function 26, subfunction 11 ====================
1603 
========== Find out whether low-level HD access is enabled. ==========
 1603 
========== Find out whether low-level HD access is enabled. ==========
1604 
======================================================================
 1604 
======================================================================
1605 
Parameters:
 1605 
Parameters:
1606 
  * eax = 26 - function number
 1606 
  * eax = 26 - function number
1607 
  * ebx = 11 - subfunction number
 1607 
  * ebx = 11 - subfunction number
1608 
Returned value:
 1608 
Returned value:
1609 
  * eax = 0/1 - disabled/enabled
 1609 
  * eax = 0/1 - disabled/enabled
1610 
Remarks:
 1610 
Remarks:
1611 
  * Is used in LBA read (subfunction 8 of function 58).
 1611 
  * Is used in LBA read (subfunction 8 of function 58).
1612 
  * To set current state use subfunction 11 of function 21.
 1612 
  * To set current state use subfunction 11 of function 21.
1613 
 
 1613 
 
1614 
======================================================================
 1614 
======================================================================
1615 
===================== Function 26, subfunction 12 ====================
 1615 
===================== Function 26, subfunction 12 ====================
1616 
========== Find out whether low-level PCI access is enabled. =========
 1616 
========== Find out whether low-level PCI access is enabled. =========
1617 
======================================================================
 1617 
======================================================================
1618 
Parameters:
 1618 
Parameters:
1619 
  * eax = 26 - function number
 1619 
  * eax = 26 - function number
1620 
  * ebx = 12 - subfunction number
 1620 
  * ebx = 12 - subfunction number
1621 
Returned value:
 1621 
Returned value:
1622 
  * eax = 0/1 - disabled/enabled
 1622 
  * eax = 0/1 - disabled/enabled
1623 
Remarks:
 1623 
Remarks:
1624 
  * Is used by operations with PCI bus (function 62).
 1624 
  * Is used by operations with PCI bus (function 62).
1625 
  * The current implementation uses only low bit of ecx.
 1625 
  * The current implementation uses only low bit of ecx.
1626 
  * To set the current state use subfunction 12 of function 21.
 1626 
  * To set the current state use subfunction 12 of function 21.
1627 
 
 1627 
 
1628 
======================================================================
 1628 
======================================================================
1629 
=================== Function 28 - set SB16 volume. ===================
 1629 
=================== Function 28 - set SB16 volume. ===================
1630 
======================================================================
 1630 
======================================================================
1631 
Parameters:
 1631 
Parameters:
1632 
  * eax = 28 - function number
 1632 
  * eax = 28 - function number
1633 
  * ebx = what to install:
 1633 
  * ebx = what to install:
1634 
    * 1 - install common volume
 1634 
    * 1 - install common volume
1635 
    * 2 - install CD-audio volume
 1635 
    * 2 - install CD-audio volume
1636 
  * cl = volume level (0=off, 0xFF=max)
 1636 
  * cl = volume level (0=off, 0xFF=max)
1637 
Returned value:
 1637 
Returned value:
1638 
  * eax = 0 - success
 1638 
  * eax = 0 - success
1639 
  * eax = 1 - SB base is not defined
 1639 
  * eax = 1 - SB base is not defined
1640 
  * eax = 2 - incorrect subfunction
 1640 
  * eax = 2 - incorrect subfunction
1641 
Remarks:
 1641 
Remarks:
1642 
  * Previously SB base port must be defined by
 1642 
  * Previously SB base port must be defined by
1643 
    subfunction 4 of function 21.
 1643 
    subfunction 4 of function 21.
1644 
  * This function gives more variants for volume, that function 25.
 1644 
  * This function gives more variants for volume, that function 25.
1645 
 
 1645 
 
1646 
======================================================================
 1646 
======================================================================
1647 
=================== Function 29 - get system date. ===================
 1647 
=================== Function 29 - get system date. ===================
1648 
======================================================================
 1648 
======================================================================
1649 
Parameters:
 1649 
Parameters:
1650 
  * eax = 29 - function number
 1650 
  * eax = 29 - function number
1651 
Returned value:
 1651 
Returned value:
1652 
  * eax = 0x00DDMMYY, where
 1652 
  * eax = 0x00DDMMYY, where
1653 
    (binary-decimal coding, BCD, is used)
 1653 
    (binary-decimal coding, BCD, is used)
1654 
  * YY = two low digits of year (00..99)
 1654 
  * YY = two low digits of year (00..99)
1655 
  * MM = month (01..12)
 1655 
  * MM = month (01..12)
1656 
  * DD = day (01..31)
 1656 
  * DD = day (01..31)
1657 
Remarks:
 1657 
Remarks:
1658 
  * To set system date use function 22.
 1658 
  * To set system date use function 22.
1659 
 
 1659 
 
1660 
======================================================================
 1660 
======================================================================
1661 
=============== Function 32 - delete file from ramdisk. ==============
 1661 
=============== Function 32 - delete file from ramdisk. ==============
1662 
======================================================================
 1662 
======================================================================
1663 
Parameters:
 1663 
Parameters:
1664 
  * eax = 32 - function number
 1664 
  * eax = 32 - function number
1665 
  * ebx = pointer to the filename
 1665 
  * ebx = pointer to the filename
1666 
Returned value:
 1666 
Returned value:
1667 
  * eax = 0 - success; otherwise file system error code
 1667 
  * eax = 0 - success; otherwise file system error code
1668 
Remarks:
 1668 
Remarks:
1669 
  * This function is obsolete; function 58 allows to fulfill
 1669 
  * This function is obsolete; function 58 allows to fulfill
1670 
    the same operations with the extended possibilities.
 1670 
    the same operations with the extended possibilities.
1671 
  * The current implementation returns only values 0(success) and
 1671 
  * The current implementation returns only values 0(success) and
1672 
    5(file not found).
 1672 
    5(file not found).
1673 
  * The filename must be either in the format 8+3 characters
 1673 
  * The filename must be either in the format 8+3 characters
1674 
    (first 8 characters - name itself, last 3 - extension,
 1674 
    (first 8 characters - name itself, last 3 - extension,
1675 
    the short names and extensions are supplemented with spaces),
 1675 
    the short names and extensions are supplemented with spaces),
1676 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 1676 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
1677 
    (name no more than 8 characters, dot, extension 3 characters
 1677 
    (name no more than 8 characters, dot, extension 3 characters
1678 
    supplemented if necessary by spaces).
 1678 
    supplemented if necessary by spaces).
1679 
    The filename must be written with capital letters. The terminating
 1679 
    The filename must be written with capital letters. The terminating
1680 
    character with code 0 is not necessary (not ASCIIZ-string).
 1680 
    character with code 0 is not necessary (not ASCIIZ-string).
1681 
  * This function does not support folders on the ramdisk.
 1681 
  * This function does not support folders on the ramdisk.
1682 
 
 1682 
 
1683 
======================================================================
 1683 
======================================================================
1684 
================ Function 33 - write file to ramdisk. ================
 1684 
================ Function 33 - write file to ramdisk. ================
1685 
======================================================================
 1685 
======================================================================
1686 
Parameters:
 1686 
Parameters:
1687 
  * eax = 33 - function number
 1687 
  * eax = 33 - function number
1688 
  * ebx = pointer to the filename
 1688 
  * ebx = pointer to the filename
1689 
  * ecx = pointer to data for writing
 1689 
  * ecx = pointer to data for writing
1690 
  * edx = number of bytes for writing
 1690 
  * edx = number of bytes for writing
1691 
  * should be set esi=0
 1691 
  * should be set esi=0
1692 
Returned value:
 1692 
Returned value:
1693 
  * eax = 0 - success, otherwise file system error code
 1693 
  * eax = 0 - success, otherwise file system error code
1694 
Remarks:
 1694 
Remarks:
1695 
  * This function is obsolete; function 70 allows to fulfil
 1695 
  * This function is obsolete; function 70 allows to fulfil
1696 
    the same operations with extended possibilities.
 1696 
    the same operations with extended possibilities.
1697 
  * If esi contains non-zero value and selected file already exists,
 1697 
  * If esi contains non-zero value and selected file already exists,
1698 
    one more file with the same name will be created.
 1698 
    one more file with the same name will be created.
1699 
  * Otherwise file will be overwritten.
 1699 
  * Otherwise file will be overwritten.
1700 
  * The filename must be either in the format 8+3 characters
 1700 
  * The filename must be either in the format 8+3 characters
1701 
    (first 8 characters - name itself, last 3 - extension,
 1701 
    (first 8 characters - name itself, last 3 - extension,
1702 
    the short names and extensions are supplemented with spaces),
 1702 
    the short names and extensions are supplemented with spaces),
1703 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 1703 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
1704 
    (name no more than 8 characters, dot, extension 3 characters
 1704 
    (name no more than 8 characters, dot, extension 3 characters
1705 
    supplemented if necessary by spaces).
 1705 
    supplemented if necessary by spaces).
1706 
    The filename must be written with capital letters. The terminating
 1706 
    The filename must be written with capital letters. The terminating
1707 
    character with code 0 is not necessary (not ASCIIZ-string).
 1707 
    character with code 0 is not necessary (not ASCIIZ-string).
1708 
  * This function does not support folders on the ramdisk.
 1708 
  * This function does not support folders on the ramdisk.
1709 
 
 1709 
 
1710 
======================================================================
 1710 
======================================================================
1711 
======= Function 35 - read the color of a pixel on the screen. =======
 1711 
======= Function 35 - read the color of a pixel on the screen. =======
1712 
======================================================================
 1712 
======================================================================
1713 
Parameters:
 1713 
Parameters:
1714 
  * eax = 35
 1714 
  * eax = 35
1715 
  * ebx = y*xsize+x, where
 1715 
  * ebx = y*xsize+x, where
1716 
  * (x,y) = coordinates of a pixel (beginning from 0)
 1716 
  * (x,y) = coordinates of a pixel (beginning from 0)
1717 
  * xsize = horizontal screen size
 1717 
  * xsize = horizontal screen size
1718 
Returned value:
 1718 
Returned value:
1719 
  * eax = color 0x00RRGGBB
 1719 
  * eax = color 0x00RRGGBB
1720 
Remarks:
 1720 
Remarks:
1721 
  * To get screen sizes use function 14. Pay attention,
 1721 
  * To get screen sizes use function 14. Pay attention,
1722 
    that it subtracts 1 from both sizes.
 1722 
    that it subtracts 1 from both sizes.
1723 
  * There is also direct access (without any system calls)
 1723 
  * There is also direct access (without any system calls)
1724 
    to videomemory through the selector gs. To get parameters of
 1724 
    to videomemory through the selector gs. To get parameters of
1725 
    the current videomode, use function 61.
 1725 
    the current videomode, use function 61.
1726 
 
 1726 
 
1727 
======================================================================
 1727 
======================================================================
1728 
=================== Function 37 - work with mouse. ===================
 1728 
=================== Function 37 - work with mouse. ===================
1729 
======================================================================
 1729 
======================================================================
1730 
 
 1730 
 
1731 
---------- Subfunction 0 - screen coordinates of the mouse -----------
 1731 
---------- Subfunction 0 - screen coordinates of the mouse -----------
1732 
Parameters:
 1732 
Parameters:
1733 
  * eax = 37 - function number
 1733 
  * eax = 37 - function number
1734 
  * ebx = 0 - subfunction number
 1734 
  * ebx = 0 - subfunction number
1735 
Returned value:
 1735 
Returned value:
1736 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
 1736 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
1737 
    (beginning from 0)
 1737 
    (beginning from 0)
1738 
 
 1738 
 
1739 
-- Subfunction 1 - coordinates of the mouse relative to the window ---
 1739 
-- Subfunction 1 - coordinates of the mouse relative to the window ---
1740 
Parameters:
 1740 
Parameters:
1741 
  * eax = 37 - function number
 1741 
  * eax = 37 - function number
1742 
  * ebx = 1 - subfunction number
 1742 
  * ebx = 1 - subfunction number
1743 
Returned value:
 1743 
Returned value:
1744 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
 1744 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
1745 
    relative to the application window (beginning from 0)
 1745 
    relative to the application window (beginning from 0)
1746 
Remarks:
 1746 
Remarks:
1747 
  * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd).
 1747 
  * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd).
1748 
    If y>=ywnd, the low word is non-negative and contains
 1748 
    If y>=ywnd, the low word is non-negative and contains
1749 
    relative y-coordinate, and the high word - relative x-coordinate
 1749 
    relative y-coordinate, and the high word - relative x-coordinate
1750 
    (with correct sign). Otherwise the low word is negative and still
 1750 
    (with correct sign). Otherwise the low word is negative and still
1751 
    contains relative y-coordinate, and to the high word
 1751 
    contains relative y-coordinate, and to the high word
1752 
    1 should be added.
 1752 
    1 should be added.
1753 
 
 1753 
 
1754 
------------ Subfunction 2 - pressed buttons of the mouse ------------
 1754 
------------ Subfunction 2 - pressed buttons of the mouse ------------
1755 
Parameters:
 1755 
Parameters:
1756 
  * eax = 37 - function number
 1756 
  * eax = 37 - function number
1757 
  * ebx = 2 - subfunction number
 1757 
  * ebx = 2 - subfunction number
1758 
Returned value:
 1758 
Returned value:
1759 
  * eax contains information on the pressed mouse buttons:
 1759 
  * eax contains information on the pressed mouse buttons:
1760 
  * bit 0 is set = left button is pressed
 1760 
  * bit 0 is set = left button is pressed
1761 
  * bit 1 is set = right button is pressed
 1761 
  * bit 1 is set = right button is pressed
1762 
  * other bits are cleared
 1762 
  * other bits are cleared
1763 
 
 1763 
 
1764 
-------------------- Subfunction 4 - load cursor ---------------------
 1764 
-------------------- Subfunction 4 - load cursor ---------------------
1765 
Parameters:
 1765 
Parameters:
1766 
  * eax = 37 - function number
 1766 
  * eax = 37 - function number
1767 
  * ebx = 4 - subfunction number
 1767 
  * ebx = 4 - subfunction number
1768 
  * dx = data source:
 1768 
  * dx = data source:
1769 
  * dx = LOAD_FROM_FILE = 0 - data in a file
 1769 
  * dx = LOAD_FROM_FILE = 0 - data in a file
1770 
    * ecx = pointer to full path to the cursor file
 1770 
    * ecx = pointer to full path to the cursor file
1771 
    * the file must be in the format .cur, which is standard for
 1771 
    * the file must be in the format .cur, which is standard for
1772 
      MS Windows, at that of the size 32*32 pixels
 1772 
      MS Windows, at that of the size 32*32 pixels
1773 
  * dx = LOAD_FROM_MEM = 1 - data of file are already loaded in memory
 1773 
  * dx = LOAD_FROM_MEM = 1 - data of file are already loaded in memory
1774 
    * ecx = pointer to data of the cursor file
 1774 
    * ecx = pointer to data of the cursor file
1775 
    * the data format is the same as in the previous case
 1775 
    * the data format is the same as in the previous case
1776 
  * dx = LOAD_INDIRECT = 2 - data in memory
 1776 
  * dx = LOAD_INDIRECT = 2 - data in memory
1777 
    * ecx = pointer to cursor image in the format ARGB 32*32 pixels
 1777 
    * ecx = pointer to cursor image in the format ARGB 32*32 pixels
1778 
    * edx = 0xXXYY0002, where
 1778 
    * edx = 0xXXYY0002, where
1779 
      * XX = x-coordinate of cursor hotspot
 1779 
      * XX = x-coordinate of cursor hotspot
1780 
      * YY = y-coordinate
 1780 
      * YY = y-coordinate
1781 
      * 0 <= XX, YY <= 31
 1781 
      * 0 <= XX, YY <= 31
1782 
Returned value:
 1782 
Returned value:
1783 
  * eax = 0 - failed
 1783 
  * eax = 0 - failed
1784 
  * otherwise eax = cursor handle
 1784 
  * otherwise eax = cursor handle
1785 
 
 1785 
 
1786 
--------------------- Subfunction 5 - set cursor ---------------------
 1786 
--------------------- Subfunction 5 - set cursor ---------------------
1787 
Sets new cursor for the window of the current thread.
 1787 
Sets new cursor for the window of the current thread.
1788 
Parameters:
 1788 
Parameters:
1789 
  * eax = 37 - function number
 1789 
  * eax = 37 - function number
1790 
  * ebx = 5 - subfunction number
 1790 
  * ebx = 5 - subfunction number
1791 
  * ecx = cursor handle
 1791 
  * ecx = cursor handle
1792 
Returned value:
 1792 
Returned value:
1793 
  * eax = handle of previous cursor
 1793 
  * eax = handle of previous cursor
1794 
Remarks:
 1794 
Remarks:
1795 
  * If the handle is incorrect, the function restores the default
 1795 
  * If the handle is incorrect, the function restores the default
1796 
    cursor (standard arrow). In particular, ecx=0 restores it.
 1796 
    cursor (standard arrow). In particular, ecx=0 restores it.
1797 
 
 1797 
 
1798 
------------------- Subfunction 6 - delete cursor --------------------
 1798 
------------------- Subfunction 6 - delete cursor --------------------
1799 
Parameters:
 1799 
Parameters:
1800 
  * eax = 37 - function number
 1800 
  * eax = 37 - function number
1801 
  * ebx = 6 - subfunction number
 1801 
  * ebx = 6 - subfunction number
1802 
  * ecx = cursor handle
 1802 
  * ecx = cursor handle
1803 
Returned value:
 1803 
Returned value:
1804 
  * eax destroyed
 1804 
  * eax destroyed
1805 
Remarks:
 1805 
Remarks:
1806 
  * The cursor must be loaded previously by the current thread
 1806 
  * The cursor must be loaded previously by the current thread
1807 
    (with the call to subfunction 4). The function does not delete
 1807 
    (with the call to subfunction 4). The function does not delete
1808 
    system cursors and cursors, loaded by another applications.
 1808 
    system cursors and cursors, loaded by another applications.
1809 
  * If the active cursor (set by subfunction 5) is deleted,
 1809 
  * If the active cursor (set by subfunction 5) is deleted,
1810 
    the system restores the default cursor (standard arrow).
 1810 
    the system restores the default cursor (standard arrow).
1811 
 
 1811 
 
1812 
======================================================================
 1812 
======================================================================
1813 
====================== Function 38 - draw line. ======================
 1813 
====================== Function 38 - draw line. ======================
1814 
======================================================================
 1814 
======================================================================
1815 
Parameters:
 1815 
Parameters:
1816 
  * eax = 38 - function number
 1816 
  * eax = 38 - function number
1817 
  * ebx = [start coordinate on axis x]*65536 +
 1817 
  * ebx = [start coordinate on axis x]*65536 +
1818 
              [end coordinate on axis x]
 1818 
              [end coordinate on axis x]
1819 
  * ecx = [start coordinate on axis y]*65536 +
 1819 
  * ecx = [start coordinate on axis y]*65536 +
1820 
              [end coordinate on axis y]
 1820 
              [end coordinate on axis y]
1821 
  * edx = 0x00RRGGBB - color
 1821 
  * edx = 0x00RRGGBB - color
1822 
    edx = 0x01xxxxxx - draw inversed line
 1822 
    edx = 0x01xxxxxx - draw inversed line
1823 
          (low 24 bits are ignored)
 1823 
          (low 24 bits are ignored)
1824 
Returned value:
 1824 
Returned value:
1825 
  * function does not return value
 1825 
  * function does not return value
1826 
Remarks:
 1826 
Remarks:
1827 
  * Coordinates are relative to the window.
 1827 
  * Coordinates are relative to the window.
1828 
  * End point is also drawn.
 1828 
  * End point is also drawn.
1829 
 
 1829 
 
1830 
======================================================================
 1830 
======================================================================
1831 
== Function 39, subfunction 1 - get a size of the background image. ==
 1831 
== Function 39, subfunction 1 - get a size of the background image. ==
1832 
======================================================================
 1832 
======================================================================
1833 
Parameters:
 1833 
Parameters:
1834 
  * eax = 39 - function number
 1834 
  * eax = 39 - function number
1835 
  * ebx = 1 - subfunction number
 1835 
  * ebx = 1 - subfunction number
1836 
Returned value:
 1836 
Returned value:
1837 
  * eax = [width]*65536 + [height]
 1837 
  * eax = [width]*65536 + [height]
1838 
Remarks:
 1838 
Remarks:
1839 
  * There is a pair function to set sizes of background image -
 1839 
  * There is a pair function to set sizes of background image -
1840 
    subfunction 1 of function 15. After which it is necessary,
 1840 
    subfunction 1 of function 15. After which it is necessary,
1841 
    of course, anew to define image.
 1841 
    of course, anew to define image.
1842 
 
 1842 
 
1843 
======================================================================
 1843 
======================================================================
1844 
== Function 39, subfunction 2 - get pixel from the background image. =
 1844 
== Function 39, subfunction 2 - get pixel from the background image. =
1845 
======================================================================
 1845 
======================================================================
1846 
Parameters:
 1846 
Parameters:
1847 
  * eax = 39 - function number
 1847 
  * eax = 39 - function number
1848 
  * ebx = 2 - subfunction number
 1848 
  * ebx = 2 - subfunction number
1849 
  * ecx = offset
 1849 
  * ecx = offset
1850 
Returned value:
 1850 
Returned value:
1851 
  * eax = 0x00RRGGBB - pixel color, if offset is valid
 1851 
  * eax = 0x00RRGGBB - pixel color, if offset is valid
1852 
    (less than 0x160000-16)
 1852 
    (less than 0x160000-16)
1853 
  * eax = 2 otherwise
 1853 
  * eax = 2 otherwise
1854 
Remarks:
 1854 
Remarks:
1855 
  * Do not rely on returned value for invalid offsets, it may be
 1855 
  * Do not rely on returned value for invalid offsets, it may be
1856 
    changed in future kernel versions.
 1856 
    changed in future kernel versions.
1857 
  * Offset for pixel with coordinates (x,y)
 1857 
  * Offset for pixel with coordinates (x,y)
1858 
    is calculated as (x+y*xsize)*3.
 1858 
    is calculated as (x+y*xsize)*3.
1859 
  * There is a pair function to set pixel on the background image -
1859 
  * There is a pair function to set pixel on the background image -
1860 
    subfunction 2 of function 15.
 1860 
    subfunction 2 of function 15.
1861 
 
 1861 
 
1862 
======================================================================
 1862 
======================================================================
1863 
== Function 39, subfunction 4 - get drawing mode for the background. =
 1863 
== Function 39, subfunction 4 - get drawing mode for the background. =
1864 
======================================================================
 1864 
======================================================================
1865 
Parameters:
 1865 
Parameters:
1866 
  * eax = 39 - function number
 1866 
  * eax = 39 - function number
1867 
  * ebx = 4 - subfunction number
 1867 
  * ebx = 4 - subfunction number
1868 
Returned value:
 1868 
Returned value:
1869 
  * eax = 1 - tile
 1869 
  * eax = 1 - tile
1870 
  * eax = 2 - stretch
 1870 
  * eax = 2 - stretch
1871 
Remarks:
 1871 
Remarks:
1872 
  * There is a pair function to set drawing mode -
1872 
  * There is a pair function to set drawing mode -
1873 
    subfunction 4 of function 15.
 1873 
    subfunction 4 of function 15.
1874 
 
 1874 
 
1875 
======================================================================
 1875 
======================================================================
1876 
=========== Function 40 - set the mask for expected events. ==========
 1876 
=========== Function 40 - set the mask for expected events. ==========
1877 
======================================================================
 1877 
======================================================================
1878 
The mask for expected events affects function working with events
 1878 
The mask for expected events affects function working with events
1879 
10, 11, 23 - they notify only about events allowed by this mask.
 1879 
10, 11, 23 - they notify only about events allowed by this mask.
1880 
Parameters:
 1880 
Parameters:
1881 
  * eax = 40 - function number
 1881 
  * eax = 40 - function number
1882 
  * ebx = mask: bit i corresponds to event i+1 (see list of events)
 1882 
  * ebx = mask: bit i corresponds to event i+1 (see list of events)
1883 
    (set bit permits notice on event)
 1883 
    (set bit permits notice on event)
1884 
Returned value:
 1884 
Returned value:
1885 
  * function does not return value
 1885 
  * function does not return value
1886 
Remarks:
 1886 
Remarks:
1887 
  * Default mask (7=111b) enables nofices about redraw,
 1887 
  * Default mask (7=111b) enables nofices about redraw,
1888 
    keys and buttons. This is enough for many applications.
 1888 
    keys and buttons. This is enough for many applications.
1889 
  * Events prohibited in the mask are saved anyway, when come;
 1889 
  * Events prohibited in the mask are saved anyway, when come;
1890 
    they are simply not informed with event functions.
 1890 
    they are simply not informed with event functions.
1891 
  * Event functions take into account the mask on moment of
 1891 
  * Event functions take into account the mask on moment of
1892 
    function call, not on moment of event arrival.
 1892 
    function call, not on moment of event arrival.
1893 
 
 1893 
 
1894 
======================================================================
 1894 
======================================================================
1895 
==================== Function 41 - get IRQ owner. ====================
 1895 
==================== Function 41 - get IRQ owner. ====================
1896 
======================================================================
 1896 
======================================================================
1897 
Parameters:
 1897 
Parameters:
1898 
  * eax = 41 - function number
 1898 
  * eax = 41 - function number
1899 
  * ebx = IRQ number, 0..15
 1899 
  * ebx = IRQ number, 0..15
1900 
Returned value:
 1900 
Returned value:
1901 
  * eax = owner PID
 1901 
  * eax = owner PID
1902 
  * eax = 0, if there is no owner
 1902 
  * eax = 0, if there is no owner
1903 
  * eax = -1 for incorrect ebx
 1903 
  * eax = -1 for incorrect ebx
1904 
 
 1904 
 
1905 
======================================================================
 1905 
======================================================================
1906 
==================== Function 42 - read IRQ data. ====================
 1906 
==================== Function 42 - read IRQ data. ====================
1907 
======================================================================
 1907 
======================================================================
1908 
When an IRQ occurs, the system reads data from ports indicated
 1908 
When an IRQ occurs, the system reads data from ports indicated
1909 
earlier by function 44 and writes this data to
 1909 
earlier by function 44 and writes this data to
1910 
internal buffer. This function reads out data from that buffer
 1910 
internal buffer. This function reads out data from that buffer
1911 
bytewise.
 1911 
bytewise.
1912 
Parameters:
 1912 
Parameters:
1913 
  * eax = 42 - function number
 1913 
  * eax = 42 - function number
1914 
  * ebx = IRQ number, 0..15
 1914 
  * ebx = IRQ number, 0..15
1915 
Returned value: (use value of ecx to distinguish)
 1915 
Returned value: (use value of ecx to distinguish)
1916 
  * if the thread is not IRQ owner (or IRQ number is incorrect):
 1916 
  * if the thread is not IRQ owner (or IRQ number is incorrect):
1917 
    * ecx = 2
 1917 
    * ecx = 2
1918 
  * if there is no data:
 1918 
  * if there is no data:
1919 
    * eax = 0
 1919 
    * eax = 0
1920 
    * ecx = 1
 1920 
    * ecx = 1
1921 
    * ebx destroyed
 1921 
    * ebx destroyed
1922 
  * if all is ok:
 1922 
  * if all is ok:
1923 
    * eax = byte size of data, not yet read from buffer
 1923 
    * eax = byte size of data, not yet read from buffer
1924 
    * ecx = 0
 1924 
    * ecx = 0
1925 
    * ebx = current byte
 1925 
    * ebx = current byte
1926 
Remarks:
 1926 
Remarks:
1927 
  * Previously the thread must reserve indicated IRQ for itself
 1927 
  * Previously the thread must reserve indicated IRQ for itself
1928 
    by function 45.
 1928 
    by function 45.
1929 
  * The size of data buffer is 4000 bytes, on overflow
 1929 
  * The size of data buffer is 4000 bytes, on overflow
1930 
    "fresh" data cease to be written in the buffer.
 1930 
    "fresh" data cease to be written in the buffer.
1931 
 
 1931 
 
1932 
======================================================================
 1932 
======================================================================
1933 
================ Function 43 - input/output to a port. ===============
 1933 
================ Function 43 - input/output to a port. ===============
1934 
======================================================================
 1934 
======================================================================
1935 
 
 1935 
 
1936 
------------------------ Output data to port -------------------------
 1936 
------------------------ Output data to port -------------------------
1937 
Parameters:
 1937 
Parameters:
1938 
  * eax = 43 - function number
 1938 
  * eax = 43 - function number
1939 
  * bl = byte for output
 1939 
  * bl = byte for output
1940 
  * ecx = port number 0xnnnn (from 0 to 0xFFFF)
 1940 
  * ecx = port number 0xnnnn (from 0 to 0xFFFF)
1941 
Returned value:
 1941 
Returned value:
1942 
  * eax = 0 - success
 1942 
  * eax = 0 - success
1943 
  * eax = 1 - the thread has not reserved the selected port
 1943 
  * eax = 1 - the thread has not reserved the selected port
1944 
 
 1944 
 
1945 
------------------------ Input data from port ------------------------
 1945 
------------------------ Input data from port ------------------------
1946 
Parameters:
 1946 
Parameters:
1947 
  * eax = 43 - function number
 1947 
  * eax = 43 - function number
1948 
  * ebx is ignored
 1948 
  * ebx is ignored
1949 
  * ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF)
 1949 
  * ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF)
1950 
Returned value:
 1950 
Returned value:
1951 
  * eax = 0 - success, thus ebx = entered byte
 1951 
  * eax = 0 - success, thus ebx = entered byte
1952 
  * eax = 1 - the thread has not reserved the selected port
 1952 
  * eax = 1 - the thread has not reserved the selected port
1953 
Remarks:
 1953 
Remarks:
1954 
  * Previously the thread must reserve the selected port
 1954 
  * Previously the thread must reserve the selected port
1955 
    for itself by function 46.
 1955 
    for itself by function 46.
1956 
  * Instead of call to this function it is better to use
 1956 
  * Instead of call to this function it is better to use
1957 
    processor instructions in/out - this is much
 1957 
    processor instructions in/out - this is much
1958 
    faster and a bit shorter and easier.
 1958 
    faster and a bit shorter and easier.
1959 
 
 1959 
 
1960 
======================================================================
 1960 
======================================================================
1961 
=========== Function 44 - define operations at IRQ arrival. ==========
 1961 
=========== Function 44 - define operations at IRQ arrival. ==========
1962 
======================================================================
 1962 
======================================================================
1963 
At IRQ arrival the system can read the data from ports defined
 1963 
At IRQ arrival the system can read the data from ports defined
1964 
by this function and write these data to internal buffer, whence
 1964 
by this function and write these data to internal buffer, whence
1965 
they can be read by ôóíêöèåé 42.
 1965 
they can be read by ôóíêöèåé 42.
1966 
Parameters:
 1966 
Parameters:
1967 
  * eax = 44 - function number
 1967 
  * eax = 44 - function number
1968 
  * ebx = pointer to the array of structures each describing one port:
 1968 
  * ebx = pointer to the array of structures each describing one port:
1969 
    * +0: word: 0 means end of array, otherwise port number
 1969 
    * +0: word: 0 means end of array, otherwise port number
1970 
    * +2: byte: reserved (ignored)
 1970 
    * +2: byte: reserved (ignored)
1971 
    * +3: byte: 1=read byte from this port, 2=read word
 1971 
    * +3: byte: 1=read byte from this port, 2=read word
1972 
  * ecx = IRQ number, 0..15
 1972 
  * ecx = IRQ number, 0..15
1973 
Returned value:
 1973 
Returned value:
1974 
  * eax = 0 - success
 1974 
  * eax = 0 - success
1975 
  * eax = 1 - the thread is not owner of selected IRQ
 1975 
  * eax = 1 - the thread is not owner of selected IRQ
1976 
Remarks:
 1976 
Remarks:
1977 
  * Previously the thread must reserve for itself selected IRQ
 1977 
  * Previously the thread must reserve for itself selected IRQ
1978 
    by function 45.
 1978 
    by function 45.
1979 
  * First 16 ports are considered only.
 1979 
  * First 16 ports are considered only.
1980 
  * The current implementation considers incorrect value of field +3
 1980 
  * The current implementation considers incorrect value of field +3
1981 
    as a signal to terminate IRQ processing.
 1981 
    as a signal to terminate IRQ processing.
1982 
 
 1982 
 
1983 
======================================================================
 1983 
======================================================================
1984 
=================== Function 45 - reserve/free IRQ. ==================
 1984 
=================== Function 45 - reserve/free IRQ. ==================
1985 
======================================================================
 1985 
======================================================================
1986 
Parameters:
 1986 
Parameters:
1987 
  * eax = 45 - function number
 1987 
  * eax = 45 - function number
1988 
  * ebx = 0 - reserve, 1 = free
 1988 
  * ebx = 0 - reserve, 1 = free
1989 
  * ecx = IRQ number, 0..15
 1989 
  * ecx = IRQ number, 0..15
1990 
Returned value:
 1990 
Returned value:
1991 
  * eax = 0 - success
 1991 
  * eax = 0 - success
1992 
  * eax = 1 - error (invalid IRQ number
 1992 
  * eax = 1 - error (invalid IRQ number
1993 
    or attempt to reserve not free IRQ
 1993 
    or attempt to reserve not free IRQ
1994 
    or to free IRQ, not reserved by this thread)
 1994 
    or to free IRQ, not reserved by this thread)
1995 
Remarks:
 1995 
Remarks:
1996 
  * IRQ reservation is required for functions 42 and 44.
 1996 
  * IRQ reservation is required for functions 42 and 44.
1997 
  * Only one thread can reserve the specific IRQ.
 1997 
  * Only one thread can reserve the specific IRQ.
1998 
  * IRQs, handled by the system itself, are reserved by the system
 1998 
  * IRQs, handled by the system itself, are reserved by the system
1999 
    (thread 1) at booting.
 1999 
    (thread 1) at booting.
2000 
  * When a thread terminates, all reserved by it IRQs
 2000 
  * When a thread terminates, all reserved by it IRQs
2001 
    are freed automatically.
 2001 
    are freed automatically.
2002 
 
 2002 
 
2003 
======================================================================
 2003 
======================================================================
2004 
====== Function 46 - reserve/free a group of input/output ports. =====
 2004 
====== Function 46 - reserve/free a group of input/output ports. =====
2005 
======================================================================
 2005 
======================================================================
2006 
To work with reserved ports an application can access directly by
 2006 
To work with reserved ports an application can access directly by
2007 
commands in/out (recommended way) and can use function 43
 2007 
commands in/out (recommended way) and can use function 43
2008 
(not recommended way).
 2008 
(not recommended way).
2009 
Parameters:
 2009 
Parameters:
2010 
  * eax = 46 - function number
 2010 
  * eax = 46 - function number
2011 
  * ebx = 0 - reserve, 1 - free
 2011 
  * ebx = 0 - reserve, 1 - free
2012 
  * ecx = start port number
 2012 
  * ecx = start port number
2013 
  * edx = end port number (inclusive)
 2013 
  * edx = end port number (inclusive)
2014 
Returned value:
 2014 
Returned value:
2015 
  * eax = 0 - success
 2015 
  * eax = 0 - success
2016 
  * eax = 1 - error
 2016 
  * eax = 1 - error
2017 
Remarks:
 2017 
Remarks:
2018 
  * For ports reservation: an error occurs if and only if
 2018 
  * For ports reservation: an error occurs if and only if
2019 
    one from the following condition satisfies:
 2019 
    one from the following condition satisfies:
2020 
    * start port is more than end port;
 2020 
    * start port is more than end port;
2021 
    * the selected range contains incorrect port number
 2021 
    * the selected range contains incorrect port number
2022 
      (correct are from 0 to 0xFFFF);
 2022 
      (correct are from 0 to 0xFFFF);
2023 
    * limit for the total number of reserved areas is exceeded
 2023 
    * limit for the total number of reserved areas is exceeded
2024 
      (maximum 255 are allowed);
 2024 
      (maximum 255 are allowed);
2025 
    * the selected range intersects with any of earlier reserved
 2025 
    * the selected range intersects with any of earlier reserved
2026 
  * For ports free: an error is an attempt to free range,
 2026 
  * For ports free: an error is an attempt to free range,
2027 
    that was not earlier reserved by this function
 2027 
    that was not earlier reserved by this function
2028 
    (with same ecx,edx).
 2028 
    (with same ecx,edx).
2029 
  * If an error occurs (for both cases) function performs no action.
 2029 
  * If an error occurs (for both cases) function performs no action.
2030 
  * At booting the system reserves for itself ports
 2030 
  * At booting the system reserves for itself ports
2031 
    0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (inclusively).
 2031 
    0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (inclusively).
2032 
  * When a thread terminates, all reserved by it ports
 2032 
  * When a thread terminates, all reserved by it ports
2033 
    are freed automatically.
 2033 
    are freed automatically.
2034 
 
 2034 
 
2035 
======================================================================
 2035 
======================================================================
2036 
============= Function 47 - draw a number in the window. =============
 2036 
============= Function 47 - draw a number in the window. =============
2037 
======================================================================
 2037 
======================================================================
2038 
Parameters:
 2038 
Parameters:
2039 
  * eax = 47 - function number
 2039 
  * eax = 47 - function number
2040 
  * ebx = parameters of conversion number to text:
 2040 
  * ebx = parameters of conversion number to text:
2041 
    * bl = 0 - ecx contains number
 2041 
    * bl = 0 - ecx contains number
2042 
    * bl = 1 - ecx contains pointer to dword-number
 2042 
    * bl = 1 - ecx contains pointer to dword-number
2043 
    * bh = 0 - display in decimal number system
 2043 
    * bh = 0 - display in decimal number system
2044 
    * bh = 1 - display in hexadecimal system
 2044 
    * bh = 1 - display in hexadecimal system
2045 
    * bh = 2 - display in binary system
 2045 
    * bh = 2 - display in binary system
2046 
    * áèòû 16-21 = how many digits to display
 2046 
    * áèòû 16-21 = how many digits to display
2047 
    * áèòû 22-31 reserved and must be set to 0
 2047 
    * áèòû 22-31 reserved and must be set to 0
2048 
  * ecx = number (if bl=0) or pointer (if bl=1)
 2048 
  * ecx = number (if bl=0) or pointer (if bl=1)
2049 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 2049 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
2050 
  * esi = 0xX0RRGGBB:
 2050 
  * esi = 0xX0RRGGBB:
2051 
    * RR, GG, BB specify the color
 2051 
    * RR, GG, BB specify the color
2052 
    * X = ABnn (bits)
 2052 
    * X = ABnn (bits)
2053 
    * nn = font (0/1)
 2053 
    * nn = font (0/1)
2054 
    * A is ignored
 2054 
    * A is ignored
2055 
    * B=1 - fill background with the color edi
 2055 
    * B=1 - fill background with the color edi
2056 
Returned value:
 2056 
Returned value:
2057 
  * function does not return value
 2057 
  * function does not return value
2058 
Remarks:
 2058 
Remarks:
2059 
  * The given length must not exceed 60.
 2059 
  * The given length must not exceed 60.
2060 
  * The exactly given amount of digits is output. If number is small
 2060 
  * The exactly given amount of digits is output. If number is small
2061 
    and can be written by smaller amount of digits, it is supplemented
 2061 
    and can be written by smaller amount of digits, it is supplemented
2062 
    by leading zeroes; if the number is big and can not be written by
 2062 
    by leading zeroes; if the number is big and can not be written by
2063 
    given amount of digits, extra digits are not drawn.
 2063 
    given amount of digits, extra digits are not drawn.
2064 
  * Parameters of fonts are shown in the description of function 4
 2064 
  * Parameters of fonts are shown in the description of function 4
2065 
    (text output).
 2065 
    (text output).
2066 
 
 2066 
 
2067 
======================================================================
 2067 
======================================================================
2068 
========= Function 48, subfunction 0 - apply screen settings. ========
 2068 
========= Function 48, subfunction 0 - apply screen settings. ========
2069 
======================================================================
 2069 
======================================================================
2070 
Parameters:
 2070 
Parameters:
2071 
  * eax = 48 - function number
 2071 
  * eax = 48 - function number
2072 
  * ebx = 0 - subfunction number
 2072 
  * ebx = 0 - subfunction number
2073 
  * ecx = 0 - reserved
 2073 
  * ecx = 0 - reserved
2074 
Returned value:
 2074 
Returned value:
2075 
  * function does not return value
 2075 
  * function does not return value
2076 
Remarks:
 2076 
Remarks:
2077 
  * Function redraws the screen after parameters change by
 2077 
  * Function redraws the screen after parameters change by
2078 
    subfunctions 1 and 2.
 2078 
    subfunctions 1 and 2.
2079 
  * Function call without prior call to one of indicated subfunctions
 2079 
  * Function call without prior call to one of indicated subfunctions
2080 
    is ignored.
 2080 
    is ignored.
2081 
  * Function call with nonzero ecx is ignored.
 2081 
  * Function call with nonzero ecx is ignored.
2082 
 
 2082 
 
2083 
======================================================================
 2083 
======================================================================
2084 
=========== Function 48, subfunction 1 - set button style. ===========
 2084 
=========== Function 48, subfunction 1 - set button style. ===========
2085 
======================================================================
 2085 
======================================================================
2086 
Parameters:
 2086 
Parameters:
2087 
  * eax = 48 - function number
 2087 
  * eax = 48 - function number
2088 
  * ebx = 1 - subfunction number
 2088 
  * ebx = 1 - subfunction number
2089 
  * ecx = button style:
 2089 
  * ecx = button style:
2090 
    * 0 = flat
 2090 
    * 0 = flat
2091 
    * 1 = 3d
 2091 
    * 1 = 3d
2092 
Returned value:
 2092 
Returned value:
2093 
  * function does not return value
 2093 
  * function does not return value
2094 
Remarks:
 2094 
Remarks:
2095 
  * After call to this function one should redraw the screen by
 2095 
  * After call to this function one should redraw the screen by
2096 
    subfunction 0.
 2096 
    subfunction 0.
2097 
  * Button style influences only to their draw of function 8.
 2097 
  * Button style influences only to their draw of function 8.
2098 
 
 2098 
 
2099 
======================================================================
 2099 
======================================================================
2100 
====== Function 48, subfunction 2 - set standard window colors. ======
 2100 
====== Function 48, subfunction 2 - set standard window colors. ======
2101 
======================================================================
 2101 
======================================================================
2102 
Parameters:
 2102 
Parameters:
2103 
  * eax = 48 - function number
 2103 
  * eax = 48 - function number
2104 
  * ebx = 2 - subfunction number
 2104 
  * ebx = 2 - subfunction number
2105 
  * ecx = pointer to the color table
 2105 
  * ecx = pointer to the color table
2106 
  * edx = size of the color table
 2106 
  * edx = size of the color table
2107 
    (must be 40 bytes for future compatibility)
 2107 
    (must be 40 bytes for future compatibility)
2108 
Format of the color table is shown in description of subfunction 3.
 2108 
Format of the color table is shown in description of subfunction 3.
2109 
Returned value:
 2109 
Returned value:
2110 
  * function does not return value
 2110 
  * function does not return value
2111 
Remarks:
 2111 
Remarks:
2112 
  * After call to this function one should redraw the screen by
 2112 
  * After call to this function one should redraw the screen by
2113 
    subfunction 0.
 2113 
    subfunction 0.
2114 
  * Table of standard colors influences only to applications,
 2114 
  * Table of standard colors influences only to applications,
2115 
    which receive this table obviously (by subfunction 3)
 2115 
    which receive this table obviously (by subfunction 3)
2116 
    and use it (specifying colors from it to drawing functions).
 2116 
    and use it (specifying colors from it to drawing functions).
2117 
  * Table of standard colors is included in skin and is installed
 2117 
  * Table of standard colors is included in skin and is installed
2118 
    anew with skin installation (by subfunction 8).
 2118 
    anew with skin installation (by subfunction 8).
2119 
  * Color table can be viewed/changed interactively with
 2119 
  * Color table can be viewed/changed interactively with
2120 
    the application 'desktop'.
 2120 
    the application 'desktop'.
2121 
 
 2121 
 
2122 
======================================================================
 2122 
======================================================================
2123 
====== Function 48, subfunction 3 - get standard window colors. ======
 2123 
====== Function 48, subfunction 3 - get standard window colors. ======
2124 
======================================================================
 2124 
======================================================================
2125 
Parameters:
 2125 
Parameters:
2126 
  * eax = 48 - function number
 2126 
  * eax = 48 - function number
2127 
  * ebx = 3 - subfunction number
 2127 
  * ebx = 3 - subfunction number
2128 
  * ecx = pointer to the buffer with size edx bytes,
 2128 
  * ecx = pointer to the buffer with size edx bytes,
2129 
    where table will be written
 2129 
    where table will be written
2130 
  * edx = size of color table
 2130 
  * edx = size of color table
2131 
    (must be 40 bytes for future compatibility)
 2131 
    (must be 40 bytes for future compatibility)
2132 
Returned value:
 2132 
Returned value:
2133 
  * function does not return value
 2133 
  * function does not return value
2134 
Format of the color table:
 2134 
Format of the color table:
2135 
each item is dword-value for color 0x00RRGGBB
 2135 
each item is dword-value for color 0x00RRGGBB
2136 
  * +0: dword: frames - color of frame
 2136 
  * +0: dword: frames - color of frame
2137 
  * +4: dword: grab - color of header
 2137 
  * +4: dword: grab - color of header
2138 
  * +8: dword: grab_button - color of button on header bar
 2138 
  * +8: dword: grab_button - color of button on header bar
2139 
  * +12 = +0xC: dword: grab_button_text - color of text on button
 2139 
  * +12 = +0xC: dword: grab_button_text - color of text on button
2140 
    on header bar
 2140 
    on header bar
2141 
  * +16 = +0x10: dword: grab_text - color of text on header
 2141 
  * +16 = +0x10: dword: grab_text - color of text on header
2142 
  * +20 = +0x14: dword: work - color of working area
 2142 
  * +20 = +0x14: dword: work - color of working area
2143 
  * +24 = +0x18: dword: work_button - color of button in working area
 2143 
  * +24 = +0x18: dword: work_button - color of button in working area
2144 
  * +28 = +0x1C: dword: work_button_text - color of text on button
 2144 
  * +28 = +0x1C: dword: work_button_text - color of text on button
2145 
    in working area
 2145 
    in working area
2146 
  * +32 = +0x20: dword: work_text - color of text in working area
 2146 
  * +32 = +0x20: dword: work_text - color of text in working area
2147 
  * +36 = +0x24: dword: work_graph - color of graphics in working area
 2147 
  * +36 = +0x24: dword: work_graph - color of graphics in working area
2148 
Remarks:
 2148 
Remarks:
2149 
  * Structure of the color table is described in the standard
 2149 
  * Structure of the color table is described in the standard
2150 
    include file 'macros.inc' as 'system_colors'; for example,
 2150 
    include file 'macros.inc' as 'system_colors'; for example,
2151 
    it is possible to write:
 2151 
    it is possible to write:
2152 
    	sc	system_colors		; variable declaration
 2152 
    	sc	system_colors		; variable declaration
2153 
    	...				; somewhere one must call
 2153 
    	...				; somewhere one must call
2154 
    					; this function with ecx=sc
 2154 
    					; this function with ecx=sc
2155 
    	mov	ecx, [sc.work_button_text]	; read text color on
 2155 
    	mov	ecx, [sc.work_button_text]	; read text color on
2156 
    					; buttin in working area
 2156 
    					; buttin in working area
2157 
  * A program itself desides to use or not to use color table.
 2157 
  * A program itself desides to use or not to use color table.
2158 
    For usage program must simply at calls to drawing functions select
 2158 
    For usage program must simply at calls to drawing functions select
2159 
    color taken from the table.
 2159 
    color taken from the table.
2160 
  * At change of the table of standard colors (by subfunction 2 with
 2160 
  * At change of the table of standard colors (by subfunction 2 with
2161 
    the subsequent application of changes by subfunction 0 or
 2161 
    the subsequent application of changes by subfunction 0 or
2162 
    at skin set by subfunction 8) the system sends to all windows
 2162 
    at skin set by subfunction 8) the system sends to all windows
2163 
    redraw message (the event with code 1).
 2163 
    redraw message (the event with code 1).
2164 
  * Color table can be viewed/changed interactively with
 2164 
  * Color table can be viewed/changed interactively with
2165 
    the application 'desktop'.
 2165 
    the application 'desktop'.
2166 
 
 2166 
 
2167 
======================================================================
 2167 
======================================================================
2168 
============ Function 48, subfunction 4 - get skin height. ===========
 2168 
============ Function 48, subfunction 4 - get skin height. ===========
2169 
======================================================================
 2169 
======================================================================
2170 
Parameters:
 2170 
Parameters:
2171 
  * eax = 48 - function number
 2171 
  * eax = 48 - function number
2172 
  * ebx = 4 - subfunction number
 2172 
  * ebx = 4 - subfunction number
2173 
Returned value:
 2173 
Returned value:
2174 
  * eax = skin height
 2174 
  * eax = skin height
2175 
Remarks:
 2175 
Remarks:
2176 
  * Skin height is defined as the height of a header
 2176 
  * Skin height is defined as the height of a header
2177 
    of skinned windows.
 2177 
    of skinned windows.
2178 
  * See also general structure of window in the description
 2178 
  * See also general structure of window in the description
2179 
    of function 0.
 2179 
    of function 0.
2180 
 
 2180 
 
2181 
======================================================================
 2181 
======================================================================
2182 
======== Function 48, subfunction 5 - get screen working area. =======
 2182 
======== Function 48, subfunction 5 - get screen working area. =======
2183 
======================================================================
 2183 
======================================================================
2184 
Parameters:
 2184 
Parameters:
2185 
  * eax = 48 - function number
 2185 
  * eax = 48 - function number
2186 
  * ebx = 5 - subfunction number
 2186 
  * ebx = 5 - subfunction number
2187 
Returned value:
 2187 
Returned value:
2188 
  * eax = [left]*65536 + [right]
 2188 
  * eax = [left]*65536 + [right]
2189 
  * ebx = [top]*65536 + [bottom]
 2189 
  * ebx = [top]*65536 + [bottom]
2190 
Remarks:
 2190 
Remarks:
2191 
  * The screen working area defines position and coordinates of
 2191 
  * The screen working area defines position and coordinates of
2192 
    a maximized window.
 2192 
    a maximized window.
2193 
  * The screen working area in view of normal work is all screen
 2193 
  * The screen working area in view of normal work is all screen
2194 
    without system panel (the application '@panel').
 2194 
    without system panel (the application '@panel').
2195 
  * (left,top) are coordinates of the left upper corner,
 2195 
  * (left,top) are coordinates of the left upper corner,
2196 
    (right,bottom) are coordinates of the right lower one.
 2196 
    (right,bottom) are coordinates of the right lower one.
2197 
    Thus the size of working area on x axis can be calculated by
 2197 
    Thus the size of working area on x axis can be calculated by
2198 
    formula right-left+1, on y axis - by formula bottom-right+1.
 2198 
    formula right-left+1, on y axis - by formula bottom-right+1.
2199 
  * See also function 14,
 2199 
  * See also function 14,
2200 
    to get sizes of all screen.
 2200 
    to get sizes of all screen.
2201 
  * There is a pair function to set working area - subfunction 6.
 2201 
  * There is a pair function to set working area - subfunction 6.
2202 
 
 2202 
 
2203 
======================================================================
 2203 
======================================================================
2204 
======== Function 48, subfunction 6 - set screen working area. =======
 2204 
======== Function 48, subfunction 6 - set screen working area. =======
2205 
======================================================================
 2205 
======================================================================
2206 
Parameters:
 2206 
Parameters:
2207 
  * eax = 48 - function number
 2207 
  * eax = 48 - function number
2208 
  * ebx = 6 - subfunction number
 2208 
  * ebx = 6 - subfunction number
2209 
  * ecx = [left]*65536 + [right]
 2209 
  * ecx = [left]*65536 + [right]
2210 
  * edx = [top]*65536 + [bottom]
 2210 
  * edx = [top]*65536 + [bottom]
2211 
Returned value:
 2211 
Returned value:
2212 
  * function does not return value
 2212 
  * function does not return value
2213 
Remarks:
 2213 
Remarks:
2214 
  * The screen working area defines position and coordinates of
 2214 
  * The screen working area defines position and coordinates of
2215 
    a maximized window.
 2215 
    a maximized window.
2216 
  * This function is used only by the application '@panel',
 2216 
  * This function is used only by the application '@panel',
2217 
    which set working area to all screen without system panel.
 2217 
    which set working area to all screen without system panel.
2218 
  * (left,top) are coordinates of the left upper corner,
 2218 
  * (left,top) are coordinates of the left upper corner,
2219 
    (right,bottom) are coordinates of the right lower one.
 2219 
    (right,bottom) are coordinates of the right lower one.
2220 
    Thus the size of working area on x axis can be calculated by
 2220 
    Thus the size of working area on x axis can be calculated by
2221 
    formula right-left+1, on y axis - by formula bottom-right+1.
 2221 
    formula right-left+1, on y axis - by formula bottom-right+1.
2222 
  * If 'left'>='right', x-coordinate of working area is not changed.
 2222 
  * If 'left'>='right', x-coordinate of working area is not changed.
2223 
    If 'left'<0, 'left' will not be set. If 'right' is greater than or
 2223 
    If 'left'<0, 'left' will not be set. If 'right' is greater than or
2224 
    equal to screen width, 'right' will not be set.
 2224 
    equal to screen width, 'right' will not be set.
2225 
    Similarly on y axis.
 2225 
    Similarly on y axis.
2226 
  * See also function 14,
 2226 
  * See also function 14,
2227 
    to get sizes of all screen.
 2227 
    to get sizes of all screen.
2228 
  * There is a pair function to get working area - subfunction 5.
 2228 
  * There is a pair function to get working area - subfunction 5.
2229 
  * This function redraws the screen automatically,
 2229 
  * This function redraws the screen automatically,
2230 
    updating coordinates and sizes of maximized windows.
 2230 
    updating coordinates and sizes of maximized windows.
2231 
    The system sends to all windows redraw message (the event 1).
 2231 
    The system sends to all windows redraw message (the event 1).
2232 
 
 2232 
 
2233 
======================================================================
 2233 
======================================================================
2234 
=========== Function 48, subfunction 7 - get skin margins. ===========
 2234 
=========== Function 48, subfunction 7 - get skin margins. ===========
2235 
======================================================================
 2235 
======================================================================
2236 
Returns the area of a header of a skinned window, intended for
 2236 
Returns the area of a header of a skinned window, intended for
2237 
a text of a header.
 2237 
a text of a header.
2238 
Parameters:
 2238 
Parameters:
2239 
  * eax = 48 - function number
 2239 
  * eax = 48 - function number
2240 
  * ebx = 7 - subfunction number
 2240 
  * ebx = 7 - subfunction number
2241 
Returned value:
 2241 
Returned value:
2242 
  * eax = [left]*65536 + [right]
 2242 
  * eax = [left]*65536 + [right]
2243 
  * ebx = [top]*65536 + [bottom]
 2243 
  * ebx = [top]*65536 + [bottom]
2244 
Remarks:
 2244 
Remarks:
2245 
  * An application decides itself to use or not to use this function.
 2245 
  * An application decides itself to use or not to use this function.
2246 
  * It is recommended to take into account returned value
 2246 
  * It is recommended to take into account returned value
2247 
    of this function for choice of a place for drawing header text
 2247 
    of this function for choice of a place for drawing header text
2248 
    (by function 4) or a substitute of header text
 2248 
    (by function 4) or a substitute of header text
2249 
    (at the discretion of an application).
 2249 
    (at the discretion of an application).
2250 
 
 2250 
 
2251 
======================================================================
 2251 
======================================================================
2252 
============= Function 48, subfunction 8 - set used skin. ============
 2252 
============= Function 48, subfunction 8 - set used skin. ============
2253 
======================================================================
 2253 
======================================================================
2254 
Parameters:
 2254 
Parameters:
2255 
  * eax = 48 - function number
 2255 
  * eax = 48 - function number
2256 
  * ebx = 8 - subfunction number
 2256 
  * ebx = 8 - subfunction number
2257 
  * ecx = pointer to a block for function 58, in
 2257 
  * ecx = pointer to a block for function 58, in
2258 
    which the fields of intermediate buffer and file name are filled
 2258 
    which the fields of intermediate buffer and file name are filled
2259 
Returned value:
 2259 
Returned value:
2260 
  * eax = 0 - success
 2260 
  * eax = 0 - success
2261 
  * otherwise eax = file system error code; if file does not
 2261 
  * otherwise eax = file system error code; if file does not
2262 
    contain valid skin, function returns error 3
 2262 
    contain valid skin, function returns error 3
2263 
    (unknown file system).
 2263 
    (unknown file system).
2264 
Remarks:
 2264 
Remarks:
2265 
  * After successful skin loading the system sends to all windows
 2265 
  * After successful skin loading the system sends to all windows
2266 
    redraw message (the event 1).
 2266 
    redraw message (the event 1).
2267 
  * At booting the system reads skin from file 'default.skn'
 2267 
  * At booting the system reads skin from file 'default.skn'
2268 
    on ramdisk.
 2268 
    on ramdisk.
2269 
  * User can change the skin statically by creating hisself
 2269 
  * User can change the skin statically by creating hisself
2270 
    'default.skn' or dynamically with the application 'desktop'.
 2270 
    'default.skn' or dynamically with the application 'desktop'.
2271 
 
 2271 
 
2272 
======================================================================
 2272 
======================================================================
2273 
=========== Function 49 - Advanced Power Management (APM). ===========
 2273 
=========== Function 49 - Advanced Power Management (APM). ===========
2274 
======================================================================
 2274 
======================================================================
2275 
Parameters:
 2275 
Parameters:
2276 
  * eax = 49 - function number
 2276 
  * eax = 49 - function number
2277 
  * dx = number of the APM function
 2277 
  * dx = number of the APM function
2278 
    (analogue of ax in APM specification)
 2278 
    (analogue of ax in APM specification)
2279 
  * bx, cx = parameters of the APM function
 2279 
  * bx, cx = parameters of the APM function
2280 
Returned value:
 2280 
Returned value:
2281 
  * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF
 2281 
  * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF
2282 
    are set according to the APM specification
 2282 
    are set according to the APM specification
2283 
  * high halves of 32-bit registers eax, ebx, ecx,
 2283 
  * high halves of 32-bit registers eax, ebx, ecx,
2284 
    edx, esi, edi are destroyed
 2284 
    edx, esi, edi are destroyed
2285 
Remarks:
 2285 
Remarks:
2286 
  * APM 1.2 specification is described in the document
 2286 
  * APM 1.2 specification is described in the document
2287 
    "Advanced Power Management (APM) BIOS Specification"
 2287 
    "Advanced Power Management (APM) BIOS Specification"
2288 
    (Revision 1.2), available at
 2288 
    (Revision 1.2), available at
2289 
    http://www.microsoft.com/whdc/archive/amp_12.mspx;
 2289 
    http://www.microsoft.com/whdc/archive/amp_12.mspx;
2290 
    besides it is included in famous Interrupt List by Ralf Brown
 2290 
    besides it is included in famous Interrupt List by Ralf Brown
2291 
    (http://www.pobox.com/~ralf/files.html,
 2291 
    (http://www.pobox.com/~ralf/files.html,
2292 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/).
 2292 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/).
2293 
 
 2293 
 
2294 
======================================================================
 2294 
======================================================================
2295 
=================== Function 50 - set window shape. ==================
 2295 
=================== Function 50 - set window shape. ==================
2296 
======================================================================
 2296 
======================================================================
2297 
Normal windows have rectangular shape. This function can give to
 2297 
Normal windows have rectangular shape. This function can give to
2298 
a window any shape. The shape is given by a set of points inside
 2298 
a window any shape. The shape is given by a set of points inside
2299 
the base rectangle belonging to a window. Position and coordinates
 2299 
the base rectangle belonging to a window. Position and coordinates
2300 
of the base rectangle are set by function 0
 2300 
of the base rectangle are set by function 0
2301 
and changed by function 67.
 2301 
and changed by function 67.
2302 
 
 2302 
 
2303 
--------------------------- Set shape data ---------------------------
 2303 
--------------------------- Set shape data ---------------------------
2304 
Parameters:
 2304 
Parameters:
2305 
  * eax = 50 - function number
 2305 
  * eax = 50 - function number
2306 
  * ebx = 0 - subfunction number
 2306 
  * ebx = 0 - subfunction number
2307 
  * ecx = pointer to shape data (array of bytes 0/1)
 2307 
  * ecx = pointer to shape data (array of bytes 0/1)
2308 
Returned value:
 2308 
Returned value:
2309 
  * function does not return value
 2309 
  * function does not return value
2310 
 
 2310 
 
2311 
-------------------------- Set shape scale ---------------------------
 2311 
-------------------------- Set shape scale ---------------------------
2312 
Parameters:
 2312 
Parameters:
2313 
  * eax = 50 - function number
 2313 
  * eax = 50 - function number
2314 
  * ebx = 1 - subfunction number
 2314 
  * ebx = 1 - subfunction number
2315 
  * ecx sets a scale: each byte of data defines
 2315 
  * ecx sets a scale: each byte of data defines
2316 
    (2^scale)*(2^scale) pixels
 2316 
    (2^scale)*(2^scale) pixels
2317 
Returned value:
 2317 
Returned value:
2318 
  * function does not return value
 2318 
  * function does not return value
2319 
Remarks:
 2319 
Remarks:
2320 
  * Default scale is 0 (scale factor is 1). If in the shape data
 2320 
  * Default scale is 0 (scale factor is 1). If in the shape data
2321 
    one byte corresponds to one pixel, there is no necessity
 2321 
    one byte corresponds to one pixel, there is no necessity
2322 
    to set scale.
 2322 
    to set scale.
2323 
  * Let's designate xsize = window width (in pixels), ysize = height;
 2323 
  * Let's designate xsize = window width (in pixels), ysize = height;
2324 
    pay attention, that they are one pixel more than defined by
 2324 
    pay attention, that they are one pixel more than defined by
2325 
    functions 0, 67.
 2325 
    functions 0, 67.
2326 
  * On definition of scale xsize and ysize must be divisible
 2326 
  * On definition of scale xsize and ysize must be divisible
2327 
    on 2^scale.
 2327 
    on 2^scale.
2328 
  * Byte of data on offset 'a' must be 0/1 and defines belonging
 2328 
  * Byte of data on offset 'a' must be 0/1 and defines belonging
2329 
    to a window of square with the side 2^scale (if scale=0,
 2329 
    to a window of square with the side 2^scale (if scale=0,
2330 
    this is one pixel) and coordinates of the left upper corner
 2330 
    this is one pixel) and coordinates of the left upper corner
2331 
    (a mod (xsize shr scale), a div (xsize shr scale))
 2331 
    (a mod (xsize shr scale), a div (xsize shr scale))
2332 
  * Data size: (xsize shr scale)*(ysize shr scale).
 2332 
  * Data size: (xsize shr scale)*(ysize shr scale).
2333 
  * Data must be presented in the memory and not change
 2333 
  * Data must be presented in the memory and not change
2334 
    after set of shape.
 2334 
    after set of shape.
2335 
  * The system views the shape data at every window redraw by
 2335 
  * The system views the shape data at every window redraw by
2336 
    function 0.
 2336 
    function 0.
2337 
  * The call of subfunction 0 with NULL pointer results in return
 2337 
  * The call of subfunction 0 with NULL pointer results in return
2338 
    to the rectangular shape.
 2338 
    to the rectangular shape.
2339 
 
 2339 
 
2340 
======================================================================
 2340 
======================================================================
2341 
==================== Function 51 - create thread. ====================
 2341 
==================== Function 51 - create thread. ====================
2342 
======================================================================
 2342 
======================================================================
2343 
Parameters:
 2343 
Parameters:
2344 
  * eax = 51 - function number
 2344 
  * eax = 51 - function number
2345 
  * ebx = 1 - unique subfunction
 2345 
  * ebx = 1 - unique subfunction
2346 
  * ecx = address of thread entry point (starting eip)
 2346 
  * ecx = address of thread entry point (starting eip)
2347 
  * edx = pointer to thread stack (starting esp)
 2347 
  * edx = pointer to thread stack (starting esp)
2348 
Returned value:
 2348 
Returned value:
2349 
  * eax = -1 - error (there is too many threads)
 2349 
  * eax = -1 - error (there is too many threads)
2350 
  * otherwise eax = TID - thread identifier
 2350 
  * otherwise eax = TID - thread identifier
2351
2351
2352 
 
 2352 
 
2353 
======================================================================
 2353 
======================================================================
2354 
=== Function 52, subfunction 0 - get network driver configuration. ===
 2354 
=== Function 52, subfunction 0 - get network driver configuration. ===
2355 
======================================================================
 2355 
======================================================================
2356 
Parameters:
 2356 
Parameters:
2357 
  * eax = 52 - function number
 2357 
  * eax = 52 - function number
2358 
  * ebx = 0 - subfunction number
 2358 
  * ebx = 0 - subfunction number
2359 
Returned value:
 2359 
Returned value:
2360 
  * eax = configuration dword
 2360 
  * eax = configuration dword
2361 
Remarks:
 2361 
Remarks:
2362 
  * Configuration dword can be set by subfunction 2.
 2362 
  * Configuration dword can be set by subfunction 2.
2363 
  * The kernel does not use this variable. The value of this
 2363 
  * The kernel does not use this variable. The value of this
2364 
    variable and working with it subfunctions 0 and 2 is represented
 2364 
    variable and working with it subfunctions 0 and 2 is represented
2365 
    doubtful.
 2365 
    doubtful.
2366 
 
 2366 
 
2367 
======================================================================
 2367 
======================================================================
2368 
========= Function 52, subfunction 1 - get local IP-address. =========
 2368 
========= Function 52, subfunction 1 - get local IP-address. =========
2369 
======================================================================
 2369 
======================================================================
2370 
Parameters:
 2370 
Parameters:
2371 
  * eax = 52 - function number
 2371 
  * eax = 52 - function number
2372 
  * ebx = 1 - subfunction number
 2372 
  * ebx = 1 - subfunction number
2373 
Returned value:
 2373 
Returned value:
2374 
  * eax = IP-address (4 bytes)
 2374 
  * eax = IP-address (4 bytes)
2375 
Remarks:
 2375 
Remarks:
2376 
  * Local IP-address is set by subfunction 3.
 2376 
  * Local IP-address is set by subfunction 3.
2377 
 
 2377 
 
2378 
======================================================================
 2378 
======================================================================
2379 
=== Function 52, subfunction 2 - set network driver configuration. ===
 2379 
=== Function 52, subfunction 2 - set network driver configuration. ===
2380 
======================================================================
 2380 
======================================================================
2381 
Parameters:
 2381 
Parameters:
2382 
  * eax = 52 - function number
 2382 
  * eax = 52 - function number
2383 
  * ebx = 2 - subfunction number
 2383 
  * ebx = 2 - subfunction number
2384 
  * ecx = configuration dword; if low 7 bits derivate the number 3,
 2384 
  * ecx = configuration dword; if low 7 bits derivate the number 3,
2385 
    function [re-]initializes Ethernet-card, otherwise
 2385 
    function [re-]initializes Ethernet-card, otherwise
2386 
    Ethernet turns off
 2386 
    Ethernet turns off
2387 
Returned value:
 2387 
Returned value:
2388 
  * if Ethernet-interface is not requested, function returns eax=2,
 2388 
  * if Ethernet-interface is not requested, function returns eax=2,
2389 
    but this can be changed in future kernel versions
 2389 
    but this can be changed in future kernel versions
2390 
  * if Ethernet-interface is requested, eax=0 means error
 2390 
  * if Ethernet-interface is requested, eax=0 means error
2391 
    (absence of Ethernet-card), and nonzero value - success
 2391 
    (absence of Ethernet-card), and nonzero value - success
2392 
Remarks:
 2392 
Remarks:
2393 
  * Configuration dword can be read by subfunction 0.
 2393 
  * Configuration dword can be read by subfunction 0.
2394 
  * The kernel does not use this variable. The value of this
 2394 
  * The kernel does not use this variable. The value of this
2395 
    variable, subfunction 0 and part of subfunction 2, which set it,
 2395 
    variable, subfunction 0 and part of subfunction 2, which set it,
2396 
    is represented doubtful.
 2396 
    is represented doubtful.
2397 
 
 2397 
 
2398 
======================================================================
 2398 
======================================================================
2399 
========= Function 52, subfunction 3 - set local IP-address. =========
 2399 
========= Function 52, subfunction 3 - set local IP-address. =========
2400 
======================================================================
 2400 
======================================================================
2401 
Parameters:
 2401 
Parameters:
2402 
  * eax = 52 - function number
 2402 
  * eax = 52 - function number
2403 
  * ebx = 3 - subfunction number
 2403 
  * ebx = 3 - subfunction number
2404 
  * ecx = IP-address (4 bytes)
 2404 
  * ecx = IP-address (4 bytes)
2405 
Returned value:
 2405 
Returned value:
2406 
  * the current implementation returns eax=3, but this can be changed
 2406 
  * the current implementation returns eax=3, but this can be changed
2407 
    in future versions
 2407 
    in future versions
2408 
Remarks:
 2408 
Remarks:
2409 
  * Local IP-address can be get by subfunction 1.
 2409 
  * Local IP-address can be get by subfunction 1.
2410 
 
 2410 
 
2411 
======================================================================
 2411 
======================================================================
2412 
= Function 52, subfunction 6 - add data to the stack of input queue. =
 2412 
= Function 52, subfunction 6 - add data to the stack of input queue. =
2413 
======================================================================
 2413 
======================================================================
2414 
Parameters:
 2414 
Parameters:
2415 
  * eax = 52 - function number
 2415 
  * eax = 52 - function number
2416 
  * ebx = 6 - subfunction number
 2416 
  * ebx = 6 - subfunction number
2417 
  * edx = data size
 2417 
  * edx = data size
2418 
  * esi = data pointer
 2418 
  * esi = data pointer
2419 
Returned value:
 2419 
Returned value:
2420 
  * eax = -1 - error
 2420 
  * eax = -1 - error
2421 
  * eax = 0 - success
 2421 
  * eax = 0 - success
2422 
Remarks:
 2422 
Remarks:
2423 
  * This function is intended only for slow network drivers
 2423 
  * This function is intended only for slow network drivers
2424 
    (PPP, SLIP).
 2424 
    (PPP, SLIP).
2425 
  * Data size must not exceed 1500 bytes, though function
 2425 
  * Data size must not exceed 1500 bytes, though function
2426 
    performs no checks on correctness.
 2426 
    performs no checks on correctness.
2427 
 
 2427 
 
2428 
======================================================================
 2428 
======================================================================
2429 
 Function 52, subfunction 8 - read data from the network output queue.
2429 
 Function 52, subfunction 8 - read data from the network output queue.
2430 
======================================================================
 2430 
======================================================================
2431 
Parameters:
 2431 
Parameters:
2432 
  * eax = 52 - function number
 2432 
  * eax = 52 - function number
2433 
  * ebx = 8 - subfunction number
 2433 
  * ebx = 8 - subfunction number
2434 
  * esi = pointer to 1500-byte buffer
 2434 
  * esi = pointer to 1500-byte buffer
2435 
Returned value:
 2435 
Returned value:
2436 
  * eax = number of read bytes (in the current implementation
 2436 
  * eax = number of read bytes (in the current implementation
2437 
    either 0 = no data or 1500)
 2437 
    either 0 = no data or 1500)
2438 
  * data was copied in buffer
 2438 
  * data was copied in buffer
2439 
Remarks:
 2439 
Remarks:
2440 
  * This function is intended only for slow network drivers
 2440 
  * This function is intended only for slow network drivers
2441 
    (PPP, SLIP).
 2441 
    (PPP, SLIP).
2442 
 
 2442 
 
2443 
======================================================================
 2443 
======================================================================
2444 
============ Function 52, subfunction 9 - get gateway IP. ============
 2444 
============ Function 52, subfunction 9 - get gateway IP. ============
2445 
======================================================================
 2445 
======================================================================
2446 
Parameters:
 2446 
Parameters:
2447 
  * eax = 52 - function number
 2447 
  * eax = 52 - function number
2448 
  * ebx = 9 - subfunction number
 2448 
  * ebx = 9 - subfunction number
2449 
Returned value:
 2449 
Returned value:
2450 
  * eax = gateway IP (4 bytes)
 2450 
  * eax = gateway IP (4 bytes)
2451 
 
 2451 
 
2452 
======================================================================
 2452 
======================================================================
2453 
=========== Function 52, subfunction 10 - get subnet mask. ===========
 2453 
=========== Function 52, subfunction 10 - get subnet mask. ===========
2454 
======================================================================
 2454 
======================================================================
2455 
Parameters:
 2455 
Parameters:
2456 
  * eax = 52 - function number
 2456 
  * eax = 52 - function number
2457 
  * ebx = 10 - subfunction number
 2457 
  * ebx = 10 - subfunction number
2458 
Returned value:
 2458 
Returned value:
2459 
  * eax = subnet mask
 2459 
  * eax = subnet mask
2460 
 
 2460 
 
2461 
======================================================================
 2461 
======================================================================
2462 
============ Function 52, subfunction 11 - set gateway IP. ===========
 2462 
============ Function 52, subfunction 11 - set gateway IP. ===========
2463 
======================================================================
 2463 
======================================================================
2464 
Parameters:
 2464 
Parameters:
2465 
  * eax = 52 - function number
 2465 
  * eax = 52 - function number
2466 
  * ebx = 11 - subfunction number
 2466 
  * ebx = 11 - subfunction number
2467 
  * ecx = gateway IP (4 bytes)
 2467 
  * ecx = gateway IP (4 bytes)
2468 
Returned value:
 2468 
Returned value:
2469 
  * the current implementation returns eax=11, but this can be changed
 2469 
  * the current implementation returns eax=11, but this can be changed
2470 
    in future versions
 2470 
    in future versions
2471 
 
 2471 
 
2472 
======================================================================
 2472 
======================================================================
2473 
=========== Function 52, subfunction 12 - set subnet mask. ===========
 2473 
=========== Function 52, subfunction 12 - set subnet mask. ===========
2474 
======================================================================
 2474 
======================================================================
2475 
Parameters:
 2475 
Parameters:
2476 
  * eax = 52 - function number
 2476 
  * eax = 52 - function number
2477 
  * ebx = 12 - subfunction number
 2477 
  * ebx = 12 - subfunction number
2478 
  * ecx = subnet mask
 2478 
  * ecx = subnet mask
2479 
Returned value:
 2479 
Returned value:
2480 
  * the current implementation returns eax=12, but this can be changed
 2480 
  * the current implementation returns eax=12, but this can be changed
2481 
    in future versions
 2481 
    in future versions
2482 
 
 2482 
 
2483 
======================================================================
 2483 
======================================================================
2484 
============== Function 52, subfunction 13 - get DNS IP. =============
 2484 
============== Function 52, subfunction 13 - get DNS IP. =============
2485 
======================================================================
 2485 
======================================================================
2486 
Parameters:
 2486 
Parameters:
2487 
  * eax = 52 - function number
 2487 
  * eax = 52 - function number
2488 
  * ebx = 13 - subfunction number
 2488 
  * ebx = 13 - subfunction number
2489 
Returned value:
 2489 
Returned value:
2490 
  * eax = DNS IP (4 bytes)
 2490 
  * eax = DNS IP (4 bytes)
2491 
 
 2491 
 
2492 
======================================================================
 2492 
======================================================================
2493 
============== Function 52, subfunction 14 - set DNS IP. =============
 2493 
============== Function 52, subfunction 14 - set DNS IP. =============
2494 
======================================================================
 2494 
======================================================================
2495 
Parameters:
 2495 
Parameters:
2496 
  * eax = 52 - function number
 2496 
  * eax = 52 - function number
2497 
  * ebx = 14 - subfunction number
 2497 
  * ebx = 14 - subfunction number
2498 
  * ecx = DNS IP (4 bytes)
 2498 
  * ecx = DNS IP (4 bytes)
2499 
Returned value:
 2499 
Returned value:
2500 
  * the current implementation returns eax=14, but this can be changed
 2500 
  * the current implementation returns eax=14, but this can be changed
2501 
    in future versions
 2501 
    in future versions
2502 
 
 2502 
 
2503 
======================================================================
 2503 
======================================================================
2504 
======== Function 52, subfunction 15 - get local MAC address. ========
 2504 
======== Function 52, subfunction 15 - get local MAC address. ========
2505 
======================================================================
 2505 
======================================================================
2506 
Parameters:
 2506 
Parameters:
2507 
  * eax = 52 - function number
 2507 
  * eax = 52 - function number
2508 
  * ebx = 15 - subfunction number
 2508 
  * ebx = 15 - subfunction number
2509 
  * ecx = 0 - read first 4 bytes,
 2509 
  * ecx = 0 - read first 4 bytes,
2510 
    ecx = 4 - read last 2 bytes
 2510 
    ecx = 4 - read last 2 bytes
2511 
Returned value:
 2511 
Returned value:
2512 
  * for ecx=0: eax = first 4 bytes of MAC address
 2512 
  * for ecx=0: eax = first 4 bytes of MAC address
2513 
  * for ecx=4: ax = last 2 bytes of MAC address,
 2513 
  * for ecx=4: ax = last 2 bytes of MAC address,
2514 
               high half of eax is destroyed
 2514 
               high half of eax is destroyed
2515 
  * for other ecx: eax = -1 indicates an error
 2515 
  * for other ecx: eax = -1 indicates an error
2516 
 
 2516 
 
2517 
======================================================================
 2517 
======================================================================
2518 
============ Function 53, subfunction 0 - open UDP-socket. ===========
 2518 
============ Function 53, subfunction 0 - open UDP-socket. ===========
2519 
======================================================================
 2519 
======================================================================
2520 
Parameters:
 2520 
Parameters:
2521 
  * eax = 53 - function number
 2521 
  * eax = 53 - function number
2522 
  * ebx = 0 - subfunction number
 2522 
  * ebx = 0 - subfunction number
2523 
  * ecx = local port (only low word is taken into account)
 2523 
  * ecx = local port (only low word is taken into account)
2524 
  * edx = remote port (only low word is taken into account)
 2524 
  * edx = remote port (only low word is taken into account)
2525 
  * esi = remote IP
 2525 
  * esi = remote IP
2526 
Returned value:
 2526 
Returned value:
2527 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroyed
 2527 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroyed
2528 
  * eax = socket handle (some number which unambiguously identifies
 2528 
  * eax = socket handle (some number which unambiguously identifies
2529 
    socket and have sense only for the system) - success;
 2529 
    socket and have sense only for the system) - success;
2530 
    ebx destroyed
 2530 
    ebx destroyed
2531 
 
 2531 
 
2532 
======================================================================
 2532 
======================================================================
2533 
=========== Function 53, subfunction 1 - close UDP-socket. ===========
 2533 
=========== Function 53, subfunction 1 - close UDP-socket. ===========
2534 
======================================================================
 2534 
======================================================================
2535 
Parameters:
 2535 
Parameters:
2536 
  * eax = 53 - function number
 2536 
  * eax = 53 - function number
2537 
  * ebx = 1 - subfunction number
 2537 
  * ebx = 1 - subfunction number
2538 
  * ecx = socket handle
 2538 
  * ecx = socket handle
2539 
Returned value:
 2539 
Returned value:
2540 
  * eax = -1 - incorrect handle
 2540 
  * eax = -1 - incorrect handle
2541 
  * eax = 0 - success
 2541 
  * eax = 0 - success
2542 
  * ebx destroyed
 2542 
  * ebx destroyed
2543 
Remarks:
 2543 
Remarks:
2544 
  * The current implementation does not close automatically all
 2544 
  * The current implementation does not close automatically all
2545 
    sockets of a thread at termination. In particular, one should not
 2545 
    sockets of a thread at termination. In particular, one should not
2546 
    kill a thread with many opened sockets - there will be an outflow
 2546 
    kill a thread with many opened sockets - there will be an outflow
2547 
    of resources.
 2547 
    of resources.
2548 
  * The current implementation does no checks on correctness
 2548 
  * The current implementation does no checks on correctness
2549 
    (function returns error only if thread tries to close not opened
 2549 
    (function returns error only if thread tries to close not opened
2550 
    socket with correct handle).
 2550 
    socket with correct handle).
2551 
 
 2551 
 
2552 
======================================================================
 2552 
======================================================================
2553 
============== Function 53, subfunction 2 - poll socket. =============
 2553 
============== Function 53, subfunction 2 - poll socket. =============
2554 
======================================================================
 2554 
======================================================================
2555 
Parameters:
 2555 
Parameters:
2556 
  * eax = 53 - function number
 2556 
  * eax = 53 - function number
2557 
  * ebx = 2 - subfunction number
 2557 
  * ebx = 2 - subfunction number
2558 
  * ecx = socket handle
 2558 
  * ecx = socket handle
2559 
Returned value:
 2559 
Returned value:
2560 
  * eax = number of read bytes
 2560 
  * eax = number of read bytes
2561 
  * ebx destroyed
 2561 
  * ebx destroyed
2562 
Remarks:
 2562 
Remarks:
2563 
  * There is no checks for correctness.
 2563 
  * There is no checks for correctness.
2564 
 
 2564 
 
2565 
======================================================================
 2565 
======================================================================
2566 
========= Function 53, subfunction 3 - read byte from socket. ========
 2566 
========= Function 53, subfunction 3 - read byte from socket. ========
2567 
======================================================================
 2567 
======================================================================
2568 
Parameters:
 2568 
Parameters:
2569 
  * eax = 53 - function number
 2569 
  * eax = 53 - function number
2570 
  * ebx = 3 - subfunction number
 2570 
  * ebx = 3 - subfunction number
2571 
  * ecx = socket handle
 2571 
  * ecx = socket handle
2572 
Returned value:
 2572 
Returned value:
2573 
  * if there is no read data: eax=0, bl=0,
 2573 
  * if there is no read data: eax=0, bl=0,
2574 
    other bytes of ebx are destroyed
 2574 
    other bytes of ebx are destroyed
2575 
  * if there are read data: eax=number of rest bytes
 2575 
  * if there are read data: eax=number of rest bytes
2576 
    (possibly 0), bl=read byte, other bytes of ebx are destroyed
 2576 
    (possibly 0), bl=read byte, other bytes of ebx are destroyed
2577 
Remarks:
 2577 
Remarks:
2578 
  * There is no checks for correctness.
 2578 
  * There is no checks for correctness.
2579 
 
 2579 
 
2580 
======================================================================
 2580 
======================================================================
2581 
========== Function 53, subfunction 4 - write to UDP-socket. =========
 2581 
========== Function 53, subfunction 4 - write to UDP-socket. =========
2582 
======================================================================
 2582 
======================================================================
2583 
Parameters:
 2583 
Parameters:
2584 
  * eax = 53 - function number
 2584 
  * eax = 53 - function number
2585 
  * ebx = 4 - subfunction number
 2585 
  * ebx = 4 - subfunction number
2586 
  * ecx = socket handle
 2586 
  * ecx = socket handle
2587 
  * edx = number of bytes to write
 2587 
  * edx = number of bytes to write
2588 
  * esi = pointer to data to write
 2588 
  * esi = pointer to data to write
2589 
Returned value:
 2589 
Returned value:
2590 
  * eax = 0xffffffff - invalid handle
 2590 
  * eax = 0xffffffff - invalid handle
2591 
  * eax = 0xffff - not enough memory
 2591 
  * eax = 0xffff - not enough memory
2592 
  * eax = 0 - success
 2592 
  * eax = 0 - success
2593 
  * ebx destroyed
 2593 
  * ebx destroyed
2594 
Remarks:
 2594 
Remarks:
2595 
  * Check on validity of handle is minimal - only not very incorrect
 2595 
  * Check on validity of handle is minimal - only not very incorrect
2596 
    not opened handles are eliminated.
 2596 
    not opened handles are eliminated.
2597 
  * Number of bytes to write must not exceed 1500-28, though
 2597 
  * Number of bytes to write must not exceed 1500-28, though
2598 
    the appropriate check is not made.
 2598 
    the appropriate check is not made.
2599 
 
 2599 
 
2600 
======================================================================
 2600 
======================================================================
2601 
============ Function 53, subfunction 5 - open TCP-socket. ===========
 2601 
============ Function 53, subfunction 5 - open TCP-socket. ===========
2602 
======================================================================
 2602 
======================================================================
2603 
Parameters:
 2603 
Parameters:
2604 
  * eax = 53 - function number
 2604 
  * eax = 53 - function number
2605 
  * ebx = 5 - subfunction number
 2605 
  * ebx = 5 - subfunction number
2606 
  * ecx = local port (only low word is taken into account)
 2606 
  * ecx = local port (only low word is taken into account)
2607 
  * edx = remote port (only low word is taken into account)
 2607 
  * edx = remote port (only low word is taken into account)
2608 
  * esi = remote IP
 2608 
  * esi = remote IP
2609 
  * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1
 2609 
  * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1
2610 
Returned value:
 2610 
Returned value:
2611 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroys
 2611 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroys
2612 
  * eax = socket handle (some number which unambiguously identifies
 2612 
  * eax = socket handle (some number which unambiguously identifies
2613 
    socket and have sense only for the system) - success;
 2613 
    socket and have sense only for the system) - success;
2614 
    ebx destroyed
 2614 
    ebx destroyed
2615 
 
 2615 
 
2616 
======================================================================
 2616 
======================================================================
2617 
========= Function 53, subfunction 6 - get TCP-socket status. ========
 2617 
========= Function 53, subfunction 6 - get TCP-socket status. ========
2618 
======================================================================
 2618 
======================================================================
2619 
Parameters:
 2619 
Parameters:
2620 
  * eax = 53 - function number
 2620 
  * eax = 53 - function number
2621 
  * ebx = 6 - subfunction number
 2621 
  * ebx = 6 - subfunction number
2622 
  * ecx = socket handle
 2622 
  * ecx = socket handle
2623 
Returned value:
 2623 
Returned value:
2624 
  * eax = socket status: one of
 2624 
  * eax = socket status: one of
2625 
  * TCB_LISTEN = 1
 2625 
  * TCB_LISTEN = 1
2626 
  * TCB_SYN_SENT = 2
 2626 
  * TCB_SYN_SENT = 2
2627 
  * TCB_SYN_RECEIVED = 3
 2627 
  * TCB_SYN_RECEIVED = 3
2628 
  * TCB_ESTABLISHED = 4
 2628 
  * TCB_ESTABLISHED = 4
2629 
  * TCB_FIN_WAIT_1 = 5
 2629 
  * TCB_FIN_WAIT_1 = 5
2630 
  * TCB_FIN_WAIT_2 = 6
 2630 
  * TCB_FIN_WAIT_2 = 6
2631 
  * TCB_CLOSE_WAIT = 7
 2631 
  * TCB_CLOSE_WAIT = 7
2632 
  * TCB_CLOSING = 8
 2632 
  * TCB_CLOSING = 8
2633 
  * TCB_LAST_ASK = 9
 2633 
  * TCB_LAST_ASK = 9
2634 
  * TCB_TIME_WAIT = 10
 2634 
  * TCB_TIME_WAIT = 10
2635 
  * TCB_CLOSED = 11
 2635 
  * TCB_CLOSED = 11
2636 
  * ebx destroys
 2636 
  * ebx destroys
2637 
Remarks:
 2637 
Remarks:
2638 
  * There is no checks for correctness.
 2638 
  * There is no checks for correctness.
2639 
 
 2639 
 
2640 
======================================================================
 2640 
======================================================================
2641 
========== Function 53, subfunction 7 - write to TCP-socket. =========
 2641 
========== Function 53, subfunction 7 - write to TCP-socket. =========
2642 
======================================================================
 2642 
======================================================================
2643 
Parameters:
 2643 
Parameters:
2644 
  * eax = 53 - function number
 2644 
  * eax = 53 - function number
2645 
  * ebx = 7 - subfunction number
 2645 
  * ebx = 7 - subfunction number
2646 
  * ecx = socket handle
 2646 
  * ecx = socket handle
2647 
  * edx = number of bytes to write
 2647 
  * edx = number of bytes to write
2648 
  * esi = pointer to data to write
 2648 
  * esi = pointer to data to write
2649 
Returned value:
 2649 
Returned value:
2650 
  * eax = 0xffffffff - error
 2650 
  * eax = 0xffffffff - error
2651 
  * eax = 0xffff - not enough memory
 2651 
  * eax = 0xffff - not enough memory
2652 
  * eax = 0 - success
 2652 
  * eax = 0 - success
2653 
  * ebx destroyed
 2653 
  * ebx destroyed
2654 
Remarks:
 2654 
Remarks:
2655 
  * Check on validity of handle is minimal - only not very incorrect
 2655 
  * Check on validity of handle is minimal - only not very incorrect
2656 
    not opened handles are eliminated.
 2656 
    not opened handles are eliminated.
2657 
  * Number of bytes to write must not exceed 1500-40, though
 2657 
  * Number of bytes to write must not exceed 1500-40, though
2658 
    the appropriate check is not made.
 2658 
    the appropriate check is not made.
2659 
 
 2659 
 
2660 
======================================================================
 2660 
======================================================================
2661 
=========== Function 53, subfunction 8 - close TCP-socket. ===========
 2661 
=========== Function 53, subfunction 8 - close TCP-socket. ===========
2662 
======================================================================
 2662 
======================================================================
2663 
Parameters:
 2663 
Parameters:
2664 
  * eax = 53 - function number
 2664 
  * eax = 53 - function number
2665 
  * ebx = 8 - subfunction number
 2665 
  * ebx = 8 - subfunction number
2666 
  * ecx = socket handle
 2666 
  * ecx = socket handle
2667 
Returned value:
 2667 
Returned value:
2668 
  * eax = -1 - invalid handle
 2668 
  * eax = -1 - invalid handle
2669 
  * eax = 0xffff - not enough memory for socket close packet
 2669 
  * eax = 0xffff - not enough memory for socket close packet
2670 
  * eax = 0 - success
 2670 
  * eax = 0 - success
2671 
  * in many cases eax is destroyed (the result of function 'queue'
 2671 
  * in many cases eax is destroyed (the result of function 'queue'
2672 
    is returned) - probably this is bug, which will be corrected
 2672 
    is returned) - probably this is bug, which will be corrected
2673 
  * ebx destroyed
 2673 
  * ebx destroyed
2674 
Remarks:
 2674 
Remarks:
2675 
  * The current implementation does not close automatically all
 2675 
  * The current implementation does not close automatically all
2676 
    sockets of a thread at termination. In particular, one should not
 2676 
    sockets of a thread at termination. In particular, one should not
2677 
    kill a thread with many opened sockets - there will be an outflow
 2677 
    kill a thread with many opened sockets - there will be an outflow
2678 
    of resources.
 2678 
    of resources.
2679 
  * The current implementation does no checks on correctness
 2679 
  * The current implementation does no checks on correctness
2680 
    (function returns error only if thread tries to close not opened
 2680 
    (function returns error only if thread tries to close not opened
2681 
    socket with correct handle).
 2681 
    socket with correct handle).
2682 
 
 2682 
 
2683 
======================================================================
 2683 
======================================================================
2684 
=== Function 53, subfunction 9 - check whether local port is free. ===
 2684 
=== Function 53, subfunction 9 - check whether local port is free. ===
2685 
======================================================================
 2685 
======================================================================
2686 
Parameters:
 2686 
Parameters:
2687 
  * eax = 53 - function number
 2687 
  * eax = 53 - function number
2688 
  * ebx = 9 - subfunction number
 2688 
  * ebx = 9 - subfunction number
2689 
  * ecx = local port number (low 16 bits are used only)
 2689 
  * ecx = local port number (low 16 bits are used only)
2690 
Returned value:
 2690 
Returned value:
2691 
  * eax = 0 - port is used
 2691 
  * eax = 0 - port is used
2692 
  * eax = 1 - port is free
 2692 
  * eax = 1 - port is free
2693 
  * ebx destroyed
 2693 
  * ebx destroyed
2694 
 
 2694 
 
2695 
======================================================================
 2695 
======================================================================
2696 
===== Function 53, subfunction 10 - query Ethernet cable status. =====
 2696 
===== Function 53, subfunction 10 - query Ethernet cable status. =====
2697 
======================================================================
 2697 
======================================================================
2698 
Parameters:
 2698 
Parameters:
2699 
  * eax = 53 - function number
 2699 
  * eax = 53 - function number
2700 
  * ebx = 10 - subfunction number
 2700 
  * ebx = 10 - subfunction number
2701 
Returned value:
 2701 
Returned value:
2702 
  * al = -1 - a network driver is not loaded or
 2702 
  * al = -1 - a network driver is not loaded or
2703 
              does not support this function
 2703 
              does not support this function
2704 
  * al = 0 - Ethernet cable is unplugged
 2704 
  * al = 0 - Ethernet cable is unplugged
2705 
  * al = 1 - Ethernet cable is plugged
 2705 
  * al = 1 - Ethernet cable is plugged
2706 
Remarks:
 2706 
Remarks:
2707 
  * The current kernel implementation supports this function
 2707 
  * The current kernel implementation supports this function
2708 
    only for RTL8139 network cards.
 2708 
    only for RTL8139 network cards.
2709 
 
 2709 
 
2710 
======================================================================
 2710 
======================================================================
2711 
= Function 53, subfunction 255 - debug information of network driver.
2711 
= Function 53, subfunction 255 - debug information of network driver.
2712 
======================================================================
 2712 
======================================================================
2713 
Parameters:
 2713 
Parameters:
2714 
  * eax = 53 - function number
 2714 
  * eax = 53 - function number
2715 
  * ebx = 255 - subfunction number
 2715 
  * ebx = 255 - subfunction number
2716 
  * ecx = type of requested information (see below)
 2716 
  * ecx = type of requested information (see below)
2717 
Returned value:
 2717 
Returned value:
2718 
  * eax = requested information
 2718 
  * eax = requested information
2719 
  * ebx destroyed
 2719 
  * ebx destroyed
2720 
Possible values for ecx:
 2720 
Possible values for ecx:
2721 
  * 100: length of queue 0 (empty queue)
 2721 
  * 100: length of queue 0 (empty queue)
2722 
  * 101: length of queue 1 (ip-out queue)
 2722 
  * 101: length of queue 1 (ip-out queue)
2723 
  * 102: length of queue 2 (ip-in queue)
 2723 
  * 102: length of queue 2 (ip-in queue)
2724 
  * 103: length of queue 3 (net1out queue)
 2724 
  * 103: length of queue 3 (net1out queue)
2725 
  * 200: number of items in the ARP table
 2725 
  * 200: number of items in the ARP table
2726 
  * 201: size of the ARP table (in items) (20 for current version)
 2726 
  * 201: size of the ARP table (in items) (20 for current version)
2727 
  * 202: read item at edx of the ARP table to the temporary buffer,
 2727 
  * 202: read item at edx of the ARP table to the temporary buffer,
2728 
    whence 5 following types take information;
 2728 
    whence 5 following types take information;
2729 
    in this case eax is not defined
 2729 
    in this case eax is not defined
2730 
  * 203: IP-address saved by type 202
 2730 
  * 203: IP-address saved by type 202
2731 
  * 204: high dword of MAC-address saved by type 202
 2731 
  * 204: high dword of MAC-address saved by type 202
2732 
  * 205: low word of MAC-address saved by type 202
 2732 
  * 205: low word of MAC-address saved by type 202
2733 
  * 206: status word saved by type 202
 2733 
  * 206: status word saved by type 202
2734 
  * 207: ttl word saved by type 202
 2734 
  * 207: ttl word saved by type 202
2735 
  * 2: total number of received IP-packets
 2735 
  * 2: total number of received IP-packets
2736 
  * 3: total number of transferred IP-packets
 2736 
  * 3: total number of transferred IP-packets
2737 
  * 4: total number of dumped received packets
 2737 
  * 4: total number of dumped received packets
2738 
  * 5: total number of received ARP-packets
 2738 
  * 5: total number of received ARP-packets
2739 
  * 6: status of packet driver, 0=inactive, nonzero=active
 2739 
  * 6: status of packet driver, 0=inactive, nonzero=active
2740 
 
 2740 
 
2741 
======================================================================
 2741 
======================================================================
2742 
========== Function 55, subfunction 0 - load data for SB16. ==========
 2742 
========== Function 55, subfunction 0 - load data for SB16. ==========
2743 
======================================================================
 2743 
======================================================================
2744 
Parameters:
 2744 
Parameters:
2745 
  * eax = 55 - function number
 2745 
  * eax = 55 - function number
2746 
  * ebx = 0 - subfunction number
 2746 
  * ebx = 0 - subfunction number
2747 
  * ecx = pointer to data (is copied 64 kilobytes, is used as much as
 2747 
  * ecx = pointer to data (is copied 64 kilobytes, is used as much as
2748 
    set by subfunction 2)
 2748 
    set by subfunction 2)
2749 
Returned value:
 2749 
Returned value:
2750 
  * function does not return value
 2750 
  * function does not return value
2751 
Remarks:
 2751 
Remarks:
2752 
  * Format and size of data are set by subfunction 2.
 2752 
  * Format and size of data are set by subfunction 2.
2753 
 
 2753 
 
2754 
======================================================================
 2754 
======================================================================
2755 
======== Function 55, subfunction 1 - begin play data on SB16. =======
 2755 
======== Function 55, subfunction 1 - begin play data on SB16. =======
2756 
======================================================================
 2756 
======================================================================
2757 
Parameters:
 2757 
Parameters:
2758 
  * eax = 55 - function number
 2758 
  * eax = 55 - function number
2759 
  * ebx = 1 - subfunction number
 2759 
  * ebx = 1 - subfunction number
2760 
Returned value:
 2760 
Returned value:
2761 
  * function does not return value
 2761 
  * function does not return value
2762 
Remarks:
 2762 
Remarks:
2763 
  * Previously data must be loaded by subfunction 0 and
 2763 
  * Previously data must be loaded by subfunction 0 and
2764 
    their format must be defined by subfunction 2.
 2764 
    their format must be defined by subfunction 2.
2765 
  * Function returns control, when playing of data began; after that
 2765 
  * Function returns control, when playing of data began; after that
2766 
    play goes independently from application (and does not use
 2766 
    play goes independently from application (and does not use
2767 
    processor time at all).
 2767 
    processor time at all).
2768 
  * Previously must be defined SB16 base port
 2768 
  * Previously must be defined SB16 base port
2769 
    (by subfunction 4 of function 21) and DMA channel
 2769 
    (by subfunction 4 of function 21) and DMA channel
2770 
    (by subfunction 10 of function 21).
 2770 
    (by subfunction 10 of function 21).
2771 
 
 2771 
 
2772 
======================================================================
 2772 
======================================================================
2773 
======== Function 55, subfunction 2 - set format of SB16 data. =======
 2773 
======== Function 55, subfunction 2 - set format of SB16 data. =======
2774 
======================================================================
 2774 
======================================================================
2775 
Parameters:
 2775 
Parameters:
2776 
  * eax = 55 - function number
 2776 
  * eax = 55 - function number
2777 
  * ebx = 2 - subfunction number
 2777 
  * ebx = 2 - subfunction number
2778 
  * ecx = 0 - set digit capacity
 2778 
  * ecx = 0 - set digit capacity
2779 
    * edx = 1 - 8bit mono
 2779 
    * edx = 1 - 8bit mono
2780 
    * edx = 2 - 8bit stereo
 2780 
    * edx = 2 - 8bit stereo
2781 
  * ecx = 1 - set data size
 2781 
  * ecx = 1 - set data size
2782 
    * edx = size in bytes
 2782 
    * edx = size in bytes
2783 
  * ecx = 2 - set play frequency
 2783 
  * ecx = 2 - set play frequency
2784 
    * edx = frequency
 2784 
    * edx = frequency
2785 
Returned value:
 2785 
Returned value:
2786 
  * function does not return value
 2786 
  * function does not return value
2787 
Remarks:
 2787 
Remarks:
2788 
  * When the system boots, it sets following default parameters:
 2788 
  * When the system boots, it sets following default parameters:
2789 
    digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz.
 2789 
    digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz.
2790 
    Nevertheless it is recommended to set necessary values obviously
 2790 
    Nevertheless it is recommended to set necessary values obviously
2791 
    as they could be reset by some application.
 2791 
    as they could be reset by some application.
2792 
 
 2792 
 
2793 
======================================================================
 2793 
======================================================================
2794 
 Function 55, subfunction 55 - begin to play data on built-in speaker.
2794 
 Function 55, subfunction 55 - begin to play data on built-in speaker.
2795 
======================================================================
 2795 
======================================================================
2796 
Parameters:
 2796 
Parameters:
2797 
  * eax = 55 - function number
 2797 
  * eax = 55 - function number
2798 
  * ebx = 55 - subfunction number
 2798 
  * ebx = 55 - subfunction number
2799 
  * esi = pointer to data
 2799 
  * esi = pointer to data
2800 
Returned value:
 2800 
Returned value:
2801 
  * eax = 0 - success
 2801 
  * eax = 0 - success
2802 
  * eax = 55 - error (speaker is off or busy)
 2802 
  * eax = 55 - error (speaker is off or busy)
2803 
Data is an array of items with variable length.
 2803 
Data is an array of items with variable length.
2804 
Format of each item is defined by first byte:
 2804 
Format of each item is defined by first byte:
2805 
  * 0 = end of data
 2805 
  * 0 = end of data
2806 
  * 1..0x80 = sets sound duration on 1/100 of second; sound note
 2806 
  * 1..0x80 = sets sound duration on 1/100 of second; sound note
2807 
    is defined by immediate value of frequency
 2807 
    is defined by immediate value of frequency
2808 
    * following word (2 bytes) contains frequency divider;
 2808 
    * following word (2 bytes) contains frequency divider;
2809 
      frequency is defined as 1193180/divider
 2809 
      frequency is defined as 1193180/divider
2810 
  * 0x81 = invalid
 2810 
  * 0x81 = invalid
2811 
  * 0x82..0xFF = note is defined by octave and number:
 2811 
  * 0x82..0xFF = note is defined by octave and number:
2812 
    * duration in 1/100 of second = (first byte)-0x81
 2812 
    * duration in 1/100 of second = (first byte)-0x81
2813 
    * there is one more byte;
 2813 
    * there is one more byte;
2814 
    * (second byte)=0xFF - delay
 2814 
    * (second byte)=0xFF - delay
2815 
    * otherwise it looks like a*0x10+b, where b=number of the note in
 2815 
    * otherwise it looks like a*0x10+b, where b=number of the note in
2816 
      an octave from 1 to 12, a=number of octave (beginning from 0)
 2816 
      an octave from 1 to 12, a=number of octave (beginning from 0)
2817 
Remarks:
 2817 
Remarks:
2818 
  * Speaker play can be disabled/enabled by
 2818 
  * Speaker play can be disabled/enabled by
2819 
    subfunction 8 of function 18.
 2819 
    subfunction 8 of function 18.
2820 
  * Function returns control, having informed the system
 2820 
  * Function returns control, having informed the system
2821 
    an information on request. Play itself goes independently from
 2821 
    an information on request. Play itself goes independently from
2822 
    the program.
 2822 
    the program.
2823 
  * The data must be kept in the memory at least up to the end
 2823 
  * The data must be kept in the memory at least up to the end
2824 
    of play.
 2824 
    of play.
2825 
 
 2825 
 
2826 
======================================================================
 2826 
======================================================================
2827 
================ Function 58 - work with file system. ================
 2827 
================ Function 58 - work with file system. ================
2828 
======================================================================
 2828 
======================================================================
2829 
Parameters:
 2829 
Parameters:
2830 
  * eax = 58
 2830 
  * eax = 58
2831 
  * ebx = pointer to the information structure
 2831 
  * ebx = pointer to the information structure
2832 
Returned value:
 2832 
Returned value:
2833 
  * eax = 0 - success; otherwise file system error code
 2833 
  * eax = 0 - success; otherwise file system error code
2834 
  * some subfunctions return value in other registers too
 2834 
  * some subfunctions return value in other registers too
2835 
General format of the information structure:
 2835 
General format of the information structure:
2836 
  * +0: dword: subfunction number
 2836 
  * +0: dword: subfunction number
2837 
  * +4: dword: number of block
 2837 
  * +4: dword: number of block
2838 
  * +8: dword: size
 2838 
  * +8: dword: size
2839 
  * +12 = +0xC: dword: pointer to data
 2839 
  * +12 = +0xC: dword: pointer to data
2840 
  * +16 = +0x10: dword: pointer to a memory for system operations
 2840 
  * +16 = +0x10: dword: pointer to a memory for system operations
2841 
    (4096 bytes)
 2841 
    (4096 bytes)
2842 
  * +20 = +0x14: n db: ASCIIZ-string with the file name
 2842 
  * +20 = +0x14: n db: ASCIIZ-string with the file name
2843 
Specifications - in documentation on the appropriate subfunction.
 2843 
Specifications - in documentation on the appropriate subfunction.
2844 
Filename is case-insensitive for latin letters, russian letters
 2844 
Filename is case-insensitive for latin letters, russian letters
2845 
must be capital.
 2845 
must be capital.
2846 
Format of filename:
 2846 
Format of filename:
2847 
/base/number/dir1/dir2/.../dirn/file,
 2847 
/base/number/dir1/dir2/.../dirn/file,
2848 
where /base/number identifies device, on which file is located:
 2848 
where /base/number identifies device, on which file is located:
2849 
one of
 2849 
one of
2850 
  * /RD/1 = /RAMDISK/1 to access ramdisk
 2850 
  * /RD/1 = /RAMDISK/1 to access ramdisk
2851 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
 2851 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
2852 
    /FD/2 = /FLOPPYDISK/2 to access second one
 2852 
    /FD/2 = /FLOPPYDISK/2 to access second one
2853 
  * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk
 2853 
  * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk
2854 
    (in this case base is defined by subfunction 7 of function 21),
 2854 
    (in this case base is defined by subfunction 7 of function 21),
2855 
    x - partition number (beginning from 1)
 2855 
    x - partition number (beginning from 1)
2856 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
 2856 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
2857 
    IDE0 (Primary Master), IDE1 (Primary Slave),
 2857 
    IDE0 (Primary Master), IDE1 (Primary Slave),
2858 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
 2858 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
2859 
    x - partition number on the selected hard drive, varies from 1
 2859 
    x - partition number on the selected hard drive, varies from 1
2860 
    to 255 (on each hard drive the indexing starts from 1)
 2860 
    to 255 (on each hard drive the indexing starts from 1)
2861 
Remarks:
 2861 
Remarks:
2862 
  * In the first two cases it is also possible to use FIRST
 2862 
  * In the first two cases it is also possible to use FIRST
2863 
    instead of 1, SECOND instead of 2, but it is not recommended
 2863 
    instead of 1, SECOND instead of 2, but it is not recommended
2864 
    for convenience of transition to the future extensions.
 2864 
    for convenience of transition to the future extensions.
2865 
  * Limitation n<=39 is imposed.
 2865 
  * Limitation n<=39 is imposed.
2866 
  * Names of folders and file dir1,...,dirn,file must have the
 2866 
  * Names of folders and file dir1,...,dirn,file must have the
2867 
    format 8.3: name no more than 8 characters, dot, extension no
 2867 
    format 8.3: name no more than 8 characters, dot, extension no
2868 
    more than 3 characters. Trailing spaces are ignored, no other
 2868 
    more than 3 characters. Trailing spaces are ignored, no other
2869 
    spaces is allowed. If name occupies equally 8 characters,
 2869 
    spaces is allowed. If name occupies equally 8 characters,
2870 
    dot may be omitted (though it is not recommended to use this
 2870 
    dot may be omitted (though it is not recommended to use this
2871 
    feature for convenience of transition to the future extensions).
 2871 
    feature for convenience of transition to the future extensions).
2872 
  * This function does not support folders on ramdisk.
 2872 
  * This function does not support folders on ramdisk.
2873 
Examples:
 2873 
Examples:
2874 
  * '/RAMDISK/FIRST/KERNEL.ASM',0
 2874 
  * '/RAMDISK/FIRST/KERNEL.ASM',0
2875 
    '/rd/1/kernel.asm',0
 2875 
    '/rd/1/kernel.asm',0
2876 
  * '/HD0/1/kernel.asm',0
 2876 
  * '/HD0/1/kernel.asm',0
2877 
  * '/hd0/1/menuet/pics/tanzania.bmp',0
 2877 
  * '/hd0/1/menuet/pics/tanzania.bmp',0
2878 
Existing subfunctions:
 2878 
Existing subfunctions:
2879 
  * subfunction 0 - read file/folder
 2879 
  * subfunction 0 - read file/folder
2880 
  * subfunction 1 - rewrite file
 2880 
  * subfunction 1 - rewrite file
2881 
  * subfunction 4 - make folder
 - 
 
2882 
  * subfunction 5 - rename/move file/folder
 - 
 
2883 
  * subfunction 8 - LBA-read from device
 2881 
  * subfunction 8 - LBA-read from device
2884 
  * subfunction 15 - get file system information
 2882 
  * subfunction 15 - get file system information
2885 
 
 2883 
 
2886 
======================================================================
 2884 
======================================================================
2887 
=========== Function 58, subfunction 0 - read file/folder. ===========
 2885 
=========== Function 58, subfunction 0 - read file/folder. ===========
2888 
======================================================================
 2886 
======================================================================
2889 
Parameters:
 2887 
Parameters:
2890 
  * eax = 58
 2888 
  * eax = 58
2891 
  * ebx = pointer to the information structure
 2889 
  * ebx = pointer to the information structure
2892 
Format of the information structure:
 2890 
Format of the information structure:
2893 
  * +0: dword: 0 = subfunction number
 2891 
  * +0: dword: 0 = subfunction number
2894 
  * +4: dword: first block to read (beginning from 0)
 2892 
  * +4: dword: first block to read (beginning from 0)
2895 
  * +8: dword: amount of blocks to read
 2893 
  * +8: dword: amount of blocks to read
2896 
  * +12 = +0xC: dword: pointer to buffer for data
 2894 
  * +12 = +0xC: dword: pointer to buffer for data
2897 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2895 
  * +16 = +0x10: dword: pointer to buffer for system operations
2898 
    (4096 bytes)
 2896 
    (4096 bytes)
2899 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 2897 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
2900 
    given in the general description
 2898 
    given in the general description
2901 
Returned value:
 2899 
Returned value:
2902 
  * eax = 0 - success, otherwise file system error code
 2900 
  * eax = 0 - success, otherwise file system error code
2903 
  * ebx = file size (in bytes) or -1=0xffffffff, if file was not found
 2901 
  * ebx = file size (in bytes) or -1=0xffffffff, if file was not found
2904 
Remarks:
 2902 
Remarks:
2905 
  * Block size is 512 bytes.
 2903 
  * Block size is 512 bytes.
2906 
  * This function is obsolete, for reading files use subfunction 0
 2904 
  * This function is obsolete, for reading files use subfunction 0
2907 
    of function 70, for reading folders - subfunction 1 of
 2905 
    of function 70, for reading folders - subfunction 1 of
2908 
    function 70.
 2906 
    function 70.
2909 
  * Function can read contents of a folder. Only FAT file system is
 2907 
  * Function can read contents of a folder. Only FAT file system is
2910 
    supported. The format of FAT-folder is described
 2908 
    supported. The format of FAT-folder is described
2911 
    in any FAT documentation.
 2909 
    in any FAT documentation.
2912 
  * Size of a folder is determined by size of FAT clusters chain.
 2910 
  * Size of a folder is determined by size of FAT clusters chain.
2913 
  * If file was ended before last requested block was read,
 2911 
  * If file was ended before last requested block was read,
2914 
    the function will read as many as it can, and after that return
 2912 
    the function will read as many as it can, and after that return
2915 
    eax=6 (EOF).
 2913 
    eax=6 (EOF).
2916 
  * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but
 2914 
  * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but
2917 
    in the first two cases the current implementation does not follow
 2915 
    in the first two cases the current implementation does not follow
2918 
    to the declared rules:
 2916 
    to the declared rules:
2919 
    for /rd/1:
 2917 
    for /rd/1:
2920 
    * if one want to read 0 blocks, function considers,
 2918 
    * if one want to read 0 blocks, function considers,
2921 
      that he requested 1;
 2919 
      that he requested 1;
2922 
    * if one requests more than 14 blocks or starting block is
 2920 
    * if one requests more than 14 blocks or starting block is
2923 
      not less than 14, function returns eax=5 (not found) è ebx=-1;
 2921 
      not less than 14, function returns eax=5 (not found) è ebx=-1;
2924 
    * size of ramdisk root folder is 14 blocks,
2922 
    * size of ramdisk root folder is 14 blocks,
2925 
      0x1C00=7168 áàéò; but function returns ebx=0
 2923 
      0x1C00=7168 áàéò; but function returns ebx=0
2926 
      (except of the case of previous item);
 2924 
      (except of the case of previous item);
2927 
    * strangely enough, it is possible to read 14th block (which
 2925 
    * strangely enough, it is possible to read 14th block (which
2928 
      generally contains a garbage - I remind, the indexing begins
 2926 
      generally contains a garbage - I remind, the indexing begins
2929 
      from 0);
 2927 
      from 0);
2930 
    * if some block with the number not less than 14 was requested,
 2928 
    * if some block with the number not less than 14 was requested,
2931 
      function returns eax=6(EOF); otherwise eax=0.
 2929 
      function returns eax=6(EOF); otherwise eax=0.
2932 
    For /fd/x:
 2930 
    For /fd/x:
2933 
    * if the start block is not less than 14, function returns
 2931 
    * if the start block is not less than 14, function returns
2934 
      eax=5 (not found) and ebx=0;
 2932 
      eax=5 (not found) and ebx=0;
2935 
    * note that format of FAT12 allows floppies with the root size
 2933 
    * note that format of FAT12 allows floppies with the root size
2936 
      more or less than 14 blocks;
 2934 
      more or less than 14 blocks;
2937 
    * check for length is not performed;
 2935 
    * check for length is not performed;
2938 
    * if data was successful read, function returns
 2936 
    * if data was successful read, function returns
2939 
      eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1.
 2937 
      eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1.
2940 
  * The function handles reading of special folders /,/rd,/fd,/hd[n];
 2938 
  * The function handles reading of special folders /,/rd,/fd,/hd[n];
2941 
    but the result does not correspond to expected (on operations with
 2939 
    but the result does not correspond to expected (on operations with
2942 
    normal files/folders), does not follow the declared rules,
 2940 
    normal files/folders), does not follow the declared rules,
2943 
    may be changed in future versions of the kernel and consequently
 2941 
    may be changed in future versions of the kernel and consequently
2944 
    is not described. To obtain the information about the equipment
 2942 
    is not described. To obtain the information about the equipment
2945 
    use subfunction 11 of function 18 or
 2943 
    use subfunction 11 of function 18 or
2946 
    read corresponding folder with subfunction 1 of function 70.
 2944 
    read corresponding folder with subfunction 1 of function 70.
2947 
 
 2945 
 
2948 
======================================================================
 2946 
======================================================================
2949 
============= Function 58, subfunction 1 - rewrite file. =============
 2947 
============= Function 58, subfunction 1 - rewrite file. =============
2950 
======================================================================
 2948 
======================================================================
2951 
If the file does not exist, it is created.
 2949 
If the file does not exist, it is created.
2952 
If the file exists, it is rewritten.
 2950 
If the file exists, it is rewritten.
2953 
Parameters:
 2951 
Parameters:
2954 
  * eax = 58 - function number
 2952 
  * eax = 58 - function number
2955 
  * ebx = pointer to the information structure
 2953 
  * ebx = pointer to the information structure
2956 
Format of the information structure:
 2954 
Format of the information structure:
2957 
  * +0: dword: 1 = subfunction number
 2955 
  * +0: dword: 1 = subfunction number
2958 
  * +4: dword: ignored (set to 0)
 2956 
  * +4: dword: ignored (set to 0)
2959 
  * +8: dword: number of bytes to write
 2957 
  * +8: dword: number of bytes to write
2960 
  * +12 = +0xC: dword: pointer to data to write
 2958 
  * +12 = +0xC: dword: pointer to data to write
2961 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2959 
  * +16 = +0x10: dword: pointer to buffer for system operations
2962 
    (4096 bytes)
 2960 
    (4096 bytes)
2963 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 2961 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
2964 
    given in the general description
 2962 
    given in the general description
2965 
Returned value:
 2963 
Returned value:
2966 
  * eax = 0 - success, otherwise file system error code
 2964 
  * eax = 0 - success, otherwise file system error code
2967 
  * ebx destroyed
 2965 
  * ebx destroyed
2968 
Remarks:
 2966 
Remarks:
2969 
  * This function is obsolete, use subfunction 2 of function 70.
 2967 
  * This function is obsolete, use subfunction 2 of function 70.
2970 
 
 2968 
 
2971 
======================================================================
 2969 
======================================================================
2972 
============== Function 58, subfunction 4 - make folder. =============
 - 
 
2973 
======================================================================
 - 
 
2974 
Parameters:
 - 
 
2975 
  * eax = 58 - function number
 - 
 
2976 
  * ebx = pointer to the information structure
 - 
 
2977 
Format of the information structure:
 - 
 
2978 
  * +0: dword: 4 = subfunction number
 - 
 
2979 
  * +4: dword: ignored
 - 
 
2980 
  * +8: dword: ignored
 - 
 
2981 
  * +12 = +0xC: dword: ignored
 - 
 
2982 
  * +16 = +0x10: dword: pointer to buffer for system operations
 - 
 
2983 
    (4096 bytes)
 - 
 
2984 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 - 
 
2985 
    given in the general description
 - 
 
2986 
Returned value:
 - 
 
2987 
  * eax = 0 - success, otherwise file system error code
 - 
 
2988 
  * ebx destroyed
 - 
 
2989 
Remarks:
 - 
 
2990 
  * Ramdisk and floppies do not support this function, it is only
 - 
 
2991 
    for hard disks.
 - 
 
2992 
 
 - 
 
2993 
======================================================================
 - 
 
2994 
======== Function 58, subfunction 5 - rename/move file/folder. =======
 - 
 
2995 
======================================================================
 - 
 
2996 
Parameters:
 - 
 
2997 
  * eax = 58 - function number
 - 
 
2998 
  * ebx = pointer to the information structure
 - 
 
2999 
Format of the information structure:
 - 
 
3000 
  * +0: dword: 5 = subfunction number
 - 
 
3001 
  * +4: dword: ignored
 - 
 
3002 
  * +8: dword: ignored
 - 
 
3003 
  * +12 = +0xC: dword: ignored
 - 
 
3004 
  * +16 = +0x10: dword: pointer to buffer for system operations
 - 
 
3005 
    (4096 bytes)
 - 
 
3006 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 - 
 
3007 
    given in the general description
 - 
 
3008 
  * +20+n: (at once after terminating null character) new
 - 
 
3009 
    ASCIIZ-name, must start from /hd/1, that is interpreted as
 - 
 
3010 
    the hard disk, indicated in the first name
 - 
 
3011 
    (moving from one disk to another is not supported)
 - 
 
3012 
Returned value:
 - 
 
3013 
  * eax = 0 - success, otherwise file system error code
 - 
 
3014 
  * ebx destroyed
 - 
 
3015 
Remarks:
 - 
 
3016 
  * Ramdisk and floppies do not support this function, it is only
 - 
 
3017 
    for hard disks.
 - 
 
3018 
  * If the new ASCIIZ-name is strongly incorrect, i.e. does not start
 - 
 
3019 
    from /hd/1, /hd/first, /harddisk/1, /harddisk/first or after this
 - 
 
3020 
    space or null character follows, function returns, strangely
 - 
 
3021 
    enough, error code 4. It is the only function which returns
 - 
 
3022 
    this code.
 - 
 
3023 
 
 - 
 
3024 
======================================================================
 - 
 
3025 
========= Function 58, subfunction 8 - LBA-read from device. =========
 2970 
========= Function 58, subfunction 8 - LBA-read from device. =========
3026 
======================================================================
 2971 
======================================================================
3027 
Parameters:
 2972 
Parameters:
3028 
  * eax = 58 - function number
 2973 
  * eax = 58 - function number
3029 
  * ebx = pointer to the information structure
 2974 
  * ebx = pointer to the information structure
3030 
Format of the information structure:
 2975 
Format of the information structure:
3031 
  * +0: dword: 8 = subfunction number
 2976 
  * +0: dword: 8 = subfunction number
3032 
  * +4: dword: number of block to read (beginning from 0)
 2977 
  * +4: dword: number of block to read (beginning from 0)
3033 
  * +8: dword: ignored (set to 1)
 2978 
  * +8: dword: ignored (set to 1)
3034 
  * +12 = +0xC: dword: pointer to buffer for data (512 bytes)
 2979 
  * +12 = +0xC: dword: pointer to buffer for data (512 bytes)
3035 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2980 
  * +16 = +0x10: dword: pointer to buffer for system operations
3036 
    (4096 bytes)
 2981 
    (4096 bytes)
3037 
  * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of
 2982 
  * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of
3038 
    /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n,
 2983 
    /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n,
3039 
    1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3.
 2984 
    1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3.
3040 
    Instead of digits it is allowed, though not recommended for
 2985 
    Instead of digits it is allowed, though not recommended for
3041 
    convenience of transition to future extensions, to use
 2986 
    convenience of transition to future extensions, to use
3042 
    'first','second','third','fourth'.
 2987 
    'first','second','third','fourth'.
3043 
Returned value:
 2988 
Returned value:
3044 
  * for device name /hd/xxx, where xxx is not in the list above:
 2989 
  * for device name /hd/xxx, where xxx is not in the list above:
3045 
    * eax = ebx = 1
 2990 
    * eax = ebx = 1
3046 
  * for invalid device name (except for the previous case):
 2991 
  * for invalid device name (except for the previous case):
3047 
    * eax = 5
 2992 
    * eax = 5
3048 
    * ebx does not change
 2993 
    * ebx does not change
3049 
  * if LBA-access is disabled by subfunction 11 of function 21:
 2994 
  * if LBA-access is disabled by subfunction 11 of function 21:
3050 
    * eax = 2
 2995 
    * eax = 2
3051 
    * ebx destroyed
 2996 
    * ebx destroyed
3052 
  * for ramdisk: attempt to read block outside ramdisk
 2997 
  * for ramdisk: attempt to read block outside ramdisk
3053 
    (18*2*80 blocks) results in
 2998 
    (18*2*80 blocks) results in
3054 
    * eax = 3
 2999 
    * eax = 3
3055 
    * ebx = 0
 3000 
    * ebx = 0
3056 
  * for successful read:
 3001 
  * for successful read:
3057 
    * eax = ebx = 0
 3002 
    * eax = ebx = 0
3058 
Remarks:
 3003 
Remarks:
3059 
  * Block size is 512 bytes; function reads one block.
 3004 
  * Block size is 512 bytes; function reads one block.
3060 
  * Do not depend on returned value, it can be changed
 3005 
  * Do not depend on returned value, it can be changed
3061 
    in future versions.
 3006 
    in future versions.
3062 
  * Function requires that LBA-access to devices is enabled by
3007 
  * Function requires that LBA-access to devices is enabled by
3063 
    subfunction 11 of function 21. To check this one can use
3008 
    subfunction 11 of function 21. To check this one can use
3064 
    subfunction 11 of function 26.
 3009 
    subfunction 11 of function 26.
3065 
  * LBA-read of floppy is not supported.
 3010 
  * LBA-read of floppy is not supported.
3066 
  * Function reads data on physical hard drive; if for any reason
 3011 
  * Function reads data on physical hard drive; if for any reason
3067 
    data of the concrete partition are required, application must
 3012 
    data of the concrete partition are required, application must
3068 
    define starting sector of this partition (either directly
 3013 
    define starting sector of this partition (either directly
3069 
    through MBR, or from the full structure returned by
 3014 
    through MBR, or from the full structure returned by
3070 
    ïîäôóíêöèåé 11 ôóíêöèè 18).
 3015 
    ïîäôóíêöèåé 11 ôóíêöèè 18).
3071 
  * Function does not check error code of hard disk, so request of
 3016 
  * Function does not check error code of hard disk, so request of
3072 
    nonexisting sector reads something (most probably it will be
 3017 
    nonexisting sector reads something (most probably it will be
3073 
    zeroes, but this is defined by device) and this is considered
 3018 
    zeroes, but this is defined by device) and this is considered
3074 
    as success (eax=0).
 3019 
    as success (eax=0).
3075 
 
 3020 
 
3076 
======================================================================
 3021 
======================================================================
3077 
==== Function 58, subfunction 15 - get information on file system. ===
 3022 
==== Function 58, subfunction 15 - get information on file system. ===
3078 
======================================================================
 3023 
======================================================================
3079 
Parameters:
 3024 
Parameters:
3080 
  * eax = 58 - function number
 3025 
  * eax = 58 - function number
3081 
  * ebx = pointer to the information structure
 3026 
  * ebx = pointer to the information structure
3082 
Format of the information structure:
 3027 
Format of the information structure:
3083 
  * +0: dword: 15 = subfunction number
 3028 
  * +0: dword: 15 = subfunction number
3084 
  * +4: dword: ignored
 3029 
  * +4: dword: ignored
3085 
  * +8: dword: ignored
 3030 
  * +8: dword: ignored
3086 
  * +12 = +0xC: dword: ignored
 3031 
  * +12 = +0xC: dword: ignored
3087 
  * +16 = +0x10: dword: ignored
 3032 
  * +16 = +0x10: dword: ignored
3088 
  * +20 = +0x14: (only second character is checked)
 3033 
  * +20 = +0x14: (only second character is checked)
3089 
    /rd=/RAMDISK or /hd=/HARDDISK
 3034 
    /rd=/RAMDISK or /hd=/HARDDISK
3090 
Returned value:
 3035 
Returned value:
3091 
  * if the second character does not belong to set {'r','R','h','H'}:
 3036 
  * if the second character does not belong to set {'r','R','h','H'}:
3092 
    * eax = 3
 3037 
    * eax = 3
3093 
    * ebx = ecx = dword [fileinfo] = 0
 3038 
    * ebx = ecx = dword [fileinfo] = 0
3094 
  * for ramdisk:
 3039 
  * for ramdisk:
3095 
    * eax = 0 (success)
 3040 
    * eax = 0 (success)
3096 
    * ebx = total number of clusters = 2847
 3041 
    * ebx = total number of clusters = 2847
3097 
    * ecx = number of free clusters
 3042 
    * ecx = number of free clusters
3098 
    * dword [fileinfo] = cluster size = 512
 3043 
    * dword [fileinfo] = cluster size = 512
3099 
  * for hard disk: base and partition are defined by subfunctions
 3044 
  * for hard disk: base and partition are defined by subfunctions
3100 
    7 and 8 of function 21:
 3045 
    7 and 8 of function 21:
3101 
    * eax = 0 (success)
 3046 
    * eax = 0 (success)
3102 
    * ebx = total number of clusters
 3047 
    * ebx = total number of clusters
3103 
    * ecx = number of free clusters
 3048 
    * ecx = number of free clusters
3104 
    * dword [fileinfo] = cluster size (in bytes)
 3049 
    * dword [fileinfo] = cluster size (in bytes)
3105 
Remarks:
 3050 
Remarks:
3106 
  * Be not surprised to strange layout of 4th returned parameter
 3051 
  * Be not surprised to strange layout of 4th returned parameter
3107 
    - when this code was writing, at system calls application got
 3052 
    - when this code was writing, at system calls application got
3108 
    only registers eax,ebx,ecx (from pushad-structure transmitted
 3053 
    only registers eax,ebx,ecx (from pushad-structure transmitted
3109 
    as argument to the system function). Now it is corrected, so,
 3054 
    as argument to the system function). Now it is corrected, so,
3110 
    probably, it is meaningful to return cluster size in edx, while
 3055 
    probably, it is meaningful to return cluster size in edx, while
3111 
    this function is not used yet.
 3056 
    this function is not used yet.
3112 
  * There exists also subfunction 11 of function 18,
 3057 
  * There exists also subfunction 11 of function 18,
3113 
    which returns information on file system. From the full table
 3058 
    which returns information on file system. From the full table
3114 
    of disk subsystem it is possible to deduce cluster size (there
 3059 
    of disk subsystem it is possible to deduce cluster size (there
3115 
    it is stored in sectors) and total number of clusters
 3060 
    it is stored in sectors) and total number of clusters
3116 
    for hard disks.
 3061 
    for hard disks.
3117 
 
 3062 
 
3118 
======================================================================
 3063 
======================================================================
3119 
========== Function 60 - Inter Process Communication (IPC). ==========
 3064 
========== Function 60 - Inter Process Communication (IPC). ==========
3120 
======================================================================
 3065 
======================================================================
3121 
IPC is used for message dispatching from one process/thread to
 3066 
IPC is used for message dispatching from one process/thread to
3122 
another. Previously it is necessary to agree how to interpret
 3067 
another. Previously it is necessary to agree how to interpret
3123 
the concrete message.
 3068 
the concrete message.
3124 
 
 3069 
 
3125 
----------- Subfunction 1 - set the area for IPC receiving -----------
 3070 
----------- Subfunction 1 - set the area for IPC receiving -----------
3126 
Is called by process-receiver.
 3071 
Is called by process-receiver.
3127 
Parameters:
 3072 
Parameters:
3128 
  * eax = 60 - function number
 3073 
  * eax = 60 - function number
3129 
  * ebx = 1 - subfunction number
 3074 
  * ebx = 1 - subfunction number
3130 
  * ecx = pointer to the buffer
 3075 
  * ecx = pointer to the buffer
3131 
  * edx = size of the buffer
 3076 
  * edx = size of the buffer
3132 
Returned value:
 3077 
Returned value:
3133 
  * eax = 0 - always success
 3078 
  * eax = 0 - always success
3134 
Format of IPC-buffer:
 3079 
Format of IPC-buffer:
3135 
  * +0: dword: if nonzero, buffer is considered locked;
 3080 
  * +0: dword: if nonzero, buffer is considered locked;
3136 
    lock/unlock the buffer, when you work with it and need that
 3081 
    lock/unlock the buffer, when you work with it and need that
3137 
    buffer data are not changed from outside (no new messages)
 3082 
    buffer data are not changed from outside (no new messages)
3138 
  * +4: dword: occupied place in the buffer (in bytes)
 3083 
  * +4: dword: occupied place in the buffer (in bytes)
3139 
  * +8: first message
 3084 
  * +8: first message
3140 
  * +8+n: second message
 3085 
  * +8+n: second message
3141 
  * ...
 3086 
  * ...
3142 
Format of a message:
 3087 
Format of a message:
3143 
  * +0: dword: PID of sender
 3088 
  * +0: dword: PID of sender
3144 
  * +4: dword: message length (not including this header)
 3089 
  * +4: dword: message length (not including this header)
3145 
  * +8: n*byte: message data
 3090 
  * +8: n*byte: message data
3146 
 
 3091 
 
3147 
------------------ Subfunction 2 - send IPC message ------------------
 3092 
------------------ Subfunction 2 - send IPC message ------------------
3148 
Is called by process-sender.
 3093 
Is called by process-sender.
3149 
Parameters:
 3094 
Parameters:
3150 
  * eax = 60 - function number
 3095 
  * eax = 60 - function number
3151 
  * ebx = 2 - subfunction number
 3096 
  * ebx = 2 - subfunction number
3152 
  * ecx = PID of receiver
 3097 
  * ecx = PID of receiver
3153 
  * edx = pointer to the message data
 3098 
  * edx = pointer to the message data
3154 
  * esi = message length (in bytes)
 3099 
  * esi = message length (in bytes)
3155 
Returned value:
 3100 
Returned value:
3156 
  * eax = 0 - success
 3101 
  * eax = 0 - success
3157 
  * eax = 1 - the receiver has not defined buffer for IPC messages
 3102 
  * eax = 1 - the receiver has not defined buffer for IPC messages
3158 
    (can be, still have no time,
 3103 
    (can be, still have no time,
3159 
    and can be, this is not right process)
 3104 
    and can be, this is not right process)
3160 
  * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit
 3105 
  * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit
3161 
  * eax = 3 - overflow of IPC-buffer of the receiver
 3106 
  * eax = 3 - overflow of IPC-buffer of the receiver
3162 
  * eax = 4 - process/thread with such PID does not exist
 3107 
  * eax = 4 - process/thread with such PID does not exist
3163 
Remarks:
 3108 
Remarks:
3164 
  * Immediately after writing of IPC-message to the buffer the system
 3109 
  * Immediately after writing of IPC-message to the buffer the system
3165 
    sends to the receiver the event with code 7 (see event codes).
 3110 
    sends to the receiver the event with code 7 (see event codes).
3166 
 
 3111 
 
3167 
======================================================================
 3112 
======================================================================
3168 
==== Function 61 - get parameters for the direct graphics access. ====
 3113 
==== Function 61 - get parameters for the direct graphics access. ====
3169 
======================================================================
 3114 
======================================================================
3170 
The data of the graphics screen (the memory area which displays
 3115 
The data of the graphics screen (the memory area which displays
3171 
screen contents) are accessible to a program directly, without
 3116 
screen contents) are accessible to a program directly, without
3172 
any system calls, through the selector gs:
 3117 
any system calls, through the selector gs:
3173 
	mov	eax, [gs:0]
 3118 
	mov	eax, [gs:0]
3174 
places in eax the first dword of the buffer, which contains
 3119 
places in eax the first dword of the buffer, which contains
3175 
information on color of the left upper point (and, possibly, colors
 3120 
information on color of the left upper point (and, possibly, colors
3176 
of several following).
 3121 
of several following).
3177 
	mov	[gs:0], eax
 3122 
	mov	[gs:0], eax
3178 
by work in VESA modes with LFB sets color of the left upper point
 3123 
by work in VESA modes with LFB sets color of the left upper point
3179 
(and, possibly, colors of several following).
 3124 
(and, possibly, colors of several following).
3180 
To interpret the data of graphics screen program needs to know
 3125 
To interpret the data of graphics screen program needs to know
3181 
some parameters, returning by this function.
 3126 
some parameters, returning by this function.
3182 
Remarks:
 3127 
Remarks:
3183 
  * Graphics parameters changes very seldom at work,
 3128 
  * Graphics parameters changes very seldom at work,
3184 
    namely, only in cases, when user works with the application VRR.
 3129 
    namely, only in cases, when user works with the application VRR.
3185 
  * At videomode change the system redraws all windows (event
 3130 
  * At videomode change the system redraws all windows (event
3186 
    with code 1) and redraws the background (event 5).
 3131 
    with code 1) and redraws the background (event 5).
3187 
    Same events occur in other cases too, which meet much more often,
 3132 
    Same events occur in other cases too, which meet much more often,
3188 
    than videomode change.
 3133 
    than videomode change.
3189 
  * By operation in videomodes with LFB the selector gs points to
 3134 
  * By operation in videomodes with LFB the selector gs points to
3190 
    LFB itself, so reading/writing on gs result directly in
 3135 
    LFB itself, so reading/writing on gs result directly in
3191 
    change of screen contents. By operation in videomodes without
 3136 
    change of screen contents. By operation in videomodes without
3192 
    LFB gs points to some data area in the kernel, and all functions
 3137 
    LFB gs points to some data area in the kernel, and all functions
3193 
    of screen output fulfil honesty double operation on writing
 3138 
    of screen output fulfil honesty double operation on writing
3194 
    directly to the screen and writing to this buffer. In result
 3139 
    directly to the screen and writing to this buffer. In result
3195 
    at reading contents of this buffer the results correspond to
 3140 
    at reading contents of this buffer the results correspond to
3196 
    screen contents (with, generally speaking, large color
 3141 
    screen contents (with, generally speaking, large color
3197 
    resolution), and writing is ignored.
 3142 
    resolution), and writing is ignored.
3198 
    One exception is the mode 320*200, for which main loop of the
 3143 
    One exception is the mode 320*200, for which main loop of the
3199 
    system thread updates the screen according to mouse movements.
 3144 
    system thread updates the screen according to mouse movements.
3200 
 
 3145 
 
3201 
------------------------- Screen resolution --------------------------
 3146 
------------------------- Screen resolution --------------------------
3202 
Parameters:
 3147 
Parameters:
3203 
  * eax = 61 - function number
 3148 
  * eax = 61 - function number
3204 
  * ebx = 1 - subfunction number
 3149 
  * ebx = 1 - subfunction number
3205 
Returned value:
 3150 
Returned value:
3206 
  * eax = [resolution on x axis]*65536 + [resolution on y axis]
 3151 
  * eax = [resolution on x axis]*65536 + [resolution on y axis]
3207 
Remarks:
 3152 
Remarks:
3208 
  * One can use function 14 paying attention that
 3153 
  * One can use function 14 paying attention that
3209 
    it returns sizes on 1 pixel less. It is fully equivalent way.
 3154 
    it returns sizes on 1 pixel less. It is fully equivalent way.
3210 
 
 3155 
 
3211 
---------------------- Number of bits per pixel ----------------------
 3156 
---------------------- Number of bits per pixel ----------------------
3212 
Parameters:
 3157 
Parameters:
3213 
  * eax = 61 - function number
 3158 
  * eax = 61 - function number
3214 
  * ebx = 2 - subfunction number
 3159 
  * ebx = 2 - subfunction number
3215 
Returned value:
 3160 
Returned value:
3216 
  * eax = number of bits per pixel (24 or 32)
 3161 
  * eax = number of bits per pixel (24 or 32)
3217 
 
 3162 
 
3218 
-------------------- Number of bytes per scanline --------------------
 3163 
-------------------- Number of bytes per scanline --------------------
3219 
Parameters:
 3164 
Parameters:
3220 
  * eax = 61 - function number
 3165 
  * eax = 61 - function number
3221 
  * ebx = 3 - subfunction number
 3166 
  * ebx = 3 - subfunction number
3222 
Returned value:
 3167 
Returned value:
3223 
  * eax = number of bytes occupied by one scanline
 3168 
  * eax = number of bytes occupied by one scanline
3224 
    (horizontal line on the screen)
 3169 
    (horizontal line on the screen)
3225 
 
 3170 
 
3226 
======================================================================
 3171 
======================================================================
3227 
===== Function 62, subfunction 0 - get version of PCI-interface. =====
 3172 
===== Function 62, subfunction 0 - get version of PCI-interface. =====
3228 
======================================================================
 3173 
======================================================================
3229 
Parameters:
 3174 
Parameters:
3230 
  * eax = 62 - function number
 3175 
  * eax = 62 - function number
3231 
  * bl = 0 - subfunction number
 3176 
  * bl = 0 - subfunction number
3232 
Returned value:
 3177 
Returned value:
3233 
  * eax = -1 - PCI access is disabled; otherwise
 3178 
  * eax = -1 - PCI access is disabled; otherwise
3234 
  * ah.al = version of PCI-interface (ah=version, al=subversion)
 3179 
  * ah.al = version of PCI-interface (ah=version, al=subversion)
3235 
  * high word of eax is zeroed
 3180 
  * high word of eax is zeroed
3236 
Remarks:
 3181 
Remarks:
3237 
  * Previously low-level access to PCI for applications must be
 3182 
  * Previously low-level access to PCI for applications must be
3238 
    enabled by subfunction 12 of function 21.
 3183 
    enabled by subfunction 12 of function 21.
3239 
  * If PCI BIOS is not supported, the value of ax is undefined.
 3184 
  * If PCI BIOS is not supported, the value of ax is undefined.
3240 
 
 3185 
 
3241 
======================================================================
 3186 
======================================================================
3242 
==== Function 62, subfunction 1 - get number of the last PCI-bus. ====
 3187 
==== Function 62, subfunction 1 - get number of the last PCI-bus. ====
3243 
======================================================================
 3188 
======================================================================
3244 
Parameters:
 3189 
Parameters:
3245 
  * eax = 62 - function number
 3190 
  * eax = 62 - function number
3246 
  * bl = 1 - subfunction number
 3191 
  * bl = 1 - subfunction number
3247 
Returned value:
 3192 
Returned value:
3248 
  * eax = -1 - access to PCI is disabled; otherwise
 3193 
  * eax = -1 - access to PCI is disabled; otherwise
3249 
  * al = number of the last PCI-bus; other bytes of eax are destroyed
 3194 
  * al = number of the last PCI-bus; other bytes of eax are destroyed
3250 
Remarks:
 3195 
Remarks:
3251 
  * Previously low-level access to PCI for applications must be
 3196 
  * Previously low-level access to PCI for applications must be
3252 
    enabled by subfunction 12 of function 21.
 3197 
    enabled by subfunction 12 of function 21.
3253 
  * If PCI BIOS is not supported, the value of ax is undefined.
 3198 
  * If PCI BIOS is not supported, the value of ax is undefined.
3254 
 
 3199 
 
3255 
======================================================================
 3200 
======================================================================
3256 
===================== Function 62, subfunction 2 =====================
 3201 
===================== Function 62, subfunction 2 =====================
3257 
===== Get mechanism of addressing to the PCI configuration space. ====
 3202 
===== Get mechanism of addressing to the PCI configuration space. ====
3258 
======================================================================
 3203 
======================================================================
3259 
Parameters:
 3204 
Parameters:
3260 
  * eax = 62 - function number
 3205 
  * eax = 62 - function number
3261 
  * bl = 2 - subfunction number
 3206 
  * bl = 2 - subfunction number
3262 
Returned value:
 3207 
Returned value:
3263 
  * eax = -1 - access to PCI is disabled; otherwise
 3208 
  * eax = -1 - access to PCI is disabled; otherwise
3264 
  * al = mechanism (1 or 2); other bytes of eax are destroyed
 3209 
  * al = mechanism (1 or 2); other bytes of eax are destroyed
3265 
Remarks:
 3210 
Remarks:
3266 
  * Previously low-level access to PCI for applications must be
 3211 
  * Previously low-level access to PCI for applications must be
3267 
    enabled by subfunction 12 of function 21.
 3212 
    enabled by subfunction 12 of function 21.
3268 
  * Addressing mechanism is selected depending on
 3213 
  * Addressing mechanism is selected depending on
3269 
    equipment characteristics.
 3214 
    equipment characteristics.
3270 
  * Subfunctions of read and write work automatically
 3215 
  * Subfunctions of read and write work automatically
3271 
    with the selected mechanism.
 3216 
    with the selected mechanism.
3272 
 
 3217 
 
3273 
======================================================================
 3218 
======================================================================
3274 
======== Function 62, subfunctions 4,5,6 - read PCI-register. ========
 3219 
======== Function 62, subfunctions 4,5,6 - read PCI-register. ========
3275 
======================================================================
 3220 
======================================================================
3276 
Parameters:
 3221 
Parameters:
3277 
  * eax = 62 - function number
 3222 
  * eax = 62 - function number
3278 
  * bl = 4 - read byte
 3223 
  * bl = 4 - read byte
3279 
  * bl = 5 - read word
 3224 
  * bl = 5 - read word
3280 
  * bl = 6 - read dword
 3225 
  * bl = 6 - read dword
3281 
  * bh = number of PCI-bus
 3226 
  * bh = number of PCI-bus
3282 
  * ch = dddddfff, where ddddd = number of the device on the bus,
 3227 
  * ch = dddddfff, where ddddd = number of the device on the bus,
3283 
    fff = function number of device
 3228 
    fff = function number of device
3284 
  * cl = number of register (must be even for bl=5,
 3229 
  * cl = number of register (must be even for bl=5,
3285 
    divisible by 4 for bl=6)
 3230 
    divisible by 4 for bl=6)
3286 
Returned value:
 3231 
Returned value:
3287 
  * eax = -1 - error (access to PCI is disabled or parameters
 3232 
  * eax = -1 - error (access to PCI is disabled or parameters
3288 
    are not supported); otherwise
 3233 
    are not supported); otherwise
3289 
  * al/ax/eax (depending on requested size) contains the data;
 3234 
  * al/ax/eax (depending on requested size) contains the data;
3290 
    the other part of register eax is destroyed
 3235 
    the other part of register eax is destroyed
3291 
Remarks:
 3236 
Remarks:
3292 
  * Previously low-level access to PCI for applications must be
 3237 
  * Previously low-level access to PCI for applications must be
3293 
    enabled by subfunction 12 of function 21.
 3238 
    enabled by subfunction 12 of function 21.
3294 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
 3239 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
3295 
    function number. To get access mechanism use subfunction 2.
 3240 
    function number. To get access mechanism use subfunction 2.
3296 
  * Some registers are standard and exist for all devices, some are
 3241 
  * Some registers are standard and exist for all devices, some are
3297 
    defined by the concrete device. The list of registers of the
 3242 
    defined by the concrete device. The list of registers of the
3298 
    first type can be found e.g. in famous
 3243 
    first type can be found e.g. in famous
3299 
    Interrupt List by Ralf Brown
 3244 
    Interrupt List by Ralf Brown
3300 
    (http://www.pobox.com/~ralf/files.html,
 3245 
    (http://www.pobox.com/~ralf/files.html,
3301 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/);
 3246 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/);
3302 
    registers of the second type must be listed
 3247 
    registers of the second type must be listed
3303 
    in the device documentation.
 3248 
    in the device documentation.
3304 
 
 3249 
 
3305 
======================================================================
 3250 
======================================================================
3306 
====== Function 62, subfunctions 8,9,10 - write to PCI-register. =====
 3251 
====== Function 62, subfunctions 8,9,10 - write to PCI-register. =====
3307 
======================================================================
 3252 
======================================================================
3308 
Parameters:
 3253 
Parameters:
3309 
  * eax = 62 - function number
 3254 
  * eax = 62 - function number
3310 
  * bl = 8 - write byte
 3255 
  * bl = 8 - write byte
3311 
  * bl = 9 - write word
 3256 
  * bl = 9 - write word
3312 
  * bl = 10 - write dword
 3257 
  * bl = 10 - write dword
3313 
  * bh = number of PCI-bus
 3258 
  * bh = number of PCI-bus
3314 
  * ch = dddddfff, where ddddd = number of the device on the bus,
 3259 
  * ch = dddddfff, where ddddd = number of the device on the bus,
3315 
    fff = function number of device
 3260 
    fff = function number of device
3316 
  * cl = number of register (must be even for bl=9,
 3261 
  * cl = number of register (must be even for bl=9,
3317 
    divisible by 4 for bl=10)
 3262 
    divisible by 4 for bl=10)
3318 
  * dl/dx/edx (depending on requested size) contatins
 3263 
  * dl/dx/edx (depending on requested size) contatins
3319 
    the data to write
 3264 
    the data to write
3320 
Returned value:
 3265 
Returned value:
3321 
  * eax = -1 - error (access to PCI is disabled or parameters
 3266 
  * eax = -1 - error (access to PCI is disabled or parameters
3322 
    are not supported)
 3267 
    are not supported)
3323 
  * eax = 0 - success
 3268 
  * eax = 0 - success
3324 
Remarks:
 3269 
Remarks:
3325 
  * Previously low-level access to PCI for applications must be
 3270 
  * Previously low-level access to PCI for applications must be
3326 
    enabled by subfunction 12 of function 21.
 3271 
    enabled by subfunction 12 of function 21.
3327 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
 3272 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
3328 
    function number. To get access mechanism use subfunction 2.
 3273 
    function number. To get access mechanism use subfunction 2.
3329 
  * Some registers are standard and exist for all devices, some are
 3274 
  * Some registers are standard and exist for all devices, some are
3330 
    defined by the concrete device. The list of registers of the
 3275 
    defined by the concrete device. The list of registers of the
3331 
    first type can be found e.g. in famous Interrupt List by
 3276 
    first type can be found e.g. in famous Interrupt List by
3332 
    Ralf Brown; registers of the second type must be listed
 3277 
    Ralf Brown; registers of the second type must be listed
3333 
    in the device documentation.
 3278 
    in the device documentation.
3334 
 
 3279 
 
3335 
======================================================================
 3280 
======================================================================
3336 
============== Function 63 - work with the debug board. ==============
 3281 
============== Function 63 - work with the debug board. ==============
3337 
======================================================================
 3282 
======================================================================
3338 
The debug board is the global system buffer (with the size
 3283 
The debug board is the global system buffer (with the size
3339 
512 bytes), to which any program can write (generally speaking,
 3284 
512 bytes), to which any program can write (generally speaking,
3340 
arbitrary) data and from which other program can read these data.
 3285 
arbitrary) data and from which other program can read these data.
3341 
By the agreement written data are text strings interpreted as
 3286 
By the agreement written data are text strings interpreted as
3342 
debug messages on a course of program execution. The kernel in
 3287 
debug messages on a course of program execution. The kernel in
3343 
some situations also writes to the debug board information on
 3288 
some situations also writes to the debug board information on
3344 
execution of some functions; by the agreement kernel messages
 3289 
execution of some functions; by the agreement kernel messages
3345 
begins from the prefix "K : ".
 3290 
begins from the prefix "K : ".
3346 
For view of the debug board the application 'board' was created,
 3291 
For view of the debug board the application 'board' was created,
3347 
which reads data from the buffer and displays them in its window.
 3292 
which reads data from the buffer and displays them in its window.
3348 
'board' interpretes the sequence of codes 13,10 as newline.
 3293 
'board' interpretes the sequence of codes 13,10 as newline.
3349 
A character with null code in an end of line is not necessary,
 3294 
A character with null code in an end of line is not necessary,
3350 
but also does not prevent.
 3295 
but also does not prevent.
3351 
Because debugger has been written, the value of the debug board
 3296 
Because debugger has been written, the value of the debug board
3352 
has decreased, as debugger allows to inspect completely a course of
 3297 
has decreased, as debugger allows to inspect completely a course of
3353 
program execution without any efforts from the direction of program
 3298 
program execution without any efforts from the direction of program
3354 
itself. Nevertheless in some cases the debug board is still useful.
 3299 
itself. Nevertheless in some cases the debug board is still useful.
3355 
 
 3300 
 
3356 
----------------------------- Write byte -----------------------------
 3301 
----------------------------- Write byte -----------------------------
3357 
Parameters:
 3302 
Parameters:
3358 
  * eax = 63 - function number
 3303 
  * eax = 63 - function number
3359 
  * ebx = 1 - subfunction number
 3304 
  * ebx = 1 - subfunction number
3360 
  * cl = data byte
 3305 
  * cl = data byte
3361 
Returned value:
 3306 
Returned value:
3362 
  * function does not return value
 3307 
  * function does not return value
3363 
Remarks:
 3308 
Remarks:
3364 
  * Byte is written to the buffer. Buffer size is 512 bytes.
 3309 
  * Byte is written to the buffer. Buffer size is 512 bytes.
3365 
    At buffer overflow all obtained data are lost.
 3310 
    At buffer overflow all obtained data are lost.
3366 
  * For output to the debug board of more complicated objects
 3311 
  * For output to the debug board of more complicated objects
3367 
    (strings, numbers) it is enough to call this function in cycle.
 3312 
    (strings, numbers) it is enough to call this function in cycle.
3368 
    It is possible not to write the appropriate code manually and use
 3313 
    It is possible not to write the appropriate code manually and use
3369 
    file 'debug.inc', which is included into the distributive.
 3314 
    file 'debug.inc', which is included into the distributive.
3370 
 
 3315 
 
3371 
----------------------------- Read byte ------------------------------
 3316 
----------------------------- Read byte ------------------------------
3372 
Takes away byte from the buffer.
 3317 
Takes away byte from the buffer.
3373 
Parameters:
 3318 
Parameters:
3374 
  * eax = 63 - function number
 3319 
  * eax = 63 - function number
3375 
  * ebx = 2 - subfunction number
 3320 
  * ebx = 2 - subfunction number
3376 
Returned value:
 3321 
Returned value:
3377 
  * eax = ebx = 0 - the buffer is empty
 3322 
  * eax = ebx = 0 - the buffer is empty
3378 
  * eax = byte, ebx = 1 - byte was successfully read
 3323 
  * eax = byte, ebx = 1 - byte was successfully read
3379 
 
 3324 
 
3380 
======================================================================
 3325 
======================================================================
3381 
============== Function 64 - resize application memory. ==============
 3326 
============== Function 64 - resize application memory. ==============
3382 
======================================================================
 3327 
======================================================================
3383 
Parameters:
 3328 
Parameters:
3384 
  * eax = 64 - function number
 3329 
  * eax = 64 - function number
3385 
  * ebx = 1 - unique subfunction
 3330 
  * ebx = 1 - unique subfunction
3386 
  * ecx = new memory size
 3331 
  * ecx = new memory size
3387 
Returned value:
 3332 
Returned value:
3388 
  * eax = 0 - success
 3333 
  * eax = 0 - success
3389 
  * eax = 1 - not enough memory
 3334 
  * eax = 1 - not enough memory
3390 
Remarks:
 3335 
Remarks:
3391 
  * There is another way to dynamically allocate/free memory -
 3336 
  * There is another way to dynamically allocate/free memory -
3392 
    subfunctions 11, 12, 13 of function 68.
 3337 
    subfunctions 11, 12, 13 of function 68.
3393 
  * The function cannot be used together with 68.11, 68.12, 68.13.
 3338 
  * The function cannot be used together with 68.11, 68.12, 68.13.
3394 
    The function call will be ignored after creation of process heap
 3339 
    The function call will be ignored after creation of process heap
3395 
    with function 68.11.
 3340 
    with function 68.11.
3396 
 
 3341 
 
3397 
======================================================================
 3342 
======================================================================
3398 
======== Function 65 - draw image with palette in the window. ========
 3343 
======== Function 65 - draw image with palette in the window. ========
3399 
======================================================================
 3344 
======================================================================
3400 
Parameters:
 3345 
Parameters:
3401 
  * eax = 65 - function number
 3346 
  * eax = 65 - function number
3402 
  * ebx = pointer to the image
 3347 
  * ebx = pointer to the image
3403 
  * ecx = [size on axis x]*65536 + [size on axis y]
 3348 
  * ecx = [size on axis x]*65536 + [size on axis y]
3404 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 3349 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
3405 
  * esi = number of bits per pixel, must be 8, 24 or 32
 3350 
  * esi = number of bits per pixel, must be 8, 24 or 32
3406 
  * edi = pointer to palette (256 colors 0x00RRGGBB);
 3351 
  * edi = pointer to palette (256 colors 0x00RRGGBB);
3407 
          ignored when esi = 24 and 32
 3352 
          ignored when esi = 24 and 32
3408 
  * ebp = offset of next row data relative to previous row data
 3353 
  * ebp = offset of next row data relative to previous row data
3409 
Returned value:
 3354 
Returned value:
3410 
  * function does not return value
 3355 
  * function does not return value
3411 
Remarks:
 3356 
Remarks:
3412 
  * Coordinates of the image are coordinates of the upper left corner
 3357 
  * Coordinates of the image are coordinates of the upper left corner
3413 
    of the image relative to the window.
 3358 
    of the image relative to the window.
3414 
  * Size of the image in bytes is xsize*ysize.
 3359 
  * Size of the image in bytes is xsize*ysize.
3415 
  * Each byte of image is index in the palette.
 3360 
  * Each byte of image is index in the palette.
3416 
  * If the image uses less than 256 colors, palette size may be
 3361 
  * If the image uses less than 256 colors, palette size may be
3417 
    less than 256 too.
 3362 
    less than 256 too.
3418 
  * The call to function 7 is equivalent to call to this function
 3363 
  * The call to function 7 is equivalent to call to this function
3419 
    with esi=24, ebp=0.
 3364 
    with esi=24, ebp=0.
3420 
 
 3365 
 
3421 
======================================================================
 3366 
======================================================================
3422 
================== Function 66 - work with keyboard. =================
 3367 
================== Function 66 - work with keyboard. =================
3423 
======================================================================
 3368 
======================================================================
3424 
The input mode influences results of reading keys by function 2.
 3369 
The input mode influences results of reading keys by function 2.
3425 
When a program loads, ASCII input mode is set for it.
 3370 
When a program loads, ASCII input mode is set for it.
3426 
 
 3371 
 
3427 
-------------- Subfunction 1 - set keyboard input mode. --------------
 3372 
-------------- Subfunction 1 - set keyboard input mode. --------------
3428 
Parameters:
 3373 
Parameters:
3429 
  * eax = 66 - function number
 3374 
  * eax = 66 - function number
3430 
  * ebx = 1 - subfunction number
 3375 
  * ebx = 1 - subfunction number
3431 
  * ecx = mode:
 3376 
  * ecx = mode:
3432 
    * 0 = normal (ASCII-characters)
 3377 
    * 0 = normal (ASCII-characters)
3433 
    * 1 = scancodes
 3378 
    * 1 = scancodes
3434 
Returned value:
 3379 
Returned value:
3435 
  * function does not return value
 3380 
  * function does not return value
3436 
 
 3381 
 
3437 
-------------- Subfunction 2 - get keyboard input mode. --------------
 3382 
-------------- Subfunction 2 - get keyboard input mode. --------------
3438 
Parameters:
 3383 
Parameters:
3439 
  * eax = 66 - function number
 3384 
  * eax = 66 - function number
3440 
  * ebx = 2 - subfunction number
 3385 
  * ebx = 2 - subfunction number
3441 
Returned value:
 3386 
Returned value:
3442 
  * eax = current mode
 3387 
  * eax = current mode
3443 
 
 3388 
 
3444 
------------ Subfunction 3 - get status of control keys. -------------
 3389 
------------ Subfunction 3 - get status of control keys. -------------
3445 
Parameters:
 3390 
Parameters:
3446 
  * eax = 66 - function number
 3391 
  * eax = 66 - function number
3447 
  * ebx = 3 - subfunction number
 3392 
  * ebx = 3 - subfunction number
3448 
Returned value:
 3393 
Returned value:
3449 
  * eax = bit mask:
 3394 
  * eax = bit mask:
3450 
  * bit 0 (mask 1): left Shift is pressed
 3395 
  * bit 0 (mask 1): left Shift is pressed
3451 
  * bit 1 (mask 2): right Shift is pressed
 3396 
  * bit 1 (mask 2): right Shift is pressed
3452 
  * bit 2 (mask 4): left Ctrl is pressed
 3397 
  * bit 2 (mask 4): left Ctrl is pressed
3453 
  * bit 3 (mask 8): right Ctrl is pressed
 3398 
  * bit 3 (mask 8): right Ctrl is pressed
3454 
  * bit 4 (mask 0x10): left Alt is pressed
 3399 
  * bit 4 (mask 0x10): left Alt is pressed
3455 
  * bit 5 (mask 0x20): right Alt is pressed
 3400 
  * bit 5 (mask 0x20): right Alt is pressed
3456 
  * bit 6 (mask 0x40): CapsLock is on
 3401 
  * bit 6 (mask 0x40): CapsLock is on
3457 
  * bit 7 (mask 0x80): NumLock is on
 3402 
  * bit 7 (mask 0x80): NumLock is on
3458 
  * bit 8 (mask 0x100): ScrollLock is on
 3403 
  * bit 8 (mask 0x100): ScrollLock is on
3459 
  * other bits are cleared
 3404 
  * other bits are cleared
3460 
 
 3405 
 
3461 
-------------- Subfunction 4 - set system-wide hotkey. ---------------
 3406 
-------------- Subfunction 4 - set system-wide hotkey. ---------------
3462 
When hotkey is pressed, the system notifies only those applications,
 3407 
When hotkey is pressed, the system notifies only those applications,
3463 
which have installed it; the active application (which receives
 3408 
which have installed it; the active application (which receives
3464 
all normal input) does not receive such keys.
 3409 
all normal input) does not receive such keys.
3465 
The notification consists in sending event with the code 2.
 3410 
The notification consists in sending event with the code 2.
3466 
Reading hotkey is the same as reading normal key - by function 2.
 3411 
Reading hotkey is the same as reading normal key - by function 2.
3467 
Parameters:
 3412 
Parameters:
3468 
  * eax = 66 - function number
 3413 
  * eax = 66 - function number
3469 
  * ebx = 4 - subfunction number
 3414 
  * ebx = 4 - subfunction number
3470 
  * cl determines key scancode;
 3415 
  * cl determines key scancode;
3471 
    use cl=0 to give combinations such as Ctrl+Shift
 3416 
    use cl=0 to give combinations such as Ctrl+Shift
3472 
  * edx = 0xXYZ determines possible states of control keys:
 3417 
  * edx = 0xXYZ determines possible states of control keys:
3473 
    * Z (low 4 bits) determines state of LShift and RShift:
 3418 
    * Z (low 4 bits) determines state of LShift and RShift:
3474 
      * 0 = no key must be pressed;
 3419 
      * 0 = no key must be pressed;
3475 
      * 1 = exactly one key must be pressed;
 3420 
      * 1 = exactly one key must be pressed;
3476 
      * 2 = both keys must be pressed;
 3421 
      * 2 = both keys must be pressed;
3477 
      * 3 = must be pressed LShift, but not RShift;
 3422 
      * 3 = must be pressed LShift, but not RShift;
3478 
      * 4 = must be pressed RShift, but not LShift
 3423 
      * 4 = must be pressed RShift, but not LShift
3479 
    * Y - similar for LCtrl and RCtrl;
 3424 
    * Y - similar for LCtrl and RCtrl;
3480 
    * X - similar for LAlt and RAlt
 3425 
    * X - similar for LAlt and RAlt
3481 
Returned value:
 3426 
Returned value:
3482 
  * eax=0 - success
 3427 
  * eax=0 - success
3483 
  * eax=1 - too mant hotkeys (maximum 256 are allowed)
 3428 
  * eax=1 - too mant hotkeys (maximum 256 are allowed)
3484 
Remarks:
 3429 
Remarks:
3485 
  * Hotkey can work either at pressing or at release. Release
 3430 
  * Hotkey can work either at pressing or at release. Release
3486 
    scancode of a key is more on 128 than pressing scancode
 3431 
    scancode of a key is more on 128 than pressing scancode
3487 
    (i.e. high bit is set).
 3432 
    (i.e. high bit is set).
3488 
  * Several applications can set the same combination;
 3433 
  * Several applications can set the same combination;
3489 
    all such applications will be informed on pressing
 3434 
    all such applications will be informed on pressing
3490 
    such combination.
 3435 
    such combination.
3491 
 
 3436 
 
3492 
-------------- Subfunction 5 - delete installed hotkey. --------------
 3437 
-------------- Subfunction 5 - delete installed hotkey. --------------
3493 
Parameters:
 3438 
Parameters:
3494 
  * eax = 66 - function number
 3439 
  * eax = 66 - function number
3495 
  * ebx = 5 - subfunction number
 3440 
  * ebx = 5 - subfunction number
3496 
  * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4
 3441 
  * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4
3497 
Returned value:
 3442 
Returned value:
3498 
  * eax = 0 - success
 3443 
  * eax = 0 - success
3499 
  * eax = 1 - there is no such hotkey
 3444 
  * eax = 1 - there is no such hotkey
3500 
Remarks:
 3445 
Remarks:
3501 
  * When a process/thread terminates, all hotkey installed by it are
 3446 
  * When a process/thread terminates, all hotkey installed by it are
3502 
    deleted.
 3447 
    deleted.
3503 
  * The call to this subfunction does not affect other applications.
 3448 
  * The call to this subfunction does not affect other applications.
3504 
    If other application has defined the same combination, it will
 3449 
    If other application has defined the same combination, it will
3505 
    still receive notices.
 3450 
    still receive notices.
3506 
 
 3451 
 
3507 
======================================================================
 3452 
======================================================================
3508 
========= Function 67 - change position/sizes of the window. =========
 3453 
========= Function 67 - change position/sizes of the window. =========
3509 
======================================================================
 3454 
======================================================================
3510 
Parameters:
 3455 
Parameters:
3511 
  * eax = 67 - function number
 3456 
  * eax = 67 - function number
3512 
  * ebx = new x-coordinate of the window
 3457 
  * ebx = new x-coordinate of the window
3513 
  * ecx = new y-coordinate of the window
 3458 
  * ecx = new y-coordinate of the window
3514 
  * edx = new x-size of the window
 3459 
  * edx = new x-size of the window
3515 
  * esi = new y-size of the window
 3460 
  * esi = new y-size of the window
3516 
Returned value:
 3461 
Returned value:
3517 
  * function does not return value
 3462 
  * function does not return value
3518 
Remarks:
 3463 
Remarks:
3519 
  * The value -1 for a parameter means "do not change"; e.g. to move
 3464 
  * The value -1 for a parameter means "do not change"; e.g. to move
3520 
    the window without resizing it is possible to specify edx=esi=-1.
 3465 
    the window without resizing it is possible to specify edx=esi=-1.
3521 
  * Previously the window must be defined by function 0.
 3466 
  * Previously the window must be defined by function 0.
3522 
    It sets initial coordinates and sizes of the window.
 3467 
    It sets initial coordinates and sizes of the window.
3523 
  * Sizes of the window are understood in sense of function 0,
 3468 
  * Sizes of the window are understood in sense of function 0,
3524 
    that is one pixel less than real sizes.
 3469 
    that is one pixel less than real sizes.
3525 
  * The function call for maximized windows is simply ignored.
 3470 
  * The function call for maximized windows is simply ignored.
3526 
  * For windows of appropriate styles position and/or sizes can be
 3471 
  * For windows of appropriate styles position and/or sizes can be
3527 
    changed by user; current position and sizes can be obtained by
 3472 
    changed by user; current position and sizes can be obtained by
3528 
    call to function 9.
 3473 
    call to function 9.
3529 
  * The function sends to the window redraw event (with the code 1).
 3474 
  * The function sends to the window redraw event (with the code 1).
3530 
 
 3475 
 
3531 
======================================================================
 3476 
======================================================================
3532 
====== Function 68, subfunction 0 - get the task switch counter. =====
 3477 
====== Function 68, subfunction 0 - get the task switch counter. =====
3533 
======================================================================
 3478 
======================================================================
3534 
Parameters:
 3479 
Parameters:
3535 
  * eax = 68 - function number
 3480 
  * eax = 68 - function number
3536 
  * ebx = 0 - subfunction number
 3481 
  * ebx = 0 - subfunction number
3537 
Returned value:
 3482 
Returned value:
3538 
  * eax = number of task switches from the system booting
 3483 
  * eax = number of task switches from the system booting
3539 
    (modulo 2^32)
 3484 
    (modulo 2^32)
3540 
 
 3485 
 
3541 
======================================================================
 3486 
======================================================================
3542 
======= Function 68, subfunction 1 - switch to the next thread. ======
 3487 
======= Function 68, subfunction 1 - switch to the next thread. ======
3543 
======================================================================
 3488 
======================================================================
3544 
The function completes the current time slice allocated to the
 3489 
The function completes the current time slice allocated to the
3545 
thread and switches to the next. (Which thread in which process
 3490 
thread and switches to the next. (Which thread in which process
3546 
will be next, is unpredictable). Later, when execution queue
 3491 
will be next, is unpredictable). Later, when execution queue
3547 
will reach the current thread, execution will be continued.
 3492 
will reach the current thread, execution will be continued.
3548 
Parameters:
 3493 
Parameters:
3549 
  * eax = 68 - function number
 3494 
  * eax = 68 - function number
3550 
  * ebx = 1 - subfunction number
 3495 
  * ebx = 1 - subfunction number
3551 
Returned value:
 3496 
Returned value:
3552 
  * function does not return value
 3497 
  * function does not return value
3553 
 
 3498 
 
3554 
======================================================================
 3499 
======================================================================
3555 
============= Function 68, subfunction 2 - cache + rdpmc. ============
 3500 
============= Function 68, subfunction 2 - cache + rdpmc. ============
3556 
======================================================================
 3501 
======================================================================
3557 
Parameters:
 3502 
Parameters:
3558 
  * eax = 68 - function number
 3503 
  * eax = 68 - function number
3559 
  * ebx = 2 - subfunction number
 3504 
  * ebx = 2 - subfunction number
3560 
  * ecx = required action:
 3505 
  * ecx = required action:
3561 
    * ecx = 0 - enable instruction 'rdpmc'
 3506 
    * ecx = 0 - enable instruction 'rdpmc'
3562 
      (ReaD Performance-Monitoring Counters) for applications
 3507 
      (ReaD Performance-Monitoring Counters) for applications
3563 
    * ecx = 1 - find out whether cache is disabled/enabled
 3508 
    * ecx = 1 - find out whether cache is disabled/enabled
3564 
    * ecx = 2 - enable cache
 3509 
    * ecx = 2 - enable cache
3565 
    * ecx = 3 - disable cache
 3510 
    * ecx = 3 - disable cache
3566 
Returned value:
 3511 
Returned value:
3567 
  * for ecx=0:
 3512 
  * for ecx=0:
3568 
    * eax = the value of cr4
 3513 
    * eax = the value of cr4
3569 
  * for ecx=1:
 3514 
  * for ecx=1:
3570 
    * eax = (cr0 and 0x60000000):
 3515 
    * eax = (cr0 and 0x60000000):
3571 
    * eax = 0 - cache is on
 3516 
    * eax = 0 - cache is on
3572 
    * eax <> 0 - cache is off
 3517 
    * eax <> 0 - cache is off
3573 
  * for ecx=2 and ecx=3:
 3518 
  * for ecx=2 and ecx=3:
3574 
    * function does not return value
 3519 
    * function does not return value
3575 
 
 3520 
 
3576 
======================================================================
 3521 
======================================================================
3577 
=========== Function 68, subfunction 3 - read MSR-register. ==========
 3522 
=========== Function 68, subfunction 3 - read MSR-register. ==========
3578 
======================================================================
 3523 
======================================================================
3579 
MSR = Model Specific Register; the complete list of MSR-registers
 3524 
MSR = Model Specific Register; the complete list of MSR-registers
3580 
of a processor is included to the documentation on it (for example,
 3525 
of a processor is included to the documentation on it (for example,
3581 
IA-32 Intel Architecture Software Developer's Manual,
 3526 
IA-32 Intel Architecture Software Developer's Manual,
3582 
Volume 3, Appendix B); each processor family has its own subset
 3527 
Volume 3, Appendix B); each processor family has its own subset
3583 
of the MSR-registers.
 3528 
of the MSR-registers.
3584 
Parameters:
 3529 
Parameters:
3585 
  * eax = 68 - function number
 3530 
  * eax = 68 - function number
3586 
  * ebx = 3 - subfunction number
 3531 
  * ebx = 3 - subfunction number
3587 
  * ecx is ignored
 3532 
  * ecx is ignored
3588 
  * edx = MSR address
 3533 
  * edx = MSR address
3589 
Returned value:
 3534 
Returned value:
3590 
  * ebx:eax = high:low dword of the result
 3535 
  * ebx:eax = high:low dword of the result
3591 
Remarks:
 3536 
Remarks:
3592 
  * If ecx contains nonexistent or not implemented for this processor
 3537 
  * If ecx contains nonexistent or not implemented for this processor
3593 
    MSR, processor will generate an exception in the kernel, which
 3538 
    MSR, processor will generate an exception in the kernel, which
3594 
    will kill the thread.
 3539 
    will kill the thread.
3595 
  * Previously it is necessary to check, whether MSRs are supported
 3540 
  * Previously it is necessary to check, whether MSRs are supported
3596 
    as a whole, with the instruction 'cpuid'. Otherwise processor
 3541 
    as a whole, with the instruction 'cpuid'. Otherwise processor
3597 
    will generate other exception in the kernel, which will anyway
 3542 
    will generate other exception in the kernel, which will anyway
3598 
    kill the thread.
 3543 
    kill the thread.
3599 
 
 3544 
 
3600 
======================================================================
 3545 
======================================================================
3601 
========= Function 68, subfunction 4 - write to MSR-register. ========
 3546 
========= Function 68, subfunction 4 - write to MSR-register. ========
3602 
======================================================================
 3547 
======================================================================
3603 
MSR = Model Specific Register; the complete list of MSR-registers
 3548 
MSR = Model Specific Register; the complete list of MSR-registers
3604 
of a processor is included to the documentation on it (for example,
 3549 
of a processor is included to the documentation on it (for example,
3605 
IA-32 Intel Architecture Software Developer's Manual,
 3550 
IA-32 Intel Architecture Software Developer's Manual,
3606 
Volume 3, Appendix B); each processor family has its own subset
 3551 
Volume 3, Appendix B); each processor family has its own subset
3607 
of the MSR-registers.
 3552 
of the MSR-registers.
3608 
Parameters:
 3553 
Parameters:
3609 
  * eax = 68 - function number
 3554 
  * eax = 68 - function number
3610 
  * ebx = 4 - subfunction number
 3555 
  * ebx = 4 - subfunction number
3611 
  * ecx is ignored
 3556 
  * ecx is ignored
3612 
  * edx = MSR address
 3557 
  * edx = MSR address
3613 
  * esi:edi = high:low dword
 3558 
  * esi:edi = high:low dword
3614 
Returned value:
 3559 
Returned value:
3615 
  * ebx:eax = copy of esi:edi
 3560 
  * ebx:eax = copy of esi:edi
3616 
Çàìå÷àíèÿ:
 3561 
Çàìå÷àíèÿ:
3617 
  * If ecx contains nonexistent or not implemented for this processor
 3562 
  * If ecx contains nonexistent or not implemented for this processor
3618 
    MSR, processor will generate an exception in the kernel, which
 3563 
    MSR, processor will generate an exception in the kernel, which
3619 
    will kill the thread.
 3564 
    will kill the thread.
3620 
  * Previously it is necessary to check, whether MSRs are supported
 3565 
  * Previously it is necessary to check, whether MSRs are supported
3621 
    as a whole, with the instruction 'cpuid'. Otherwise processor
 3566 
    as a whole, with the instruction 'cpuid'. Otherwise processor
3622 
    will generate other exception in the kernel, which will anyway
 3567 
    will generate other exception in the kernel, which will anyway
3623 
    kill the thread.
 3568 
    kill the thread.
3624 
 
 3569 
 
3625 
======================================================================
 3570 
======================================================================
3626 
======= Function 68, subfunction 11 - initialize process heap. =======
 3571 
======= Function 68, subfunction 11 - initialize process heap. =======
3627 
======================================================================
 3572 
======================================================================
3628 
Parameters:
 3573 
Parameters:
3629 
  * eax = 68 - function number
 3574 
  * eax = 68 - function number
3630 
  * ebx = 11 - subfunction number
 3575 
  * ebx = 11 - subfunction number
3631 
Returned value:
 3576 
Returned value:
3632 
  * eax = 0 - failed
 3577 
  * eax = 0 - failed
3633 
  * otherwise size of created heap
 3578 
  * otherwise size of created heap
3634 
Remarks:
 3579 
Remarks:
3635 
  * The function call initializes heap, from which one can in future
 3580 
  * The function call initializes heap, from which one can in future
3636 
    allocate and free memory blocks with subfunctions 12 and 13.
 3581 
    allocate and free memory blocks with subfunctions 12 and 13.
3637 
    Heap size is equal to total amount of free application memory.
 3582 
    Heap size is equal to total amount of free application memory.
3638 
  * The second function call from the same process results in
 3583 
  * The second function call from the same process results in
3639 
    returning the size of the existing heap.
 3584 
    returning the size of the existing heap.
3640 
  * After creation of the heap calls to function 64 will be ignored.
 3585 
  * After creation of the heap calls to function 64 will be ignored.
3641 
 
 3586 
 
3642 
======================================================================
 3587 
======================================================================
3643 
======== Function 68, subfunction 12 - allocate memory block. ========
 3588 
======== Function 68, subfunction 12 - allocate memory block. ========
3644 
======================================================================
 3589 
======================================================================
3645 
Parameters:
 3590 
Parameters:
3646 
  * eax = 68 - function number
 3591 
  * eax = 68 - function number
3647 
  * ebx = 12 - subfunction number
 3592 
  * ebx = 12 - subfunction number
3648 
  * ecx = required size in bytes
 3593 
  * ecx = required size in bytes
3649 
Returned value:
 3594 
Returned value:
3650 
  * eax = pointer to the allocated block
 3595 
  * eax = pointer to the allocated block
3651 
Remarks:
 3596 
Remarks:
3652 
  * Before this call one must initialize process heap by call to
 3597 
  * Before this call one must initialize process heap by call to
3653 
    subfunction 11.
 3598 
    subfunction 11.
3654 
  * The function allocates an integer number of pages (4 Kb) in such
 3599 
  * The function allocates an integer number of pages (4 Kb) in such
3655 
    way that the real size of allocated block is more than or equal to
 3600 
    way that the real size of allocated block is more than or equal to
3656 
    requested size.
 3601 
    requested size.
3657 
 
 3602 
 
3658 
======================================================================
 3603 
======================================================================
3659 
========== Function 68, subfunction 13 - free memory block. ==========
 3604 
========== Function 68, subfunction 13 - free memory block. ==========
3660 
======================================================================
 3605 
======================================================================
3661 
Parameters:
 3606 
Parameters:
3662 
  * eax = 68 - function number
 3607 
  * eax = 68 - function number
3663 
  * ebx = 13 - subfunction number
 3608 
  * ebx = 13 - subfunction number
3664 
  * ecx = pointer to the memory block
 3609 
  * ecx = pointer to the memory block
3665 
Returned value:
 3610 
Returned value:
3666 
  * eax = 1 - success
 3611 
  * eax = 1 - success
3667 
  * eax = 0 - failed
 3612 
  * eax = 0 - failed
3668 
Remarks:
 3613 
Remarks:
3669 
  * The memory block must have been allocated by subfunction 12.
 3614 
  * The memory block must have been allocated by subfunction 12.
3670 
 
 3615 
 
3671 
======================================================================
 3616 
======================================================================
3672 
======== Function 68, subfunction 14 - wait for driver notify. =======
 3617 
======== Function 68, subfunction 14 - wait for driver notify. =======
3673 
======================================================================
 3618 
======================================================================
3674 
Parameters:
 3619 
Parameters:
3675 
  * eax = 68 - function number
 3620 
  * eax = 68 - function number
3676 
  * ebx = 14 - subfunction number
 3621 
  * ebx = 14 - subfunction number
3677 
  * ecx = pointer to the buffer for information (8 bytes)
 3622 
  * ecx = pointer to the buffer for information (8 bytes)
3678 
Returned value:
 3623 
Returned value:
3679 
  * buffer pointed to by ecx contains the following information:
 3624 
  * buffer pointed to by ecx contains the following information:
3680 
    * +0: dword: constant EV_INTR = 1
 3625 
    * +0: dword: constant EV_INTR = 1
3681 
    * +4: dword: driver data
 3626 
    * +4: dword: driver data
3682 
Remarks:
 3627 
Remarks:
3683 
  * The current implementation at wait time uses "heavy" operations
 3628 
  * The current implementation at wait time uses "heavy" operations
3684 
    of task switch.
 3629 
    of task switch.
3685 
 
 3630 
 
3686 
======================================================================
 3631 
======================================================================
3687 
====== Function 68, subfunction 15 - set FPU exception handler. ======
 3632 
====== Function 68, subfunction 15 - set FPU exception handler. ======
3688 
======================================================================
 3633 
======================================================================
3689 
Parameters:
 3634 
Parameters:
3690 
  * eax = 68 - function number
 3635 
  * eax = 68 - function number
3691 
  * ebx = 15 - subfunction number
 3636 
  * ebx = 15 - subfunction number
3692 
  * ecx = address of the new exception handler
 3637 
  * ecx = address of the new exception handler
3693 
Returned value:
 3638 
Returned value:
3694 
  * eax = address of the old exception handler (0, if it was not set)
 3639 
  * eax = address of the old exception handler (0, if it was not set)
3695 
 
 3640 
 
3696 
======================================================================
 3641 
======================================================================
3697 
============= Function 68, subfunction 16 - load driver. =============
 3642 
============= Function 68, subfunction 16 - load driver. =============
3698 
======================================================================
 3643 
======================================================================
3699 
Parameters:
 3644 
Parameters:
3700 
  * eax = 68 - function number
 3645 
  * eax = 68 - function number
3701 
  * ebx = 16 - subfunction number
 3646 
  * ebx = 16 - subfunction number
3702 
  * ecx = pointer to ASCIIZ-string with driver name
 3647 
  * ecx = pointer to ASCIIZ-string with driver name
3703 
Returned value:
 3648 
Returned value:
3704 
  * eax = 0 - failed
 3649 
  * eax = 0 - failed
3705 
  * otherwise eax = driver handle
 3650 
  * otherwise eax = driver handle
3706 
Remarks:
 3651 
Remarks:
3707 
  * If the driver was not loaded yet, it is loaded;
 3652 
  * If the driver was not loaded yet, it is loaded;
3708 
    if the driver was loaded yet, nothing happens.
 3653 
    if the driver was loaded yet, nothing happens.
3709 
  * Driver name is case-sensitive.
 3654 
  * Driver name is case-sensitive.
3710 
    Maximum length of the name is 16 characters, including
 3655 
    Maximum length of the name is 16 characters, including
3711 
    terminating null character, the rest is ignored.
 3656 
    terminating null character, the rest is ignored.
3712 
  * The function can load only drivers which are registered in the
 3657 
  * The function can load only drivers which are registered in the
3713 
    system; the current implementation contains
 3658 
    system; the current implementation contains
3714 
    exactly 2 such drivers:
 3659 
    exactly 2 such drivers:
3715 
    * name SOUND, file /rd/1/drivers/unisound.obj
 3660 
    * name SOUND, file /rd/1/drivers/unisound.obj
3716 
    * name INFINITY, file /rd/1/drivers/infinity.obj
 3661 
    * name INFINITY, file /rd/1/drivers/infinity.obj
3717 
 
 3662 
 
3718 
======================================================================
 3663 
======================================================================
3719 
============ Function 68, subfunction 17 - driver control. ===========
 3664 
============ Function 68, subfunction 17 - driver control. ===========
3720 
======================================================================
 3665 
======================================================================
3721 
Parameters:
 3666 
Parameters:
3722 
  * eax = 68 - function number
 3667 
  * eax = 68 - function number
3723 
  * ebx = 17 - subfunction number
 3668 
  * ebx = 17 - subfunction number
3724 
  * ecx = pointer to the control structure:
 3669 
  * ecx = pointer to the control structure:
3725 
    * +0: dword: handle of driver
 3670 
    * +0: dword: handle of driver
3726 
    * +4: dword: code of driver function
 3671 
    * +4: dword: code of driver function
3727 
    * +8: dword: pointer to input data
 3672 
    * +8: dword: pointer to input data
3728 
    * +12 = +0xC: dword: size of input data
 3673 
    * +12 = +0xC: dword: size of input data
3729 
    * +16 = +0x10: dword: pointer to output data
 3674 
    * +16 = +0x10: dword: pointer to output data
3730 
    * +20 = +0x14: dword: size of output data
 3675 
    * +20 = +0x14: dword: size of output data
3731 
Returned value:
 3676 
Returned value:
3732 
  * eax = determined by driver
 3677 
  * eax = determined by driver
3733 
Remarks:
 3678 
Remarks:
3734 
  * Function codes and the structure of input/output data
 3679 
  * Function codes and the structure of input/output data
3735 
    are defined by driver.
 3680 
    are defined by driver.
3736 
  * Previously one must obtain driver handle by subfunction 16.
 3681 
  * Previously one must obtain driver handle by subfunction 16.
3737 
 
 3682 
 
3738 
======================================================================
 3683 
======================================================================
3739 
====== Function 68, subfunction 18 - set SSE exception handler. ======
 3684 
====== Function 68, subfunction 18 - set SSE exception handler. ======
3740 
======================================================================
 3685 
======================================================================
3741 
Parameters:
 3686 
Parameters:
3742 
  * eax = 68 - function number
 3687 
  * eax = 68 - function number
3743 
  * ebx = 15 - subfunction number
 3688 
  * ebx = 15 - subfunction number
3744 
  * ecx = address of the new exception handler
 3689 
  * ecx = address of the new exception handler
3745 
Returned value:
 3690 
Returned value:
3746 
  * eax = address of the old exception handler (0, if it was not set)
 3691 
  * eax = address of the old exception handler (0, if it was not set)
3747 
 
 3692 
 
3748 
======================================================================
 3693 
======================================================================
3749 
=============== Function 68, subfunction 19 - load DLL. ==============
 3694 
=============== Function 68, subfunction 19 - load DLL. ==============
3750 
======================================================================
 3695 
======================================================================
3751 
Parameters:
 3696 
Parameters:
3752 
  * eax = 68 - function number
 3697 
  * eax = 68 - function number
3753 
  * ebx = 19 - subfunction number
 3698 
  * ebx = 19 - subfunction number
3754 
  * ecx = pointer to ASCIIZ-string with the full path to DLL
 3699 
  * ecx = pointer to ASCIIZ-string with the full path to DLL
3755 
Returned value:
 3700 
Returned value:
3756 
  * eax = 0 - failed
 3701 
  * eax = 0 - failed
3757 
  * otherwise eax = pointer to DLL export table
 3702 
  * otherwise eax = pointer to DLL export table
3758 
Remarks:
 3703 
Remarks:
3759 
  * Export table is an array of structures of 2 dword's, terminated
 3704 
  * Export table is an array of structures of 2 dword's, terminated
3760 
    by zero. The first dword in structure points to function name,
 3705 
    by zero. The first dword in structure points to function name,
3761 
    the second dword contains address of function.
 3706 
    the second dword contains address of function.
3762 
 
 3707 
 
3763 
======================================================================
 3708 
======================================================================
3764 
====================== Fucntion 69 - debugging. ======================
 3709 
====================== Fucntion 69 - debugging. ======================
3765 
======================================================================
 3710 
======================================================================
3766 
A process can load other process as debugged by set of corresponding
 3711 
A process can load other process as debugged by set of corresponding
3767 
bit by call to subfunction 7 of function 70.
 3712 
bit by call to subfunction 7 of function 70.
3768 
A process can have only one debugger; one process can debug some
 3713 
A process can have only one debugger; one process can debug some
3769 
others. The system notifies debugger on events occuring with
 3714 
others. The system notifies debugger on events occuring with
3770 
debugged process. Messages are written to the buffer defined by
 3715 
debugged process. Messages are written to the buffer defined by
3771 
subfunction 0.
 3716 
subfunction 0.
3772 
Format of a message:
 3717 
Format of a message:
3773 
  * +0: dword: message code
 3718 
  * +0: dword: message code
3774 
  * +4: dword: PID of debugged process
 3719 
  * +4: dword: PID of debugged process
3775 
  * +8: there can be additional data depending on message code
 3720 
  * +8: there can be additional data depending on message code
3776 
Message codes:
 3721 
Message codes:
3777 
  * 1 = exception
 3722 
  * 1 = exception
3778 
    * in addition dword-number of the exception is given
 3723 
    * in addition dword-number of the exception is given
3779 
    * process is suspended
 3724 
    * process is suspended
3780 
  * 2 = process has terminated
 3725 
  * 2 = process has terminated
3781 
    * comes at any termination: both through the system function -1,
 3726 
    * comes at any termination: both through the system function -1,
3782 
      and at "murder" by any other process (including debugger itself)
 3727 
      and at "murder" by any other process (including debugger itself)
3783 
  * 3 = debug exception int 1 = #DB
 3728 
  * 3 = debug exception int 1 = #DB
3784 
    * in addition dword-image of the register DR6 is given:
 3729 
    * in addition dword-image of the register DR6 is given:
3785 
      * bits 0-3: condition of the corresponding breakpoint (set by
 3730 
      * bits 0-3: condition of the corresponding breakpoint (set by
3786 
        subfunction 9) is satisfied
 3731 
        subfunction 9) is satisfied
3787 
      * áèò 14: exception has occured because of the trace mode
 3732 
      * áèò 14: exception has occured because of the trace mode
3788 
        (flag TF is set TF)
 3733 
        (flag TF is set TF)
3789 
    * process is suspended
 3734 
    * process is suspended
3790 
When debugger terminates, all debugged processes are killed.
 3735 
When debugger terminates, all debugged processes are killed.
3791 
If debugger does not want this, it must previously detach by
 3736 
If debugger does not want this, it must previously detach by
3792 
subfunction 3.
 3737 
subfunction 3.
3793 
 
 3738 
 
3794 
All subfunctions are applicable only to processes/threads started
 3739 
All subfunctions are applicable only to processes/threads started
3795 
from the current by function 58 or 70 with set debugging flag.
 3740 
from the current by function 58 or 70 with set debugging flag.
3796 
Debugging of multithreaded programs is not supported yet.
 3741 
Debugging of multithreaded programs is not supported yet.
3797 
The full list of subfunctions:
 3742 
The full list of subfunctions:
3798 
  * subfunction 0 - define data area for debug messages
 3743 
  * subfunction 0 - define data area for debug messages
3799 
  * subfunction 1 - get contents of registers of debugged thread
 3744 
  * subfunction 1 - get contents of registers of debugged thread
3800 
  * subfunction 2 - set contents of registers of debugged thread
 3745 
  * subfunction 2 - set contents of registers of debugged thread
3801 
  * subfunction 3 - detach from debugged process
 3746 
  * subfunction 3 - detach from debugged process
3802 
  * subfunction 4 - suspend debugged thread
 3747 
  * subfunction 4 - suspend debugged thread
3803 
  * subfunction 5 - resume debugged thread
 3748 
  * subfunction 5 - resume debugged thread
3804 
  * subfunction 6 - read from the memory of debugged process
 3749 
  * subfunction 6 - read from the memory of debugged process
3805 
  * subfunction 7 - write to the memory of debugged process
 3750 
  * subfunction 7 - write to the memory of debugged process
3806 
  * subfunction 8 - terminate debugged thread
 3751 
  * subfunction 8 - terminate debugged thread
3807 
  * subfunction 9 - set/clear hardware breakpoint
 3752 
  * subfunction 9 - set/clear hardware breakpoint
3808 
 
 3753 
 
3809 
======================================================================
 3754 
======================================================================
3810 
= Function 69, subfunction 0 - define data area fror debug messages. =
 3755 
= Function 69, subfunction 0 - define data area fror debug messages. =
3811 
======================================================================
 3756 
======================================================================
3812 
Parameters:
 3757 
Parameters:
3813 
  * eax = 69 - function number
 3758 
  * eax = 69 - function number
3814 
  * ebx = 0 - subfunction number
 3759 
  * ebx = 0 - subfunction number
3815 
  * ecx = pointer
 3760 
  * ecx = pointer
3816 
Format of data area:
 3761 
Format of data area:
3817 
  * +0: dword: N = buffer size (not including this header)
 3762 
  * +0: dword: N = buffer size (not including this header)
3818 
  * +4: dword: occupied place
 3763 
  * +4: dword: occupied place
3819 
  * +8: N*byte: buffer
 3764 
  * +8: N*byte: buffer
3820 
Returned value:
 3765 
Returned value:
3821 
  * function does not return value
 3766 
  * function does not return value
3822 
Remarks:
 3767 
Remarks:
3823 
  * If the size field is negative, the buffer is considered locked
 3768 
  * If the size field is negative, the buffer is considered locked
3824 
    and at arrival of new message the system will wait.
 3769 
    and at arrival of new message the system will wait.
3825 
    For synchronization frame all work with the buffer by operations
 3770 
    For synchronization frame all work with the buffer by operations
3826 
    lock/unlock
 3771 
    lock/unlock
3827 
    	neg	[bufsize]
 3772 
    	neg	[bufsize]
3828 
  * Data in the buffer are considered as array of items with variable
 3773 
  * Data in the buffer are considered as array of items with variable
3829 
    length - messages. Format of a message is explained in
 3774 
    length - messages. Format of a message is explained in
3830 
    general description.
 3775 
    general description.
3831 
 
 3776 
 
3832 
======================================================================
 3777 
======================================================================
3833 
===================== Function 69, subfunction 1 =====================
 3778 
===================== Function 69, subfunction 1 =====================
3834 
============ Get contents of registers of debugged thread. ===========
 3779 
============ Get contents of registers of debugged thread. ===========
3835 
======================================================================
 3780 
======================================================================
3836 
Parameters:
 3781 
Parameters:
3837 
  * eax = 69 - function number
 3782 
  * eax = 69 - function number
3838 
  * ebx = 1 - subfunction number
 3783 
  * ebx = 1 - subfunction number
3839 
  * ecx = thread identifier
 3784 
  * ecx = thread identifier
3840 
  * edx = size of context structure, must be 0x28=40 bytes
 3785 
  * edx = size of context structure, must be 0x28=40 bytes
3841 
  * esi = pointer to context structure
 3786 
  * esi = pointer to context structure
3842 
Returned value:
 3787 
Returned value:
3843 
  * function does not return value
 3788 
  * function does not return value
3844 
Format of context structure: (FPU is not supported yet)
 3789 
Format of context structure: (FPU is not supported yet)
3845 
  * +0: dword: eip
 3790 
  * +0: dword: eip
3846 
  * +4: dword: eflags
 3791 
  * +4: dword: eflags
3847 
  * +8: dword: eax
 3792 
  * +8: dword: eax
3848 
  * +12 = +0xC: dword: ecx
 3793 
  * +12 = +0xC: dword: ecx
3849 
  * +16 = +0x10: dword: edx
 3794 
  * +16 = +0x10: dword: edx
3850 
  * +20 = +0x14: dword: ebx
 3795 
  * +20 = +0x14: dword: ebx
3851 
  * +24 = +0x18: dword: esp
 3796 
  * +24 = +0x18: dword: esp
3852 
  * +28 = +0x1C: dword: ebp
 3797 
  * +28 = +0x1C: dword: ebp
3853 
  * +32 = +0x20: dword: esi
 3798 
  * +32 = +0x20: dword: esi
3854 
  * +36 = +0x24: dword: edi
 3799 
  * +36 = +0x24: dword: edi
3855 
Remarks:
 3800 
Remarks:
3856 
  * If the thread executes code of ring-0, the function returns
 3801 
  * If the thread executes code of ring-0, the function returns
3857 
    contents of registers of ring-3.
 3802 
    contents of registers of ring-3.
3858 
  * Process must be loaded for debugging (as is shown in
 3803 
  * Process must be loaded for debugging (as is shown in
3859 
    general description).
 3804 
    general description).
3860 
 
 3805 
 
3861 
======================================================================
 3806 
======================================================================
3862 
===================== Function 69, subfunction 2 =====================
 3807 
===================== Function 69, subfunction 2 =====================
3863 
============ Set contents of registers of debugged thread. ===========
 3808 
============ Set contents of registers of debugged thread. ===========
3864 
======================================================================
 3809 
======================================================================
3865 
Parameters:
 3810 
Parameters:
3866 
  * eax = 69 - function number
 3811 
  * eax = 69 - function number
3867 
  * ebx = 2 - subfunction number
 3812 
  * ebx = 2 - subfunction number
3868 
  * ecx = thread identifier
 3813 
  * ecx = thread identifier
3869 
  * edx = size of context structure, must be 0x28=40 bytes
 3814 
  * edx = size of context structure, must be 0x28=40 bytes
3870 
Returned value:
 3815 
Returned value:
3871 
  * function does not return value
 3816 
  * function does not return value
3872 
Format of context structure is shown in the description of
 3817 
Format of context structure is shown in the description of
3873 
subfunction 1.
 3818 
subfunction 1.
3874 
Remarks:
 3819 
Remarks:
3875 
  * If the thread executes code of ring-0, the function returns
 3820 
  * If the thread executes code of ring-0, the function returns
3876 
    contents of registers of ring-3.
 3821 
    contents of registers of ring-3.
3877 
  * Process must be loaded for debugging (as is shown in
 3822 
  * Process must be loaded for debugging (as is shown in
3878 
    general description).
 3823 
    general description).
3879 
 
 3824 
 
3880 
======================================================================
 3825 
======================================================================
3881 
===== Function 69, subfunction 3 - detach from debugged process. =====
 3826 
===== Function 69, subfunction 3 - detach from debugged process. =====
3882 
======================================================================
 3827 
======================================================================
3883 
Parameters:
 3828 
Parameters:
3884 
  * eax = 69 - function number
 3829 
  * eax = 69 - function number
3885 
  * ebx = 3 - subfunction number
 3830 
  * ebx = 3 - subfunction number
3886 
  * ecx = identifier
 3831 
  * ecx = identifier
3887 
Returned value:
 3832 
Returned value:
3888 
  * function does not return value
 3833 
  * function does not return value
3889 
Remarks:
 3834 
Remarks:
3890 
  * If the process was suspended, it resumes execution.
 3835 
  * If the process was suspended, it resumes execution.
3891 
 
 3836 
 
3892 
======================================================================
 3837 
======================================================================
3893 
======== Function 69, subfunction 4 - suspend debugged thread. =======
 3838 
======== Function 69, subfunction 4 - suspend debugged thread. =======
3894 
======================================================================
 3839 
======================================================================
3895 
Parameters:
 3840 
Parameters:
3896 
  * eax = 69 - function number
 3841 
  * eax = 69 - function number
3897 
  * ebx = 4 - subfunction number
 3842 
  * ebx = 4 - subfunction number
3898 
  * ecx = thread identifier
 3843 
  * ecx = thread identifier
3899 
Returned value:
 3844 
Returned value:
3900 
  * function does not return value
 3845 
  * function does not return value
3901 
Remarks:
 3846 
Remarks:
3902 
  * Process must be loaded for debugging (as is shown in
 3847 
  * Process must be loaded for debugging (as is shown in
3903 
    general description).
 3848 
    general description).
3904 
 
 3849 
 
3905 
======================================================================
 3850 
======================================================================
3906 
======== Function 69, subfunction 5 - resume debugged thread. ========
 3851 
======== Function 69, subfunction 5 - resume debugged thread. ========
3907 
======================================================================
 3852 
======================================================================
3908 
Parameters:
 3853 
Parameters:
3909 
  * eax = 69 - function number
 3854 
  * eax = 69 - function number
3910 
  * ebx = 5 - subfunction number
 3855 
  * ebx = 5 - subfunction number
3911 
  * ecx = thread identifier
 3856 
  * ecx = thread identifier
3912 
Returned value:
 3857 
Returned value:
3913 
  * function does not return value
 3858 
  * function does not return value
3914 
Remarks:
 3859 
Remarks:
3915 
  * Process must be loaded for debugging (as is shown in
 3860 
  * Process must be loaded for debugging (as is shown in
3916 
    general description).
 3861 
    general description).
3917 
 
 3862 
 
3918 
======================================================================
 3863 
======================================================================
3919 
= Fucntion 69, subfunction 6 - read from memory of debugged process. =
 3864 
= Fucntion 69, subfunction 6 - read from memory of debugged process. =
3920 
======================================================================
 3865 
======================================================================
3921 
Parameters:
 3866 
Parameters:
3922 
  * eax = 69 - function number
 3867 
  * eax = 69 - function number
3923 
  * ebx = 6 - subfunction number
 3868 
  * ebx = 6 - subfunction number
3924 
  * ecx = identifier
 3869 
  * ecx = identifier
3925 
  * edx = number of bytes to read
 3870 
  * edx = number of bytes to read
3926 
  * esi = address in the memory of debugged process
 3871 
  * esi = address in the memory of debugged process
3927 
  * edi = pointer to buffer for data
 3872 
  * edi = pointer to buffer for data
3928 
Returned value:
 3873 
Returned value:
3929 
  * eax = -1 at an error (invalid PID or buffer)
 3874 
  * eax = -1 at an error (invalid PID or buffer)
3930 
  * otherwise eax = number of read bytes (possibly, 0,
 3875 
  * otherwise eax = number of read bytes (possibly, 0,
3931 
    if esi is too large)
 3876 
    if esi is too large)
3932 
Remarks:
 3877 
Remarks:
3933 
  * Process must be loaded for debugging (as is shown in
 3878 
  * Process must be loaded for debugging (as is shown in
3934 
    general description).
 3879 
    general description).
3935 
 
 3880 
 
3936 
======================================================================
 3881 
======================================================================
3937 
== Function 69, subfunction 7 - write to memory of debugged process. =
 3882 
== Function 69, subfunction 7 - write to memory of debugged process. =
3938 
======================================================================
 3883 
======================================================================
3939 
Parameters:
 3884 
Parameters:
3940 
  * eax = 69 - function number
 3885 
  * eax = 69 - function number
3941 
  * ebx = 7 - subfunction number
 3886 
  * ebx = 7 - subfunction number
3942 
  * ecx = identifier
 3887 
  * ecx = identifier
3943 
  * edx = number of bytes to write
 3888 
  * edx = number of bytes to write
3944 
  * esi = address of memory in debugged process
 3889 
  * esi = address of memory in debugged process
3945 
  * edi = pointer to data
 3890 
  * edi = pointer to data
3946 
Returned value:
 3891 
Returned value:
3947 
  * eax = -1 at an error (invalid PID or buffer)
 3892 
  * eax = -1 at an error (invalid PID or buffer)
3948 
  * otherwise eax = number of written bytes (possibly, 0,
 3893 
  * otherwise eax = number of written bytes (possibly, 0,
3949 
    if esi is too large)
 3894 
    if esi is too large)
3950 
Remarks:
 3895 
Remarks:
3951 
  * Process must be loaded for debugging (as is shown in
 3896 
  * Process must be loaded for debugging (as is shown in
3952 
    general description).
 3897 
    general description).
3953 
 
 3898 
 
3954 
======================================================================
 3899 
======================================================================
3955 
======= Function 69, subfunction 8 - terminate debugged thread. ======
 3900 
======= Function 69, subfunction 8 - terminate debugged thread. ======
3956 
======================================================================
 3901 
======================================================================
3957 
Parameters:
 3902 
Parameters:
3958 
  * eax = 69 - function number
 3903 
  * eax = 69 - function number
3959 
  * ebx = 8 - subfunction number
 3904 
  * ebx = 8 - subfunction number
3960 
  * ecx = identifier
 3905 
  * ecx = identifier
3961 
Returned value:
 3906 
Returned value:
3962 
  * function does not return value
 3907 
  * function does not return value
3963 
Remarks:
 3908 
Remarks:
3964 
  * Process must be loaded for debugging (as is shown in
 3909 
  * Process must be loaded for debugging (as is shown in
3965 
    general description).
 3910 
    general description).
3966 
  * The function is similar to subfunction 2 of function 18
 3911 
  * The function is similar to subfunction 2 of function 18
3967 
    with two differences: it requires first remark and
 3912 
    with two differences: it requires first remark and
3968 
    accepts PID rather than slot number.
 3913 
    accepts PID rather than slot number.
3969 
 
 3914 
 
3970 
======================================================================
 3915 
======================================================================
3971 
===== Function 69, subfunction 9 - set/clear hardware breakpoint. ====
 3916 
===== Function 69, subfunction 9 - set/clear hardware breakpoint. ====
3972 
======================================================================
 3917 
======================================================================
3973 
Parameters:
 3918 
Parameters:
3974 
  * eax = 69 - function number
 3919 
  * eax = 69 - function number
3975 
  * ebx = 9 - subfunction number
 3920 
  * ebx = 9 - subfunction number
3976 
  * ecx = thread identifier
 3921 
  * ecx = thread identifier
3977 
  * dl = index of breakpoint, from 0 to 3 inclusively
 3922 
  * dl = index of breakpoint, from 0 to 3 inclusively
3978 
  * dh = flags:
 3923 
  * dh = flags:
3979 
    * if high bit is cleared - set breakpoint:
 3924 
    * if high bit is cleared - set breakpoint:
3980 
      * bits 0-1 - condition:
 3925 
      * bits 0-1 - condition:
3981 
        * 00 = breakpoint on execution
 3926 
        * 00 = breakpoint on execution
3982 
        * 01 = breakpoint on read
 3927 
        * 01 = breakpoint on read
3983 
        * 11 = breakpoint on read/write
 3928 
        * 11 = breakpoint on read/write
3984 
      * bits 2-3 - length; for breakpoints on exception it must be
 3929 
      * bits 2-3 - length; for breakpoints on exception it must be
3985 
        00, otherwise one of
 3930 
        00, otherwise one of
3986 
        * 00 = byte
 3931 
        * 00 = byte
3987 
        * 01 = word
 3932 
        * 01 = word
3988 
        * 11 = dword
 3933 
        * 11 = dword
3989 
      * esi = breakpoint address; must be aligned according to
 3934 
      * esi = breakpoint address; must be aligned according to
3990 
        the length (i.e. must be even for word breakpoints,
 3935 
        the length (i.e. must be even for word breakpoints,
3991 
        divisible by 4 for dword)
 3936 
        divisible by 4 for dword)
3992 
    * if high bit is set - clear breakpoint
 3937 
    * if high bit is set - clear breakpoint
3993 
Returned value:
 3938 
Returned value:
3994 
  * eax = 0 - success
 3939 
  * eax = 0 - success
3995 
  * eax = 1 - error in the input data
 3940 
  * eax = 1 - error in the input data
3996 
  * eax = 2 - (reserved, is never returned in the current
 3941 
  * eax = 2 - (reserved, is never returned in the current
3997 
    implementation) a global breakpoint with that index is already set
 3942 
    implementation) a global breakpoint with that index is already set
3998 
Remarks:
 3943 
Remarks:
3999 
  * Process must be loaded for debugging (as is shown in
 3944 
  * Process must be loaded for debugging (as is shown in
4000 
    general description).
 3945 
    general description).
4001 
  * Hardware breakpoints are implemented through DRx-registers of
 3946 
  * Hardware breakpoints are implemented through DRx-registers of
4002 
    the processor, all limitations results from this.
 3947 
    the processor, all limitations results from this.
4003 
  * The function can reinstall the breakpoint, previously set
 3948 
  * The function can reinstall the breakpoint, previously set
4004 
    by it (and it does not inform on this).
 3949 
    by it (and it does not inform on this).
4005 
    Carry on the list of set breakpoints in the debugger.
 3950 
    Carry on the list of set breakpoints in the debugger.
4006 
  * Breakpoints generate debug exception #DB, on which the system
 3951 
  * Breakpoints generate debug exception #DB, on which the system
4007 
    notifies debugger.
 3952 
    notifies debugger.
4008 
  * Breakpoints on write and read/write act after
 3953 
  * Breakpoints on write and read/write act after
4009 
    execution of the caused it instruction.
 3954 
    execution of the caused it instruction.
4010 
 
 3955 
 
4011 
======================================================================
 3956 
======================================================================
4012 
==== Function 70 - work with file system with long names support. ====
 3957 
==== Function 70 - work with file system with long names support. ====
4013 
======================================================================
 3958 
======================================================================
4014 
Parameters:
 3959 
Parameters:
4015 
  * eax = 70
 3960 
  * eax = 70
4016 
  * ebx = pointer to the information structure
 3961 
  * ebx = pointer to the information structure
4017 
Returned value:
 3962 
Returned value:
4018 
  * eax = 0 - success; otherwise file system error code
 3963 
  * eax = 0 - success; otherwise file system error code
4019 
  * some subfunctions return value in other registers too
 3964 
  * some subfunctions return value in other registers too
4020 
General format of the information structure:
 3965 
General format of the information structure:
4021 
  * +0: dword: subfunction number
 3966 
  * +0: dword: subfunction number
4022 
  * +4: dword: file offset
 3967 
  * +4: dword: file offset
4023 
  * +8: dword: high dword of offset (must be 0) or flags field
 3968 
  * +8: dword: high dword of offset (must be 0) or flags field
4024 
  * +12 = +0xC: dword: size
 3969 
  * +12 = +0xC: dword: size
4025 
  * +16 = +0x10: dword: pointer to data
 3970 
  * +16 = +0x10: dword: pointer to data
4026 
  * +20 = +0x14: n db: ASCIIZ-string with the filename
 3971 
  * +20 = +0x14: n db: ASCIIZ-string with the filename
4027 
    or
 3972 
    or
4028 
  * +20 = +0x14: db 0
 3973 
  * +20 = +0x14: db 0
4029 
  * +21 = +0x15: dd pointer to ASCIIZ-string with the filename
 3974 
  * +21 = +0x15: dd pointer to ASCIIZ-string with the filename
4030 
Specifications - in documentation on the appropriate subfunction.
 3975 
Specifications - in documentation on the appropriate subfunction.
4031 
Filename is case-insensitive. Russian letters must be written in
 3976 
Filename is case-insensitive. Russian letters must be written in
4032 
the encoding cp866 (DOS).
 3977 
the encoding cp866 (DOS).
4033 
Format of filename:
 3978 
Format of filename:
4034 
/base/number/dir1/dir2/.../dirn/file,
 3979 
/base/number/dir1/dir2/.../dirn/file,
4035 
where /base/number identifies device, on which file is located:
 3980 
where /base/number identifies device, on which file is located:
4036 
one of
 3981 
one of
4037 
  * /RD/1 = /RAMDISK/1 to access ramdisk
 3982 
  * /RD/1 = /RAMDISK/1 to access ramdisk
4038 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
 3983 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
4039 
    /FD/2 = /FLOPPYDISK/2 to access second one
 3984 
    /FD/2 = /FLOPPYDISK/2 to access second one
4040 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
 3985 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
4041 
    IDE0 (Primary Master), IDE1 (Primary Slave),
 3986 
    IDE0 (Primary Master), IDE1 (Primary Slave),
4042 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
 3987 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
4043 
    x - partition number on the selected hard drive, varies from 1
 3988 
    x - partition number on the selected hard drive, varies from 1
4044 
    to 255 (on each hard drive the indexing starts from 1)
 3989 
    to 255 (on each hard drive the indexing starts from 1)
4045 
  * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to
 3990 
  * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to
4046 
    CD on IDE0 (Primary Master), IDE1 (Primary Slave),
 3991 
    CD on IDE0 (Primary Master), IDE1 (Primary Slave),
4047 
    IDE2 (Secondary Master), IDE3 (Secondary Slave)
 3992 
    IDE2 (Secondary Master), IDE3 (Secondary Slave)
4048 
Examples:
 3993 
Examples:
4049 
  * '/rd/1/kernel.asm',0
 3994 
  * '/rd/1/kernel.asm',0
4050 
  * '/HD0/1/kernel.asm',0
 3995 
  * '/HD0/1/kernel.asm',0
4051 
  * '/hd0/2/menuet/pics/tanzania.bmp',0
 3996 
  * '/hd0/2/menuet/pics/tanzania.bmp',0
4052 
  * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0
 3997 
  * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0
4053 
Available subfunctions:
 3998 
Available subfunctions:
4054 
  * subfunction 0 - read file
 3999 
  * subfunction 0 - read file
4055 
  * subfunction 1 - read folder
 4000 
  * subfunction 1 - read folder
4056 
  * subfunction 2 - create/rewrite file
 4001 
  * subfunction 2 - create/rewrite file
4057 
  * subfunction 3 - write to existing file
 4002 
  * subfunction 3 - write to existing file
4058 
  * subfunction 4 - set file size
 4003 
  * subfunction 4 - set file size
4059 
  * subfunction 5 - get attributes of file/folder
 4004 
  * subfunction 5 - get attributes of file/folder
4060 
  * subfunction 6 - set attributes of file/folder
 4005 
  * subfunction 6 - set attributes of file/folder
4061 
  * subfunction 7 - start application
 4006 
  * subfunction 7 - start application
4062 
  * subfunction 8 - delete file/folder
 4007 
  * subfunction 8 - delete file/folder
- 
 
 4008 
  * subfunction 9 - create folder
4063 
For CD-drives due to hardware limitations only subfunctions
 4009 
For CD-drives due to hardware limitations only subfunctions
4064 
0,1,5 and 7 are available, other subfunctions return error
 4010 
0,1,5 and 7 are available, other subfunctions return error
4065 
with code 2.
 4011 
with code 2.
4066 
 
 4012 
 
4067 
======================================================================
 4013 
======================================================================
4068 
=== Function 70, subfunction 0 - read file with long names support. ==
 4014 
=== Function 70, subfunction 0 - read file with long names support. ==
4069 
======================================================================
 4015 
======================================================================
4070 
Parameters:
 4016 
Parameters:
4071 
  * eax = 70 - function number
 4017 
  * eax = 70 - function number
4072 
  * ebx = pointer to the information structure
 4018 
  * ebx = pointer to the information structure
4073 
Format of the information structure:
 4019 
Format of the information structure:
4074 
  * +0: dword: 0 = subfunction number
 4020 
  * +0: dword: 0 = subfunction number
4075 
  * +4: dword: file offset (in bytes)
 4021 
  * +4: dword: file offset (in bytes)
4076 
  * +8: dword: 0 (reserved for high dword of offset)
 4022 
  * +8: dword: 0 (reserved for high dword of offset)
4077 
  * +12 = +0xC: dword: number of bytes to read
 4023 
  * +12 = +0xC: dword: number of bytes to read
4078 
  * +16 = +0x10: dword: pointer to buffer for data
 4024 
  * +16 = +0x10: dword: pointer to buffer for data
4079 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4025 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4080 
    given in the general description
 4026 
    given in the general description
4081 
    or
 4027 
    or
4082 
  * +20 = +0x14: db 0
 4028 
  * +20 = +0x14: db 0
4083 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4029 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4084 
Returned value:
 4030 
Returned value:
4085 
  * eax = 0 - success, otherwise file system error code
 4031 
  * eax = 0 - success, otherwise file system error code
4086 
  * ebx = number of read bytes or -1=0xffffffff if file was not found
 4032 
  * ebx = number of read bytes or -1=0xffffffff if file was not found
4087 
Remarks:
 4033 
Remarks:
4088 
  * If file was ended before last requested block was read,
 4034 
  * If file was ended before last requested block was read,
4089 
    the function will read as many as it can, and after that return
 4035 
    the function will read as many as it can, and after that return
4090 
    eax=6 (EOF).
 4036 
    eax=6 (EOF).
4091 
  * The function does not allow to read folder (returns eax=10,
 4037 
  * The function does not allow to read folder (returns eax=10,
4092 
    access denied).
 4038 
    access denied).
4093 
 
 4039 
 
4094 
======================================================================
 4040 
======================================================================
4095 
== Function 70, subfunction 1 - read folder with long names support. =
 4041 
== Function 70, subfunction 1 - read folder with long names support. =
4096 
======================================================================
 4042 
======================================================================
4097 
Parameters:
 4043 
Parameters:
4098 
  * eax = 70 - function number
 4044 
  * eax = 70 - function number
4099 
  * ebx = pointer to the information structure
 4045 
  * ebx = pointer to the information structure
4100 
Format of the information structure:
 4046 
Format of the information structure:
4101 
  * +0: dword: 1 = subfunction number
 4047 
  * +0: dword: 1 = subfunction number
4102 
  * +4: dword: index of starting block (beginning from 0)
 4048 
  * +4: dword: index of starting block (beginning from 0)
4103 
  * +8: dword: flags field:
 4049 
  * +8: dword: flags field:
4104 
    * bit 0 (mask 1): in what format to return names,
 4050 
    * bit 0 (mask 1): in what format to return names,
4105 
      0=ANSI, 1=UNICODE
 4051 
      0=ANSI, 1=UNICODE
4106 
    * other bits are reserved and must be set to 0 for the future
 4052 
    * other bits are reserved and must be set to 0 for the future
4107 
      compatibility
 4053 
      compatibility
4108 
  * +12 = +0xC: dword: number of blocks to read
 4054 
  * +12 = +0xC: dword: number of blocks to read
4109 
  * +16 = +0x10: dword: pointer to buffer for data, buffer size
 4055 
  * +16 = +0x10: dword: pointer to buffer for data, buffer size
4110 
    must be not less than 32 + [+12]*560 bytes
 4056 
    must be not less than 32 + [+12]*560 bytes
4111 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
 4057 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
4112 
    given in the general description
 4058 
    given in the general description
4113 
    or
 4059 
    or
4114 
  * +20 = +0x14: db 0
 4060 
  * +20 = +0x14: db 0
4115 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4061 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4116 
Returned value:
 4062 
Returned value:
4117 
  * eax = 0 - success, otherwise file system error code
 4063 
  * eax = 0 - success, otherwise file system error code
4118 
  * ebx = number of files, information on which was written to
 4064 
  * ebx = number of files, information on which was written to
4119 
    the buffer, or -1=0xffffffff, if folder was not found
 4065 
    the buffer, or -1=0xffffffff, if folder was not found
4120 
Structure of the buffer:
 4066 
Structure of the buffer:
4121 
  * +0: 32*byte: header
 4067 
  * +0: 32*byte: header
4122 
  * +32 = +0x20: n1*byte: block with information on file 1
 4068 
  * +32 = +0x20: n1*byte: block with information on file 1
4123 
  * +32+n1: n2*byte: block with information on file 2
 4069 
  * +32+n1: n2*byte: block with information on file 2
4124 
  * ...
 4070 
  * ...
4125 
Structure of header:
 4071 
Structure of header:
4126 
  * +0: dword: version of structure (current is 1)
 4072 
  * +0: dword: version of structure (current is 1)
4127 
  * +4: dword: number of placed blocks; is not greater than requested
 4073 
  * +4: dword: number of placed blocks; is not greater than requested
4128 
    in the field +12 of information structure; can be less, if
 4074 
    in the field +12 of information structure; can be less, if
4129 
    there are no more files in folder (the same as in ebx)
 4075 
    there are no more files in folder (the same as in ebx)
4130 
  * +8: dword: total number of files in folder
 4076 
  * +8: dword: total number of files in folder
4131 
  * +12 = +0xC: 20*byte: reserved (zeroed)
 4077 
  * +12 = +0xC: 20*byte: reserved (zeroed)
4132 
Structure of block of data for folder entry (BDFE):
 4078 
Structure of block of data for folder entry (BDFE):
4133 
  * +0: dword: attributes of file:
 4079 
  * +0: dword: attributes of file:
4134 
    * bit 0 (mask 1): file is read-only
 4080 
    * bit 0 (mask 1): file is read-only
4135 
    * bit 1 (mask 2): file is hidden
 4081 
    * bit 1 (mask 2): file is hidden
4136 
    * bit 2 (mask 4): file is system
 4082 
    * bit 2 (mask 4): file is system
4137 
    * bit 3 (mask 8): this is not a file but volume label
 4083 
    * bit 3 (mask 8): this is not a file but volume label
4138 
      (for one partition meets no more than once and
 4084 
      (for one partition meets no more than once and
4139 
      only in root folder)
 4085 
      only in root folder)
4140 
    * bit 4 (mask 0x10): this is a folder
 4086 
    * bit 4 (mask 0x10): this is a folder
4141 
    * bit 5 (mask 0x20): file was not archived - many archivation
 4087 
    * bit 5 (mask 0x20): file was not archived - many archivation
4142 
      programs have an option to archive only files with this bit set,
 4088 
      programs have an option to archive only files with this bit set,
4143 
      and after archiving this bit is cleared - it can be useful
 4089 
      and after archiving this bit is cleared - it can be useful
4144 
      for automatically creating of backup-archives as at writing
 4090 
      for automatically creating of backup-archives as at writing
4145 
      this bit is usually set
 4091 
      this bit is usually set
4146 
  * +4: byte: type of name data:
 4092 
  * +4: byte: type of name data:
4147 
    (coincides with bit 0 of flags in the information structure)
 4093 
    (coincides with bit 0 of flags in the information structure)
4148 
    * 0 = ASCII = 1-byte representation of each character
 4094 
    * 0 = ASCII = 1-byte representation of each character
4149 
    * 1 = UNICODE = 2-byte representation of each character
 4095 
    * 1 = UNICODE = 2-byte representation of each character
4150 
  * +5: 3*byte: reserved (zero)
 4096 
  * +5: 3*byte: reserved (zero)
4151 
  * +8: 4*byte: time of file creation
 4097 
  * +8: 4*byte: time of file creation
4152 
  * +12 = +0xC: 4*byte: date of file creation
 4098 
  * +12 = +0xC: 4*byte: date of file creation
4153 
  * +16 = +0x10: 4*byte: time of last access (read or write)
 4099 
  * +16 = +0x10: 4*byte: time of last access (read or write)
4154 
  * +20 = +0x14: 4*byte: date of last access
 4100 
  * +20 = +0x14: 4*byte: date of last access
4155 
  * +24 = +0x18: 4*byte: time of last modification
 4101 
  * +24 = +0x18: 4*byte: time of last modification
4156 
  * +28 = +0x1C: 4*byte: date of last modification
 4102 
  * +28 = +0x1C: 4*byte: date of last modification
4157 
  * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb)
 4103 
  * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb)
4158 
  * +40 = +0x28: name
 4104 
  * +40 = +0x28: name
4159 
    * for ASCII format: maximum length is 263 characters
 4105 
    * for ASCII format: maximum length is 263 characters
4160 
      (263 bytes), byte after the name has value 0
 4106 
      (263 bytes), byte after the name has value 0
4161 
    * äëÿ ôîðìàòà UNICODE: maximum length is 259 characters
 4107 
    * for UNICODE format: maximum length is 259 characters
4162 
      (518 bytes), 2 bytes after the name have value 0
 4108 
      (518 bytes), 2 bytes after the name have value 0
4163 
Time format:
 4109 
Time format:
4164 
  * +0: byte: seconds
 4110 
  * +0: byte: seconds
4165 
  * +1: byte: minutes
 4111 
  * +1: byte: minutes
4166 
  * +2: byte: hours
 4112 
  * +2: byte: hours
4167 
  * +3: byte: reserved (0)
 4113 
  * +3: byte: reserved (0)
4168 
  * for example, 23.59.59 is written as (in hex) 3B 3B 17 00
 4114 
  * for example, 23.59.59 is written as (in hex) 3B 3B 17 00
4169 
Date format:
 4115 
Date format:
4170 
  * +0: byte: day
 4116 
  * +0: byte: day
4171 
  * +1: byte: month
 4117 
  * +1: byte: month
4172 
  * +2: word: year
 4118 
  * +2: word: year
4173 
  * for example, 25.11.1979 is written as (in hex) 19 0B BB 07
 4119 
  * for example, 25.11.1979 is written as (in hex) 19 0B BB 07
4174 
Remarks:
 4120 
Remarks:
4175 
  * If BDFE contains ASCII name, the length of BDFE is 304 bytes,
 4121 
  * If BDFE contains ASCII name, the length of BDFE is 304 bytes,
4176 
    if UNICODE name - 560 bytes. Value of length is aligned
 4122 
    if UNICODE name - 560 bytes. Value of length is aligned
4177 
    on 16-byte bound (to accelerate processing in CPU cache).
 4123 
    on 16-byte bound (to accelerate processing in CPU cache).
4178 
  * First character after a name is zero (ASCIIZ-string). The further
 4124 
  * First character after a name is zero (ASCIIZ-string). The further
4179 
    data contain garbage.
 4125 
    data contain garbage.
4180 
  * If files in folder were ended before requested number was read,
 4126 
  * If files in folder were ended before requested number was read,
4181 
    the function will read as many as it can, and after that return
 4127 
    the function will read as many as it can, and after that return
4182 
    eax=6 (EOF).
 4128 
    eax=6 (EOF).
4183 
  * Any folder on the disk, except for root, contains two special
 4129 
  * Any folder on the disk, except for root, contains two special
4184 
    entries "." and "..", identifying accordingly the folder itself
 4130 
    entries "." and "..", identifying accordingly the folder itself
4185 
    and the parent folder.
 4131 
    and the parent folder.
4186 
  * The function allows also to read virtual folders "/", "/rd",
 4132 
  * The function allows also to read virtual folders "/", "/rd",
4187 
    "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10,
 4133 
    "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10,
4188 
    and times and dates are zeroed. An alternative way to get the
 4134 
    and times and dates are zeroed. An alternative way to get the
4189 
    equipment information - subfunction 11 of function 18.
 4135 
    equipment information - subfunction 11 of function 18.
4190 
 
 4136 
 
4191 
======================================================================
 4137 
======================================================================
4192 
===================== Function 70, subfunction 2 =====================
 4138 
===================== Function 70, subfunction 2 =====================
4193 
============ Create/rewrite file with long names support. ============
 4139 
============ Create/rewrite file with long names support. ============
4194 
======================================================================
 4140 
======================================================================
4195 
Parameters:
 4141 
Parameters:
4196 
  * eax = 70 - function number
 4142 
  * eax = 70 - function number
4197 
  * ebx = pointer to the information structure
 4143 
  * ebx = pointer to the information structure
4198 
Format of the information structure:
 4144 
Format of the information structure:
4199 
  * +0: dword: 2 = subfunction number
 4145 
  * +0: dword: 2 = subfunction number
4200 
  * +4: dword: 0 (reserved)
 4146 
  * +4: dword: 0 (reserved)
4201 
  * +8: dword: 0 (reserved)
 4147 
  * +8: dword: 0 (reserved)
4202 
  * +12 = +0xC: dword: number of bytes to read
 4148 
  * +12 = +0xC: dword: number of bytes to read
4203 
  * +16 = +0x10: dword: pointer to data
 4149 
  * +16 = +0x10: dword: pointer to data
4204 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4150 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4205 
    given in the general description
 4151 
    given in the general description
4206 
    or
 4152 
    or
4207 
  * +20 = +0x14: db 0
 4153 
  * +20 = +0x14: db 0
4208 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4154 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4209 
Returned value:
 4155 
Returned value:
4210 
  * eax = 0 - success, otherwise file system error code
 4156 
  * eax = 0 - success, otherwise file system error code
4211 
  * ebx = number of written bytes (possibly 0)
 4157 
  * ebx = number of written bytes (possibly 0)
4212 
Remarks:
 4158 
Remarks:
4213 
  * If a file with given name did not exist, it is created;
 4159 
  * If a file with given name did not exist, it is created;
4214 
    if it existed, it is rewritten.
 4160 
    if it existed, it is rewritten.
4215 
  * If there is not enough free space on disk, the function will
 4161 
  * If there is not enough free space on disk, the function will
4216 
    write as many as can and then return error code 8.
 4162 
    write as many as can and then return error code 8.
4217 
  * The function is not supported for CD (returns error code 2).
 4163 
  * The function is not supported for CD (returns error code 2).
4218 
 
 4164 
 
4219 
======================================================================
 4165 
======================================================================
4220 
===================== Function 70, subfunction 3 =====================
 4166 
===================== Function 70, subfunction 3 =====================
4221 
=========== Write to existing file with long names support. ==========
 4167 
=========== Write to existing file with long names support. ==========
4222 
======================================================================
 4168 
======================================================================
4223 
Parameters:
 4169 
Parameters:
4224 
  * eax = 70 - function number
 4170 
  * eax = 70 - function number
4225 
  * ebx = pointer to the information structure
 4171 
  * ebx = pointer to the information structure
4226 
Format of the information structure:
 4172 
Format of the information structure:
4227 
  * +0: dword: 3 = subfunction number
 4173 
  * +0: dword: 3 = subfunction number
4228 
  * +4: dword: file offset (in bytes)
 4174 
  * +4: dword: file offset (in bytes)
4229 
  * +8: dword: high dword of offset (must be 0 for FAT)
 4175 
  * +8: dword: high dword of offset (must be 0 for FAT)
4230 
  * +12 = +0xC: dword: number of bytes to write
 4176 
  * +12 = +0xC: dword: number of bytes to write
4231 
  * +16 = +0x10: dword: pointer to data
 4177 
  * +16 = +0x10: dword: pointer to data
4232 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4178 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4233 
    given in the general description
 4179 
    given in the general description
4234 
    or
 4180 
    or
4235 
  * +20 = +0x14: db 0
 4181 
  * +20 = +0x14: db 0
4236 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4182 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4237 
Returned value:
 4183 
Returned value:
4238 
  * eax = 0 - success, otherwise file system error code
 4184 
  * eax = 0 - success, otherwise file system error code
4239 
  * ebx = number of written bytes (possibly 0)
 4185 
  * ebx = number of written bytes (possibly 0)
4240 
Remarks:
 4186 
Remarks:
4241 
  * The file must already exist, otherwise function returns eax=5.
 4187 
  * The file must already exist, otherwise function returns eax=5.
4242 
  * The only result of write 0 bytes is update in the file attributes
 4188 
  * The only result of write 0 bytes is update in the file attributes
4243 
    date/time of modification and access to the current date/time.
 4189 
    date/time of modification and access to the current date/time.
4244 
  * If beginning and/or ending position is greater than file size
 4190 
  * If beginning and/or ending position is greater than file size
4245 
    (except for the previous case), the file is expanded to needed
 4191 
    (except for the previous case), the file is expanded to needed
4246 
    size with zero characters.
 4192 
    size with zero characters.
4247 
  * The function is not supported for CD (returns error code 2).
 4193 
  * The function is not supported for CD (returns error code 2).
4248 
 
 4194 
 
4249 
======================================================================
 4195 
======================================================================
4250 
============ Function 70, subfunction 4 - set end of file. ===========
 4196 
============ Function 70, subfunction 4 - set end of file. ===========
4251 
======================================================================
 4197 
======================================================================
4252 
Parameters:
 4198 
Parameters:
4253 
  * eax = 70 - function number
 4199 
  * eax = 70 - function number
4254 
  * ebx = pointer to the information structure
 4200 
  * ebx = pointer to the information structure
4255 
Format of the information structure:
 4201 
Format of the information structure:
4256 
  * +0: dword: 4 = subfunction number
 4202 
  * +0: dword: 4 = subfunction number
4257 
  * +4: dword: low dword of new file size
 4203 
  * +4: dword: low dword of new file size
4258 
  * +8: dword: high dword of new file size (must be 0 for FAT)
 4204 
  * +8: dword: high dword of new file size (must be 0 for FAT)
4259 
  * +12 = +0xC: dword: 0 (reserved)
 4205 
  * +12 = +0xC: dword: 0 (reserved)
4260 
  * +16 = +0x10: dword: 0 (reserved)
 4206 
  * +16 = +0x10: dword: 0 (reserved)
4261 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4207 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4262 
    given in the general description
 4208 
    given in the general description
4263 
    or
 4209 
    or
4264 
  * +20 = +0x14: db 0
 4210 
  * +20 = +0x14: db 0
4265 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4211 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4266 
Returned value:
 4212 
Returned value:
4267 
  * eax = 0 - success, otherwise file system error code
 4213 
  * eax = 0 - success, otherwise file system error code
4268 
  * ebx destroyed
 4214 
  * ebx destroyed
4269 
Remarks:
 4215 
Remarks:
4270 
  * If the new file size is less than old one, file is truncated.
 4216 
  * If the new file size is less than old one, file is truncated.
4271 
    If the new size is greater than old one, file is expanded with
 4217 
    If the new size is greater than old one, file is expanded with
4272 
    characters with code 0. If the new size is equal to old one,
 4218 
    characters with code 0. If the new size is equal to old one,
4273 
    the only result of call is set date/time of modification and
 4219 
    the only result of call is set date/time of modification and
4274 
    access to the current date/time.
 4220 
    access to the current date/time.
4275 
  * If there is not enough free space on disk for expansion, the
 4221 
  * If there is not enough free space on disk for expansion, the
4276 
    function will expand to maximum possible size and then return
 4222 
    function will expand to maximum possible size and then return
4277 
    error code 8.
 4223 
    error code 8.
4278 
  * The function is not supported for CD (returns error code 2).
 4224 
  * The function is not supported for CD (returns error code 2).
4279 
 
 4225 
 
4280 
======================================================================
 4226 
======================================================================
4281 
==== Function 70, subfunction 5 - get information on file/folder. ====
 4227 
==== Function 70, subfunction 5 - get information on file/folder. ====
4282 
======================================================================
 4228 
======================================================================
4283 
Parameters:
 4229 
Parameters:
4284 
  * eax = 70 - function number
 4230 
  * eax = 70 - function number
4285 
  * ebx = pointer to the information structure
 4231 
  * ebx = pointer to the information structure
4286 
Format of the information structure:
 4232 
Format of the information structure:
4287 
  * +0: dword: 5 = subfunction number
 4233 
  * +0: dword: 5 = subfunction number
4288 
  * +4: dword: 0 (reserved)
 4234 
  * +4: dword: 0 (reserved)
4289 
  * +8: dword: 0 (reserved)
 4235 
  * +8: dword: 0 (reserved)
4290 
  * +12 = +0xC: dword: 0 (reserved)
 4236 
  * +12 = +0xC: dword: 0 (reserved)
4291 
  * +16 = +0x10: dword: pointer to buffer for data (40 bytes)
 4237 
  * +16 = +0x10: dword: pointer to buffer for data (40 bytes)
4292 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4238 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4293 
    given in the general description
 4239 
    given in the general description
4294 
    or
 4240 
    or
4295 
  * +20 = +0x14: db 0
 4241 
  * +20 = +0x14: db 0
4296 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4242 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4297 
Returned value:
 4243 
Returned value:
4298 
  * eax = 0 - success, otherwise file system error code
 4244 
  * eax = 0 - success, otherwise file system error code
4299 
  * ebx destroyed
 4245 
  * ebx destroyed
4300 
Information on file is returned in the BDFE format (block of data
 4246 
Information on file is returned in the BDFE format (block of data
4301 
for folder entry), explained in the description of
 4247 
for folder entry), explained in the description of
4302 
subfunction 1, but without filename
 4248 
subfunction 1, but without filename
4303 
(i.e. only first 40 = 0x28 bytes).
 4249 
(i.e. only first 40 = 0x28 bytes).
4304 
Remarks:
 4250 
Remarks:
4305 
  * The function does not support virtual folders such as /, /rd and
 4251 
  * The function does not support virtual folders such as /, /rd and
4306 
    root folders like /rd/1.
 4252 
    root folders like /rd/1.
4307 
 
 4253 
 
4308 
======================================================================
 4254 
======================================================================
4309 
===== Function 70, subfunction 6 - set attributes of file/folder. ====
 4255 
===== Function 70, subfunction 6 - set attributes of file/folder. ====
4310 
======================================================================
 4256 
======================================================================
4311 
Parameters:
 4257 
Parameters:
4312 
  * eax = 70 - function number
 4258 
  * eax = 70 - function number
4313 
  * ebx = pointer to the information structure
 4259 
  * ebx = pointer to the information structure
4314 
Format of the information structure:
 4260 
Format of the information structure:
4315 
  * +0: dword: 6 = subfunction number
 4261 
  * +0: dword: 6 = subfunction number
4316 
  * +4: dword: 0 (reserved)
 4262 
  * +4: dword: 0 (reserved)
4317 
  * +8: dword: 0 (reserved)
 4263 
  * +8: dword: 0 (reserved)
4318 
  * +12 = +0xC: dword: 0 (reserved)
 4264 
  * +12 = +0xC: dword: 0 (reserved)
4319 
  * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes)
 4265 
  * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes)
4320 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4266 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4321 
    given in the general description
 4267 
    given in the general description
4322 
    or
 4268 
    or
4323 
  * +20 = +0x14: db 0
 4269 
  * +20 = +0x14: db 0
4324 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4270 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4325 
Returned value:
 4271 
Returned value:
4326 
  * eax = 0 - success, otherwise file system error code
 4272 
  * eax = 0 - success, otherwise file system error code
4327 
  * ebx destroyed
 4273 
  * ebx destroyed
4328 
File attributes are first 32 bytes in BDFE (block of data
 4274 
File attributes are first 32 bytes in BDFE (block of data
4329 
for folder entry), explained in the description of subfunction 1
 4275 
for folder entry), explained in the description of subfunction 1
4330 
(that is, without name and size of file). Attribute
 4276 
(that is, without name and size of file). Attribute
4331 
file/folder/volume label (bits 3,4 in dword +0) is not changed.
 4277 
file/folder/volume label (bits 3,4 in dword +0) is not changed.
4332 
Byte +4 (name format) is ignored.
 4278 
Byte +4 (name format) is ignored.
4333 
Remarks:
 4279 
Remarks:
4334 
  * The function does not support virtual folders such as /, /rd and
 4280 
  * The function does not support virtual folders such as /, /rd and
4335 
    root folders like /rd/1.
 4281 
    root folders like /rd/1.
4336 
  * The function is not supported for CD (returns error code 2).
 4282 
  * The function is not supported for CD (returns error code 2).
4337 
 
 4283 
 
4338 
======================================================================
 4284 
======================================================================
4339 
=========== Function 70, subfunction 7 - start application. ==========
 4285 
=========== Function 70, subfunction 7 - start application. ==========
4340 
======================================================================
 4286 
======================================================================
4341 
Parameters:
 4287 
Parameters:
4342 
  * eax = 70 - function number
 4288 
  * eax = 70 - function number
4343 
  * ebx = pointer to the information structure
 4289 
  * ebx = pointer to the information structure
4344 
Format of the information structure:
 4290 
Format of the information structure:
4345 
  * +0: dword: 7 = subfunction number
 4291 
  * +0: dword: 7 = subfunction number
4346 
  * +4: dword: flags field:
 4292 
  * +4: dword: flags field:
4347 
    * áèò 0: start process as debugged
 4293 
    * áèò 0: start process as debugged
4348 
    * other bits are reserved and must be set to 0
 4294 
    * other bits are reserved and must be set to 0
4349 
  * +8: dword: 0 or pointer to ASCIIZ-string with parameters
 4295 
  * +8: dword: 0 or pointer to ASCIIZ-string with parameters
4350 
  * +12 = +0xC: dword: 0 (reserved)
 4296 
  * +12 = +0xC: dword: 0 (reserved)
4351 
  * +16 = +0x10: dword: 0 (reserved)
 4297 
  * +16 = +0x10: dword: 0 (reserved)
4352 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4298 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4353 
    given in the general description
 4299 
    given in the general description
4354 
    or
 4300 
    or
4355 
  * +20 = +0x14: db 0
 4301 
  * +20 = +0x14: db 0
4356 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4302 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4357 
Returned value:
 4303 
Returned value:
4358 
  * eax > 0 - program is loaded, eax contains PID
 4304 
  * eax > 0 - program is loaded, eax contains PID
4359 
  * eax < 0 - an error has occured, -eax contains
 4305 
  * eax < 0 - an error has occured, -eax contains
4360 
    file system error code
 4306 
    file system error code
4361 
  * ebx destroyed
 4307 
  * ebx destroyed
4362 
Remarks:
 4308 
Remarks:
4363 
  * Command line must be terminated by the character with the code 0
 4309 
  * Command line must be terminated by the character with the code 0
4364 
    (ASCIIZ-string); function takes into account either all characters
 4310 
    (ASCIIZ-string); function takes into account either all characters
4365 
    up to terminating zero inclusively or first 256 character
 4311 
    up to terminating zero inclusively or first 256 character
4366 
    regarding what is less.
 4312 
    regarding what is less.
4367 
  * If the process is started as debugged, it is created in
 4313 
  * If the process is started as debugged, it is created in
4368 
    the suspended state; to run use subfunction 5 of function 69.
 4314 
    the suspended state; to run use subfunction 5 of function 69.
4369 
 
 4315 
 
4370 
======================================================================
 4316 
======================================================================
4371 
========== Function 70, subfunction 8 - delete file/folder. ==========
 4317 
========== Function 70, subfunction 8 - delete file/folder. ==========
4372 
======================================================================
 4318 
======================================================================
4373 
Parameters:
 4319 
Parameters:
4374 
  * eax = 70 - function number
 4320 
  * eax = 70 - function number
4375 
  * ebx = pointer to the information structure
 4321 
  * ebx = pointer to the information structure
4376 
Format of the information structure:
 4322 
Format of the information structure:
4377 
  * +0: dword: 8 = subfunction number
 4323 
  * +0: dword: 8 = subfunction number
4378 
  * +4: dword: 0 (reserved)
 4324 
  * +4: dword: 0 (reserved)
4379 
  * +8: dword: 0 (reserved)
 4325 
  * +8: dword: 0 (reserved)
4380 
  * +12 = +0xC: dword: 0 (reserved)
 4326 
  * +12 = +0xC: dword: 0 (reserved)
4381 
  * +16 = +0x10: dword: 0 (reserved)
 4327 
  * +16 = +0x10: dword: 0 (reserved)
4382 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4328 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4383 
    given in the general description
 4329 
    given in the general description
4384 
    or
 4330 
    or
4385 
  * +20 = +0x14: db 0
 4331 
  * +20 = +0x14: db 0
4386 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4332 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4387 
Returned value:
 4333 
Returned value:
4388 
  * eax = 0 - success, otherwise file system error code
 4334 
  * eax = 0 - success, otherwise file system error code
4389 
  * ebx destroyed
 4335 
  * ebx destroyed
4390 
Remarks:
 4336 
Remarks:
4391 
  * The function is not supported for CD (returns error code 2).
 4337 
  * The function is not supported for CD (returns error code 2).
4392 
  * The function can delete only empty folders (attempt to delete
 4338 
  * The function can delete only empty folders (attempt to delete
4393 
    nonempty folder results in error with code 10, "access denied").
 4339 
    nonempty folder results in error with code 10, "access denied").
- 
 
 4340 
 
- 
 
 4341 
======================================================================
- 
 
 4342 
============= Function 70, subfunction 9 - create folder. ============
- 
 
 4343 
======================================================================
- 
 
 4344 
Parameters:
- 
 
 4345 
  * eax = 70 - function number
- 
 
 4346 
  * ebx = pointer to the information structure
- 
 
 4347 
Format of the information structure:
- 
 
 4348 
  * +0: dword: 9 = subfunction number
- 
 
 4349 
  * +4: dword: 0 (reserved)
- 
 
 4350 
  * +8: dword: 0 (reserved)
- 
 
 4351 
  * +12 = +0xC: dword: 0 (reserved)
- 
 
 4352 
  * +16 = +0x10: dword: 0 (reserved)
- 
 
 4353 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
- 
 
 4354 
    given in the general description
- 
 
 4355 
    or
- 
 
 4356 
  * +20 = +0x14: db 0
- 
 
 4357 
  * +21 = +0x15: dd pointer to ASCIIZ-string with folder name
- 
 
 4358 
Returned value:
- 
 
 4359 
  * eax = 0 - success, otherwise file system error code
- 
 
 4360 
  * ebx destroyed
- 
 
 4361 
Remarks:
- 
 
 4362 
  * The function is not supported for CD (returns error code 2).
- 
 
 4363 
  * The parent folder must already exist.
- 
 
 4364 
  * If target folder already exists, function returns success (eax=0).
4394 
 
 4365 
 
4395 
======================================================================
 4366 
======================================================================
4396 
========== Function 71, subfunction 1 - set window caption. ==========
 4367 
========== Function 71, subfunction 1 - set window caption. ==========
4397 
======================================================================
 4368 
======================================================================
4398 
Parameters:
 4369 
Parameters:
4399 
  * eax = 71 - function number
 4370 
  * eax = 71 - function number
4400 
  * ebx = 1 - subfunction number
 4371 
  * ebx = 1 - subfunction number
4401 
  * ecx = pointer to caption string
 4372 
  * ecx = pointer to caption string
4402 
Returned value:
 4373 
Returned value:
4403 
  * function does not return value
 4374 
  * function does not return value
4404 
Remarks:
 4375 
Remarks:
4405 
  * String must be in the ASCIIZ-format. Disregarding real string
 4376 
  * String must be in the ASCIIZ-format. Disregarding real string
4406 
    length, no more than 255 characters are drawn.
 4377 
    length, no more than 255 characters are drawn.
4407 
  * Pass NULL in ecx to remove caption.
 4378 
  * Pass NULL in ecx to remove caption.
4408 
 
 4379 
 
4409 
======================================================================
 4380 
======================================================================
4410 
=============== Function -1 - terminate thread/process ===============
 4381 
=============== Function -1 - terminate thread/process ===============
4411 
======================================================================
 4382 
======================================================================
4412 
Parameters:
 4383 
Parameters:
4413 
  * eax = -1 - function number
 4384 
  * eax = -1 - function number
4414 
Returned value:
 4385 
Returned value:
4415 
  * function does not return neither value nor control
 4386 
  * function does not return neither value nor control
4416 
Remarks:
 4387 
Remarks:
4417 
  * If the process did not create threads obviously, it has only
 4388 
  * If the process did not create threads obviously, it has only
4418 
    one thread, which termination results in process termination.
 4389 
    one thread, which termination results in process termination.
4419 
  * If the current thread is last in the process, its termination
 4390 
  * If the current thread is last in the process, its termination
4420 
    also results in process terminates.
 4391 
    also results in process terminates.
4421 
  * This function terminates the current thread. Other thread can be
 4392 
  * This function terminates the current thread. Other thread can be
4422 
    killed by call to subfunction 2 of function 18.
 4393 
    killed by call to subfunction 2 of function 18.
4423 
 
 4394 
 
4424 
======================================================================
 4395 
======================================================================
4425 
=========================== List of events ===========================
 4396 
=========================== List of events ===========================
4426 
======================================================================
 4397 
======================================================================
4427 
Next event can be retrieved by the call of one from functions 10
 4398 
Next event can be retrieved by the call of one from functions 10
4428 
(to wait for event), 11 (to check without waiting), 23
 4399 
(to wait for event), 11 (to check without waiting), 23
4429 
(to wait during the given time).
 4400 
(to wait during the given time).
4430 
These functions return only those events, which enter into a mask set
 4401 
These functions return only those events, which enter into a mask set
4431 
by function 40. By default it is first three,
 4402 
by function 40. By default it is first three,
4432 
there is enough for most applications.
 4403 
there is enough for most applications.
4433 
Codes of events:
 4404 
Codes of events:
4434 
  * 1 = redraw event (is reset by call to function 0)
 4405 
  * 1 = redraw event (is reset by call to function 0)
4435 
  * 2 = key on keyboard is pressed (acts, only when the window is
 4406 
  * 2 = key on keyboard is pressed (acts, only when the window is
4436 
    active) or hotkey is pressed; is reset, when all keys from
 4407 
    active) or hotkey is pressed; is reset, when all keys from
4437 
    the buffer are read out by function 2
 4408 
    the buffer are read out by function 2
4438 
  * 3 = button is pressed, defined earlier by function 8
 4409 
  * 3 = button is pressed, defined earlier by function 8
4439 
    (or close button, created implicitly by function 0;
 4410 
    (or close button, created implicitly by function 0;
4440 
    minimize button is handled by the system and sends no message;
 4411 
    minimize button is handled by the system and sends no message;
4441 
    acts, only when the window is active;
 4412 
    acts, only when the window is active;
4442 
    is reset when all buttons from the buffer
 4413 
    is reset when all buttons from the buffer
4443 
    are read out by function 17)
 4414 
    are read out by function 17)
4444 
  * 4 = reserved (in current implementation never comes even after
 4415 
  * 4 = reserved (in current implementation never comes even after
4445 
    unmasking by function 40)
 4416 
    unmasking by function 40)
4446 
  * 5 = the desktop background is redrawed (is reset automatically
 4417 
  * 5 = the desktop background is redrawed (is reset automatically
4447 
    after redraw, so if in redraw time program does not wait and
 4418 
    after redraw, so if in redraw time program does not wait and
4448 
    does not check events, it will not remark this event)
 4419 
    does not check events, it will not remark this event)
4449 
  * 6 = mouse event (something happened - button pressing or moving;
 4420 
  * 6 = mouse event (something happened - button pressing or moving;
4450 
    is reset at reading)
 4421 
    is reset at reading)
4451 
  * 7 = IPC event (see function 60 -
 4422 
  * 7 = IPC event (see function 60 -
4452 
    Inter Process Communication; is reset at reading)
 4423 
    Inter Process Communication; is reset at reading)
4453 
  * 8 = network event (is reset at reading)
 4424 
  * 8 = network event (is reset at reading)
4454 
  * 9 = debug event (is reset at reading; see
 4425 
  * 9 = debug event (is reset at reading; see
4455 
    debug subsystem)
 4426 
    debug subsystem)
4456 
  * 16..31 = event with appropriate IRQ
 4427 
  * 16..31 = event with appropriate IRQ
4457 
    (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data)
 4428 
    (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data)
4458 
 
 4429 
 
4459 
======================================================================
 4430 
======================================================================
4460 
=================== Error codes of the file system ===================
 4431 
=================== Error codes of the file system ===================
4461 
======================================================================
 4432 
======================================================================
4462 
  * 0 = success
 4433 
  * 0 = success
4463 
  * 1 = base and/or partition of a hard disk is not defined
 4434 
  * 1 = base and/or partition of a hard disk is not defined
4464 
    (by subfunctions 7, 8 of function 21)
 4435 
    (by subfunctions 7, 8 of function 21)
4465 
  * 2 = function is not supported for the given file system
 4436 
  * 2 = function is not supported for the given file system
4466 
  * 3 = unknown file system
 4437 
  * 3 = unknown file system
4467 
  * 4 = is returned only from function 'rename' by transmission of
 4438 
  * 4 = is returned only from function 'rename' by transmission of
4468 
    the strongly incorrect parameter and in any way does not
 4439 
    the strongly incorrect parameter and in any way does not
4469 
    correspond to the description in the kernel sources
 4440 
    correspond to the description in the kernel sources
4470 
    "partition not defined at hd"
 4441 
    "partition not defined at hd"
4471 
  * 5 = file not found
 4442 
  * 5 = file not found
4472 
  * 6 = end of file, EOF
 4443 
  * 6 = end of file, EOF
4473 
  * 7 = pointer lies outside of application memory
 4444 
  * 7 = pointer lies outside of application memory
4474 
  * 8 = disk is full
 4445 
  * 8 = disk is full
4475 
  * 9 = FAT table is destroyed
 4446 
  * 9 = FAT table is destroyed
4476 
  * 10 = access denied
 4447 
  * 10 = access denied
4477 
  * 11 = device error
 4448 
  * 11 = device error
4478 
Application start functions can return also following errors:
 4449 
Application start functions can return also following errors:
4479 
  * 30 = 0x1E = not enough memory
 4450 
  * 30 = 0x1E = not enough memory
4480 
  * 31 = 0x1F = file is not executable
 4451 
  * 31 = 0x1F = file is not executable
4481 
  * 32 = 0x20 = too many processes
 4452 
  * 32 = 0x20 = too many processes
4482 
>
 4453 
>
4483 
>
 4454 
>
4484 
>
 4455 
>
4485 
>
 4456 
>