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SYSTEM FUNCTIONS of OS Kolibri 0.6.0.0
 1 
SYSTEM FUNCTIONS of OS Kolibri 0.6.0.0
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Number of the function is located in the register eax.
 3 
Number of the function is located in the register eax.
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The call of the system function is executed by "int 0x40" command.
 4 
The call of the system function is executed by "int 0x40" command.
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All registers except explicitly declared in the returned value,
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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:
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    * Y = style of the window:
 20 
    * Y = style of the window:
21 
      * Y=0 - type I - fixed-size window
 21 
      * Y=0 - type I - fixed-size window
22 
      * Y=1 - only define window area, draw nothing
 22 
      * Y=1 - only define window area, draw nothing
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      * 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
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      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
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      * 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 is reserved (set to 0)
 35 
      * C is reserved (set to 0)
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:
39 
  * 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
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  * edi = 0x00RRGGBB - color of the frame
47 
Returned value:
 47 
Returned value:
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  * 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
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    of function 12 - end redraw); to change caption of already created
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    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
67 
    Further let us designate xpos,ypos,xsize,ysize - values passed
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    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
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    of the right lower corner. This concerns all other functions too.
 72 
    of the right lower corner. This concerns all other functions too.
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    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
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      (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
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      edi (all components of the color decrease twice)
 89 
      edi (all components of the color decrease twice)
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    * 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
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      (xsize-5,ysize-5) with color indicated in edx
98 
      (taking a gradient into account)
 98 
      (taking a gradient into account)
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    * 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)
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      (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. ===============
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======================================================================
 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)
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  * ecx = y-coordinate (relative to the window)
 127 
  * ecx = y-coordinate (relative to the window)
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  * edx = 0x00RRGGBB - color of a pixel
 128 
  * edx = 0x00RRGGBB - color of a pixel
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    edx = 0x01xxxxxx - invert color of a pixel
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    edx = 0x01xxxxxx - invert color of a pixel
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          (low 24 bits are ignored)
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          (low 24 bits are ignored)
131 
Returned value:
 131 
Returned value:
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  * 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 
======================================================================
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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: 1=system monospaced,
193 
      1=system font of variable width
 193 
      0=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 
    0x10000000 (kernel constand 'std_application_base_address').
 382 
    0x10000000 (kernel constand '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, "menuet.img" (global kernel variable
 683 
  * Filename is fixed, "menuet.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 and FAT32 for hard disks.
 815 
    supports only FAT16 and FAT32 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: dword: sectors per one copy of FAT
 831 
  * +8: dword: sectors per one copy of FAT
832 
  * +12 = +0xC: dword: number of copies of FAT
 832 
  * +12 = +0xC: dword: number of copies of FAT
833 
  * +16 = +0x10: dword: number of sectors per cluster
 833 
  * +16 = +0x10: dword: number of sectors per cluster
834 
  * +20 = +0x14: dword: bytes per sector;
 834 
  * +20 = +0x14: dword: bytes per sector;
835 
    current implementation expects 0x200 = 512 in this field
 835 
    current implementation expects 0x200 = 512 in this field
836 
  * +24 = +0x18: dword: first root cluster in FAT32, 0 for FAT16
 836 
  * +24 = +0x18: dword: first root cluster in FAT32, 0 for FAT16
837 
  * +28 = +0x1C: dword: first physical sector of FAT
 837 
  * +28 = +0x1C: dword: first physical sector of FAT
838 
  * +32 = +0x20: dword: first physical root sector for FAT16,
 838 
  * +32 = +0x20: dword: first physical root sector for FAT16,
839 
    ignored for FAT32
 839 
    ignored for FAT32
840 
  * +36 = +0x24: dword: number of root sectors for FAT16,
 840 
  * +36 = +0x24: dword: number of root sectors for FAT16,
841 
    0 for FAT32
 841 
    0 for FAT32
842 
  * +40 = +0x28: dword: physical sector of the beginning of
 842 
  * +40 = +0x28: dword: physical sector of the beginning of
843 
    the data area
 843 
    the data area
844 
  * +44 = +0x2C: dword: maximum number of a cluster
 844 
  * +44 = +0x2C: dword: maximum number of a cluster
845 
  * +48 = +0x30: dword: physical sector of the information
 845 
  * +48 = +0x30: dword: physical sector of the information
846 
    about the file system for FAT32, ignored for FAT16
 846 
    about the file system for FAT32, ignored for FAT16
847 
  * +52 = +0x34: dword: value used as boundary for special
 847 
  * +52 = +0x34: dword: value used as boundary for special
848 
    values in FAT
 848 
    values in FAT
849 
  * +56 = +0x38: dword: value used for bad clusters in FAT
 849 
  * +56 = +0x38: dword: value used for bad clusters in FAT
850 
  * +60 = +0x3C: dword: value used as the end marker for FAT chain
 850 
  * +60 = +0x3C: dword: value used as the end marker for FAT chain
851 
  * +64 = +0x40: dword: mask for FAT items
 851 
  * +64 = +0x40: dword: mask for FAT items
852 
  * +68 = +0x44: byte: file system type: 16 èëè 32
 852 
  * +68 = +0x44: byte: file system type: 16 èëè 32
853 
  * +69 = +0x45: 31 db: reserved
 853 
  * +69 = +0x45: 31 db: reserved
854 
Remarks:
 854 
Remarks:
855 
  * The short table can be used for obtaining the information about
 855 
  * The short table can be used for obtaining the information about
856 
    available devices.
 856 
    available devices.
857 
  * First two fields in the information about partition
 857 
  * First two fields in the information about partition
858 
    gives the parameters of partition, other - parameters of
 858 
    gives the parameters of partition, other - parameters of
859 
    FAT file system. For other file systems (when they will be
 859 
    FAT file system. For other file systems (when they will be
860 
    supported) specific for file system information will be, of
 860 
    supported) specific for file system information will be, of
861 
    course, another, but first two fields will have the same sense.
 861 
    course, another, but first two fields will have the same sense.
862 
 
 862 
 
863 
======================================================================
 863 
======================================================================
864 
========== Function 18, subfunction 13 - get kernel version. =========
 864 
========== Function 18, subfunction 13 - get kernel version. =========
865 
======================================================================
 865 
======================================================================
866 
Parameters:
 866 
Parameters:
867 
  * eax = 18 - function number
 867 
  * eax = 18 - function number
868 
  * ebx = 13 - subfunction number
 868 
  * ebx = 13 - subfunction number
869 
  * ecx = pointer to the buffer (not less than 16 bytes), where
 869 
  * ecx = pointer to the buffer (not less than 16 bytes), where
870 
    the information will be placed
 870 
    the information will be placed
871 
Returned value:
 871 
Returned value:
872 
  * function does not return value
 872 
  * function does not return value
873 
Structure of the buffer:
 873 
Structure of the buffer:
874 
db a,b,c,d for version a.b.c.d
 874 
db a,b,c,d for version a.b.c.d
875 
db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2
 875 
db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2
876 
db 'name',0 - ASCIIZ-string with the name
 876 
db 'name',0 - ASCIIZ-string with the name
877 
For Kolibri 0.6.0.0 kernel:
 877 
For Kolibri 0.6.0.0 kernel:
878 
db 0,6,0,0
 878 
db 0,6,0,0
879 
db 2
 879 
db 2
880 
db 'Kolibri',0
 880 
db 'Kolibri',0
881 
 
 881 
 
882 
======================================================================
 882 
======================================================================
883 
======= Function 18, subfunction 14 - wait for screen retrace. =======
 883 
======= Function 18, subfunction 14 - wait for screen retrace. =======
884 
======================================================================
 884 
======================================================================
885 
Waits for the beginning of retrace of the scanning ray of the screen
 885 
Waits for the beginning of retrace of the scanning ray of the screen
886 
monitor.
 886 
monitor.
887 
Parameters:
 887 
Parameters:
888 
  * eax = 18 - function number
 888 
  * eax = 18 - function number
889 
  * ebx = 14 - subfunction number
 889 
  * ebx = 14 - subfunction number
890 
Returned value:
 890 
Returned value:
891 
  * eax = 0 as the tag of success
 891 
  * eax = 0 as the tag of success
892 
Remarks:
 892 
Remarks:
893 
  * Function is intended only for active high-efficiency graphics
 893 
  * Function is intended only for active high-efficiency graphics
894 
    applications; is used for smooth output of a graphics.
 894 
    applications; is used for smooth output of a graphics.
895 
 
 895 
 
896 
======================================================================
 896 
======================================================================
897 
== Function 18, subfunction 15 - center mouse cursor on the screen. ==
 897 
== Function 18, subfunction 15 - center mouse cursor on the screen. ==
898 
======================================================================
 898 
======================================================================
899 
Parameters:
 899 
Parameters:
900 
  * eax = 18 - function number
 900 
  * eax = 18 - function number
901 
  * ebx = 15 - subfunction number
 901 
  * ebx = 15 - subfunction number
902 
Returned value:
 902 
Returned value:
903 
  * eax = 0 as the tag of success
 903 
  * eax = 0 as the tag of success
904 
 
 904 
 
905 
======================================================================
 905 
======================================================================
906 
========= Function 18, subfunction 16 - get size of free RAM. ========
 906 
========= Function 18, subfunction 16 - get size of free RAM. ========
907 
======================================================================
 907 
======================================================================
908 
Parameters:
 908 
Parameters:
909 
  * eax = 18 - function number
 909 
  * eax = 18 - function number
910 
  * ebx = 16 - subfunction number
 910 
  * ebx = 16 - subfunction number
911 
Returned value:
 911 
Returned value:
912 
  * eax = size of free memory in kilobytes
 912 
  * eax = size of free memory in kilobytes
913 
 
 913 
 
914 
======================================================================
 914 
======================================================================
915 
======== Function 18, subfunction 17 - get full amount of RAM. =======
 915 
======== Function 18, subfunction 17 - get full amount of RAM. =======
916 
======================================================================
 916 
======================================================================
917 
Parameters:
 917 
Parameters:
918 
  * eax = 18 - function number
 918 
  * eax = 18 - function number
919 
  * ebx = 17 - subfunction number
 919 
  * ebx = 17 - subfunction number
920 
Returned value:
 920 
Returned value:
921 
  * eax = total size of existing memory in kilobytes
 921 
  * eax = total size of existing memory in kilobytes
922 
 
 922 
 
923 
======================================================================
 923 
======================================================================
924 
===================== Function 18, subfunction 18 ====================
 924 
===================== Function 18, subfunction 18 ====================
925 
============= Terminate process/thread by the identifier. ============
 925 
============= Terminate process/thread by the identifier. ============
926 
======================================================================
 926 
======================================================================
927 
Parameters:
 927 
Parameters:
928 
  * eax = 18 - function number
 928 
  * eax = 18 - function number
929 
  * ebx = 18 - subfunction number
 929 
  * ebx = 18 - subfunction number
930 
  * ecx = identifer of process/thread (PID/TID)
 930 
  * ecx = identifer of process/thread (PID/TID)
931 
Returned value:
 931 
Returned value:
932 
  * eax = 0 - success
 932 
  * eax = 0 - success
933 
  * eax = -1 - error (process is not found or is system)
 933 
  * eax = -1 - error (process is not found or is system)
934 
Remarks:
 934 
Remarks:
935 
  * It is impossible to terminate system thread OS/IDLE (identifier
 935 
  * It is impossible to terminate system thread OS/IDLE (identifier
936 
    1), it is possible to terminate any normal process/thread.
 936 
    1), it is possible to terminate any normal process/thread.
937 
  * See also subfunction 2 - terminate
 937 
  * See also subfunction 2 - terminate
938 
    process/thread by given slot.
 938 
    process/thread by given slot.
939 
 
 939 
 
940 
======================================================================
 940 
======================================================================
941 
======== Function 18, subfunction 19 - get/set mouse features. =======
 941 
======== Function 18, subfunction 19 - get/set mouse features. =======
942 
======================================================================
 942 
======================================================================
943 
 
 943 
 
944 
---------------- Subsubfunction 0 - get mouse speed. -----------------
 944 
---------------- Subsubfunction 0 - get mouse speed. -----------------
945 
Parameters:
 945 
Parameters:
946 
  * eax = 18 - function number
 946 
  * eax = 18 - function number
947 
  * ebx = 19 - subfunction number
 947 
  * ebx = 19 - subfunction number
948 
  * ecx = 0 - subsubfunction number
 948 
  * ecx = 0 - subsubfunction number
949 
Returned value:
 949 
Returned value:
950 
  * eax = current mouse speed
 950 
  * eax = current mouse speed
951 
 
 951 
 
952 
---------------- Subsubfunction 1 - set mouse speed. -----------------
 952 
---------------- Subsubfunction 1 - set mouse speed. -----------------
953 
Parameters:
 953 
Parameters:
954 
  * eax = 18 - function number
 954 
  * eax = 18 - function number
955 
  * ebx = 19 - subfunction number
 955 
  * ebx = 19 - subfunction number
956 
  * ecx = 1 - subsubfunction number
 956 
  * ecx = 1 - subsubfunction number
957 
  * edx = new value for speed
 957 
  * edx = new value for speed
958 
Returned value:
 958 
Returned value:
959 
  * function does not return value
 959 
  * function does not return value
960 
 
 960 
 
961 
---------------- Subsubfunction 2 - get mouse delay. -----------------
 961 
---------------- Subsubfunction 2 - get mouse delay. -----------------
962 
Parameters:
 962 
Parameters:
963 
  * eax = 18 - function number
 963 
  * eax = 18 - function number
964 
  * ebx = 19 - subfunction number
 964 
  * ebx = 19 - subfunction number
965 
  * ecx = 2 - subsubfunction number
 965 
  * ecx = 2 - subsubfunction number
966 
Returned value:
 966 
Returned value:
967 
  * eax = current mouse delay
 967 
  * eax = current mouse delay
968 
 
 968 
 
969 
---------------- Subsubfunction 3 - set mouse delay. -----------------
 969 
---------------- Subsubfunction 3 - set mouse delay. -----------------
970 
Parameters:
 970 
Parameters:
971 
  * eax = 18 - function number
 971 
  * eax = 18 - function number
972 
  * ebx = 19 - subfunction number
 972 
  * ebx = 19 - subfunction number
973 
  * ecx = 3 - subsubfunction number
 973 
  * ecx = 3 - subsubfunction number
974 
  * edx = new value for mouse delay
 974 
  * edx = new value for mouse delay
975 
Returned value:
 975 
Returned value:
976 
  * function does not return value
 976 
  * function does not return value
977 
 
 977 
 
978 
----------- Subsubfunction 4 - set mouse pointer position. -----------
 978 
----------- Subsubfunction 4 - set mouse pointer position. -----------
979 
Parameters:
 979 
Parameters:
980 
  * eax = 18 - function number
 980 
  * eax = 18 - function number
981 
  * ebx = 19 - subfunction number
 981 
  * ebx = 19 - subfunction number
982 
  * ecx = 4 - subsubfunction number
 982 
  * ecx = 4 - subsubfunction number
983 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 983 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
984 
Returned value:
 984 
Returned value:
985 
  * function does not return value
 985 
  * function does not return value
986 
Remarks:
 986 
Remarks:
987 
  * It is recommended to set speed of the mouse (in subsubfunction 1)
 987 
  * It is recommended to set speed of the mouse (in subsubfunction 1)
988 
    from 1 up to 9. The installed value is not inspected by the kernel
 988 
    from 1 up to 9. The installed value is not inspected by the kernel
989 
    code, so set it carefully, at incorrect value the cursor
 989 
    code, so set it carefully, at incorrect value the cursor
990 
    can "freeze". Speed of the mouse can be regulated through the
 990 
    can "freeze". Speed of the mouse can be regulated through the
991 
    application SETUP.
 991 
    application SETUP.
992 
  * Recommended delay of the mouse (in subsubfunction 3) = 10. Lower
 992 
  * Recommended delay of the mouse (in subsubfunction 3) = 10. Lower
993 
    value is not handled by COM mice. At the very large values the
 993 
    value is not handled by COM mice. At the very large values the
994 
    movement of the mouse on 1 pixel is impossible and the cursor will
 994 
    movement of the mouse on 1 pixel is impossible and the cursor will
995 
    jump on the value of installed speed (subsubfunction 1). The
 995 
    jump on the value of installed speed (subsubfunction 1). The
996 
    installed value is not inspected by the kernel code.
 996 
    installed value is not inspected by the kernel code.
997 
    Mouse delay can be regulated through the application SETUP.
 997 
    Mouse delay can be regulated through the application SETUP.
998 
  * The subsubfunction 4 does not check the passed value. Before
 998 
  * The subsubfunction 4 does not check the passed value. Before
999 
    its call find out current screen resolution (with function 14)
 999 
    its call find out current screen resolution (with function 14)
1000 
    and check that the value of position is inside the limits of the
 1000 
    and check that the value of position is inside the limits of the
1001 
    screen.
 1001 
    screen.
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 6 - set WSS base port. ==========
 1119 
=========== Function 21, subfunction 6 - set WSS base port. ==========
1120 
======================================================================
 1120 
======================================================================
1121 
Parameters:
 1121 
Parameters:
1122 
  * eax = 21 - function number
 1122 
  * eax = 21 - function number
1123 
  * ebx = 6 - subfunction number
 1123 
  * ebx = 6 - subfunction number
1124 
  * ecx = base port
 1124 
  * ecx = base port
1125 
Returned value:
 1125 
Returned value:
1126 
  * eax = 0 - success
 1126 
  * eax = 0 - success
1127 
  * eax = -1 - erratic port number
 1127 
  * eax = -1 - erratic port number
1128 
Remarks:
 1128 
Remarks:
1129 
  * Port number must satisfy to condition 0x100<=ecx.
 1129 
  * Port number must satisfy to condition 0x100<=ecx.
1130 
  * WSS base is used by function 27.
 1130 
  * WSS base is used by function 27.
1131 
  * To get WSS base port use subfunction 6 of function 26.
 1131 
  * To get WSS base port use subfunction 6 of function 26.
1132 
 
 1132 
 
1133 
======================================================================
 1133 
======================================================================
1134 
============== Function 21, subfunction 7 - set HD base. =============
 1134 
============== Function 21, subfunction 7 - set HD base. =============
1135 
======================================================================
 1135 
======================================================================
1136 
The HD base defines hard disk to write with usage of obsolete
 1136 
The HD base defines hard disk to write with usage of obsolete
1137 
file system functions and functions implicitly using the hard disk
 1137 
file system functions and functions implicitly using the hard disk
1138 
(such as subfunction 6 of function 18);
 1138 
(such as subfunction 6 of function 18);
1139 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1139 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1140 
these function set base themselves.
 1140 
these function set base themselves.
1141 
Parameters:
 1141 
Parameters:
1142 
  * eax = 21 - function number
 1142 
  * eax = 21 - function number
1143 
  * ebx = 7 - subfunction number
 1143 
  * ebx = 7 - subfunction number
1144 
  * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1144 
  * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1145 
Returned value:
 1145 
Returned value:
1146 
  * eax = 0
 1146 
  * eax = 0
1147 
Remarks:
 1147 
Remarks:
1148 
  * Any application at any time can change the base.
 1148 
  * Any application at any time can change the base.
1149 
  * Do not change base, when any application works with hard disk.
 1149 
  * Do not change base, when any application works with hard disk.
1150 
    If you do not want system bugs.
 1150 
    If you do not want system bugs.
1151 
  * To get HD base use subfunction 7 of function 26.
 1151 
  * To get HD base use subfunction 7 of function 26.
1152 
  * It is also necessary to define used partition of hard disk by
1152 
  * It is also necessary to define used partition of hard disk by
1153 
    subfunction 8.
 1153 
    subfunction 8.
1154 
 
 1154 
 
1155 
======================================================================
 1155 
======================================================================
1156 
========= Function 21, subfunction 8 - set used HD partition. ========
 1156 
========= Function 21, subfunction 8 - set used HD partition. ========
1157 
======================================================================
 1157 
======================================================================
1158 
The HD partition defines partition of the hard disk to write with
 1158 
The HD partition defines partition of the hard disk to write with
1159 
usage of obsolete file system functions and functions implicitly
 1159 
usage of obsolete file system functions and functions implicitly
1160 
using the hard disk (such as subfunction 6 of function 18);
 1160 
using the hard disk (such as subfunction 6 of function 18);
1161 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1161 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1162 
these functions set base and partition themselves.
 1162 
these functions set base and partition themselves.
1163 
Parameters:
 1163 
Parameters:
1164 
  * eax = 21 - function number
 1164 
  * eax = 21 - function number
1165 
  * ebx = 8 - subfunction number
 1165 
  * ebx = 8 - subfunction number
1166 
  * ecx = HD partition (beginning from 1)
 1166 
  * ecx = HD partition (beginning from 1)
1167 
Return value:
 1167 
Return value:
1168 
  * eax = 0
 1168 
  * eax = 0
1169 
Remarks:
 1169 
Remarks:
1170 
  * Any application at any time can change partition.
 1170 
  * Any application at any time can change partition.
1171 
  * Do not change partition when any application works with hard disk.
 1171 
  * Do not change partition when any application works with hard disk.
1172 
    If you do not want system bugs.
 1172 
    If you do not want system bugs.
1173 
  * To get used partition use subfunction 8 of function 26.
 1173 
  * To get used partition use subfunction 8 of function 26.
1174 
  * There is no correctness checks.
 1174 
  * There is no correctness checks.
1175 
  * To get the number of partitions of a hard disk use
1175 
  * To get the number of partitions of a hard disk use
1176 
    subfunction 11 of function 18.
 1176 
    subfunction 11 of function 18.
1177 
  * It is also necessary to define used HD base by subfunction 7.
 1177 
  * It is also necessary to define used HD base by subfunction 7.
1178 
 
 1178 
 
1179 
======================================================================
 1179 
======================================================================
1180 
======== Function 21, subfunction 10 - set sound DMA channel. ========
 1180 
======== Function 21, subfunction 10 - set sound DMA channel. ========
1181 
======================================================================
 1181 
======================================================================
1182 
Parameters:
 1182 
Parameters:
1183 
  * eax = 21 - function number
 1183 
  * eax = 21 - function number
1184 
  * ebx = 10 - subfunction number
 1184 
  * ebx = 10 - subfunction number
1185 
  * ecx = number of channel (from 0 up to 3 inclusively)
 1185 
  * ecx = number of channel (from 0 up to 3 inclusively)
1186 
Returned value:
 1186 
Returned value:
1187 
  * eax = 0 - success
 1187 
  * eax = 0 - success
1188 
  * eax = -1 - incorrect channel number
 1188 
  * eax = -1 - incorrect channel number
1189 
Remarks:
 1189 
Remarks:
1190 
  * Number of DMA channel is used in subfunction 1 of function 55.
 1190 
  * Number of DMA channel is used in subfunction 1 of function 55.
1191 
  * To get sound DMA channel use subfunction 10 of function 26.
 1191 
  * To get sound DMA channel use subfunction 10 of function 26.
1192 
 
 1192 
 
1193 
======================================================================
 1193 
======================================================================
1194 
 Function 21, subfunction 11 - enable/disable low-level access to HD.
1194 
 Function 21, subfunction 11 - enable/disable low-level access to HD.
1195 
======================================================================
 1195 
======================================================================
1196 
Parameters:
 1196 
Parameters:
1197 
  * eax = 21 - function number
 1197 
  * eax = 21 - function number
1198 
  * ebx = 11 - subfunction number
 1198 
  * ebx = 11 - subfunction number
1199 
  * ecx = 0/1 - disable/enable
 1199 
  * ecx = 0/1 - disable/enable
1200 
Returned value:
 1200 
Returned value:
1201 
  * eax = 0
 1201 
  * eax = 0
1202 
Remarks:
 1202 
Remarks:
1203 
  * Is used in LBA-read (subfunction 8 of function 58).
 1203 
  * Is used in LBA-read (subfunction 8 of function 58).
1204 
  * The current implementation uses only low bit of ecx.
 1204 
  * The current implementation uses only low bit of ecx.
1205 
  * To get current status use subfunction 11 of function 26.
 1205 
  * To get current status use subfunction 11 of function 26.
1206 
 
 1206 
 
1207 
======================================================================
 1207 
======================================================================
1208 
 Function 21, subfunction 12 - enable/disable low-level access to PCI.
1208 
 Function 21, subfunction 12 - enable/disable low-level access to PCI.
1209 
======================================================================
 1209 
======================================================================
1210 
Parameters:
 1210 
Parameters:
1211 
  * eax = 21 - function number
 1211 
  * eax = 21 - function number
1212 
  * ebx = 12 - subfunction number
 1212 
  * ebx = 12 - subfunction number
1213 
  * ecx = 0/1 - disable/enable
 1213 
  * ecx = 0/1 - disable/enable
1214 
Returned value:
 1214 
Returned value:
1215 
  * eax = 0
 1215 
  * eax = 0
1216 
Remarks:
 1216 
Remarks:
1217 
  * Is used in operations with PCI bus (function 62).
 1217 
  * Is used in operations with PCI bus (function 62).
1218 
  * The current implementation uses only low bit of ecx.
 1218 
  * The current implementation uses only low bit of ecx.
1219 
  * To get current status use subfunction 12 of function 26.
 1219 
  * To get current status use subfunction 12 of function 26.
1220 
 
 1220 
 
1221 
======================================================================
 1221 
======================================================================
1222 
============ Function 21, subfunction 13, subsubfunction 1 ===========
 1222 
============ Function 21, subfunction 13, subsubfunction 1 ===========
1223 
======== Initialize + get information on the driver vmode.mdr. =======
 1223 
======== Initialize + get information on the driver vmode.mdr. =======
1224 
======================================================================
 1224 
======================================================================
1225 
Parameters:
 1225 
Parameters:
1226 
  * eax = 21 - function number
 1226 
  * eax = 21 - function number
1227 
  * ebx = 13 - subfunction number
 1227 
  * ebx = 13 - subfunction number
1228 
  * ecx = 1 - number of the driver function
 1228 
  * ecx = 1 - number of the driver function
1229 
  * edx = pointer to 512-bytes buffer
 1229 
  * edx = pointer to 512-bytes buffer
1230 
Returned value:
 1230 
Returned value:
1231 
  * if driver is not loaded
 1231 
  * if driver is not loaded
1232 
    (never happens in the current implementation):
 1232 
    (never happens in the current implementation):
1233 
    * eax = -1
 1233 
    * eax = -1
1234 
    * ebx, ecx destroyed
 1234 
    * ebx, ecx destroyed
1235 
  * if driver is loaded:
 1235 
  * if driver is loaded:
1236 
    * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high)
 1236 
    * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high)
1237 
      - signature
 1237 
      - signature
1238 
    * ebx = current frequency of the scanning (in Hz)
 1238 
    * ebx = current frequency of the scanning (in Hz)
1239 
    * ecx destroyed
 1239 
    * ecx destroyed
1240 
    * buffer pointed to by edx is filled
 1240 
    * buffer pointed to by edx is filled
1241 
Format of the buffer:
 1241 
Format of the buffer:
1242 
  * +0: 32*byte: driver name, "Trans VideoDriver"
 1242 
  * +0: 32*byte: driver name, "Trans VideoDriver"
1243 
    (without quotes, supplemented by spaces)
 1243 
    (without quotes, supplemented by spaces)
1244 
  * +32 = +0x20: dword: driver version (version x.y is encoded as
 1244 
  * +32 = +0x20: dword: driver version (version x.y is encoded as
1245 
    y*65536+x), for the current implementation is 1 (1.0)
 1245 
    y*65536+x), for the current implementation is 1 (1.0)
1246 
  * +36 = +0x24: 7*dword: reserved (0 in the current implementation)
 1246 
  * +36 = +0x24: 7*dword: reserved (0 in the current implementation)
1247 
  * +64 = +0x40: 32*word: list of supported videomodes (each word
 1247 
  * +64 = +0x40: 32*word: list of supported videomodes (each word
1248 
    is number of a videomode, after list itself there are zeroes)
 1248 
    is number of a videomode, after list itself there are zeroes)
1249 
  * +128 = +0x80: 32*(5*word): list of supported frequences of the
 1249 
  * +128 = +0x80: 32*(5*word): list of supported frequences of the
1250 
    scannings for videomodes: for each videomode listed in the
 1250 
    scannings for videomodes: for each videomode listed in the
1251 
    previous field up to 5 supported frequences are given
 1251 
    previous field up to 5 supported frequences are given
1252 
    (unused positions contain zeroes)
 1252 
    (unused positions contain zeroes)
1253 
Remarks:
 1253 
Remarks:
1254 
  * Function initializes the driver (if it is not initialized yet)
 1254 
  * Function initializes the driver (if it is not initialized yet)
1255 
    and must be called first, before others (otherwise they will do
 1255 
    and must be called first, before others (otherwise they will do
1256 
    nothing and return -1).
 1256 
    nothing and return -1).
1257 
  * The current implementation supports only one frequency
 1257 
  * The current implementation supports only one frequency
1258 
    of the scanning on videomode.
 1258 
    of the scanning on videomode.
1259 
 
 1259 
 
1260 
======================================================================
 1260 
======================================================================
1261 
============ Function 21, subfunction 13, subsubfunction 2 ===========
 1261 
============ Function 21, subfunction 13, subsubfunction 2 ===========
1262 
================ Get information on current videomode. ===============
 1262 
================ Get information on current videomode. ===============
1263 
======================================================================
 1263 
======================================================================
1264 
Parameters:
 1264 
Parameters:
1265 
  * eax = 21 - function number
 1265 
  * eax = 21 - function number
1266 
  * ebx = 13 - subfunction number
 1266 
  * ebx = 13 - subfunction number
1267 
  * ecx = 2 - number of the driver function
 1267 
  * ecx = 2 - number of the driver function
1268 
Returned value:
 1268 
Returned value:
1269 
  * eax = -1 - driver is not loaded or not initialized;
 1269 
  * eax = -1 - driver is not loaded or not initialized;
1270 
    ebx,ecx are destroyed
 1270 
    ebx,ecx are destroyed
1271 
  * eax = [width]*65536 + [height]
 1271 
  * eax = [width]*65536 + [height]
1272 
  * ebx = frequency of the vertical scanning (in Hz)
 1272 
  * ebx = frequency of the vertical scanning (in Hz)
1273 
  * ecx = number of current videomode
 1273 
  * ecx = number of current videomode
1274 
Remarks:
 1274 
Remarks:
1275 
  * Driver must be initialized by call to
1275 
  * Driver must be initialized by call to
1276 
    driver function 1.
 1276 
    driver function 1.
1277 
  * If only screen sizes are required, it is more expedient to use
 1277 
  * If only screen sizes are required, it is more expedient to use
1278 
    function 14 taking into account that it
 1278 
    function 14 taking into account that it
1279 
    returns sizes on 1 less.
 1279 
    returns sizes on 1 less.
1280 
 
 1280 
 
1281 
======================================================================
 1281 
======================================================================
1282 
=== Function 21, subfunction 13, subsubfunction 3 - set videomode. ===
 1282 
=== Function 21, subfunction 13, subsubfunction 3 - set videomode. ===
1283 
======================================================================
 1283 
======================================================================
1284 
Parameters:
 1284 
Parameters:
1285 
  * eax = 21 - function number
 1285 
  * eax = 21 - function number
1286 
  * ebx = 13 - subfunction number
 1286 
  * ebx = 13 - subfunction number
1287 
  * ecx = 3 - number of the driver function
 1287 
  * ecx = 3 - number of the driver function
1288 
  * edx = [scanning frequency]*65536 + [videomode number]
 1288 
  * edx = [scanning frequency]*65536 + [videomode number]
1289 
Returned value:
 1289 
Returned value:
1290 
  * eax = -1 - driver is not loaded, not initialized or
 1290 
  * eax = -1 - driver is not loaded, not initialized or
1291 
    an error has occured
 1291 
    an error has occured
1292 
  * eax = 0 - success
 1292 
  * eax = 0 - success
1293 
  * ebx, ecx destroyed
 1293 
  * ebx, ecx destroyed
1294 
Remarks:
 1294 
Remarks:
1295 
  * Driver must be initialized by driver function 1.
 1295 
  * Driver must be initialized by driver function 1.
1296 
  * The videomode number and frequency must be in the table
 1296 
  * The videomode number and frequency must be in the table
1297 
    returned by driver function 1.
 1297 
    returned by driver function 1.
1298 
 
 1298 
 
1299 
======================================================================
 1299 
======================================================================
1300 
============ Function 21, subfunction 13, subsubfunction 4 ===========
 1300 
============ Function 21, subfunction 13, subsubfunction 4 ===========
1301 
================== Return to the initial videomode. ==================
 1301 
================== Return to the initial videomode. ==================
1302 
======================================================================
 1302 
======================================================================
1303 
Returns the screen to the videomode set at system boot.
 1303 
Returns the screen to the videomode set at system boot.
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 = 4 - number of the driver function
 1307 
  * ecx = 4 - number of the driver function
1308 
Returned value:
 1308 
Returned value:
1309 
  * eax = -1 - driver is not loaded or not initialized
 1309 
  * eax = -1 - driver is not loaded or not initialized
1310 
  * eax = 0 - success
 1310 
  * eax = 0 - success
1311 
  * ebx, ecx destroyed
 1311 
  * ebx, ecx destroyed
1312 
Remarks:
 1312 
Remarks:
1313 
  * Driver must be initialized by call to driver function 1.
 1313 
  * Driver must be initialized by call to driver function 1.
1314 
 
 1314 
 
1315 
======================================================================
 1315 
======================================================================
1316 
============ Function 21, subfunction 13, subsubfunction 5 ===========
 1316 
============ Function 21, subfunction 13, subsubfunction 5 ===========
1317 
===== Increase/decrease the size of the visible area of monitor. =====
 1317 
===== Increase/decrease the size of the visible area of monitor. =====
1318 
======================================================================
 1318 
======================================================================
1319 
Parameters:
 1319 
Parameters:
1320 
  * eax = 21 - function number
 1320 
  * eax = 21 - function number
1321 
  * ebx = 13 - subfunction number
 1321 
  * ebx = 13 - subfunction number
1322 
  * ecx = 5 - number of the driver function
 1322 
  * ecx = 5 - number of the driver function
1323 
  * edx = 0/1 - decrease/increase horizontal size on 1 position
 1323 
  * edx = 0/1 - decrease/increase horizontal size on 1 position
1324 
  * edx = 2/3 - is not supported in the current implementation;
 1324 
  * edx = 2/3 - is not supported in the current implementation;
1325 
    is planned as decrease/increase vertical size on 1 position
 1325 
    is planned as decrease/increase vertical size on 1 position
1326 
Returned value:
 1326 
Returned value:
1327 
  * eax = -1 - driver is not loaded or not initialized
 1327 
  * eax = -1 - driver is not loaded or not initialized
1328 
  * eax = 0 - success
 1328 
  * eax = 0 - success
1329 
  * ebx, ecx destroyed
 1329 
  * ebx, ecx destroyed
1330 
Remarks:
 1330 
Remarks:
1331 
  * Driver must be initialized by call to driver function 1.
 1331 
  * Driver must be initialized by call to driver function 1.
1332 
  * Function influences only the physical size of the screen image;
 1332 
  * Function influences only the physical size of the screen image;
1333 
    the logical size (number of pixels) does not change.
 1333 
    the logical size (number of pixels) does not change.
1334 
 
 1334 
 
1335 
======================================================================
 1335 
======================================================================
1336 
================= Function 22 - set system date/time. ================
 1336 
================= Function 22 - set system date/time. ================
1337 
======================================================================
 1337 
======================================================================
1338 
Parameters:
 1338 
Parameters:
1339 
  * eax = 22 - function number
 1339 
  * eax = 22 - function number
1340 
  * ebx = 0 - set time
 1340 
  * ebx = 0 - set time
1341 
    * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD):
 1341 
    * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD):
1342 
    * HH=hour 00..23
 1342 
    * HH=hour 00..23
1343 
    * MM=minute 00..59
 1343 
    * MM=minute 00..59
1344 
    * SS=second 00..59
 1344 
    * SS=second 00..59
1345 
  * ebx = 1 - set date
 1345 
  * ebx = 1 - set date
1346 
    * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD):
 1346 
    * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD):
1347 
    * DD=day 01..31
 1347 
    * DD=day 01..31
1348 
    * MM=month 01..12
 1348 
    * MM=month 01..12
1349 
    * YY=year 00..99
 1349 
    * YY=year 00..99
1350 
  * ebx = 2 - set day of week
 1350 
  * ebx = 2 - set day of week
1351 
    * ecx = 1 for Sunday, ..., 7 for Saturday
 1351 
    * ecx = 1 for Sunday, ..., 7 for Saturday
1352 
  * ebx = 3 - set alarm clock
 1352 
  * ebx = 3 - set alarm clock
1353 
    * ecx = 0x00SSMMHH
 1353 
    * ecx = 0x00SSMMHH
1354 
Returned value:
 1354 
Returned value:
1355 
  * eax = 0 - success
 1355 
  * eax = 0 - success
1356 
  * eax = 1 - incorrect parameter
 1356 
  * eax = 1 - incorrect parameter
1357 
  * eax = 2 - CMOS-battery was unloaded
 1357 
  * eax = 2 - CMOS-battery was unloaded
1358 
Remarks:
 1358 
Remarks:
1359 
  * Value of installation of day of week seems to be doubtful,
 1359 
  * Value of installation of day of week seems to be doubtful,
1360 
    as it a little where is used
 1360 
    as it a little where is used
1361 
    (day of week can be calculated by date).
 1361 
    (day of week can be calculated by date).
1362 
  * Alarm clock can be set on operation in the given time every day.
 1362 
  * Alarm clock can be set on operation in the given time every day.
1363 
    But there is no existing system function to disable it.
 1363 
    But there is no existing system function to disable it.
1364 
  * Operation of alarm clock consists in generation IRQ8.
 1364 
  * Operation of alarm clock consists in generation IRQ8.
1365 
  * Generally CMOS supports for alarm clock set of value 0xFF
 1365 
  * Generally CMOS supports for alarm clock set of value 0xFF
1366 
    as one of parameters and it means that the appropriate parameter
 1366 
    as one of parameters and it means that the appropriate parameter
1367 
    is ignored. But current implementation does not allow this
 1367 
    is ignored. But current implementation does not allow this
1368 
    (will return 1).
 1368 
    (will return 1).
1369 
  * Alarm clock is a global system resource; the set of
 1369 
  * Alarm clock is a global system resource; the set of
1370 
    an alarm clock cancels automatically the previous set.
 1370 
    an alarm clock cancels automatically the previous set.
1371 
    However, at moment no program uses it.
 1371 
    However, at moment no program uses it.
1372 
 
 1372 
 
1373 
======================================================================
 1373 
======================================================================
1374 
============= Function 23 - wait for event with timeout. =============
 1374 
============= Function 23 - wait for event with timeout. =============
1375 
======================================================================
 1375 
======================================================================
1376 
If the message queue is empty, waits for new message in the queue,
 1376 
If the message queue is empty, waits for new message in the queue,
1377 
but no more than given time. Then reads out a message from the queue.
 1377 
but no more than given time. Then reads out a message from the queue.
1378 
 
 1378 
 
1379 
Parameters:
 1379 
Parameters:
1380 
  * eax = 23 - function number
 1380 
  * eax = 23 - function number
1381 
  * ebx = timeout (in 1/100 of second)
 1381 
  * ebx = timeout (in 1/100 of second)
1382 
Returned value:
 1382 
Returned value:
1383 
  * eax = 0 - the message queue is empty
 1383 
  * eax = 0 - the message queue is empty
1384 
  * otherwise eax = event (see the list of events)
 1384 
  * otherwise eax = event (see the list of events)
1385 
Remarks:
 1385 
Remarks:
1386 
  * Only those events are taken into account, which enter into
 1386 
  * Only those events are taken into account, which enter into
1387 
    the mask set by function 40. By default it is
 1387 
    the mask set by function 40. By default it is
1388 
    redraw, key and button events.
 1388 
    redraw, key and button events.
1389 
  * To check for presence of a message in the queue use function 11.
 1389 
  * To check for presence of a message in the queue use function 11.
1390 
    To wait without timeout use function 10.
 1390 
    To wait without timeout use function 10.
1391 
  * Transmission ebx=0 results in immediate returning eax=0.
 1391 
  * Transmission ebx=0 results in immediate returning eax=0.
1392 
  * Current implementation returns immediately with eax=0,
 1392 
  * Current implementation returns immediately with eax=0,
1393 
    if the addition of ebx with the current value of time counter
 1393 
    if the addition of ebx with the current value of time counter
1394 
    makes 32-bit overflow.
 1394 
    makes 32-bit overflow.
1395 
 
 1395 
 
1396 
======================================================================
 1396 
======================================================================
1397 
======== Function 24, subfunction 1 - begin to play CD-audio. ========
 1397 
======== Function 24, subfunction 1 - begin to play CD-audio. ========
1398 
======================================================================
 1398 
======================================================================
1399 
Parameters:
 1399 
Parameters:
1400 
  * eax = 24 - function number
 1400 
  * eax = 24 - function number
1401 
  * ebx = 1 - subfunction number
 1401 
  * ebx = 1 - subfunction number
1402 
  * ecx = 0x00FRSSMM, where
 1402 
  * ecx = 0x00FRSSMM, where
1403 
    * MM = starting minute
 1403 
    * MM = starting minute
1404 
    * SS = starting second
 1404 
    * SS = starting second
1405 
    * FR = starting frame
 1405 
    * FR = starting frame
1406 
Returned value:
 1406 
Returned value:
1407 
  * eax = 0 - success
 1407 
  * eax = 0 - success
1408 
  * eax = 1 - CD base is not defined
 1408 
  * eax = 1 - CD base is not defined
1409 
Remarks:
 1409 
Remarks:
1410 
  * Previously CD base must be defined by the call to
1410 
  * Previously CD base must be defined by the call to
1411 
    subfunction 3 of function 21.
 1411 
    subfunction 3 of function 21.
1412 
  * One second includes 75 frames, one minute includes 60 seconds.
 1412 
  * One second includes 75 frames, one minute includes 60 seconds.
1413 
  * The function is asynchronous (returns control, when play begins).
 1413 
  * The function is asynchronous (returns control, when play begins).
1414 
 
 1414 
 
1415 
======================================================================
 1415 
======================================================================
1416 
======= Function 24, subfunction 2 - get information on tracks. ======
 1416 
======= Function 24, subfunction 2 - get information on tracks. ======
1417 
======================================================================
 1417 
======================================================================
1418 
Parameters:
 1418 
Parameters:
1419 
  * eax = 24 - function number
 1419 
  * eax = 24 - function number
1420 
  * ebx = 2 - subfunction number
 1420 
  * ebx = 2 - subfunction number
1421 
  * ecx = pointer to the buffer for the table
 1421 
  * ecx = pointer to the buffer for the table
1422 
    (maximum 8*64h+4 bytes=100 tracks)
 1422 
    (maximum 8*64h+4 bytes=100 tracks)
1423 
Returned value:
 1423 
Returned value:
1424 
  * eax = 0 - success
 1424 
  * eax = 0 - success
1425 
  * eax = 1 - CD base is not defined
 1425 
  * eax = 1 - CD base is not defined
1426 
Remarks:
 1426 
Remarks:
1427 
  * The format of the table with tracks information is the same as
 1427 
  * The format of the table with tracks information is the same as
1428 
    for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h).
 1428 
    for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h).
1429 
    Function returns addresses in MSF.
 1429 
    Function returns addresses in MSF.
1430 
  * Previously CD base port must be set by call to
1430 
  * Previously CD base port must be set by call to
1431 
    subfunction 3 of function 21.
 1431 
    subfunction 3 of function 21.
1432 
  * Function returns information only about no more than 100
 1432 
  * Function returns information only about no more than 100
1433 
    first tracks. In most cases it is enough.
 1433 
    first tracks. In most cases it is enough.
1434 
 
 1434 
 
1435 
======================================================================
 1435 
======================================================================
1436 
========== Function 24, subfunction 3 - stop play CD-audio. ==========
 1436 
========== Function 24, subfunction 3 - stop play CD-audio. ==========
1437 
======================================================================
 1437 
======================================================================
1438 
Parameters:
 1438 
Parameters:
1439 
  * eax = 24 - function number
 1439 
  * eax = 24 - function number
1440 
  * ebx = 1 - subfunction number
 1440 
  * ebx = 1 - subfunction number
1441 
Returned value:
 1441 
Returned value:
1442 
  * eax = 0 - success
 1442 
  * eax = 0 - success
1443 
  * eax = 1 - CD base is not defined
 1443 
  * eax = 1 - CD base is not defined
1444 
Çàìå÷àíèÿ:
 1444 
Çàìå÷àíèÿ:
1445 
  * Previously CD base port must be defined by call to
1445 
  * Previously CD base port must be defined by call to
1446 
    subfunction 3 of function 21.
 1446 
    subfunction 3 of function 21.
1447 
 
 1447 
 
1448 
======================================================================
 1448 
======================================================================
1449 
=================== Function 25 - set SBPro volume. ==================
 1449 
=================== Function 25 - set SBPro volume. ==================
1450 
======================================================================
 1450 
======================================================================
1451 
Parameters:
 1451 
Parameters:
1452 
  * eax = 25 - function number
 1452 
  * eax = 25 - function number
1453 
  * ebx = what to set:
 1453 
  * ebx = what to set:
1454 
    * 1 - set common volume
 1454 
    * 1 - set common volume
1455 
    * 2 - set CD-audio volume
 1455 
    * 2 - set CD-audio volume
1456 
  * cl = volume level: high 4 bits for the left column,
 1456 
  * cl = volume level: high 4 bits for the left column,
1457 
    low 4 bits for the right one
 1457 
    low 4 bits for the right one
1458 
Returned value:
 1458 
Returned value:
1459 
  * eax = 0 - success
 1459 
  * eax = 0 - success
1460 
  * eax = 1 - SB base is not defined
 1460 
  * eax = 1 - SB base is not defined
1461 
  * eax = 2 - incorrect subfunction
 1461 
  * eax = 2 - incorrect subfunction
1462 
Remarks:
 1462 
Remarks:
1463 
  * Previously SB base port must be defined by
1463 
  * Previously SB base port must be defined by
1464 
    subfunction 4 of function 21.
 1464 
    subfunction 4 of function 21.
1465 
  * See also function 28 which sets
 1465 
  * See also function 28 which sets
1466 
    volume for the later standard SB16.
 1466 
    volume for the later standard SB16.
1467 
 
 1467 
 
1468 
======================================================================
 1468 
======================================================================
1469 
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
 1469 
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
1470 
======================================================================
 1470 
======================================================================
1471 
Parameters:
 1471 
Parameters:
1472 
  * eax = 26 - function number
 1472 
  * eax = 26 - function number
1473 
  * ebx = 1 - subfunction number
 1473 
  * ebx = 1 - subfunction number
1474 
Returned value:
 1474 
Returned value:
1475 
  * eax = port number
 1475 
  * eax = port number
1476 
Parameters:
 1476 
Parameters:
1477 
  * To set base port use subfunction 1 of function 21.
 1477 
  * To set base port use subfunction 1 of function 21.
1478 
 
 1478 
 
1479 
======================================================================
 1479 
======================================================================
1480 
========== Function 26, subfunction 2 - get keyboard layout. =========
 1480 
========== Function 26, subfunction 2 - get keyboard layout. =========
1481 
======================================================================
 1481 
======================================================================
1482 
The keyboard layout is used to convert keyboard scancodes to
 1482 
The keyboard layout is used to convert keyboard scancodes to
1483 
ASCII-codes for function 2.
 1483 
ASCII-codes for function 2.
1484 
Parameters:
 1484 
Parameters:
1485 
  * eax = 26 - function number
 1485 
  * eax = 26 - function number
1486 
  * ebx = 2 - subfunction number
 1486 
  * ebx = 2 - subfunction number
1487 
  * ecx = what layout to get:
 1487 
  * ecx = what layout to get:
1488 
    * 1 = normal layout
 1488 
    * 1 = normal layout
1489 
    * 2 = layout with pressed Shift
 1489 
    * 2 = layout with pressed Shift
1490 
    * 3 = layout with pressed Alt
 1490 
    * 3 = layout with pressed Alt
1491 
  * edx = pointer to the 128-bytes buffer, where the layout will be
 1491 
  * edx = pointer to the 128-bytes buffer, where the layout will be
1492 
    copied
 1492 
    copied
1493 
Returned value:
 1493 
Returned value:
1494 
  * function does not return value
 1494 
  * function does not return value
1495 
Or:
 1495 
Or:
1496 
  * eax = 26 - function number
 1496 
  * eax = 26 - function number
1497 
  * ebx = 2 - subfunction number
 1497 
  * ebx = 2 - subfunction number
1498 
  * ecx = 9
 1498 
  * ecx = 9
1499 
Returned value:
 1499 
Returned value:
1500 
  * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
 1500 
  * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus)
1501 
Remarks:
 1501 
Remarks:
1502 
  * If Alt is pressed, the layout with Alt is used;
 1502 
  * If Alt is pressed, the layout with Alt is used;
1503 
    if Alt is not pressed, but Shift is pressed,
 1503 
    if Alt is not pressed, but Shift is pressed,
1504 
    the layout with Shift is used;
 1504 
    the layout with Shift is used;
1505 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
 1505 
    if Alt and Shift are not pressed, but Ctrl is pressed, the normal
1506 
    layout is used and then from the code is subtracted 0x60;
 1506 
    layout is used and then from the code is subtracted 0x60;
1507 
    if no control key is pressed, the normal layout is used.
 1507 
    if no control key is pressed, the normal layout is used.
1508 
  * To set layout and country identifier use
1508 
  * To set layout and country identifier use
1509 
    subfunction 2 of function 21.
 1509 
    subfunction 2 of function 21.
1510 
  * Country identifier is global system variable, which is not used
 1510 
  * Country identifier is global system variable, which is not used
1511 
    by the kernel itself; however the application '@panel' displays
 1511 
    by the kernel itself; however the application '@panel' displays
1512 
    the corresponding icon (using this function).
 1512 
    the corresponding icon (using this function).
1513 
  * The application @panel switches layouts on user request.
 1513 
  * The application @panel switches layouts on user request.
1514 
 
 1514 
 
1515 
======================================================================
 1515 
======================================================================
1516 
============== Function 26, subfunction 3 - get CD base. =============
 1516 
============== Function 26, subfunction 3 - get CD base. =============
1517 
======================================================================
 1517 
======================================================================
1518 
Parameters:
 1518 
Parameters:
1519 
  * eax = 26 - function number
 1519 
  * eax = 26 - function number
1520 
  * ebx = 3 - subfunction number
 1520 
  * ebx = 3 - subfunction number
1521 
Returned value:
 1521 
Returned value:
1522 
  * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1522 
  * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1523 
Remarks:
 1523 
Remarks:
1524 
  * CD base is used by function 24.
 1524 
  * CD base is used by function 24.
1525 
  * To set CD base use subfunction 3 of function 21.
 1525 
  * To set CD base use subfunction 3 of function 21.
1526 
 
 1526 
 
1527 
======================================================================
 1527 
======================================================================
1528 
====== Function 26, subfunction 4 - get Sound Blaster base port. =====
 1528 
====== Function 26, subfunction 4 - get Sound Blaster base port. =====
1529 
======================================================================
 1529 
======================================================================
1530 
Parameters:
 1530 
Parameters:
1531 
  * eax = 26 - function number
 1531 
  * eax = 26 - function number
1532 
  * ebx = 4 - subfunction number
 1532 
  * ebx = 4 - subfunction number
1533 
Returned value:
 1533 
Returned value:
1534 
  * eax = base port number
 1534 
  * eax = base port number
1535 
Remarks:
 1535 
Remarks:
1536 
  * Bae port is used by functions 25, 55.
 1536 
  * Bae port is used by functions 25, 55.
1537 
  * To set base port use subfunction 4 of function 21.
 1537 
  * To set base port use subfunction 4 of function 21.
1538 
 
 1538 
 
1539 
======================================================================
 1539 
======================================================================
1540 
========== Function 26, subfunction 5 - get system language. =========
 1540 
========== Function 26, subfunction 5 - get system language. =========
1541 
======================================================================
 1541 
======================================================================
1542 
Parameters:
 1542 
Parameters:
1543 
  * eax = 26 - function number
 1543 
  * eax = 26 - function number
1544 
  * ebx = 5 - subfunction number
 1544 
  * ebx = 5 - subfunction number
1545 
Returned value:
 1545 
Returned value:
1546 
  * eax = system language (1=eng, 2=fi, 3=ger, 4=rus)
 1546 
  * eax = system language (1=eng, 2=fi, 3=ger, 4=rus)
1547 
Remarks:
 1547 
Remarks:
1548 
  * System language is global system variable and is not used
 1548 
  * System language is global system variable and is not used
1549 
    by the kernel itself, however application @panel draws the
 1549 
    by the kernel itself, however application @panel draws the
1550 
    appropriate icon (using this function).
 1550 
    appropriate icon (using this function).
1551 
  * To set system language use subfunction 5 of function 21.
 1551 
  * To set system language use subfunction 5 of function 21.
1552 
 
 1552 
 
1553 
======================================================================
 1553 
======================================================================
1554 
=========== Function 26, subfunction 6 - get WSS base port. ==========
 1554 
=========== Function 26, subfunction 6 - get WSS base port. ==========
1555 
======================================================================
 1555 
======================================================================
1556 
Parameters:
 1556 
Parameters:
1557 
  * eax = 26 - function number
 1557 
  * eax = 26 - function number
1558 
  * ebx = 6 - subfunction number
 1558 
  * ebx = 6 - subfunction number
1559 
Returned value:
 1559 
Returned value:
1560 
  * eax = base port
 1560 
  * eax = base port
1561 
Remarks:
 1561 
Remarks:
1562 
  * WSS base is used by function 27.
 1562 
  * WSS base is used by function 27.
1563 
  * To set WSS base port use subfunction 6 of function 21.
 1563 
  * To set WSS base port use subfunction 6 of function 21.
1564 
 
 1564 
 
1565 
======================================================================
 1565 
======================================================================
1566 
============== Function 26, subfunction 7 - get HD base. =============
 1566 
============== Function 26, subfunction 7 - get HD base. =============
1567 
======================================================================
 1567 
======================================================================
1568 
The HD base defines hard disk to write with usage of obsolete
 1568 
The HD base defines hard disk to write with usage of obsolete
1569 
file system functions and functions implicitly using the hard disk
 1569 
file system functions and functions implicitly using the hard disk
1570 
(such as subfunction 6 of function 18);
 1570 
(such as subfunction 6 of function 18);
1571 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1571 
at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1572 
these function set base themselves.
 1572 
these function set base themselves.
1573 
Parameters:
 1573 
Parameters:
1574 
  * eax = 26 - function number
 1574 
  * eax = 26 - function number
1575 
  * ebx = 7 - subfunction number
 1575 
  * ebx = 7 - subfunction number
1576 
Returned value:
 1576 
Returned value:
1577 
  * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
 1577 
  * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3
1578 
Remarks:
 1578 
Remarks:
1579 
  * Any application in any time can change HD base.
 1579 
  * Any application in any time can change HD base.
1580 
  * To set base use subfunction 7 of function 21.
 1580 
  * To set base use subfunction 7 of function 21.
1581 
  * To get used partition of hard disk use subfunction 8.
 1581 
  * To get used partition of hard disk use subfunction 8.
1582 
 
 1582 
 
1583 
======================================================================
 1583 
======================================================================
1584 
========= Function 26, subfunction 8 - get used HD partition. ========
 1584 
========= Function 26, subfunction 8 - get used HD partition. ========
1585 
======================================================================
 1585 
======================================================================
1586 
The HD partition defines partition of the hard disk to write with
 1586 
The HD partition defines partition of the hard disk to write with
1587 
usage of obsolete file system functions and functions implicitly
 1587 
usage of obsolete file system functions and functions implicitly
1588 
using the hard disk (such as subfunction 6 of function 18);
 1588 
using the hard disk (such as subfunction 6 of function 18);
1589 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
 1589 
at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3
1590 
these functions set base and partition themselves.
 1590 
these functions set base and partition themselves.
1591 
Parameters:
 1591 
Parameters:
1592 
  * eax = 26 - function number
 1592 
  * eax = 26 - function number
1593 
  * ebx = 8 - subfunction number
 1593 
  * ebx = 8 - subfunction number
1594 
Returned value:
 1594 
Returned value:
1595 
  * eax = HD partition (beginning from 1)
 1595 
  * eax = HD partition (beginning from 1)
1596 
Remarks:
 1596 
Remarks:
1597 
  * Any application in any time can change partition.
 1597 
  * Any application in any time can change partition.
1598 
  * To set partition use subfunction 8 of function 21.
 1598 
  * To set partition use subfunction 8 of function 21.
1599 
  * To get number of partitions on a hard disk use
 1599 
  * To get number of partitions on a hard disk use
1600 
    subfunction 11 of function 18.
 1600 
    subfunction 11 of function 18.
1601 
  * To get base of used hard disk, use subfunction 7.
 1601 
  * To get base of used hard disk, use subfunction 7.
1602 
 
 1602 
 
1603 
======================================================================
 1603 
======================================================================
1604 
=== Function 26, subfunction 9 - get the value of the time counter. ==
 1604 
=== Function 26, subfunction 9 - get the value of the time counter. ==
1605 
======================================================================
 1605 
======================================================================
1606 
Parameters:
 1606 
Parameters:
1607 
  * eax = 26 - function number
 1607 
  * eax = 26 - function number
1608 
  * ebx = 9 - subfunction number
 1608 
  * ebx = 9 - subfunction number
1609 
Returned value:
 1609 
Returned value:
1610 
  * eax = number of 1/100s of second, past from the system boot time
 1610 
  * eax = number of 1/100s of second, past from the system boot time
1611 
Remarks:
 1611 
Remarks:
1612 
  * Counter takes modulo 2^32, that correspond to a little more
 1612 
  * Counter takes modulo 2^32, that correspond to a little more
1613 
    than 497 days.
 1613 
    than 497 days.
1614 
  * To get system time use function 3.
 1614 
  * To get system time use function 3.
1615 
 
 1615 
 
1616 
======================================================================
 1616 
======================================================================
1617 
======== Function 26, subfunction 10 - get sound DMA channel. ========
 1617 
======== Function 26, subfunction 10 - get sound DMA channel. ========
1618 
======================================================================
 1618 
======================================================================
1619 
Parameters:
 1619 
Parameters:
1620 
  * eax = 26 - function number
 1620 
  * eax = 26 - function number
1621 
  * ebx = 10 - subfunction number
 1621 
  * ebx = 10 - subfunction number
1622 
Returned value:
 1622 
Returned value:
1623 
  * eax = number of the channel (from 0 to 3 inclusive)
 1623 
  * eax = number of the channel (from 0 to 3 inclusive)
1624 
Remarks:
 1624 
Remarks:
1625 
  * Number of the DMA channel is used by subfunction 1 of function 55.
 1625 
  * Number of the DMA channel is used by subfunction 1 of function 55.
1626 
  * To set the sound DMA channel use subfunction 10 of function 21.
 1626 
  * To set the sound DMA channel use subfunction 10 of function 21.
1627 
 
 1627 
 
1628 
======================================================================
 1628 
======================================================================
1629 
===================== Function 26, subfunction 11 ====================
 1629 
===================== Function 26, subfunction 11 ====================
1630 
========== Find out whether low-level HD access is enabled. ==========
 1630 
========== Find out whether low-level HD access is enabled. ==========
1631 
======================================================================
 1631 
======================================================================
1632 
Parameters:
 1632 
Parameters:
1633 
  * eax = 26 - function number
 1633 
  * eax = 26 - function number
1634 
  * ebx = 11 - subfunction number
 1634 
  * ebx = 11 - subfunction number
1635 
Returned value:
 1635 
Returned value:
1636 
  * eax = 0/1 - disabled/enabled
 1636 
  * eax = 0/1 - disabled/enabled
1637 
Remarks:
 1637 
Remarks:
1638 
  * Is used in LBA read (subfunction 8 of function 58).
 1638 
  * Is used in LBA read (subfunction 8 of function 58).
1639 
  * To set current state use subfunction 11 of function 21.
 1639 
  * To set current state use subfunction 11 of function 21.
1640 
 
 1640 
 
1641 
======================================================================
 1641 
======================================================================
1642 
===================== Function 26, subfunction 12 ====================
 1642 
===================== Function 26, subfunction 12 ====================
1643 
========== Find out whether low-level PCI access is enabled. =========
 1643 
========== Find out whether low-level PCI access is enabled. =========
1644 
======================================================================
 1644 
======================================================================
1645 
Parameters:
 1645 
Parameters:
1646 
  * eax = 26 - function number
 1646 
  * eax = 26 - function number
1647 
  * ebx = 12 - subfunction number
 1647 
  * ebx = 12 - subfunction number
1648 
Returned value:
 1648 
Returned value:
1649 
  * eax = 0/1 - disabled/enabled
 1649 
  * eax = 0/1 - disabled/enabled
1650 
Remarks:
 1650 
Remarks:
1651 
  * Is used by operations with PCI bus (function 62).
 1651 
  * Is used by operations with PCI bus (function 62).
1652 
  * The current implementation uses only low bit of ecx.
 1652 
  * The current implementation uses only low bit of ecx.
1653 
  * To set the current state use subfunction 12 of function 21.
 1653 
  * To set the current state use subfunction 12 of function 21.
1654 
 
 1654 
 
1655 
======================================================================
 1655 
======================================================================
1656 
======== Function 27 - set Windows Sound System (WSS) volume. ========
 1656 
======== Function 27 - set Windows Sound System (WSS) volume. ========
1657 
======================================================================
 1657 
======================================================================
1658 
Parameters:
 1658 
Parameters:
1659 
  * eax = 27 - function number
 1659 
  * eax = 27 - function number
1660 
  * ebx = what to set:
 1660 
  * ebx = what to set:
1661 
    * 1 - set common volume
 1661 
    * 1 - set common volume
1662 
    * 2 - set Line In volume
 1662 
    * 2 - set Line In volume
1663 
  * cl = volume level (0x0=highest, 0x1F=lowest,
 1663 
  * cl = volume level (0x0=highest, 0x1F=lowest,
1664 
    if bit 0x80 is set=disable)
 1664 
    if bit 0x80 is set=disable)
1665 
Returned value:
 1665 
Returned value:
1666 
  * eax = 0 - success
 1666 
  * eax = 0 - success
1667 
  * eax = 1 - WSS base is not defined
 1667 
  * eax = 1 - WSS base is not defined
1668 
  * eax = 2 - incorrect subfunction
 1668 
  * eax = 2 - incorrect subfunction
1669 
Remarks:
 1669 
Remarks:
1670 
  * Previously WSS base port must be defined by call to
1670 
  * Previously WSS base port must be defined by call to
1671 
    subfunction 6 of function 21.
 1671 
    subfunction 6 of function 21.
1672 
  * Set of common volume is ignored (function simply returns eax=0).
 1672 
  * Set of common volume is ignored (function simply returns eax=0).
1673 
  * Old documentation and kernel sources erraticly name function 2
 1673 
  * Old documentation and kernel sources erraticly name function 2
1674 
    as CD-audio volume.
 1674 
    as CD-audio volume.
1675 
 
 1675 
 
1676 
======================================================================
 1676 
======================================================================
1677 
=================== Function 28 - set SB16 volume. ===================
 1677 
=================== Function 28 - set SB16 volume. ===================
1678 
======================================================================
 1678 
======================================================================
1679 
Parameters:
 1679 
Parameters:
1680 
  * eax = 28 - function number
 1680 
  * eax = 28 - function number
1681 
  * ebx = what to install:
 1681 
  * ebx = what to install:
1682 
    * 1 - install common volume
 1682 
    * 1 - install common volume
1683 
    * 2 - install CD-audio volume
 1683 
    * 2 - install CD-audio volume
1684 
  * cl = volume level (0=off, 0xFF=max)
 1684 
  * cl = volume level (0=off, 0xFF=max)
1685 
Returned value:
 1685 
Returned value:
1686 
  * eax = 0 - success
 1686 
  * eax = 0 - success
1687 
  * eax = 1 - SB base is not defined
 1687 
  * eax = 1 - SB base is not defined
1688 
  * eax = 2 - incorrect subfunction
 1688 
  * eax = 2 - incorrect subfunction
1689 
Remarks:
 1689 
Remarks:
1690 
  * Previously SB base port must be defined by
 1690 
  * Previously SB base port must be defined by
1691 
    subfunction 4 of function 21.
 1691 
    subfunction 4 of function 21.
1692 
  * This function gives more variants for volume, that function 25.
 1692 
  * This function gives more variants for volume, that function 25.
1693 
 
 1693 
 
1694 
======================================================================
 1694 
======================================================================
1695 
=================== Function 29 - get system date. ===================
 1695 
=================== Function 29 - get system date. ===================
1696 
======================================================================
 1696 
======================================================================
1697 
Parameters:
 1697 
Parameters:
1698 
  * eax = 29 - function number
 1698 
  * eax = 29 - function number
1699 
Returned value:
 1699 
Returned value:
1700 
  * eax = 0x00DDMMYY, where
 1700 
  * eax = 0x00DDMMYY, where
1701 
    (binary-decimal coding, BCD, is used)
 1701 
    (binary-decimal coding, BCD, is used)
1702 
  * YY = two low digits of year (00..99)
 1702 
  * YY = two low digits of year (00..99)
1703 
  * MM = month (01..12)
 1703 
  * MM = month (01..12)
1704 
  * DD = day (01..31)
 1704 
  * DD = day (01..31)
1705 
Remarks:
 1705 
Remarks:
1706 
  * To set system date use function 22.
 1706 
  * To set system date use function 22.
1707 
 
 1707 
 
1708 
======================================================================
 1708 
======================================================================
1709 
=============== Function 32 - delete file from ramdisk. ==============
 1709 
=============== Function 32 - delete file from ramdisk. ==============
1710 
======================================================================
 1710 
======================================================================
1711 
Parameters:
 1711 
Parameters:
1712 
  * eax = 32 - function number
 1712 
  * eax = 32 - function number
1713 
  * ebx = pointer to the filename
 1713 
  * ebx = pointer to the filename
1714 
Returned value:
 1714 
Returned value:
1715 
  * eax = 0 - success; otherwise file system error code
 1715 
  * eax = 0 - success; otherwise file system error code
1716 
Remarks:
 1716 
Remarks:
1717 
  * This function is obsolete; function 58 allows to fulfill
 1717 
  * This function is obsolete; function 58 allows to fulfill
1718 
    the same operations with the extended possibilities.
 1718 
    the same operations with the extended possibilities.
1719 
  * The current implementation returns only values 0(success) and
 1719 
  * The current implementation returns only values 0(success) and
1720 
    5(file not found).
 1720 
    5(file not found).
1721 
  * The filename must be either in the format 8+3 characters
 1721 
  * The filename must be either in the format 8+3 characters
1722 
    (first 8 characters - name itself, last 3 - extension,
 1722 
    (first 8 characters - name itself, last 3 - extension,
1723 
    the short names and extensions are supplemented with spaces),
 1723 
    the short names and extensions are supplemented with spaces),
1724 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 1724 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
1725 
    (name no more than 8 characters, dot, extension 3 characters
 1725 
    (name no more than 8 characters, dot, extension 3 characters
1726 
    supplemented if necessary by spaces).
 1726 
    supplemented if necessary by spaces).
1727 
    The filename must be written with capital letters. The terminating
 1727 
    The filename must be written with capital letters. The terminating
1728 
    character with code 0 is not necessary (not ASCIIZ-string).
 1728 
    character with code 0 is not necessary (not ASCIIZ-string).
1729 
  * This function does not support folders on the ramdisk.
 1729 
  * This function does not support folders on the ramdisk.
1730 
 
 1730 
 
1731 
======================================================================
 1731 
======================================================================
1732 
================ Function 33 - write file to ramdisk. ================
 1732 
================ Function 33 - write file to ramdisk. ================
1733 
======================================================================
 1733 
======================================================================
1734 
Parameters:
 1734 
Parameters:
1735 
  * eax = 33 - function number
 1735 
  * eax = 33 - function number
1736 
  * ebx = pointer to the filename
 1736 
  * ebx = pointer to the filename
1737 
  * ecx = pointer to data for writing
 1737 
  * ecx = pointer to data for writing
1738 
  * edx = number of bytes for writing
 1738 
  * edx = number of bytes for writing
1739 
  * should be set esi=0
 1739 
  * should be set esi=0
1740 
Returned value:
 1740 
Returned value:
1741 
  * eax = 0 - success, otherwise file system error code
 1741 
  * eax = 0 - success, otherwise file system error code
1742 
Remarks:
 1742 
Remarks:
1743 
  * This function is obsolete; function 70 allows to fulfil
 1743 
  * This function is obsolete; function 70 allows to fulfil
1744 
    the same operations with extended possibilities.
 1744 
    the same operations with extended possibilities.
1745 
  * If esi contains non-zero value and selected file already exists,
 1745 
  * If esi contains non-zero value and selected file already exists,
1746 
    one more file with the same name will be created.
 1746 
    one more file with the same name will be created.
1747 
  * Otherwise file will be overwritten.
 1747 
  * Otherwise file will be overwritten.
1748 
  * The filename must be either in the format 8+3 characters
 1748 
  * The filename must be either in the format 8+3 characters
1749 
    (first 8 characters - name itself, last 3 - extension,
 1749 
    (first 8 characters - name itself, last 3 - extension,
1750 
    the short names and extensions are supplemented with spaces),
 1750 
    the short names and extensions are supplemented with spaces),
1751 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
 1751 
    or in the format 8.3 characters "FILE.EXT"/"FILE.EX "
1752 
    (name no more than 8 characters, dot, extension 3 characters
 1752 
    (name no more than 8 characters, dot, extension 3 characters
1753 
    supplemented if necessary by spaces).
 1753 
    supplemented if necessary by spaces).
1754 
    The filename must be written with capital letters. The terminating
 1754 
    The filename must be written with capital letters. The terminating
1755 
    character with code 0 is not necessary (not ASCIIZ-string).
 1755 
    character with code 0 is not necessary (not ASCIIZ-string).
1756 
  * This function does not support folders on the ramdisk.
 1756 
  * This function does not support folders on the ramdisk.
1757 
 
 1757 
 
1758 
======================================================================
 1758 
======================================================================
1759 
======= Function 35 - read the color of a pixel on the screen. =======
 1759 
======= Function 35 - read the color of a pixel on the screen. =======
1760 
======================================================================
 1760 
======================================================================
1761 
Parameters:
 1761 
Parameters:
1762 
  * eax = 35
 1762 
  * eax = 35
1763 
  * ebx = y*xsize+x, where
 1763 
  * ebx = y*xsize+x, where
1764 
  * (x,y) = coordinates of a pixel (beginning from 0)
 1764 
  * (x,y) = coordinates of a pixel (beginning from 0)
1765 
  * xsize = horizontal screen size
 1765 
  * xsize = horizontal screen size
1766 
Returned value:
 1766 
Returned value:
1767 
  * eax = color 0x00RRGGBB
 1767 
  * eax = color 0x00RRGGBB
1768 
Remarks:
 1768 
Remarks:
1769 
  * To get screen sizes use function 14. Pay attention,
 1769 
  * To get screen sizes use function 14. Pay attention,
1770 
    that it subtracts 1 from both sizes.
 1770 
    that it subtracts 1 from both sizes.
1771 
  * There is also direct access (without any system calls)
 1771 
  * There is also direct access (without any system calls)
1772 
    to videomemory through the selector gs. To get parameters of
 1772 
    to videomemory through the selector gs. To get parameters of
1773 
    the current videomode, use function 61.
 1773 
    the current videomode, use function 61.
1774 
 
 1774 
 
1775 
======================================================================
 1775 
======================================================================
1776 
========= Function 37 - get coordinates/status of the mouse. =========
 1776 
========= Function 37 - get coordinates/status of the mouse. =========
1777 
======================================================================
 1777 
======================================================================
1778 
 
 1778 
 
1779 
---------- Subfunction 0 - screen coordinates of the mouse -----------
 1779 
---------- Subfunction 0 - screen coordinates of the mouse -----------
1780 
Parameters:
 1780 
Parameters:
1781 
  * eax = 37 - function number
 1781 
  * eax = 37 - function number
1782 
  * ebx = 0 - subfunction number
 1782 
  * ebx = 0 - subfunction number
1783 
Returned value:
 1783 
Returned value:
1784 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
 1784 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
1785 
    (beginning from 0)
 1785 
    (beginning from 0)
1786 
 
 1786 
 
1787 
-- Subfunction 1 - coordinates of the mouse relative to the window ---
 1787 
-- Subfunction 1 - coordinates of the mouse relative to the window ---
1788 
Parameters:
 1788 
Parameters:
1789 
  * eax = 37 - function number
 1789 
  * eax = 37 - function number
1790 
  * ebx = 1 - subfunction number
 1790 
  * ebx = 1 - subfunction number
1791 
Returned value:
 1791 
Returned value:
1792 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
 1792 
  * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer
1793 
    relative to the application window (beginning from 0)
 1793 
    relative to the application window (beginning from 0)
1794 
Remarks:
 1794 
Remarks:
1795 
  * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd).
 1795 
  * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd).
1796 
    If y>=ywnd, the low word is non-negative and contains
 1796 
    If y>=ywnd, the low word is non-negative and contains
1797 
    relative y-coordinate, and the high word - relative x-coordinate
 1797 
    relative y-coordinate, and the high word - relative x-coordinate
1798 
    (with correct sign). Otherwise the low word is negative and still
 1798 
    (with correct sign). Otherwise the low word is negative and still
1799 
    contains relative y-coordinate, and to the high word
 1799 
    contains relative y-coordinate, and to the high word
1800 
    1 should be added.
 1800 
    1 should be added.
1801 
 
 1801 
 
1802 
------------ Subfunction 2 - pressed buttons of the mouse ------------
 1802 
------------ Subfunction 2 - pressed buttons of the mouse ------------
1803 
Parameters:
 1803 
Parameters:
1804 
  * eax = 37 - function number
 1804 
  * eax = 37 - function number
1805 
  * ebx = 2 - subfunction number
 1805 
  * ebx = 2 - subfunction number
1806 
Returned value:
 1806 
Returned value:
1807 
  * eax contains information on the pressed mouse buttons:
 1807 
  * eax contains information on the pressed mouse buttons:
1808 
  * bit 0 is set = left button is pressed
 1808 
  * bit 0 is set = left button is pressed
1809 
  * bit 1 is set = right button is pressed
 1809 
  * bit 1 is set = right button is pressed
1810 
  * other bits are cleared
 1810 
  * other bits are cleared
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 0..0xff, and if
 2030 
  * At booting the system reserves for itself ports 0..0xff, and if
2031 
    COM-mouse is detected - additionally range of COM-ports
 2031 
    COM-mouse is detected - additionally range of COM-ports
2032 
    0x3f0..0x3ff and/or 0x2f0..0x2ff.
 2032 
    0x3f0..0x3ff and/or 0x2f0..0x2ff.
2033 
  * When a thread terminates, all reserved by it ports
 2033 
  * When a thread terminates, all reserved by it ports
2034 
    are freed automatically.
 2034 
    are freed automatically.
2035 
 
 2035 
 
2036 
======================================================================
 2036 
======================================================================
2037 
============= Function 47 - draw a number in the window. =============
 2037 
============= Function 47 - draw a number in the window. =============
2038 
======================================================================
 2038 
======================================================================
2039 
Parameters:
 2039 
Parameters:
2040 
  * eax = 47 - function number
 2040 
  * eax = 47 - function number
2041 
  * ebx = parameters of conversion number to text:
 2041 
  * ebx = parameters of conversion number to text:
2042 
    * bl = 0 - ecx contains number
 2042 
    * bl = 0 - ecx contains number
2043 
    * bl = 1 - ecx contains pointer to dword-number
 2043 
    * bl = 1 - ecx contains pointer to dword-number
2044 
    * bh = 0 - display in decimal number system
 2044 
    * bh = 0 - display in decimal number system
2045 
    * bh = 1 - display in hexadecimal system
 2045 
    * bh = 1 - display in hexadecimal system
2046 
    * bh = 2 - display in binary system
 2046 
    * bh = 2 - display in binary system
2047 
    * áèòû 16-21 = how many digits to display
 2047 
    * áèòû 16-21 = how many digits to display
2048 
    * áèòû 22-31 reserved and must be set to 0
 2048 
    * áèòû 22-31 reserved and must be set to 0
2049 
  * ecx = number (if bl=0) or pointer (if bl=1)
 2049 
  * ecx = number (if bl=0) or pointer (if bl=1)
2050 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
 2050 
  * edx = [coordinate on axis x]*65536 + [coordinate on axis y]
2051 
  * esi = 0xX0RRGGBB:
 2051 
  * esi = 0xX0RRGGBB:
2052 
    * RR, GG, BB specify the color
 2052 
    * RR, GG, BB specify the color
2053 
    * X = ABnn (bits)
 2053 
    * X = ABnn (bits)
2054 
    * nn = font (0/1)
 2054 
    * nn = font (0/1)
2055 
    * A is ignored
 2055 
    * A is ignored
2056 
    * B=1 - fill background with the color edi
 2056 
    * B=1 - fill background with the color edi
2057 
Returned value:
 2057 
Returned value:
2058 
  * function does not return value
 2058 
  * function does not return value
2059 
Remarks:
 2059 
Remarks:
2060 
  * The given length must not exceed 60.
 2060 
  * The given length must not exceed 60.
2061 
  * The exactly given amount of digits is output. If number is small
 2061 
  * The exactly given amount of digits is output. If number is small
2062 
    and can be written by smaller amount of digits, it is supplemented
 2062 
    and can be written by smaller amount of digits, it is supplemented
2063 
    by leading zeroes; if the number is big and can not be written by
 2063 
    by leading zeroes; if the number is big and can not be written by
2064 
    given amount of digits, extra digits are not drawn.
 2064 
    given amount of digits, extra digits are not drawn.
2065 
  * Parameters of fonts are shown in the description of function 4
 2065 
  * Parameters of fonts are shown in the description of function 4
2066 
    (text output).
 2066 
    (text output).
2067 
 
 2067 
 
2068 
======================================================================
 2068 
======================================================================
2069 
========= Function 48, subfunction 0 - apply screen settings. ========
 2069 
========= Function 48, subfunction 0 - apply screen settings. ========
2070 
======================================================================
 2070 
======================================================================
2071 
Parameters:
 2071 
Parameters:
2072 
  * eax = 48 - function number
 2072 
  * eax = 48 - function number
2073 
  * ebx = 0 - subfunction number
 2073 
  * ebx = 0 - subfunction number
2074 
  * ecx = 0 - reserved
 2074 
  * ecx = 0 - reserved
2075 
Returned value:
 2075 
Returned value:
2076 
  * function does not return value
 2076 
  * function does not return value
2077 
Remarks:
 2077 
Remarks:
2078 
  * Function redraws the screen after parameters change by
 2078 
  * Function redraws the screen after parameters change by
2079 
    subfunctions 1 and 2.
 2079 
    subfunctions 1 and 2.
2080 
  * Function call without prior call to one of indicated subfunctions
 2080 
  * Function call without prior call to one of indicated subfunctions
2081 
    is ignored.
 2081 
    is ignored.
2082 
  * Function call with nonzero ecx is ignored.
 2082 
  * Function call with nonzero ecx is ignored.
2083 
 
 2083 
 
2084 
======================================================================
 2084 
======================================================================
2085 
=========== Function 48, subfunction 1 - set button style. ===========
 2085 
=========== Function 48, subfunction 1 - set button style. ===========
2086 
======================================================================
 2086 
======================================================================
2087 
Parameters:
 2087 
Parameters:
2088 
  * eax = 48 - function number
 2088 
  * eax = 48 - function number
2089 
  * ebx = 1 - subfunction number
 2089 
  * ebx = 1 - subfunction number
2090 
  * ecx = button style:
 2090 
  * ecx = button style:
2091 
    * 0 = flat
 2091 
    * 0 = flat
2092 
    * 1 = 3d
 2092 
    * 1 = 3d
2093 
Returned value:
 2093 
Returned value:
2094 
  * function does not return value
 2094 
  * function does not return value
2095 
Remarks:
 2095 
Remarks:
2096 
  * After call to this function one should redraw the screen by
 2096 
  * After call to this function one should redraw the screen by
2097 
    subfunction 0.
 2097 
    subfunction 0.
2098 
  * Button style influences only to their draw of function 8.
 2098 
  * Button style influences only to their draw of function 8.
2099 
 
 2099 
 
2100 
======================================================================
 2100 
======================================================================
2101 
====== Function 48, subfunction 2 - set standard window colors. ======
 2101 
====== Function 48, subfunction 2 - set standard window colors. ======
2102 
======================================================================
 2102 
======================================================================
2103 
Parameters:
 2103 
Parameters:
2104 
  * eax = 48 - function number
 2104 
  * eax = 48 - function number
2105 
  * ebx = 2 - subfunction number
 2105 
  * ebx = 2 - subfunction number
2106 
  * ecx = pointer to the color table
 2106 
  * ecx = pointer to the color table
2107 
  * edx = size of the color table
 2107 
  * edx = size of the color table
2108 
    (must be 40 bytes for future compatibility)
 2108 
    (must be 40 bytes for future compatibility)
2109 
Format of the color table is shown in description of subfunction 3.
 2109 
Format of the color table is shown in description of subfunction 3.
2110 
Returned value:
 2110 
Returned value:
2111 
  * function does not return value
 2111 
  * function does not return value
2112 
Remarks:
 2112 
Remarks:
2113 
  * After call to this function one should redraw the screen by
 2113 
  * After call to this function one should redraw the screen by
2114 
    subfunction 0.
 2114 
    subfunction 0.
2115 
  * Table of standard colors influences only to applications,
 2115 
  * Table of standard colors influences only to applications,
2116 
    which receive this table obviously (by subfunction 3)
 2116 
    which receive this table obviously (by subfunction 3)
2117 
    and use it (specifying colors from it to drawing functions).
 2117 
    and use it (specifying colors from it to drawing functions).
2118 
  * Table of standard colors is included in skin and is installed
 2118 
  * Table of standard colors is included in skin and is installed
2119 
    anew with skin installation (by subfunction 8).
 2119 
    anew with skin installation (by subfunction 8).
2120 
  * Color table can be viewed/changed interactively with
 2120 
  * Color table can be viewed/changed interactively with
2121 
    the application 'desktop'.
 2121 
    the application 'desktop'.
2122 
 
 2122 
 
2123 
======================================================================
 2123 
======================================================================
2124 
====== Function 48, subfunction 3 - get standard window colors. ======
 2124 
====== Function 48, subfunction 3 - get standard window colors. ======
2125 
======================================================================
 2125 
======================================================================
2126 
Parameters:
 2126 
Parameters:
2127 
  * eax = 48 - function number
 2127 
  * eax = 48 - function number
2128 
  * ebx = 3 - subfunction number
 2128 
  * ebx = 3 - subfunction number
2129 
  * ecx = pointer to the buffer with size edx bytes,
 2129 
  * ecx = pointer to the buffer with size edx bytes,
2130 
    where table will be written
 2130 
    where table will be written
2131 
  * edx = size of color table
 2131 
  * edx = size of color table
2132 
    (must be 40 bytes for future compatibility)
 2132 
    (must be 40 bytes for future compatibility)
2133 
Returned value:
 2133 
Returned value:
2134 
  * function does not return value
 2134 
  * function does not return value
2135 
Format of the color table:
 2135 
Format of the color table:
2136 
each item is dword-value for color 0x00RRGGBB
 2136 
each item is dword-value for color 0x00RRGGBB
2137 
  * +0: dword: frames - color of frame
 2137 
  * +0: dword: frames - color of frame
2138 
  * +4: dword: grab - color of header
 2138 
  * +4: dword: grab - color of header
2139 
  * +8: dword: grab_button - color of button on header bar
 2139 
  * +8: dword: grab_button - color of button on header bar
2140 
  * +12 = +0xC: dword: grab_button_text - color of text on button
 2140 
  * +12 = +0xC: dword: grab_button_text - color of text on button
2141 
    on header bar
 2141 
    on header bar
2142 
  * +16 = +0x10: dword: grab_text - color of text on header
 2142 
  * +16 = +0x10: dword: grab_text - color of text on header
2143 
  * +20 = +0x14: dword: work - color of working area
 2143 
  * +20 = +0x14: dword: work - color of working area
2144 
  * +24 = +0x18: dword: work_button - color of button in working area
 2144 
  * +24 = +0x18: dword: work_button - color of button in working area
2145 
  * +28 = +0x1C: dword: work_button_text - color of text on button
 2145 
  * +28 = +0x1C: dword: work_button_text - color of text on button
2146 
    in working area
 2146 
    in working area
2147 
  * +32 = +0x20: dword: work_text - color of text in working area
 2147 
  * +32 = +0x20: dword: work_text - color of text in working area
2148 
  * +36 = +0x24: dword: work_graph - color of graphics in working area
 2148 
  * +36 = +0x24: dword: work_graph - color of graphics in working area
2149 
Remarks:
 2149 
Remarks:
2150 
  * Structure of the color table is described in the standard
 2150 
  * Structure of the color table is described in the standard
2151 
    include file 'macros.inc' as 'system_colors'; for example,
 2151 
    include file 'macros.inc' as 'system_colors'; for example,
2152 
    it is possible to write:
 2152 
    it is possible to write:
2153 
    	sc	system_colors		; variable declaration
 2153 
    	sc	system_colors		; variable declaration
2154 
    	...				; somewhere one must call
 2154 
    	...				; somewhere one must call
2155 
    					; this function with ecx=sc
 2155 
    					; this function with ecx=sc
2156 
    	mov	ecx, [sc.work_button_text]	; read text color on
 2156 
    	mov	ecx, [sc.work_button_text]	; read text color on
2157 
    					; buttin in working area
 2157 
    					; buttin in working area
2158 
  * A program itself desides to use or not to use color table.
 2158 
  * A program itself desides to use or not to use color table.
2159 
    For usage program must simply at calls to drawing functions select
 2159 
    For usage program must simply at calls to drawing functions select
2160 
    color taken from the table.
 2160 
    color taken from the table.
2161 
  * At change of the table of standard colors (by subfunction 2 with
 2161 
  * At change of the table of standard colors (by subfunction 2 with
2162 
    the subsequent application of changes by subfunction 0 or
 2162 
    the subsequent application of changes by subfunction 0 or
2163 
    at skin set by subfunction 8) the system sends to all windows
 2163 
    at skin set by subfunction 8) the system sends to all windows
2164 
    redraw message (the event with code 1).
 2164 
    redraw message (the event with code 1).
2165 
  * Color table can be viewed/changed interactively with
 2165 
  * Color table can be viewed/changed interactively with
2166 
    the application 'desktop'.
 2166 
    the application 'desktop'.
2167 
 
 2167 
 
2168 
======================================================================
 2168 
======================================================================
2169 
============ Function 48, subfunction 4 - get skin height. ===========
 2169 
============ Function 48, subfunction 4 - get skin height. ===========
2170 
======================================================================
 2170 
======================================================================
2171 
Parameters:
 2171 
Parameters:
2172 
  * eax = 48 - function number
 2172 
  * eax = 48 - function number
2173 
  * ebx = 4 - subfunction number
 2173 
  * ebx = 4 - subfunction number
2174 
Returned value:
 2174 
Returned value:
2175 
  * eax = skin height
 2175 
  * eax = skin height
2176 
Remarks:
 2176 
Remarks:
2177 
  * Skin height is defined as the height of a header
 2177 
  * Skin height is defined as the height of a header
2178 
    of skinned windows.
 2178 
    of skinned windows.
2179 
  * See also general structure of window in the description
 2179 
  * See also general structure of window in the description
2180 
    of function 0.
 2180 
    of function 0.
2181 
 
 2181 
 
2182 
======================================================================
 2182 
======================================================================
2183 
======== Function 48, subfunction 5 - get screen working area. =======
 2183 
======== Function 48, subfunction 5 - get screen working area. =======
2184 
======================================================================
 2184 
======================================================================
2185 
Parameters:
 2185 
Parameters:
2186 
  * eax = 48 - function number
 2186 
  * eax = 48 - function number
2187 
  * ebx = 5 - subfunction number
 2187 
  * ebx = 5 - subfunction number
2188 
Returned value:
 2188 
Returned value:
2189 
  * eax = [left]*65536 + [right]
 2189 
  * eax = [left]*65536 + [right]
2190 
  * ebx = [top]*65536 + [bottom]
 2190 
  * ebx = [top]*65536 + [bottom]
2191 
Remarks:
 2191 
Remarks:
2192 
  * The screen working area defines position and coordinates of
 2192 
  * The screen working area defines position and coordinates of
2193 
    a maximized window.
 2193 
    a maximized window.
2194 
  * The screen working area in view of normal work is all screen
 2194 
  * The screen working area in view of normal work is all screen
2195 
    without system panel (the application '@panel').
 2195 
    without system panel (the application '@panel').
2196 
  * (left,top) are coordinates of the left upper corner,
 2196 
  * (left,top) are coordinates of the left upper corner,
2197 
    (right,bottom) are coordinates of the right lower one.
 2197 
    (right,bottom) are coordinates of the right lower one.
2198 
    Thus the size of working area on x axis can be calculated by
 2198 
    Thus the size of working area on x axis can be calculated by
2199 
    formula right-left+1, on y axis - by formula bottom-right+1.
 2199 
    formula right-left+1, on y axis - by formula bottom-right+1.
2200 
  * See also function 14,
 2200 
  * See also function 14,
2201 
    to get sizes of all screen.
 2201 
    to get sizes of all screen.
2202 
  * There is a pair function to set working area - subfunction 6.
 2202 
  * There is a pair function to set working area - subfunction 6.
2203 
 
 2203 
 
2204 
======================================================================
 2204 
======================================================================
2205 
======== Function 48, subfunction 6 - set screen working area. =======
 2205 
======== Function 48, subfunction 6 - set screen working area. =======
2206 
======================================================================
 2206 
======================================================================
2207 
Parameters:
 2207 
Parameters:
2208 
  * eax = 48 - function number
 2208 
  * eax = 48 - function number
2209 
  * ebx = 6 - subfunction number
 2209 
  * ebx = 6 - subfunction number
2210 
  * ecx = [left]*65536 + [right]
 2210 
  * ecx = [left]*65536 + [right]
2211 
  * edx = [top]*65536 + [bottom]
 2211 
  * edx = [top]*65536 + [bottom]
2212 
Returned value:
 2212 
Returned value:
2213 
  * function does not return value
 2213 
  * function does not return value
2214 
Remarks:
 2214 
Remarks:
2215 
  * The screen working area defines position and coordinates of
 2215 
  * The screen working area defines position and coordinates of
2216 
    a maximized window.
 2216 
    a maximized window.
2217 
  * This function is used only by the application '@panel',
 2217 
  * This function is used only by the application '@panel',
2218 
    which set working area to all screen without system panel.
 2218 
    which set working area to all screen without system panel.
2219 
  * (left,top) are coordinates of the left upper corner,
 2219 
  * (left,top) are coordinates of the left upper corner,
2220 
    (right,bottom) are coordinates of the right lower one.
 2220 
    (right,bottom) are coordinates of the right lower one.
2221 
    Thus the size of working area on x axis can be calculated by
 2221 
    Thus the size of working area on x axis can be calculated by
2222 
    formula right-left+1, on y axis - by formula bottom-right+1.
 2222 
    formula right-left+1, on y axis - by formula bottom-right+1.
2223 
  * If 'left'>='right', x-coordinate of working area is not changed.
 2223 
  * If 'left'>='right', x-coordinate of working area is not changed.
2224 
    If 'left'<0, 'left' will not be set. If 'right' is greater than or
 2224 
    If 'left'<0, 'left' will not be set. If 'right' is greater than or
2225 
    equal to screen width, 'right' will not be set.
 2225 
    equal to screen width, 'right' will not be set.
2226 
    Similarly on y axis.
 2226 
    Similarly on y axis.
2227 
  * See also function 14,
 2227 
  * See also function 14,
2228 
    to get sizes of all screen.
 2228 
    to get sizes of all screen.
2229 
  * There is a pair function to get working area - subfunction 5.
 2229 
  * There is a pair function to get working area - subfunction 5.
2230 
  * This function redraws the screen automatically,
 2230 
  * This function redraws the screen automatically,
2231 
    updating coordinates and sizes of maximized windows.
 2231 
    updating coordinates and sizes of maximized windows.
2232 
    The system sends to all windows redraw message (the event 1).
 2232 
    The system sends to all windows redraw message (the event 1).
2233 
 
 2233 
 
2234 
======================================================================
 2234 
======================================================================
2235 
=========== Function 48, subfunction 7 - get skin margins. ===========
 2235 
=========== Function 48, subfunction 7 - get skin margins. ===========
2236 
======================================================================
 2236 
======================================================================
2237 
Returns the area of a header of a skinned window, intended for
 2237 
Returns the area of a header of a skinned window, intended for
2238 
a text of a header.
 2238 
a text of a header.
2239 
Parameters:
 2239 
Parameters:
2240 
  * eax = 48 - function number
 2240 
  * eax = 48 - function number
2241 
  * ebx = 7 - subfunction number
 2241 
  * ebx = 7 - subfunction number
2242 
Returned value:
 2242 
Returned value:
2243 
  * eax = [left]*65536 + [right]
 2243 
  * eax = [left]*65536 + [right]
2244 
  * ebx = [top]*65536 + [bottom]
 2244 
  * ebx = [top]*65536 + [bottom]
2245 
Remarks:
 2245 
Remarks:
2246 
  * An application decides itself to use or not to use this function.
 2246 
  * An application decides itself to use or not to use this function.
2247 
  * It is recommended to take into account returned value
 2247 
  * It is recommended to take into account returned value
2248 
    of this function for choice of a place for drawing header text
 2248 
    of this function for choice of a place for drawing header text
2249 
    (by function 4) or a substitute of header text
 2249 
    (by function 4) or a substitute of header text
2250 
    (at the discretion of an application).
 2250 
    (at the discretion of an application).
2251 
 
 2251 
 
2252 
======================================================================
 2252 
======================================================================
2253 
============= Function 48, subfunction 8 - set used skin. ============
 2253 
============= Function 48, subfunction 8 - set used skin. ============
2254 
======================================================================
 2254 
======================================================================
2255 
Parameters:
 2255 
Parameters:
2256 
  * eax = 48 - function number
 2256 
  * eax = 48 - function number
2257 
  * ebx = 8 - subfunction number
 2257 
  * ebx = 8 - subfunction number
2258 
  * ecx = pointer to a block for function 58, in
 2258 
  * ecx = pointer to a block for function 58, in
2259 
    which the fields of intermediate buffer and file name are filled
 2259 
    which the fields of intermediate buffer and file name are filled
2260 
Returned value:
 2260 
Returned value:
2261 
  * eax = 0 - success
 2261 
  * eax = 0 - success
2262 
  * otherwise eax = file system error code; if file does not
 2262 
  * otherwise eax = file system error code; if file does not
2263 
    contain valid skin, function returns error 3
 2263 
    contain valid skin, function returns error 3
2264 
    (unknown file system).
 2264 
    (unknown file system).
2265 
Remarks:
 2265 
Remarks:
2266 
  * After successful skin loading the system sends to all windows
 2266 
  * After successful skin loading the system sends to all windows
2267 
    redraw message (the event 1).
 2267 
    redraw message (the event 1).
2268 
  * At booting the system reads skin from file 'default.skn'
 2268 
  * At booting the system reads skin from file 'default.skn'
2269 
    on ramdisk.
 2269 
    on ramdisk.
2270 
  * User can change the skin statically by creating hisself
 2270 
  * User can change the skin statically by creating hisself
2271 
    'default.skn' or dynamically with the application 'desktop'.
 2271 
    'default.skn' or dynamically with the application 'desktop'.
2272 
 
 2272 
 
2273 
======================================================================
 2273 
======================================================================
2274 
=========== Function 49 - Advanced Power Management (APM). ===========
 2274 
=========== Function 49 - Advanced Power Management (APM). ===========
2275 
======================================================================
 2275 
======================================================================
2276 
Parameters:
 2276 
Parameters:
2277 
  * eax = 49 - function number
 2277 
  * eax = 49 - function number
2278 
  * dx = number of the APM function
 2278 
  * dx = number of the APM function
2279 
    (analogue of ax in APM specification)
 2279 
    (analogue of ax in APM specification)
2280 
  * bx, cx = parameters of the APM function
 2280 
  * bx, cx = parameters of the APM function
2281 
Returned value:
 2281 
Returned value:
2282 
  * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF
 2282 
  * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF
2283 
    are set according to the APM specification
 2283 
    are set according to the APM specification
2284 
  * high halves of 32-bit registers eax, ebx, ecx,
 2284 
  * high halves of 32-bit registers eax, ebx, ecx,
2285 
    edx, esi, edi are destroyed
 2285 
    edx, esi, edi are destroyed
2286 
Remarks:
 2286 
Remarks:
2287 
  * APM 1.2 specification is described in the document
 2287 
  * APM 1.2 specification is described in the document
2288 
    "Advanced Power Management (APM) BIOS Specification"
 2288 
    "Advanced Power Management (APM) BIOS Specification"
2289 
    (Revision 1.2), available at
 2289 
    (Revision 1.2), available at
2290 
    http://www.microsoft.com/whdc/archive/amp_12.mspx;
 2290 
    http://www.microsoft.com/whdc/archive/amp_12.mspx;
2291 
    besides it is included in famous Interrupt List by Ralf Brown
 2291 
    besides it is included in famous Interrupt List by Ralf Brown
2292 
    (http://www.pobox.com/~ralf/files.html,
 2292 
    (http://www.pobox.com/~ralf/files.html,
2293 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/).
 2293 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/).
2294 
 
 2294 
 
2295 
======================================================================
 2295 
======================================================================
2296 
=================== Function 50 - set window shape. ==================
 2296 
=================== Function 50 - set window shape. ==================
2297 
======================================================================
 2297 
======================================================================
2298 
Normal windows have rectangular shape. This function can give to
 2298 
Normal windows have rectangular shape. This function can give to
2299 
a window any shape. The shape is given by a set of points inside
 2299 
a window any shape. The shape is given by a set of points inside
2300 
the base rectangle belonging to a window. Position and coordinates
 2300 
the base rectangle belonging to a window. Position and coordinates
2301 
of the base rectangle are set by function 0
 2301 
of the base rectangle are set by function 0
2302 
and changed by function 67.
 2302 
and changed by function 67.
2303 
 
 2303 
 
2304 
--------------------------- Set shape data ---------------------------
 2304 
--------------------------- Set shape data ---------------------------
2305 
Parameters:
 2305 
Parameters:
2306 
  * eax = 50 - function number
 2306 
  * eax = 50 - function number
2307 
  * ebx = 0 - subfunction number
 2307 
  * ebx = 0 - subfunction number
2308 
  * ecx = pointer to shape data (array of bytes 0/1)
 2308 
  * ecx = pointer to shape data (array of bytes 0/1)
2309 
Returned value:
 2309 
Returned value:
2310 
  * function does not return value
 2310 
  * function does not return value
2311 
 
 2311 
 
2312 
-------------------------- Set shape scale ---------------------------
 2312 
-------------------------- Set shape scale ---------------------------
2313 
Parameters:
 2313 
Parameters:
2314 
  * eax = 50 - function number
 2314 
  * eax = 50 - function number
2315 
  * ebx = 1 - subfunction number
 2315 
  * ebx = 1 - subfunction number
2316 
  * ecx sets a scale: each byte of data defines
 2316 
  * ecx sets a scale: each byte of data defines
2317 
    (2^scale)*(2^scale) pixels
 2317 
    (2^scale)*(2^scale) pixels
2318 
Returned value:
 2318 
Returned value:
2319 
  * function does not return value
 2319 
  * function does not return value
2320 
Remarks:
 2320 
Remarks:
2321 
  * Default scale is 0 (scale factor is 1). If in the shape data
 2321 
  * Default scale is 0 (scale factor is 1). If in the shape data
2322 
    one byte corresponds to one pixel, there is no necessity
 2322 
    one byte corresponds to one pixel, there is no necessity
2323 
    to set scale.
 2323 
    to set scale.
2324 
  * Let's designate xsize = window width (in pixels), ysize = height;
 2324 
  * Let's designate xsize = window width (in pixels), ysize = height;
2325 
    pay attention, that they are one pixel more than defined by
 2325 
    pay attention, that they are one pixel more than defined by
2326 
    functions 0, 67.
 2326 
    functions 0, 67.
2327 
  * On definition of scale xsize and ysize must be divisible
 2327 
  * On definition of scale xsize and ysize must be divisible
2328 
    on 2^scale.
 2328 
    on 2^scale.
2329 
  * Byte of data on offset 'a' must be 0/1 and defines belonging
 2329 
  * Byte of data on offset 'a' must be 0/1 and defines belonging
2330 
    to a window of square with the side 2^scale (if scale=0,
 2330 
    to a window of square with the side 2^scale (if scale=0,
2331 
    this is one pixel) and coordinates of the left upper corner
 2331 
    this is one pixel) and coordinates of the left upper corner
2332 
    (a mod (xsize shr scale), a div (xsize shr scale))
 2332 
    (a mod (xsize shr scale), a div (xsize shr scale))
2333 
  * Data size: (xsize shr scale)*(ysize shr scale).
 2333 
  * Data size: (xsize shr scale)*(ysize shr scale).
2334 
  * Data must be presented in the memory and not change
 2334 
  * Data must be presented in the memory and not change
2335 
    after set of shape.
 2335 
    after set of shape.
2336 
  * The system views the shape data at every window redraw by
 2336 
  * The system views the shape data at every window redraw by
2337 
    function 0.
 2337 
    function 0.
2338 
  * The call of subfunction 0 with NULL pointer results in return
 2338 
  * The call of subfunction 0 with NULL pointer results in return
2339 
    to the rectangular shape.
 2339 
    to the rectangular shape.
2340 
 
 2340 
 
2341 
======================================================================
 2341 
======================================================================
2342 
==================== Function 51 - create thread. ====================
 2342 
==================== Function 51 - create thread. ====================
2343 
======================================================================
 2343 
======================================================================
2344 
Parameters:
 2344 
Parameters:
2345 
  * eax = 51 - function number
 2345 
  * eax = 51 - function number
2346 
  * ebx = 1 - unique subfunction
 2346 
  * ebx = 1 - unique subfunction
2347 
  * ecx = address of thread entry point (starting eip)
 2347 
  * ecx = address of thread entry point (starting eip)
2348 
  * edx = pointer to thread stack (starting esp)
 2348 
  * edx = pointer to thread stack (starting esp)
2349 
Returned value:
 2349 
Returned value:
2350 
  * eax = -1 - error (there is too many threads)
 2350 
  * eax = -1 - error (there is too many threads)
2351 
  * otherwise eax = TID - thread identifier
 2351 
  * otherwise eax = TID - thread identifier
2352
2352
2353 
 
 2353 
 
2354 
======================================================================
 2354 
======================================================================
2355 
=== Function 52, subfunction 0 - get network driver configuration. ===
 2355 
=== Function 52, subfunction 0 - get network driver configuration. ===
2356 
======================================================================
 2356 
======================================================================
2357 
Parameters:
 2357 
Parameters:
2358 
  * eax = 52 - function number
 2358 
  * eax = 52 - function number
2359 
  * ebx = 0 - subfunction number
 2359 
  * ebx = 0 - subfunction number
2360 
Returned value:
 2360 
Returned value:
2361 
  * eax = configuration dword
 2361 
  * eax = configuration dword
2362 
Remarks:
 2362 
Remarks:
2363 
  * Configuration dword can be set by subfunction 2.
 2363 
  * Configuration dword can be set by subfunction 2.
2364 
  * The kernel does not use this variable. The value of this
 2364 
  * The kernel does not use this variable. The value of this
2365 
    variable and working with it subfunctions 0 and 2 is represented
 2365 
    variable and working with it subfunctions 0 and 2 is represented
2366 
    doubtful.
 2366 
    doubtful.
2367 
 
 2367 
 
2368 
======================================================================
 2368 
======================================================================
2369 
========= Function 52, subfunction 1 - get local IP-address. =========
 2369 
========= Function 52, subfunction 1 - get local IP-address. =========
2370 
======================================================================
 2370 
======================================================================
2371 
Parameters:
 2371 
Parameters:
2372 
  * eax = 52 - function number
 2372 
  * eax = 52 - function number
2373 
  * ebx = 1 - subfunction number
 2373 
  * ebx = 1 - subfunction number
2374 
Returned value:
 2374 
Returned value:
2375 
  * eax = IP-address (4 bytes)
 2375 
  * eax = IP-address (4 bytes)
2376 
Remarks:
 2376 
Remarks:
2377 
  * Local IP-address is set by subfunction 3.
 2377 
  * Local IP-address is set by subfunction 3.
2378 
 
 2378 
 
2379 
======================================================================
 2379 
======================================================================
2380 
=== Function 52, subfunction 2 - set network driver configuration. ===
 2380 
=== Function 52, subfunction 2 - set network driver configuration. ===
2381 
======================================================================
 2381 
======================================================================
2382 
Parameters:
 2382 
Parameters:
2383 
  * eax = 52 - function number
 2383 
  * eax = 52 - function number
2384 
  * ebx = 2 - subfunction number
 2384 
  * ebx = 2 - subfunction number
2385 
  * ecx = configuration dword; if low 7 bits derivate the number 3,
 2385 
  * ecx = configuration dword; if low 7 bits derivate the number 3,
2386 
    function [re-]initializes Ethernet-card, otherwise
 2386 
    function [re-]initializes Ethernet-card, otherwise
2387 
    Ethernet turns off
 2387 
    Ethernet turns off
2388 
Returned value:
 2388 
Returned value:
2389 
  * if Ethernet-interface is not requested, function returns eax=2,
 2389 
  * if Ethernet-interface is not requested, function returns eax=2,
2390 
    but this can be changed in future kernel versions
 2390 
    but this can be changed in future kernel versions
2391 
  * if Ethernet-interface is requested, eax=0 means error
 2391 
  * if Ethernet-interface is requested, eax=0 means error
2392 
    (absence of Ethernet-card), and nonzero value - success
 2392 
    (absence of Ethernet-card), and nonzero value - success
2393 
Remarks:
 2393 
Remarks:
2394 
  * Configuration dword can be read by subfunction 0.
 2394 
  * Configuration dword can be read by subfunction 0.
2395 
  * The kernel does not use this variable. The value of this
 2395 
  * The kernel does not use this variable. The value of this
2396 
    variable, subfunction 0 and part of subfunction 2, which set it,
 2396 
    variable, subfunction 0 and part of subfunction 2, which set it,
2397 
    is represented doubtful.
 2397 
    is represented doubtful.
2398 
 
 2398 
 
2399 
======================================================================
 2399 
======================================================================
2400 
========= Function 52, subfunction 3 - set local IP-address. =========
 2400 
========= Function 52, subfunction 3 - set local IP-address. =========
2401 
======================================================================
 2401 
======================================================================
2402 
Parameters:
 2402 
Parameters:
2403 
  * eax = 52 - function number
 2403 
  * eax = 52 - function number
2404 
  * ebx = 3 - subfunction number
 2404 
  * ebx = 3 - subfunction number
2405 
  * ecx = IP-address (4 bytes)
 2405 
  * ecx = IP-address (4 bytes)
2406 
Returned value:
 2406 
Returned value:
2407 
  * the current implementation returns eax=3, but this can be changed
 2407 
  * the current implementation returns eax=3, but this can be changed
2408 
    in future versions
 2408 
    in future versions
2409 
Remarks:
 2409 
Remarks:
2410 
  * Local IP-address can be get by subfunction 1.
 2410 
  * Local IP-address can be get by subfunction 1.
2411 
 
 2411 
 
2412 
======================================================================
 2412 
======================================================================
2413 
= Function 52, subfunction 6 - add data to the stack of input queue. =
 2413 
= Function 52, subfunction 6 - add data to the stack of input queue. =
2414 
======================================================================
 2414 
======================================================================
2415 
Parameters:
 2415 
Parameters:
2416 
  * eax = 52 - function number
 2416 
  * eax = 52 - function number
2417 
  * ebx = 6 - subfunction number
 2417 
  * ebx = 6 - subfunction number
2418 
  * edx = data size
 2418 
  * edx = data size
2419 
  * esi = data pointer
 2419 
  * esi = data pointer
2420 
Returned value:
 2420 
Returned value:
2421 
  * eax = -1 - error
 2421 
  * eax = -1 - error
2422 
  * eax = 0 - success
 2422 
  * eax = 0 - success
2423 
Remarks:
 2423 
Remarks:
2424 
  * This function is intended only for slow network drivers
 2424 
  * This function is intended only for slow network drivers
2425 
    (PPP, SLIP).
 2425 
    (PPP, SLIP).
2426 
  * Data size must not exceed 1500 bytes, though function
 2426 
  * Data size must not exceed 1500 bytes, though function
2427 
    performs no checks on correctness.
 2427 
    performs no checks on correctness.
2428 
 
 2428 
 
2429 
======================================================================
 2429 
======================================================================
2430 
 Function 52, subfunction 8 - read data from the network output queue.
2430 
 Function 52, subfunction 8 - read data from the network output queue.
2431 
======================================================================
 2431 
======================================================================
2432 
Parameters:
 2432 
Parameters:
2433 
  * eax = 52 - function number
 2433 
  * eax = 52 - function number
2434 
  * ebx = 8 - subfunction number
 2434 
  * ebx = 8 - subfunction number
2435 
  * esi = pointer to 1500-byte buffer
 2435 
  * esi = pointer to 1500-byte buffer
2436 
Returned value:
 2436 
Returned value:
2437 
  * eax = number of read bytes (in the current implementation
 2437 
  * eax = number of read bytes (in the current implementation
2438 
    either 0 = no data or 1500)
 2438 
    either 0 = no data or 1500)
2439 
  * data was copied in buffer
 2439 
  * data was copied in buffer
2440 
Remarks:
 2440 
Remarks:
2441 
  * This function is intended only for slow network drivers
 2441 
  * This function is intended only for slow network drivers
2442 
    (PPP, SLIP).
 2442 
    (PPP, SLIP).
2443 
 
 2443 
 
2444 
======================================================================
 2444 
======================================================================
2445 
============ Function 52, subfunction 9 - get gateway IP. ============
 2445 
============ Function 52, subfunction 9 - get gateway IP. ============
2446 
======================================================================
 2446 
======================================================================
2447 
Parameters:
 2447 
Parameters:
2448 
  * eax = 52 - function number
 2448 
  * eax = 52 - function number
2449 
  * ebx = 9 - subfunction number
 2449 
  * ebx = 9 - subfunction number
2450 
Returned value:
 2450 
Returned value:
2451 
  * eax = gateway IP (4 bytes)
 2451 
  * eax = gateway IP (4 bytes)
2452 
 
 2452 
 
2453 
======================================================================
 2453 
======================================================================
2454 
=========== Function 52, subfunction 10 - get subnet mask. ===========
 2454 
=========== Function 52, subfunction 10 - get subnet mask. ===========
2455 
======================================================================
 2455 
======================================================================
2456 
Parameters:
 2456 
Parameters:
2457 
  * eax = 52 - function number
 2457 
  * eax = 52 - function number
2458 
  * ebx = 10 - subfunction number
 2458 
  * ebx = 10 - subfunction number
2459 
Returned value:
 2459 
Returned value:
2460 
  * eax = subnet mask
 2460 
  * eax = subnet mask
2461 
 
 2461 
 
2462 
======================================================================
 2462 
======================================================================
2463 
============ Function 52, subfunction 11 - set gateway IP. ===========
 2463 
============ Function 52, subfunction 11 - set gateway IP. ===========
2464 
======================================================================
 2464 
======================================================================
2465 
Parameters:
 2465 
Parameters:
2466 
  * eax = 52 - function number
 2466 
  * eax = 52 - function number
2467 
  * ebx = 11 - subfunction number
 2467 
  * ebx = 11 - subfunction number
2468 
  * ecx = gateway IP (4 bytes)
 2468 
  * ecx = gateway IP (4 bytes)
2469 
Returned value:
 2469 
Returned value:
2470 
  * the current implementation returns eax=11, but this can be changed
 2470 
  * the current implementation returns eax=11, but this can be changed
2471 
    in future versions
 2471 
    in future versions
2472 
 
 2472 
 
2473 
======================================================================
 2473 
======================================================================
2474 
=========== Function 52, subfunction 12 - set subnet mask. ===========
 2474 
=========== Function 52, subfunction 12 - set subnet mask. ===========
2475 
======================================================================
 2475 
======================================================================
2476 
Parameters:
 2476 
Parameters:
2477 
  * eax = 52 - function number
 2477 
  * eax = 52 - function number
2478 
  * ebx = 12 - subfunction number
 2478 
  * ebx = 12 - subfunction number
2479 
  * ecx = subnet mask
 2479 
  * ecx = subnet mask
2480 
Returned value:
 2480 
Returned value:
2481 
  * the current implementation returns eax=12, but this can be changed
 2481 
  * the current implementation returns eax=12, but this can be changed
2482 
    in future versions
 2482 
    in future versions
2483 
 
 2483 
 
2484 
======================================================================
 2484 
======================================================================
2485 
============== Function 52, subfunction 13 - get DNS IP. =============
 2485 
============== Function 52, subfunction 13 - get DNS IP. =============
2486 
======================================================================
 2486 
======================================================================
2487 
Parameters:
 2487 
Parameters:
2488 
  * eax = 52 - function number
 2488 
  * eax = 52 - function number
2489 
  * ebx = 13 - subfunction number
 2489 
  * ebx = 13 - subfunction number
2490 
Returned value:
 2490 
Returned value:
2491 
  * eax = DNS IP (4 bytes)
 2491 
  * eax = DNS IP (4 bytes)
2492 
 
 2492 
 
2493 
======================================================================
 2493 
======================================================================
2494 
============== Function 52, subfunction 14 - set DNS IP. =============
 2494 
============== Function 52, subfunction 14 - set DNS IP. =============
2495 
======================================================================
 2495 
======================================================================
2496 
Parameters:
 2496 
Parameters:
2497 
  * eax = 52 - function number
 2497 
  * eax = 52 - function number
2498 
  * ebx = 14 - subfunction number
 2498 
  * ebx = 14 - subfunction number
2499 
  * ecx = DNS IP (4 bytes)
 2499 
  * ecx = DNS IP (4 bytes)
2500 
Returned value:
 2500 
Returned value:
2501 
  * the current implementation returns eax=14, but this can be changed
 2501 
  * the current implementation returns eax=14, but this can be changed
2502 
    in future versions
 2502 
    in future versions
2503 
 
 2503 
 
2504 
======================================================================
 2504 
======================================================================
2505 
============ Function 53, subfunction 0 - open UDP-socket. ===========
 2505 
============ Function 53, subfunction 0 - open UDP-socket. ===========
2506 
======================================================================
 2506 
======================================================================
2507 
Parameters:
 2507 
Parameters:
2508 
  * eax = 53 - function number
 2508 
  * eax = 53 - function number
2509 
  * ebx = 0 - subfunction number
 2509 
  * ebx = 0 - subfunction number
2510 
  * ecx = local port (only low word is taken into account)
 2510 
  * ecx = local port (only low word is taken into account)
2511 
  * edx = remote port (only low word is taken into account)
 2511 
  * edx = remote port (only low word is taken into account)
2512 
  * esi = remote IP
 2512 
  * esi = remote IP
2513 
Returned value:
 2513 
Returned value:
2514 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroyed
 2514 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroyed
2515 
  * eax = socket handle (some number which unambiguously identifies
 2515 
  * eax = socket handle (some number which unambiguously identifies
2516 
    socket and have sense only for the system) - success;
 2516 
    socket and have sense only for the system) - success;
2517 
    ebx destroyed
 2517 
    ebx destroyed
2518 
 
 2518 
 
2519 
======================================================================
 2519 
======================================================================
2520 
=========== Function 53, subfunction 1 - close UDP-socket. ===========
 2520 
=========== Function 53, subfunction 1 - close UDP-socket. ===========
2521 
======================================================================
 2521 
======================================================================
2522 
Parameters:
 2522 
Parameters:
2523 
  * eax = 53 - function number
 2523 
  * eax = 53 - function number
2524 
  * ebx = 1 - subfunction number
 2524 
  * ebx = 1 - subfunction number
2525 
  * ecx = socket handle
 2525 
  * ecx = socket handle
2526 
Returned value:
 2526 
Returned value:
2527 
  * eax = -1 - incorrect handle
 2527 
  * eax = -1 - incorrect handle
2528 
  * eax = 0 - success
 2528 
  * eax = 0 - success
2529 
  * ebx destroyed
 2529 
  * ebx destroyed
2530 
Remarks:
 2530 
Remarks:
2531 
  * The current implementation does not close automatically all
 2531 
  * The current implementation does not close automatically all
2532 
    sockets of a thread at termination. In particular, one should not
 2532 
    sockets of a thread at termination. In particular, one should not
2533 
    kill a thread with many opened sockets - there will be an outflow
 2533 
    kill a thread with many opened sockets - there will be an outflow
2534 
    of resources.
 2534 
    of resources.
2535 
  * The current implementation does no checks on correctness
 2535 
  * The current implementation does no checks on correctness
2536 
    (function returns error only if thread tries to close not opened
 2536 
    (function returns error only if thread tries to close not opened
2537 
    socket with correct handle).
 2537 
    socket with correct handle).
2538 
 
 2538 
 
2539 
======================================================================
 2539 
======================================================================
2540 
============== Function 53, subfunction 2 - poll socket. =============
 2540 
============== Function 53, subfunction 2 - poll socket. =============
2541 
======================================================================
 2541 
======================================================================
2542 
Parameters:
 2542 
Parameters:
2543 
  * eax = 53 - function number
 2543 
  * eax = 53 - function number
2544 
  * ebx = 2 - subfunction number
 2544 
  * ebx = 2 - subfunction number
2545 
  * ecx = socket handle
 2545 
  * ecx = socket handle
2546 
Returned value:
 2546 
Returned value:
2547 
  * eax = number of read bytes
 2547 
  * eax = number of read bytes
2548 
  * ebx destroyed
 2548 
  * ebx destroyed
2549 
Remarks:
 2549 
Remarks:
2550 
  * There is no checks for correctness.
 2550 
  * There is no checks for correctness.
2551 
 
 2551 
 
2552 
======================================================================
 2552 
======================================================================
2553 
========= Function 53, subfunction 3 - read byte from socket. ========
 2553 
========= Function 53, subfunction 3 - read byte from socket. ========
2554 
======================================================================
 2554 
======================================================================
2555 
Parameters:
 2555 
Parameters:
2556 
  * eax = 53 - function number
 2556 
  * eax = 53 - function number
2557 
  * ebx = 3 - subfunction number
 2557 
  * ebx = 3 - subfunction number
2558 
  * ecx = socket handle
 2558 
  * ecx = socket handle
2559 
Returned value:
 2559 
Returned value:
2560 
  * if there is no read data: eax=0, bl=0,
 2560 
  * if there is no read data: eax=0, bl=0,
2561 
    other bytes of ebx are destroyed
 2561 
    other bytes of ebx are destroyed
2562 
  * if there are read data: eax=number of rest bytes
 2562 
  * if there are read data: eax=number of rest bytes
2563 
    (possibly 0), bl=read byte, other bytes of ebx are destroyed
 2563 
    (possibly 0), bl=read byte, other bytes of ebx are destroyed
2564 
Remarks:
 2564 
Remarks:
2565 
  * There is no checks for correctness.
 2565 
  * There is no checks for correctness.
2566 
 
 2566 
 
2567 
======================================================================
 2567 
======================================================================
2568 
========== Function 53, subfunction 4 - write to UDP-socket. =========
 2568 
========== Function 53, subfunction 4 - write to UDP-socket. =========
2569 
======================================================================
 2569 
======================================================================
2570 
Parameters:
 2570 
Parameters:
2571 
  * eax = 53 - function number
 2571 
  * eax = 53 - function number
2572 
  * ebx = 4 - subfunction number
 2572 
  * ebx = 4 - subfunction number
2573 
  * ecx = socket handle
 2573 
  * ecx = socket handle
2574 
  * edx = number of bytes to write
 2574 
  * edx = number of bytes to write
2575 
  * esi = pointer to data to write
 2575 
  * esi = pointer to data to write
2576 
Returned value:
 2576 
Returned value:
2577 
  * eax = 0xffffffff - invalid handle
 2577 
  * eax = 0xffffffff - invalid handle
2578 
  * eax = 0xffff - not enough memory
 2578 
  * eax = 0xffff - not enough memory
2579 
  * eax = 0 - success
 2579 
  * eax = 0 - success
2580 
  * ebx destroyed
 2580 
  * ebx destroyed
2581 
Remarks:
 2581 
Remarks:
2582 
  * Check on validity of handle is minimal - only not very incorrect
 2582 
  * Check on validity of handle is minimal - only not very incorrect
2583 
    not opened handles are eliminated.
 2583 
    not opened handles are eliminated.
2584 
  * Number of bytes to write must not exceed 1500-28, though
 2584 
  * Number of bytes to write must not exceed 1500-28, though
2585 
    the appropriate check is not made.
 2585 
    the appropriate check is not made.
2586 
 
 2586 
 
2587 
======================================================================
 2587 
======================================================================
2588 
============ Function 53, subfunction 5 - open TCP-socket. ===========
 2588 
============ Function 53, subfunction 5 - open TCP-socket. ===========
2589 
======================================================================
 2589 
======================================================================
2590 
Parameters:
 2590 
Parameters:
2591 
  * eax = 53 - function number
 2591 
  * eax = 53 - function number
2592 
  * ebx = 5 - subfunction number
 2592 
  * ebx = 5 - subfunction number
2593 
  * ecx = local port (only low word is taken into account)
 2593 
  * ecx = local port (only low word is taken into account)
2594 
  * edx = remote port (only low word is taken into account)
 2594 
  * edx = remote port (only low word is taken into account)
2595 
  * esi = remote IP
 2595 
  * esi = remote IP
2596 
  * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1
 2596 
  * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1
2597 
Returned value:
 2597 
Returned value:
2598 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroys
 2598 
  * eax = -1 = 0xFFFFFFFF - error; ebx destroys
2599 
  * eax = socket handle (some number which unambiguously identifies
 2599 
  * eax = socket handle (some number which unambiguously identifies
2600 
    socket and have sense only for the system) - success;
 2600 
    socket and have sense only for the system) - success;
2601 
    ebx destroyed
 2601 
    ebx destroyed
2602 
 
 2602 
 
2603 
======================================================================
 2603 
======================================================================
2604 
========= Function 53, subfunction 6 - get TCP-socket status. ========
 2604 
========= Function 53, subfunction 6 - get TCP-socket status. ========
2605 
======================================================================
 2605 
======================================================================
2606 
Parameters:
 2606 
Parameters:
2607 
  * eax = 53 - function number
 2607 
  * eax = 53 - function number
2608 
  * ebx = 6 - subfunction number
 2608 
  * ebx = 6 - subfunction number
2609 
  * ecx = socket handle
 2609 
  * ecx = socket handle
2610 
Returned value:
 2610 
Returned value:
2611 
  * eax = socket status: one of
 2611 
  * eax = socket status: one of
2612 
  * TCB_LISTEN = 1
 2612 
  * TCB_LISTEN = 1
2613 
  * TCB_SYN_SENT = 2
 2613 
  * TCB_SYN_SENT = 2
2614 
  * TCB_SYN_RECEIVED = 3
 2614 
  * TCB_SYN_RECEIVED = 3
2615 
  * TCB_ESTABLISHED = 4
 2615 
  * TCB_ESTABLISHED = 4
2616 
  * TCB_FIN_WAIT_1 = 5
 2616 
  * TCB_FIN_WAIT_1 = 5
2617 
  * TCB_FIN_WAIT_2 = 6
 2617 
  * TCB_FIN_WAIT_2 = 6
2618 
  * TCB_CLOSE_WAIT = 7
 2618 
  * TCB_CLOSE_WAIT = 7
2619 
  * TCB_CLOSING = 8
 2619 
  * TCB_CLOSING = 8
2620 
  * TCB_LAST_ASK = 9
 2620 
  * TCB_LAST_ASK = 9
2621 
  * TCB_TIME_WAIT = 10
 2621 
  * TCB_TIME_WAIT = 10
2622 
  * TCB_CLOSED = 11
 2622 
  * TCB_CLOSED = 11
2623 
  * ebx destroys
 2623 
  * ebx destroys
2624 
Remarks:
 2624 
Remarks:
2625 
  * There is no checks for correctness.
 2625 
  * There is no checks for correctness.
2626 
 
 2626 
 
2627 
======================================================================
 2627 
======================================================================
2628 
========== Function 53, subfunction 7 - write to TCP-socket. =========
 2628 
========== Function 53, subfunction 7 - write to TCP-socket. =========
2629 
======================================================================
 2629 
======================================================================
2630 
Parameters:
 2630 
Parameters:
2631 
  * eax = 53 - function number
 2631 
  * eax = 53 - function number
2632 
  * ebx = 7 - subfunction number
 2632 
  * ebx = 7 - subfunction number
2633 
  * ecx = socket handle
 2633 
  * ecx = socket handle
2634 
  * edx = number of bytes to write
 2634 
  * edx = number of bytes to write
2635 
  * esi = pointer to data to write
 2635 
  * esi = pointer to data to write
2636 
Returned value:
 2636 
Returned value:
2637 
  * eax = 0xffffffff - error
 2637 
  * eax = 0xffffffff - error
2638 
  * eax = 0xffff - not enough memory
 2638 
  * eax = 0xffff - not enough memory
2639 
  * eax = 0 - success
 2639 
  * eax = 0 - success
2640 
  * ebx destroyed
 2640 
  * ebx destroyed
2641 
Remarks:
 2641 
Remarks:
2642 
  * Check on validity of handle is minimal - only not very incorrect
 2642 
  * Check on validity of handle is minimal - only not very incorrect
2643 
    not opened handles are eliminated.
 2643 
    not opened handles are eliminated.
2644 
  * Number of bytes to write must not exceed 1500-40, though
 2644 
  * Number of bytes to write must not exceed 1500-40, though
2645 
    the appropriate check is not made.
 2645 
    the appropriate check is not made.
2646 
 
 2646 
 
2647 
======================================================================
 2647 
======================================================================
2648 
=========== Function 53, subfunction 8 - close TCP-socket. ===========
 2648 
=========== Function 53, subfunction 8 - close TCP-socket. ===========
2649 
======================================================================
 2649 
======================================================================
2650 
Parameters:
 2650 
Parameters:
2651 
  * eax = 53 - function number
 2651 
  * eax = 53 - function number
2652 
  * ebx = 8 - subfunction number
 2652 
  * ebx = 8 - subfunction number
2653 
  * ecx = socket handle
 2653 
  * ecx = socket handle
2654 
Returned value:
 2654 
Returned value:
2655 
  * eax = -1 - invalid handle
 2655 
  * eax = -1 - invalid handle
2656 
  * eax = 0xffff - not enough memory for socket close packet
 2656 
  * eax = 0xffff - not enough memory for socket close packet
2657 
  * eax = 0 - success
 2657 
  * eax = 0 - success
2658 
  * in many cases eax is destroyed (the result of function 'queue'
 2658 
  * in many cases eax is destroyed (the result of function 'queue'
2659 
    is returned) - probably this is bug, which will be corrected
 2659 
    is returned) - probably this is bug, which will be corrected
2660 
  * ebx destroyed
 2660 
  * ebx destroyed
2661 
Remarks:
 2661 
Remarks:
2662 
  * The current implementation does not close automatically all
 2662 
  * The current implementation does not close automatically all
2663 
    sockets of a thread at termination. In particular, one should not
 2663 
    sockets of a thread at termination. In particular, one should not
2664 
    kill a thread with many opened sockets - there will be an outflow
 2664 
    kill a thread with many opened sockets - there will be an outflow
2665 
    of resources.
 2665 
    of resources.
2666 
  * The current implementation does no checks on correctness
 2666 
  * The current implementation does no checks on correctness
2667 
    (function returns error only if thread tries to close not opened
 2667 
    (function returns error only if thread tries to close not opened
2668 
    socket with correct handle).
 2668 
    socket with correct handle).
2669 
 
 2669 
 
2670 
======================================================================
 2670 
======================================================================
2671 
=== Function 53, subfunction 9 - check whether local port is free. ===
 2671 
=== Function 53, subfunction 9 - check whether local port is free. ===
2672 
======================================================================
 2672 
======================================================================
2673 
Parameters:
 2673 
Parameters:
2674 
  * eax = 53 - function number
 2674 
  * eax = 53 - function number
2675 
  * ebx = 9 - subfunction number
 2675 
  * ebx = 9 - subfunction number
2676 
  * ecx = local port number (low 16 bits are used only)
 2676 
  * ecx = local port number (low 16 bits are used only)
2677 
Returned value:
 2677 
Returned value:
2678 
  * eax = 0 - port is used
 2678 
  * eax = 0 - port is used
2679 
  * eax = 1 - port is free
 2679 
  * eax = 1 - port is free
2680 
  * ebx destroyed
 2680 
  * ebx destroyed
2681 
 
 2681 
 
2682 
======================================================================
 2682 
======================================================================
2683 
= Function 53, subfunction 255 - debug information of network driver.
2683 
= Function 53, subfunction 255 - debug information of network driver.
2684 
======================================================================
 2684 
======================================================================
2685 
Parameters:
 2685 
Parameters:
2686 
  * eax = 53 - function number
 2686 
  * eax = 53 - function number
2687 
  * ebx = 255 - subfunction number
 2687 
  * ebx = 255 - subfunction number
2688 
  * ecx = type of requested information (see below)
 2688 
  * ecx = type of requested information (see below)
2689 
Returned value:
 2689 
Returned value:
2690 
  * eax = requested information
 2690 
  * eax = requested information
2691 
  * ebx destroyed
 2691 
  * ebx destroyed
2692 
Possible values for ecx:
 2692 
Possible values for ecx:
2693 
  * 100: length of queue 0 (empty queue)
 2693 
  * 100: length of queue 0 (empty queue)
2694 
  * 101: length of queue 1 (ip-out queue)
 2694 
  * 101: length of queue 1 (ip-out queue)
2695 
  * 102: length of queue 2 (ip-in queue)
 2695 
  * 102: length of queue 2 (ip-in queue)
2696 
  * 103: length of queue 3 (net1out queue)
 2696 
  * 103: length of queue 3 (net1out queue)
2697 
  * 200: number of items in the ARP table
 2697 
  * 200: number of items in the ARP table
2698 
  * 201: size of the ARP table (in items) (20 for current version)
 2698 
  * 201: size of the ARP table (in items) (20 for current version)
2699 
  * 202: read item at edx of the ARP table to the temporary buffer,
 2699 
  * 202: read item at edx of the ARP table to the temporary buffer,
2700 
    whence 5 following types take information;
 2700 
    whence 5 following types take information;
2701 
    in this case eax is not defined
 2701 
    in this case eax is not defined
2702 
  * 203: IP-address saved by type 202
 2702 
  * 203: IP-address saved by type 202
2703 
  * 204: high dword of MAC-address saved by type 202
 2703 
  * 204: high dword of MAC-address saved by type 202
2704 
  * 205: low word of MAC-address saved by type 202
 2704 
  * 205: low word of MAC-address saved by type 202
2705 
  * 206: status word saved by type 202
 2705 
  * 206: status word saved by type 202
2706 
  * 207: ttl word saved by type 202
 2706 
  * 207: ttl word saved by type 202
2707 
  * 2: total number of received IP-packets
 2707 
  * 2: total number of received IP-packets
2708 
  * 3: total number of transferred IP-packets
 2708 
  * 3: total number of transferred IP-packets
2709 
  * 4: total number of dumped received packets
 2709 
  * 4: total number of dumped received packets
2710 
  * 5: total number of received ARP-packets
 2710 
  * 5: total number of received ARP-packets
2711 
  * 6: status of packet driver, 0=inactive, nonzero=active
 2711 
  * 6: status of packet driver, 0=inactive, nonzero=active
2712 
 
 2712 
 
2713 
======================================================================
 2713 
======================================================================
2714 
========== Function 55, subfunction 0 - load data for SB16. ==========
 2714 
========== Function 55, subfunction 0 - load data for SB16. ==========
2715 
======================================================================
 2715 
======================================================================
2716 
Parameters:
 2716 
Parameters:
2717 
  * eax = 55 - function number
 2717 
  * eax = 55 - function number
2718 
  * ebx = 0 - subfunction number
 2718 
  * ebx = 0 - subfunction number
2719 
  * ecx = pointer to data (is copied 64 kilobytes, is used as much as
 2719 
  * ecx = pointer to data (is copied 64 kilobytes, is used as much as
2720 
    set by subfunction 2)
 2720 
    set by subfunction 2)
2721 
Returned value:
 2721 
Returned value:
2722 
  * function does not return value
 2722 
  * function does not return value
2723 
Remarks:
 2723 
Remarks:
2724 
  * Format and size of data are set by subfunction 2.
 2724 
  * Format and size of data are set by subfunction 2.
2725 
 
 2725 
 
2726 
======================================================================
 2726 
======================================================================
2727 
======== Function 55, subfunction 1 - begin play data on SB16. =======
 2727 
======== Function 55, subfunction 1 - begin play data on SB16. =======
2728 
======================================================================
 2728 
======================================================================
2729 
Parameters:
 2729 
Parameters:
2730 
  * eax = 55 - function number
 2730 
  * eax = 55 - function number
2731 
  * ebx = 1 - subfunction number
 2731 
  * ebx = 1 - subfunction number
2732 
Returned value:
 2732 
Returned value:
2733 
  * function does not return value
 2733 
  * function does not return value
2734 
Remarks:
 2734 
Remarks:
2735 
  * Previously data must be loaded by subfunction 0 and
 2735 
  * Previously data must be loaded by subfunction 0 and
2736 
    their format must be defined by subfunction 2.
 2736 
    their format must be defined by subfunction 2.
2737 
  * Function returns control, when playing of data began; after that
 2737 
  * Function returns control, when playing of data began; after that
2738 
    play goes independently from application (and does not use
 2738 
    play goes independently from application (and does not use
2739 
    processor time at all).
 2739 
    processor time at all).
2740 
  * Previously must be defined SB16 base port
 2740 
  * Previously must be defined SB16 base port
2741 
    (by subfunction 4 of function 21) and DMA channel
 2741 
    (by subfunction 4 of function 21) and DMA channel
2742 
    (by subfunction 10 of function 21).
 2742 
    (by subfunction 10 of function 21).
2743 
 
 2743 
 
2744 
======================================================================
 2744 
======================================================================
2745 
======== Function 55, subfunction 2 - set format of SB16 data. =======
 2745 
======== Function 55, subfunction 2 - set format of SB16 data. =======
2746 
======================================================================
 2746 
======================================================================
2747 
Parameters:
 2747 
Parameters:
2748 
  * eax = 55 - function number
 2748 
  * eax = 55 - function number
2749 
  * ebx = 2 - subfunction number
 2749 
  * ebx = 2 - subfunction number
2750 
  * ecx = 0 - set digit capacity
 2750 
  * ecx = 0 - set digit capacity
2751 
    * edx = 1 - 8bit mono
 2751 
    * edx = 1 - 8bit mono
2752 
    * edx = 2 - 8bit stereo
 2752 
    * edx = 2 - 8bit stereo
2753 
  * ecx = 1 - set data size
 2753 
  * ecx = 1 - set data size
2754 
    * edx = size in bytes
 2754 
    * edx = size in bytes
2755 
  * ecx = 2 - set play frequency
 2755 
  * ecx = 2 - set play frequency
2756 
    * edx = frequency
 2756 
    * edx = frequency
2757 
Returned value:
 2757 
Returned value:
2758 
  * function does not return value
 2758 
  * function does not return value
2759 
Remarks:
 2759 
Remarks:
2760 
  * When the system boots, it sets following default parameters:
 2760 
  * When the system boots, it sets following default parameters:
2761 
    digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz.
 2761 
    digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz.
2762 
    Nevertheless it is recommended to set necessary values obviously
 2762 
    Nevertheless it is recommended to set necessary values obviously
2763 
    as they could be reset by some application.
 2763 
    as they could be reset by some application.
2764 
 
 2764 
 
2765 
======================================================================
 2765 
======================================================================
2766 
 Function 55, subfunction 55 - begin to play data on built-in speaker.
2766 
 Function 55, subfunction 55 - begin to play data on built-in speaker.
2767 
======================================================================
 2767 
======================================================================
2768 
Parameters:
 2768 
Parameters:
2769 
  * eax = 55 - function number
 2769 
  * eax = 55 - function number
2770 
  * ebx = 55 - subfunction number
 2770 
  * ebx = 55 - subfunction number
2771 
  * esi = pointer to data
 2771 
  * esi = pointer to data
2772 
Returned value:
 2772 
Returned value:
2773 
  * eax = 0 - success
 2773 
  * eax = 0 - success
2774 
  * eax = 55 - error (speaker is off or busy)
 2774 
  * eax = 55 - error (speaker is off or busy)
2775 
Data is an array of items with variable length.
 2775 
Data is an array of items with variable length.
2776 
Format of each item is defined by first byte:
 2776 
Format of each item is defined by first byte:
2777 
  * 0 = end of data
 2777 
  * 0 = end of data
2778 
  * 1..0x80 = sets sound duration on 1/100 of second; sound note
 2778 
  * 1..0x80 = sets sound duration on 1/100 of second; sound note
2779 
    is defined by immediate value of frequency
 2779 
    is defined by immediate value of frequency
2780 
    * following word (2 bytes) contains frequency divider;
 2780 
    * following word (2 bytes) contains frequency divider;
2781 
      frequency is defined as 1193180/divider
 2781 
      frequency is defined as 1193180/divider
2782 
  * 0x81 = invalid
 2782 
  * 0x81 = invalid
2783 
  * 0x82..0xFF = note is defined by octave and number:
 2783 
  * 0x82..0xFF = note is defined by octave and number:
2784 
    * duration in 1/100 of second = (first byte)-0x81
 2784 
    * duration in 1/100 of second = (first byte)-0x81
2785 
    * there is one more byte;
 2785 
    * there is one more byte;
2786 
    * (second byte)=0xFF - delay
 2786 
    * (second byte)=0xFF - delay
2787 
    * otherwise it looks like a*0x10+b, where b=number of the note in
 2787 
    * otherwise it looks like a*0x10+b, where b=number of the note in
2788 
      an octave from 1 to 12, a=number of octave (beginning from 0)
 2788 
      an octave from 1 to 12, a=number of octave (beginning from 0)
2789 
Remarks:
 2789 
Remarks:
2790 
  * Speaker play can be disabled/enabled by
 2790 
  * Speaker play can be disabled/enabled by
2791 
    subfunction 8 of function 18.
 2791 
    subfunction 8 of function 18.
2792 
  * Function returns control, having informed the system
 2792 
  * Function returns control, having informed the system
2793 
    an information on request. Play itself goes independently from
 2793 
    an information on request. Play itself goes independently from
2794 
    the program.
 2794 
    the program.
2795 
  * The data must be kept in the memory at least up to the end
 2795 
  * The data must be kept in the memory at least up to the end
2796 
    of play.
 2796 
    of play.
2797 
 
 2797 
 
2798 
======================================================================
 2798 
======================================================================
2799 
=============== Function 56 - write file to hard disk. ===============
 2799 
=============== Function 56 - write file to hard disk. ===============
2800 
======================================================================
 2800 
======================================================================
2801 
Parameters:
 2801 
Parameters:
2802 
  * eax = 56 - function number
 2802 
  * eax = 56 - function number
2803 
  * ebx = pointer to the file name
 2803 
  * ebx = pointer to the file name
2804 
  * ecx = size of data to write (in bytes)
 2804 
  * ecx = size of data to write (in bytes)
2805 
  * edx = pointer to data to write
 2805 
  * edx = pointer to data to write
2806 
  * esi = pointer to path (ASCIIZ-string)
 2806 
  * esi = pointer to path (ASCIIZ-string)
2807 
Returned value:
 2807 
Returned value:
2808 
  * eax = 0 - success, otherwise file system error code
 2808 
  * eax = 0 - success, otherwise file system error code
2809 
Remarks:
 2809 
Remarks:
2810 
  * This function is obsolete; function 70 allows to fulfil the same
 2810 
  * This function is obsolete; function 70 allows to fulfil the same
2811 
    operations with the extended possibilities.
 2811 
    operations with the extended possibilities.
2812 
  * This function assumes that during its call by one application
 2812 
  * This function assumes that during its call by one application
2813 
    no other application works with hard disk.
 2813 
    no other application works with hard disk.
2814 
  * The path to file is ASCIIZ-string, which may be empty
 2814 
  * The path to file is ASCIIZ-string, which may be empty
2815 
    (if the file is created in the root folder) or have the format
 2815 
    (if the file is created in the root folder) or have the format
2816 
    /d1/d2/.../dn, where all folder names must have the 8+3 format,
 2816 
    /d1/d2/.../dn, where all folder names must have the 8+3 format,
2817 
    i.e. 8 characters of name and 3 characters of the extension
 2817 
    i.e. 8 characters of name and 3 characters of the extension
2818 
    without separator, supplemented by blanks if necessary;
 2818 
    without separator, supplemented by blanks if necessary;
2819 
    all letters must be capital.
 2819 
    all letters must be capital.
2820 
  * The file name must also have the format 8+3.
 2820 
  * The file name must also have the format 8+3.
2821 
 
 2821 
 
2822 
======================================================================
 2822 
======================================================================
2823 
================ Function 58 - work with file system. ================
 2823 
================ Function 58 - work with file system. ================
2824 
======================================================================
 2824 
======================================================================
2825 
Parameters:
 2825 
Parameters:
2826 
  * eax = 58
 2826 
  * eax = 58
2827 
  * ebx = pointer to the information structure
 2827 
  * ebx = pointer to the information structure
2828 
Returned value:
 2828 
Returned value:
2829 
  * eax = 0 - success; otherwise file system error code
 2829 
  * eax = 0 - success; otherwise file system error code
2830 
  * some subfunctions return value in other registers too
 2830 
  * some subfunctions return value in other registers too
2831 
General format of the information structure:
 2831 
General format of the information structure:
2832 
  * +0: dword: subfunction number
 2832 
  * +0: dword: subfunction number
2833 
  * +4: dword: number of block
 2833 
  * +4: dword: number of block
2834 
  * +8: dword: size
 2834 
  * +8: dword: size
2835 
  * +12 = +0xC: dword: pointer to data
 2835 
  * +12 = +0xC: dword: pointer to data
2836 
  * +16 = +0x10: dword: pointer to a memory for system operations
 2836 
  * +16 = +0x10: dword: pointer to a memory for system operations
2837 
    (4096 bytes)
 2837 
    (4096 bytes)
2838 
  * +20 = +0x14: n db: ASCIIZ-string with the file name
 2838 
  * +20 = +0x14: n db: ASCIIZ-string with the file name
2839 
Specifications - in documentation on the appropriate subfunction.
 2839 
Specifications - in documentation on the appropriate subfunction.
2840 
Filename is case-insensitive for latin letters, russian letters
 2840 
Filename is case-insensitive for latin letters, russian letters
2841 
must be capital.
 2841 
must be capital.
2842 
Format of filename:
 2842 
Format of filename:
2843 
/base/number/dir1/dir2/.../dirn/file,
 2843 
/base/number/dir1/dir2/.../dirn/file,
2844 
where /base/number identifies device, on which file is located:
 2844 
where /base/number identifies device, on which file is located:
2845 
one of
 2845 
one of
2846 
  * /RD/1 = /RAMDISK/1 to access ramdisk
 2846 
  * /RD/1 = /RAMDISK/1 to access ramdisk
2847 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
 2847 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
2848 
    /FD/2 = /FLOPPYDISK/2 to access second one
 2848 
    /FD/2 = /FLOPPYDISK/2 to access second one
2849 
  * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk
 2849 
  * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk
2850 
    (in this case base is defined by subfunction 7 of function 21),
 2850 
    (in this case base is defined by subfunction 7 of function 21),
2851 
    x - partition number (beginning from 1)
 2851 
    x - partition number (beginning from 1)
2852 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
 2852 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
2853 
    IDE0 (Primary Master), IDE1 (Primary Slave),
 2853 
    IDE0 (Primary Master), IDE1 (Primary Slave),
2854 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
 2854 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
2855 
    x - partition number on the selected hard drive, varies from 1
 2855 
    x - partition number on the selected hard drive, varies from 1
2856 
    to 255 (on each hard drive the indexing starts from 1)
 2856 
    to 255 (on each hard drive the indexing starts from 1)
2857 
Remarks:
 2857 
Remarks:
2858 
  * In the first two cases it is also possible to use FIRST
 2858 
  * In the first two cases it is also possible to use FIRST
2859 
    instead of 1, SECOND instead of 2, but it is not recommended
 2859 
    instead of 1, SECOND instead of 2, but it is not recommended
2860 
    for convenience of transition to the future extensions.
 2860 
    for convenience of transition to the future extensions.
2861 
  * Limitation n<=39 is imposed.
 2861 
  * Limitation n<=39 is imposed.
2862 
  * Names of folders and file dir1,...,dirn,file must have the
 2862 
  * Names of folders and file dir1,...,dirn,file must have the
2863 
    format 8.3: name no more than 8 characters, dot, extension no
 2863 
    format 8.3: name no more than 8 characters, dot, extension no
2864 
    more than 3 characters. Trailing spaces are ignored, no other
 2864 
    more than 3 characters. Trailing spaces are ignored, no other
2865 
    spaces is allowed. If name occupies equally 8 characters,
 2865 
    spaces is allowed. If name occupies equally 8 characters,
2866 
    dot may be omitted (though it is not recommended to use this
 2866 
    dot may be omitted (though it is not recommended to use this
2867 
    feature for convenience of transition to the future extensions).
 2867 
    feature for convenience of transition to the future extensions).
2868 
  * This function does not support folders on ramdisk.
 2868 
  * This function does not support folders on ramdisk.
2869 
Examples:
 2869 
Examples:
2870 
  * '/RAMDISK/FIRST/KERNEL.ASM',0
 2870 
  * '/RAMDISK/FIRST/KERNEL.ASM',0
2871 
    '/rd/1/kernel.asm',0
 2871 
    '/rd/1/kernel.asm',0
2872 
  * '/HD0/1/kernel.asm',0
 2872 
  * '/HD0/1/kernel.asm',0
2873 
  * '/hd0/1/menuet/pics/tanzania.bmp',0
 2873 
  * '/hd0/1/menuet/pics/tanzania.bmp',0
2874 
Existing subfunctions:
 2874 
Existing subfunctions:
2875 
  * subfunction 0 - read file/folder
 2875 
  * subfunction 0 - read file/folder
2876 
  * subfunction 1 - rewrite file
 2876 
  * subfunction 1 - rewrite file
2877 
  * subfunction 2 - delete file/folder
 2877 
  * subfunction 2 - delete file/folder
2878 
  * subfunction 4 - make folder
 2878 
  * subfunction 4 - make folder
2879 
  * subfunction 5 - rename/move file/folder
 2879 
  * subfunction 5 - rename/move file/folder
2880 
  * subfunction 8 - LBA-read from device
 2880 
  * subfunction 8 - LBA-read from device
2881 
  * subfunction 15 - get file system information
 2881 
  * subfunction 15 - get file system information
2882 
 
 2882 
 
2883 
======================================================================
 2883 
======================================================================
2884 
=========== Function 58, subfunction 0 - read file/folder. ===========
 2884 
=========== Function 58, subfunction 0 - read file/folder. ===========
2885 
======================================================================
 2885 
======================================================================
2886 
Parameters:
 2886 
Parameters:
2887 
  * eax = 58
 2887 
  * eax = 58
2888 
  * ebx = pointer to the information structure
 2888 
  * ebx = pointer to the information structure
2889 
Format of the information structure:
 2889 
Format of the information structure:
2890 
  * +0: dword: 0 = subfunction number
 2890 
  * +0: dword: 0 = subfunction number
2891 
  * +4: dword: first block to read (beginning from 0)
 2891 
  * +4: dword: first block to read (beginning from 0)
2892 
  * +8: dword: amount of blocks to read
 2892 
  * +8: dword: amount of blocks to read
2893 
  * +12 = +0xC: dword: pointer to buffer for data
 2893 
  * +12 = +0xC: dword: pointer to buffer for data
2894 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2894 
  * +16 = +0x10: dword: pointer to buffer for system operations
2895 
    (4096 bytes)
 2895 
    (4096 bytes)
2896 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 2896 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
2897 
    given in the general description
 2897 
    given in the general description
2898 
Returned value:
 2898 
Returned value:
2899 
  * eax = 0 - success, otherwise file system error code
 2899 
  * eax = 0 - success, otherwise file system error code
2900 
  * ebx = file size (in bytes) or -1=0xffffffff, if file was not found
 2900 
  * ebx = file size (in bytes) or -1=0xffffffff, if file was not found
2901 
Remarks:
 2901 
Remarks:
2902 
  * Block size is 512 bytes.
 2902 
  * Block size is 512 bytes.
2903 
  * This function is obsolete, for reading files use subfunction 0
 2903 
  * This function is obsolete, for reading files use subfunction 0
2904 
    of function 70, for reading folders - subfunction 1 of
 2904 
    of function 70, for reading folders - subfunction 1 of
2905 
    function 70.
 2905 
    function 70.
2906 
  * Function can read contents of a folder. Only FAT file system is
 2906 
  * Function can read contents of a folder. Only FAT file system is
2907 
    supported. The format of FAT-folder is described
 2907 
    supported. The format of FAT-folder is described
2908 
    in any FAT documentation.
 2908 
    in any FAT documentation.
2909 
  * Size of a folder is determined by size of FAT clusters chain.
 2909 
  * Size of a folder is determined by size of FAT clusters chain.
2910 
  * If file was ended before last requested block was read,
 2910 
  * If file was ended before last requested block was read,
2911 
    the function will read as many as it can, and after that return
 2911 
    the function will read as many as it can, and after that return
2912 
    eax=6 (EOF).
 2912 
    eax=6 (EOF).
2913 
  * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but
 2913 
  * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but
2914 
    in the first two cases the current implementation does not follow
 2914 
    in the first two cases the current implementation does not follow
2915 
    to the declared rules:
 2915 
    to the declared rules:
2916 
    for /rd/1:
 2916 
    for /rd/1:
2917 
    * if one want to read 0 blocks, function considers,
 2917 
    * if one want to read 0 blocks, function considers,
2918 
      that he requested 1;
 2918 
      that he requested 1;
2919 
    * if one requests more than 14 blocks or starting block is
 2919 
    * if one requests more than 14 blocks or starting block is
2920 
      not less than 14, function returns eax=5 (not found) è ebx=-1;
 2920 
      not less than 14, function returns eax=5 (not found) è ebx=-1;
2921 
    * size of ramdisk root folder is 14 blocks,
2921 
    * size of ramdisk root folder is 14 blocks,
2922 
      0x1C00=7168 áàéò; but function returns ebx=0
 2922 
      0x1C00=7168 áàéò; but function returns ebx=0
2923 
      (except of the case of previous item);
 2923 
      (except of the case of previous item);
2924 
    * strangely enough, it is possible to read 14th block (which
 2924 
    * strangely enough, it is possible to read 14th block (which
2925 
      generally contains a garbage - I remind, the indexing begins
 2925 
      generally contains a garbage - I remind, the indexing begins
2926 
      from 0);
 2926 
      from 0);
2927 
    * if some block with the number not less than 14 was requested,
 2927 
    * if some block with the number not less than 14 was requested,
2928 
      function returns eax=6(EOF); otherwise eax=0.
 2928 
      function returns eax=6(EOF); otherwise eax=0.
2929 
    For /fd/x:
 2929 
    For /fd/x:
2930 
    * if the start block is not less than 14, function returns
 2930 
    * if the start block is not less than 14, function returns
2931 
      eax=5 (not found) and ebx=0;
 2931 
      eax=5 (not found) and ebx=0;
2932 
    * note that format of FAT12 allows floppies with the root size
 2932 
    * note that format of FAT12 allows floppies with the root size
2933 
      more or less than 14 blocks;
 2933 
      more or less than 14 blocks;
2934 
    * check for length is not performed;
 2934 
    * check for length is not performed;
2935 
    * if data was successful read, function returns
 2935 
    * if data was successful read, function returns
2936 
      eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1.
 2936 
      eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1.
2937 
  * The function handles reading of special folders /,/rd,/fd,/hd[n];
 2937 
  * The function handles reading of special folders /,/rd,/fd,/hd[n];
2938 
    but the result does not correspond to expected (on operations with
 2938 
    but the result does not correspond to expected (on operations with
2939 
    normal files/folders), does not follow the declared rules,
 2939 
    normal files/folders), does not follow the declared rules,
2940 
    may be changed in future versions of the kernel and consequently
 2940 
    may be changed in future versions of the kernel and consequently
2941 
    is not described. To obtain the information about the equipment
 2941 
    is not described. To obtain the information about the equipment
2942 
    use subfunction 11 of function 18 or
 2942 
    use subfunction 11 of function 18 or
2943 
    read corresponding folder with subfunction 1 of function 70.
 2943 
    read corresponding folder with subfunction 1 of function 70.
2944 
 
 2944 
 
2945 
======================================================================
 2945 
======================================================================
2946 
============= Function 58, subfunction 1 - rewrite file. =============
 2946 
============= Function 58, subfunction 1 - rewrite file. =============
2947 
======================================================================
 2947 
======================================================================
2948 
If the file does not exist, it is created.
 2948 
If the file does not exist, it is created.
2949 
If the file exists, it is rewritten.
 2949 
If the file exists, it is rewritten.
2950 
Parameters:
 2950 
Parameters:
2951 
  * eax = 58 - function number
 2951 
  * eax = 58 - function number
2952 
  * ebx = pointer to the information structure
 2952 
  * ebx = pointer to the information structure
2953 
Format of the information structure:
 2953 
Format of the information structure:
2954 
  * +0: dword: 1 = subfunction number
 2954 
  * +0: dword: 1 = subfunction number
2955 
  * +4: dword: ignored (set to 0)
 2955 
  * +4: dword: ignored (set to 0)
2956 
  * +8: dword: number of bytes to write
 2956 
  * +8: dword: number of bytes to write
2957 
  * +12 = +0xC: dword: pointer to data to write
 2957 
  * +12 = +0xC: dword: pointer to data to write
2958 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2958 
  * +16 = +0x10: dword: pointer to buffer for system operations
2959 
    (4096 bytes)
 2959 
    (4096 bytes)
2960 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 2960 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
2961 
    given in the general description
 2961 
    given in the general description
2962 
Returned value:
 2962 
Returned value:
2963 
  * eax = 0 - success, otherwise file system error code
 2963 
  * eax = 0 - success, otherwise file system error code
2964 
  * ebx destroyed
 2964 
  * ebx destroyed
2965 
Remarks:
 2965 
Remarks:
2966 
  * This function is obsolete, use subfunction 2 of function 70.
 2966 
  * This function is obsolete, use subfunction 2 of function 70.
2967 
 
 2967 
 
2968 
======================================================================
 2968 
======================================================================
2969 
========== Function 58, subfunction 2 - delete file/folder. ==========
 2969 
========== Function 58, subfunction 2 - delete file/folder. ==========
2970 
======================================================================
 2970 
======================================================================
2971 
Parameters:
 2971 
Parameters:
2972 
  * eax = 58 - function number
 2972 
  * eax = 58 - function number
2973 
  * ebx = pointer to the information structure
 2973 
  * ebx = pointer to the information structure
2974 
Format of the information structure:
 2974 
Format of the information structure:
2975 
  * +0: dword: 2 = subfunction number
 2975 
  * +0: dword: 2 = subfunction number
2976 
  * +4: dword: ignored
 2976 
  * +4: dword: ignored
2977 
  * +8: dword: ignored
 2977 
  * +8: dword: ignored
2978 
  * +12 = +0xC: dword: ignored
 2978 
  * +12 = +0xC: dword: ignored
2979 
  * +16 = +0x10: dword: pointer to buffer for system operations
 2979 
  * +16 = +0x10: dword: pointer to buffer for system operations
2980 
    (4096 bytes)
 2980 
    (4096 bytes)
2981 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 2981 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
2982 
    given in the general description
 2982 
    given in the general description
2983 
Returned value:
 2983 
Returned value:
2984 
  * eax = 0 - success, otherwise file system error code
 2984 
  * eax = 0 - success, otherwise file system error code
2985 
  * ebx destroyed
 2985 
  * ebx destroyed
2986 
Remarks:
 2986 
Remarks:
2987 
  * By operations with a floppy one should not delete not empty
 2987 
  * By operations with a floppy one should not delete not empty
2988 
    folder. The code working with hard disk deletes not empty folders
 2988 
    folder. The code working with hard disk deletes not empty folders
2989 
    correctly (i.e. recursively with all files and nested folders).
 2989 
    correctly (i.e. recursively with all files and nested folders).
2990 
    Function 58 does not support folders on ramdisk.
 2990 
    Function 58 does not support folders on ramdisk.
2991 
 
 2991 
 
2992 
======================================================================
 2992 
======================================================================
2993 
============== Function 58, subfunction 4 - make folder. =============
 2993 
============== Function 58, subfunction 4 - make folder. =============
2994 
======================================================================
 2994 
======================================================================
2995 
Parameters:
 2995 
Parameters:
2996 
  * eax = 58 - function number
 2996 
  * eax = 58 - function number
2997 
  * ebx = pointer to the information structure
 2997 
  * ebx = pointer to the information structure
2998 
Format of the information structure:
 2998 
Format of the information structure:
2999 
  * +0: dword: 4 = subfunction number
 2999 
  * +0: dword: 4 = subfunction number
3000 
  * +4: dword: ignored
 3000 
  * +4: dword: ignored
3001 
  * +8: dword: ignored
 3001 
  * +8: dword: ignored
3002 
  * +12 = +0xC: dword: ignored
 3002 
  * +12 = +0xC: dword: ignored
3003 
  * +16 = +0x10: dword: pointer to buffer for system operations
 3003 
  * +16 = +0x10: dword: pointer to buffer for system operations
3004 
    (4096 bytes)
 3004 
    (4096 bytes)
3005 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 3005 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
3006 
    given in the general description
 3006 
    given in the general description
3007 
Returned value:
 3007 
Returned value:
3008 
  * eax = 0 - success, otherwise file system error code
 3008 
  * eax = 0 - success, otherwise file system error code
3009 
  * ebx destroyed
 3009 
  * ebx destroyed
3010 
Remarks:
 3010 
Remarks:
3011 
  * Ramdisk and floppies do not support this function, it is only
 3011 
  * Ramdisk and floppies do not support this function, it is only
3012 
    for hard disks.
 3012 
    for hard disks.
3013 
 
 3013 
 
3014 
======================================================================
 3014 
======================================================================
3015 
======== Function 58, subfunction 5 - rename/move file/folder. =======
 3015 
======== Function 58, subfunction 5 - rename/move file/folder. =======
3016 
======================================================================
 3016 
======================================================================
3017 
Parameters:
 3017 
Parameters:
3018 
  * eax = 58 - function number
 3018 
  * eax = 58 - function number
3019 
  * ebx = pointer to the information structure
 3019 
  * ebx = pointer to the information structure
3020 
Format of the information structure:
 3020 
Format of the information structure:
3021 
  * +0: dword: 5 = subfunction number
 3021 
  * +0: dword: 5 = subfunction number
3022 
  * +4: dword: ignored
 3022 
  * +4: dword: ignored
3023 
  * +8: dword: ignored
 3023 
  * +8: dword: ignored
3024 
  * +12 = +0xC: dword: ignored
 3024 
  * +12 = +0xC: dword: ignored
3025 
  * +16 = +0x10: dword: pointer to buffer for system operations
 3025 
  * +16 = +0x10: dword: pointer to buffer for system operations
3026 
    (4096 bytes)
 3026 
    (4096 bytes)
3027 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 3027 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
3028 
    given in the general description
 3028 
    given in the general description
3029 
  * +20+n: (at once after terminating null character) new
 3029 
  * +20+n: (at once after terminating null character) new
3030 
    ASCIIZ-name, must start from /hd/1, that is interpreted as
 3030 
    ASCIIZ-name, must start from /hd/1, that is interpreted as
3031 
    the hard disk, indicated in the first name
 3031 
    the hard disk, indicated in the first name
3032 
    (moving from one disk to another is not supported)
 3032 
    (moving from one disk to another is not supported)
3033 
Returned value:
 3033 
Returned value:
3034 
  * eax = 0 - success, otherwise file system error code
 3034 
  * eax = 0 - success, otherwise file system error code
3035 
  * ebx destroyed
 3035 
  * ebx destroyed
3036 
Remarks:
 3036 
Remarks:
3037 
  * Ramdisk and floppies do not support this function, it is only
 3037 
  * Ramdisk and floppies do not support this function, it is only
3038 
    for hard disks.
 3038 
    for hard disks.
3039 
  * If the new ASCIIZ-name is strongly incorrect, i.e. does not start
 3039 
  * If the new ASCIIZ-name is strongly incorrect, i.e. does not start
3040 
    from /hd/1, /hd/first, /harddisk/1, /harddisk/first or after this
 3040 
    from /hd/1, /hd/first, /harddisk/1, /harddisk/first or after this
3041 
    space or null character follows, function returns, strangely
 3041 
    space or null character follows, function returns, strangely
3042 
    enough, error code 4. It is the only function which returns
 3042 
    enough, error code 4. It is the only function which returns
3043 
    this code.
 3043 
    this code.
3044 
 
 3044 
 
3045 
======================================================================
 3045 
======================================================================
3046 
========= Function 58, subfunction 8 - LBA-read from device. =========
 3046 
========= Function 58, subfunction 8 - LBA-read from device. =========
3047 
======================================================================
 3047 
======================================================================
3048 
Parameters:
 3048 
Parameters:
3049 
  * eax = 58 - function number
 3049 
  * eax = 58 - function number
3050 
  * ebx = pointer to the information structure
 3050 
  * ebx = pointer to the information structure
3051 
Format of the information structure:
 3051 
Format of the information structure:
3052 
  * +0: dword: 8 = subfunction number
 3052 
  * +0: dword: 8 = subfunction number
3053 
  * +4: dword: number of block to read (beginning from 0)
 3053 
  * +4: dword: number of block to read (beginning from 0)
3054 
  * +8: dword: ignored (set to 1)
 3054 
  * +8: dword: ignored (set to 1)
3055 
  * +12 = +0xC: dword: pointer to buffer for data (512 bytes)
 3055 
  * +12 = +0xC: dword: pointer to buffer for data (512 bytes)
3056 
  * +16 = +0x10: dword: pointer to buffer for system operations
 3056 
  * +16 = +0x10: dword: pointer to buffer for system operations
3057 
    (4096 bytes)
 3057 
    (4096 bytes)
3058 
  * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of
 3058 
  * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of
3059 
    /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n,
 3059 
    /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n,
3060 
    1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3.
 3060 
    1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3.
3061 
    Instead of digits it is allowed, though not recommended for
 3061 
    Instead of digits it is allowed, though not recommended for
3062 
    convenience of transition to future extensions, to use
 3062 
    convenience of transition to future extensions, to use
3063 
    'first','second','third','fourth'.
 3063 
    'first','second','third','fourth'.
3064 
Returned value:
 3064 
Returned value:
3065 
  * for device name /hd/xxx, where xxx is not in the list above:
 3065 
  * for device name /hd/xxx, where xxx is not in the list above:
3066 
    * eax = ebx = 1
 3066 
    * eax = ebx = 1
3067 
  * for invalid device name (except for the previous case):
 3067 
  * for invalid device name (except for the previous case):
3068 
    * eax = 5
 3068 
    * eax = 5
3069 
    * ebx does not change
 3069 
    * ebx does not change
3070 
  * if LBA-access is disabled by subfunction 11 of function 21:
 3070 
  * if LBA-access is disabled by subfunction 11 of function 21:
3071 
    * eax = 2
 3071 
    * eax = 2
3072 
    * ebx destroyed
 3072 
    * ebx destroyed
3073 
  * for ramdisk: attempt to read block outside ramdisk
 3073 
  * for ramdisk: attempt to read block outside ramdisk
3074 
    (18*2*80 blocks) results in
 3074 
    (18*2*80 blocks) results in
3075 
    * eax = 3
 3075 
    * eax = 3
3076 
    * ebx = 0
 3076 
    * ebx = 0
3077 
  * for successful read:
 3077 
  * for successful read:
3078 
    * eax = ebx = 0
 3078 
    * eax = ebx = 0
3079 
Remarks:
 3079 
Remarks:
3080 
  * Block size is 512 bytes; function reads one block.
 3080 
  * Block size is 512 bytes; function reads one block.
3081 
  * Do not depend on returned value, it can be changed
 3081 
  * Do not depend on returned value, it can be changed
3082 
    in future versions.
 3082 
    in future versions.
3083 
  * Function requires that LBA-access to devices is enabled by
3083 
  * Function requires that LBA-access to devices is enabled by
3084 
    subfunction 11 of function 21. To check this one can use
3084 
    subfunction 11 of function 21. To check this one can use
3085 
    subfunction 11 of function 26.
 3085 
    subfunction 11 of function 26.
3086 
  * LBA-read of floppy is not supported.
 3086 
  * LBA-read of floppy is not supported.
3087 
  * Function reads data on physical hard drive; if for any reason
 3087 
  * Function reads data on physical hard drive; if for any reason
3088 
    data of the concrete partition are required, application must
 3088 
    data of the concrete partition are required, application must
3089 
    define starting sector of this partition (either directly
 3089 
    define starting sector of this partition (either directly
3090 
    through MBR, or from the full structure returned by
 3090 
    through MBR, or from the full structure returned by
3091 
    ïîäôóíêöèåé 11 ôóíêöèè 18).
 3091 
    ïîäôóíêöèåé 11 ôóíêöèè 18).
3092 
  * Function does not check error code of hard disk, so request of
 3092 
  * Function does not check error code of hard disk, so request of
3093 
    nonexisting sector reads something (most probably it will be
 3093 
    nonexisting sector reads something (most probably it will be
3094 
    zeroes, but this is defined by device) and this is considered
 3094 
    zeroes, but this is defined by device) and this is considered
3095 
    as success (eax=0).
 3095 
    as success (eax=0).
3096 
 
 3096 
 
3097 
======================================================================
 3097 
======================================================================
3098 
==== Function 58, subfunction 15 - get information on file system. ===
 3098 
==== Function 58, subfunction 15 - get information on file system. ===
3099 
======================================================================
 3099 
======================================================================
3100 
Parameters:
 3100 
Parameters:
3101 
  * eax = 58 - function number
 3101 
  * eax = 58 - function number
3102 
  * ebx = pointer to the information structure
 3102 
  * ebx = pointer to the information structure
3103 
Format of the information structure:
 3103 
Format of the information structure:
3104 
  * +0: dword: 15 = subfunction number
 3104 
  * +0: dword: 15 = subfunction number
3105 
  * +4: dword: ignored
 3105 
  * +4: dword: ignored
3106 
  * +8: dword: ignored
 3106 
  * +8: dword: ignored
3107 
  * +12 = +0xC: dword: ignored
 3107 
  * +12 = +0xC: dword: ignored
3108 
  * +16 = +0x10: dword: ignored
 3108 
  * +16 = +0x10: dword: ignored
3109 
  * +20 = +0x14: (only second character is checked)
 3109 
  * +20 = +0x14: (only second character is checked)
3110 
    /rd=/RAMDISK or /hd=/HARDDISK
 3110 
    /rd=/RAMDISK or /hd=/HARDDISK
3111 
Returned value:
 3111 
Returned value:
3112 
  * if the second character does not belong to set {'r','R','h','H'}:
 3112 
  * if the second character does not belong to set {'r','R','h','H'}:
3113 
    * eax = 3
 3113 
    * eax = 3
3114 
    * ebx = ecx = dword [fileinfo] = 0
 3114 
    * ebx = ecx = dword [fileinfo] = 0
3115 
  * for ramdisk:
 3115 
  * for ramdisk:
3116 
    * eax = 0 (success)
 3116 
    * eax = 0 (success)
3117 
    * ebx = total number of clusters = 2847
 3117 
    * ebx = total number of clusters = 2847
3118 
    * ecx = number of free clusters
 3118 
    * ecx = number of free clusters
3119 
    * dword [fileinfo] = cluster size = 512
 3119 
    * dword [fileinfo] = cluster size = 512
3120 
  * for hard disk: base and partition are defined by subfunctions
 3120 
  * for hard disk: base and partition are defined by subfunctions
3121 
    7 and 8 of function 21:
 3121 
    7 and 8 of function 21:
3122 
    * eax = 0 (success)
 3122 
    * eax = 0 (success)
3123 
    * ebx = total number of clusters
 3123 
    * ebx = total number of clusters
3124 
    * ecx = number of free clusters
 3124 
    * ecx = number of free clusters
3125 
    * dword [fileinfo] = cluster size (in bytes)
 3125 
    * dword [fileinfo] = cluster size (in bytes)
3126 
Remarks:
 3126 
Remarks:
3127 
  * Be not surprised to strange layout of 4th returned parameter
 3127 
  * Be not surprised to strange layout of 4th returned parameter
3128 
    - when this code was writing, at system calls application got
 3128 
    - when this code was writing, at system calls application got
3129 
    only registers eax,ebx,ecx (from pushad-structure transmitted
 3129 
    only registers eax,ebx,ecx (from pushad-structure transmitted
3130 
    as argument to the system function). Now it is corrected, so,
 3130 
    as argument to the system function). Now it is corrected, so,
3131 
    probably, it is meaningful to return cluster size in edx, while
 3131 
    probably, it is meaningful to return cluster size in edx, while
3132 
    this function is not used yet.
 3132 
    this function is not used yet.
3133 
  * There exists also subfunction 11 of function 18,
 3133 
  * There exists also subfunction 11 of function 18,
3134 
    which returns information on file system. From the full table
 3134 
    which returns information on file system. From the full table
3135 
    of disk subsystem it is possible to deduce cluster size (there
 3135 
    of disk subsystem it is possible to deduce cluster size (there
3136 
    it is stored in sectors) and total number of clusters
 3136 
    it is stored in sectors) and total number of clusters
3137 
    for hard disks.
 3137 
    for hard disks.
3138 
 
 3138 
 
3139 
======================================================================
 3139 
======================================================================
3140 
=============== Function 59 - trace last system calls. ===============
 3140 
=============== Function 59 - trace last system calls. ===============
3141 
======================================================================
 3141 
======================================================================
3142 
Gets data on all system calls of all processes.
 3142 
Gets data on all system calls of all processes.
3143 
Parameters:
 3143 
Parameters:
3144 
  * eax = 59 - function number
 3144 
  * eax = 59 - function number
3145 
  * ebx = 0 - unique subfunction
 3145 
  * ebx = 0 - unique subfunction
3146 
  * ecx = pointer to the buffer
 3146 
  * ecx = pointer to the buffer
3147 
  * edx = size of the buffer
 3147 
  * edx = size of the buffer
3148 
Returned value:
 3148 
Returned value:
3149 
  * eax = total number of system calls made from system boot
 3149 
  * eax = total number of system calls made from system boot
3150 
    (modulo 2^32)
 3150 
    (modulo 2^32)
3151 
  * ebx = 0
 3151 
  * ebx = 0
3152 
Format of information on one call: (size = 0x40 = 64 bytes)
 3152 
Format of information on one call: (size = 0x40 = 64 bytes)
3153 
  * +0: dword: PID of process/thread
 3153 
  * +0: dword: PID of process/thread
3154 
  * +4: 7*dword: garbage
 3154 
  * +4: 7*dword: garbage
3155 
  * +32 = +0x20: dword: value of edi at the call
 3155 
  * +32 = +0x20: dword: value of edi at the call
3156 
  * +36 = +0x24: dword: esi
 3156 
  * +36 = +0x24: dword: esi
3157 
  * +40 = +0x28: dword: ebp
 3157 
  * +40 = +0x28: dword: ebp
3158 
  * +44 = +0x2C: dword: stack pointer of the kernel handler
 3158 
  * +44 = +0x2C: dword: stack pointer of the kernel handler
3159 
  * +48 = +0x30: dword: ebx
 3159 
  * +48 = +0x30: dword: ebx
3160 
  * +52 = +0x34: dword: edx
 3160 
  * +52 = +0x34: dword: edx
3161 
  * +56 = +0x38: dword: ecx
 3161 
  * +56 = +0x38: dword: ecx
3162 
  * +60 = +0x3C: dword: eax (=number of system function)
 3162 
  * +60 = +0x3C: dword: eax (=number of system function)
3163 
Remarks:
 3163 
Remarks:
3164 
  * The function is used only in the application 'systrace'.
 3164 
  * The function is used only in the application 'systrace'.
3165 
    It is rather difficult to imagine a situation, in which
 3165 
    It is rather difficult to imagine a situation, in which
3166 
    this application or this function are really useful;
 3166 
    this application or this function are really useful;
3167 
    and all system calls for support of this function are a little
 3167 
    and all system calls for support of this function are a little
3168 
    decelerated (though not strongly)...
 3168 
    decelerated (though not strongly)...
3169 
  * So there is a proposition to delete from the kernel
 3169 
  * So there is a proposition to delete from the kernel
3170 
    support of this function, together with application 'systrace'.
 3170 
    support of this function, together with application 'systrace'.
3171 
  * The information on system calls saves in the system
 3171 
  * The information on system calls saves in the system
3172 
    ring buffer with 0x10 entries.
 3172 
    ring buffer with 0x10 entries.
3173 
    This function simply copies the given size of data
 3173 
    This function simply copies the given size of data
3174 
    from this buffer to the given address.
 3174 
    from this buffer to the given address.
3175 
  * One can determine, which entry in the buffer corresponds to
 3175 
  * One can determine, which entry in the buffer corresponds to
3176 
    last system call, by value of eax, namely, it is the entry
 3176 
    last system call, by value of eax, namely, it is the entry
3177 
    (eax and 0xF) (at offset (eax and 0xF)*0x40).
 3177 
    (eax and 0xF) (at offset (eax and 0xF)*0x40).
3178 
  * In the current implementation there can be the seldom
 3178 
  * In the current implementation there can be the seldom
3179 
    meeting problems of unsynchronization, when the information
 3179 
    meeting problems of unsynchronization, when the information
3180 
    on some calls becomes outdated.
 3180 
    on some calls becomes outdated.
3181 
  * Under the system buffer one page, 4Kb, is allocated.
 3181 
  * Under the system buffer one page, 4Kb, is allocated.
3182 
    Size of an entry = 64 bytes. Why only 16 entries are used,
 3182 
    Size of an entry = 64 bytes. Why only 16 entries are used,
3183 
    is not clearly.
 3183 
    is not clearly.
3184 
  * The value of esp at the moment of system call cannot
 3184 
  * The value of esp at the moment of system call cannot
3185 
    be determined by this function.
 3185 
    be determined by this function.
3186 
  * The current implementation does not check edx for correctness.
 3186 
  * The current implementation does not check edx for correctness.
3187 
 
 3187 
 
3188 
======================================================================
 3188 
======================================================================
3189 
========== Function 60 - Inter Process Communication (IPC). ==========
 3189 
========== Function 60 - Inter Process Communication (IPC). ==========
3190 
======================================================================
 3190 
======================================================================
3191 
IPC is used for message dispatching from one process/thread to
 3191 
IPC is used for message dispatching from one process/thread to
3192 
another. Previously it is necessary to agree how to interpret
 3192 
another. Previously it is necessary to agree how to interpret
3193 
the concrete message.
 3193 
the concrete message.
3194 
 
 3194 
 
3195 
----------- Subfunction 1 - set the area for IPC receiving -----------
 3195 
----------- Subfunction 1 - set the area for IPC receiving -----------
3196 
Is called by process-receiver.
 3196 
Is called by process-receiver.
3197 
Parameters:
 3197 
Parameters:
3198 
  * eax = 60 - function number
 3198 
  * eax = 60 - function number
3199 
  * ebx = 1 - subfunction number
 3199 
  * ebx = 1 - subfunction number
3200 
  * ecx = pointer to the buffer
 3200 
  * ecx = pointer to the buffer
3201 
  * edx = size of the buffer
 3201 
  * edx = size of the buffer
3202 
Returned value:
 3202 
Returned value:
3203 
  * eax = 0 - always success
 3203 
  * eax = 0 - always success
3204 
Format of IPC-buffer:
 3204 
Format of IPC-buffer:
3205 
  * +0: dword: if nonzero, buffer is considered locked;
 3205 
  * +0: dword: if nonzero, buffer is considered locked;
3206 
    lock/unlock the buffer, when you work with it and need that
 3206 
    lock/unlock the buffer, when you work with it and need that
3207 
    buffer data are not changed from outside (no new messages)
 3207 
    buffer data are not changed from outside (no new messages)
3208 
  * +4: dword: occupied place in the buffer (in bytes)
 3208 
  * +4: dword: occupied place in the buffer (in bytes)
3209 
  * +8: first message
 3209 
  * +8: first message
3210 
  * +8+n: second message
 3210 
  * +8+n: second message
3211 
  * ...
 3211 
  * ...
3212 
Format of a message:
 3212 
Format of a message:
3213 
  * +0: dword: PID of sender
 3213 
  * +0: dword: PID of sender
3214 
  * +4: dword: message length (not including this header)
 3214 
  * +4: dword: message length (not including this header)
3215 
  * +8: n*byte: message data
 3215 
  * +8: n*byte: message data
3216 
 
 3216 
 
3217 
------------------ Subfunction 2 - send IPC message ------------------
 3217 
------------------ Subfunction 2 - send IPC message ------------------
3218 
Is called by process-sender.
 3218 
Is called by process-sender.
3219 
Parameters:
 3219 
Parameters:
3220 
  * eax = 60 - function number
 3220 
  * eax = 60 - function number
3221 
  * ebx = 2 - subfunction number
 3221 
  * ebx = 2 - subfunction number
3222 
  * ecx = PID of receiver
 3222 
  * ecx = PID of receiver
3223 
  * edx = pointer to the message data
 3223 
  * edx = pointer to the message data
3224 
  * esi = message length (in bytes)
 3224 
  * esi = message length (in bytes)
3225 
Returned value:
 3225 
Returned value:
3226 
  * eax = 0 - success
 3226 
  * eax = 0 - success
3227 
  * eax = 1 - the receiver has not defined buffer for IPC messages
 3227 
  * eax = 1 - the receiver has not defined buffer for IPC messages
3228 
    (can be, still have no time,
 3228 
    (can be, still have no time,
3229 
    and can be, this is not right process)
 3229 
    and can be, this is not right process)
3230 
  * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit
 3230 
  * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit
3231 
  * eax = 3 - overflow of IPC-buffer of the receiver
 3231 
  * eax = 3 - overflow of IPC-buffer of the receiver
3232 
  * eax = 4 - process/thread with such PID does not exist
 3232 
  * eax = 4 - process/thread with such PID does not exist
3233 
Remarks:
 3233 
Remarks:
3234 
  * Immediately after writing of IPC-message to the buffer the system
 3234 
  * Immediately after writing of IPC-message to the buffer the system
3235 
    sends to the receiver the event with code 7 (see event codes).
 3235 
    sends to the receiver the event with code 7 (see event codes).
3236 
 
 3236 
 
3237 
======================================================================
 3237 
======================================================================
3238 
==== Function 61 - get parameters for the direct graphics access. ====
 3238 
==== Function 61 - get parameters for the direct graphics access. ====
3239 
======================================================================
 3239 
======================================================================
3240 
The data of the graphics screen (the memory area which displays
 3240 
The data of the graphics screen (the memory area which displays
3241 
screen contents) are accessible to a program directly, without
 3241 
screen contents) are accessible to a program directly, without
3242 
any system calls, through the selector gs:
 3242 
any system calls, through the selector gs:
3243 
	mov	eax, [gs:0]
 3243 
	mov	eax, [gs:0]
3244 
places in eax the first dword of the buffer, which contains
 3244 
places in eax the first dword of the buffer, which contains
3245 
information on color of the left upper point (and, possibly, colors
 3245 
information on color of the left upper point (and, possibly, colors
3246 
of several following).
 3246 
of several following).
3247 
	mov	[gs:0], eax
 3247 
	mov	[gs:0], eax
3248 
by work in VESA modes with LFB sets color of the left upper point
 3248 
by work in VESA modes with LFB sets color of the left upper point
3249 
(and, possibly, colors of several following).
 3249 
(and, possibly, colors of several following).
3250 
To interpret the data of graphics screen program needs to know
 3250 
To interpret the data of graphics screen program needs to know
3251 
some parameters, returning by this function.
 3251 
some parameters, returning by this function.
3252 
Remarks:
 3252 
Remarks:
3253 
  * Graphics parameters changes very seldom at work,
 3253 
  * Graphics parameters changes very seldom at work,
3254 
    namely, only in cases, when user works with the application VRR.
 3254 
    namely, only in cases, when user works with the application VRR.
3255 
  * At videomode change the system redraws all windows (event
 3255 
  * At videomode change the system redraws all windows (event
3256 
    with code 1) and redraws the background (event 5).
 3256 
    with code 1) and redraws the background (event 5).
3257 
    Same events occur in other cases too, which meet much more often,
 3257 
    Same events occur in other cases too, which meet much more often,
3258 
    than videomode change.
 3258 
    than videomode change.
3259 
  * By operation in videomodes with LFB the selector gs points to
 3259 
  * By operation in videomodes with LFB the selector gs points to
3260 
    LFB itself, so reading/writing on gs result directly in
 3260 
    LFB itself, so reading/writing on gs result directly in
3261 
    change of screen contents. By operation in videomodes without
 3261 
    change of screen contents. By operation in videomodes without
3262 
    LFB gs points to some data area in the kernel, and all functions
 3262 
    LFB gs points to some data area in the kernel, and all functions
3263 
    of screen output fulfil honesty double operation on writing
 3263 
    of screen output fulfil honesty double operation on writing
3264 
    directly to the screen and writing to this buffer. In result
 3264 
    directly to the screen and writing to this buffer. In result
3265 
    at reading contents of this buffer the results correspond to
 3265 
    at reading contents of this buffer the results correspond to
3266 
    screen contents (with, generally speaking, large color
 3266 
    screen contents (with, generally speaking, large color
3267 
    resolution), and writing is ignored.
 3267 
    resolution), and writing is ignored.
3268 
    One exception is the mode 320*200, for which main loop of the
 3268 
    One exception is the mode 320*200, for which main loop of the
3269 
    system thread updates the screen according to mouse movements.
 3269 
    system thread updates the screen according to mouse movements.
3270 
 
 3270 
 
3271 
------------------------- Screen resolution --------------------------
 3271 
------------------------- Screen resolution --------------------------
3272 
Parameters:
 3272 
Parameters:
3273 
  * eax = 61 - function number
 3273 
  * eax = 61 - function number
3274 
  * ebx = 1 - subfunction number
 3274 
  * ebx = 1 - subfunction number
3275 
Returned value:
 3275 
Returned value:
3276 
  * eax = [resolution on x axis]*65536 + [resolution on y axis]
 3276 
  * eax = [resolution on x axis]*65536 + [resolution on y axis]
3277 
Remarks:
 3277 
Remarks:
3278 
  * One can use function 14 paying attention that
 3278 
  * One can use function 14 paying attention that
3279 
    it returns sizes on 1 pixel less. It is fully equivalent way.
 3279 
    it returns sizes on 1 pixel less. It is fully equivalent way.
3280 
 
 3280 
 
3281 
---------------------- Number of bits per pixel ----------------------
 3281 
---------------------- Number of bits per pixel ----------------------
3282 
Parameters:
 3282 
Parameters:
3283 
  * eax = 61 - function number
 3283 
  * eax = 61 - function number
3284 
  * ebx = 2 - subfunction number
 3284 
  * ebx = 2 - subfunction number
3285 
Returned value:
 3285 
Returned value:
3286 
  * eax = number of bits per pixel (24 or 32)
 3286 
  * eax = number of bits per pixel (24 or 32)
3287 
 
 3287 
 
3288 
-------------------- Number of bytes per scanline --------------------
 3288 
-------------------- Number of bytes per scanline --------------------
3289 
Parameters:
 3289 
Parameters:
3290 
  * eax = 61 - function number
 3290 
  * eax = 61 - function number
3291 
  * ebx = 3 - subfunction number
 3291 
  * ebx = 3 - subfunction number
3292 
Returned value:
 3292 
Returned value:
3293 
  * eax = number of bytes occupied by one scanline
 3293 
  * eax = number of bytes occupied by one scanline
3294 
    (horizontal line on the screen)
 3294 
    (horizontal line on the screen)
3295 
 
 3295 
 
3296 
======================================================================
 3296 
======================================================================
3297 
===== Function 62, subfunction 0 - get version of PCI-interface. =====
 3297 
===== Function 62, subfunction 0 - get version of PCI-interface. =====
3298 
======================================================================
 3298 
======================================================================
3299 
Parameters:
 3299 
Parameters:
3300 
  * eax = 62 - function number
 3300 
  * eax = 62 - function number
3301 
  * bl = 0 - subfunction number
 3301 
  * bl = 0 - subfunction number
3302 
Returned value:
 3302 
Returned value:
3303 
  * eax = -1 - PCI access is disabled; otherwise
 3303 
  * eax = -1 - PCI access is disabled; otherwise
3304 
  * ah.al = version of PCI-interface (ah=version, al=subversion)
 3304 
  * ah.al = version of PCI-interface (ah=version, al=subversion)
3305 
  * high word of eax is zeroed
 3305 
  * high word of eax is zeroed
3306 
Remarks:
 3306 
Remarks:
3307 
  * Previously low-level access to PCI for applications must be
 3307 
  * Previously low-level access to PCI for applications must be
3308 
    enabled by subfunction 12 of function 21.
 3308 
    enabled by subfunction 12 of function 21.
3309 
  * If PCI BIOS is not supported, the value of ax is undefined.
 3309 
  * If PCI BIOS is not supported, the value of ax is undefined.
3310 
 
 3310 
 
3311 
======================================================================
 3311 
======================================================================
3312 
==== Function 62, subfunction 1 - get number of the last PCI-bus. ====
 3312 
==== Function 62, subfunction 1 - get number of the last PCI-bus. ====
3313 
======================================================================
 3313 
======================================================================
3314 
Parameters:
 3314 
Parameters:
3315 
  * eax = 62 - function number
 3315 
  * eax = 62 - function number
3316 
  * bl = 1 - subfunction number
 3316 
  * bl = 1 - subfunction number
3317 
Returned value:
 3317 
Returned value:
3318 
  * eax = -1 - access to PCI is disabled; otherwise
 3318 
  * eax = -1 - access to PCI is disabled; otherwise
3319 
  * al = number of the last PCI-bus; other bytes of eax are destroyed
 3319 
  * al = number of the last PCI-bus; other bytes of eax are destroyed
3320 
Remarks:
 3320 
Remarks:
3321 
  * Previously low-level access to PCI for applications must be
 3321 
  * Previously low-level access to PCI for applications must be
3322 
    enabled by subfunction 12 of function 21.
 3322 
    enabled by subfunction 12 of function 21.
3323 
  * If PCI BIOS is not supported, the value of ax is undefined.
 3323 
  * If PCI BIOS is not supported, the value of ax is undefined.
3324 
 
 3324 
 
3325 
======================================================================
 3325 
======================================================================
3326 
===================== Function 62, subfunction 2 =====================
 3326 
===================== Function 62, subfunction 2 =====================
3327 
===== Get mechanism of addressing to the PCI configuration space. ====
 3327 
===== Get mechanism of addressing to the PCI configuration space. ====
3328 
======================================================================
 3328 
======================================================================
3329 
Parameters:
 3329 
Parameters:
3330 
  * eax = 62 - function number
 3330 
  * eax = 62 - function number
3331 
  * bl = 2 - subfunction number
 3331 
  * bl = 2 - subfunction number
3332 
Returned value:
 3332 
Returned value:
3333 
  * eax = -1 - access to PCI is disabled; otherwise
 3333 
  * eax = -1 - access to PCI is disabled; otherwise
3334 
  * al = mechanism (1 or 2); other bytes of eax are destroyed
 3334 
  * al = mechanism (1 or 2); other bytes of eax are destroyed
3335 
Remarks:
 3335 
Remarks:
3336 
  * Previously low-level access to PCI for applications must be
 3336 
  * Previously low-level access to PCI for applications must be
3337 
    enabled by subfunction 12 of function 21.
 3337 
    enabled by subfunction 12 of function 21.
3338 
  * Addressing mechanism is selected depending on
 3338 
  * Addressing mechanism is selected depending on
3339 
    equipment characteristics.
 3339 
    equipment characteristics.
3340 
  * Subfunctions of read and write work automatically
 3340 
  * Subfunctions of read and write work automatically
3341 
    with the selected mechanism.
 3341 
    with the selected mechanism.
3342 
 
 3342 
 
3343 
======================================================================
 3343 
======================================================================
3344 
======== Function 62, subfunctions 4,5,6 - read PCI-register. ========
 3344 
======== Function 62, subfunctions 4,5,6 - read PCI-register. ========
3345 
======================================================================
 3345 
======================================================================
3346 
Parameters:
 3346 
Parameters:
3347 
  * eax = 62 - function number
 3347 
  * eax = 62 - function number
3348 
  * bl = 4 - read byte
 3348 
  * bl = 4 - read byte
3349 
  * bl = 5 - read word
 3349 
  * bl = 5 - read word
3350 
  * bl = 6 - read dword
 3350 
  * bl = 6 - read dword
3351 
  * bh = number of PCI-bus
 3351 
  * bh = number of PCI-bus
3352 
  * ch = dddddfff, where ddddd = number of the device on the bus,
 3352 
  * ch = dddddfff, where ddddd = number of the device on the bus,
3353 
    fff = function number of device
 3353 
    fff = function number of device
3354 
  * cl = number of register (must be even for bl=5,
 3354 
  * cl = number of register (must be even for bl=5,
3355 
    divisible by 4 for bl=6)
 3355 
    divisible by 4 for bl=6)
3356 
Returned value:
 3356 
Returned value:
3357 
  * eax = -1 - error (access to PCI is disabled or parameters
 3357 
  * eax = -1 - error (access to PCI is disabled or parameters
3358 
    are not supported); otherwise
 3358 
    are not supported); otherwise
3359 
  * al/ax/eax (depending on requested size) contains the data;
 3359 
  * al/ax/eax (depending on requested size) contains the data;
3360 
    the other part of register eax is destroyed
 3360 
    the other part of register eax is destroyed
3361 
Remarks:
 3361 
Remarks:
3362 
  * Previously low-level access to PCI for applications must be
 3362 
  * Previously low-level access to PCI for applications must be
3363 
    enabled by subfunction 12 of function 21.
 3363 
    enabled by subfunction 12 of function 21.
3364 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
 3364 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
3365 
    function number. To get access mechanism use subfunction 2.
 3365 
    function number. To get access mechanism use subfunction 2.
3366 
  * Some registers are standard and exist for all devices, some are
 3366 
  * Some registers are standard and exist for all devices, some are
3367 
    defined by the concrete device. The list of registers of the
 3367 
    defined by the concrete device. The list of registers of the
3368 
    first type can be found e.g. in famous
 3368 
    first type can be found e.g. in famous
3369 
    Interrupt List by Ralf Brown
 3369 
    Interrupt List by Ralf Brown
3370 
    (http://www.pobox.com/~ralf/files.html,
 3370 
    (http://www.pobox.com/~ralf/files.html,
3371 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/);
 3371 
    ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/);
3372 
    registers of the second type must be listed
 3372 
    registers of the second type must be listed
3373 
    in the device documentation.
 3373 
    in the device documentation.
3374 
 
 3374 
 
3375 
======================================================================
 3375 
======================================================================
3376 
====== Function 62, subfunctions 8,9,10 - write to PCI-register. =====
 3376 
====== Function 62, subfunctions 8,9,10 - write to PCI-register. =====
3377 
======================================================================
 3377 
======================================================================
3378 
Parameters:
 3378 
Parameters:
3379 
  * eax = 62 - function number
 3379 
  * eax = 62 - function number
3380 
  * bl = 8 - write byte
 3380 
  * bl = 8 - write byte
3381 
  * bl = 9 - write word
 3381 
  * bl = 9 - write word
3382 
  * bl = 10 - write dword
 3382 
  * bl = 10 - write dword
3383 
  * bh = number of PCI-bus
 3383 
  * bh = number of PCI-bus
3384 
  * ch = dddddfff, where ddddd = number of the device on the bus,
 3384 
  * ch = dddddfff, where ddddd = number of the device on the bus,
3385 
    fff = function number of device
 3385 
    fff = function number of device
3386 
  * cl = number of register (must be even for bl=9,
 3386 
  * cl = number of register (must be even for bl=9,
3387 
    divisible by 4 for bl=10)
 3387 
    divisible by 4 for bl=10)
3388 
  * dl/dx/edx (depending on requested size) contatins
 3388 
  * dl/dx/edx (depending on requested size) contatins
3389 
    the data to write
 3389 
    the data to write
3390 
Returned value:
 3390 
Returned value:
3391 
  * eax = -1 - error (access to PCI is disabled or parameters
 3391 
  * eax = -1 - error (access to PCI is disabled or parameters
3392 
    are not supported)
 3392 
    are not supported)
3393 
  * eax = 0 - success
 3393 
  * eax = 0 - success
3394 
Remarks:
 3394 
Remarks:
3395 
  * Previously low-level access to PCI for applications must be
 3395 
  * Previously low-level access to PCI for applications must be
3396 
    enabled by subfunction 12 of function 21.
 3396 
    enabled by subfunction 12 of function 21.
3397 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
 3397 
  * Access mechanism 2 supports only 16 devices on a bus and ignores
3398 
    function number. To get access mechanism use subfunction 2.
 3398 
    function number. To get access mechanism use subfunction 2.
3399 
  * Some registers are standard and exist for all devices, some are
 3399 
  * Some registers are standard and exist for all devices, some are
3400 
    defined by the concrete device. The list of registers of the
 3400 
    defined by the concrete device. The list of registers of the
3401 
    first type can be found e.g. in famous Interrupt List by
 3401 
    first type can be found e.g. in famous Interrupt List by
3402 
    Ralf Brown; registers of the second type must be listed
 3402 
    Ralf Brown; registers of the second type must be listed
3403 
    in the device documentation.
 3403 
    in the device documentation.
3404 
 
 3404 
 
3405 
======================================================================
 3405 
======================================================================
3406 
============== Function 63 - work with the debug board. ==============
 3406 
============== Function 63 - work with the debug board. ==============
3407 
======================================================================
 3407 
======================================================================
3408 
The debug board is the global system buffer (with the size
 3408 
The debug board is the global system buffer (with the size
3409 
512 bytes), to which any program can write (generally speaking,
 3409 
512 bytes), to which any program can write (generally speaking,
3410 
arbitrary) data and from which other program can read these data.
 3410 
arbitrary) data and from which other program can read these data.
3411 
By the agreement written data are text strings interpreted as
 3411 
By the agreement written data are text strings interpreted as
3412 
debug messages on a course of program execution. The kernel in
 3412 
debug messages on a course of program execution. The kernel in
3413 
some situations also writes to the debug board information on
 3413 
some situations also writes to the debug board information on
3414 
execution of some functions; by the agreement kernel messages
 3414 
execution of some functions; by the agreement kernel messages
3415 
begins from the prefix "K : ".
 3415 
begins from the prefix "K : ".
3416 
For view of the debug board the application 'board' was created,
 3416 
For view of the debug board the application 'board' was created,
3417 
which reads data from the buffer and displays them in its window.
 3417 
which reads data from the buffer and displays them in its window.
3418 
'board' interpretes the sequence of codes 13,10 as newline.
 3418 
'board' interpretes the sequence of codes 13,10 as newline.
3419 
A character with null code in an end of line is not necessary,
 3419 
A character with null code in an end of line is not necessary,
3420 
but also does not prevent.
 3420 
but also does not prevent.
3421 
Because debugger has been written, the value of the debug board
 3421 
Because debugger has been written, the value of the debug board
3422 
has decreased, as debugger allows to inspect completely a course of
 3422 
has decreased, as debugger allows to inspect completely a course of
3423 
program execution without any efforts from the direction of program
 3423 
program execution without any efforts from the direction of program
3424 
itself. Nevertheless in some cases the debug board is still useful.
 3424 
itself. Nevertheless in some cases the debug board is still useful.
3425 
 
 3425 
 
3426 
----------------------------- Write byte -----------------------------
 3426 
----------------------------- Write byte -----------------------------
3427 
Parameters:
 3427 
Parameters:
3428 
  * eax = 63 - function number
 3428 
  * eax = 63 - function number
3429 
  * ebx = 1 - subfunction number
 3429 
  * ebx = 1 - subfunction number
3430 
  * cl = data byte
 3430 
  * cl = data byte
3431 
Returned value:
 3431 
Returned value:
3432 
  * function does not return value
 3432 
  * function does not return value
3433 
Remarks:
 3433 
Remarks:
3434 
  * Byte is written to the buffer. Buffer size is 512 bytes.
 3434 
  * Byte is written to the buffer. Buffer size is 512 bytes.
3435 
    At buffer overflow all obtained data are lost.
 3435 
    At buffer overflow all obtained data are lost.
3436 
  * For output to the debug board of more complicated objects
 3436 
  * For output to the debug board of more complicated objects
3437 
    (strings, numbers) it is enough to call this function in cycle.
 3437 
    (strings, numbers) it is enough to call this function in cycle.
3438 
    It is possible not to write the appropriate code manually and use
 3438 
    It is possible not to write the appropriate code manually and use
3439 
    file 'debug.inc', which is included into the distributive.
 3439 
    file 'debug.inc', which is included into the distributive.
3440 
 
 3440 
 
3441 
----------------------------- Read byte ------------------------------
 3441 
----------------------------- Read byte ------------------------------
3442 
Takes away byte from the buffer.
 3442 
Takes away byte from the buffer.
3443 
Parameters:
 3443 
Parameters:
3444 
  * eax = 63 - function number
 3444 
  * eax = 63 - function number
3445 
  * ebx = 2 - subfunction number
 3445 
  * ebx = 2 - subfunction number
3446 
Returned value:
 3446 
Returned value:
3447 
  * eax = ebx = 0 - the buffer is empty
 3447 
  * eax = ebx = 0 - the buffer is empty
3448 
  * eax = byte, ebx = 1 - byte was successfully read
 3448 
  * eax = byte, ebx = 1 - byte was successfully read
3449 
 
 3449 
 
3450 
======================================================================
 3450 
======================================================================
3451 
============== Function 64 - resize application memory. ==============
 3451 
============== Function 64 - resize application memory. ==============
3452 
======================================================================
 3452 
======================================================================
3453 
Parameters:
 3453 
Parameters:
3454 
  * eax = 64 - function number
 3454 
  * eax = 64 - function number
3455 
  * ebx = 1 - unique subfunction
 3455 
  * ebx = 1 - unique subfunction
3456 
  * ecx = new memory size
 3456 
  * ecx = new memory size
3457 
Returned value:
 3457 
Returned value:
3458 
  * eax = 0 - success
 3458 
  * eax = 0 - success
3459 
  * eax = 1 - not enough memory
 3459 
  * eax = 1 - not enough memory
3460 
Remarks:
 3460 
Remarks:
3461 
  * At the moment this function is a sole resource for dynamic
 3461 
  * At the moment this function is a sole resource for dynamic
3462 
    allocation/free of application memory.
 3462 
    allocation/free of application memory.
3463 
 
 3463 
 
3464 
======================================================================
 3464 
======================================================================
3465 
================== Function 66 - work with keyboard. =================
 3465 
================== Function 66 - work with keyboard. =================
3466 
======================================================================
 3466 
======================================================================
3467 
The input mode influences results of reading keys by function 2.
 3467 
The input mode influences results of reading keys by function 2.
3468 
When a program loads, ASCII input mode is set for it.
 3468 
When a program loads, ASCII input mode is set for it.
3469 
 
 3469 
 
3470 
-------------- Subfunction 1 - set keyboard input mode. --------------
 3470 
-------------- Subfunction 1 - set keyboard input mode. --------------
3471 
Parameters:
 3471 
Parameters:
3472 
  * eax = 66 - function number
 3472 
  * eax = 66 - function number
3473 
  * ebx = 1 - subfunction number
 3473 
  * ebx = 1 - subfunction number
3474 
  * ecx = mode:
 3474 
  * ecx = mode:
3475 
    * 0 = normal (ASCII-characters)
 3475 
    * 0 = normal (ASCII-characters)
3476 
    * 1 = scancodes
 3476 
    * 1 = scancodes
3477 
Returned value:
 3477 
Returned value:
3478 
  * function does not return value
 3478 
  * function does not return value
3479 
 
 3479 
 
3480 
-------------- Subfunction 2 - get keyboard input mode. --------------
 3480 
-------------- Subfunction 2 - get keyboard input mode. --------------
3481 
Parameters:
 3481 
Parameters:
3482 
  * eax = 66 - function number
 3482 
  * eax = 66 - function number
3483 
  * ebx = 2 - subfunction number
 3483 
  * ebx = 2 - subfunction number
3484 
Returned value:
 3484 
Returned value:
3485 
  * eax = current mode
 3485 
  * eax = current mode
3486 
 
 3486 
 
3487 
------------ Subfunction 3 - get status of control keys. -------------
 3487 
------------ Subfunction 3 - get status of control keys. -------------
3488 
Parameters:
 3488 
Parameters:
3489 
  * eax = 66 - function number
 3489 
  * eax = 66 - function number
3490 
  * ebx = 3 - subfunction number
 3490 
  * ebx = 3 - subfunction number
3491 
Returned value:
 3491 
Returned value:
3492 
  * eax = bit mask:
 3492 
  * eax = bit mask:
3493 
  * bit 0 (mask 1): left Shift is pressed
 3493 
  * bit 0 (mask 1): left Shift is pressed
3494 
  * bit 1 (mask 2): right Shift is pressed
 3494 
  * bit 1 (mask 2): right Shift is pressed
3495 
  * bit 2 (mask 4): left Ctrl is pressed
 3495 
  * bit 2 (mask 4): left Ctrl is pressed
3496 
  * bit 3 (mask 8): right Ctrl is pressed
 3496 
  * bit 3 (mask 8): right Ctrl is pressed
3497 
  * bit 4 (mask 0x10): left Alt is pressed
 3497 
  * bit 4 (mask 0x10): left Alt is pressed
3498 
  * bit 5 (mask 0x20): right Alt is pressed
 3498 
  * bit 5 (mask 0x20): right Alt is pressed
3499 
  * bit 6 (mask 0x40): CapsLock is on
 3499 
  * bit 6 (mask 0x40): CapsLock is on
3500 
  * bit 7 (mask 0x80): NumLock is on
 3500 
  * bit 7 (mask 0x80): NumLock is on
3501 
  * bit 8 (mask 0x100): ScrollLock is on
 3501 
  * bit 8 (mask 0x100): ScrollLock is on
3502 
  * other bits are cleared
 3502 
  * other bits are cleared
3503 
 
 3503 
 
3504 
-------------- Subfunction 4 - set system-wide hotkey. ---------------
 3504 
-------------- Subfunction 4 - set system-wide hotkey. ---------------
3505 
When hotkey is pressed, the system notifies only those applications,
 3505 
When hotkey is pressed, the system notifies only those applications,
3506 
which have installed it; the active application (which receives
 3506 
which have installed it; the active application (which receives
3507 
all normal input) does not receive such keys.
 3507 
all normal input) does not receive such keys.
3508 
The notification consists in sending event with the code 2.
 3508 
The notification consists in sending event with the code 2.
3509 
Reading hotkey is the same as reading normal key - by function 2.
 3509 
Reading hotkey is the same as reading normal key - by function 2.
3510 
Parameters:
 3510 
Parameters:
3511 
  * eax = 66 - function number
 3511 
  * eax = 66 - function number
3512 
  * ebx = 4 - subfunction number
 3512 
  * ebx = 4 - subfunction number
3513 
  * cl determines key scancode;
 3513 
  * cl determines key scancode;
3514 
    use cl=0 to give combinations such as Ctrl+Shift
 3514 
    use cl=0 to give combinations such as Ctrl+Shift
3515 
  * edx = 0xXYZ determines possible states of control keys:
 3515 
  * edx = 0xXYZ determines possible states of control keys:
3516 
    * Z (low 4 bits) determines state of LShift and RShift:
 3516 
    * Z (low 4 bits) determines state of LShift and RShift:
3517 
      * 0 = no key must be pressed;
 3517 
      * 0 = no key must be pressed;
3518 
      * 1 = exactly one key must be pressed;
 3518 
      * 1 = exactly one key must be pressed;
3519 
      * 2 = both keys must be pressed;
 3519 
      * 2 = both keys must be pressed;
3520 
      * 3 = must be pressed LShift, but not RShift;
 3520 
      * 3 = must be pressed LShift, but not RShift;
3521 
      * 4 = must be pressed RShift, but not LShift
 3521 
      * 4 = must be pressed RShift, but not LShift
3522 
    * Y - similar for LCtrl and RCtrl;
 3522 
    * Y - similar for LCtrl and RCtrl;
3523 
    * X - similar for LAlt and RAlt
 3523 
    * X - similar for LAlt and RAlt
3524 
Returned value:
 3524 
Returned value:
3525 
  * eax=0 - success
 3525 
  * eax=0 - success
3526 
  * eax=1 - too mant hotkeys (maximum 256 are allowed)
 3526 
  * eax=1 - too mant hotkeys (maximum 256 are allowed)
3527 
Remarks:
 3527 
Remarks:
3528 
  * Hotkey can work either at pressing or at release. Release
 3528 
  * Hotkey can work either at pressing or at release. Release
3529 
    scancode of a key is more on 128 than pressing scancode
 3529 
    scancode of a key is more on 128 than pressing scancode
3530 
    (i.e. high bit is set).
 3530 
    (i.e. high bit is set).
3531 
  * Several applications can set the same combination;
 3531 
  * Several applications can set the same combination;
3532 
    all such applications will be informed on pressing
 3532 
    all such applications will be informed on pressing
3533 
    such combination.
 3533 
    such combination.
3534 
 
 3534 
 
3535 
-------------- Subfunction 5 - delete installed hotkey. --------------
 3535 
-------------- Subfunction 5 - delete installed hotkey. --------------
3536 
Parameters:
 3536 
Parameters:
3537 
  * eax = 66 - function number
 3537 
  * eax = 66 - function number
3538 
  * ebx = 5 - subfunction number
 3538 
  * ebx = 5 - subfunction number
3539 
  * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4
 3539 
  * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4
3540 
Returned value:
 3540 
Returned value:
3541 
  * eax = 0 - success
 3541 
  * eax = 0 - success
3542 
  * eax = 1 - there is no such hotkey
 3542 
  * eax = 1 - there is no such hotkey
3543 
Remarks:
 3543 
Remarks:
3544 
  * When a process/thread terminates, all hotkey installed by it are
 3544 
  * When a process/thread terminates, all hotkey installed by it are
3545 
    deleted.
 3545 
    deleted.
3546 
  * The call to this subfunction does not affect other applications.
 3546 
  * The call to this subfunction does not affect other applications.
3547 
    If other application has defined the same combination, it will
 3547 
    If other application has defined the same combination, it will
3548 
    still receive notices.
 3548 
    still receive notices.
3549 
 
 3549 
 
3550 
======================================================================
 3550 
======================================================================
3551 
========= Function 67 - change position/sizes of the window. =========
 3551 
========= Function 67 - change position/sizes of the window. =========
3552 
======================================================================
 3552 
======================================================================
3553 
Parameters:
 3553 
Parameters:
3554 
  * eax = 67 - function number
 3554 
  * eax = 67 - function number
3555 
  * ebx = new x-coordinate of the window
 3555 
  * ebx = new x-coordinate of the window
3556 
  * ecx = new y-coordinate of the window
 3556 
  * ecx = new y-coordinate of the window
3557 
  * edx = new x-size of the window
 3557 
  * edx = new x-size of the window
3558 
  * esi = new y-size of the window
 3558 
  * esi = new y-size of the window
3559 
Returned value:
 3559 
Returned value:
3560 
  * function does not return value
 3560 
  * function does not return value
3561 
Remarks:
 3561 
Remarks:
3562 
  * The value -1 for a parameter means "do not change"; e.g. to move
 3562 
  * The value -1 for a parameter means "do not change"; e.g. to move
3563 
    the window without resizing it is possible to specify edx=esi=-1.
 3563 
    the window without resizing it is possible to specify edx=esi=-1.
3564 
  * Previously the window must be defined by function 0.
 3564 
  * Previously the window must be defined by function 0.
3565 
    It sets initial coordinates and sizes of the window.
 3565 
    It sets initial coordinates and sizes of the window.
3566 
  * Sizes of the window are understood in sense of function 0,
 3566 
  * Sizes of the window are understood in sense of function 0,
3567 
    that is one pixel less than real sizes.
 3567 
    that is one pixel less than real sizes.
3568 
  * The function call for maximized windows is simply ignored.
 3568 
  * The function call for maximized windows is simply ignored.
3569 
  * For windows of appropriate styles position and/or sizes can be
 3569 
  * For windows of appropriate styles position and/or sizes can be
3570 
    changed by user; current position and sizes can be obtained by
 3570 
    changed by user; current position and sizes can be obtained by
3571 
    call to function 9.
 3571 
    call to function 9.
3572 
  * The function sends to the window redraw event (with the code 1).
 3572 
  * The function sends to the window redraw event (with the code 1).
3573 
 
 3573 
 
3574 
======================================================================
 3574 
======================================================================
3575 
====== Function 68, subfunction 0 - get the task switch counter. =====
 3575 
====== Function 68, subfunction 0 - get the task switch counter. =====
3576 
======================================================================
 3576 
======================================================================
3577 
Parameters:
 3577 
Parameters:
3578 
  * eax = 68 - function number
 3578 
  * eax = 68 - function number
3579 
  * ebx = 0 - subfunction number
 3579 
  * ebx = 0 - subfunction number
3580 
Returned value:
 3580 
Returned value:
3581 
  * eax = number of task switches from the system booting
 3581 
  * eax = number of task switches from the system booting
3582 
    (modulo 2^32)
 3582 
    (modulo 2^32)
3583 
 
 3583 
 
3584 
======================================================================
 3584 
======================================================================
3585 
======= Function 68, subfunction 1 - switch to the next thread. ======
 3585 
======= Function 68, subfunction 1 - switch to the next thread. ======
3586 
======================================================================
 3586 
======================================================================
3587 
The function completes the current time slice allocated to the
 3587 
The function completes the current time slice allocated to the
3588 
thread and switches to the next. (Which thread in which process
 3588 
thread and switches to the next. (Which thread in which process
3589 
will be next, is unpredictable). Later, when execution queue
 3589 
will be next, is unpredictable). Later, when execution queue
3590 
will reach the current thread, execution will be continued.
 3590 
will reach the current thread, execution will be continued.
3591 
Parameters:
 3591 
Parameters:
3592 
  * eax = 68 - function number
 3592 
  * eax = 68 - function number
3593 
  * ebx = 1 - subfunction number
 3593 
  * ebx = 1 - subfunction number
3594 
Returned value:
 3594 
Returned value:
3595 
  * function does not return value
 3595 
  * function does not return value
3596 
 
 3596 
 
3597 
======================================================================
 3597 
======================================================================
3598 
============= Function 68, subfunction 2 - cache + rdpmc. ============
 3598 
============= Function 68, subfunction 2 - cache + rdpmc. ============
3599 
======================================================================
 3599 
======================================================================
3600 
Parameters:
 3600 
Parameters:
3601 
  * eax = 68 - function number
 3601 
  * eax = 68 - function number
3602 
  * ebx = 2 - subfunction number
 3602 
  * ebx = 2 - subfunction number
3603 
  * ecx = required action:
 3603 
  * ecx = required action:
3604 
    * ecx = 0 - enable instruction 'rdpmc'
 3604 
    * ecx = 0 - enable instruction 'rdpmc'
3605 
      (ReaD Performance-Monitoring Counters) for applications
 3605 
      (ReaD Performance-Monitoring Counters) for applications
3606 
    * ecx = 1 - find out whether cache is disabled/enabled
 3606 
    * ecx = 1 - find out whether cache is disabled/enabled
3607 
    * ecx = 2 - enable cache
 3607 
    * ecx = 2 - enable cache
3608 
    * ecx = 3 - disable cache
 3608 
    * ecx = 3 - disable cache
3609 
Returned value:
 3609 
Returned value:
3610 
  * for ecx=0:
 3610 
  * for ecx=0:
3611 
    * eax = the value of cr4
 3611 
    * eax = the value of cr4
3612 
  * for ecx=1:
 3612 
  * for ecx=1:
3613 
    * eax = (cr0 and 0x60000000):
 3613 
    * eax = (cr0 and 0x60000000):
3614 
    * eax = 0 - cache is on
 3614 
    * eax = 0 - cache is on
3615 
    * eax <> 0 - cache is off
 3615 
    * eax <> 0 - cache is off
3616 
  * for ecx=2 and ecx=3:
 3616 
  * for ecx=2 and ecx=3:
3617 
    * function does not return value
 3617 
    * function does not return value
3618 
 
 3618 
 
3619 
======================================================================
 3619 
======================================================================
3620 
=========== Function 68, subfunction 3 - read MSR-register. ==========
 3620 
=========== Function 68, subfunction 3 - read MSR-register. ==========
3621 
======================================================================
 3621 
======================================================================
3622 
MSR = Model Specific Register; the complete list of MSR-registers
 3622 
MSR = Model Specific Register; the complete list of MSR-registers
3623 
of a processor is included to the documentation on it (for example,
 3623 
of a processor is included to the documentation on it (for example,
3624 
IA-32 Intel Architecture Software Developer's Manual,
 3624 
IA-32 Intel Architecture Software Developer's Manual,
3625 
Volume 3, Appendix B); each processor family has its own subset
 3625 
Volume 3, Appendix B); each processor family has its own subset
3626 
of the MSR-registers.
 3626 
of the MSR-registers.
3627 
Parameters:
 3627 
Parameters:
3628 
  * eax = 68 - function number
 3628 
  * eax = 68 - function number
3629 
  * ebx = 3 - subfunction number
 3629 
  * ebx = 3 - subfunction number
3630 
  * ecx is ignored
 3630 
  * ecx is ignored
3631 
  * edx = MSR address
 3631 
  * edx = MSR address
3632 
Returned value:
 3632 
Returned value:
3633 
  * ebx:eax = high:low dword of the result
 3633 
  * ebx:eax = high:low dword of the result
3634 
Remarks:
 3634 
Remarks:
3635 
  * If ecx contains nonexistent or not implemented for this processor
 3635 
  * If ecx contains nonexistent or not implemented for this processor
3636 
    MSR, processor will generate an exception in the kernel, which
 3636 
    MSR, processor will generate an exception in the kernel, which
3637 
    will kill the thread.
 3637 
    will kill the thread.
3638 
  * Previously it is necessary to check, whether MSRs are supported
 3638 
  * Previously it is necessary to check, whether MSRs are supported
3639 
    as a whole, with the instruction 'cpuid'. Otherwise processor
 3639 
    as a whole, with the instruction 'cpuid'. Otherwise processor
3640 
    will generate other exception in the kernel, which will anyway
 3640 
    will generate other exception in the kernel, which will anyway
3641 
    kill the thread.
 3641 
    kill the thread.
3642 
 
 3642 
 
3643 
======================================================================
 3643 
======================================================================
3644 
========= Function 68, subfunction 4 - write to MSR-register. ========
 3644 
========= Function 68, subfunction 4 - write to MSR-register. ========
3645 
======================================================================
 3645 
======================================================================
3646 
MSR = Model Specific Register; the complete list of MSR-registers
 3646 
MSR = Model Specific Register; the complete list of MSR-registers
3647 
of a processor is included to the documentation on it (for example,
 3647 
of a processor is included to the documentation on it (for example,
3648 
IA-32 Intel Architecture Software Developer's Manual,
 3648 
IA-32 Intel Architecture Software Developer's Manual,
3649 
Volume 3, Appendix B); each processor family has its own subset
 3649 
Volume 3, Appendix B); each processor family has its own subset
3650 
of the MSR-registers.
 3650 
of the MSR-registers.
3651 
Parameters:
 3651 
Parameters:
3652 
  * eax = 68 - function number
 3652 
  * eax = 68 - function number
3653 
  * ebx = 4 - subfunction number
 3653 
  * ebx = 4 - subfunction number
3654 
  * ecx is ignored
 3654 
  * ecx is ignored
3655 
  * edx = MSR address
 3655 
  * edx = MSR address
3656 
  * esi:edi = high:low dword
 3656 
  * esi:edi = high:low dword
3657 
Returned value:
 3657 
Returned value:
3658 
  * ebx:eax = copy of esi:edi
 3658 
  * ebx:eax = copy of esi:edi
3659 
Çàìå÷àíèÿ:
 3659 
Çàìå÷àíèÿ:
3660 
  * If ecx contains nonexistent or not implemented for this processor
 3660 
  * If ecx contains nonexistent or not implemented for this processor
3661 
    MSR, processor will generate an exception in the kernel, which
 3661 
    MSR, processor will generate an exception in the kernel, which
3662 
    will kill the thread.
 3662 
    will kill the thread.
3663 
  * Previously it is necessary to check, whether MSRs are supported
 3663 
  * Previously it is necessary to check, whether MSRs are supported
3664 
    as a whole, with the instruction 'cpuid'. Otherwise processor
 3664 
    as a whole, with the instruction 'cpuid'. Otherwise processor
3665 
    will generate other exception in the kernel, which will anyway
 3665 
    will generate other exception in the kernel, which will anyway
3666 
    kill the thread.
 3666 
    kill the thread.
3667 
 
 3667 
 
3668 
======================================================================
 3668 
======================================================================
3669 
======= Function 68, subfunction 5 - allocate physical memory. =======
 3669 
======= Function 68, subfunction 5 - allocate physical memory. =======
3670 
======================================================================
 3670 
======================================================================
3671 
Parameters:
 3671 
Parameters:
3672 
  * eax = 68 - function number
 3672 
  * eax = 68 - function number
3673 
  * ebx = 5 - subfunction number
 3673 
  * ebx = 5 - subfunction number
3674 
  * ecx = size (in bytes)
 3674 
  * ecx = size (in bytes)
3675 
Returned value:
 3675 
Returned value:
3676 
  * eax = physical address of allocated memory
 3676 
  * eax = physical address of allocated memory
3677 
Remarks:
 3677 
Remarks:
3678 
  * Normal applications must not use this function, it is intended
 3678 
  * Normal applications must not use this function, it is intended
3679 
    for the case, when for some device it is required to place
 3679 
    for the case, when for some device it is required to place
3680 
    data to the known physical address. (In effect, this function
 3680 
    data to the known physical address. (In effect, this function
3681 
    was developed for AC97WAV.)
 3681 
    was developed for AC97WAV.)
3682 
  * The number of blocks of physical memory is limited (by constant
 3682 
  * The number of blocks of physical memory is limited (by constant
3683 
    24, and this constant includes some blocks for kernel).
 3683 
    24, and this constant includes some blocks for kernel).
3684 
  * To free a memory allocated by such way use
 3684 
  * To free a memory allocated by such way use
3685 
    subfunction 6, to copy data there and back
 3685 
    subfunction 6, to copy data there and back
3686 
    use subfunctions 7 and 8.
 3686 
    use subfunctions 7 and 8.
3687 
 
 3687 
 
3688 
======================================================================
 3688 
======================================================================
3689 
========= Function 68, subfunction 6 - free physical memory. =========
 3689 
========= Function 68, subfunction 6 - free physical memory. =========
3690 
======================================================================
 3690 
======================================================================
3691 
Parameters:
 3691 
Parameters:
3692 
  * eax = 68 - function number
 3692 
  * eax = 68 - function number
3693 
  * ebx = 6 - subfunction number
 3693 
  * ebx = 6 - subfunction number
3694 
  * ecx = physical address of memory
 3694 
  * ecx = physical address of memory
3695 
Returned value:
 3695 
Returned value:
3696 
  * function does not return value
 3696 
  * function does not return value
3697 
Remarks:
 3697 
Remarks:
3698 
  * Normal applications must not use this function, it is intended
 3698 
  * Normal applications must not use this function, it is intended
3699 
    for the case, when for some device it is required to place
 3699 
    for the case, when for some device it is required to place
3700 
    data to the known physical address. (In effect, this function
 3700 
    data to the known physical address. (In effect, this function
3701 
    was developed for AC97WAV.)
 3701 
    was developed for AC97WAV.)
3702 
  * The memory must be previously allocated by subfunction 5.
 3702 
  * The memory must be previously allocated by subfunction 5.
3703 
 
 3703 
 
3704 
======================================================================
 3704 
======================================================================
3705 
===== Function 68, subfunction 7 - write data to physical memory. ====
 3705 
===== Function 68, subfunction 7 - write data to physical memory. ====
3706 
======================================================================
 3706 
======================================================================
3707 
Parameters:
 3707 
Parameters:
3708 
  * eax = 68 - function number
 3708 
  * eax = 68 - function number
3709 
  * ebx = 7 - subfunction number
 3709 
  * ebx = 7 - subfunction number
3710 
  * ecx = physical address
 3710 
  * ecx = physical address
3711 
  * edx = pointer to the data (in the application)
 3711 
  * edx = pointer to the data (in the application)
3712 
  * esi = size of the data (in bytes)
 3712 
  * esi = size of the data (in bytes)
3713 
Returned value:
 3713 
Returned value:
3714 
  * function does not return value
 3714 
  * function does not return value
3715 
Remarks:
 3715 
Remarks:
3716 
  * Normal applications must not use this function, it is intended
 3716 
  * Normal applications must not use this function, it is intended
3717 
    for the case, when for some device it is required to place
 3717 
    for the case, when for some device it is required to place
3718 
    data to the known physical address. (In effect, this function
 3718 
    data to the known physical address. (In effect, this function
3719 
    was developed for AC97WAV.)
 3719 
    was developed for AC97WAV.)
3720 
  * The range of physical addresses should lie inside of previously
 3720 
  * The range of physical addresses should lie inside of previously
3721 
    allocated by subfunction 5 block of physical memory.
 3721 
    allocated by subfunction 5 block of physical memory.
3722 
  * There is no check for correctness.
 3722 
  * There is no check for correctness.
3723 
 
 3723 
 
3724 
======================================================================
 3724 
======================================================================
3725 
==== Function 68, subfunction 8 - read data from physical memory. ====
 3725 
==== Function 68, subfunction 8 - read data from physical memory. ====
3726 
======================================================================
 3726 
======================================================================
3727 
Parameters:
 3727 
Parameters:
3728 
  * eax = 68 - function number
 3728 
  * eax = 68 - function number
3729 
  * ebx = 8 - subfunction number
 3729 
  * ebx = 8 - subfunction number
3730 
  * ecx = physical address
 3730 
  * ecx = physical address
3731 
  * edx = pointer to buffer for data (in application)
 3731 
  * edx = pointer to buffer for data (in application)
3732 
  * esi = size of data (in bytes)
 3732 
  * esi = size of data (in bytes)
3733 
Returned value:
 3733 
Returned value:
3734 
  * function does not return value
 3734 
  * function does not return value
3735 
Remarks:
 3735 
Remarks:
3736 
  * Normal applications must not use this function, it is intended
 3736 
  * Normal applications must not use this function, it is intended
3737 
    for the case, when for some device it is required to place
 3737 
    for the case, when for some device it is required to place
3738 
    data to the known physical address. (In effect, this function
 3738 
    data to the known physical address. (In effect, this function
3739 
    was developed for AC97WAV.)
 3739 
    was developed for AC97WAV.)
3740 
  * The range of physical addresses should lie inside of previously
 3740 
  * The range of physical addresses should lie inside of previously
3741 
    allocated by subfunction 5 block of physical memory.
 3741 
    allocated by subfunction 5 block of physical memory.
3742 
  * There is no check for correctness.
 3742 
  * There is no check for correctness.
3743 
 
 3743 
 
3744 
======================================================================
 3744 
======================================================================
3745 
====================== Fucntion 69 - debugging. ======================
 3745 
====================== Fucntion 69 - debugging. ======================
3746 
======================================================================
 3746 
======================================================================
3747 
A process can load other process as debugged by set of corresponding
 3747 
A process can load other process as debugged by set of corresponding
3748 
bit by call to subfunction 16 of function 58
 3748 
bit by call to subfunction 16 of function 58
3749 
or subfunction 7 of function 70.
 3749 
or subfunction 7 of function 70.
3750 
A process can have only one debugger; one process can debug some
 3750 
A process can have only one debugger; one process can debug some
3751 
others. The system notifies debugger on events occuring with
 3751 
others. The system notifies debugger on events occuring with
3752 
debugged process. Messages are written to the buffer defined by
 3752 
debugged process. Messages are written to the buffer defined by
3753 
subfunction 0.
 3753 
subfunction 0.
3754 
Format of a message:
 3754 
Format of a message:
3755 
  * +0: dword: message code
 3755 
  * +0: dword: message code
3756 
  * +4: dword: PID of debugged process
 3756 
  * +4: dword: PID of debugged process
3757 
  * +8: there can be additional data depending on message code
 3757 
  * +8: there can be additional data depending on message code
3758 
Message codes:
 3758 
Message codes:
3759 
  * 1 = exception
 3759 
  * 1 = exception
3760 
    * in addition dword-number of the exception is given
 3760 
    * in addition dword-number of the exception is given
3761 
    * process is suspended
 3761 
    * process is suspended
3762 
  * 2 = process has terminated
 3762 
  * 2 = process has terminated
3763 
    * comes at any termination: both through the system function -1,
 3763 
    * comes at any termination: both through the system function -1,
3764 
      and at "murder" by any other process (including debugger itself)
 3764 
      and at "murder" by any other process (including debugger itself)
3765 
  * 3 = debug exception int 1 = #DB
 3765 
  * 3 = debug exception int 1 = #DB
3766 
    * in addition dword-image of the register DR6 is given:
 3766 
    * in addition dword-image of the register DR6 is given:
3767 
      * bits 0-3: condition of the corresponding breakpoint (set by
 3767 
      * bits 0-3: condition of the corresponding breakpoint (set by
3768 
        subfunction 9) is satisfied
 3768 
        subfunction 9) is satisfied
3769 
      * áèò 14: exception has occured because of the trace mode
 3769 
      * áèò 14: exception has occured because of the trace mode
3770 
        (flag TF is set TF)
 3770 
        (flag TF is set TF)
3771 
    * process is suspended
 3771 
    * process is suspended
3772 
When debugger terminates, all debugged processes are killed.
 3772 
When debugger terminates, all debugged processes are killed.
3773 
If debugger does not want this, it must previously detach by
 3773 
If debugger does not want this, it must previously detach by
3774 
subfunction 3.
 3774 
subfunction 3.
3775 
 
 3775 
 
3776 
All subfunctions are applicable only to processes/threads started
 3776 
All subfunctions are applicable only to processes/threads started
3777 
from the current by function 58 or 70 with set debugging flag.
 3777 
from the current by function 58 or 70 with set debugging flag.
3778 
Debugging of multithreaded programs is not supported yet.
 3778 
Debugging of multithreaded programs is not supported yet.
3779 
The full list of subfunctions:
 3779 
The full list of subfunctions:
3780 
  * subfunction 0 - define data area for debug messages
 3780 
  * subfunction 0 - define data area for debug messages
3781 
  * subfunction 1 - get contents of registers of debugged thread
 3781 
  * subfunction 1 - get contents of registers of debugged thread
3782 
  * subfunction 2 - set contents of registers of debugged thread
 3782 
  * subfunction 2 - set contents of registers of debugged thread
3783 
  * subfunction 3 - detach from debugged process
 3783 
  * subfunction 3 - detach from debugged process
3784 
  * subfunction 4 - suspend debugged thread
 3784 
  * subfunction 4 - suspend debugged thread
3785 
  * subfunction 5 - resume debugged thread
 3785 
  * subfunction 5 - resume debugged thread
3786 
  * subfunction 6 - read from the memory of debugged process
 3786 
  * subfunction 6 - read from the memory of debugged process
3787 
  * subfunction 7 - write to the memory of debugged process
 3787 
  * subfunction 7 - write to the memory of debugged process
3788 
  * subfunction 8 - terminate debugged thread
 3788 
  * subfunction 8 - terminate debugged thread
3789 
  * subfunction 9 - set/clear hardware breakpoint
 3789 
  * subfunction 9 - set/clear hardware breakpoint
3790 
 
 3790 
 
3791 
======================================================================
 3791 
======================================================================
3792 
= Function 69, subfunction 0 - define data area fror debug messages. =
 3792 
= Function 69, subfunction 0 - define data area fror debug messages. =
3793 
======================================================================
 3793 
======================================================================
3794 
Parameters:
 3794 
Parameters:
3795 
  * eax = 69 - function number
 3795 
  * eax = 69 - function number
3796 
  * ebx = 0 - subfunction number
 3796 
  * ebx = 0 - subfunction number
3797 
  * ecx = pointer
 3797 
  * ecx = pointer
3798 
Format of data area:
 3798 
Format of data area:
3799 
  * +0: dword: N = buffer size (not including this header)
 3799 
  * +0: dword: N = buffer size (not including this header)
3800 
  * +4: dword: occupied place
 3800 
  * +4: dword: occupied place
3801 
  * +8: N*byte: buffer
 3801 
  * +8: N*byte: buffer
3802 
Returned value:
 3802 
Returned value:
3803 
  * function does not return value
 3803 
  * function does not return value
3804 
Remarks:
 3804 
Remarks:
3805 
  * If the size field is negative, the buffer is considered locked
 3805 
  * If the size field is negative, the buffer is considered locked
3806 
    and at arrival of new message the system will wait.
 3806 
    and at arrival of new message the system will wait.
3807 
    For synchronization frame all work with the buffer by operations
 3807 
    For synchronization frame all work with the buffer by operations
3808 
    lock/unlock
 3808 
    lock/unlock
3809 
    	neg	[bufsize]
 3809 
    	neg	[bufsize]
3810 
  * Data in the buffer are considered as array of items with variable
 3810 
  * Data in the buffer are considered as array of items with variable
3811 
    length - messages. Format of a message is explained in
 3811 
    length - messages. Format of a message is explained in
3812 
    general description.
 3812 
    general description.
3813 
 
 3813 
 
3814 
======================================================================
 3814 
======================================================================
3815 
===================== Function 69, subfunction 1 =====================
 3815 
===================== Function 69, subfunction 1 =====================
3816 
============ Get contents of registers of debugged thread. ===========
 3816 
============ Get contents of registers of debugged thread. ===========
3817 
======================================================================
 3817 
======================================================================
3818 
Parameters:
 3818 
Parameters:
3819 
  * eax = 69 - function number
 3819 
  * eax = 69 - function number
3820 
  * ebx = 1 - subfunction number
 3820 
  * ebx = 1 - subfunction number
3821 
  * ecx = thread identifier
 3821 
  * ecx = thread identifier
3822 
  * edx = size of context structure, must be 0x28=40 bytes
 3822 
  * edx = size of context structure, must be 0x28=40 bytes
3823 
  * esi = pointer to context structure
 3823 
  * esi = pointer to context structure
3824 
Returned value:
 3824 
Returned value:
3825 
  * function does not return value
 3825 
  * function does not return value
3826 
Format of context structure: (FPU is not supported yet)
 3826 
Format of context structure: (FPU is not supported yet)
3827 
  * +0: dword: eip
 3827 
  * +0: dword: eip
3828 
  * +4: dword: eflags
 3828 
  * +4: dword: eflags
3829 
  * +8: dword: eax
 3829 
  * +8: dword: eax
3830 
  * +12 = +0xC: dword: ecx
 3830 
  * +12 = +0xC: dword: ecx
3831 
  * +16 = +0x10: dword: edx
 3831 
  * +16 = +0x10: dword: edx
3832 
  * +20 = +0x14: dword: ebx
 3832 
  * +20 = +0x14: dword: ebx
3833 
  * +24 = +0x18: dword: esp
 3833 
  * +24 = +0x18: dword: esp
3834 
  * +28 = +0x1C: dword: ebp
 3834 
  * +28 = +0x1C: dword: ebp
3835 
  * +32 = +0x20: dword: esi
 3835 
  * +32 = +0x20: dword: esi
3836 
  * +36 = +0x24: dword: edi
 3836 
  * +36 = +0x24: dword: edi
3837 
Remarks:
 3837 
Remarks:
3838 
  * If the thread executes code of ring-0, the function returns
 3838 
  * If the thread executes code of ring-0, the function returns
3839 
    contents of registers of ring-3.
 3839 
    contents of registers of ring-3.
3840 
  * Process must be loaded for debugging (as is shown in
 3840 
  * Process must be loaded for debugging (as is shown in
3841 
    general description).
 3841 
    general description).
3842 
 
 3842 
 
3843 
======================================================================
 3843 
======================================================================
3844 
===================== Function 69, subfunction 2 =====================
 3844 
===================== Function 69, subfunction 2 =====================
3845 
============ Set contents of registers of debugged thread. ===========
 3845 
============ Set contents of registers of debugged thread. ===========
3846 
======================================================================
 3846 
======================================================================
3847 
Parameters:
 3847 
Parameters:
3848 
  * eax = 69 - function number
 3848 
  * eax = 69 - function number
3849 
  * ebx = 2 - subfunction number
 3849 
  * ebx = 2 - subfunction number
3850 
  * ecx = thread identifier
 3850 
  * ecx = thread identifier
3851 
  * edx = size of context structure, must be 0x28=40 bytes
 3851 
  * edx = size of context structure, must be 0x28=40 bytes
3852 
Returned value:
 3852 
Returned value:
3853 
  * function does not return value
 3853 
  * function does not return value
3854 
Format of context structure is shown in the description of
 3854 
Format of context structure is shown in the description of
3855 
subfunction 1.
 3855 
subfunction 1.
3856 
Remarks:
 3856 
Remarks:
3857 
  * If the thread executes code of ring-0, the function returns
 3857 
  * If the thread executes code of ring-0, the function returns
3858 
    contents of registers of ring-3.
 3858 
    contents of registers of ring-3.
3859 
  * Process must be loaded for debugging (as is shown in
 3859 
  * Process must be loaded for debugging (as is shown in
3860 
    general description).
 3860 
    general description).
3861 
 
 3861 
 
3862 
======================================================================
 3862 
======================================================================
3863 
===== Function 69, subfunction 3 - detach from debugged process. =====
 3863 
===== Function 69, subfunction 3 - detach from debugged process. =====
3864 
======================================================================
 3864 
======================================================================
3865 
Parameters:
 3865 
Parameters:
3866 
  * eax = 69 - function number
 3866 
  * eax = 69 - function number
3867 
  * ebx = 3 - subfunction number
 3867 
  * ebx = 3 - subfunction number
3868 
  * ecx = identifier
 3868 
  * ecx = identifier
3869 
Returned value:
 3869 
Returned value:
3870 
  * function does not return value
 3870 
  * function does not return value
3871 
Remarks:
 3871 
Remarks:
3872 
  * If the process was suspended, it resumes execution.
 3872 
  * If the process was suspended, it resumes execution.
3873 
 
 3873 
 
3874 
======================================================================
 3874 
======================================================================
3875 
======== Function 69, subfunction 4 - suspend debugged thread. =======
 3875 
======== Function 69, subfunction 4 - suspend debugged thread. =======
3876 
======================================================================
 3876 
======================================================================
3877 
Parameters:
 3877 
Parameters:
3878 
  * eax = 69 - function number
 3878 
  * eax = 69 - function number
3879 
  * ebx = 4 - subfunction number
 3879 
  * ebx = 4 - subfunction number
3880 
  * ecx = thread identifier
 3880 
  * ecx = thread identifier
3881 
Returned value:
 3881 
Returned value:
3882 
  * function does not return value
 3882 
  * function does not return value
3883 
Remarks:
 3883 
Remarks:
3884 
  * Process must be loaded for debugging (as is shown in
 3884 
  * Process must be loaded for debugging (as is shown in
3885 
    general description).
 3885 
    general description).
3886 
 
 3886 
 
3887 
======================================================================
 3887 
======================================================================
3888 
======== Function 69, subfunction 5 - resume debugged thread. ========
 3888 
======== Function 69, subfunction 5 - resume debugged thread. ========
3889 
======================================================================
 3889 
======================================================================
3890 
Parameters:
 3890 
Parameters:
3891 
  * eax = 69 - function number
 3891 
  * eax = 69 - function number
3892 
  * ebx = 5 - subfunction number
 3892 
  * ebx = 5 - subfunction number
3893 
  * ecx = thread identifier
 3893 
  * ecx = thread identifier
3894 
Returned value:
 3894 
Returned value:
3895 
  * function does not return value
 3895 
  * function does not return value
3896 
Remarks:
 3896 
Remarks:
3897 
  * Process must be loaded for debugging (as is shown in
 3897 
  * Process must be loaded for debugging (as is shown in
3898 
    general description).
 3898 
    general description).
3899 
 
 3899 
 
3900 
======================================================================
 3900 
======================================================================
3901 
= Fucntion 69, subfunction 6 - read from memory of debugged process. =
 3901 
= Fucntion 69, subfunction 6 - read from memory of debugged process. =
3902 
======================================================================
 3902 
======================================================================
3903 
Parameters:
 3903 
Parameters:
3904 
  * eax = 69 - function number
 3904 
  * eax = 69 - function number
3905 
  * ebx = 6 - subfunction number
 3905 
  * ebx = 6 - subfunction number
3906 
  * ecx = identifier
 3906 
  * ecx = identifier
3907 
  * edx = number of bytes to read
 3907 
  * edx = number of bytes to read
3908 
  * esi = address in the memory of debugged process
 3908 
  * esi = address in the memory of debugged process
3909 
  * edi = pointer to buffer for data
 3909 
  * edi = pointer to buffer for data
3910 
Returned value:
 3910 
Returned value:
3911 
  * eax = -1 at an error (invalid PID or buffer)
 3911 
  * eax = -1 at an error (invalid PID or buffer)
3912 
  * otherwise eax = number of read bytes (possibly, 0,
 3912 
  * otherwise eax = number of read bytes (possibly, 0,
3913 
    if esi is too large)
 3913 
    if esi is too large)
3914 
Remarks:
 3914 
Remarks:
3915 
  * Process must be loaded for debugging (as is shown in
 3915 
  * Process must be loaded for debugging (as is shown in
3916 
    general description).
 3916 
    general description).
3917 
 
 3917 
 
3918 
======================================================================
 3918 
======================================================================
3919 
== Function 69, subfunction 7 - write to memory of debugged process. =
 3919 
== Function 69, subfunction 7 - write to memory of debugged process. =
3920 
======================================================================
 3920 
======================================================================
3921 
Parameters:
 3921 
Parameters:
3922 
  * eax = 69 - function number
 3922 
  * eax = 69 - function number
3923 
  * ebx = 7 - subfunction number
 3923 
  * ebx = 7 - subfunction number
3924 
  * ecx = identifier
 3924 
  * ecx = identifier
3925 
  * edx = number of bytes to write
 3925 
  * edx = number of bytes to write
3926 
  * esi = address of memory in debugged process
 3926 
  * esi = address of memory in debugged process
3927 
  * edi = pointer to data
 3927 
  * edi = pointer to data
3928 
Returned value:
 3928 
Returned value:
3929 
  * eax = -1 at an error (invalid PID or buffer)
 3929 
  * eax = -1 at an error (invalid PID or buffer)
3930 
  * otherwise eax = number of written bytes (possibly, 0,
 3930 
  * otherwise eax = number of written bytes (possibly, 0,
3931 
    if esi is too large)
 3931 
    if esi is too large)
3932 
Remarks:
 3932 
Remarks:
3933 
  * Process must be loaded for debugging (as is shown in
 3933 
  * Process must be loaded for debugging (as is shown in
3934 
    general description).
 3934 
    general description).
3935 
 
 3935 
 
3936 
======================================================================
 3936 
======================================================================
3937 
======= Function 69, subfunction 8 - terminate debugged thread. ======
 3937 
======= Function 69, subfunction 8 - terminate debugged thread. ======
3938 
======================================================================
 3938 
======================================================================
3939 
Parameters:
 3939 
Parameters:
3940 
  * eax = 69 - function number
 3940 
  * eax = 69 - function number
3941 
  * ebx = 8 - subfunction number
 3941 
  * ebx = 8 - subfunction number
3942 
  * ecx = identifier
 3942 
  * ecx = identifier
3943 
Returned value:
 3943 
Returned value:
3944 
  * function does not return value
 3944 
  * function does not return value
3945 
Remarks:
 3945 
Remarks:
3946 
  * Process must be loaded for debugging (as is shown in
 3946 
  * Process must be loaded for debugging (as is shown in
3947 
    general description).
 3947 
    general description).
3948 
  * The function is similar to subfunction 2 of function 18
 3948 
  * The function is similar to subfunction 2 of function 18
3949 
    with two differences: it requires first remark and
 3949 
    with two differences: it requires first remark and
3950 
    accepts PID rather than slot number.
 3950 
    accepts PID rather than slot number.
3951 
 
 3951 
 
3952 
======================================================================
 3952 
======================================================================
3953 
===== Function 69, subfunction 9 - set/clear hardware breakpoint. ====
 3953 
===== Function 69, subfunction 9 - set/clear hardware breakpoint. ====
3954 
======================================================================
 3954 
======================================================================
3955 
Parameters:
 3955 
Parameters:
3956 
  * eax = 69 - function number
 3956 
  * eax = 69 - function number
3957 
  * ebx = 9 - subfunction number
 3957 
  * ebx = 9 - subfunction number
3958 
  * ecx = thread identifier
 3958 
  * ecx = thread identifier
3959 
  * dl = index of breakpoint, from 0 to 3 inclusively
 3959 
  * dl = index of breakpoint, from 0 to 3 inclusively
3960 
  * dh = flags:
 3960 
  * dh = flags:
3961 
    * if high bit is cleared - set breakpoint:
 3961 
    * if high bit is cleared - set breakpoint:
3962 
      * bits 0-1 - condition:
 3962 
      * bits 0-1 - condition:
3963 
        * 00 = breakpoint on execution
 3963 
        * 00 = breakpoint on execution
3964 
        * 01 = breakpoint on read
 3964 
        * 01 = breakpoint on read
3965 
        * 11 = breakpoint on read/write
 3965 
        * 11 = breakpoint on read/write
3966 
      * bits 2-3 - length; for breakpoints on exception it must be
 3966 
      * bits 2-3 - length; for breakpoints on exception it must be
3967 
        00, otherwise one of
 3967 
        00, otherwise one of
3968 
        * 00 = byte
 3968 
        * 00 = byte
3969 
        * 01 = word
 3969 
        * 01 = word
3970 
        * 11 = dword
 3970 
        * 11 = dword
3971 
      * esi = breakpoint address; must be aligned according to
 3971 
      * esi = breakpoint address; must be aligned according to
3972 
        the length (i.e. must be even for word breakpoints,
 3972 
        the length (i.e. must be even for word breakpoints,
3973 
        divisible by 4 for dword)
 3973 
        divisible by 4 for dword)
3974 
    * if high bit is set - clear breakpoint
 3974 
    * if high bit is set - clear breakpoint
3975 
Returned value:
 3975 
Returned value:
3976 
  * eax = 0 - success
 3976 
  * eax = 0 - success
3977 
  * eax = 1 - error in the input data
 3977 
  * eax = 1 - error in the input data
3978 
  * eax = 2 - (reserved, is never returned in the current
 3978 
  * eax = 2 - (reserved, is never returned in the current
3979 
    implementation) a global breakpoint with that index is already set
 3979 
    implementation) a global breakpoint with that index is already set
3980 
Remarks:
 3980 
Remarks:
3981 
  * Process must be loaded for debugging (as is shown in
 3981 
  * Process must be loaded for debugging (as is shown in
3982 
    general description).
 3982 
    general description).
3983 
  * Hardware breakpoints are implemented through DRx-registers of
 3983 
  * Hardware breakpoints are implemented through DRx-registers of
3984 
    the processor, all limitations results from this.
 3984 
    the processor, all limitations results from this.
3985 
  * The function can reinstall the breakpoint, previously set
 3985 
  * The function can reinstall the breakpoint, previously set
3986 
    by it (and it does not inform on this).
 3986 
    by it (and it does not inform on this).
3987 
    Carry on the list of set breakpoints in the debugger.
 3987 
    Carry on the list of set breakpoints in the debugger.
3988 
  * Breakpoints generate debug exception #DB, on which the system
 3988 
  * Breakpoints generate debug exception #DB, on which the system
3989 
    notifies debugger.
 3989 
    notifies debugger.
3990 
  * Breakpoints on write and read/write act after
 3990 
  * Breakpoints on write and read/write act after
3991 
    execution of the caused it instruction.
 3991 
    execution of the caused it instruction.
3992 
 
 3992 
 
3993 
======================================================================
 3993 
======================================================================
3994 
==== Function 70 - work with file system with long names support. ====
 3994 
==== Function 70 - work with file system with long names support. ====
3995 
======================================================================
 3995 
======================================================================
3996 
Parameters:
 3996 
Parameters:
3997 
  * eax = 70
 3997 
  * eax = 70
3998 
  * ebx = pointer to the information structure
 3998 
  * ebx = pointer to the information structure
3999 
Returned value:
 3999 
Returned value:
4000 
  * eax = 0 - success; otherwise file system error code
 4000 
  * eax = 0 - success; otherwise file system error code
4001 
  * some subfunctions return value in other registers too
 4001 
  * some subfunctions return value in other registers too
4002 
General format of the information structure:
 4002 
General format of the information structure:
4003 
  * +0: dword: subfunction number
 4003 
  * +0: dword: subfunction number
4004 
  * +4: dword: file offset
 4004 
  * +4: dword: file offset
4005 
  * +8: dword: high dword of offset (must be 0) or flags field
 4005 
  * +8: dword: high dword of offset (must be 0) or flags field
4006 
  * +12 = +0xC: dword: size
 4006 
  * +12 = +0xC: dword: size
4007 
  * +16 = +0x10: dword: pointer to data
 4007 
  * +16 = +0x10: dword: pointer to data
4008 
  * +20 = +0x14: n db: ASCIIZ-string with the filename
 4008 
  * +20 = +0x14: n db: ASCIIZ-string with the filename
4009 
    or
 4009 
    or
4010 
  * +20 = +0x14: db 0
 4010 
  * +20 = +0x14: db 0
4011 
  * +21 = +0x15: dd pointer to ASCIIZ-string with the filename
 4011 
  * +21 = +0x15: dd pointer to ASCIIZ-string with the filename
4012 
Specifications - in documentation on the appropriate subfunction.
 4012 
Specifications - in documentation on the appropriate subfunction.
4013 
Filename is case-insensitive. Russian letters must be written in
 4013 
Filename is case-insensitive. Russian letters must be written in
4014 
the encoding cp866 (DOS).
 4014 
the encoding cp866 (DOS).
4015 
Format of filename:
 4015 
Format of filename:
4016 
/base/number/dir1/dir2/.../dirn/file,
 4016 
/base/number/dir1/dir2/.../dirn/file,
4017 
where /base/number identifies device, on which file is located:
 4017 
where /base/number identifies device, on which file is located:
4018 
one of
 4018 
one of
4019 
  * /RD/1 = /RAMDISK/1 to access ramdisk
 4019 
  * /RD/1 = /RAMDISK/1 to access ramdisk
4020 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
 4020 
  * /FD/1 = /FLOPPYDISK/1 to access first floppy drive,
4021 
    /FD/2 = /FLOPPYDISK/2 to access second one
 4021 
    /FD/2 = /FLOPPYDISK/2 to access second one
4022 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
 4022 
  * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices
4023 
    IDE0 (Primary Master), IDE1 (Primary Slave),
 4023 
    IDE0 (Primary Master), IDE1 (Primary Slave),
4024 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
 4024 
    IDE2 (Secondary Master), IDE3 (Secondary Slave);
4025 
    x - partition number on the selected hard drive, varies from 1
 4025 
    x - partition number on the selected hard drive, varies from 1
4026 
    to 255 (on each hard drive the indexing starts from 1)
 4026 
    to 255 (on each hard drive the indexing starts from 1)
4027 
  * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to
 4027 
  * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to
4028 
    CD on IDE0 (Primary Master), IDE1 (Primary Slave),
 4028 
    CD on IDE0 (Primary Master), IDE1 (Primary Slave),
4029 
    IDE2 (Secondary Master), IDE3 (Secondary Slave)
 4029 
    IDE2 (Secondary Master), IDE3 (Secondary Slave)
4030 
Examples:
 4030 
Examples:
4031 
  * '/rd/1/kernel.asm',0
 4031 
  * '/rd/1/kernel.asm',0
4032 
  * '/HD0/1/kernel.asm',0
 4032 
  * '/HD0/1/kernel.asm',0
4033 
  * '/hd0/2/menuet/pics/tanzania.bmp',0
 4033 
  * '/hd0/2/menuet/pics/tanzania.bmp',0
4034 
  * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0
 4034 
  * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0
4035 
Available subfunctions:
 4035 
Available subfunctions:
4036 
  * subfunction 0 - read file
 4036 
  * subfunction 0 - read file
4037 
  * subfunction 1 - read folder
 4037 
  * subfunction 1 - read folder
4038 
  * subfunction 2 - create/rewrite file
 4038 
  * subfunction 2 - create/rewrite file
4039 
  * subfunction 3 - write to existing file
 4039 
  * subfunction 3 - write to existing file
4040 
  * subfunction 4 - set file size
 4040 
  * subfunction 4 - set file size
4041 
  * subfunction 5 - get attributes of file/folder
 4041 
  * subfunction 5 - get attributes of file/folder
4042 
  * subfunction 6 - set attributes of file/folder
 4042 
  * subfunction 6 - set attributes of file/folder
4043 
  * subfunction 7 - start application
 4043 
  * subfunction 7 - start application
4044 
For CD-drives due to hardware limitations only subfunctions
 4044 
For CD-drives due to hardware limitations only subfunctions
4045 
0,1,5 and 7 are available, other subfunctions return error
 4045 
0,1,5 and 7 are available, other subfunctions return error
4046 
with code 2.
 4046 
with code 2.
4047 
 
 4047 
 
4048 
======================================================================
 4048 
======================================================================
4049 
=== Function 70, subfunction 0 - read file with long names support. ==
 4049 
=== Function 70, subfunction 0 - read file with long names support. ==
4050 
======================================================================
 4050 
======================================================================
4051 
Parameters:
 4051 
Parameters:
4052 
  * eax = 70 - function number
 4052 
  * eax = 70 - function number
4053 
  * ebx = pointer to the information structure
 4053 
  * ebx = pointer to the information structure
4054 
Format of the information structure:
 4054 
Format of the information structure:
4055 
  * +0: dword: 0 = subfunction number
 4055 
  * +0: dword: 0 = subfunction number
4056 
  * +4: dword: file offset (in bytes)
 4056 
  * +4: dword: file offset (in bytes)
4057 
  * +8: dword: 0 (reserved for high dword of offset)
 4057 
  * +8: dword: 0 (reserved for high dword of offset)
4058 
  * +12 = +0xC: dword: number of bytes to read
 4058 
  * +12 = +0xC: dword: number of bytes to read
4059 
  * +16 = +0x10: dword: pointer to buffer for data
 4059 
  * +16 = +0x10: dword: pointer to buffer for data
4060 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4060 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4061 
    given in the general description
 4061 
    given in the general description
4062 
    or
 4062 
    or
4063 
  * +20 = +0x14: db 0
 4063 
  * +20 = +0x14: db 0
4064 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4064 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4065 
Returned value:
 4065 
Returned value:
4066 
  * eax = 0 - success, otherwise file system error code
 4066 
  * eax = 0 - success, otherwise file system error code
4067 
  * ebx = number of read bytes or -1=0xffffffff if file was not found
 4067 
  * ebx = number of read bytes or -1=0xffffffff if file was not found
4068 
Remarks:
 4068 
Remarks:
4069 
  * If file was ended before last requested block was read,
 4069 
  * If file was ended before last requested block was read,
4070 
    the function will read as many as it can, and after that return
 4070 
    the function will read as many as it can, and after that return
4071 
    eax=6 (EOF).
 4071 
    eax=6 (EOF).
4072 
  * The function does not allow to read folder (returns eax=10,
 4072 
  * The function does not allow to read folder (returns eax=10,
4073 
    access denied).
 4073 
    access denied).
4074 
 
 4074 
 
4075 
======================================================================
 4075 
======================================================================
4076 
== Function 70, subfunction 1 - read folder with long names support. =
 4076 
== Function 70, subfunction 1 - read folder with long names support. =
4077 
======================================================================
 4077 
======================================================================
4078 
Parameters:
 4078 
Parameters:
4079 
  * eax = 70 - function number
 4079 
  * eax = 70 - function number
4080 
  * ebx = pointer to the information structure
 4080 
  * ebx = pointer to the information structure
4081 
Format of the information structure:
 4081 
Format of the information structure:
4082 
  * +0: dword: 1 = subfunction number
 4082 
  * +0: dword: 1 = subfunction number
4083 
  * +4: dword: index of starting block (beginning from 0)
 4083 
  * +4: dword: index of starting block (beginning from 0)
4084 
  * +8: dword: flags field:
 4084 
  * +8: dword: flags field:
4085 
    * bit 0 (mask 1): in what format to return names,
 4085 
    * bit 0 (mask 1): in what format to return names,
4086 
      0=ANSI, 1=UNICODE
 4086 
      0=ANSI, 1=UNICODE
4087 
    * other bits are reserved and must be set to 0 for the future
 4087 
    * other bits are reserved and must be set to 0 for the future
4088 
      compatibility
 4088 
      compatibility
4089 
  * +12 = +0xC: dword: number of blocks to read
 4089 
  * +12 = +0xC: dword: number of blocks to read
4090 
  * +16 = +0x10: dword: pointer to buffer for data, buffer size
 4090 
  * +16 = +0x10: dword: pointer to buffer for data, buffer size
4091 
    must be not less than 32 + [+12]*560 bytes
 4091 
    must be not less than 32 + [+12]*560 bytes
4092 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
 4092 
  * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
4093 
    given in the general description
 4093 
    given in the general description
4094 
    or
 4094 
    or
4095 
  * +20 = +0x14: db 0
 4095 
  * +20 = +0x14: db 0
4096 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4096 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4097 
Returned value:
 4097 
Returned value:
4098 
  * eax = 0 - success, otherwise file system error code
 4098 
  * eax = 0 - success, otherwise file system error code
4099 
  * ebx = number of files, information on which was written to
 4099 
  * ebx = number of files, information on which was written to
4100 
    the buffer, or -1=0xffffffff, if folder was not found
 4100 
    the buffer, or -1=0xffffffff, if folder was not found
4101 
Structure of the buffer:
 4101 
Structure of the buffer:
4102 
  * +0: 32*byte: header
 4102 
  * +0: 32*byte: header
4103 
  * +32 = +0x20: n1*byte: block with information on file 1
 4103 
  * +32 = +0x20: n1*byte: block with information on file 1
4104 
  * +32+n1: n2*byte: block with information on file 2
 4104 
  * +32+n1: n2*byte: block with information on file 2
4105 
  * ...
 4105 
  * ...
4106 
Structure of header:
 4106 
Structure of header:
4107 
  * +0: dword: version of structure (current is 1)
 4107 
  * +0: dword: version of structure (current is 1)
4108 
  * +4: dword: number of placed blocks; is not greater than requested
 4108 
  * +4: dword: number of placed blocks; is not greater than requested
4109 
    in the field +12 of information structure; can be less, if
 4109 
    in the field +12 of information structure; can be less, if
4110 
    there are no more files in folder (the same as in ebx)
 4110 
    there are no more files in folder (the same as in ebx)
4111 
  * +8: dword: total number of files in folder
 4111 
  * +8: dword: total number of files in folder
4112 
  * +12 = +0xC: 20*byte: reserved (zeroed)
 4112 
  * +12 = +0xC: 20*byte: reserved (zeroed)
4113 
Structure of block of data for folder entry (BDFE):
 4113 
Structure of block of data for folder entry (BDFE):
4114 
  * +0: dword: attributes of file:
 4114 
  * +0: dword: attributes of file:
4115 
    * bit 0 (mask 1): file is read-only
 4115 
    * bit 0 (mask 1): file is read-only
4116 
    * bit 1 (mask 2): file is hidden
 4116 
    * bit 1 (mask 2): file is hidden
4117 
    * bit 2 (mask 4): file is system
 4117 
    * bit 2 (mask 4): file is system
4118 
    * bit 3 (mask 8): this is not a file but volume label
 4118 
    * bit 3 (mask 8): this is not a file but volume label
4119 
      (for one partition meets no more than once and
 4119 
      (for one partition meets no more than once and
4120 
      only in root folder)
 4120 
      only in root folder)
4121 
    * bit 4 (mask 0x10): this is a folder
 4121 
    * bit 4 (mask 0x10): this is a folder
4122 
    * bit 5 (mask 0x20): file was not archived - many archivation
 4122 
    * bit 5 (mask 0x20): file was not archived - many archivation
4123 
      programs have an option to archive only files with this bit set,
 4123 
      programs have an option to archive only files with this bit set,
4124 
      and after archiving this bit is cleared - it can be useful
 4124 
      and after archiving this bit is cleared - it can be useful
4125 
      for automatically creating of backup-archives as at writing
 4125 
      for automatically creating of backup-archives as at writing
4126 
      this bit is usually set
 4126 
      this bit is usually set
4127 
  * +4: byte: type of name data:
 4127 
  * +4: byte: type of name data:
4128 
    (coincides with bit 0 of flags in the information structure)
 4128 
    (coincides with bit 0 of flags in the information structure)
4129 
    * 0 = ASCII = 1-byte representation of each character
 4129 
    * 0 = ASCII = 1-byte representation of each character
4130 
    * 1 = UNICODE = 2-byte representation of each character
 4130 
    * 1 = UNICODE = 2-byte representation of each character
4131 
  * +5: 3*byte: reserved (zero)
 4131 
  * +5: 3*byte: reserved (zero)
4132 
  * +8: 4*byte: time of file creation
 4132 
  * +8: 4*byte: time of file creation
4133 
  * +12 = +0xC: 4*byte: date of file creation
 4133 
  * +12 = +0xC: 4*byte: date of file creation
4134 
  * +16 = +0x10: 4*byte: time of last access (read or write)
 4134 
  * +16 = +0x10: 4*byte: time of last access (read or write)
4135 
  * +20 = +0x14: 4*byte: date of last access
 4135 
  * +20 = +0x14: 4*byte: date of last access
4136 
  * +24 = +0x18: 4*byte: time of last modification
 4136 
  * +24 = +0x18: 4*byte: time of last modification
4137 
  * +28 = +0x1C: 4*byte: date of last modification
 4137 
  * +28 = +0x1C: 4*byte: date of last modification
4138 
  * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb)
 4138 
  * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb)
4139 
  * +40 = +0x28: name
 4139 
  * +40 = +0x28: name
4140 
    * for ASCII format: maximum length is 263 characters
 4140 
    * for ASCII format: maximum length is 263 characters
4141 
      (263 bytes), byte after the name has value 0
 4141 
      (263 bytes), byte after the name has value 0
4142 
    * äëÿ ôîðìàòà UNICODE: maximum length is 259 characters
 4142 
    * äëÿ ôîðìàòà UNICODE: maximum length is 259 characters
4143 
      (518 bytes), 2 bytes after the name have value 0
 4143 
      (518 bytes), 2 bytes after the name have value 0
4144 
Time format:
 4144 
Time format:
4145 
  * +0: byte: seconds
 4145 
  * +0: byte: seconds
4146 
  * +1: byte: minutes
 4146 
  * +1: byte: minutes
4147 
  * +2: byte: hours
 4147 
  * +2: byte: hours
4148 
  * +3: byte: reserved (0)
 4148 
  * +3: byte: reserved (0)
4149 
  * for example, 23.59.59 is written as (in hex) 3B 3B 17 00
 4149 
  * for example, 23.59.59 is written as (in hex) 3B 3B 17 00
4150 
Date format:
 4150 
Date format:
4151 
  * +0: byte: day
 4151 
  * +0: byte: day
4152 
  * +1: byte: month
 4152 
  * +1: byte: month
4153 
  * +2: word: year
 4153 
  * +2: word: year
4154 
  * for example, 25.11.1979 is written as (in hex) 19 0B BB 07
 4154 
  * for example, 25.11.1979 is written as (in hex) 19 0B BB 07
4155 
Remarks:
 4155 
Remarks:
4156 
  * If BDFE contains ASCII name, the length of BDFE is 304 bytes,
 4156 
  * If BDFE contains ASCII name, the length of BDFE is 304 bytes,
4157 
    if UNICODE name - 560 bytes. Value of length is aligned
 4157 
    if UNICODE name - 560 bytes. Value of length is aligned
4158 
    on 16-byte bound (to accelerate processing in CPU cache).
 4158 
    on 16-byte bound (to accelerate processing in CPU cache).
4159 
  * First character after a name is zero (ASCIIZ-string). The further
 4159 
  * First character after a name is zero (ASCIIZ-string). The further
4160 
    data contain garbage.
 4160 
    data contain garbage.
4161 
  * If files in folder were ended before requested number was read,
 4161 
  * If files in folder were ended before requested number was read,
4162 
    the function will read as many as it can, and after that return
 4162 
    the function will read as many as it can, and after that return
4163 
    eax=6 (EOF).
 4163 
    eax=6 (EOF).
4164 
  * Any folder on the disk, except for root, contains two special
 4164 
  * Any folder on the disk, except for root, contains two special
4165 
    entries "." and "..", identifying accordingly the folder itself
 4165 
    entries "." and "..", identifying accordingly the folder itself
4166 
    and the parent folder.
 4166 
    and the parent folder.
4167 
  * The function allows also to read virtual folders "/", "/rd",
 4167 
  * The function allows also to read virtual folders "/", "/rd",
4168 
    "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10,
 4168 
    "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10,
4169 
    and times and dates are zeroed. An alternative way to get the
 4169 
    and times and dates are zeroed. An alternative way to get the
4170 
    equipment information - subfunction 11 of function 18.
 4170 
    equipment information - subfunction 11 of function 18.
4171 
 
 4171 
 
4172 
======================================================================
 4172 
======================================================================
4173 
===================== Function 70, subfunction 2 =====================
 4173 
===================== Function 70, subfunction 2 =====================
4174 
============ Create/rewrite file with long names support. ============
 4174 
============ Create/rewrite file with long names support. ============
4175 
======================================================================
 4175 
======================================================================
4176 
Parameters:
 4176 
Parameters:
4177 
  * eax = 70 - function number
 4177 
  * eax = 70 - function number
4178 
  * ebx = pointer to the information structure
 4178 
  * ebx = pointer to the information structure
4179 
Format of the information structure:
 4179 
Format of the information structure:
4180 
  * +0: dword: 2 = subfunction number
 4180 
  * +0: dword: 2 = subfunction number
4181 
  * +4: dword: 0 (reserved)
 4181 
  * +4: dword: 0 (reserved)
4182 
  * +8: dword: 0 (reserved)
 4182 
  * +8: dword: 0 (reserved)
4183 
  * +12 = +0xC: dword: number of bytes to read
 4183 
  * +12 = +0xC: dword: number of bytes to read
4184 
  * +16 = +0x10: dword: pointer to data
 4184 
  * +16 = +0x10: dword: pointer to data
4185 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4185 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4186 
    given in the general description
 4186 
    given in the general description
4187 
    or
 4187 
    or
4188 
  * +20 = +0x14: db 0
 4188 
  * +20 = +0x14: db 0
4189 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4189 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4190 
Returned value:
 4190 
Returned value:
4191 
  * eax = 0 - success, otherwise file system error code
 4191 
  * eax = 0 - success, otherwise file system error code
4192 
  * ebx = number of written bytes (possibly 0)
 4192 
  * ebx = number of written bytes (possibly 0)
4193 
Remarks:
 4193 
Remarks:
4194 
  * If a file with given name did not exist, it is created;
 4194 
  * If a file with given name did not exist, it is created;
4195 
    if it existed, it is rewritten.
 4195 
    if it existed, it is rewritten.
4196 
  * If there is not enough free space on disk, the function will
 4196 
  * If there is not enough free space on disk, the function will
4197 
    write as many as can and then return error code 8.
 4197 
    write as many as can and then return error code 8.
4198 
  * The function is not supported for CD (returns error code 2).
 4198 
  * The function is not supported for CD (returns error code 2).
4199 
 
 4199 
 
4200 
======================================================================
 4200 
======================================================================
4201 
===================== Function 70, subfunction 3 =====================
 4201 
===================== Function 70, subfunction 3 =====================
4202 
=========== Write to existing file with long names support. ==========
 4202 
=========== Write to existing file with long names support. ==========
4203 
======================================================================
 4203 
======================================================================
4204 
Parameters:
 4204 
Parameters:
4205 
  * eax = 70 - function number
 4205 
  * eax = 70 - function number
4206 
  * ebx = pointer to the information structure
 4206 
  * ebx = pointer to the information structure
4207 
Format of the information structure:
 4207 
Format of the information structure:
4208 
  * +0: dword: 3 = subfunction number
 4208 
  * +0: dword: 3 = subfunction number
4209 
  * +4: dword: file offset (in bytes)
 4209 
  * +4: dword: file offset (in bytes)
4210 
  * +8: dword: high dword of offset (must be 0 for FAT)
 4210 
  * +8: dword: high dword of offset (must be 0 for FAT)
4211 
  * +12 = +0xC: dword: number of bytes to write
 4211 
  * +12 = +0xC: dword: number of bytes to write
4212 
  * +16 = +0x10: dword: pointer to data
 4212 
  * +16 = +0x10: dword: pointer to data
4213 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4213 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4214 
    given in the general description
 4214 
    given in the general description
4215 
    or
 4215 
    or
4216 
  * +20 = +0x14: db 0
 4216 
  * +20 = +0x14: db 0
4217 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4217 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4218 
Returned value:
 4218 
Returned value:
4219 
  * eax = 0 - success, otherwise file system error code
 4219 
  * eax = 0 - success, otherwise file system error code
4220 
  * ebx = number of written bytes (possibly 0)
 4220 
  * ebx = number of written bytes (possibly 0)
4221 
Remarks:
 4221 
Remarks:
4222 
  * The file must already exist, otherwise function returns eax=5.
 4222 
  * The file must already exist, otherwise function returns eax=5.
4223 
  * The only result of write 0 bytes is update in the file attributes
 4223 
  * The only result of write 0 bytes is update in the file attributes
4224 
    date/time of modification and access to the current date/time.
 4224 
    date/time of modification and access to the current date/time.
4225 
  * If beginning and/or ending position is greater than file size
 4225 
  * If beginning and/or ending position is greater than file size
4226 
    (except for the previous case), the file is expanded to needed
 4226 
    (except for the previous case), the file is expanded to needed
4227 
    size with zero characters.
 4227 
    size with zero characters.
4228 
  * The function is not supported for CD (returns error code 2).
 4228 
  * The function is not supported for CD (returns error code 2).
4229 
 
 4229 
 
4230 
======================================================================
 4230 
======================================================================
4231 
============ Function 70, subfunction 4 - set end of file. ===========
 4231 
============ Function 70, subfunction 4 - set end of file. ===========
4232 
======================================================================
 4232 
======================================================================
4233 
Parameters:
 4233 
Parameters:
4234 
  * eax = 70 - function number
 4234 
  * eax = 70 - function number
4235 
  * ebx = pointer to the information structure
 4235 
  * ebx = pointer to the information structure
4236 
Format of the information structure:
 4236 
Format of the information structure:
4237 
  * +0: dword: 4 = subfunction number
 4237 
  * +0: dword: 4 = subfunction number
4238 
  * +4: dword: low dword of new file size
 4238 
  * +4: dword: low dword of new file size
4239 
  * +8: dword: high dword of new file size (must be 0 for FAT)
 4239 
  * +8: dword: high dword of new file size (must be 0 for FAT)
4240 
  * +12 = +0xC: dword: 0 (reserved)
 4240 
  * +12 = +0xC: dword: 0 (reserved)
4241 
  * +16 = +0x10: dword: 0 (reserved)
 4241 
  * +16 = +0x10: dword: 0 (reserved)
4242 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4242 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4243 
    given in the general description
 4243 
    given in the general description
4244 
    or
 4244 
    or
4245 
  * +20 = +0x14: db 0
 4245 
  * +20 = +0x14: db 0
4246 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4246 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4247 
Returned value:
 4247 
Returned value:
4248 
  * eax = 0 - success, otherwise file system error code
 4248 
  * eax = 0 - success, otherwise file system error code
4249 
  * ebx destroyed
 4249 
  * ebx destroyed
4250 
Remarks:
 4250 
Remarks:
4251 
  * If the new file size is less than old one, file is truncated.
 4251 
  * If the new file size is less than old one, file is truncated.
4252 
    If the new size is greater than old one, file is expanded with
 4252 
    If the new size is greater than old one, file is expanded with
4253 
    characters with code 0. If the new size is equal to old one,
 4253 
    characters with code 0. If the new size is equal to old one,
4254 
    the only result of call is set date/time of modification and
 4254 
    the only result of call is set date/time of modification and
4255 
    access to the current date/time.
 4255 
    access to the current date/time.
4256 
  * If there is not enough free space on disk for expansion, the
 4256 
  * If there is not enough free space on disk for expansion, the
4257 
    function will expand to maximum possible size and then return
 4257 
    function will expand to maximum possible size and then return
4258 
    error code 8.
 4258 
    error code 8.
4259 
  * The function is not supported for CD (returns error code 2).
 4259 
  * The function is not supported for CD (returns error code 2).
4260 
 
 4260 
 
4261 
======================================================================
 4261 
======================================================================
4262 
==== Function 70, subfunction 5 - get information on file/folder. ====
 4262 
==== Function 70, subfunction 5 - get information on file/folder. ====
4263 
======================================================================
 4263 
======================================================================
4264 
Parameters:
 4264 
Parameters:
4265 
  * eax = 70 - function number
 4265 
  * eax = 70 - function number
4266 
  * ebx = pointer to the information structure
 4266 
  * ebx = pointer to the information structure
4267 
Format of the information structure:
 4267 
Format of the information structure:
4268 
  * +0: dword: 5 = subfunction number
 4268 
  * +0: dword: 5 = subfunction number
4269 
  * +4: dword: 0 (reserved)
 4269 
  * +4: dword: 0 (reserved)
4270 
  * +8: dword: 0 (reserved)
 4270 
  * +8: dword: 0 (reserved)
4271 
  * +12 = +0xC: dword: 0 (reserved)
 4271 
  * +12 = +0xC: dword: 0 (reserved)
4272 
  * +16 = +0x10: dword: pointer to buffer for data (40 bytes)
 4272 
  * +16 = +0x10: dword: pointer to buffer for data (40 bytes)
4273 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4273 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4274 
    given in the general description
 4274 
    given in the general description
4275 
    or
 4275 
    or
4276 
  * +20 = +0x14: db 0
 4276 
  * +20 = +0x14: db 0
4277 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4277 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4278 
Returned value:
 4278 
Returned value:
4279 
  * eax = 0 - success, otherwise file system error code
 4279 
  * eax = 0 - success, otherwise file system error code
4280 
  * ebx destroyed
 4280 
  * ebx destroyed
4281 
Information on file is returned in the BDFE format (block of data
 4281 
Information on file is returned in the BDFE format (block of data
4282 
for folder entry), explained in the description of
 4282 
for folder entry), explained in the description of
4283 
subfunction 1, but without filename
 4283 
subfunction 1, but without filename
4284 
(i.e. only first 40 = 0x28 bytes).
 4284 
(i.e. only first 40 = 0x28 bytes).
4285 
Remarks:
 4285 
Remarks:
4286 
  * The function does not support virtual folders such as /, /rd and
 4286 
  * The function does not support virtual folders such as /, /rd and
4287 
    root folders like /rd/1.
 4287 
    root folders like /rd/1.
4288 
 
 4288 
 
4289 
======================================================================
 4289 
======================================================================
4290 
===== Function 70, subfunction 6 - set attributes of file/folder. ====
 4290 
===== Function 70, subfunction 6 - set attributes of file/folder. ====
4291 
======================================================================
 4291 
======================================================================
4292 
Parameters:
 4292 
Parameters:
4293 
  * eax = 70 - function number
 4293 
  * eax = 70 - function number
4294 
  * ebx = pointer to the information structure
 4294 
  * ebx = pointer to the information structure
4295 
Format of the information structure:
 4295 
Format of the information structure:
4296 
  * +0: dword: 6 = subfunction number
 4296 
  * +0: dword: 6 = subfunction number
4297 
  * +4: dword: 0 (reserved)
 4297 
  * +4: dword: 0 (reserved)
4298 
  * +8: dword: 0 (reserved)
 4298 
  * +8: dword: 0 (reserved)
4299 
  * +12 = +0xC: dword: 0 (reserved)
 4299 
  * +12 = +0xC: dword: 0 (reserved)
4300 
  * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes)
 4300 
  * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes)
4301 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4301 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4302 
    given in the general description
 4302 
    given in the general description
4303 
    or
 4303 
    or
4304 
  * +20 = +0x14: db 0
 4304 
  * +20 = +0x14: db 0
4305 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4305 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4306 
Returned value:
 4306 
Returned value:
4307 
  * eax = 0 - success, otherwise file system error code
 4307 
  * eax = 0 - success, otherwise file system error code
4308 
  * ebx destroyed
 4308 
  * ebx destroyed
4309 
File attributes are first 32 bytes in BDFE (block of data
 4309 
File attributes are first 32 bytes in BDFE (block of data
4310 
for folder entry), explained in the description of subfunction 1
 4310 
for folder entry), explained in the description of subfunction 1
4311 
(that is, without name and size of file). Attribute
 4311 
(that is, without name and size of file). Attribute
4312 
file/folder/volume label (bits 3,4 in dword +0) is not changed.
 4312 
file/folder/volume label (bits 3,4 in dword +0) is not changed.
4313 
Byte +4 (name format) is ignored.
 4313 
Byte +4 (name format) is ignored.
4314 
Remarks:
 4314 
Remarks:
4315 
  * The function does not support virtual folders such as /, /rd and
 4315 
  * The function does not support virtual folders such as /, /rd and
4316 
    root folders like /rd/1.
 4316 
    root folders like /rd/1.
4317 
  * The function is not supported for CD (returns error code 2).
 4317 
  * The function is not supported for CD (returns error code 2).
4318 
 
 4318 
 
4319 
======================================================================
 4319 
======================================================================
4320 
=========== Function 70, subfunction 7 - start application. ==========
 4320 
=========== Function 70, subfunction 7 - start application. ==========
4321 
======================================================================
 4321 
======================================================================
4322 
Parameters:
 4322 
Parameters:
4323 
  * eax = 70 - function number
 4323 
  * eax = 70 - function number
4324 
  * ebx = pointer to the information structure
 4324 
  * ebx = pointer to the information structure
4325 
Format of the information structure:
 4325 
Format of the information structure:
4326 
  * +0: dword: 7 = subfunction number
 4326 
  * +0: dword: 7 = subfunction number
4327 
  * +4: dword: flags field:
 4327 
  * +4: dword: flags field:
4328 
    * áèò 0: start process as debugged
 4328 
    * áèò 0: start process as debugged
4329 
    * other bits are reserved and must be set to 0
 4329 
    * other bits are reserved and must be set to 0
4330 
  * +8: dword: 0 or pointer to ASCIIZ-string with parameters
 4330 
  * +8: dword: 0 or pointer to ASCIIZ-string with parameters
4331 
  * +12 = +0xC: dword: 0 (reserved)
 4331 
  * +12 = +0xC: dword: 0 (reserved)
4332 
  * +16 = +0x10: dword: 0 (reserved)
 4332 
  * +16 = +0x10: dword: 0 (reserved)
4333 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
 4333 
  * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are
4334 
    given in the general description
 4334 
    given in the general description
4335 
    or
 4335 
    or
4336 
  * +20 = +0x14: db 0
 4336 
  * +20 = +0x14: db 0
4337 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
 4337 
  * +21 = +0x15: dd pointer to ASCIIZ-string with file name
4338 
Returned value:
 4338 
Returned value:
4339 
  * eax > 0 - program is loaded, eax contains PID
 4339 
  * eax > 0 - program is loaded, eax contains PID
4340 
  * eax < 0 - an error has occured, -eax contains
 4340 
  * eax < 0 - an error has occured, -eax contains
4341 
    file system error code
 4341 
    file system error code
4342 
  * ebx destroyed
 4342 
  * ebx destroyed
4343 
Remarks:
 4343 
Remarks:
4344 
  * Command line must be terminated by the character with the code 0
 4344 
  * Command line must be terminated by the character with the code 0
4345 
    (ASCIIZ-string); function takes into account either all characters
 4345 
    (ASCIIZ-string); function takes into account either all characters
4346 
    up to terminating zero inclusively or first 256 character
 4346 
    up to terminating zero inclusively or first 256 character
4347 
    regarding what is less.
 4347 
    regarding what is less.
4348 
  * If the process is started as debugged, it is created in
 4348 
  * If the process is started as debugged, it is created in
4349 
    the suspended state; to run use subfunction 5 of function 69.
 4349 
    the suspended state; to run use subfunction 5 of function 69.
4350 
 
 4350 
 
4351 
======================================================================
 4351 
======================================================================
4352 
========== Function 71, subfunction 1 - set window caption. ==========
 4352 
========== Function 71, subfunction 1 - set window caption. ==========
4353 
======================================================================
 4353 
======================================================================
4354 
Parameters:
 4354 
Parameters:
4355 
  * eax = 71 - function number
 4355 
  * eax = 71 - function number
4356 
  * ebx = 1 - subfunction number
 4356 
  * ebx = 1 - subfunction number
4357 
  * ecx = pointer to caption string
 4357 
  * ecx = pointer to caption string
4358 
Returned value:
 4358 
Returned value:
4359 
  * function does not return value
 4359 
  * function does not return value
4360 
Remarks:
 4360 
Remarks:
4361 
  * String must be in the ASCIIZ-format. Disregarding real string
 4361 
  * String must be in the ASCIIZ-format. Disregarding real string
4362 
    length, no more than 255 characters are drawn.
 4362 
    length, no more than 255 characters are drawn.
4363 
  * Pass NULL in ecx to remove caption.
 4363 
  * Pass NULL in ecx to remove caption.
4364 
 
 4364 
 
4365 
======================================================================
 4365 
======================================================================
4366 
=============== Function -1 - terminate thread/process ===============
 4366 
=============== Function -1 - terminate thread/process ===============
4367 
======================================================================
 4367 
======================================================================
4368 
Parameters:
 4368 
Parameters:
4369 
  * eax = -1 - function number
 4369 
  * eax = -1 - function number
4370 
Returned value:
 4370 
Returned value:
4371 
  * function does not return neither value nor control
 4371 
  * function does not return neither value nor control
4372 
Remarks:
 4372 
Remarks:
4373 
  * If the process did not create threads obviously, it has only
 4373 
  * If the process did not create threads obviously, it has only
4374 
    one thread, which termination results in process termination.
 4374 
    one thread, which termination results in process termination.
4375 
  * If the current thread is last in the process, its termination
 4375 
  * If the current thread is last in the process, its termination
4376 
    also results in process terminates.
 4376 
    also results in process terminates.
4377 
  * This function terminates the current thread. Other thread can be
 4377 
  * This function terminates the current thread. Other thread can be
4378 
    killed by call to subfunction 2 of function 18.
 4378 
    killed by call to subfunction 2 of function 18.
4379 
 
 4379 
 
4380 
======================================================================
 4380 
======================================================================
4381 
=========================== List of events ===========================
 4381 
=========================== List of events ===========================
4382 
======================================================================
 4382 
======================================================================
4383 
Next event can be retrieved by the call of one from functions 10
 4383 
Next event can be retrieved by the call of one from functions 10
4384 
(to wait for event), 11 (to check without waiting), 23
 4384 
(to wait for event), 11 (to check without waiting), 23
4385 
(to wait during the given time).
 4385 
(to wait during the given time).
4386 
These functions return only those events, which enter into a mask set
 4386 
These functions return only those events, which enter into a mask set
4387 
by function 40. By default it is first three,
 4387 
by function 40. By default it is first three,
4388 
there is enough for most applications.
 4388 
there is enough for most applications.
4389 
Codes of events:
 4389 
Codes of events:
4390 
  * 1 = redraw event (is reset by call to function 0)
 4390 
  * 1 = redraw event (is reset by call to function 0)
4391 
  * 2 = key on keyboard is pressed (acts, only when the window is
 4391 
  * 2 = key on keyboard is pressed (acts, only when the window is
4392 
    active) or hotkey is pressed; is reset, when all keys from
 4392 
    active) or hotkey is pressed; is reset, when all keys from
4393 
    the buffer are read out by function 2
 4393 
    the buffer are read out by function 2
4394 
  * 3 = button is pressed, defined earlier by function 8
 4394 
  * 3 = button is pressed, defined earlier by function 8
4395 
    (or close button, created implicitly by function 0;
 4395 
    (or close button, created implicitly by function 0;
4396 
    minimize button is handled by the system and sends no message;
 4396 
    minimize button is handled by the system and sends no message;
4397 
    acts, only when the window is active;
 4397 
    acts, only when the window is active;
4398 
    is reset when all buttons from the buffer
 4398 
    is reset when all buttons from the buffer
4399 
    are read out by function 17)
 4399 
    are read out by function 17)
4400 
  * 4 = reserved (in current implementation never comes even after
 4400 
  * 4 = reserved (in current implementation never comes even after
4401 
    unmasking by function 40)
 4401 
    unmasking by function 40)
4402 
  * 5 = the desktop background is redrawed (is reset automatically
 4402 
  * 5 = the desktop background is redrawed (is reset automatically
4403 
    after redraw, so if in redraw time program does not wait and
 4403 
    after redraw, so if in redraw time program does not wait and
4404 
    does not check events, it will not remark this event)
 4404 
    does not check events, it will not remark this event)
4405 
  * 6 = mouse event (something happened - button pressing or moving;
 4405 
  * 6 = mouse event (something happened - button pressing or moving;
4406 
    is reset at reading)
 4406 
    is reset at reading)
4407 
  * 7 = IPC event (see function 60 -
 4407 
  * 7 = IPC event (see function 60 -
4408 
    Inter Process Communication; is reset at reading)
 4408 
    Inter Process Communication; is reset at reading)
4409 
  * 8 = network event (is reset at reading)
 4409 
  * 8 = network event (is reset at reading)
4410 
  * 9 = debug event (is reset at reading; see
 4410 
  * 9 = debug event (is reset at reading; see
4411 
    debug subsystem)
 4411 
    debug subsystem)
4412 
  * 16..31 = event with appropriate IRQ
 4412 
  * 16..31 = event with appropriate IRQ
4413 
    (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data)
 4413 
    (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data)
4414 
 
 4414 
 
4415 
======================================================================
 4415 
======================================================================
4416 
=================== Error codes of the file system ===================
 4416 
=================== Error codes of the file system ===================
4417 
======================================================================
 4417 
======================================================================
4418 
  * 0 = success
 4418 
  * 0 = success
4419 
  * 1 = base and/or partition of a hard disk is not defined
 4419 
  * 1 = base and/or partition of a hard disk is not defined
4420 
    (by subfunctions 7, 8 of function 21)
 4420 
    (by subfunctions 7, 8 of function 21)
4421 
  * 2 = function is not supported for the given file system
 4421 
  * 2 = function is not supported for the given file system
4422 
  * 3 = unknown file system
 4422 
  * 3 = unknown file system
4423 
  * 4 = is returned only from function 'rename' by transmission of
 4423 
  * 4 = is returned only from function 'rename' by transmission of
4424 
    the strongly incorrect parameter and in any way does not
 4424 
    the strongly incorrect parameter and in any way does not
4425 
    correspond to the description in the kernel sources
 4425 
    correspond to the description in the kernel sources
4426 
    "partition not defined at hd"
 4426 
    "partition not defined at hd"
4427 
  * 5 = file not found
 4427 
  * 5 = file not found
4428 
  * 6 = end of file, EOF
 4428 
  * 6 = end of file, EOF
4429 
  * 7 = pointer lies outside of application memory
 4429 
  * 7 = pointer lies outside of application memory
4430 
  * 8 = disk is full
 4430 
  * 8 = disk is full
4431 
  * 9 = FAT table is destroyed
 4431 
  * 9 = FAT table is destroyed
4432 
  * 10 = access denied
 4432 
  * 10 = access denied
4433 
  * 11 = device error
 4433 
  * 11 = device error
4434 
Application start functions can return also following errors:
 4434 
Application start functions can return also following errors:
4435 
  * 30 = 0x1E = not enough memory
 4435 
  * 30 = 0x1E = not enough memory
4436 
  * 31 = 0x1F = file is not executable
 4436 
  * 31 = 0x1F = file is not executable
4437 
  * 32 = 0x20 = too many processes
 4437 
  * 32 = 0x20 = too many processes
4438 
>
 4438 
>
4439 
>
 4439 
>
4440 
>
 4440 
>
4441 
>
 4441 
>
4442 
>
 4442 
>