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1 | SYSTEM FUNCTIONS of OS Kolibri 0.5.8.1 |
1 | SYSTEM FUNCTIONS of OS Kolibri 0.5.8.1 |
2 | 2 | ||
3 | Number of the function is located in the register eax. |
3 | Number of the function is located in the register eax. |
4 | The call of the system function is executed by "int 0x40" command. |
4 | The call of the system function is executed by "int 0x40" command. |
5 | All registers except explicitly declared in the returned value, |
5 | All registers except explicitly declared in the returned value, |
6 | including eflags, are preserved. |
6 | including eflags, are preserved. |
7 | 7 | ||
8 | 8 | ||
9 | ====================================================================== |
9 | ====================================================================== |
10 | ============== Function 0 - define and draw the window. ============== |
10 | ============== Function 0 - define and draw the window. ============== |
11 | ====================================================================== |
11 | ====================================================================== |
12 | 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 |
13 | working area. For windows with skin defines standard buttons for close |
13 | working area. For windows with skin defines standard buttons for close |
14 | and minimize. |
14 | and minimize. |
15 | Parameters: |
15 | Parameters: |
16 | * eax = 0 - function number |
16 | * eax = 0 - function number |
17 | * ebx = [coordinate on axis x]*65536 + [size on axis x] |
17 | * ebx = [coordinate on axis x]*65536 + [size on axis x] |
18 | * ecx = [coordinate on axis y]*65536 + [size on axis y] |
18 | * ecx = [coordinate on axis y]*65536 + [size on axis y] |
19 | * edx = 0xXYRRGGBB, where: |
19 | * edx = 0xXYRRGGBB, where: |
20 | * Y = style of the window: |
20 | * Y = style of the window: |
21 | * Y=0 - type I - window of the fixed size |
21 | * Y=0 - type I - window of the fixed size |
22 | * Y=1 - only define window area, draw nothing |
22 | * Y=1 - only define window area, draw nothing |
23 | * Y=2 - type II - window of the variable size |
23 | * Y=2 - type II - window of the variable size |
24 | * Y=3 - window with skin |
24 | * Y=3 - window with skin |
25 | * other possible values (from 4 up to 15) are reserved, |
25 | * other possible values (from 4 up to 15) are reserved, |
26 | function call with such Y is ignored |
26 | function call with such Y is ignored |
27 | * RR, GG, BB = accordingly red, green, blue components of a color |
27 | * RR, GG, BB = accordingly red, green, blue components of a color |
28 | of the working area of the window (are ignored for style Y=2) |
28 | of the working area of the window (are ignored for style Y=2) |
29 | * X = DCBA (bits) |
29 | * X = DCBA (bits) |
30 | * A = 1 - window has caption; for style Y=3 caption string |
30 | * A = 1 - window has caption; for style Y=3 caption string |
31 | must be passed in edi, for other styles use |
31 | must be passed in edi, for other styles use |
32 | subfunction 1 of function 71 |
32 | subfunction 1 of function 71 |
33 | * B = 1 - coordinates of all graphics primitives are relative to |
33 | * B = 1 - coordinates of all graphics primitives are relative to |
34 | 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, |
43 | X=8 - usual gradient, |
43 | X=8 - usual gradient, |
44 | for windows of a type II X=4 - negative gradient |
44 | for windows of a type II X=4 - negative gradient |
45 | * other values of X and Y are reserved |
45 | * other values of X and Y are reserved |
46 | * edi = 0x00RRGGBB - color of the frame |
46 | * edi = 0x00RRGGBB - color of the frame |
47 | Returned value: |
47 | Returned value: |
48 | * function does not return value |
48 | * function does not return value |
49 | Remarks: |
49 | Remarks: |
50 | * Position and sizes of the window are installed by the first |
50 | * Position and sizes of the window are installed by the first |
51 | call of this function and are ignored at subsequent; to change |
51 | call of this function and are ignored at subsequent; to change |
52 | position and/or sizes of already created window use function 67. |
52 | position and/or sizes of already created window use function 67. |
53 | * For windows with style Y=3 and caption (A=1) caption string is set |
53 | * For windows with style Y=3 and caption (A=1) caption string is set |
54 | 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 |
55 | (strictly speaking, is ignored after a call to subfunction 2 |
55 | (strictly speaking, is ignored after a call to subfunction 2 |
56 | of function 12 - end redraw); to change caption of already created |
56 | of function 12 - end redraw); to change caption of already created |
57 | window use subfunction 1 of function 71. |
57 | window use subfunction 1 of function 71. |
58 | * 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 |
59 | changed by user. Current position and sizes can be obtained |
59 | changed by user. Current position and sizes can be obtained |
60 | by function 9. |
60 | by function 9. |
61 | * The window must fit on the screen. If the transferred |
61 | * The window must fit on the screen. If the transferred |
62 | coordinates and sizes do not satisfy to this condition, |
62 | coordinates and sizes do not satisfy to this condition, |
63 | appropriate coordinate (or, probably, both) is considered as zero, |
63 | appropriate coordinate (or, probably, both) is considered as zero, |
64 | and if also it does not help, the appropriate size |
64 | and if also it does not help, the appropriate size |
65 | (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 we shall designate xpos,ypos,xsize,ysize - values |
67 | Further we shall designate xpos,ypos,xsize,ysize - values |
68 | transmitted in ebx,ecx. The coordinates are resulted concerning |
68 | transmitted in ebx,ecx. The coordinates are resulted concerning |
69 | 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), |
70 | coordinates of the right lower corner essence (xsize,ysize). |
70 | coordinates of the right lower corner essence (xsize,ysize). |
71 | * The sizes of the window are understood in sence of coordinates |
71 | * The sizes of the window are understood in sence of coordinates |
72 | of the right lower corner. This concerns all other functions too. |
72 | of the right lower corner. This concerns all other functions too. |
73 | It means, that the real sizes are on 1 pixel more. |
73 | It means, that the real sizes are on 1 pixel more. |
74 | * The window of type I looks as follows: |
74 | * The window of type I looks as follows: |
75 | * 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 - |
80 | rectangle with the left upper corner (1,21) and right lower |
80 | rectangle with the left upper corner (1,21) and right lower |
81 | (xsize-1,ysize-1) (sizes (xsize-1)*(ysize-21)) with color |
81 | (xsize-1,ysize-1) (sizes (xsize-1)*(ysize-21)) with color |
82 | indicated in edx (taking a gradient into account) |
82 | indicated in edx (taking a gradient into account) |
83 | * if A=1 and caption has been already set by subfunction 1 |
83 | * if A=1 and caption has been already set by subfunction 1 |
84 | of function 71, it is drawn in the corresponding place of header |
84 | of function 71, it is drawn in the corresponding place of header |
85 | * The window of style Y=1 looks as follows: |
85 | * The window of style Y=1 looks as follows: |
86 | * completely defined by the application |
86 | * completely defined by the application |
87 | * The window of type II looks as follows: |
87 | * The window of type II looks as follows: |
88 | * draw external frame of width 1 pixel with the "shaded" color |
88 | * draw external frame of width 1 pixel with the "shaded" color |
89 | edi (all components of the color decrease twice) |
89 | edi (all components of the color decrease twice) |
90 | * draw intermediate frame of width 3 pixels with color edi |
90 | * draw intermediate frame of width 3 pixels with color edi |
91 | * draw internal frame of width 1 pixel with the "shaded" color edi |
91 | * draw internal frame of width 1 pixel with the "shaded" color edi |
92 | * draw header - rectangle with the left upper corner (4,4) |
92 | * draw header - rectangle with the left upper corner (4,4) |
93 | and right lower (xsize-4,min(20,ysize)) color, indicated in esi |
93 | and right lower (xsize-4,min(20,ysize)) color, indicated in esi |
94 | (taking a gradient into account) |
94 | (taking a gradient into account) |
95 | * if ysize>=26, fill the working area of the window - |
95 | * if ysize>=26, fill the working area of the window - |
96 | rectangle with the left upper corner (5,20) and right lower |
96 | rectangle with the left upper corner (5,20) and right lower |
97 | (xsize-5,ysize-5) with color indicated in edx |
97 | (xsize-5,ysize-5) with color indicated in edx |
98 | (taking a gradient into account) |
98 | (taking a gradient into account) |
99 | * if A=1 and caption has been already set by subfunction 1 |
99 | * if A=1 and caption has been already set by subfunction 1 |
100 | of function 71, it is drawn in the corresponding place of header |
100 | of function 71, it is drawn in the corresponding place of header |
101 | * The skinned window looks as follows: |
101 | * The skinned window looks as follows: |
102 | * draw external frame of width 1 pixel |
102 | * draw external frame of width 1 pixel |
103 | with color 'outer' from the skin |
103 | with color 'outer' from the skin |
104 | * draw intermediate frame of width 3 pixel |
104 | * draw intermediate frame of width 3 pixel |
105 | with color 'frame' from the skin |
105 | with color 'frame' from the skin |
106 | * draw internal frame of width 1 pixel |
106 | * draw internal frame of width 1 pixel |
107 | with color 'inner' from the skin |
107 | with color 'inner' from the skin |
108 | * draw header (on bitmaps from the skin) in a rectangle |
108 | * draw header (on bitmaps from the skin) in a rectangle |
109 | (0,0) - (xsize,_skinh-1) |
109 | (0,0) - (xsize,_skinh-1) |
110 | * if ysize>=26, fill the working area of the window - |
110 | * if ysize>=26, fill the working area of the window - |
111 | rectangle with the left upper corner (5,_skinh) and right lower |
111 | rectangle with the left upper corner (5,_skinh) and right lower |
112 | (xsize-5,ysize-5) with color indicated in edx |
112 | (xsize-5,ysize-5) with color indicated in edx |
113 | (taking a gradient into account) |
113 | (taking a gradient into account) |
114 | * define two standard buttons: for close and minimize |
114 | * define two standard buttons: for close and minimize |
115 | (see function 8) |
115 | (see function 8) |
116 | * if A=1 and edi contains (nonzero) pointer to caption string, |
116 | * if A=1 and edi contains (nonzero) pointer to caption string, |
117 | it is drawn in place in header defined in the skin |
117 | it is drawn in place in header defined in the skin |
118 | * value _skinh is accessible as the result of call |
118 | * value _skinh is accessible as the result of call |
119 | subfunction 4 of function 48 |
119 | subfunction 4 of function 48 |
120 | 120 | ||
121 | ====================================================================== |
121 | ====================================================================== |
122 | ================ Function 1 - put pixel in the window. =============== |
122 | ================ Function 1 - put pixel in the window. =============== |
123 | ====================================================================== |
123 | ====================================================================== |
124 | Parameters: |
124 | Parameters: |
125 | * eax = 1 - function number |
125 | * eax = 1 - function number |
126 | * ebx = x-coordinate (relative to the window) |
126 | * ebx = x-coordinate (relative to the window) |
127 | * ecx = y-coordinate (relative to the window) |
127 | * ecx = y-coordinate (relative to the window) |
128 | * edx = 0x00RRGGBB - color of a pixel |
128 | * edx = 0x00RRGGBB - color of a pixel |
129 | edx = 0x01xxxxxx - invert color of a pixel |
129 | edx = 0x01xxxxxx - invert color of a pixel |
130 | (low 24 bits are ignored) |
130 | (low 24 bits are ignored) |
131 | Returned value: |
131 | Returned value: |
132 | * function does not return value |
132 | * function does not return value |
133 | 133 | ||
134 | ====================================================================== |
134 | ====================================================================== |
135 | ============ Function 2 - get the code of the pressed key. =========== |
135 | ============ Function 2 - get the code of the pressed key. =========== |
136 | ====================================================================== |
136 | ====================================================================== |
137 | Takes away the code of the pressed key from the buffer. |
137 | Takes away the code of the pressed key from the buffer. |
138 | Parameters: |
138 | Parameters: |
139 | * eax = 2 - function number |
139 | * eax = 2 - function number |
140 | Returned value: |
140 | Returned value: |
141 | * if the buffer is empty, function returns eax=1 |
141 | * if the buffer is empty, function returns eax=1 |
142 | * if the buffer is not empty, function returns al=0, |
142 | * if the buffer is not empty, function returns al=0, |
143 | ah=code of the pressed key, high word of eax is zero |
143 | ah=code of the pressed key, high word of eax is zero |
144 | * if there is "hotkey", function returns al=2, |
144 | * if there is "hotkey", function returns al=2, |
145 | ah=scancode of the pressed key (0 for control keys), |
145 | ah=scancode of the pressed key (0 for control keys), |
146 | high word of eax contains a status of control keys at the moment |
146 | high word of eax contains a status of control keys at the moment |
147 | of pressing a hotkey |
147 | of pressing a hotkey |
148 | Remarks: |
148 | Remarks: |
149 | * There is a common system buffer of the pressed keys |
149 | * There is a common system buffer of the pressed keys |
150 | by a size of 120 bytes, organized as queue. |
150 | by a size of 120 bytes, organized as queue. |
151 | * There is one more common system buffer on 120 "hotkeys". |
151 | * There is one more common system buffer on 120 "hotkeys". |
152 | * If the application with the inactive window calls this function, |
152 | * If the application with the inactive window calls this function, |
153 | the buffer of the pressed keys is considered to be empty. |
153 | the buffer of the pressed keys is considered to be empty. |
154 | * By default this function returns ASCII-codes; to switch |
154 | * By default this function returns ASCII-codes; to switch |
155 | to the scancodes mode (and back) use function 66. |
155 | to the scancodes mode (and back) use function 66. |
156 | However, hotkeys are always notificated as scancodes. |
156 | However, hotkeys are always notificated as scancodes. |
157 | * To find out, what keys correspond to what codes, start |
157 | * To find out, what keys correspond to what codes, start |
158 | the application keyascii and scancode. |
158 | the application keyascii and scancode. |
159 | * Scancodes come directly from keyboard and are fixed; |
159 | * Scancodes come directly from keyboard and are fixed; |
160 | ASCII-codes turn out with usage of the conversion tables, |
160 | ASCII-codes turn out with usage of the conversion tables, |
161 | which can be set by subfunction 2 of function 21 |
161 | which can be set by subfunction 2 of function 21 |
162 | and get by subfunction 2 of function 26. |
162 | and get by subfunction 2 of function 26. |
163 | * As a consequence, ASCII-codes take into account current |
163 | * As a consequence, ASCII-codes take into account current |
164 | keyboard layout (rus/en) as opposed to scancodes. |
164 | keyboard layout (rus/en) as opposed to scancodes. |
165 | * This function notifies only about those hotkeys, which were |
165 | * This function notifies only about those hotkeys, which were |
166 | defined by this thread by subfunction 4 of function 66. |
166 | defined by this thread by subfunction 4 of function 66. |
167 | 167 | ||
168 | ====================================================================== |
168 | ====================================================================== |
169 | ==================== Function 3 - get system time. =================== |
169 | ==================== Function 3 - get system time. =================== |
170 | ====================================================================== |
170 | ====================================================================== |
171 | Parameters: |
171 | Parameters: |
172 | * eax = 3 - function number |
172 | * eax = 3 - function number |
173 | Returned value: |
173 | Returned value: |
174 | * eax = 0x00SSMMHH, where HH:MM:SS = Hours:Minutes:Seconds |
174 | * eax = 0x00SSMMHH, where HH:MM:SS = Hours:Minutes:Seconds |
175 | * each item is BCD-number, for example, |
175 | * each item is BCD-number, for example, |
176 | for time 23:59:59 function returns 0x00595923 |
176 | for time 23:59:59 function returns 0x00595923 |
177 | Remarks: |
177 | Remarks: |
178 | * See also subfunction 9 of function 26 - get time from |
178 | * See also subfunction 9 of function 26 - get time from |
179 | the moment of start of the system; it is more convenient, because |
179 | the moment of start of the system; it is more convenient, because |
180 | returns simply DWORD-value of the time counter. |
180 | returns simply DWORD-value of the time counter. |
181 | * System time can be set by function 22. |
181 | * System time can be set by function 22. |
182 | 182 | ||
183 | ====================================================================== |
183 | ====================================================================== |
184 | ============ Function 4 - draw text string in the window. ============ |
184 | ============ Function 4 - draw text string in the window. ============ |
185 | ====================================================================== |
185 | ====================================================================== |
186 | Parameters: |
186 | Parameters: |
187 | * eax = 4 - function number |
187 | * eax = 4 - function number |
188 | * ebx = [coordinate on axis x]*65536 + [coordinate on axis y] |
188 | * ebx = [coordinate on axis x]*65536 + [coordinate on axis y] |
189 | * ecx = 0xX0RRGGBB, where |
189 | * ecx = 0xX0RRGGBB, where |
190 | * RR, GG, BB specify text color |
190 | * RR, GG, BB specify text color |
191 | * X specifies the used font: 0=system monospaced, |
191 | * X specifies the used font: 0=system monospaced, |
192 | 1=system font of variable width |
192 | 1=system font of variable width |
193 | * edx = pointer to the beginning of the string |
193 | * edx = pointer to the beginning of the string |
194 | * esi = length of the string, must not exceed 255 |
194 | * esi = length of the string, must not exceed 255 |
195 | Returned value: |
195 | Returned value: |
196 | * function does not return value |
196 | * function does not return value |
197 | Remarks: |
197 | Remarks: |
198 | * Function outputs either first (esi and 0xFF) characters or |
198 | * Function outputs either first (esi and 0xFF) characters or |
199 | all characters before (but not including) terminating zero |
199 | all characters before (but not including) terminating zero |
200 | (for ASCIIZ-strings) depending on what occurs first. |
200 | (for ASCIIZ-strings) depending on what occurs first. |
201 | * First system font is read out at loading from the file char.mt, |
201 | * First system font is read out at loading from the file char.mt, |
202 | second - from char2.mt. |
202 | second - from char2.mt. |
203 | * Both fonts have height 9 pixels, width of the monospaced font |
203 | * Both fonts have height 9 pixels, width of the monospaced font |
204 | is equal to 6 pixels. |
204 | is equal to 6 pixels. |
205 | 205 | ||
206 | ====================================================================== |
206 | ====================================================================== |
207 | ========================= Function 5 - delay. ======================== |
207 | ========================= Function 5 - delay. ======================== |
208 | ====================================================================== |
208 | ====================================================================== |
209 | Delays execution of the program on the given time. |
209 | Delays execution of the program on the given time. |
210 | Parameters: |
210 | Parameters: |
211 | * eax = 5 - function number |
211 | * eax = 5 - function number |
212 | * ebx = time in the 1/100 of second |
212 | * ebx = time in the 1/100 of second |
213 | Returned value: |
213 | Returned value: |
214 | * function does not return value |
214 | * function does not return value |
215 | Remarks: |
215 | Remarks: |
216 | * Passing ebx=0 does not transfer control to the next process |
216 | * Passing ebx=0 does not transfer control to the next process |
217 | and does not make any operations at all. If it is really required |
217 | and does not make any operations at all. If it is really required |
218 | to transfer control to the next process (to complete a current |
218 | to transfer control to the next process (to complete a current |
219 | time slice), use subfunction 1 of function 68. |
219 | time slice), use subfunction 1 of function 68. |
220 | * At current implementation there will be an immediate return from |
220 | * At current implementation there will be an immediate return from |
221 | the function, if the addition of ebx with current value of |
221 | the function, if the addition of ebx with current value of |
222 | time counter will call 32-bit overflow. |
222 | time counter will call 32-bit overflow. |
223 | 223 | ||
224 | ====================================================================== |
224 | ====================================================================== |
225 | ============== Function 6 - read the file from ramdisk. ============== |
225 | ============== Function 6 - read the file from ramdisk. ============== |
226 | ====================================================================== |
226 | ====================================================================== |
227 | Parameters: |
227 | Parameters: |
228 | * eax = 6 - function number |
228 | * eax = 6 - function number |
229 | * ebx = pointer to the filename |
229 | * ebx = pointer to the filename |
230 | * ecx = number of start block, beginning from 1; |
230 | * ecx = number of start block, beginning from 1; |
231 | ecx=0 - read from the beginning of the file (same as ecx=1) |
231 | ecx=0 - read from the beginning of the file (same as ecx=1) |
232 | * edx = number of blocks to read; |
232 | * edx = number of blocks to read; |
233 | edx=0 - read one block (same as edx=1) |
233 | edx=0 - read one block (same as edx=1) |
234 | * esi = pointer to memory area for the data |
234 | * esi = pointer to memory area for the data |
235 | Returned value: |
235 | Returned value: |
236 | * eax = file size in bytes, if the file was successfully read |
236 | * eax = file size in bytes, if the file was successfully read |
237 | * eax = -1, if the file was not found |
237 | * eax = -1, if the file was not found |
238 | Remarks: |
238 | Remarks: |
239 | * This function is out-of-date; function 70 allows |
239 | * This function is out-of-date; function 70 allows |
240 | to fulfil the same operations with the extended possibilities. |
240 | to fulfil the same operations with the extended possibilities. |
241 | * Block = 512 bytes. |
241 | * Block = 512 bytes. |
242 | * For reading all file you can specify the certainly large value |
242 | * For reading all file you can specify the certainly large value |
243 | in edx, for example, edx = -1; but in this case be ready that |
243 | in edx, for example, edx = -1; but in this case be ready that |
244 | the program will "fall", if the file will appear too large and can |
244 | the program will "fall", if the file will appear too large and can |
245 | not be placed in the program memory. |
245 | not be placed in the program memory. |
246 | * The filename must be either in the format 8+3 characters |
246 | * The filename must be either in the format 8+3 characters |
247 | (first 8 characters - name itself, last 3 - extension, |
247 | (first 8 characters - name itself, last 3 - extension, |
248 | the short names and extensions are supplemented with spaces), |
248 | the short names and extensions are supplemented with spaces), |
249 | or in the format 8.3 characters "FILE.EXT"/"FILE.EX " |
249 | or in the format 8.3 characters "FILE.EXT"/"FILE.EX " |
250 | (name no more than 8 characters, dot, extension 3 characters |
250 | (name no more than 8 characters, dot, extension 3 characters |
251 | supplemented if necessary by spaces). |
251 | supplemented if necessary by spaces). |
252 | The filename must be written with capital letters. The terminating |
252 | The filename must be written with capital letters. The terminating |
253 | character with code 0 is not necessary (not ASCIIZ-string). |
253 | character with code 0 is not necessary (not ASCIIZ-string). |
254 | * This function does not support folders on the ramdisk. |
254 | * This function does not support folders on the ramdisk. |
255 | 255 | ||
256 | ====================================================================== |
256 | ====================================================================== |
257 | =============== Function 7 - draw image in the window. =============== |
257 | =============== Function 7 - draw image in the window. =============== |
258 | ====================================================================== |
258 | ====================================================================== |
259 | Paramters: |
259 | Paramters: |
260 | * eax = 7 - function number |
260 | * eax = 7 - function number |
261 | * ebx = pointer to the image in the format BBGGRRBBGGRR... |
261 | * ebx = pointer to the image in the format BBGGRRBBGGRR... |
262 | * ecx = [size on axis x]*65536 + [size on axis y] |
262 | * ecx = [size on axis x]*65536 + [size on axis y] |
263 | * edx = [coordinate on axis x]*65536 + [coordinate on axis y] |
263 | * edx = [coordinate on axis x]*65536 + [coordinate on axis y] |
264 | Returned value: |
264 | Returned value: |
265 | * function does not return value |
265 | * function does not return value |
266 | Remarks: |
266 | Remarks: |
267 | * Coordinates of the image are coordinates of the upper left corner |
267 | * Coordinates of the image are coordinates of the upper left corner |
268 | of the image relative to the window. |
268 | of the image relative to the window. |
269 | * Size of the image in bytes is 3*xsize*ysize. |
269 | * Size of the image in bytes is 3*xsize*ysize. |
270 | 270 | ||
271 | ====================================================================== |
271 | ====================================================================== |
272 | =============== Function 8 - define/delete the button. =============== |
272 | =============== Function 8 - define/delete the button. =============== |
273 | ====================================================================== |
273 | ====================================================================== |
274 | Parameters for button definition: |
274 | Parameters for button definition: |
275 | * eax = 8 - function number |
275 | * eax = 8 - function number |
276 | * ebx = [coordinate on axis x]*65536 + [size on axis x] |
276 | * ebx = [coordinate on axis x]*65536 + [size on axis x] |
277 | * ecx = [coordinate on axis y]*65536 + [size on axis y] |
277 | * ecx = [coordinate on axis y]*65536 + [size on axis y] |
278 | * edx = 0xXYnnnnnn, where: |
278 | * edx = 0xXYnnnnnn, where: |
279 | * nnnnnn = identifier of the button |
279 | * nnnnnn = identifier of the button |
280 | * high (31st) bit of edx is cleared |
280 | * high (31st) bit of edx is cleared |
281 | * if 30th bit of edx is set - do not draw the button |
281 | * if 30th bit of edx is set - do not draw the button |
282 | * if 29th bit of edx is set - do not draw a frame |
282 | * if 29th bit of edx is set - do not draw a frame |
283 | at pressing the button |
283 | at pressing the button |
284 | * esi = 0x00RRGGBB - color of the button |
284 | * esi = 0x00RRGGBB - color of the button |
285 | Parameters for button deleting: |
285 | Parameters for button deleting: |
286 | * eax = 8 - function number |
286 | * eax = 8 - function number |
287 | * edx = 0x80nnnnnn, where nnnnnn - identifier of the button |
287 | * edx = 0x80nnnnnn, where nnnnnn - identifier of the button |
288 | Returned value: |
288 | Returned value: |
289 | * function does not return value |
289 | * function does not return value |
290 | Remarks: |
290 | Remarks: |
291 | * Sizes of the button must be more than 0 and less than 0x8000. |
291 | * Sizes of the button must be more than 0 and less than 0x8000. |
292 | * For windows with skin definition of the window |
292 | * For windows with skin definition of the window |
293 | (call of 0th function) creates two standard buttons - |
293 | (call of 0th function) creates two standard buttons - |
294 | for close of the window with identifier 1 and |
294 | for close of the window with identifier 1 and |
295 | for minimize of the window with identifier 0xffff. |
295 | for minimize of the window with identifier 0xffff. |
296 | * The creation of two buttons with same identifiers is admitted. |
296 | * The creation of two buttons with same identifiers is admitted. |
297 | * The button with the identifier 0xffff at pressing is interpreted |
297 | * The button with the identifier 0xffff at pressing is interpreted |
298 | by the system as the button of minimization, the system handles |
298 | by the system as the button of minimization, the system handles |
299 | such pressing independently, not accessing to the application. |
299 | such pressing independently, not accessing to the application. |
300 | In rest it is usual button. |
300 | In rest it is usual button. |
301 | * Total number of buttons for all applications is limited to 4095. |
301 | * Total number of buttons for all applications is limited to 4095. |
302 | 302 | ||
303 | ====================================================================== |
303 | ====================================================================== |
304 | ============ Function 9 - information on execution thread. =========== |
304 | ============ Function 9 - information on execution thread. =========== |
305 | ====================================================================== |
305 | ====================================================================== |
306 | Parameters: |
306 | Parameters: |
307 | * eax = 9 - function number |
307 | * eax = 9 - function number |
308 | * ebx = pointer to 1-Kb buffer |
308 | * ebx = pointer to 1-Kb buffer |
309 | * ecx = number of the slot of the thread |
309 | * ecx = number of the slot of the thread |
310 | ecx = -1 - get information on the current thread |
310 | ecx = -1 - get information on the current thread |
311 | Returned value: |
311 | Returned value: |
312 | * eax = maximum number of the slot of a thread |
312 | * eax = maximum number of the slot of a thread |
313 | * buffer pointed to by ebx contains the following information: |
313 | * buffer pointed to by ebx contains the following information: |
314 | * +0: dword: usage of the processor (how many time units |
314 | * +0: dword: usage of the processor (how many time units |
315 | per second leaves on execution of this thread) |
315 | per second leaves on execution of this thread) |
316 | * +4: word: position of the window of thread in the window stack |
316 | * +4: word: position of the window of thread in the window stack |
317 | * +6: word: (has no relation to the specified thread) |
317 | * +6: word: (has no relation to the specified thread) |
318 | number of the thread slot, which window has in the window stack |
318 | number of the thread slot, which window has in the window stack |
319 | position ecx |
319 | position ecx |
320 | * +8: word: reserved |
320 | * +8: word: reserved |
321 | * +10 = +0xA: 11 bytes: name of the process |
321 | * +10 = +0xA: 11 bytes: name of the process |
322 | (name of corresponding executable file in the format 8+3) |
322 | (name of corresponding executable file in the format 8+3) |
323 | * +21 = +0x15: byte: alignment, this byte preserves |
323 | * +21 = +0x15: byte: alignment, this byte preserves |
324 | * +22 = +0x16: dword: address of the process in memory |
324 | * +22 = +0x16: dword: address of the process in memory |
325 | * +26 = +0x1A: dword: size of used memory - 1 |
325 | * +26 = +0x1A: dword: size of used memory - 1 |
326 | * +30 = +0x1E: dword: identifier (PID/TID) |
326 | * +30 = +0x1E: dword: identifier (PID/TID) |
327 | * +34 = +0x22: dword: coordinate of the thread window on axis x |
327 | * +34 = +0x22: dword: coordinate of the thread window on axis x |
328 | * +38 = +0x26: dword: coordinate of the thread window on axis y |
328 | * +38 = +0x26: dword: coordinate of the thread window on axis y |
329 | * +42 = +0x2A: dword: size of the thread window on axis x |
329 | * +42 = +0x2A: dword: size of the thread window on axis x |
330 | * +46 = +0x2E: dword: size of the thread window on axis y |
330 | * +46 = +0x2E: dword: size of the thread window on axis y |
331 | * +50 = +0x32: word: status of the thread slot: |
331 | * +50 = +0x32: word: status of the thread slot: |
332 | * 0 = thread is running |
332 | * 0 = thread is running |
333 | * 1 = thread is suspended |
333 | * 1 = thread is suspended |
334 | * 2 = thread is suspended while waiting for event |
334 | * 2 = thread is suspended while waiting for event |
335 | * 3 = thread is terminating as a result of call to function -1 |
335 | * 3 = thread is terminating as a result of call to function -1 |
336 | or under duress as a result of call to subfunction 2 |
336 | or under duress as a result of call to subfunction 2 |
337 | of function 18 or termination of the system |
337 | of function 18 or termination of the system |
338 | * 4 = thread is terminating as a result of exception |
338 | * 4 = thread is terminating as a result of exception |
339 | * 5 = thread waits for event |
339 | * 5 = thread waits for event |
340 | * 9 = requested slot is free, all other information on the slot |
340 | * 9 = requested slot is free, all other information on the slot |
341 | is not meaningful |
341 | is not meaningful |
342 | Remarks: |
342 | Remarks: |
343 | * Slots are numbered starting from 1. |
343 | * Slots are numbered starting from 1. |
344 | * Returned value is not a total number of threads, because there |
344 | * Returned value is not a total number of threads, because there |
345 | can be free slots. |
345 | can be free slots. |
346 | * When process is starting, system automatically creates |
346 | * When process is starting, system automatically creates |
347 | execution thread. |
347 | execution thread. |
348 | * Function gives information on the thread. Each process has |
348 | * Function gives information on the thread. Each process has |
349 | at least one thread. One process can create many threads, |
349 | at least one thread. One process can create many threads, |
350 | in this case each thread has its own slot and the fields |
350 | in this case each thread has its own slot and the fields |
351 | +10, +22, +26 in these slots coincide. |
351 | +10, +22, +26 in these slots coincide. |
352 | Applications have no common way to define whether two threads |
352 | Applications have no common way to define whether two threads |
353 | belong to one process. |
353 | belong to one process. |
354 | * The active window - window on top of the window stack - |
354 | * The active window - window on top of the window stack - |
355 | receives the messages on a keyboard input. For such window |
355 | receives the messages on a keyboard input. For such window |
356 | the position in the window stack coincides with returned value. |
356 | the position in the window stack coincides with returned value. |
357 | * Slot 1 corresponds to special system thread, for which: |
357 | * Slot 1 corresponds to special system thread, for which: |
358 | * the window is in the bottom of the window stack, the fields |
358 | * the window is in the bottom of the window stack, the fields |
359 | +4 and +6 contain value 1 |
359 | +4 and +6 contain value 1 |
360 | * name of the process - "OS/IDLE" (supplemented by spaces) |
360 | * name of the process - "OS/IDLE" (supplemented by spaces) |
361 | * address of the process in memory is 0, size of used memory is |
361 | * address of the process in memory is 0, size of used memory is |
362 | 16 Mb (0x1000000) |
362 | 16 Mb (0x1000000) |
363 | * PID=1 |
363 | * PID=1 |
364 | * coordinates and sizes of the window are by convention set to 0 |
364 | * coordinates and sizes of the window are by convention set to 0 |
365 | * status of the slot is always 0 (running) |
365 | * status of the slot is always 0 (running) |
366 | * the execution time adds of time leaving on operations itself |
366 | * the execution time adds of time leaving on operations itself |
367 | and idle time in waiting for interrupt (which can be got by call |
367 | and idle time in waiting for interrupt (which can be got by call |
368 | to subfunction 4 of function 18). |
368 | to subfunction 4 of function 18). |
369 | * Beginning from slot 2, the normal applications are placed. |
369 | * Beginning from slot 2, the normal applications are placed. |
370 | * The normal applications are placed in memory at the address |
370 | * The normal applications are placed in memory at the address |
371 | 0x10000000 (kernel constand 'std_application_base_address'). |
371 | 0x10000000 (kernel constand 'std_application_base_address'). |
372 | There is no intersection, as each process has its own page table. |
372 | There is no intersection, as each process has its own page table. |
373 | * At creation of the thread it is assigned the slot |
373 | * At creation of the thread it is assigned the slot |
374 | in the system table and identifier (Process/Thread IDentifier = |
374 | in the system table and identifier (Process/Thread IDentifier = |
375 | PID/TID), which do not vary with time for given thread. |
375 | PID/TID), which do not vary with time for given thread. |
376 | After completion of the thread its slot can be anew used |
376 | After completion of the thread its slot can be anew used |
377 | for another thread. The thread identifier can not be assigned |
377 | for another thread. The thread identifier can not be assigned |
378 | to other thread even after completion of this thread. |
378 | to other thread even after completion of this thread. |
379 | Identifiers, assigned to new threads, grow monotonously. |
379 | Identifiers, assigned to new threads, grow monotonously. |
380 | * If the thread has not yet defined the window by call to |
380 | * If the thread has not yet defined the window by call to |
381 | function 0, the position and the sizes |
381 | function 0, the position and the sizes |
382 | of its window are considered to be zero. |
382 | of its window are considered to be zero. |
383 | * At the moment only the part of the buffer by a size |
383 | * At the moment only the part of the buffer by a size |
384 | 52 = 0x34 bytes is used. Nevertheless it is recommended to use |
384 | 52 = 0x34 bytes is used. Nevertheless it is recommended to use |
385 | 1-Kb buffer for the future compatibility, in the future |
385 | 1-Kb buffer for the future compatibility, in the future |
386 | some fields can be added. |
386 | some fields can be added. |
387 | 387 | ||
388 | ====================================================================== |
388 | ====================================================================== |
389 | ==================== Function 10 - wait for event. =================== |
389 | ==================== Function 10 - wait for event. =================== |
390 | ====================================================================== |
390 | ====================================================================== |
391 | If the message queue is empty, waits for appearance of the message |
391 | If the message queue is empty, waits for appearance of the message |
392 | in queue. In this state thread does not consume CPU time. |
392 | in queue. In this state thread does not consume CPU time. |
393 | Then reads out the message from queue. |
393 | Then reads out the message from queue. |
394 | 394 | ||
395 | Parameters: |
395 | Parameters: |
396 | * eax = 10 - function number |
396 | * eax = 10 - function number |
397 | Returned value: |
397 | Returned value: |
398 | * eax = event (see the list of events) |
398 | * eax = event (see the list of events) |
399 | Remarks: |
399 | Remarks: |
400 | * Those events are taken into account only which enter into |
400 | * Those events are taken into account only which enter into |
401 | a mask set by function 40. By default it is |
401 | a mask set by function 40. By default it is |
402 | redraw, key and button events. |
402 | redraw, key and button events. |
403 | * To check, whether there is a message in queue, use function 11. |
403 | * To check, whether there is a message in queue, use function 11. |
404 | To wait for no more than given time, use function 23. |
404 | To wait for no more than given time, use function 23. |
405 | 405 | ||
406 | ====================================================================== |
406 | ====================================================================== |
407 | =============== Function 11 - check for event, no wait. ============== |
407 | =============== Function 11 - check for event, no wait. ============== |
408 | ====================================================================== |
408 | ====================================================================== |
409 | If the message queue contains event, function reads out |
409 | If the message queue contains event, function reads out |
410 | and return it. If the queue is empty, function returns 0. |
410 | and return it. If the queue is empty, function returns 0. |
411 | Parameters: |
411 | Parameters: |
412 | * eax = 11 - function number |
412 | * eax = 11 - function number |
413 | Returned value: |
413 | Returned value: |
414 | * eax = 0 - message queue is empty |
414 | * eax = 0 - message queue is empty |
415 | * else eax = event (see the list of events) |
415 | * else eax = event (see the list of events) |
416 | Remarks: |
416 | Remarks: |
417 | * Those events are taken into account only, which enter into |
417 | * Those events are taken into account only, which enter into |
418 | a mask set by function 40. By default it is |
418 | a mask set by function 40. By default it is |
419 | redraw, key and button events. |
419 | redraw, key and button events. |
420 | * To wait for event, use function 10. |
420 | * To wait for event, use function 10. |
421 | To wait for no more than given time, use function 23. |
421 | To wait for no more than given time, use function 23. |
422 | 422 | ||
423 | ====================================================================== |
423 | ====================================================================== |
424 | =============== Function 12 - begin/end window redraw. =============== |
424 | =============== Function 12 - begin/end window redraw. =============== |
425 | ====================================================================== |
425 | ====================================================================== |
426 | 426 | ||
427 | ------------ Subfunction 1 - begin redraw of the window. ------------- |
427 | ------------ Subfunction 1 - begin redraw of the window. ------------- |
428 | Parameters: |
428 | Parameters: |
429 | * eax = 12 - function number |
429 | * eax = 12 - function number |
430 | * ebx = 1 - subfunction number |
430 | * ebx = 1 - subfunction number |
431 | Returned value: |
431 | Returned value: |
432 | * function does not return value |
432 | * function does not return value |
433 | 433 | ||
434 | ------------- Subfunction 2 - end redraw of the window. -------------- |
434 | ------------- Subfunction 2 - end redraw of the window. -------------- |
435 | Parameters: |
435 | Parameters: |
436 | * eax = 12 - function number |
436 | * eax = 12 - function number |
437 | * ebx = 2 - subfunction number |
437 | * ebx = 2 - subfunction number |
438 | Returned value: |
438 | Returned value: |
439 | * function does not return value |
439 | * function does not return value |
440 | Remarks: |
440 | Remarks: |
441 | * Subfunction 1 deletes all buttons defined with |
441 | * Subfunction 1 deletes all buttons defined with |
442 | function 8, they must be defined again. |
442 | function 8, they must be defined again. |
443 | 443 | ||
444 | ====================================================================== |
444 | ====================================================================== |
445 | ============ Function 13 - draw a rectangle in the window. =========== |
445 | ============ Function 13 - draw a rectangle in the window. =========== |
446 | ====================================================================== |
446 | ====================================================================== |
447 | Parameters: |
447 | Parameters: |
448 | * eax = 13 - function number |
448 | * eax = 13 - function number |
449 | * ebx = [coordinate on axis x]*65536 + [size on axis x] |
449 | * ebx = [coordinate on axis x]*65536 + [size on axis x] |
450 | * ecx = [coordinate on axis y]*65536 + [size on axis y] |
450 | * ecx = [coordinate on axis y]*65536 + [size on axis y] |
451 | * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill |
451 | * edx = color 0xRRGGBB or 0x80RRGGBB for gradient fill |
452 | Returned value: |
452 | Returned value: |
453 | * function does not return value |
453 | * function does not return value |
454 | Remarks: |
454 | Remarks: |
455 | * Coordinates are understood as coordinates of the left upper corner |
455 | * Coordinates are understood as coordinates of the left upper corner |
456 | of a rectangle relative to the window. |
456 | of a rectangle relative to the window. |
457 | 457 | ||
458 | ====================================================================== |
458 | ====================================================================== |
459 | =================== Function 14 - get screen size. =================== |
459 | =================== Function 14 - get screen size. =================== |
460 | ====================================================================== |
460 | ====================================================================== |
461 | Parameters: |
461 | Parameters: |
462 | * eax = 14 - function number |
462 | * eax = 14 - function number |
463 | Returned value: |
463 | Returned value: |
464 | * eax = [xsize]*65536 + [ysize], where |
464 | * eax = [xsize]*65536 + [ysize], where |
465 | * xsize = x-coordinate of the right lower corner of the screen = |
465 | * xsize = x-coordinate of the right lower corner of the screen = |
466 | horizontal size - 1 |
466 | horizontal size - 1 |
467 | * ysize = y-coordinate of the right lower corner of the screen = |
467 | * ysize = y-coordinate of the right lower corner of the screen = |
468 | vertical size - 1 |
468 | vertical size - 1 |
469 | Remarks: |
469 | Remarks: |
470 | * See also subfunction 5 of function 48 - get sizes of |
470 | * See also subfunction 5 of function 48 - get sizes of |
471 | working area of the screen. |
471 | working area of the screen. |
472 | 472 | ||
473 | ====================================================================== |
473 | ====================================================================== |
474 | == Function 15, subfunction 1 - set a size of the background image. == |
474 | == Function 15, subfunction 1 - set a size of the background image. == |
475 | ====================================================================== |
475 | ====================================================================== |
476 | Parameters: |
476 | Parameters: |
477 | * eax = 15 - function number |
477 | * eax = 15 - function number |
478 | * ebx = 1 - subfunction number |
478 | * ebx = 1 - subfunction number |
479 | * ecx = width of the image |
479 | * ecx = width of the image |
480 | * edx = height of the image |
480 | * edx = height of the image |
481 | Returned value: |
481 | Returned value: |
482 | * function does not return value |
482 | * function does not return value |
483 | Remarks: |
483 | Remarks: |
484 | * There is no checks for correctness. The setting of too large |
484 | * There is no checks for correctness. The setting of too large |
485 | values will result that the background will contain data abroad |
485 | values will result that the background will contain data abroad |
486 | of buffer for the background image. Buffer size = 0x160000-0x10, |
486 | of buffer for the background image. Buffer size = 0x160000-0x10, |
487 | that corresponds to maximum size 800*600. (800*600*3=0x15F900) |
487 | that corresponds to maximum size 800*600. (800*600*3=0x15F900) |
488 | * For update of the screen (after completion of a series of commands |
488 | * For update of the screen (after completion of a series of commands |
489 | working with a background) call subfunction 3. |
489 | working with a background) call subfunction 3. |
490 | * There is a pair function for get size of the background image - |
490 | * There is a pair function for get size of the background image - |
491 | subfunction 1 of function 39. |
491 | subfunction 1 of function 39. |
492 | 492 | ||
493 | ====================================================================== |
493 | ====================================================================== |
494 | === Function 15, subfunction 2 - put pixel on the background image. == |
494 | === Function 15, subfunction 2 - put pixel on the background image. == |
495 | ====================================================================== |
495 | ====================================================================== |
496 | Parameters: |
496 | Parameters: |
497 | * eax = 15 - function number |
497 | * eax = 15 - function number |
498 | * ebx = 2 - subfunction number |
498 | * ebx = 2 - subfunction number |
499 | * ecx = offset |
499 | * ecx = offset |
500 | * edx = color of a pixel 0xRRGGBB |
500 | * edx = color of a pixel 0xRRGGBB |
501 | Returned value: |
501 | Returned value: |
502 | * function does not return value |
502 | * function does not return value |
503 | Remarks: |
503 | Remarks: |
504 | * Offset for a pixel with coordinates (x,y) is calculated as |
504 | * Offset for a pixel with coordinates (x,y) is calculated as |
505 | (x+y*xsize)*3. |
505 | (x+y*xsize)*3. |
506 | * If the given offset exceeds 0x160000-16 = 1.375 Mb - 16 bytes, |
506 | * If the given offset exceeds 0x160000-16 = 1.375 Mb - 16 bytes, |
507 | the call is ignored. |
507 | the call is ignored. |
508 | * For update of the screen (after completion of a series of commands |
508 | * For update of the screen (after completion of a series of commands |
509 | working with a background) call subfunction 3. |
509 | working with a background) call subfunction 3. |
510 | * There is a pair function for get pixel on the background image - |
510 | * There is a pair function for get pixel on the background image - |
511 | subfunction 2 of function 39. |
511 | subfunction 2 of function 39. |
512 | 512 | ||
513 | ====================================================================== |
513 | ====================================================================== |
514 | =========== Function 15, subfunction 3 - redraw background. ========== |
514 | =========== Function 15, subfunction 3 - redraw background. ========== |
515 | ====================================================================== |
515 | ====================================================================== |
516 | Parameters: |
516 | Parameters: |
517 | * eax = 15 - function number |
517 | * eax = 15 - function number |
518 | * ebx = 3 - subfunction number |
518 | * ebx = 3 - subfunction number |
519 | Returned value: |
519 | Returned value: |
520 | * function does not return value |
520 | * function does not return value |
521 | 521 | ||
522 | ====================================================================== |
522 | ====================================================================== |
523 | == Function 15, subfunction 4 - set drawing mode for the background. = |
523 | == Function 15, subfunction 4 - set drawing mode for the background. = |
524 | ====================================================================== |
524 | ====================================================================== |
525 | Parameters: |
525 | Parameters: |
526 | * eax = 15 - function number |
526 | * eax = 15 - function number |
527 | * ebx = 4 - subfunction number |
527 | * ebx = 4 - subfunction number |
528 | * ecx = drawing mode: |
528 | * ecx = drawing mode: |
529 | * 1 = tile |
529 | * 1 = tile |
530 | * 2 = stretch |
530 | * 2 = stretch |
531 | Returned value: |
531 | Returned value: |
532 | * function does not return value |
532 | * function does not return value |
533 | Remarks: |
533 | Remarks: |
534 | * For update of the screen (after completion of a series of commands |
534 | * For update of the screen (after completion of a series of commands |
535 | working with a background) call subfunction 3. |
535 | working with a background) call subfunction 3. |
536 | * There is a pair function for get drawing mode of the background - |
536 | * There is a pair function for get drawing mode of the background - |
537 | subfunction 4 of function 39. |
537 | subfunction 4 of function 39. |
538 | 538 | ||
539 | ====================================================================== |
539 | ====================================================================== |
540 | ===================== Function 15, subfunction 5 ===================== |
540 | ===================== Function 15, subfunction 5 ===================== |
541 | ============ Put block of pixels on the background image. ============ |
541 | ============ Put block of pixels on the background image. ============ |
542 | ====================================================================== |
542 | ====================================================================== |
543 | Parameters: |
543 | Parameters: |
544 | * eax = 15 - function number |
544 | * eax = 15 - function number |
545 | * ebx = 5 - subfunction number |
545 | * ebx = 5 - subfunction number |
546 | * ecx = pointer to the data in the format BBGGRRBBGGRR... |
546 | * ecx = pointer to the data in the format BBGGRRBBGGRR... |
547 | * edx = offset in data of the background image |
547 | * edx = offset in data of the background image |
548 | * esi = size of data in bytes = 3 * number of pixels |
548 | * esi = size of data in bytes = 3 * number of pixels |
549 | Returned value: |
549 | Returned value: |
550 | * function does not return value |
550 | * function does not return value |
551 | Remarks: |
551 | Remarks: |
552 | * If the block gets out abroad 0x160000-16 = 1.375 Mb - 16 bytes, |
552 | * If the block gets out abroad 0x160000-16 = 1.375 Mb - 16 bytes, |
553 | the call is ignored. |
553 | the call is ignored. |
554 | * Color of each pixel is stored as 3-bytes value BBGGRR. |
554 | * Color of each pixel is stored as 3-bytes value BBGGRR. |
555 | * Pixels of the background image are written sequentially |
555 | * Pixels of the background image are written sequentially |
556 | from left to right, from up to down. |
556 | from left to right, from up to down. |
557 | * Offset of pixel with coordinates (x,y) is (x+y*xsize)*3. |
557 | * Offset of pixel with coordinates (x,y) is (x+y*xsize)*3. |
558 | * For update of the screen (after completion of a series of commands |
558 | * For update of the screen (after completion of a series of commands |
559 | working with a background) call subfunction 3. |
559 | working with a background) call subfunction 3. |
560 | 560 | ||
561 | ====================================================================== |
561 | ====================================================================== |
562 | =============== Function 16 - save ramdisk on a floppy. ============== |
562 | =============== Function 16 - save ramdisk on a floppy. ============== |
563 | ====================================================================== |
563 | ====================================================================== |
564 | Parameters: |
564 | Parameters: |
565 | * eax = 16 - function number |
565 | * eax = 16 - function number |
566 | * ebx = 1 or ebx = 2 - on which floppy save |
566 | * ebx = 1 or ebx = 2 - on which floppy save |
567 | Returned value: |
567 | Returned value: |
568 | * eax = 0 - success |
568 | * eax = 0 - success |
569 | * eax = 1 - error |
569 | * eax = 1 - error |
570 | 570 | ||
571 | ====================================================================== |
571 | ====================================================================== |
572 | ======= Function 17 - get the identifier of the pressed button. ====== |
572 | ======= Function 17 - get the identifier of the pressed button. ====== |
573 | ====================================================================== |
573 | ====================================================================== |
574 | Takes away the code of the pressed button from the buffer. |
574 | Takes away the code of the pressed button from the buffer. |
575 | Parameters: |
575 | Parameters: |
576 | * eax = 17 - function number |
576 | * eax = 17 - function number |
577 | Returned value: |
577 | Returned value: |
578 | * if the buffer is empty, function returns eax=1 |
578 | * if the buffer is empty, function returns eax=1 |
579 | * if the buffer is not empty, function returns al=0, |
579 | * if the buffer is not empty, function returns al=0, |
580 | high 24 bits of eax contain button identifier (in particular, ah |
580 | high 24 bits of eax contain button identifier (in particular, ah |
581 | contains low byte of the identifier; if all buttons have |
581 | contains low byte of the identifier; if all buttons have |
582 | the identifier less than 256, ah is enough to distinguish). |
582 | the identifier less than 256, ah is enough to distinguish). |
583 | Remarks: |
583 | Remarks: |
584 | * "Buffer" keeps only one button, at pressing the new button the |
584 | * "Buffer" keeps only one button, at pressing the new button the |
585 | information about old is lost. |
585 | information about old is lost. |
586 | * The call of this function by an application with inactive window |
586 | * The call of this function by an application with inactive window |
587 | will return answer "buffer is empty". |
587 | will return answer "buffer is empty". |
588 | 588 | ||
589 | ====================================================================== |
589 | ====================================================================== |
590 | ============ Function 18, subfunction 1 - system shutdown. =========== |
590 | ============ Function 18, subfunction 1 - system shutdown. =========== |
591 | ====================================================================== |
591 | ====================================================================== |
592 | Parameters: |
592 | Parameters: |
593 | * eax = 18 - function number |
593 | * eax = 18 - function number |
594 | * ebx = 1 - subfunction number |
594 | * ebx = 1 - subfunction number |
595 | Returned value: |
595 | Returned value: |
596 | * function always return eax = 0 as tag of success |
596 | * function always return eax = 0 as tag of success |
597 | Remarks: |
597 | Remarks: |
598 | * On the last step menu of exit from the system appears and waits |
598 | * On the last step menu of exit from the system appears and waits |
599 | response of the user. |
599 | response of the user. |
600 | * See also subfunction 9, system shutdown with |
600 | * See also subfunction 9, system shutdown with |
601 | the parameter to force the choice in the exit menu. |
601 | the parameter to force the choice in the exit menu. |
602 | 602 | ||
603 | ====================================================================== |
603 | ====================================================================== |
604 | = Function 18, subfunction 2 - terminate process/thread by the slot. = |
604 | = Function 18, subfunction 2 - terminate process/thread by the slot. = |
605 | ====================================================================== |
605 | ====================================================================== |
606 | Parameters: |
606 | Parameters: |
607 | * eax = 18 - function number |
607 | * eax = 18 - function number |
608 | * ebx = 2 - subfunction number |
608 | * ebx = 2 - subfunction number |
609 | * ecx = number of the slot of process/thread |
609 | * ecx = number of the slot of process/thread |
610 | Returned value: |
610 | Returned value: |
611 | * function does not return value |
611 | * function does not return value |
612 | Remarks: |
612 | Remarks: |
613 | * It is impossible to terminate system thread OS/IDLE (with |
613 | * It is impossible to terminate system thread OS/IDLE (with |
614 | number of the slot 1), |
614 | number of the slot 1), |
615 | it is possible to terminate any normal process/thread. |
615 | it is possible to terminate any normal process/thread. |
616 | * See also subfunction 18 - terminate |
616 | * See also subfunction 18 - terminate |
617 | process/thread by the identifier. |
617 | process/thread by the identifier. |
618 | 618 | ||
619 | ====================================================================== |
619 | ====================================================================== |
620 | ===================== Function 18, subfunction 3 ===================== |
620 | ===================== Function 18, subfunction 3 ===================== |
621 | ============= Make active the window of the given thread. ============ |
621 | ============= Make active the window of the given thread. ============ |
622 | ====================================================================== |
622 | ====================================================================== |
623 | Parameters: |
623 | Parameters: |
624 | * eax = 18 - function number |
624 | * eax = 18 - function number |
625 | * ebx = 3 - subfunction number |
625 | * ebx = 3 - subfunction number |
626 | * ecx = number of the thread slot |
626 | * ecx = number of the thread slot |
627 | Returned value: |
627 | Returned value: |
628 | * function does not return value |
628 | * function does not return value |
629 | Remarks: |
629 | Remarks: |
630 | * If correct, but nonexistent slot is given, |
630 | * If correct, but nonexistent slot is given, |
631 | some window is made active. |
631 | some window is made active. |
632 | * To find out, which window is active, use subfunction 7. |
632 | * To find out, which window is active, use subfunction 7. |
633 | 633 | ||
634 | ====================================================================== |
634 | ====================================================================== |
635 | ===================== Function 18, subfunction 4 ===================== |
635 | ===================== Function 18, subfunction 4 ===================== |
636 | =========== Get counter of idle time units per one second. =========== |
636 | =========== Get counter of idle time units per one second. =========== |
637 | ====================================================================== |
637 | ====================================================================== |
638 | Idle time units are units, in which the processor stands idle |
638 | Idle time units are units, in which the processor stands idle |
639 | in waiting for interrupt (in the command 'hlt'). |
639 | in waiting for interrupt (in the command 'hlt'). |
640 | 640 | ||
641 | Parameters: |
641 | Parameters: |
642 | * eax = 18 - function number |
642 | * eax = 18 - function number |
643 | * ebx = 4 - subfunction number |
643 | * ebx = 4 - subfunction number |
644 | Returned value: |
644 | Returned value: |
645 | * eax = value of the counter of idle time units per one second |
645 | * eax = value of the counter of idle time units per one second |
646 | 646 | ||
647 | ====================================================================== |
647 | ====================================================================== |
648 | ========== Function 18, subfunction 5 - get CPU clock rate. ========== |
648 | ========== Function 18, subfunction 5 - get CPU clock rate. ========== |
649 | ====================================================================== |
649 | ====================================================================== |
650 | Parameters: |
650 | Parameters: |
651 | * eax = 18 - function number |
651 | * eax = 18 - function number |
652 | * ebx = 5 - subfunction number |
652 | * ebx = 5 - subfunction number |
653 | Returned value: |
653 | Returned value: |
654 | * eax = clock rate (modulo 2^32 clock ticks = 4GHz) |
654 | * eax = clock rate (modulo 2^32 clock ticks = 4GHz) |
655 | 655 | ||
656 | ====================================================================== |
656 | ====================================================================== |
657 | Function 18, subfunction 6 - save ramdisk to the file on hard drive. |
657 | Function 18, subfunction 6 - save ramdisk to the file on hard drive. |
658 | ====================================================================== |
658 | ====================================================================== |
659 | Parameters: |
659 | Parameters: |
660 | * eax = 18 - function number |
660 | * eax = 18 - function number |
661 | * ebx = 6 - subfunction number |
661 | * ebx = 6 - subfunction number |
662 | * ecx defines path to the file: |
662 | * ecx defines path to the file: |
663 | * 1 = in the folder "/KOLIBRI" |
663 | * 1 = in the folder "/KOLIBRI" |
664 | * 2 = in the root folder |
664 | * 2 = in the root folder |
665 | * 3 = edx points to the path (names of folders in the format 8+3, |
665 | * 3 = edx points to the path (names of folders in the format 8+3, |
666 | divided by '/') |
666 | divided by '/') |
667 | Returned value: |
667 | Returned value: |
668 | * eax = 0 - success |
668 | * eax = 0 - success |
669 | * else eax = error code of the file system |
669 | * else eax = error code of the file system |
670 | Çàìå÷àíèÿ: |
670 | Çàìå÷àíèÿ: |
671 | * Filename is fixed, "menuet.img" (global kernel variable |
671 | * Filename is fixed, "menuet.img" (global kernel variable |
672 | 'image_save' from 'preboot.inc') |
672 | 'image_save' from 'preboot.inc') |
673 | * Drive and partition are defined by subfunction 7 |
673 | * Drive and partition are defined by subfunction 7 |
674 | and subfunction 8 of function 21. |
674 | and subfunction 8 of function 21. |
675 | * All folders in the given path must exist, otherwise function |
675 | * All folders in the given path must exist, otherwise function |
676 | returns value 5, "file not found". |
676 | returns value 5, "file not found". |
677 | 677 | ||
678 | ====================================================================== |
678 | ====================================================================== |
679 | =========== Function 18, subfunction 7 - get active window. ========== |
679 | =========== Function 18, subfunction 7 - get active window. ========== |
680 | ====================================================================== |
680 | ====================================================================== |
681 | Parameters: |
681 | Parameters: |
682 | * eax = 18 - function number |
682 | * eax = 18 - function number |
683 | * ebx = 7 - subfunction number |
683 | * ebx = 7 - subfunction number |
684 | Returned value: |
684 | Returned value: |
685 | * eax = number of the active window |
685 | * eax = number of the active window |
686 | (number of the slot of the thread with active window) |
686 | (number of the slot of the thread with active window) |
687 | Remarks: |
687 | Remarks: |
688 | * Active window is at the top of the window stack and receives |
688 | * Active window is at the top of the window stack and receives |
689 | messages on all keyboard input. |
689 | messages on all keyboard input. |
690 | * To make a window active, use subfunction 3. |
690 | * To make a window active, use subfunction 3. |
691 | 691 | ||
692 | ====================================================================== |
692 | ====================================================================== |
693 | == Function 18, subfunction 8 - disable/enable the internal speaker. = |
693 | == Function 18, subfunction 8 - disable/enable the internal speaker. = |
694 | ====================================================================== |
694 | ====================================================================== |
695 | If speaker sound is disabled, all calls to subfunction 55 of |
695 | If speaker sound is disabled, all calls to subfunction 55 of |
696 | function 55 are ignored. If speaker sound is enabled, |
696 | function 55 are ignored. If speaker sound is enabled, |
697 | they are routed on builtin speaker. |
697 | they are routed on builtin speaker. |
698 | 698 | ||
699 | ------------------- Subsubfunction 1 - get status. ------------------- |
699 | ------------------- Subsubfunction 1 - get status. ------------------- |
700 | Parameters: |
700 | Parameters: |
701 | * eax = 18 - function number |
701 | * eax = 18 - function number |
702 | * ebx = 8 - subfunction number |
702 | * ebx = 8 - subfunction number |
703 | * ecx = 1 - number of the subsubfunction |
703 | * ecx = 1 - number of the subsubfunction |
704 | Returned value: |
704 | Returned value: |
705 | * eax = 0 - speaker sound is enabled; 1 - disabled |
705 | * eax = 0 - speaker sound is enabled; 1 - disabled |
706 | 706 | ||
707 | ----------------- Subsubfunction 2 - toggle status. ------------------ |
707 | ----------------- Subsubfunction 2 - toggle status. ------------------ |
708 | Toggles states of disable/enable. |
708 | Toggles states of disable/enable. |
709 | Parameters: |
709 | Parameters: |
710 | * eax = 18 - function number |
710 | * eax = 18 - function number |
711 | * ebx = 8 - subfunction number |
711 | * ebx = 8 - subfunction number |
712 | * ecx = 2 - number of the subsubfunction |
712 | * ecx = 2 - number of the subsubfunction |
713 | Returned value: |
713 | Returned value: |
714 | * function does not return value |
714 | * function does not return value |
715 | 715 | ||
716 | ====================================================================== |
716 | ====================================================================== |
717 | == Function 18, subfunction 9 - system shutdown with the parameter. == |
717 | == Function 18, subfunction 9 - system shutdown with the parameter. == |
718 | ====================================================================== |
718 | ====================================================================== |
719 | Parameters: |
719 | Parameters: |
720 | * eax = 18 - function number |
720 | * eax = 18 - function number |
721 | * ebx = 9 - subfunction number |
721 | * ebx = 9 - subfunction number |
722 | * ecx = parameter: |
722 | * ecx = parameter: |
723 | * 1 = on the last step of shutdown save ramdisk on a floppy and |
723 | * 1 = on the last step of shutdown save ramdisk on a floppy and |
724 | then show the exit menu and request further operations |
724 | then show the exit menu and request further operations |
725 | from the user |
725 | from the user |
726 | * 2 = turn off computer |
726 | * 2 = turn off computer |
727 | * 3 = reboot computer |
727 | * 3 = reboot computer |
728 | * 4 = restart the kernel from the file 'kernel.mnt' on ramdisk |
728 | * 4 = restart the kernel from the file 'kernel.mnt' on ramdisk |
729 | Returned value: |
729 | Returned value: |
730 | * at incorrect ecx the registers do not change (i.e. eax=18) |
730 | * at incorrect ecx the registers do not change (i.e. eax=18) |
731 | * by correct call function always returns eax=0 |
731 | * by correct call function always returns eax=0 |
732 | as the tag of success |
732 | as the tag of success |
733 | Remarks: |
733 | Remarks: |
734 | * Do not rely on returned value by incorrect call, it can be |
734 | * Do not rely on returned value by incorrect call, it can be |
735 | changed in future versions of the kernel. |
735 | changed in future versions of the kernel. |
736 | * It is possible to use subfunction 1, that on the last step |
736 | * It is possible to use subfunction 1, that on the last step |
737 | the user makes choice himself. |
737 | the user makes choice himself. |
738 | * It is not recommended to use value ecx=1 (to not irritate the user |
738 | * It is not recommended to use value ecx=1 (to not irritate the user |
739 | with excessive questions); to save ramdisk on a floppy use |
739 | with excessive questions); to save ramdisk on a floppy use |
740 | function 16 (which admits specification, on which floppy to |
740 | function 16 (which admits specification, on which floppy to |
741 | write), and to shutdown with the exit menu use already mentioned |
741 | write), and to shutdown with the exit menu use already mentioned |
742 | subfunction 1. |
742 | subfunction 1. |
743 | 743 | ||
744 | ====================================================================== |
744 | ====================================================================== |
745 | ===== Function 18, subfunction 10 - minimize application window. ===== |
745 | ===== Function 18, subfunction 10 - minimize application window. ===== |
746 | ====================================================================== |
746 | ====================================================================== |
747 | Minimizes the own window. |
747 | Minimizes the own window. |
748 | Parameters: |
748 | Parameters: |
749 | * eax = 18 - function number |
749 | * eax = 18 - function number |
750 | * ebx = 10 - subfunction number |
750 | * ebx = 10 - subfunction number |
751 | Returned value: |
751 | Returned value: |
752 | * function does not return value |
752 | * function does not return value |
753 | Remarks: |
753 | Remarks: |
754 | * The minimized window from the point of view of function 9 |
754 | * The minimized window from the point of view of function 9 |
755 | keeps position and sizes. |
755 | keeps position and sizes. |
756 | * Restoring of an application window occurs at its activation by |
756 | * Restoring of an application window occurs at its activation by |
757 | subfunction 3. |
757 | subfunction 3. |
758 | * Usually there is no necessity to minimize/restire a window |
758 | * Usually there is no necessity to minimize/restire a window |
759 | obviously: minimization of a window is carried out by the system |
759 | obviously: minimization of a window is carried out by the system |
760 | at pressing the minimization button (for skinned windows |
760 | at pressing the minimization button (for skinned windows |
761 | it is defined automatically by function 0, |
761 | it is defined automatically by function 0, |
762 | for other windows it can be defined manually by function 8), |
762 | for other windows it can be defined manually by function 8), |
763 | restore of a window is done by the application '@panel'. |
763 | restore of a window is done by the application '@panel'. |
764 | 764 | ||
765 | ====================================================================== |
765 | ====================================================================== |
766 | Function 18, subfunction 11 - get information on the disk subsystem. |
766 | Function 18, subfunction 11 - get information on the disk subsystem. |
767 | ====================================================================== |
767 | ====================================================================== |
768 | Parameters: |
768 | Parameters: |
769 | * eax = 18 - function number |
769 | * eax = 18 - function number |
770 | * ebx = 11 - subfunction number |
770 | * ebx = 11 - subfunction number |
771 | * ecx = type of the table: |
771 | * ecx = type of the table: |
772 | * 1 = short version, 10 bytes |
772 | * 1 = short version, 10 bytes |
773 | * 2 = full version, 65536 bytes |
773 | * 2 = full version, 65536 bytes |
774 | * edx = pointer to the buffer (in the application) for the table |
774 | * edx = pointer to the buffer (in the application) for the table |
775 | Returned value: |
775 | Returned value: |
776 | * function does not return value |
776 | * function does not return value |
777 | Format of the table: short version: |
777 | Format of the table: short version: |
778 | * +0: byte: information about FDD's (drives for floppies), |
778 | * +0: byte: information about FDD's (drives for floppies), |
779 | AAAABBBB, where AAAA gives type of the first drive, BBBB - |
779 | AAAABBBB, where AAAA gives type of the first drive, BBBB - |
780 | of the second regarding to the following list: |
780 | of the second regarding to the following list: |
781 | * 0 = there is no drive |
781 | * 0 = there is no drive |
782 | * 1 = 360Kb, 5.25'' |
782 | * 1 = 360Kb, 5.25'' |
783 | * 2 = 1.2Mb, 5.25'' |
783 | * 2 = 1.2Mb, 5.25'' |
784 | * 3 = 720Kb, 3.5'' |
784 | * 3 = 720Kb, 3.5'' |
785 | * 4 = 1.44Mb, 3.5'' |
785 | * 4 = 1.44Mb, 3.5'' |
786 | * 5 = 2.88Mb, 3.5'' (such drives are not used anymore) |
786 | * 5 = 2.88Mb, 3.5'' (such drives are not used anymore) |
787 | For example, for the standard configuration from one 1.44-drive |
787 | For example, for the standard configuration from one 1.44-drive |
788 | here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B: |
788 | here will be 40h, and for the case 1.2Mb on A: and 1.44Mb on B: |
789 | the value is 24h. |
789 | the value is 24h. |
790 | * +1: byte: information about hard disks and CD-drives, AABBCCDD, |
790 | * +1: byte: information about hard disks and CD-drives, AABBCCDD, |
791 | where AA corresponds to the controller IDE0, ..., DD - IDE3: |
791 | where AA corresponds to the controller IDE0, ..., DD - IDE3: |
792 | * 0 = device is absent |
792 | * 0 = device is absent |
793 | * 1 = hard drive |
793 | * 1 = hard drive |
794 | * 2 = CD-drive |
794 | * 2 = CD-drive |
795 | For example, in the case HD on IDE0 and CD on IDE2 |
795 | For example, in the case HD on IDE0 and CD on IDE2 |
796 | this field contains 48h. |
796 | this field contains 48h. |
797 | * +2: 4 db: number of the retrieved partitions on hard disks |
797 | * +2: 4 db: number of the retrieved partitions on hard disks |
798 | at accordingly IDE0,...,IDE3. |
798 | at accordingly IDE0,...,IDE3. |
799 | If the hard disk on IDEx is absent, appropriate byte is zero, |
799 | If the hard disk on IDEx is absent, appropriate byte is zero, |
800 | otherwise it shows number of the recognized partitions, which |
800 | otherwise it shows number of the recognized partitions, which |
801 | can be not presented (if the drive is not formatted or if |
801 | can be not presented (if the drive is not formatted or if |
802 | the file system is not supported). Current version of the kernel |
802 | the file system is not supported). Current version of the kernel |
803 | supports only FAT16 and FAT32 for hard disks. |
803 | supports only FAT16 and FAT32 for hard disks. |
804 | * +6: 4 db: reserved |
804 | * +6: 4 db: reserved |
805 | Format of the table: full version: |
805 | Format of the table: full version: |
806 | * +0: 10 db: same as for the short version |
806 | * +0: 10 db: same as for the short version |
807 | * +10: 100 db: data for the first partition |
807 | * +10: 100 db: data for the first partition |
808 | * +110: 100 db: data for the second partition |
808 | * +110: 100 db: data for the second partition |
809 | * ... |
809 | * ... |
810 | * +10+100*(n-1): 100 db: data for the last partition |
810 | * +10+100*(n-1): 100 db: data for the last partition |
811 | The partitions are located as follows: at first sequentially all |
811 | The partitions are located as follows: at first sequentially all |
812 | recoginzed partitions on HD on IDE0 (if present), |
812 | recoginzed partitions on HD on IDE0 (if present), |
813 | then on HD on IDE1 (if present) and so on up to IDE3. |
813 | then on HD on IDE1 (if present) and so on up to IDE3. |
814 | Format of the information about partition |
814 | Format of the information about partition |
815 | (at moment only FAT is supported): |
815 | (at moment only FAT is supported): |
816 | * +0: dword: first physical sector of the partition |
816 | * +0: dword: first physical sector of the partition |
817 | * +4: dword: last physical sector of the partition |
817 | * +4: dword: last physical sector of the partition |
818 | (belongs to the partition) |
818 | (belongs to the partition) |
819 | * +8: dword: sectors per one copy of FAT |
819 | * +8: dword: sectors per one copy of FAT |
820 | * +12 = +0xC: dword: number of copies of FAT |
820 | * +12 = +0xC: dword: number of copies of FAT |
821 | * +16 = +0x10: dword: number of sectors per cluster |
821 | * +16 = +0x10: dword: number of sectors per cluster |
822 | * +20 = +0x14: dword: bytes per sector; |
822 | * +20 = +0x14: dword: bytes per sector; |
823 | current implementation expects 0x200 = 512 in this field |
823 | current implementation expects 0x200 = 512 in this field |
824 | * +24 = +0x18: dword: first root cluster in FAT32, 0 for FAT16 |
824 | * +24 = +0x18: dword: first root cluster in FAT32, 0 for FAT16 |
825 | * +28 = +0x1C: dword: first physical sector of FAT |
825 | * +28 = +0x1C: dword: first physical sector of FAT |
826 | * +32 = +0x20: dword: first physical root sector for FAT16, |
826 | * +32 = +0x20: dword: first physical root sector for FAT16, |
827 | ignored for FAT32 |
827 | ignored for FAT32 |
828 | * +36 = +0x24: dword: number of root sectors for FAT16, |
828 | * +36 = +0x24: dword: number of root sectors for FAT16, |
829 | 0 for FAT32 |
829 | 0 for FAT32 |
830 | * +40 = +0x28: dword: physical sector of the beginning of |
830 | * +40 = +0x28: dword: physical sector of the beginning of |
831 | the data area |
831 | the data area |
832 | * +44 = +0x2C: dword: maximum number of a cluster |
832 | * +44 = +0x2C: dword: maximum number of a cluster |
833 | * +48 = +0x30: dword: physical sector of the information |
833 | * +48 = +0x30: dword: physical sector of the information |
834 | about the file system for FAT32, ignored for FAT16 |
834 | about the file system for FAT32, ignored for FAT16 |
835 | * +52 = +0x34: dword: value used as boundary for special |
835 | * +52 = +0x34: dword: value used as boundary for special |
836 | values in FAT |
836 | values in FAT |
837 | * +56 = +0x38: dword: value used for bad clusters in FAT |
837 | * +56 = +0x38: dword: value used for bad clusters in FAT |
838 | * +60 = +0x3C: dword: value used as the end marker for FAT chain |
838 | * +60 = +0x3C: dword: value used as the end marker for FAT chain |
839 | * +64 = +0x40: dword: mask for FAT items |
839 | * +64 = +0x40: dword: mask for FAT items |
840 | * +68 = +0x44: byte: file system type: 16 èëè 32 |
840 | * +68 = +0x44: byte: file system type: 16 èëè 32 |
841 | * +69 = +0x45: 31 db: reserved |
841 | * +69 = +0x45: 31 db: reserved |
842 | Remarks: |
842 | Remarks: |
843 | * The short table can be used for obtaining the information about |
843 | * The short table can be used for obtaining the information about |
844 | available devices. |
844 | available devices. |
845 | * First two fields in the information about partition |
845 | * First two fields in the information about partition |
846 | gives the parameters of partition, other - parameters of |
846 | gives the parameters of partition, other - parameters of |
847 | FAT file system. For other file systems (when they will be |
847 | FAT file system. For other file systems (when they will be |
848 | supported) specific for file system information will be, of |
848 | supported) specific for file system information will be, of |
849 | course, another, but first two fields will have the same sense. |
849 | course, another, but first two fields will have the same sense. |
850 | 850 | ||
851 | ====================================================================== |
851 | ====================================================================== |
852 | ========== Function 18, subfunction 13 - get kernel version. ========= |
852 | ========== Function 18, subfunction 13 - get kernel version. ========= |
853 | ====================================================================== |
853 | ====================================================================== |
854 | Parameters: |
854 | Parameters: |
855 | * eax = 18 - function number |
855 | * eax = 18 - function number |
856 | * ebx = 13 - subfunction number |
856 | * ebx = 13 - subfunction number |
857 | * ecx = pointer to the buffer (not less than 16 bytes), where |
857 | * ecx = pointer to the buffer (not less than 16 bytes), where |
858 | the information will be placed |
858 | the information will be placed |
859 | Returned value: |
859 | Returned value: |
860 | * function does not return value |
860 | * function does not return value |
861 | Structure of the buffer: |
861 | Structure of the buffer: |
862 | db a,b,c,d for version a.b.c.d |
862 | db a,b,c,d for version a.b.c.d |
863 | db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2 |
863 | db UID_xxx: one of UID_NONE=0, UID_MENUET=1, UID_KOLIBRI=2 |
864 | db 'name',0 - ASCIIZ-string with the name |
864 | db 'name',0 - ASCIIZ-string with the name |
865 | For Kolibri 0.5.8.1 kernel: |
865 | For Kolibri 0.5.8.1 kernel: |
866 | db 0,5,8,1 |
866 | db 0,5,8,1 |
867 | db 2 |
867 | db 2 |
868 | db 'Kolibri',0 |
868 | db 'Kolibri',0 |
869 | 869 | ||
870 | ====================================================================== |
870 | ====================================================================== |
871 | ======= Function 18, subfunction 14 - wait for screen retrace. ======= |
871 | ======= Function 18, subfunction 14 - wait for screen retrace. ======= |
872 | ====================================================================== |
872 | ====================================================================== |
873 | Waits for the beginning of retrace of the scanning ray of the screen |
873 | Waits for the beginning of retrace of the scanning ray of the screen |
874 | monitor. |
874 | monitor. |
875 | Parameters: |
875 | Parameters: |
876 | * eax = 18 - function number |
876 | * eax = 18 - function number |
877 | * ebx = 14 - subfunction number |
877 | * ebx = 14 - subfunction number |
878 | Returned value: |
878 | Returned value: |
879 | * eax = 0 as the tag of success |
879 | * eax = 0 as the tag of success |
880 | Remarks: |
880 | Remarks: |
881 | * Function is intended only for active high-efficiency graphics |
881 | * Function is intended only for active high-efficiency graphics |
882 | applications; is used for smooth output of a graphics. |
882 | applications; is used for smooth output of a graphics. |
883 | 883 | ||
884 | ====================================================================== |
884 | ====================================================================== |
885 | == Function 18, subfunction 15 - center mouse cursor on the screen. == |
885 | == Function 18, subfunction 15 - center mouse cursor on the screen. == |
886 | ====================================================================== |
886 | ====================================================================== |
887 | Parameters: |
887 | Parameters: |
888 | * eax = 18 - function number |
888 | * eax = 18 - function number |
889 | * ebx = 15 - subfunction number |
889 | * ebx = 15 - 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 | 892 | ||
893 | ====================================================================== |
893 | ====================================================================== |
894 | ========= Function 18, subfunction 16 - get size of free RAM. ======== |
894 | ========= Function 18, subfunction 16 - get size of free RAM. ======== |
895 | ====================================================================== |
895 | ====================================================================== |
896 | Parameters: |
896 | Parameters: |
897 | * eax = 18 - function number |
897 | * eax = 18 - function number |
898 | * ebx = 16 - subfunction number |
898 | * ebx = 16 - subfunction number |
899 | Returned value: |
899 | Returned value: |
900 | * eax = size of free memory in kilobytes |
900 | * eax = size of free memory in kilobytes |
901 | 901 | ||
902 | ====================================================================== |
902 | ====================================================================== |
903 | ======== Function 18, subfunction 17 - get full amount of RAM. ======= |
903 | ======== Function 18, subfunction 17 - get full amount of RAM. ======= |
904 | ====================================================================== |
904 | ====================================================================== |
905 | Parameters: |
905 | Parameters: |
906 | * eax = 18 - function number |
906 | * eax = 18 - function number |
907 | * ebx = 17 - subfunction number |
907 | * ebx = 17 - subfunction number |
908 | Returned value: |
908 | Returned value: |
909 | * eax = total size of existing memory in kilobytes |
909 | * eax = total size of existing memory in kilobytes |
910 | 910 | ||
911 | ====================================================================== |
911 | ====================================================================== |
912 | ===================== Function 18, subfunction 18 ==================== |
912 | ===================== Function 18, subfunction 18 ==================== |
913 | ============= Terminate process/thread by the identifier. ============ |
913 | ============= Terminate process/thread by the identifier. ============ |
914 | ====================================================================== |
914 | ====================================================================== |
915 | Parameters: |
915 | Parameters: |
916 | * eax = 18 - function number |
916 | * eax = 18 - function number |
917 | * ebx = 18 - subfunction number |
917 | * ebx = 18 - subfunction number |
918 | * ecx = identifer of process/thread (PID/TID) |
918 | * ecx = identifer of process/thread (PID/TID) |
919 | Returned value: |
919 | Returned value: |
920 | * eax = 0 - success |
920 | * eax = 0 - success |
921 | * eax = -1 - error (process is not found or is system) |
921 | * eax = -1 - error (process is not found or is system) |
922 | Remarks: |
922 | Remarks: |
923 | * It is impossible to terminate system thread OS/IDLE (identifier |
923 | * It is impossible to terminate system thread OS/IDLE (identifier |
924 | 1), it is possible to terminate any normal process/thread. |
924 | 1), it is possible to terminate any normal process/thread. |
925 | * See also subfunction 2 - terminate |
925 | * See also subfunction 2 - terminate |
926 | process/thread by given slot. |
926 | process/thread by given slot. |
927 | 927 | ||
928 | ====================================================================== |
928 | ====================================================================== |
- | 929 | ====================== Function 18, subfunction 19 ===================== |
|
- | 930 | ======================= Get/set mouse features. ====================== |
|
- | 931 | ====================================================================== |
|
- | 932 | Parameters: |
|
- | 933 | * eax = 18 - function number |
|
- | 934 | * ebx = 19 - subfunction number |
|
- | 935 | * ecx = subsubfunction number |
|
- | 936 | ||
- | 937 | ecx = 0 - get mouse speed |
|
- | 938 | Returned value: |
|
- | 939 | * eax = current mouse speed |
|
- | 940 | ||
- | 941 | ecx = 1 - set mouse speed |
|
- | 942 | edx = selected value of speed |
|
- | 943 | Returned value: |
|
- | 944 | * function does not return value |
|
- | 945 | ||
- | 946 | ecx = 2 - get mouse delay |
|
- | 947 | Returned value: |
|
- | 948 | * eax = current mouse delay |
|
- | 949 | ||
- | 950 | ecx = 3 - set mouse delay |
|
- | 951 | edx = selected value of delay |
|
- | 952 | Returned value: |
|
- | 953 | * function does not return value |
|
- | 954 | ||
- | 955 | ecx = 4 - set mouse pointer position |
|
- | 956 | edx = [coordinate on axis x]*65536 + [coordinate on axis y] |
|
- | 957 | Returned value: |
|
- | 958 | * function does not return value |
|
- | 959 | ||
- | 960 | Remarks: |
|
- | 961 | * Recommended speed of the mouse (in subfunction 1) from 1 up to 9. |
|
- | 962 | The installed value is not inspected by the code of a kernel, on this use |
|
- | 963 | cautiously, at incorrect value the cursor can "freeze". |
|
- | 964 | Speed of mouse can be regulated through the application SETUP. |
|
- | 965 | * Recommended delay of the mouse (in subfunction 3) = 10. Lower value |
|
- | 966 | is not handled COM by mice. At the very large values the movement of |
|
- | 967 | the mouse on 1 pixel is impossible and the cursor will jump |
|
- | 968 | on the value of the installed speed (subfunction 1). |
|
- | 969 | The installed value is not inspected by the code of a kernel. |
|
- | 970 | * In subfunction 4 the installed value is not inspected by |
|
- | 971 | the code of a kernel. Before usage it is necessary to find out current |
|
- | 972 | screen resolution and at installation of a position to watch, |
|
- | 973 | that the value of a position should do not fall outside |
|
- | 974 | the limits the screen. |
|
- | 975 | ||
- | 976 | ====================================================================== |
|
929 | ============ Function 19 - start application from ramdisk. =========== |
977 | ============ Function 19 - start application from ramdisk. =========== |
930 | ====================================================================== |
978 | ====================================================================== |
931 | Parameters: |
979 | Parameters: |
932 | * eax = 19 - function number |
980 | * eax = 19 - function number |
933 | * ebx = pointer to the application name in format similar |
981 | * ebx = pointer to the application name in format similar |
934 | to function 6 |
982 | to function 6 |
935 | * ecx = 0 or ecx = pointer to command line parameters |
983 | * ecx = 0 or ecx = pointer to command line parameters |
936 | Returned value: |
984 | Returned value: |
937 | * If eax > 0, then eax contains PID of the created process |
985 | * If eax > 0, then eax contains PID of the created process |
938 | * If eax < 0, then -eax - file system error code |
986 | * If eax < 0, then -eax - file system error code |
939 | Remarks: |
987 | Remarks: |
940 | * This function is obsolete; use subfunction 7 of function 70. |
988 | * This function is obsolete; use subfunction 7 of function 70. |
941 | * Command line must be terminated by the character with the code 0 |
989 | * Command line must be terminated by the character with the code 0 |
942 | (ASCIIZ-string); function takes into account either all characters |
990 | (ASCIIZ-string); function takes into account either all characters |
943 | up to terminating zero inclusively or first 256 character |
991 | up to terminating zero inclusively or first 256 character |
944 | regarding what is less. |
992 | regarding what is less. |
945 | 993 | ||
946 | ====================================================================== |
994 | ====================================================================== |
947 | ==================== Function 20 - MIDI interface. =================== |
995 | ==================== Function 20 - MIDI interface. =================== |
948 | ====================================================================== |
996 | ====================================================================== |
949 | 997 | ||
950 | ----------------------- Subfunction 1 - reset ------------------------ |
998 | ----------------------- Subfunction 1 - reset ------------------------ |
951 | Parameters: |
999 | Parameters: |
952 | * eax = 20 - function number |
1000 | * eax = 20 - function number |
953 | * ebx = 1 - subfunction number |
1001 | * ebx = 1 - subfunction number |
954 | 1002 | ||
955 | -------------------- Subfunction 2 - output byte --------------------- |
1003 | -------------------- Subfunction 2 - output byte --------------------- |
956 | Parameters: |
1004 | Parameters: |
957 | * eax = 20 - function number |
1005 | * eax = 20 - function number |
958 | * ebx = 2 - subfunction number |
1006 | * ebx = 2 - subfunction number |
959 | * cl = byte for output |
1007 | * cl = byte for output |
960 | Returned value (is the same for both subfunctions): |
1008 | Returned value (is the same for both subfunctions): |
961 | * eax = 0 - success |
1009 | * eax = 0 - success |
962 | * eax = 1 - base port is not defined |
1010 | * eax = 1 - base port is not defined |
963 | Remarks: |
1011 | Remarks: |
964 | * Previously the base port must be defined by |
1012 | * Previously the base port must be defined by |
965 | subfunction 1 of function 21. |
1013 | subfunction 1 of function 21. |
966 | 1014 | ||
967 | ====================================================================== |
1015 | ====================================================================== |
968 | ======== Function 21, subfunction 1 - set MPU MIDI base port. ======== |
1016 | ======== Function 21, subfunction 1 - set MPU MIDI base port. ======== |
969 | ====================================================================== |
1017 | ====================================================================== |
970 | Parameters: |
1018 | Parameters: |
971 | * eax = 21 - function number |
1019 | * eax = 21 - function number |
972 | * ebx = 1 - subfunction number |
1020 | * ebx = 1 - subfunction number |
973 | * ecx = number of base port |
1021 | * ecx = number of base port |
974 | Returned value |
1022 | Returned value |
975 | * eax = 0 - success |
1023 | * eax = 0 - success |
976 | * eax = -1 - erratic number of a port |
1024 | * eax = -1 - erratic number of a port |
977 | Remarks: |
1025 | Remarks: |
978 | * Number of a port must satisfy to conditions 0x100<=ecx<=0xFFFF. |
1026 | * Number of a port must satisfy to conditions 0x100<=ecx<=0xFFFF. |
979 | * The installation of base is necessary for function 20. |
1027 | * The installation of base is necessary for function 20. |
980 | * To get base port use subfunction 1 of function 26. |
1028 | * To get base port use subfunction 1 of function 26. |
981 | 1029 | ||
982 | ====================================================================== |
1030 | ====================================================================== |
983 | ========== Function 21, subfunction 2 - set keyboard layout. ========= |
1031 | ========== Function 21, subfunction 2 - set keyboard layout. ========= |
984 | ====================================================================== |
1032 | ====================================================================== |
985 | Keyboard layout is used to convert keyboard scancodes to ASCII-codes, |
1033 | Keyboard layout is used to convert keyboard scancodes to ASCII-codes, |
986 | which will be read by function 2. |
1034 | which will be read by function 2. |
987 | Parameters: |
1035 | Parameters: |
988 | * eax = 21 - function number |
1036 | * eax = 21 - function number |
989 | * ebx = 2 - subfunction number |
1037 | * ebx = 2 - subfunction number |
990 | * ecx = which layout to set: |
1038 | * ecx = which layout to set: |
991 | * 1 = normal layout |
1039 | * 1 = normal layout |
992 | * 2 = layout at pressed Shift |
1040 | * 2 = layout at pressed Shift |
993 | * 3 = layout at pressed Alt |
1041 | * 3 = layout at pressed Alt |
994 | * edx = pointer to layout - table of length 128 bytes |
1042 | * edx = pointer to layout - table of length 128 bytes |
995 | Or: |
1043 | Or: |
996 | * ecx = 9 |
1044 | * ecx = 9 |
997 | * dx = country identifier (1=eng, 2=fi, 3=ger, 4=rus) |
1045 | * dx = country identifier (1=eng, 2=fi, 3=ger, 4=rus) |
998 | Returned value: |
1046 | Returned value: |
999 | * eax = 0 - success |
1047 | * eax = 0 - success |
1000 | * eax = 1 - incorrect parameter |
1048 | * eax = 1 - incorrect parameter |
1001 | Remarks: |
1049 | Remarks: |
1002 | * If Alt is pressed, the layout with Alt is used; |
1050 | * If Alt is pressed, the layout with Alt is used; |
1003 | if Alt is not pressed, but Shift is pressed, |
1051 | if Alt is not pressed, but Shift is pressed, |
1004 | the layout with Shift is used; |
1052 | the layout with Shift is used; |
1005 | if Alt and Shift are not pressed, but Ctrl is pressed, the normal |
1053 | if Alt and Shift are not pressed, but Ctrl is pressed, the normal |
1006 | layout is used and then from the code is subtracted 0x60; |
1054 | layout is used and then from the code is subtracted 0x60; |
1007 | if no control key is pressed, the normal layout is used. |
1055 | if no control key is pressed, the normal layout is used. |
1008 | * To get layout and country identifier use |
1056 | * To get layout and country identifier use |
1009 | subfunction 2 of function 26. |
1057 | subfunction 2 of function 26. |
1010 | * Country identifier is global system variable, which is not used |
1058 | * Country identifier is global system variable, which is not used |
1011 | by the kernel itself; however the application '@panel' displays |
1059 | by the kernel itself; however the application '@panel' displays |
1012 | the corresponding icon. |
1060 | the corresponding icon. |
1013 | * The application @panel switches layouts on user request. |
1061 | * The application @panel switches layouts on user request. |
1014 | 1062 | ||
1015 | ====================================================================== |
1063 | ====================================================================== |
1016 | ============== Function 21, subfunction 3 - set CD base. ============= |
1064 | ============== Function 21, subfunction 3 - set CD base. ============= |
1017 | ====================================================================== |
1065 | ====================================================================== |
1018 | Parameters: |
1066 | Parameters: |
1019 | * eax = 21 - function number |
1067 | * eax = 21 - function number |
1020 | * ebx = 3 - subfunction number |
1068 | * ebx = 3 - subfunction number |
1021 | * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1069 | * ecx = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1022 | Returned value: |
1070 | Returned value: |
1023 | * eax = 0 |
1071 | * eax = 0 |
1024 | Remarks: |
1072 | Remarks: |
1025 | * CD base is used by function 24. |
1073 | * CD base is used by function 24. |
1026 | * To get CD base use subfunction 3 of function 26. |
1074 | * To get CD base use subfunction 3 of function 26. |
1027 | 1075 | ||
1028 | ====================================================================== |
1076 | ====================================================================== |
1029 | ====== Function 21, subfunction 4 - set Sound Blaster base port. ===== |
1077 | ====== Function 21, subfunction 4 - set Sound Blaster base port. ===== |
1030 | ====================================================================== |
1078 | ====================================================================== |
1031 | Parameters: |
1079 | Parameters: |
1032 | * eax = 21 - function number |
1080 | * eax = 21 - function number |
1033 | * ebx = 4 - subfunction number |
1081 | * ebx = 4 - subfunction number |
1034 | * ecx = number of the base port |
1082 | * ecx = number of the base port |
1035 | Returned value: |
1083 | Returned value: |
1036 | * eax = 0 - success |
1084 | * eax = 0 - success |
1037 | * eax = -1 - erratic port number |
1085 | * eax = -1 - erratic port number |
1038 | Remarks: |
1086 | Remarks: |
1039 | * Number of the port must satisfy to conditions 0x100<=ecx<=0xFFFF. |
1087 | * Number of the port must satisfy to conditions 0x100<=ecx<=0xFFFF. |
1040 | * The installation of the base is necessary for |
1088 | * The installation of the base is necessary for |
1041 | functions 25, 28, 55. |
1089 | functions 25, 28, 55. |
1042 | * To get base port use subfunction 4 of function 26. |
1090 | * To get base port use subfunction 4 of function 26. |
1043 | 1091 | ||
1044 | ====================================================================== |
1092 | ====================================================================== |
1045 | ========== Function 21, subfunction 5 - set system language. ========= |
1093 | ========== Function 21, subfunction 5 - set system language. ========= |
1046 | ====================================================================== |
1094 | ====================================================================== |
1047 | Parameters: |
1095 | Parameters: |
1048 | * eax = 21 - function number |
1096 | * eax = 21 - function number |
1049 | * ebx = 5 - subfunction number |
1097 | * ebx = 5 - subfunction number |
1050 | * ecx = system language (1=eng, 2=fi, 3=ger, 4=rus) |
1098 | * ecx = system language (1=eng, 2=fi, 3=ger, 4=rus) |
1051 | Returned value: |
1099 | Returned value: |
1052 | * eax = 0 |
1100 | * eax = 0 |
1053 | Remarks: |
1101 | Remarks: |
1054 | * System language is global system variable and is not used |
1102 | * System language is global system variable and is not used |
1055 | by the kernel itself, however application @panel draws the |
1103 | by the kernel itself, however application @panel draws the |
1056 | appropriate icon. |
1104 | appropriate icon. |
1057 | * Function does not check for correctness, as the kernel does not |
1105 | * Function does not check for correctness, as the kernel does not |
1058 | use this variable. |
1106 | use this variable. |
1059 | * To get system language use subfunction 5 of function 26. |
1107 | * To get system language use subfunction 5 of function 26. |
1060 | 1108 | ||
1061 | ====================================================================== |
1109 | ====================================================================== |
1062 | =========== Function 21, subfunction 6 - set WSS base port. ========== |
1110 | =========== Function 21, subfunction 6 - set WSS base port. ========== |
1063 | ====================================================================== |
1111 | ====================================================================== |
1064 | Parameters: |
1112 | Parameters: |
1065 | * eax = 21 - function number |
1113 | * eax = 21 - function number |
1066 | * ebx = 6 - subfunction number |
1114 | * ebx = 6 - subfunction number |
1067 | * ecx = base port |
1115 | * ecx = base port |
1068 | Returned value: |
1116 | Returned value: |
1069 | * eax = 0 - success |
1117 | * eax = 0 - success |
1070 | * eax = -1 - erratic port number |
1118 | * eax = -1 - erratic port number |
1071 | Remarks: |
1119 | Remarks: |
1072 | * Port number must satisfy to condition 0x100<=ecx. |
1120 | * Port number must satisfy to condition 0x100<=ecx. |
1073 | * WSS base is used by function 27. |
1121 | * WSS base is used by function 27. |
1074 | * To get WSS base port use subfunction 6 of function 26. |
1122 | * To get WSS base port use subfunction 6 of function 26. |
1075 | 1123 | ||
1076 | ====================================================================== |
1124 | ====================================================================== |
1077 | ============== Function 21, subfunction 7 - set HD base. ============= |
1125 | ============== Function 21, subfunction 7 - set HD base. ============= |
1078 | ====================================================================== |
1126 | ====================================================================== |
1079 | The HD base defines hard disk to write with usage of obsolete |
1127 | The HD base defines hard disk to write with usage of obsolete |
1080 | file system functions and functions implicitly using the hard disk |
1128 | file system functions and functions implicitly using the hard disk |
1081 | (such as subfunction 6 of function 18); |
1129 | (such as subfunction 6 of function 18); |
1082 | at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1130 | at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1083 | these function set base themselves. |
1131 | these function set base themselves. |
1084 | Parameters: |
1132 | Parameters: |
1085 | * eax = 21 - function number |
1133 | * eax = 21 - function number |
1086 | * ebx = 7 - subfunction number |
1134 | * ebx = 7 - subfunction number |
1087 | * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1135 | * ecx = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1088 | Returned value: |
1136 | Returned value: |
1089 | * eax = 0 |
1137 | * eax = 0 |
1090 | Remarks: |
1138 | Remarks: |
1091 | * Any application at any time can change the base. |
1139 | * Any application at any time can change the base. |
1092 | * Do not change base, when any application works with hard disk. |
1140 | * Do not change base, when any application works with hard disk. |
1093 | If you do not want system bugs. |
1141 | If you do not want system bugs. |
1094 | * To get HD base use subfunction 7 of function 26. |
1142 | * To get HD base use subfunction 7 of function 26. |
1095 | * It is also necessary to define used partition of hard disk by |
1143 | * It is also necessary to define used partition of hard disk by |
1096 | subfunction 8. |
1144 | subfunction 8. |
1097 | 1145 | ||
1098 | ====================================================================== |
1146 | ====================================================================== |
1099 | ========= Function 21, subfunction 8 - set used HD partition. ======== |
1147 | ========= Function 21, subfunction 8 - set used HD partition. ======== |
1100 | ====================================================================== |
1148 | ====================================================================== |
1101 | The HD partition defines partition of the hard disk to write with |
1149 | The HD partition defines partition of the hard disk to write with |
1102 | usage of obsolete file system functions and functions implicitly |
1150 | usage of obsolete file system functions and functions implicitly |
1103 | using the hard disk (such as subfunction 6 of function 18); |
1151 | using the hard disk (such as subfunction 6 of function 18); |
1104 | at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1152 | at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1105 | these functions set base and partition themselves. |
1153 | these functions set base and partition themselves. |
1106 | Parameters: |
1154 | Parameters: |
1107 | * eax = 21 - function number |
1155 | * eax = 21 - function number |
1108 | * ebx = 8 - subfunction number |
1156 | * ebx = 8 - subfunction number |
1109 | * ecx = HD partition (beginning from 1) |
1157 | * ecx = HD partition (beginning from 1) |
1110 | Return value: |
1158 | Return value: |
1111 | * eax = 0 |
1159 | * eax = 0 |
1112 | Remarks: |
1160 | Remarks: |
1113 | * Any application at any time can change partition. |
1161 | * Any application at any time can change partition. |
1114 | * Do not change partition when any application works with hard disk. |
1162 | * Do not change partition when any application works with hard disk. |
1115 | If you do not want system bugs. |
1163 | If you do not want system bugs. |
1116 | * To get used partition use subfunction 8 of function 26. |
1164 | * To get used partition use subfunction 8 of function 26. |
1117 | * There is no correctness checks. |
1165 | * There is no correctness checks. |
1118 | * To get the number of partitions of a hard disk use |
1166 | * To get the number of partitions of a hard disk use |
1119 | subfunction 11 of function 18. |
1167 | subfunction 11 of function 18. |
1120 | * It is also necessary to define used HD base by subfunction 7. |
1168 | * It is also necessary to define used HD base by subfunction 7. |
1121 | 1169 | ||
1122 | ====================================================================== |
1170 | ====================================================================== |
1123 | ======== Function 21, subfunction 10 - set sound DMA channel. ======== |
1171 | ======== Function 21, subfunction 10 - set sound DMA channel. ======== |
1124 | ====================================================================== |
1172 | ====================================================================== |
1125 | Parameters: |
1173 | Parameters: |
1126 | * eax = 21 - function number |
1174 | * eax = 21 - function number |
1127 | * ebx = 10 - subfunction number |
1175 | * ebx = 10 - subfunction number |
1128 | * ecx = number of channel (from 0 up to 3 inclusively) |
1176 | * ecx = number of channel (from 0 up to 3 inclusively) |
1129 | Returned value: |
1177 | Returned value: |
1130 | * eax = 0 - success |
1178 | * eax = 0 - success |
1131 | * eax = -1 - incorrect channel number |
1179 | * eax = -1 - incorrect channel number |
1132 | Remarks: |
1180 | Remarks: |
1133 | * Number of DMA channel is used in subfunction 1 of function 55. |
1181 | * Number of DMA channel is used in subfunction 1 of function 55. |
1134 | * To get sound DMA channel use subfunction 10 of function 26. |
1182 | * To get sound DMA channel use subfunction 10 of function 26. |
1135 | 1183 | ||
1136 | ====================================================================== |
1184 | ====================================================================== |
1137 | Function 21, subfunction 11 - enable/disable low-level access to HD. |
1185 | Function 21, subfunction 11 - enable/disable low-level access to HD. |
1138 | ====================================================================== |
1186 | ====================================================================== |
1139 | Parameters: |
1187 | Parameters: |
1140 | * eax = 21 - function number |
1188 | * eax = 21 - function number |
1141 | * ebx = 11 - subfunction number |
1189 | * ebx = 11 - subfunction number |
1142 | * ecx = 0/1 - disable/enable |
1190 | * ecx = 0/1 - disable/enable |
1143 | Returned value: |
1191 | Returned value: |
1144 | * eax = 0 |
1192 | * eax = 0 |
1145 | Remarks: |
1193 | Remarks: |
1146 | * Is used in LBA-read (subfunction 8 of function 58). |
1194 | * Is used in LBA-read (subfunction 8 of function 58). |
1147 | * The current implementation uses only low bit of ecx. |
1195 | * The current implementation uses only low bit of ecx. |
1148 | * To get current status use subfunction 11 of function 26. |
1196 | * To get current status use subfunction 11 of function 26. |
1149 | 1197 | ||
1150 | ====================================================================== |
1198 | ====================================================================== |
1151 | Function 21, subfunction 12 - enable/disable low-level access to PCI. |
1199 | Function 21, subfunction 12 - enable/disable low-level access to PCI. |
1152 | ====================================================================== |
1200 | ====================================================================== |
1153 | Parameters: |
1201 | Parameters: |
1154 | * eax = 21 - function number |
1202 | * eax = 21 - function number |
1155 | * ebx = 12 - subfunction number |
1203 | * ebx = 12 - subfunction number |
1156 | * ecx = 0/1 - disable/enable |
1204 | * ecx = 0/1 - disable/enable |
1157 | Returned value: |
1205 | Returned value: |
1158 | * eax = 0 |
1206 | * eax = 0 |
1159 | Remarks: |
1207 | Remarks: |
1160 | * Is used in operations with PCI bus (function 62). |
1208 | * Is used in operations with PCI bus (function 62). |
1161 | * The current implementation uses only low bit of ecx. |
1209 | * The current implementation uses only low bit of ecx. |
1162 | * To get current status use subfunction 12 of function 26. |
1210 | * To get current status use subfunction 12 of function 26. |
1163 | 1211 | ||
1164 | ====================================================================== |
1212 | ====================================================================== |
1165 | ============ Function 21, subfunction 13, subsubfunction 1 =========== |
1213 | ============ Function 21, subfunction 13, subsubfunction 1 =========== |
1166 | ======== Initialize + get information on the driver vmode.mdr. ======= |
1214 | ======== Initialize + get information on the driver vmode.mdr. ======= |
1167 | ====================================================================== |
1215 | ====================================================================== |
1168 | Parameters: |
1216 | Parameters: |
1169 | * eax = 21 - function number |
1217 | * eax = 21 - function number |
1170 | * ebx = 13 - subfunction number |
1218 | * ebx = 13 - subfunction number |
1171 | * ecx = 1 - number of the driver function |
1219 | * ecx = 1 - number of the driver function |
1172 | * edx = pointer to 512-bytes buffer |
1220 | * edx = pointer to 512-bytes buffer |
1173 | Returned value: |
1221 | Returned value: |
1174 | * if driver is not loaded |
1222 | * if driver is not loaded |
1175 | (never happens in the current implementation): |
1223 | (never happens in the current implementation): |
1176 | * eax = -1 |
1224 | * eax = -1 |
1177 | * ebx, ecx destroyed |
1225 | * ebx, ecx destroyed |
1178 | * if driver is loaded: |
1226 | * if driver is loaded: |
1179 | * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high) |
1227 | * eax = 'MDAZ' (in fasm style, that is 'M' - low byte, 'Z' - high) |
1180 | - signature |
1228 | - signature |
1181 | * ebx = current frequency of the scanning (in Hz) |
1229 | * ebx = current frequency of the scanning (in Hz) |
1182 | * ecx destroyed |
1230 | * ecx destroyed |
1183 | * buffer pointed to by edx is filled |
1231 | * buffer pointed to by edx is filled |
1184 | Format of the buffer: |
1232 | Format of the buffer: |
1185 | * +0: 32*byte: driver name, "Trans VideoDriver" |
1233 | * +0: 32*byte: driver name, "Trans VideoDriver" |
1186 | (without quotes, supplemented by spaces) |
1234 | (without quotes, supplemented by spaces) |
1187 | * +32 = +0x20: dword: driver version (version x.y is encoded as |
1235 | * +32 = +0x20: dword: driver version (version x.y is encoded as |
1188 | y*65536+x), for the current implementation is 1 (1.0) |
1236 | y*65536+x), for the current implementation is 1 (1.0) |
1189 | * +36 = +0x24: 7*dword: reserved (0 in the current implementation) |
1237 | * +36 = +0x24: 7*dword: reserved (0 in the current implementation) |
1190 | * +64 = +0x40: 32*word: list of supported videomodes (each word |
1238 | * +64 = +0x40: 32*word: list of supported videomodes (each word |
1191 | is number of a videomode, after list itself there are zeroes) |
1239 | is number of a videomode, after list itself there are zeroes) |
1192 | * +128 = +0x80: 32*(5*word): list of supported frequences of the |
1240 | * +128 = +0x80: 32*(5*word): list of supported frequences of the |
1193 | scannings for videomodes: for each videomode listed in the |
1241 | scannings for videomodes: for each videomode listed in the |
1194 | previous field up to 5 supported frequences are given |
1242 | previous field up to 5 supported frequences are given |
1195 | (unused positions contain zeroes) |
1243 | (unused positions contain zeroes) |
1196 | Remarks: |
1244 | Remarks: |
1197 | * Function initializes the driver (if it is not initialized yet) |
1245 | * Function initializes the driver (if it is not initialized yet) |
1198 | and must be called first, before others (otherwise they will do |
1246 | and must be called first, before others (otherwise they will do |
1199 | nothing and return -1). |
1247 | nothing and return -1). |
1200 | * The current implementation supports only one frequency |
1248 | * The current implementation supports only one frequency |
1201 | of the scanning on videomode. |
1249 | of the scanning on videomode. |
1202 | 1250 | ||
1203 | ====================================================================== |
1251 | ====================================================================== |
1204 | ============ Function 21, subfunction 13, subsubfunction 2 =========== |
1252 | ============ Function 21, subfunction 13, subsubfunction 2 =========== |
1205 | ================ Get information on current videomode. =============== |
1253 | ================ Get information on current videomode. =============== |
1206 | ====================================================================== |
1254 | ====================================================================== |
1207 | Parameters: |
1255 | Parameters: |
1208 | * eax = 21 - function number |
1256 | * eax = 21 - function number |
1209 | * ebx = 13 - subfunction number |
1257 | * ebx = 13 - subfunction number |
1210 | * ecx = 2 - number of the driver function |
1258 | * ecx = 2 - number of the driver function |
1211 | Returned value: |
1259 | Returned value: |
1212 | * eax = -1 - driver is not loaded or not initialized; |
1260 | * eax = -1 - driver is not loaded or not initialized; |
1213 | ebx,ecx are destroyed |
1261 | ebx,ecx are destroyed |
1214 | * eax = [width]*65536 + [height] |
1262 | * eax = [width]*65536 + [height] |
1215 | * ebx = frequency of the vertical scanning (in Hz) |
1263 | * ebx = frequency of the vertical scanning (in Hz) |
1216 | * ecx = number of current videomode |
1264 | * ecx = number of current videomode |
1217 | Remarks: |
1265 | Remarks: |
1218 | * Driver must be initialized by call to |
1266 | * Driver must be initialized by call to |
1219 | driver function 1. |
1267 | driver function 1. |
1220 | * If only screen sizes are required, it is more expedient to use |
1268 | * If only screen sizes are required, it is more expedient to use |
1221 | function 14 taking into account that it |
1269 | function 14 taking into account that it |
1222 | returns sizes on 1 less. |
1270 | returns sizes on 1 less. |
1223 | 1271 | ||
1224 | ====================================================================== |
1272 | ====================================================================== |
1225 | === Function 21, subfunction 13, subsubfunction 3 - set videomode. === |
1273 | === Function 21, subfunction 13, subsubfunction 3 - set videomode. === |
1226 | ====================================================================== |
1274 | ====================================================================== |
1227 | Parameters: |
1275 | Parameters: |
1228 | * eax = 21 - function number |
1276 | * eax = 21 - function number |
1229 | * ebx = 13 - subfunction number |
1277 | * ebx = 13 - subfunction number |
1230 | * ecx = 3 - number of the driver function |
1278 | * ecx = 3 - number of the driver function |
1231 | * edx = [scanning frequency]*65536 + [videomode number] |
1279 | * edx = [scanning frequency]*65536 + [videomode number] |
1232 | Returned value: |
1280 | Returned value: |
1233 | * eax = -1 - driver is not loaded, not initialized or |
1281 | * eax = -1 - driver is not loaded, not initialized or |
1234 | an error has occured |
1282 | an error has occured |
1235 | * eax = 0 - success |
1283 | * eax = 0 - success |
1236 | * ebx, ecx destroyed |
1284 | * ebx, ecx destroyed |
1237 | Remarks: |
1285 | Remarks: |
1238 | * Driver must be initialized by driver function 1. |
1286 | * Driver must be initialized by driver function 1. |
1239 | * The videomode number and frequency must be in the table |
1287 | * The videomode number and frequency must be in the table |
1240 | returned by driver function 1. |
1288 | returned by driver function 1. |
1241 | 1289 | ||
1242 | ====================================================================== |
1290 | ====================================================================== |
1243 | ============ Function 21, subfunction 13, subsubfunction 4 =========== |
1291 | ============ Function 21, subfunction 13, subsubfunction 4 =========== |
1244 | ================== Return to the initial videomode. ================== |
1292 | ================== Return to the initial videomode. ================== |
1245 | ====================================================================== |
1293 | ====================================================================== |
1246 | Returns the screen to the videomode set at system boot. |
1294 | Returns the screen to the videomode set at system boot. |
1247 | Parameters: |
1295 | Parameters: |
1248 | * eax = 21 - function number |
1296 | * eax = 21 - function number |
1249 | * ebx = 13 - subfunction number |
1297 | * ebx = 13 - subfunction number |
1250 | * ecx = 4 - number of the driver function |
1298 | * ecx = 4 - number of the driver function |
1251 | Returned value: |
1299 | Returned value: |
1252 | * eax = -1 - driver is not loaded or not initialized |
1300 | * eax = -1 - driver is not loaded or not initialized |
1253 | * eax = 0 - success |
1301 | * eax = 0 - success |
1254 | * ebx, ecx destroyed |
1302 | * ebx, ecx destroyed |
1255 | Remarks: |
1303 | Remarks: |
1256 | * Driver must be initialized by call to driver function 1. |
1304 | * Driver must be initialized by call to driver function 1. |
1257 | 1305 | ||
1258 | ====================================================================== |
1306 | ====================================================================== |
1259 | ============ Function 21, subfunction 13, subsubfunction 5 =========== |
1307 | ============ Function 21, subfunction 13, subsubfunction 5 =========== |
1260 | ===== Increase/decrease the size of the visible area of monitor. ===== |
1308 | ===== Increase/decrease the size of the visible area of monitor. ===== |
1261 | ====================================================================== |
1309 | ====================================================================== |
1262 | Parameters: |
1310 | Parameters: |
1263 | * eax = 21 - function number |
1311 | * eax = 21 - function number |
1264 | * ebx = 13 - subfunction number |
1312 | * ebx = 13 - subfunction number |
1265 | * ecx = 5 - number of the driver function |
1313 | * ecx = 5 - number of the driver function |
1266 | * edx = 0/1 - decrease/increase horizontal size on 1 position |
1314 | * edx = 0/1 - decrease/increase horizontal size on 1 position |
1267 | * edx = 2/3 - is not supported in the current implementation; |
1315 | * edx = 2/3 - is not supported in the current implementation; |
1268 | is planned as decrease/increase vertical size on 1 position |
1316 | is planned as decrease/increase vertical size on 1 position |
1269 | Returned value: |
1317 | Returned value: |
1270 | * eax = -1 - driver is not loaded or not initialized |
1318 | * eax = -1 - driver is not loaded or not initialized |
1271 | * eax = 0 - success |
1319 | * eax = 0 - success |
1272 | * ebx, ecx destroyed |
1320 | * ebx, ecx destroyed |
1273 | Remarks: |
1321 | Remarks: |
1274 | * Driver must be initialized by call to driver function 1. |
1322 | * Driver must be initialized by call to driver function 1. |
1275 | * Function influences only the physical size of the screen image; |
1323 | * Function influences only the physical size of the screen image; |
1276 | the logical size (number of pixels) does not change. |
1324 | the logical size (number of pixels) does not change. |
1277 | 1325 | ||
1278 | ====================================================================== |
1326 | ====================================================================== |
1279 | ================= Function 22 - set system date/time. ================ |
1327 | ================= Function 22 - set system date/time. ================ |
1280 | ====================================================================== |
1328 | ====================================================================== |
1281 | Parameters: |
1329 | Parameters: |
1282 | * eax = 22 - function number |
1330 | * eax = 22 - function number |
1283 | * ebx = 0 - set time |
1331 | * ebx = 0 - set time |
1284 | * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD): |
1332 | * ecx = 0x00SSMMHH - time in the binary-decimal code (BCD): |
1285 | * HH=hour 00..23 |
1333 | * HH=hour 00..23 |
1286 | * MM=minute 00..59 |
1334 | * MM=minute 00..59 |
1287 | * SS=second 00..59 |
1335 | * SS=second 00..59 |
1288 | * ebx = 1 - set date |
1336 | * ebx = 1 - set date |
1289 | * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD): |
1337 | * ecx = 0x00DDMMYY - date in the binary-decimal code (BCD): |
1290 | * DD=day 01..31 |
1338 | * DD=day 01..31 |
1291 | * MM=month 01..12 |
1339 | * MM=month 01..12 |
1292 | * YY=year 00..99 |
1340 | * YY=year 00..99 |
1293 | * ebx = 2 - set day of week |
1341 | * ebx = 2 - set day of week |
1294 | * ecx = 1 for Sunday, ..., 7 for Saturday |
1342 | * ecx = 1 for Sunday, ..., 7 for Saturday |
1295 | * ebx = 3 - set alarm clock |
1343 | * ebx = 3 - set alarm clock |
1296 | * ecx = 0x00SSMMHH |
1344 | * ecx = 0x00SSMMHH |
1297 | Returned value: |
1345 | Returned value: |
1298 | * eax = 0 - success |
1346 | * eax = 0 - success |
1299 | * eax = 1 - incorrect parameter |
1347 | * eax = 1 - incorrect parameter |
1300 | * eax = 2 - CMOS-battery was unloaded |
1348 | * eax = 2 - CMOS-battery was unloaded |
1301 | Remarks: |
1349 | Remarks: |
1302 | * Value of installation of day of week seems to be doubtful, |
1350 | * Value of installation of day of week seems to be doubtful, |
1303 | as it a little where is used |
1351 | as it a little where is used |
1304 | (day of week can be calculated by date). |
1352 | (day of week can be calculated by date). |
1305 | * Alarm clock can be set on operation in the given time every day. |
1353 | * Alarm clock can be set on operation in the given time every day. |
1306 | But there is no existing system function to disable it. |
1354 | But there is no existing system function to disable it. |
1307 | * Operation of alarm clock consists in generation IRQ8. |
1355 | * Operation of alarm clock consists in generation IRQ8. |
1308 | * Generally CMOS supports for alarm clock set of value 0xFF |
1356 | * Generally CMOS supports for alarm clock set of value 0xFF |
1309 | as one of parameters and it means that the appropriate parameter |
1357 | as one of parameters and it means that the appropriate parameter |
1310 | is ignored. But current implementation does not allow this |
1358 | is ignored. But current implementation does not allow this |
1311 | (will return 1). |
1359 | (will return 1). |
1312 | * Alarm clock is a global system resource; the set of |
1360 | * Alarm clock is a global system resource; the set of |
1313 | an alarm clock cancels automatically the previous set. |
1361 | an alarm clock cancels automatically the previous set. |
1314 | However, at moment no program uses it. |
1362 | However, at moment no program uses it. |
1315 | 1363 | ||
1316 | ====================================================================== |
1364 | ====================================================================== |
1317 | ============= Function 23 - wait for event with timeout. ============= |
1365 | ============= Function 23 - wait for event with timeout. ============= |
1318 | ====================================================================== |
1366 | ====================================================================== |
1319 | If the message queue is empty, waits for new message in the queue, |
1367 | If the message queue is empty, waits for new message in the queue, |
1320 | but no more than given time. Then reads out a message from the queue. |
1368 | but no more than given time. Then reads out a message from the queue. |
1321 | 1369 | ||
1322 | Parameters: |
1370 | Parameters: |
1323 | * eax = 23 - function number |
1371 | * eax = 23 - function number |
1324 | * ebx = timeout (in 1/100 of second) |
1372 | * ebx = timeout (in 1/100 of second) |
1325 | Returned value: |
1373 | Returned value: |
1326 | * eax = 0 - the message queue is empty |
1374 | * eax = 0 - the message queue is empty |
1327 | * otherwise eax = event (see the list of events) |
1375 | * otherwise eax = event (see the list of events) |
1328 | Remarks: |
1376 | Remarks: |
1329 | * Only those events are taken into account, which enter into |
1377 | * Only those events are taken into account, which enter into |
1330 | the mask set by function 40. By default it is |
1378 | the mask set by function 40. By default it is |
1331 | redraw, key and button events. |
1379 | redraw, key and button events. |
1332 | * To check for presence of a message in the queue use function 11. |
1380 | * To check for presence of a message in the queue use function 11. |
1333 | To wait without timeout use function 10. |
1381 | To wait without timeout use function 10. |
1334 | * Transmission ebx=0 results in immediate returning eax=0. |
1382 | * Transmission ebx=0 results in immediate returning eax=0. |
1335 | * Current implementation returns immediately with eax=0, |
1383 | * Current implementation returns immediately with eax=0, |
1336 | if the addition of ebx with the current value of time counter |
1384 | if the addition of ebx with the current value of time counter |
1337 | makes 32-bit overflow. |
1385 | makes 32-bit overflow. |
1338 | 1386 | ||
1339 | ====================================================================== |
1387 | ====================================================================== |
1340 | ======== Function 24, subfunction 1 - begin to play CD-audio. ======== |
1388 | ======== Function 24, subfunction 1 - begin to play CD-audio. ======== |
1341 | ====================================================================== |
1389 | ====================================================================== |
1342 | Parameters: |
1390 | Parameters: |
1343 | * eax = 24 - function number |
1391 | * eax = 24 - function number |
1344 | * ebx = 1 - subfunction number |
1392 | * ebx = 1 - subfunction number |
1345 | * ecx = 0x00FRSSMM, where |
1393 | * ecx = 0x00FRSSMM, where |
1346 | * MM = starting minute |
1394 | * MM = starting minute |
1347 | * SS = starting second |
1395 | * SS = starting second |
1348 | * FR = starting frame |
1396 | * FR = starting frame |
1349 | Returned value: |
1397 | Returned value: |
1350 | * eax = 0 - success |
1398 | * eax = 0 - success |
1351 | * eax = 1 - CD base is not defined |
1399 | * eax = 1 - CD base is not defined |
1352 | Remarks: |
1400 | Remarks: |
1353 | * Previously CD base must be defined by the call to |
1401 | * Previously CD base must be defined by the call to |
1354 | subfunction 3 of function 21. |
1402 | subfunction 3 of function 21. |
1355 | * One second includes 75 frames, one minute includes 60 seconds. |
1403 | * One second includes 75 frames, one minute includes 60 seconds. |
1356 | * The function is asynchronous (returns control, when play begins). |
1404 | * The function is asynchronous (returns control, when play begins). |
1357 | 1405 | ||
1358 | ====================================================================== |
1406 | ====================================================================== |
1359 | ======= Function 24, subfunction 2 - get information on tracks. ====== |
1407 | ======= Function 24, subfunction 2 - get information on tracks. ====== |
1360 | ====================================================================== |
1408 | ====================================================================== |
1361 | Parameters: |
1409 | Parameters: |
1362 | * eax = 24 - function number |
1410 | * eax = 24 - function number |
1363 | * ebx = 2 - subfunction number |
1411 | * ebx = 2 - subfunction number |
1364 | * ecx = pointer to the buffer for the table |
1412 | * ecx = pointer to the buffer for the table |
1365 | (maximum 8*64h+4 bytes=100 tracks) |
1413 | (maximum 8*64h+4 bytes=100 tracks) |
1366 | Returned value: |
1414 | Returned value: |
1367 | * eax = 0 - success |
1415 | * eax = 0 - success |
1368 | * eax = 1 - CD base is not defined |
1416 | * eax = 1 - CD base is not defined |
1369 | Remarks: |
1417 | Remarks: |
1370 | * The format of the table with tracks information is the same as |
1418 | * The format of the table with tracks information is the same as |
1371 | for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h). |
1419 | for ATAPI-CD command 43h (READ TOC), usual table (subcommand 00h). |
1372 | Function returns addresses in MSF. |
1420 | Function returns addresses in MSF. |
1373 | * Previously CD base port must be set by call to |
1421 | * Previously CD base port must be set by call to |
1374 | subfunction 3 of function 21. |
1422 | subfunction 3 of function 21. |
1375 | * Function returns information only about no more than 100 |
1423 | * Function returns information only about no more than 100 |
1376 | first tracks. In most cases it is enough. |
1424 | first tracks. In most cases it is enough. |
1377 | 1425 | ||
1378 | ====================================================================== |
1426 | ====================================================================== |
1379 | ========== Function 24, subfunction 3 - stop play CD-audio. ========== |
1427 | ========== Function 24, subfunction 3 - stop play CD-audio. ========== |
1380 | ====================================================================== |
1428 | ====================================================================== |
1381 | Parameters: |
1429 | Parameters: |
1382 | * eax = 24 - function number |
1430 | * eax = 24 - function number |
1383 | * ebx = 1 - subfunction number |
1431 | * ebx = 1 - subfunction number |
1384 | Returned value: |
1432 | Returned value: |
1385 | * eax = 0 - success |
1433 | * eax = 0 - success |
1386 | * eax = 1 - CD base is not defined |
1434 | * eax = 1 - CD base is not defined |
1387 | Çàìå÷àíèÿ: |
1435 | Çàìå÷àíèÿ: |
1388 | * Previously CD base port must be defined by call to |
1436 | * Previously CD base port must be defined by call to |
1389 | subfunction 3 of function 21. |
1437 | subfunction 3 of function 21. |
1390 | 1438 | ||
1391 | ====================================================================== |
1439 | ====================================================================== |
1392 | =================== Function 25 - set SBPro volume. ================== |
1440 | =================== Function 25 - set SBPro volume. ================== |
1393 | ====================================================================== |
1441 | ====================================================================== |
1394 | Parameters: |
1442 | Parameters: |
1395 | * eax = 25 - function number |
1443 | * eax = 25 - function number |
1396 | * ebx = what to set: |
1444 | * ebx = what to set: |
1397 | * 1 - set common volume |
1445 | * 1 - set common volume |
1398 | * 2 - set CD-audio volume |
1446 | * 2 - set CD-audio volume |
1399 | * cl = volume level: high 4 bits for the left column, |
1447 | * cl = volume level: high 4 bits for the left column, |
1400 | low 4 bits for the right one |
1448 | low 4 bits for the right one |
1401 | Returned value: |
1449 | Returned value: |
1402 | * eax = 0 - success |
1450 | * eax = 0 - success |
1403 | * eax = 1 - SB base is not defined |
1451 | * eax = 1 - SB base is not defined |
1404 | * eax = 2 - incorrect subfunction |
1452 | * eax = 2 - incorrect subfunction |
1405 | Remarks: |
1453 | Remarks: |
1406 | * Previously SB base port must be defined by |
1454 | * Previously SB base port must be defined by |
1407 | subfunction 4 of function 21. |
1455 | subfunction 4 of function 21. |
1408 | * See also function 28 which sets |
1456 | * See also function 28 which sets |
1409 | volume for the later standard SB16. |
1457 | volume for the later standard SB16. |
1410 | 1458 | ||
1411 | ====================================================================== |
1459 | ====================================================================== |
1412 | ======== Function 26, subfunction 1 - get MPU MIDI base port. ======== |
1460 | ======== Function 26, subfunction 1 - get MPU MIDI base port. ======== |
1413 | ====================================================================== |
1461 | ====================================================================== |
1414 | Parameters: |
1462 | Parameters: |
1415 | * eax = 26 - function number |
1463 | * eax = 26 - function number |
1416 | * ebx = 1 - subfunction number |
1464 | * ebx = 1 - subfunction number |
1417 | Returned value: |
1465 | Returned value: |
1418 | * eax = port number |
1466 | * eax = port number |
1419 | Parameters: |
1467 | Parameters: |
1420 | * To set base port use subfunction 1 of function 21. |
1468 | * To set base port use subfunction 1 of function 21. |
1421 | 1469 | ||
1422 | ====================================================================== |
1470 | ====================================================================== |
1423 | ========== Function 26, subfunction 2 - get keyboard layout. ========= |
1471 | ========== Function 26, subfunction 2 - get keyboard layout. ========= |
1424 | ====================================================================== |
1472 | ====================================================================== |
1425 | The keyboard layout is used to convert keyboard scancodes to |
1473 | The keyboard layout is used to convert keyboard scancodes to |
1426 | ASCII-codes for function 2. |
1474 | ASCII-codes for function 2. |
1427 | Parameters: |
1475 | Parameters: |
1428 | * eax = 26 - function number |
1476 | * eax = 26 - function number |
1429 | * ebx = 2 - subfunction number |
1477 | * ebx = 2 - subfunction number |
1430 | * ecx = what layout to get: |
1478 | * ecx = what layout to get: |
1431 | * 1 = normal layout |
1479 | * 1 = normal layout |
1432 | * 2 = layout with pressed Shift |
1480 | * 2 = layout with pressed Shift |
1433 | * 3 = layout with pressed Alt |
1481 | * 3 = layout with pressed Alt |
1434 | * edx = pointer to the 128-bytes buffer, where the layout will be |
1482 | * edx = pointer to the 128-bytes buffer, where the layout will be |
1435 | copied |
1483 | copied |
1436 | Returned value: |
1484 | Returned value: |
1437 | * function does not return value |
1485 | * function does not return value |
1438 | Or: |
1486 | Or: |
1439 | * eax = 26 - function number |
1487 | * eax = 26 - function number |
1440 | * ebx = 2 - subfunction number |
1488 | * ebx = 2 - subfunction number |
1441 | * ecx = 9 |
1489 | * ecx = 9 |
1442 | Returned value: |
1490 | Returned value: |
1443 | * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus) |
1491 | * eax = country identifier (1=eng, 2=fi, 3=ger, 4=rus) |
1444 | Remarks: |
1492 | Remarks: |
1445 | * If Alt is pressed, the layout with Alt is used; |
1493 | * If Alt is pressed, the layout with Alt is used; |
1446 | if Alt is not pressed, but Shift is pressed, |
1494 | if Alt is not pressed, but Shift is pressed, |
1447 | the layout with Shift is used; |
1495 | the layout with Shift is used; |
1448 | if Alt and Shift are not pressed, but Ctrl is pressed, the normal |
1496 | if Alt and Shift are not pressed, but Ctrl is pressed, the normal |
1449 | layout is used and then from the code is subtracted 0x60; |
1497 | layout is used and then from the code is subtracted 0x60; |
1450 | if no control key is pressed, the normal layout is used. |
1498 | if no control key is pressed, the normal layout is used. |
1451 | * To set layout and country identifier use |
1499 | * To set layout and country identifier use |
1452 | subfunction 2 of function 21. |
1500 | subfunction 2 of function 21. |
1453 | * Country identifier is global system variable, which is not used |
1501 | * Country identifier is global system variable, which is not used |
1454 | by the kernel itself; however the application '@panel' displays |
1502 | by the kernel itself; however the application '@panel' displays |
1455 | the corresponding icon (using this function). |
1503 | the corresponding icon (using this function). |
1456 | * The application @panel switches layouts on user request. |
1504 | * The application @panel switches layouts on user request. |
1457 | 1505 | ||
1458 | ====================================================================== |
1506 | ====================================================================== |
1459 | ============== Function 26, subfunction 3 - get CD base. ============= |
1507 | ============== Function 26, subfunction 3 - get CD base. ============= |
1460 | ====================================================================== |
1508 | ====================================================================== |
1461 | Parameters: |
1509 | Parameters: |
1462 | * eax = 26 - function number |
1510 | * eax = 26 - function number |
1463 | * ebx = 3 - subfunction number |
1511 | * ebx = 3 - subfunction number |
1464 | Returned value: |
1512 | Returned value: |
1465 | * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1513 | * eax = CD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1466 | Remarks: |
1514 | Remarks: |
1467 | * CD base is used by function 24. |
1515 | * CD base is used by function 24. |
1468 | * To set CD base use subfunction 3 of function 21. |
1516 | * To set CD base use subfunction 3 of function 21. |
1469 | 1517 | ||
1470 | ====================================================================== |
1518 | ====================================================================== |
1471 | ====== Function 26, subfunction 4 - get Sound Blaster base port. ===== |
1519 | ====== Function 26, subfunction 4 - get Sound Blaster base port. ===== |
1472 | ====================================================================== |
1520 | ====================================================================== |
1473 | Parameters: |
1521 | Parameters: |
1474 | * eax = 26 - function number |
1522 | * eax = 26 - function number |
1475 | * ebx = 4 - subfunction number |
1523 | * ebx = 4 - subfunction number |
1476 | Returned value: |
1524 | Returned value: |
1477 | * eax = base port number |
1525 | * eax = base port number |
1478 | Remarks: |
1526 | Remarks: |
1479 | * Bae port is used by functions 25, 55. |
1527 | * Bae port is used by functions 25, 55. |
1480 | * To set base port use subfunction 4 of function 21. |
1528 | * To set base port use subfunction 4 of function 21. |
1481 | 1529 | ||
1482 | ====================================================================== |
1530 | ====================================================================== |
1483 | ========== Function 26, subfunction 5 - get system language. ========= |
1531 | ========== Function 26, subfunction 5 - get system language. ========= |
1484 | ====================================================================== |
1532 | ====================================================================== |
1485 | Parameters: |
1533 | Parameters: |
1486 | * eax = 26 - function number |
1534 | * eax = 26 - function number |
1487 | * ebx = 5 - subfunction number |
1535 | * ebx = 5 - subfunction number |
1488 | Returned value: |
1536 | Returned value: |
1489 | * eax = system language (1=eng, 2=fi, 3=ger, 4=rus) |
1537 | * eax = system language (1=eng, 2=fi, 3=ger, 4=rus) |
1490 | Remarks: |
1538 | Remarks: |
1491 | * System language is global system variable and is not used |
1539 | * System language is global system variable and is not used |
1492 | by the kernel itself, however application @panel draws the |
1540 | by the kernel itself, however application @panel draws the |
1493 | appropriate icon (using this function). |
1541 | appropriate icon (using this function). |
1494 | * To set system language use subfunction 5 of function 21. |
1542 | * To set system language use subfunction 5 of function 21. |
1495 | 1543 | ||
1496 | ====================================================================== |
1544 | ====================================================================== |
1497 | =========== Function 26, subfunction 6 - get WSS base port. ========== |
1545 | =========== Function 26, subfunction 6 - get WSS base port. ========== |
1498 | ====================================================================== |
1546 | ====================================================================== |
1499 | Parameters: |
1547 | Parameters: |
1500 | * eax = 26 - function number |
1548 | * eax = 26 - function number |
1501 | * ebx = 6 - subfunction number |
1549 | * ebx = 6 - subfunction number |
1502 | Returned value: |
1550 | Returned value: |
1503 | * eax = base port |
1551 | * eax = base port |
1504 | Remarks: |
1552 | Remarks: |
1505 | * WSS base is used by function 27. |
1553 | * WSS base is used by function 27. |
1506 | * To set WSS base port use subfunction 6 of function 21. |
1554 | * To set WSS base port use subfunction 6 of function 21. |
1507 | 1555 | ||
1508 | ====================================================================== |
1556 | ====================================================================== |
1509 | ============== Function 26, subfunction 7 - get HD base. ============= |
1557 | ============== Function 26, subfunction 7 - get HD base. ============= |
1510 | ====================================================================== |
1558 | ====================================================================== |
1511 | The HD base defines hard disk to write with usage of obsolete |
1559 | The HD base defines hard disk to write with usage of obsolete |
1512 | file system functions and functions implicitly using the hard disk |
1560 | file system functions and functions implicitly using the hard disk |
1513 | (such as subfunction 6 of function 18); |
1561 | (such as subfunction 6 of function 18); |
1514 | at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1562 | at usage of function 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1515 | these function set base themselves. |
1563 | these function set base themselves. |
1516 | Parameters: |
1564 | Parameters: |
1517 | * eax = 26 - function number |
1565 | * eax = 26 - function number |
1518 | * ebx = 7 - subfunction number |
1566 | * ebx = 7 - subfunction number |
1519 | Returned value: |
1567 | Returned value: |
1520 | * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1568 | * eax = HD base: 1=IDE0, 2=IDE1, 3=IDE2, 4=IDE3 |
1521 | Remarks: |
1569 | Remarks: |
1522 | * Any application in any time can change HD base. |
1570 | * Any application in any time can change HD base. |
1523 | * To set base use subfunction 7 of function 21. |
1571 | * To set base use subfunction 7 of function 21. |
1524 | * To get used partition of hard disk use subfunction 8. |
1572 | * To get used partition of hard disk use subfunction 8. |
1525 | 1573 | ||
1526 | ====================================================================== |
1574 | ====================================================================== |
1527 | ========= Function 26, subfunction 8 - get used HD partition. ======== |
1575 | ========= Function 26, subfunction 8 - get used HD partition. ======== |
1528 | ====================================================================== |
1576 | ====================================================================== |
1529 | The HD partition defines partition of the hard disk to write with |
1577 | The HD partition defines partition of the hard disk to write with |
1530 | usage of obsolete file system functions and functions implicitly |
1578 | usage of obsolete file system functions and functions implicitly |
1531 | using the hard disk (such as subfunction 6 of function 18); |
1579 | using the hard disk (such as subfunction 6 of function 18); |
1532 | at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1580 | at usage of functions 58 and 70 and modern syntax /HD0,/HD1,/HD2,/HD3 |
1533 | these functions set base and partition themselves. |
1581 | these functions set base and partition themselves. |
1534 | Parameters: |
1582 | Parameters: |
1535 | * eax = 26 - function number |
1583 | * eax = 26 - function number |
1536 | * ebx = 8 - subfunction number |
1584 | * ebx = 8 - subfunction number |
1537 | Returned value: |
1585 | Returned value: |
1538 | * eax = HD partition (beginning from 1) |
1586 | * eax = HD partition (beginning from 1) |
1539 | Remarks: |
1587 | Remarks: |
1540 | * Any application in any time can change partition. |
1588 | * Any application in any time can change partition. |
1541 | * To set partition use subfunction 8 of function 21. |
1589 | * To set partition use subfunction 8 of function 21. |
1542 | * To get number of partitions on a hard disk use |
1590 | * To get number of partitions on a hard disk use |
1543 | subfunction 11 of function 18. |
1591 | subfunction 11 of function 18. |
1544 | * To get base of used hard disk, use subfunction 7. |
1592 | * To get base of used hard disk, use subfunction 7. |
1545 | 1593 | ||
1546 | ====================================================================== |
1594 | ====================================================================== |
1547 | === Function 26, subfunction 9 - get the value of the time counter. == |
1595 | === Function 26, subfunction 9 - get the value of the time counter. == |
1548 | ====================================================================== |
1596 | ====================================================================== |
1549 | Parameters: |
1597 | Parameters: |
1550 | * eax = 26 - function number |
1598 | * eax = 26 - function number |
1551 | * ebx = 9 - subfunction number |
1599 | * ebx = 9 - subfunction number |
1552 | Returned value: |
1600 | Returned value: |
1553 | * eax = number of 1/100s of second, past from the system boot time |
1601 | * eax = number of 1/100s of second, past from the system boot time |
1554 | Remarks: |
1602 | Remarks: |
1555 | * Counter takes modulo 2^32, that correspond to a little more |
1603 | * Counter takes modulo 2^32, that correspond to a little more |
1556 | than 497 days. |
1604 | than 497 days. |
1557 | * To get system time use function 3. |
1605 | * To get system time use function 3. |
1558 | 1606 | ||
1559 | ====================================================================== |
1607 | ====================================================================== |
1560 | ======== Function 26, subfunction 10 - get sound DMA channel. ======== |
1608 | ======== Function 26, subfunction 10 - get sound DMA channel. ======== |
1561 | ====================================================================== |
1609 | ====================================================================== |
1562 | Parameters: |
1610 | Parameters: |
1563 | * eax = 26 - function number |
1611 | * eax = 26 - function number |
1564 | * ebx = 10 - subfunction number |
1612 | * ebx = 10 - subfunction number |
1565 | Returned value: |
1613 | Returned value: |
1566 | * eax = number of the channel (from 0 to 3 inclusive) |
1614 | * eax = number of the channel (from 0 to 3 inclusive) |
1567 | Remarks: |
1615 | Remarks: |
1568 | * Number of the DMA channel is used by subfunction 1 of function 55. |
1616 | * Number of the DMA channel is used by subfunction 1 of function 55. |
1569 | * To set the sound DMA channel use subfunction 10 of function 21. |
1617 | * To set the sound DMA channel use subfunction 10 of function 21. |
1570 | 1618 | ||
1571 | ====================================================================== |
1619 | ====================================================================== |
1572 | ===================== Function 26, subfunction 11 ==================== |
1620 | ===================== Function 26, subfunction 11 ==================== |
1573 | ========== Find out whether low-level HD access is enabled. ========== |
1621 | ========== Find out whether low-level HD access is enabled. ========== |
1574 | ====================================================================== |
1622 | ====================================================================== |
1575 | Parameters: |
1623 | Parameters: |
1576 | * eax = 26 - function number |
1624 | * eax = 26 - function number |
1577 | * ebx = 11 - subfunction number |
1625 | * ebx = 11 - subfunction number |
1578 | Returned value: |
1626 | Returned value: |
1579 | * eax = 0/1 - disabled/enabled |
1627 | * eax = 0/1 - disabled/enabled |
1580 | Remarks: |
1628 | Remarks: |
1581 | * Is used in LBA read (subfunction 8 of function 58). |
1629 | * Is used in LBA read (subfunction 8 of function 58). |
1582 | * To set current state use subfunction 11 of function 21. |
1630 | * To set current state use subfunction 11 of function 21. |
1583 | 1631 | ||
1584 | ====================================================================== |
1632 | ====================================================================== |
1585 | ===================== Function 26, subfunction 12 ==================== |
1633 | ===================== Function 26, subfunction 12 ==================== |
1586 | ========== Find out whether low-level PCI access is enabled. ========= |
1634 | ========== Find out whether low-level PCI access is enabled. ========= |
1587 | ====================================================================== |
1635 | ====================================================================== |
1588 | Parameters: |
1636 | Parameters: |
1589 | * eax = 26 - function number |
1637 | * eax = 26 - function number |
1590 | * ebx = 12 - subfunction number |
1638 | * ebx = 12 - subfunction number |
1591 | Returned value: |
1639 | Returned value: |
1592 | * eax = 0/1 - disabled/enabled |
1640 | * eax = 0/1 - disabled/enabled |
1593 | Remarks: |
1641 | Remarks: |
1594 | * Is used by operations with PCI bus (function 62). |
1642 | * Is used by operations with PCI bus (function 62). |
1595 | * The current implementation uses only low bit of ecx. |
1643 | * The current implementation uses only low bit of ecx. |
1596 | * To set the current state use subfunction 12 of function 21. |
1644 | * To set the current state use subfunction 12 of function 21. |
1597 | 1645 | ||
1598 | ====================================================================== |
1646 | ====================================================================== |
1599 | ======== Function 27 - set Windows Sound System (WSS) volume. ======== |
1647 | ======== Function 27 - set Windows Sound System (WSS) volume. ======== |
1600 | ====================================================================== |
1648 | ====================================================================== |
1601 | Parameters: |
1649 | Parameters: |
1602 | * eax = 27 - function number |
1650 | * eax = 27 - function number |
1603 | * ebx = what to set: |
1651 | * ebx = what to set: |
1604 | * 1 - set common volume |
1652 | * 1 - set common volume |
1605 | * 2 - set Line In volume |
1653 | * 2 - set Line In volume |
1606 | * cl = volume level (0x0=highest, 0x1F=lowest, |
1654 | * cl = volume level (0x0=highest, 0x1F=lowest, |
1607 | if bit 0x80 is set=disable) |
1655 | if bit 0x80 is set=disable) |
1608 | Returned value: |
1656 | Returned value: |
1609 | * eax = 0 - success |
1657 | * eax = 0 - success |
1610 | * eax = 1 - WSS base is not defined |
1658 | * eax = 1 - WSS base is not defined |
1611 | * eax = 2 - incorrect subfunction |
1659 | * eax = 2 - incorrect subfunction |
1612 | Remarks: |
1660 | Remarks: |
1613 | * Previously WSS base port must be defined by call to |
1661 | * Previously WSS base port must be defined by call to |
1614 | subfunction 6 of function 21. |
1662 | subfunction 6 of function 21. |
1615 | * Set of common volume is ignored (function simply returns eax=0). |
1663 | * Set of common volume is ignored (function simply returns eax=0). |
1616 | * Old documentation and kernel sources erraticly name function 2 |
1664 | * Old documentation and kernel sources erraticly name function 2 |
1617 | as CD-audio volume. |
1665 | as CD-audio volume. |
1618 | 1666 | ||
1619 | ====================================================================== |
1667 | ====================================================================== |
1620 | =================== Function 28 - set SB16 volume. =================== |
1668 | =================== Function 28 - set SB16 volume. =================== |
1621 | ====================================================================== |
1669 | ====================================================================== |
1622 | Parameters: |
1670 | Parameters: |
1623 | * eax = 28 - function number |
1671 | * eax = 28 - function number |
1624 | * ebx = what to install: |
1672 | * ebx = what to install: |
1625 | * 1 - install common volume |
1673 | * 1 - install common volume |
1626 | * 2 - install CD-audio volume |
1674 | * 2 - install CD-audio volume |
1627 | * cl = volume level (0=off, 0xFF=max) |
1675 | * cl = volume level (0=off, 0xFF=max) |
1628 | Returned value: |
1676 | Returned value: |
1629 | * eax = 0 - success |
1677 | * eax = 0 - success |
1630 | * eax = 1 - SB base is not defined |
1678 | * eax = 1 - SB base is not defined |
1631 | * eax = 2 - incorrect subfunction |
1679 | * eax = 2 - incorrect subfunction |
1632 | Remarks: |
1680 | Remarks: |
1633 | * Previously SB base port must be defined by |
1681 | * Previously SB base port must be defined by |
1634 | subfunction 4 of function 21. |
1682 | subfunction 4 of function 21. |
1635 | * This function gives more variants for volume, that function 25. |
1683 | * This function gives more variants for volume, that function 25. |
1636 | 1684 | ||
1637 | ====================================================================== |
1685 | ====================================================================== |
1638 | =================== Function 29 - get system date. =================== |
1686 | =================== Function 29 - get system date. =================== |
1639 | ====================================================================== |
1687 | ====================================================================== |
1640 | Parameters: |
1688 | Parameters: |
1641 | * eax = 29 - function number |
1689 | * eax = 29 - function number |
1642 | Returned value: |
1690 | Returned value: |
1643 | * eax = 0x00DDMMYY, where |
1691 | * eax = 0x00DDMMYY, where |
1644 | (binary-decimal coding, BCD, is used) |
1692 | (binary-decimal coding, BCD, is used) |
1645 | * YY = two low digits of year (00..99) |
1693 | * YY = two low digits of year (00..99) |
1646 | * MM = month (01..12) |
1694 | * MM = month (01..12) |
1647 | * DD = day (01..31) |
1695 | * DD = day (01..31) |
1648 | Remarks: |
1696 | Remarks: |
1649 | * To set system date use function 22. |
1697 | * To set system date use function 22. |
1650 | 1698 | ||
1651 | ====================================================================== |
1699 | ====================================================================== |
1652 | =============== Function 32 - delete file from ramdisk. ============== |
1700 | =============== Function 32 - delete file from ramdisk. ============== |
1653 | ====================================================================== |
1701 | ====================================================================== |
1654 | Parameters: |
1702 | Parameters: |
1655 | * eax = 32 - function number |
1703 | * eax = 32 - function number |
1656 | * ebx = pointer to the filename |
1704 | * ebx = pointer to the filename |
1657 | Returned value: |
1705 | Returned value: |
1658 | * eax = 0 - success; otherwise file system error code |
1706 | * eax = 0 - success; otherwise file system error code |
1659 | Remarks: |
1707 | Remarks: |
1660 | * This function is obsolete; function 58 allows to fulfill |
1708 | * This function is obsolete; function 58 allows to fulfill |
1661 | the same operations with the extended possibilities. |
1709 | the same operations with the extended possibilities. |
1662 | * The current implementation returns only values 0(success) and |
1710 | * The current implementation returns only values 0(success) and |
1663 | 5(file not found). |
1711 | 5(file not found). |
1664 | * The filename must be either in the format 8+3 characters |
1712 | * The filename must be either in the format 8+3 characters |
1665 | (first 8 characters - name itself, last 3 - extension, |
1713 | (first 8 characters - name itself, last 3 - extension, |
1666 | the short names and extensions are supplemented with spaces), |
1714 | the short names and extensions are supplemented with spaces), |
1667 | or in the format 8.3 characters "FILE.EXT"/"FILE.EX " |
1715 | or in the format 8.3 characters "FILE.EXT"/"FILE.EX " |
1668 | (name no more than 8 characters, dot, extension 3 characters |
1716 | (name no more than 8 characters, dot, extension 3 characters |
1669 | supplemented if necessary by spaces). |
1717 | supplemented if necessary by spaces). |
1670 | The filename must be written with capital letters. The terminating |
1718 | The filename must be written with capital letters. The terminating |
1671 | character with code 0 is not necessary (not ASCIIZ-string). |
1719 | character with code 0 is not necessary (not ASCIIZ-string). |
1672 | * This function does not support folders on the ramdisk. |
1720 | * This function does not support folders on the ramdisk. |
1673 | 1721 | ||
1674 | ====================================================================== |
1722 | ====================================================================== |
1675 | ================ Function 33 - write file to ramdisk. ================ |
1723 | ================ Function 33 - write file to ramdisk. ================ |
1676 | ====================================================================== |
1724 | ====================================================================== |
1677 | Parameters: |
1725 | Parameters: |
1678 | * eax = 33 - function number |
1726 | * eax = 33 - function number |
1679 | * ebx = pointer to the filename |
1727 | * ebx = pointer to the filename |
1680 | * ecx = pointer to data for writing |
1728 | * ecx = pointer to data for writing |
1681 | * edx = number of bytes for writing |
1729 | * edx = number of bytes for writing |
1682 | * should be set esi=0 |
1730 | * should be set esi=0 |
1683 | Returned value: |
1731 | Returned value: |
1684 | * eax = 0 - success, otherwise file system error code |
1732 | * eax = 0 - success, otherwise file system error code |
1685 | Remarks: |
1733 | Remarks: |
1686 | * This function is obsolete; function 70 allows to fulfil |
1734 | * This function is obsolete; function 70 allows to fulfil |
1687 | the same operations with extended possibilities. |
1735 | the same operations with extended possibilities. |
1688 | * If esi contains non-zero value and selected file already exists, |
1736 | * If esi contains non-zero value and selected file already exists, |
1689 | one more file with the same name will be created. |
1737 | one more file with the same name will be created. |
1690 | * Otherwise file will be overwritten. |
1738 | * Otherwise file will be overwritten. |
1691 | * The filename must be either in the format 8+3 characters |
1739 | * The filename must be either in the format 8+3 characters |
1692 | (first 8 characters - name itself, last 3 - extension, |
1740 | (first 8 characters - name itself, last 3 - extension, |
1693 | the short names and extensions are supplemented with spaces), |
1741 | the short names and extensions are supplemented with spaces), |
1694 | or in the format 8.3 characters "FILE.EXT"/"FILE.EX " |
1742 | or in the format 8.3 characters "FILE.EXT"/"FILE.EX " |
1695 | (name no more than 8 characters, dot, extension 3 characters |
1743 | (name no more than 8 characters, dot, extension 3 characters |
1696 | supplemented if necessary by spaces). |
1744 | supplemented if necessary by spaces). |
1697 | The filename must be written with capital letters. The terminating |
1745 | The filename must be written with capital letters. The terminating |
1698 | character with code 0 is not necessary (not ASCIIZ-string). |
1746 | character with code 0 is not necessary (not ASCIIZ-string). |
1699 | * This function does not support folders on the ramdisk. |
1747 | * This function does not support folders on the ramdisk. |
1700 | 1748 | ||
1701 | ====================================================================== |
1749 | ====================================================================== |
1702 | ======= Function 35 - read the color of a pixel on the screen. ======= |
1750 | ======= Function 35 - read the color of a pixel on the screen. ======= |
1703 | ====================================================================== |
1751 | ====================================================================== |
1704 | Parameters: |
1752 | Parameters: |
1705 | * eax = 35 |
1753 | * eax = 35 |
1706 | * ebx = y*xsize+x, where |
1754 | * ebx = y*xsize+x, where |
1707 | * (x,y) = coordinates of a pixel (beginning from 0) |
1755 | * (x,y) = coordinates of a pixel (beginning from 0) |
1708 | * xsize = horizontal screen size |
1756 | * xsize = horizontal screen size |
1709 | Returned value: |
1757 | Returned value: |
1710 | * eax = color 0x00RRGGBB |
1758 | * eax = color 0x00RRGGBB |
1711 | Remarks: |
1759 | Remarks: |
1712 | * To get screen sizes use function 14. Pay attention, |
1760 | * To get screen sizes use function 14. Pay attention, |
1713 | that it subtracts 1 from both sizes. |
1761 | that it subtracts 1 from both sizes. |
1714 | * There is also direct access (without any system calls) |
1762 | * There is also direct access (without any system calls) |
1715 | to videomemory through the selector gs. To get parameters of |
1763 | to videomemory through the selector gs. To get parameters of |
1716 | the current videomode, use function 61. |
1764 | the current videomode, use function 61. |
1717 | 1765 | ||
1718 | ====================================================================== |
1766 | ====================================================================== |
1719 | ========= Function 37 - get coordinates/status of the mouse. ========= |
1767 | ========= Function 37 - get coordinates/status of the mouse. ========= |
1720 | ====================================================================== |
1768 | ====================================================================== |
1721 | 1769 | ||
1722 | ---------- Subfunction 0 - screen coordinates of the mouse ----------- |
1770 | ---------- Subfunction 0 - screen coordinates of the mouse ----------- |
1723 | Parameters: |
1771 | Parameters: |
1724 | * eax = 37 - function number |
1772 | * eax = 37 - function number |
1725 | * ebx = 0 - subfunction number |
1773 | * ebx = 0 - subfunction number |
1726 | Returned value: |
1774 | Returned value: |
1727 | * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer |
1775 | * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer |
1728 | (beginning from 0) |
1776 | (beginning from 0) |
1729 | 1777 | ||
1730 | -- Subfunction 1 - coordinates of the mouse relative to the window --- |
1778 | -- Subfunction 1 - coordinates of the mouse relative to the window --- |
1731 | Parameters: |
1779 | Parameters: |
1732 | * eax = 37 - function number |
1780 | * eax = 37 - function number |
1733 | * ebx = 1 - subfunction number |
1781 | * ebx = 1 - subfunction number |
1734 | Returned value: |
1782 | Returned value: |
1735 | * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer |
1783 | * eax = x*65536 + y, (x,y)=coordinates of the mouse pointer |
1736 | relative to the application window (beginning from 0) |
1784 | relative to the application window (beginning from 0) |
1737 | Remarks: |
1785 | Remarks: |
1738 | * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd). |
1786 | * The value is calculated by formula (x-xwnd)*65536 + (y-ywnd). |
1739 | If y>=ywnd, the low word is non-negative and contains |
1787 | If y>=ywnd, the low word is non-negative and contains |
1740 | relative y-coordinate, and the high word - relative x-coordinate |
1788 | relative y-coordinate, and the high word - relative x-coordinate |
1741 | (with correct sign). Otherwise the low word is negative and still |
1789 | (with correct sign). Otherwise the low word is negative and still |
1742 | contains relative y-coordinate, and to the high word |
1790 | contains relative y-coordinate, and to the high word |
1743 | 1 should be added. |
1791 | 1 should be added. |
1744 | 1792 | ||
1745 | ------------ Subfunction 2 - pressed buttons of the mouse ------------ |
1793 | ------------ Subfunction 2 - pressed buttons of the mouse ------------ |
1746 | Parameters: |
1794 | Parameters: |
1747 | * eax = 37 - function number |
1795 | * eax = 37 - function number |
1748 | * ebx = 2 - subfunction number |
1796 | * ebx = 2 - subfunction number |
1749 | Returned value: |
1797 | Returned value: |
1750 | * eax contains information on the pressed mouse buttons: |
1798 | * eax contains information on the pressed mouse buttons: |
1751 | * bit 0 is set = left button is pressed |
1799 | * bit 0 is set = left button is pressed |
1752 | * bit 1 is set = right button is pressed |
1800 | * bit 1 is set = right button is pressed |
1753 | * other bits are cleared |
1801 | * other bits are cleared |
1754 | 1802 | ||
1755 | ====================================================================== |
1803 | ====================================================================== |
1756 | ====================== Function 38 - draw line. ====================== |
1804 | ====================== Function 38 - draw line. ====================== |
1757 | ====================================================================== |
1805 | ====================================================================== |
1758 | Parameters: |
1806 | Parameters: |
1759 | * eax = 38 - function number |
1807 | * eax = 38 - function number |
1760 | * ebx = [start coordinate on axis x]*65536 + |
1808 | * ebx = [start coordinate on axis x]*65536 + |
1761 | [end coordinate on axis x] |
1809 | [end coordinate on axis x] |
1762 | * ecx = [start coordinate on axis y]*65536 + |
1810 | * ecx = [start coordinate on axis y]*65536 + |
1763 | [end coordinate on axis y] |
1811 | [end coordinate on axis y] |
1764 | * edx = 0x00RRGGBB - color |
1812 | * edx = 0x00RRGGBB - color |
1765 | Returned value: |
1813 | Returned value: |
1766 | * function does not return value |
1814 | * function does not return value |
1767 | Remarks: |
1815 | Remarks: |
1768 | * Coordinates are relative to the window. |
1816 | * Coordinates are relative to the window. |
1769 | * End point is also drawn. |
1817 | * End point is also drawn. |
1770 | 1818 | ||
1771 | ====================================================================== |
1819 | ====================================================================== |
1772 | == Function 39, subfunction 1 - get a size of the background image. == |
1820 | == Function 39, subfunction 1 - get a size of the background image. == |
1773 | ====================================================================== |
1821 | ====================================================================== |
1774 | Parameters: |
1822 | Parameters: |
1775 | * eax = 39 - function number |
1823 | * eax = 39 - function number |
1776 | * ebx = 1 - subfunction number |
1824 | * ebx = 1 - subfunction number |
1777 | Returned value: |
1825 | Returned value: |
1778 | * eax = [width]*65536 + [height] |
1826 | * eax = [width]*65536 + [height] |
1779 | Remarks: |
1827 | Remarks: |
1780 | * There is a pair function to set sizes of background image - |
1828 | * There is a pair function to set sizes of background image - |
1781 | subfunction 1 of function 15. After which it is necessary, |
1829 | subfunction 1 of function 15. After which it is necessary, |
1782 | of course, anew to define image. |
1830 | of course, anew to define image. |
1783 | 1831 | ||
1784 | ====================================================================== |
1832 | ====================================================================== |
1785 | == Function 39, subfunction 2 - get pixel from the background image. = |
1833 | == Function 39, subfunction 2 - get pixel from the background image. = |
1786 | ====================================================================== |
1834 | ====================================================================== |
1787 | Parameters: |
1835 | Parameters: |
1788 | * eax = 39 - function number |
1836 | * eax = 39 - function number |
1789 | * ebx = 2 - subfunction number |
1837 | * ebx = 2 - subfunction number |
1790 | * ecx = offset |
1838 | * ecx = offset |
1791 | Returned value: |
1839 | Returned value: |
1792 | * eax = 0x00RRGGBB - pixel color, if offset is valid |
1840 | * eax = 0x00RRGGBB - pixel color, if offset is valid |
1793 | (less than 0x160000-16) |
1841 | (less than 0x160000-16) |
1794 | * eax = 2 otherwise |
1842 | * eax = 2 otherwise |
1795 | Remarks: |
1843 | Remarks: |
1796 | * Do not rely on returned value for invalid offsets, it may be |
1844 | * Do not rely on returned value for invalid offsets, it may be |
1797 | changed in future kernel versions. |
1845 | changed in future kernel versions. |
1798 | * Offset for pixel with coordinates (x,y) |
1846 | * Offset for pixel with coordinates (x,y) |
1799 | is calculated as (x+y*xsize)*3. |
1847 | is calculated as (x+y*xsize)*3. |
1800 | * There is a pair function to set pixel on the background image - |
1848 | * There is a pair function to set pixel on the background image - |
1801 | subfunction 2 of function 15. |
1849 | subfunction 2 of function 15. |
1802 | 1850 | ||
1803 | ====================================================================== |
1851 | ====================================================================== |
1804 | == Function 39, subfunction 4 - get drawing mode for the background. = |
1852 | == Function 39, subfunction 4 - get drawing mode for the background. = |
1805 | ====================================================================== |
1853 | ====================================================================== |
1806 | Parameters: |
1854 | Parameters: |
1807 | * eax = 39 - function number |
1855 | * eax = 39 - function number |
1808 | * ebx = 4 - subfunction number |
1856 | * ebx = 4 - subfunction number |
1809 | Returned value: |
1857 | Returned value: |
1810 | * eax = 1 - tile |
1858 | * eax = 1 - tile |
1811 | * eax = 2 - stretch |
1859 | * eax = 2 - stretch |
1812 | Remarks: |
1860 | Remarks: |
1813 | * There is a pair function to set drawing mode - |
1861 | * There is a pair function to set drawing mode - |
1814 | subfunction 4 of function 15. |
1862 | subfunction 4 of function 15. |
1815 | 1863 | ||
1816 | ====================================================================== |
1864 | ====================================================================== |
1817 | =========== Function 40 - set the mask for expected events. ========== |
1865 | =========== Function 40 - set the mask for expected events. ========== |
1818 | ====================================================================== |
1866 | ====================================================================== |
1819 | The mask for expected events affects function working with events |
1867 | The mask for expected events affects function working with events |
1820 | 10, 11, 23 - they notify only about events allowed by this mask. |
1868 | 10, 11, 23 - they notify only about events allowed by this mask. |
1821 | Parameters: |
1869 | Parameters: |
1822 | * eax = 40 - function number |
1870 | * eax = 40 - function number |
1823 | * ebx = mask: bit i corresponds to event i+1 (see list of events) |
1871 | * ebx = mask: bit i corresponds to event i+1 (see list of events) |
1824 | (set bit permits notice on event) |
1872 | (set bit permits notice on event) |
1825 | Returned value: |
1873 | Returned value: |
1826 | * function does not return value |
1874 | * function does not return value |
1827 | Remarks: |
1875 | Remarks: |
1828 | * Default mask (7=111b) enables nofices about redraw, |
1876 | * Default mask (7=111b) enables nofices about redraw, |
1829 | keys and buttons. This is enough for many applications. |
1877 | keys and buttons. This is enough for many applications. |
1830 | * Events prohibited in the mask are saved anyway, when come; |
1878 | * Events prohibited in the mask are saved anyway, when come; |
1831 | they are simply not informed with event functions. |
1879 | they are simply not informed with event functions. |
1832 | * Event functions take into account the mask on moment of |
1880 | * Event functions take into account the mask on moment of |
1833 | function call, not on moment of event arrival. |
1881 | function call, not on moment of event arrival. |
1834 | 1882 | ||
1835 | ====================================================================== |
1883 | ====================================================================== |
1836 | ==================== Function 41 - get IRQ owner. ==================== |
1884 | ==================== Function 41 - get IRQ owner. ==================== |
1837 | ====================================================================== |
1885 | ====================================================================== |
1838 | Parameters: |
1886 | Parameters: |
1839 | * eax = 41 - function number |
1887 | * eax = 41 - function number |
1840 | * ebx = IRQ number, 0..15 |
1888 | * ebx = IRQ number, 0..15 |
1841 | Returned value: |
1889 | Returned value: |
1842 | * eax = owner PID |
1890 | * eax = owner PID |
1843 | * eax = 0, if there is no owner |
1891 | * eax = 0, if there is no owner |
1844 | * eax = -1 for incorrect ebx |
1892 | * eax = -1 for incorrect ebx |
1845 | 1893 | ||
1846 | ====================================================================== |
1894 | ====================================================================== |
1847 | ==================== Function 42 - read IRQ data. ==================== |
1895 | ==================== Function 42 - read IRQ data. ==================== |
1848 | ====================================================================== |
1896 | ====================================================================== |
1849 | When an IRQ occurs, the system reads data from ports indicated |
1897 | When an IRQ occurs, the system reads data from ports indicated |
1850 | earlier by function 44 and writes this data to |
1898 | earlier by function 44 and writes this data to |
1851 | internal buffer. This function reads out data from that buffer |
1899 | internal buffer. This function reads out data from that buffer |
1852 | bytewise. |
1900 | bytewise. |
1853 | Parameters: |
1901 | Parameters: |
1854 | * eax = 42 - function number |
1902 | * eax = 42 - function number |
1855 | * ebx = IRQ number, 0..15 |
1903 | * ebx = IRQ number, 0..15 |
1856 | Returned value: (use value of ecx to distinguish) |
1904 | Returned value: (use value of ecx to distinguish) |
1857 | * if the thread is not IRQ owner (or IRQ number is incorrect): |
1905 | * if the thread is not IRQ owner (or IRQ number is incorrect): |
1858 | * ecx = 2 |
1906 | * ecx = 2 |
1859 | * if there is no data: |
1907 | * if there is no data: |
1860 | * eax = 0 |
1908 | * eax = 0 |
1861 | * ecx = 1 |
1909 | * ecx = 1 |
1862 | * ebx destroyed |
1910 | * ebx destroyed |
1863 | * if all is ok: |
1911 | * if all is ok: |
1864 | * eax = byte size of data, not yet read from buffer |
1912 | * eax = byte size of data, not yet read from buffer |
1865 | * ecx = 0 |
1913 | * ecx = 0 |
1866 | * ebx = current byte |
1914 | * ebx = current byte |
1867 | Remarks: |
1915 | Remarks: |
1868 | * Previously the thread must reserve indicated IRQ for itself |
1916 | * Previously the thread must reserve indicated IRQ for itself |
1869 | by function 45. |
1917 | by function 45. |
1870 | * The size of data buffer is 4000 bytes, on overflow |
1918 | * The size of data buffer is 4000 bytes, on overflow |
1871 | "fresh" data cease to be written in the buffer. |
1919 | "fresh" data cease to be written in the buffer. |
1872 | 1920 | ||
1873 | ====================================================================== |
1921 | ====================================================================== |
1874 | ================ Function 43 - input/output to a port. =============== |
1922 | ================ Function 43 - input/output to a port. =============== |
1875 | ====================================================================== |
1923 | ====================================================================== |
1876 | 1924 | ||
1877 | ------------------------ Output data to port ------------------------- |
1925 | ------------------------ Output data to port ------------------------- |
1878 | Parameters: |
1926 | Parameters: |
1879 | * eax = 43 - function number |
1927 | * eax = 43 - function number |
1880 | * bl = byte for output |
1928 | * bl = byte for output |
1881 | * ecx = port number 0xnnnn (from 0 to 0xFFFF) |
1929 | * ecx = port number 0xnnnn (from 0 to 0xFFFF) |
1882 | Returned value: |
1930 | Returned value: |
1883 | * eax = 0 - success |
1931 | * eax = 0 - success |
1884 | * eax = 1 - the thread has not reserved the selected port |
1932 | * eax = 1 - the thread has not reserved the selected port |
1885 | 1933 | ||
1886 | ------------------------ Input data from port ------------------------ |
1934 | ------------------------ Input data from port ------------------------ |
1887 | Parameters: |
1935 | Parameters: |
1888 | * eax = 43 - function number |
1936 | * eax = 43 - function number |
1889 | * ebx is ignored |
1937 | * ebx is ignored |
1890 | * ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF) |
1938 | * ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF) |
1891 | Returned value: |
1939 | Returned value: |
1892 | * eax = 0 - success, thus ebx = entered byte |
1940 | * eax = 0 - success, thus ebx = entered byte |
1893 | * eax = 1 - the thread has not reserved the selected port |
1941 | * eax = 1 - the thread has not reserved the selected port |
1894 | Remarks: |
1942 | Remarks: |
1895 | * Previously the thread must reserve the selected port |
1943 | * Previously the thread must reserve the selected port |
1896 | for itself by function 46. |
1944 | for itself by function 46. |
1897 | * Instead of call to this function it is better to use |
1945 | * Instead of call to this function it is better to use |
1898 | processor instructions in/out - this is much |
1946 | processor instructions in/out - this is much |
1899 | faster and a bit shorter and easier. |
1947 | faster and a bit shorter and easier. |
1900 | 1948 | ||
1901 | ====================================================================== |
1949 | ====================================================================== |
1902 | =========== Function 44 - define operations at IRQ arrival. ========== |
1950 | =========== Function 44 - define operations at IRQ arrival. ========== |
1903 | ====================================================================== |
1951 | ====================================================================== |
1904 | At IRQ arrival the system can read the data from ports defined |
1952 | At IRQ arrival the system can read the data from ports defined |
1905 | by this function and write these data to internal buffer, whence |
1953 | by this function and write these data to internal buffer, whence |
1906 | they can be read by ôóíêöèåé 42. |
1954 | they can be read by ôóíêöèåé 42. |
1907 | Parameters: |
1955 | Parameters: |
1908 | * eax = 44 - function number |
1956 | * eax = 44 - function number |
1909 | * ebx = pointer to the array of structures each describing one port: |
1957 | * ebx = pointer to the array of structures each describing one port: |
1910 | * +0: word: 0 means end of array, otherwise port number |
1958 | * +0: word: 0 means end of array, otherwise port number |
1911 | * +2: byte: reserved (ignored) |
1959 | * +2: byte: reserved (ignored) |
1912 | * +3: byte: 1=read byte from this port, 2=read word |
1960 | * +3: byte: 1=read byte from this port, 2=read word |
1913 | * ecx = IRQ number, 0..15 |
1961 | * ecx = IRQ number, 0..15 |
1914 | Returned value: |
1962 | Returned value: |
1915 | * eax = 0 - success |
1963 | * eax = 0 - success |
1916 | * eax = 1 - the thread is not owner of selected IRQ |
1964 | * eax = 1 - the thread is not owner of selected IRQ |
1917 | Remarks: |
1965 | Remarks: |
1918 | * Previously the thread must reserve for itself selected IRQ |
1966 | * Previously the thread must reserve for itself selected IRQ |
1919 | by function 45. |
1967 | by function 45. |
1920 | * First 16 ports are considered only. |
1968 | * First 16 ports are considered only. |
1921 | * The current implementation considers incorrect value of field +3 |
1969 | * The current implementation considers incorrect value of field +3 |
1922 | as a signal to terminate IRQ processing. |
1970 | as a signal to terminate IRQ processing. |
1923 | 1971 | ||
1924 | ====================================================================== |
1972 | ====================================================================== |
1925 | =================== Function 45 - reserve/free IRQ. ================== |
1973 | =================== Function 45 - reserve/free IRQ. ================== |
1926 | ====================================================================== |
1974 | ====================================================================== |
1927 | Parameters: |
1975 | Parameters: |
1928 | * eax = 45 - function number |
1976 | * eax = 45 - function number |
1929 | * ebx = 0 - reserve, 1 = free |
1977 | * ebx = 0 - reserve, 1 = free |
1930 | * ecx = IRQ number, 0..15 |
1978 | * ecx = IRQ number, 0..15 |
1931 | Returned value: |
1979 | Returned value: |
1932 | * eax = 0 - success |
1980 | * eax = 0 - success |
1933 | * eax = 1 - error (invalid IRQ number |
1981 | * eax = 1 - error (invalid IRQ number |
1934 | or attempt to reserve not free IRQ |
1982 | or attempt to reserve not free IRQ |
1935 | or to free IRQ, not reserved by this thread) |
1983 | or to free IRQ, not reserved by this thread) |
1936 | Remarks: |
1984 | Remarks: |
1937 | * IRQ reservation is required for functions 42 and 44. |
1985 | * IRQ reservation is required for functions 42 and 44. |
1938 | * Only one thread can reserve the specific IRQ. |
1986 | * Only one thread can reserve the specific IRQ. |
1939 | * IRQs, handled by the system itself, are reserved by the system |
1987 | * IRQs, handled by the system itself, are reserved by the system |
1940 | (thread 1) at booting. |
1988 | (thread 1) at booting. |
1941 | * When a thread terminates, all reserved by it IRQs |
1989 | * When a thread terminates, all reserved by it IRQs |
1942 | are freed automatically. |
1990 | are freed automatically. |
1943 | 1991 | ||
1944 | ====================================================================== |
1992 | ====================================================================== |
1945 | ====== Function 46 - reserve/free a group of input/output ports. ===== |
1993 | ====== Function 46 - reserve/free a group of input/output ports. ===== |
1946 | ====================================================================== |
1994 | ====================================================================== |
1947 | To work with reserved ports an application can access directly by |
1995 | To work with reserved ports an application can access directly by |
1948 | commands in/out (recommended way) and can use function 43 |
1996 | commands in/out (recommended way) and can use function 43 |
1949 | (not recommended way). |
1997 | (not recommended way). |
1950 | Parameters: |
1998 | Parameters: |
1951 | * eax = 46 - function number |
1999 | * eax = 46 - function number |
1952 | * ebx = 0 - reserve, 1 - free |
2000 | * ebx = 0 - reserve, 1 - free |
1953 | * ecx = start port number |
2001 | * ecx = start port number |
1954 | * edx = end port number (inclusive) |
2002 | * edx = end port number (inclusive) |
1955 | Returned value: |
2003 | Returned value: |
1956 | * eax = 0 - success |
2004 | * eax = 0 - success |
1957 | * eax = 1 - error |
2005 | * eax = 1 - error |
1958 | Remarks: |
2006 | Remarks: |
1959 | * For ports reservation: an error occurs if and only if |
2007 | * For ports reservation: an error occurs if and only if |
1960 | one from the following condition satisfies: |
2008 | one from the following condition satisfies: |
1961 | * start port is more than end port; |
2009 | * start port is more than end port; |
1962 | * the selected range contains incorrect port number |
2010 | * the selected range contains incorrect port number |
1963 | (correct are from 0 to 0xFFFF); |
2011 | (correct are from 0 to 0xFFFF); |
1964 | * limit for the total number of reserved areas is exceeded |
2012 | * limit for the total number of reserved areas is exceeded |
1965 | (maximum 255 are allowed); |
2013 | (maximum 255 are allowed); |
1966 | * the selected range intersects with any of earlier reserved |
2014 | * the selected range intersects with any of earlier reserved |
1967 | * For ports free: an error is an attempt to free range, |
2015 | * For ports free: an error is an attempt to free range, |
1968 | that was not earlier reserved by this function |
2016 | that was not earlier reserved by this function |
1969 | (with same ecx,edx). |
2017 | (with same ecx,edx). |
1970 | * If an error occurs (for both cases) function performs no action. |
2018 | * If an error occurs (for both cases) function performs no action. |
1971 | * At booting the system reserves for itself ports 0..0xff, and if |
2019 | * At booting the system reserves for itself ports 0..0xff, and if |
1972 | COM-mouse is detected - additionally range of COM-ports |
2020 | COM-mouse is detected - additionally range of COM-ports |
1973 | 0x3f0..0x3ff and/or 0x2f0..0x2ff. |
2021 | 0x3f0..0x3ff and/or 0x2f0..0x2ff. |
1974 | * When a thread terminates, all reserved by it ports |
2022 | * When a thread terminates, all reserved by it ports |
1975 | are freed automatically. |
2023 | are freed automatically. |
1976 | 2024 | ||
1977 | ====================================================================== |
2025 | ====================================================================== |
1978 | ============= Function 47 - draw a number in the window. ============= |
2026 | ============= Function 47 - draw a number in the window. ============= |
1979 | ====================================================================== |
2027 | ====================================================================== |
1980 | Parameters: |
2028 | Parameters: |
1981 | * eax = 47 - function number |
2029 | * eax = 47 - function number |
1982 | * ebx = parameters of conversion number to text: |
2030 | * ebx = parameters of conversion number to text: |
1983 | * bl = 0 - ecx contains number |
2031 | * bl = 0 - ecx contains number |
1984 | * bl = 1 - ecx contains pointer to dword-number |
2032 | * bl = 1 - ecx contains pointer to dword-number |
1985 | * bh = 0 - display in decimal number system |
2033 | * bh = 0 - display in decimal number system |
1986 | * bh = 1 - display in hexadecimal system |
2034 | * bh = 1 - display in hexadecimal system |
1987 | * bh = 2 - display in binary system |
2035 | * bh = 2 - display in binary system |
1988 | * áèòû 16-21 = how many digits to display |
2036 | * áèòû 16-21 = how many digits to display |
1989 | * áèòû 22-31 reserved and must be set to 0 |
2037 | * áèòû 22-31 reserved and must be set to 0 |
1990 | * ecx = number (if bl=0) or pointer (if bl=1) |
2038 | * ecx = number (if bl=0) or pointer (if bl=1) |
1991 | * edx = [coordinate on axis x]*65536 + [coordinate on axis y] |
2039 | * edx = [coordinate on axis x]*65536 + [coordinate on axis y] |
1992 | * esi = 0xN0RRGGBB, RRGGBB=color, N=font (0/1) |
2040 | * esi = 0xN0RRGGBB, RRGGBB=color, N=font (0/1) |
1993 | Returned value: |
2041 | Returned value: |
1994 | * function does not return value |
2042 | * function does not return value |
1995 | Remarks: |
2043 | Remarks: |
1996 | * The given length must not exceed 60. |
2044 | * The given length must not exceed 60. |
1997 | * The exactly given amount of digits is output. If number is small |
2045 | * The exactly given amount of digits is output. If number is small |
1998 | and can be written by smaller amount of digits, it is supplemented |
2046 | and can be written by smaller amount of digits, it is supplemented |
1999 | by leading zeroes; if the number is big and can not be written by |
2047 | by leading zeroes; if the number is big and can not be written by |
2000 | given amount of digits, extra digits are not drawn. |
2048 | given amount of digits, extra digits are not drawn. |
2001 | * Parameters of fonts are shown in the description of function 4 |
2049 | * Parameters of fonts are shown in the description of function 4 |
2002 | (text output). |
2050 | (text output). |
2003 | 2051 | ||
2004 | ====================================================================== |
2052 | ====================================================================== |
2005 | ========= Function 48, subfunction 0 - apply screen settings. ======== |
2053 | ========= Function 48, subfunction 0 - apply screen settings. ======== |
2006 | ====================================================================== |
2054 | ====================================================================== |
2007 | Parameters: |
2055 | Parameters: |
2008 | * eax = 48 - function number |
2056 | * eax = 48 - function number |
2009 | * ebx = 0 - subfunction number |
2057 | * ebx = 0 - subfunction number |
2010 | * ecx = 0 - reserved |
2058 | * ecx = 0 - reserved |
2011 | Returned value: |
2059 | Returned value: |
2012 | * function does not return value |
2060 | * function does not return value |
2013 | Remarks: |
2061 | Remarks: |
2014 | * Function redraws the screen after parameters change by |
2062 | * Function redraws the screen after parameters change by |
2015 | subfunctions 1 and 2. |
2063 | subfunctions 1 and 2. |
2016 | * Function call without prior call to one of indicated subfunctions |
2064 | * Function call without prior call to one of indicated subfunctions |
2017 | is ignored. |
2065 | is ignored. |
2018 | * Function call with nonzero ecx is ignored. |
2066 | * Function call with nonzero ecx is ignored. |
2019 | 2067 | ||
2020 | ====================================================================== |
2068 | ====================================================================== |
2021 | =========== Function 48, subfunction 1 - set button style. =========== |
2069 | =========== Function 48, subfunction 1 - set button style. =========== |
2022 | ====================================================================== |
2070 | ====================================================================== |
2023 | Parameters: |
2071 | Parameters: |
2024 | * eax = 48 - function number |
2072 | * eax = 48 - function number |
2025 | * ebx = 1 - subfunction number |
2073 | * ebx = 1 - subfunction number |
2026 | * ecx = button style: |
2074 | * ecx = button style: |
2027 | * 0 = flat |
2075 | * 0 = flat |
2028 | * 1 = 3d |
2076 | * 1 = 3d |
2029 | Returned value: |
2077 | Returned value: |
2030 | * function does not return value |
2078 | * function does not return value |
2031 | Remarks: |
2079 | Remarks: |
2032 | * After call to this function one should redraw the screen by |
2080 | * After call to this function one should redraw the screen by |
2033 | subfunction 0. |
2081 | subfunction 0. |
2034 | * Button style influences only to their draw of function 8. |
2082 | * Button style influences only to their draw of function 8. |
2035 | 2083 | ||
2036 | ====================================================================== |
2084 | ====================================================================== |
2037 | ====== Function 48, subfunction 2 - set standard window colors. ====== |
2085 | ====== Function 48, subfunction 2 - set standard window colors. ====== |
2038 | ====================================================================== |
2086 | ====================================================================== |
2039 | Parameters: |
2087 | Parameters: |
2040 | * eax = 48 - function number |
2088 | * eax = 48 - function number |
2041 | * ebx = 2 - subfunction number |
2089 | * ebx = 2 - subfunction number |
2042 | * ecx = pointer to the color table |
2090 | * ecx = pointer to the color table |
2043 | * edx = size of the color table |
2091 | * edx = size of the color table |
2044 | (must be 40 bytes for future compatibility) |
2092 | (must be 40 bytes for future compatibility) |
2045 | Format of the color table is shown in description of subfunction 3. |
2093 | Format of the color table is shown in description of subfunction 3. |
2046 | Returned value: |
2094 | Returned value: |
2047 | * function does not return value |
2095 | * function does not return value |
2048 | Remarks: |
2096 | Remarks: |
2049 | * After call to this function one should redraw the screen by |
2097 | * After call to this function one should redraw the screen by |
2050 | subfunction 0. |
2098 | subfunction 0. |
2051 | * Table of standard colors influences only to applications, |
2099 | * Table of standard colors influences only to applications, |
2052 | which receive this table obviously (by subfunction 3) |
2100 | which receive this table obviously (by subfunction 3) |
2053 | and use it (specifying colors from it to drawing functions). |
2101 | and use it (specifying colors from it to drawing functions). |
2054 | * Table of standard colors is included in skin and is installed |
2102 | * Table of standard colors is included in skin and is installed |
2055 | anew with skin installation (by subfunction 8). |
2103 | anew with skin installation (by subfunction 8). |
2056 | * Color table can be viewed/changed interactively with |
2104 | * Color table can be viewed/changed interactively with |
2057 | the application 'desktop'. |
2105 | the application 'desktop'. |
2058 | 2106 | ||
2059 | ====================================================================== |
2107 | ====================================================================== |
2060 | ====== Function 48, subfunction 3 - get standard window colors. ====== |
2108 | ====== Function 48, subfunction 3 - get standard window colors. ====== |
2061 | ====================================================================== |
2109 | ====================================================================== |
2062 | Parameters: |
2110 | Parameters: |
2063 | * eax = 48 - function number |
2111 | * eax = 48 - function number |
2064 | * ebx = 3 - subfunction number |
2112 | * ebx = 3 - subfunction number |
2065 | * ecx = pointer to the buffer with size edx bytes, |
2113 | * ecx = pointer to the buffer with size edx bytes, |
2066 | where table will be written |
2114 | where table will be written |
2067 | * edx = size of color table |
2115 | * edx = size of color table |
2068 | (must be 40 bytes for future compatibility) |
2116 | (must be 40 bytes for future compatibility) |
2069 | Returned value: |
2117 | Returned value: |
2070 | * function does not return value |
2118 | * function does not return value |
2071 | Format of the color table: |
2119 | Format of the color table: |
2072 | each item is dword-value for color 0x00RRGGBB |
2120 | each item is dword-value for color 0x00RRGGBB |
2073 | * +0: dword: frames - color of frame |
2121 | * +0: dword: frames - color of frame |
2074 | * +4: dword: grab - color of header |
2122 | * +4: dword: grab - color of header |
2075 | * +8: dword: grab_button - color of button on header bar |
2123 | * +8: dword: grab_button - color of button on header bar |
2076 | * +12 = +0xC: dword: grab_button_text - color of text on button |
2124 | * +12 = +0xC: dword: grab_button_text - color of text on button |
2077 | on header bar |
2125 | on header bar |
2078 | * +16 = +0x10: dword: grab_text - color of text on header |
2126 | * +16 = +0x10: dword: grab_text - color of text on header |
2079 | * +20 = +0x14: dword: work - color of working area |
2127 | * +20 = +0x14: dword: work - color of working area |
2080 | * +24 = +0x18: dword: work_button - color of button in working area |
2128 | * +24 = +0x18: dword: work_button - color of button in working area |
2081 | * +28 = +0x1C: dword: work_button_text - color of text on button |
2129 | * +28 = +0x1C: dword: work_button_text - color of text on button |
2082 | in working area |
2130 | in working area |
2083 | * +32 = +0x20: dword: work_text - color of text in working area |
2131 | * +32 = +0x20: dword: work_text - color of text in working area |
2084 | * +36 = +0x24: dword: work_graph - color of graphics in working area |
2132 | * +36 = +0x24: dword: work_graph - color of graphics in working area |
2085 | Remarks: |
2133 | Remarks: |
2086 | * Structure of the color table is described in the standard |
2134 | * Structure of the color table is described in the standard |
2087 | include file 'macros.inc' as 'system_colors'; for example, |
2135 | include file 'macros.inc' as 'system_colors'; for example, |
2088 | it is possible to write: |
2136 | it is possible to write: |
2089 | sc system_colors ; variable declaration |
2137 | sc system_colors ; variable declaration |
2090 | ... ; somewhere one must call |
2138 | ... ; somewhere one must call |
2091 | ; this function with ecx=sc |
2139 | ; this function with ecx=sc |
2092 | mov ecx, [sc.work_button_text] ; read text color on |
2140 | mov ecx, [sc.work_button_text] ; read text color on |
2093 | ; buttin in working area |
2141 | ; buttin in working area |
2094 | * A program itself desides to use or not to use color table. |
2142 | * A program itself desides to use or not to use color table. |
2095 | For usage program must simply at calls to drawing functions select |
2143 | For usage program must simply at calls to drawing functions select |
2096 | color taken from the table. |
2144 | color taken from the table. |
2097 | * At change of the table of standard colors (by subfunction 2 with |
2145 | * At change of the table of standard colors (by subfunction 2 with |
2098 | the subsequent application of changes by subfunction 0 or |
2146 | the subsequent application of changes by subfunction 0 or |
2099 | at skin set by subfunction 8) the system sends to all windows |
2147 | at skin set by subfunction 8) the system sends to all windows |
2100 | redraw message (the event with code 1). |
2148 | redraw message (the event with code 1). |
2101 | * Color table can be viewed/changed interactively with |
2149 | * Color table can be viewed/changed interactively with |
2102 | the application 'desktop'. |
2150 | the application 'desktop'. |
2103 | 2151 | ||
2104 | ====================================================================== |
2152 | ====================================================================== |
2105 | ============ Function 48, subfunction 4 - get skin height. =========== |
2153 | ============ Function 48, subfunction 4 - get skin height. =========== |
2106 | ====================================================================== |
2154 | ====================================================================== |
2107 | Parameters: |
2155 | Parameters: |
2108 | * eax = 48 - function number |
2156 | * eax = 48 - function number |
2109 | * ebx = 4 - subfunction number |
2157 | * ebx = 4 - subfunction number |
2110 | Returned value: |
2158 | Returned value: |
2111 | * eax = skin height |
2159 | * eax = skin height |
2112 | Remarks: |
2160 | Remarks: |
2113 | * Skin height is defined as the height of a header |
2161 | * Skin height is defined as the height of a header |
2114 | of skinned windows. |
2162 | of skinned windows. |
2115 | * See also general structure of window in the description |
2163 | * See also general structure of window in the description |
2116 | of function 0. |
2164 | of function 0. |
2117 | 2165 | ||
2118 | ====================================================================== |
2166 | ====================================================================== |
2119 | ======== Function 48, subfunction 5 - get screen working area. ======= |
2167 | ======== Function 48, subfunction 5 - get screen working area. ======= |
2120 | ====================================================================== |
2168 | ====================================================================== |
2121 | Parameters: |
2169 | Parameters: |
2122 | * eax = 48 - function number |
2170 | * eax = 48 - function number |
2123 | * ebx = 5 - subfunction number |
2171 | * ebx = 5 - subfunction number |
2124 | Returned value: |
2172 | Returned value: |
2125 | * eax = [left]*65536 + [right] |
2173 | * eax = [left]*65536 + [right] |
2126 | * ebx = [top]*65536 + [bottom] |
2174 | * ebx = [top]*65536 + [bottom] |
2127 | Remarks: |
2175 | Remarks: |
2128 | * The screen working area defines position and coordinates of |
2176 | * The screen working area defines position and coordinates of |
2129 | a maximized window. |
2177 | a maximized window. |
2130 | * The screen working area in view of normal work is all screen |
2178 | * The screen working area in view of normal work is all screen |
2131 | without system panel (the application '@panel'). |
2179 | without system panel (the application '@panel'). |
2132 | * (left,top) are coordinates of the left upper corner, |
2180 | * (left,top) are coordinates of the left upper corner, |
2133 | (right,bottom) are coordinates of the right lower one. |
2181 | (right,bottom) are coordinates of the right lower one. |
2134 | Thus the size of working area on x axis can be calculated by |
2182 | Thus the size of working area on x axis can be calculated by |
2135 | formula right-left+1, on y axis - by formula bottom-right+1. |
2183 | formula right-left+1, on y axis - by formula bottom-right+1. |
2136 | * See also function 14, |
2184 | * See also function 14, |
2137 | to get sizes of all screen. |
2185 | to get sizes of all screen. |
2138 | * There is a pair function to set working area - subfunction 6. |
2186 | * There is a pair function to set working area - subfunction 6. |
2139 | 2187 | ||
2140 | ====================================================================== |
2188 | ====================================================================== |
2141 | ======== Function 48, subfunction 6 - set screen working area. ======= |
2189 | ======== Function 48, subfunction 6 - set screen working area. ======= |
2142 | ====================================================================== |
2190 | ====================================================================== |
2143 | Parameters: |
2191 | Parameters: |
2144 | * eax = 48 - function number |
2192 | * eax = 48 - function number |
2145 | * ebx = 6 - subfunction number |
2193 | * ebx = 6 - subfunction number |
2146 | * ecx = [left]*65536 + [right] |
2194 | * ecx = [left]*65536 + [right] |
2147 | * edx = [top]*65536 + [bottom] |
2195 | * edx = [top]*65536 + [bottom] |
2148 | Returned value: |
2196 | Returned value: |
2149 | * function does not return value |
2197 | * function does not return value |
2150 | Remarks: |
2198 | Remarks: |
2151 | * The screen working area defines position and coordinates of |
2199 | * The screen working area defines position and coordinates of |
2152 | a maximized window. |
2200 | a maximized window. |
2153 | * This function is used only by the application '@panel', |
2201 | * This function is used only by the application '@panel', |
2154 | which set working area to all screen without system panel. |
2202 | which set working area to all screen without system panel. |
2155 | * (left,top) are coordinates of the left upper corner, |
2203 | * (left,top) are coordinates of the left upper corner, |
2156 | (right,bottom) are coordinates of the right lower one. |
2204 | (right,bottom) are coordinates of the right lower one. |
2157 | Thus the size of working area on x axis can be calculated by |
2205 | Thus the size of working area on x axis can be calculated by |
2158 | formula right-left+1, on y axis - by formula bottom-right+1. |
2206 | formula right-left+1, on y axis - by formula bottom-right+1. |
2159 | * If 'left'>='right', x-coordinate of working area is not changed. |
2207 | * If 'left'>='right', x-coordinate of working area is not changed. |
2160 | If 'left'<0, 'left' will not be set. If 'right' is greater than or |
2208 | If 'left'<0, 'left' will not be set. If 'right' is greater than or |
2161 | equal to screen width, 'right' will not be set. |
2209 | equal to screen width, 'right' will not be set. |
2162 | Similarly on y axis. |
2210 | Similarly on y axis. |
2163 | * See also function 14, |
2211 | * See also function 14, |
2164 | to get sizes of all screen. |
2212 | to get sizes of all screen. |
2165 | * There is a pair function to get working area - subfunction 5. |
2213 | * There is a pair function to get working area - subfunction 5. |
2166 | * This function redraws the screen automatically, |
2214 | * This function redraws the screen automatically, |
2167 | updating coordinates and sizes of maximized windows. |
2215 | updating coordinates and sizes of maximized windows. |
2168 | The system sends to all windows redraw message (the event 1). |
2216 | The system sends to all windows redraw message (the event 1). |
2169 | 2217 | ||
2170 | ====================================================================== |
2218 | ====================================================================== |
2171 | =========== Function 48, subfunction 7 - get skin margins. =========== |
2219 | =========== Function 48, subfunction 7 - get skin margins. =========== |
2172 | ====================================================================== |
2220 | ====================================================================== |
2173 | Returns the area of a header of a skinned window, intended for |
2221 | Returns the area of a header of a skinned window, intended for |
2174 | a text of a header. |
2222 | a text of a header. |
2175 | Parameters: |
2223 | Parameters: |
2176 | * eax = 48 - function number |
2224 | * eax = 48 - function number |
2177 | * ebx = 7 - subfunction number |
2225 | * ebx = 7 - subfunction number |
2178 | Returned value: |
2226 | Returned value: |
2179 | * eax = [left]*65536 + [right] |
2227 | * eax = [left]*65536 + [right] |
2180 | * ebx = [top]*65536 + [bottom] |
2228 | * ebx = [top]*65536 + [bottom] |
2181 | Remarks: |
2229 | Remarks: |
2182 | * An application decides itself to use or not to use this function. |
2230 | * An application decides itself to use or not to use this function. |
2183 | * It is recommended to take into account returned value |
2231 | * It is recommended to take into account returned value |
2184 | of this function for choice of a place for drawing header text |
2232 | of this function for choice of a place for drawing header text |
2185 | (by function 4) or a substitute of header text |
2233 | (by function 4) or a substitute of header text |
2186 | (at the discretion of an application). |
2234 | (at the discretion of an application). |
2187 | 2235 | ||
2188 | ====================================================================== |
2236 | ====================================================================== |
2189 | ============= Function 48, subfunction 8 - set used skin. ============ |
2237 | ============= Function 48, subfunction 8 - set used skin. ============ |
2190 | ====================================================================== |
2238 | ====================================================================== |
2191 | Parameters: |
2239 | Parameters: |
2192 | * eax = 48 - function number |
2240 | * eax = 48 - function number |
2193 | * ebx = 8 - subfunction number |
2241 | * ebx = 8 - subfunction number |
2194 | * ecx = pointer to a block for function 58, in |
2242 | * ecx = pointer to a block for function 58, in |
2195 | which the fields of intermediate buffer and file name are filled |
2243 | which the fields of intermediate buffer and file name are filled |
2196 | Returned value: |
2244 | Returned value: |
2197 | * eax = 0 - success |
2245 | * eax = 0 - success |
2198 | * otherwise eax = file system error code; if file does not |
2246 | * otherwise eax = file system error code; if file does not |
2199 | contain valid skin, function returns error 3 |
2247 | contain valid skin, function returns error 3 |
2200 | (unknown file system). |
2248 | (unknown file system). |
2201 | Remarks: |
2249 | Remarks: |
2202 | * After successful skin loading the system sends to all windows |
2250 | * After successful skin loading the system sends to all windows |
2203 | redraw message (the event 1). |
2251 | redraw message (the event 1). |
2204 | * At booting the system reads skin from file 'default.skn' |
2252 | * At booting the system reads skin from file 'default.skn' |
2205 | on ramdisk. |
2253 | on ramdisk. |
2206 | * User can change the skin statically by creating hisself |
2254 | * User can change the skin statically by creating hisself |
2207 | 'default.skn' or dynamically with the application 'desktop'. |
2255 | 'default.skn' or dynamically with the application 'desktop'. |
2208 | 2256 | ||
2209 | ====================================================================== |
2257 | ====================================================================== |
2210 | =========== Function 49 - Advanced Power Management (APM). =========== |
2258 | =========== Function 49 - Advanced Power Management (APM). =========== |
2211 | ====================================================================== |
2259 | ====================================================================== |
2212 | Parameters: |
2260 | Parameters: |
2213 | * eax = 49 - function number |
2261 | * eax = 49 - function number |
2214 | * dx = number of the APM function |
2262 | * dx = number of the APM function |
2215 | (analogue of ax in APM specification) |
2263 | (analogue of ax in APM specification) |
2216 | * bx, cx = parameters of the APM function |
2264 | * bx, cx = parameters of the APM function |
2217 | Returned value: |
2265 | Returned value: |
2218 | * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF |
2266 | * 16-bit registers ax, bx, cx, dx, si, di and carry flag CF |
2219 | are set according to the APM specification |
2267 | are set according to the APM specification |
2220 | * high halves of 32-bit registers eax, ebx, ecx, |
2268 | * high halves of 32-bit registers eax, ebx, ecx, |
2221 | edx, esi, edi are destroyed |
2269 | edx, esi, edi are destroyed |
2222 | Remarks: |
2270 | Remarks: |
2223 | * APM 1.2 specification is described in the document |
2271 | * APM 1.2 specification is described in the document |
2224 | "Advanced Power Management (APM) BIOS Specification" |
2272 | "Advanced Power Management (APM) BIOS Specification" |
2225 | (Revision 1.2), available at |
2273 | (Revision 1.2), available at |
2226 | http://www.microsoft.com/whdc/archive/amp_12.mspx; |
2274 | http://www.microsoft.com/whdc/archive/amp_12.mspx; |
2227 | besides it is included in famous Interrupt List by Ralf Brown |
2275 | besides it is included in famous Interrupt List by Ralf Brown |
2228 | (http://www.pobox.com/~ralf/files.html, |
2276 | (http://www.pobox.com/~ralf/files.html, |
2229 | ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/). |
2277 | ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/). |
2230 | 2278 | ||
2231 | ====================================================================== |
2279 | ====================================================================== |
2232 | =================== Function 50 - set window shape. ================== |
2280 | =================== Function 50 - set window shape. ================== |
2233 | ====================================================================== |
2281 | ====================================================================== |
2234 | Normal windows have rectangular shape. This function can give to |
2282 | Normal windows have rectangular shape. This function can give to |
2235 | a window any shape. The shape is given by a set of points inside |
2283 | a window any shape. The shape is given by a set of points inside |
2236 | the base rectangle belonging to a window. Position and coordinates |
2284 | the base rectangle belonging to a window. Position and coordinates |
2237 | of the base rectangle are set by function 0 |
2285 | of the base rectangle are set by function 0 |
2238 | and changed by function 67. |
2286 | and changed by function 67. |
2239 | 2287 | ||
2240 | --------------------------- Set shape data --------------------------- |
2288 | --------------------------- Set shape data --------------------------- |
2241 | Parameters: |
2289 | Parameters: |
2242 | * eax = 50 - function number |
2290 | * eax = 50 - function number |
2243 | * ebx = 0 - subfunction number |
2291 | * ebx = 0 - subfunction number |
2244 | * ecx = pointer to shape data (array of bytes 0/1) |
2292 | * ecx = pointer to shape data (array of bytes 0/1) |
2245 | Returned value: |
2293 | Returned value: |
2246 | * function does not return value |
2294 | * function does not return value |
2247 | 2295 | ||
2248 | -------------------------- Set shape scale --------------------------- |
2296 | -------------------------- Set shape scale --------------------------- |
2249 | Parameters: |
2297 | Parameters: |
2250 | * eax = 50 - function number |
2298 | * eax = 50 - function number |
2251 | * ebx = 1 - subfunction number |
2299 | * ebx = 1 - subfunction number |
2252 | * ecx sets a scale: each byte of data defines |
2300 | * ecx sets a scale: each byte of data defines |
2253 | (2^scale)*(2^scale) pixels |
2301 | (2^scale)*(2^scale) pixels |
2254 | Returned value: |
2302 | Returned value: |
2255 | * function does not return value |
2303 | * function does not return value |
2256 | Remarks: |
2304 | Remarks: |
2257 | * Default scale is 0 (scale factor is 1). If in the shape data |
2305 | * Default scale is 0 (scale factor is 1). If in the shape data |
2258 | one byte corresponds to one pixel, there is no necessity |
2306 | one byte corresponds to one pixel, there is no necessity |
2259 | to set scale. |
2307 | to set scale. |
2260 | * Let's designate xsize = window width (in pixels), ysize = height; |
2308 | * Let's designate xsize = window width (in pixels), ysize = height; |
2261 | pay attention, that they are one pixel more than defined by |
2309 | pay attention, that they are one pixel more than defined by |
2262 | functions 0, 67. |
2310 | functions 0, 67. |
2263 | * On definition of scale xsize and ysize must be divisible |
2311 | * On definition of scale xsize and ysize must be divisible |
2264 | on 2^scale. |
2312 | on 2^scale. |
2265 | * Byte of data on offset 'a' must be 0/1 and defines belonging |
2313 | * Byte of data on offset 'a' must be 0/1 and defines belonging |
2266 | to a window of square with the side 2^scale (if scale=0, |
2314 | to a window of square with the side 2^scale (if scale=0, |
2267 | this is one pixel) and coordinates of the left upper corner |
2315 | this is one pixel) and coordinates of the left upper corner |
2268 | (a mod (xsize shr scale), a div (xsize shr scale)) |
2316 | (a mod (xsize shr scale), a div (xsize shr scale)) |
2269 | * Data size: (xsize shr scale)*(ysize shr scale). |
2317 | * Data size: (xsize shr scale)*(ysize shr scale). |
2270 | * Data must be presented in the memory and not change |
2318 | * Data must be presented in the memory and not change |
2271 | after set of shape. |
2319 | after set of shape. |
2272 | * The system views the shape data at every window redraw by |
2320 | * The system views the shape data at every window redraw by |
2273 | function 0. |
2321 | function 0. |
2274 | * The call of subfunction 0 with NULL pointer results in return |
2322 | * The call of subfunction 0 with NULL pointer results in return |
2275 | to the rectangular shape. |
2323 | to the rectangular shape. |
2276 | 2324 | ||
2277 | ====================================================================== |
2325 | ====================================================================== |
2278 | ==================== Function 51 - create thread. ==================== |
2326 | ==================== Function 51 - create thread. ==================== |
2279 | ====================================================================== |
2327 | ====================================================================== |
2280 | Parameters: |
2328 | Parameters: |
2281 | * eax = 51 - function number |
2329 | * eax = 51 - function number |
2282 | * ebx = 1 - unique subfunction |
2330 | * ebx = 1 - unique subfunction |
2283 | * ecx = address of thread entry point (starting eip) |
2331 | * ecx = address of thread entry point (starting eip) |
2284 | * edx = pointer to thread stack (starting esp) |
2332 | * edx = pointer to thread stack (starting esp) |
2285 | Returned value: |
2333 | Returned value: |
2286 | * eax = -1 - error (there is too many threads) |
2334 | * eax = -1 - error (there is too many threads) |
2287 | * otherwise eax = TID - thread identifier |
2335 | * otherwise eax = TID - thread identifier |
2288 | 2336 | ||
2289 | 2337 | ||
2290 | ====================================================================== |
2338 | ====================================================================== |
2291 | === Function 52, subfunction 0 - get network driver configuration. === |
2339 | === Function 52, subfunction 0 - get network driver configuration. === |
2292 | ====================================================================== |
2340 | ====================================================================== |
2293 | Parameters: |
2341 | Parameters: |
2294 | * eax = 52 - function number |
2342 | * eax = 52 - function number |
2295 | * ebx = 0 - subfunction number |
2343 | * ebx = 0 - subfunction number |
2296 | Returned value: |
2344 | Returned value: |
2297 | * eax = configuration dword |
2345 | * eax = configuration dword |
2298 | Remarks: |
2346 | Remarks: |
2299 | * Configuration dword can be set by subfunction 2. |
2347 | * Configuration dword can be set by subfunction 2. |
2300 | * The kernel does not use this variable. The value of this |
2348 | * The kernel does not use this variable. The value of this |
2301 | variable and working with it subfunctions 0 and 2 is represented |
2349 | variable and working with it subfunctions 0 and 2 is represented |
2302 | doubtful. |
2350 | doubtful. |
2303 | 2351 | ||
2304 | ====================================================================== |
2352 | ====================================================================== |
2305 | ========= Function 52, subfunction 1 - get local IP-address. ========= |
2353 | ========= Function 52, subfunction 1 - get local IP-address. ========= |
2306 | ====================================================================== |
2354 | ====================================================================== |
2307 | Parameters: |
2355 | Parameters: |
2308 | * eax = 52 - function number |
2356 | * eax = 52 - function number |
2309 | * ebx = 1 - subfunction number |
2357 | * ebx = 1 - subfunction number |
2310 | Returned value: |
2358 | Returned value: |
2311 | * eax = IP-address (4 bytes) |
2359 | * eax = IP-address (4 bytes) |
2312 | Remarks: |
2360 | Remarks: |
2313 | * Local IP-address is set by subfunction 3. |
2361 | * Local IP-address is set by subfunction 3. |
2314 | 2362 | ||
2315 | ====================================================================== |
2363 | ====================================================================== |
2316 | === Function 52, subfunction 2 - set network driver configuration. === |
2364 | === Function 52, subfunction 2 - set network driver configuration. === |
2317 | ====================================================================== |
2365 | ====================================================================== |
2318 | Parameters: |
2366 | Parameters: |
2319 | * eax = 52 - function number |
2367 | * eax = 52 - function number |
2320 | * ebx = 2 - subfunction number |
2368 | * ebx = 2 - subfunction number |
2321 | * ecx = configuration dword; if low 7 bits derivate the number 3, |
2369 | * ecx = configuration dword; if low 7 bits derivate the number 3, |
2322 | function [re-]initializes Ethernet-card, otherwise |
2370 | function [re-]initializes Ethernet-card, otherwise |
2323 | Ethernet turns off |
2371 | Ethernet turns off |
2324 | Returned value: |
2372 | Returned value: |
2325 | * if Ethernet-interface is not requested, function returns eax=2, |
2373 | * if Ethernet-interface is not requested, function returns eax=2, |
2326 | but this can be changed in future kernel versions |
2374 | but this can be changed in future kernel versions |
2327 | * if Ethernet-interface is requested, eax=0 means error |
2375 | * if Ethernet-interface is requested, eax=0 means error |
2328 | (absence of Ethernet-card), and nonzero value - success |
2376 | (absence of Ethernet-card), and nonzero value - success |
2329 | Remarks: |
2377 | Remarks: |
2330 | * Configuration dword can be read by subfunction 0. |
2378 | * Configuration dword can be read by subfunction 0. |
2331 | * The kernel does not use this variable. The value of this |
2379 | * The kernel does not use this variable. The value of this |
2332 | variable, subfunction 0 and part of subfunction 2, which set it, |
2380 | variable, subfunction 0 and part of subfunction 2, which set it, |
2333 | is represented doubtful. |
2381 | is represented doubtful. |
2334 | 2382 | ||
2335 | ====================================================================== |
2383 | ====================================================================== |
2336 | ========= Function 52, subfunction 3 - set local IP-address. ========= |
2384 | ========= Function 52, subfunction 3 - set local IP-address. ========= |
2337 | ====================================================================== |
2385 | ====================================================================== |
2338 | Parameters: |
2386 | Parameters: |
2339 | * eax = 52 - function number |
2387 | * eax = 52 - function number |
2340 | * ebx = 3 - subfunction number |
2388 | * ebx = 3 - subfunction number |
2341 | * ecx = IP-address (4 bytes) |
2389 | * ecx = IP-address (4 bytes) |
2342 | Returned value: |
2390 | Returned value: |
2343 | * the current implementation returns eax=3, but this can be changed |
2391 | * the current implementation returns eax=3, but this can be changed |
2344 | in future versions |
2392 | in future versions |
2345 | Remarks: |
2393 | Remarks: |
2346 | * Local IP-address can be get by subfunction 1. |
2394 | * Local IP-address can be get by subfunction 1. |
2347 | 2395 | ||
2348 | ====================================================================== |
2396 | ====================================================================== |
2349 | = Function 52, subfunction 6 - add data to the stack of input queue. = |
2397 | = Function 52, subfunction 6 - add data to the stack of input queue. = |
2350 | ====================================================================== |
2398 | ====================================================================== |
2351 | Parameters: |
2399 | Parameters: |
2352 | * eax = 52 - function number |
2400 | * eax = 52 - function number |
2353 | * ebx = 6 - subfunction number |
2401 | * ebx = 6 - subfunction number |
2354 | * edx = data size |
2402 | * edx = data size |
2355 | * esi = data pointer |
2403 | * esi = data pointer |
2356 | Returned value: |
2404 | Returned value: |
2357 | * eax = -1 - error |
2405 | * eax = -1 - error |
2358 | * eax = 0 - success |
2406 | * eax = 0 - success |
2359 | Remarks: |
2407 | Remarks: |
2360 | * This function is intended only for slow network drivers |
2408 | * This function is intended only for slow network drivers |
2361 | (PPP, SLIP). |
2409 | (PPP, SLIP). |
2362 | * Data size must not exceed 1500 bytes, though function |
2410 | * Data size must not exceed 1500 bytes, though function |
2363 | performs no checks on correctness. |
2411 | performs no checks on correctness. |
2364 | 2412 | ||
2365 | ====================================================================== |
2413 | ====================================================================== |
2366 | Function 52, subfunction 8 - read data from the network output queue. |
2414 | Function 52, subfunction 8 - read data from the network output queue. |
2367 | ====================================================================== |
2415 | ====================================================================== |
2368 | Parameters: |
2416 | Parameters: |
2369 | * eax = 52 - function number |
2417 | * eax = 52 - function number |
2370 | * ebx = 8 - subfunction number |
2418 | * ebx = 8 - subfunction number |
2371 | * esi = pointer to 1500-byte buffer |
2419 | * esi = pointer to 1500-byte buffer |
2372 | Returned value: |
2420 | Returned value: |
2373 | * eax = number of read bytes (in the current implementation |
2421 | * eax = number of read bytes (in the current implementation |
2374 | either 0 = no data or 1500) |
2422 | either 0 = no data or 1500) |
2375 | * data was copied in buffer |
2423 | * data was copied in buffer |
2376 | Remarks: |
2424 | Remarks: |
2377 | * This function is intended only for slow network drivers |
2425 | * This function is intended only for slow network drivers |
2378 | (PPP, SLIP). |
2426 | (PPP, SLIP). |
2379 | 2427 | ||
2380 | ====================================================================== |
2428 | ====================================================================== |
2381 | ============ Function 52, subfunction 9 - get gateway IP. ============ |
2429 | ============ Function 52, subfunction 9 - get gateway IP. ============ |
2382 | ====================================================================== |
2430 | ====================================================================== |
2383 | Parameters: |
2431 | Parameters: |
2384 | * eax = 52 - function number |
2432 | * eax = 52 - function number |
2385 | * ebx = 9 - subfunction number |
2433 | * ebx = 9 - subfunction number |
2386 | Returned value: |
2434 | Returned value: |
2387 | * eax = gateway IP (4 bytes) |
2435 | * eax = gateway IP (4 bytes) |
2388 | 2436 | ||
2389 | ====================================================================== |
2437 | ====================================================================== |
2390 | =========== Function 52, subfunction 10 - get subnet mask. =========== |
2438 | =========== Function 52, subfunction 10 - get subnet mask. =========== |
2391 | ====================================================================== |
2439 | ====================================================================== |
2392 | Parameters: |
2440 | Parameters: |
2393 | * eax = 52 - function number |
2441 | * eax = 52 - function number |
2394 | * ebx = 10 - subfunction number |
2442 | * ebx = 10 - subfunction number |
2395 | Returned value: |
2443 | Returned value: |
2396 | * eax = subnet mask |
2444 | * eax = subnet mask |
2397 | 2445 | ||
2398 | ====================================================================== |
2446 | ====================================================================== |
2399 | ============ Function 52, subfunction 11 - set gateway IP. =========== |
2447 | ============ Function 52, subfunction 11 - set gateway IP. =========== |
2400 | ====================================================================== |
2448 | ====================================================================== |
2401 | Parameters: |
2449 | Parameters: |
2402 | * eax = 52 - function number |
2450 | * eax = 52 - function number |
2403 | * ebx = 11 - subfunction number |
2451 | * ebx = 11 - subfunction number |
2404 | * ecx = gateway IP (4 bytes) |
2452 | * ecx = gateway IP (4 bytes) |
2405 | Returned value: |
2453 | Returned value: |
2406 | * the current implementation returns eax=11, but this can be changed |
2454 | * the current implementation returns eax=11, but this can be changed |
2407 | in future versions |
2455 | in future versions |
2408 | 2456 | ||
2409 | ====================================================================== |
2457 | ====================================================================== |
2410 | =========== Function 52, subfunction 12 - set subnet mask. =========== |
2458 | =========== Function 52, subfunction 12 - set subnet mask. =========== |
2411 | ====================================================================== |
2459 | ====================================================================== |
2412 | Parameters: |
2460 | Parameters: |
2413 | * eax = 52 - function number |
2461 | * eax = 52 - function number |
2414 | * ebx = 12 - subfunction number |
2462 | * ebx = 12 - subfunction number |
2415 | * ecx = subnet mask |
2463 | * ecx = subnet mask |
2416 | Returned value: |
2464 | Returned value: |
2417 | * the current implementation returns eax=12, but this can be changed |
2465 | * the current implementation returns eax=12, but this can be changed |
2418 | in future versions |
2466 | in future versions |
2419 | 2467 | ||
2420 | ====================================================================== |
2468 | ====================================================================== |
2421 | ============== Function 52, subfunction 13 - get DNS IP. ============= |
2469 | ============== Function 52, subfunction 13 - get DNS IP. ============= |
2422 | ====================================================================== |
2470 | ====================================================================== |
2423 | Parameters: |
2471 | Parameters: |
2424 | * eax = 52 - function number |
2472 | * eax = 52 - function number |
2425 | * ebx = 13 - subfunction number |
2473 | * ebx = 13 - subfunction number |
2426 | Returned value: |
2474 | Returned value: |
2427 | * eax = DNS IP (4 bytes) |
2475 | * eax = DNS IP (4 bytes) |
2428 | 2476 | ||
2429 | ====================================================================== |
2477 | ====================================================================== |
2430 | ============== Function 52, subfunction 14 - set DNS IP. ============= |
2478 | ============== Function 52, subfunction 14 - set DNS IP. ============= |
2431 | ====================================================================== |
2479 | ====================================================================== |
2432 | Parameters: |
2480 | Parameters: |
2433 | * eax = 52 - function number |
2481 | * eax = 52 - function number |
2434 | * ebx = 14 - subfunction number |
2482 | * ebx = 14 - subfunction number |
2435 | * ecx = DNS IP (4 bytes) |
2483 | * ecx = DNS IP (4 bytes) |
2436 | Returned value: |
2484 | Returned value: |
2437 | * the current implementation returns eax=14, but this can be changed |
2485 | * the current implementation returns eax=14, but this can be changed |
2438 | in future versions |
2486 | in future versions |
2439 | 2487 | ||
2440 | ====================================================================== |
2488 | ====================================================================== |
2441 | ============ Function 53, subfunction 0 - open UDP-socket. =========== |
2489 | ============ Function 53, subfunction 0 - open UDP-socket. =========== |
2442 | ====================================================================== |
2490 | ====================================================================== |
2443 | Parameters: |
2491 | Parameters: |
2444 | * eax = 53 - function number |
2492 | * eax = 53 - function number |
2445 | * ebx = 0 - subfunction number |
2493 | * ebx = 0 - subfunction number |
2446 | * ecx = local port (only low word is taken into account) |
2494 | * ecx = local port (only low word is taken into account) |
2447 | * edx = remote port (only low word is taken into account) |
2495 | * edx = remote port (only low word is taken into account) |
2448 | * esi = remote IP |
2496 | * esi = remote IP |
2449 | Returned value: |
2497 | Returned value: |
2450 | * eax = -1 = 0xFFFFFFFF - error; ebx destroyed |
2498 | * eax = -1 = 0xFFFFFFFF - error; ebx destroyed |
2451 | * eax = socket handle (some number which unambiguously identifies |
2499 | * eax = socket handle (some number which unambiguously identifies |
2452 | socket and have sense only for the system) - success; |
2500 | socket and have sense only for the system) - success; |
2453 | ebx destroyed |
2501 | ebx destroyed |
2454 | 2502 | ||
2455 | ====================================================================== |
2503 | ====================================================================== |
2456 | =========== Function 53, subfunction 1 - close UDP-socket. =========== |
2504 | =========== Function 53, subfunction 1 - close UDP-socket. =========== |
2457 | ====================================================================== |
2505 | ====================================================================== |
2458 | Parameters: |
2506 | Parameters: |
2459 | * eax = 53 - function number |
2507 | * eax = 53 - function number |
2460 | * ebx = 1 - subfunction number |
2508 | * ebx = 1 - subfunction number |
2461 | * ecx = socket handle |
2509 | * ecx = socket handle |
2462 | Returned value: |
2510 | Returned value: |
2463 | * eax = -1 - incorrect handle |
2511 | * eax = -1 - incorrect handle |
2464 | * eax = 0 - success |
2512 | * eax = 0 - success |
2465 | * ebx destroyed |
2513 | * ebx destroyed |
2466 | Remarks: |
2514 | Remarks: |
2467 | * The current implementation does not close automatically all |
2515 | * The current implementation does not close automatically all |
2468 | sockets of a thread at termination. In particular, one should not |
2516 | sockets of a thread at termination. In particular, one should not |
2469 | kill a thread with many opened sockets - there will be an outflow |
2517 | kill a thread with many opened sockets - there will be an outflow |
2470 | of resources. |
2518 | of resources. |
2471 | * The current implementation does no checks on correctness |
2519 | * The current implementation does no checks on correctness |
2472 | (function returns error only if thread tries to close not opened |
2520 | (function returns error only if thread tries to close not opened |
2473 | socket with correct handle). |
2521 | socket with correct handle). |
2474 | 2522 | ||
2475 | ====================================================================== |
2523 | ====================================================================== |
2476 | ============== Function 53, subfunction 2 - poll socket. ============= |
2524 | ============== Function 53, subfunction 2 - poll socket. ============= |
2477 | ====================================================================== |
2525 | ====================================================================== |
2478 | Parameters: |
2526 | Parameters: |
2479 | * eax = 53 - function number |
2527 | * eax = 53 - function number |
2480 | * ebx = 2 - subfunction number |
2528 | * ebx = 2 - subfunction number |
2481 | * ecx = socket handle |
2529 | * ecx = socket handle |
2482 | Returned value: |
2530 | Returned value: |
2483 | * eax = number of read bytes |
2531 | * eax = number of read bytes |
2484 | * ebx destroyed |
2532 | * ebx destroyed |
2485 | Remarks: |
2533 | Remarks: |
2486 | * There is no checks for correctness. |
2534 | * There is no checks for correctness. |
2487 | 2535 | ||
2488 | ====================================================================== |
2536 | ====================================================================== |
2489 | ========= Function 53, subfunction 3 - read byte from socket. ======== |
2537 | ========= Function 53, subfunction 3 - read byte from socket. ======== |
2490 | ====================================================================== |
2538 | ====================================================================== |
2491 | Parameters: |
2539 | Parameters: |
2492 | * eax = 53 - function number |
2540 | * eax = 53 - function number |
2493 | * ebx = 3 - subfunction number |
2541 | * ebx = 3 - subfunction number |
2494 | * ecx = socket handle |
2542 | * ecx = socket handle |
2495 | Returned value: |
2543 | Returned value: |
2496 | * if there is no read data: eax=0, bl=0, |
2544 | * if there is no read data: eax=0, bl=0, |
2497 | other bytes of ebx are destroyed |
2545 | other bytes of ebx are destroyed |
2498 | * if there are read data: eax=number of rest bytes |
2546 | * if there are read data: eax=number of rest bytes |
2499 | (possibly 0), bl=read byte, other bytes of ebx are destroyed |
2547 | (possibly 0), bl=read byte, other bytes of ebx are destroyed |
2500 | Remarks: |
2548 | Remarks: |
2501 | * There is no checks for correctness. |
2549 | * There is no checks for correctness. |
2502 | 2550 | ||
2503 | ====================================================================== |
2551 | ====================================================================== |
2504 | ========== Function 53, subfunction 4 - write to UDP-socket. ========= |
2552 | ========== Function 53, subfunction 4 - write to UDP-socket. ========= |
2505 | ====================================================================== |
2553 | ====================================================================== |
2506 | Parameters: |
2554 | Parameters: |
2507 | * eax = 53 - function number |
2555 | * eax = 53 - function number |
2508 | * ebx = 4 - subfunction number |
2556 | * ebx = 4 - subfunction number |
2509 | * ecx = socket handle |
2557 | * ecx = socket handle |
2510 | * edx = number of bytes to write |
2558 | * edx = number of bytes to write |
2511 | * esi = pointer to data to write |
2559 | * esi = pointer to data to write |
2512 | Returned value: |
2560 | Returned value: |
2513 | * eax = 0xffffffff - invalid handle |
2561 | * eax = 0xffffffff - invalid handle |
2514 | * eax = 0xffff - not enough memory |
2562 | * eax = 0xffff - not enough memory |
2515 | * eax = 0 - success |
2563 | * eax = 0 - success |
2516 | * ebx destroyed |
2564 | * ebx destroyed |
2517 | Remarks: |
2565 | Remarks: |
2518 | * Check on validity of handle is minimal - only not very incorrect |
2566 | * Check on validity of handle is minimal - only not very incorrect |
2519 | not opened handles are eliminated. |
2567 | not opened handles are eliminated. |
2520 | * Number of bytes to write must not exceed 1500-28, though |
2568 | * Number of bytes to write must not exceed 1500-28, though |
2521 | the appropriate check is not made. |
2569 | the appropriate check is not made. |
2522 | 2570 | ||
2523 | ====================================================================== |
2571 | ====================================================================== |
2524 | ============ Function 53, subfunction 5 - open TCP-socket. =========== |
2572 | ============ Function 53, subfunction 5 - open TCP-socket. =========== |
2525 | ====================================================================== |
2573 | ====================================================================== |
2526 | Parameters: |
2574 | Parameters: |
2527 | * eax = 53 - function number |
2575 | * eax = 53 - function number |
2528 | * ebx = 5 - subfunction number |
2576 | * ebx = 5 - subfunction number |
2529 | * ecx = local port (only low word is taken into account) |
2577 | * ecx = local port (only low word is taken into account) |
2530 | * edx = remote port (only low word is taken into account) |
2578 | * edx = remote port (only low word is taken into account) |
2531 | * esi = remote IP |
2579 | * esi = remote IP |
2532 | * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1 |
2580 | * edi = open mode: SOCKET_PASSIVE=0 or SOCKET_ACTIVE=1 |
2533 | Returned value: |
2581 | Returned value: |
2534 | * eax = -1 = 0xFFFFFFFF - error; ebx destroys |
2582 | * eax = -1 = 0xFFFFFFFF - error; ebx destroys |
2535 | * eax = socket handle (some number which unambiguously identifies |
2583 | * eax = socket handle (some number which unambiguously identifies |
2536 | socket and have sense only for the system) - success; |
2584 | socket and have sense only for the system) - success; |
2537 | ebx destroyed |
2585 | ebx destroyed |
2538 | 2586 | ||
2539 | ====================================================================== |
2587 | ====================================================================== |
2540 | ========= Function 53, subfunction 6 - get TCP-socket status. ======== |
2588 | ========= Function 53, subfunction 6 - get TCP-socket status. ======== |
2541 | ====================================================================== |
2589 | ====================================================================== |
2542 | Parameters: |
2590 | Parameters: |
2543 | * eax = 53 - function number |
2591 | * eax = 53 - function number |
2544 | * ebx = 6 - subfunction number |
2592 | * ebx = 6 - subfunction number |
2545 | * ecx = socket handle |
2593 | * ecx = socket handle |
2546 | Returned value: |
2594 | Returned value: |
2547 | * eax = socket status: one of |
2595 | * eax = socket status: one of |
2548 | * TCB_LISTEN = 1 |
2596 | * TCB_LISTEN = 1 |
2549 | * TCB_SYN_SENT = 2 |
2597 | * TCB_SYN_SENT = 2 |
2550 | * TCB_SYN_RECEIVED = 3 |
2598 | * TCB_SYN_RECEIVED = 3 |
2551 | * TCB_ESTABLISHED = 4 |
2599 | * TCB_ESTABLISHED = 4 |
2552 | * TCB_FIN_WAIT_1 = 5 |
2600 | * TCB_FIN_WAIT_1 = 5 |
2553 | * TCB_FIN_WAIT_2 = 6 |
2601 | * TCB_FIN_WAIT_2 = 6 |
2554 | * TCB_CLOSE_WAIT = 7 |
2602 | * TCB_CLOSE_WAIT = 7 |
2555 | * TCB_CLOSING = 8 |
2603 | * TCB_CLOSING = 8 |
2556 | * TCB_LAST_ASK = 9 |
2604 | * TCB_LAST_ASK = 9 |
2557 | * TCB_TIME_WAIT = 10 |
2605 | * TCB_TIME_WAIT = 10 |
2558 | * TCB_CLOSED = 11 |
2606 | * TCB_CLOSED = 11 |
2559 | * ebx destroys |
2607 | * ebx destroys |
2560 | Remarks: |
2608 | Remarks: |
2561 | * There is no checks for correctness. |
2609 | * There is no checks for correctness. |
2562 | 2610 | ||
2563 | ====================================================================== |
2611 | ====================================================================== |
2564 | ========== Function 53, subfunction 7 - write to TCP-socket. ========= |
2612 | ========== Function 53, subfunction 7 - write to TCP-socket. ========= |
2565 | ====================================================================== |
2613 | ====================================================================== |
2566 | Parameters: |
2614 | Parameters: |
2567 | * eax = 53 - function number |
2615 | * eax = 53 - function number |
2568 | * ebx = 7 - subfunction number |
2616 | * ebx = 7 - subfunction number |
2569 | * ecx = socket handle |
2617 | * ecx = socket handle |
2570 | * edx = number of bytes to write |
2618 | * edx = number of bytes to write |
2571 | * esi = pointer to data to write |
2619 | * esi = pointer to data to write |
2572 | Returned value: |
2620 | Returned value: |
2573 | * eax = 0xffffffff - error |
2621 | * eax = 0xffffffff - error |
2574 | * eax = 0xffff - not enough memory |
2622 | * eax = 0xffff - not enough memory |
2575 | * eax = 0 - success |
2623 | * eax = 0 - success |
2576 | * ebx destroyed |
2624 | * ebx destroyed |
2577 | Remarks: |
2625 | Remarks: |
2578 | * Check on validity of handle is minimal - only not very incorrect |
2626 | * Check on validity of handle is minimal - only not very incorrect |
2579 | not opened handles are eliminated. |
2627 | not opened handles are eliminated. |
2580 | * Number of bytes to write must not exceed 1500-40, though |
2628 | * Number of bytes to write must not exceed 1500-40, though |
2581 | the appropriate check is not made. |
2629 | the appropriate check is not made. |
2582 | 2630 | ||
2583 | ====================================================================== |
2631 | ====================================================================== |
2584 | =========== Function 53, subfunction 8 - close TCP-socket. =========== |
2632 | =========== Function 53, subfunction 8 - close TCP-socket. =========== |
2585 | ====================================================================== |
2633 | ====================================================================== |
2586 | Parameters: |
2634 | Parameters: |
2587 | * eax = 53 - function number |
2635 | * eax = 53 - function number |
2588 | * ebx = 8 - subfunction number |
2636 | * ebx = 8 - subfunction number |
2589 | * ecx = socket handle |
2637 | * ecx = socket handle |
2590 | Returned value: |
2638 | Returned value: |
2591 | * eax = -1 - invalid handle |
2639 | * eax = -1 - invalid handle |
2592 | * eax = 0xffff - not enough memory for socket close packet |
2640 | * eax = 0xffff - not enough memory for socket close packet |
2593 | * eax = 0 - success |
2641 | * eax = 0 - success |
2594 | * in many cases eax is destroyed (the result of function 'queue' |
2642 | * in many cases eax is destroyed (the result of function 'queue' |
2595 | is returned) - probably this is bug, which will be corrected |
2643 | is returned) - probably this is bug, which will be corrected |
2596 | * ebx destroyed |
2644 | * ebx destroyed |
2597 | Remarks: |
2645 | Remarks: |
2598 | * The current implementation does not close automatically all |
2646 | * The current implementation does not close automatically all |
2599 | sockets of a thread at termination. In particular, one should not |
2647 | sockets of a thread at termination. In particular, one should not |
2600 | kill a thread with many opened sockets - there will be an outflow |
2648 | kill a thread with many opened sockets - there will be an outflow |
2601 | of resources. |
2649 | of resources. |
2602 | * The current implementation does no checks on correctness |
2650 | * The current implementation does no checks on correctness |
2603 | (function returns error only if thread tries to close not opened |
2651 | (function returns error only if thread tries to close not opened |
2604 | socket with correct handle). |
2652 | socket with correct handle). |
2605 | 2653 | ||
2606 | ====================================================================== |
2654 | ====================================================================== |
2607 | === Function 53, subfunction 9 - check whether local port is free. === |
2655 | === Function 53, subfunction 9 - check whether local port is free. === |
2608 | ====================================================================== |
2656 | ====================================================================== |
2609 | Parameters: |
2657 | Parameters: |
2610 | * eax = 53 - function number |
2658 | * eax = 53 - function number |
2611 | * ebx = 9 - subfunction number |
2659 | * ebx = 9 - subfunction number |
2612 | * ecx = local port number (low 16 bits are used only) |
2660 | * ecx = local port number (low 16 bits are used only) |
2613 | Returned value: |
2661 | Returned value: |
2614 | * eax = 0 - port is used |
2662 | * eax = 0 - port is used |
2615 | * eax = 1 - port is free |
2663 | * eax = 1 - port is free |
2616 | * ebx destroyed |
2664 | * ebx destroyed |
2617 | 2665 | ||
2618 | ====================================================================== |
2666 | ====================================================================== |
2619 | = Function 53, subfunction 255 - debug information of network driver. |
2667 | = Function 53, subfunction 255 - debug information of network driver. |
2620 | ====================================================================== |
2668 | ====================================================================== |
2621 | Parameters: |
2669 | Parameters: |
2622 | * eax = 53 - function number |
2670 | * eax = 53 - function number |
2623 | * ebx = 255 - subfunction number |
2671 | * ebx = 255 - subfunction number |
2624 | * ecx = type of requested information (see below) |
2672 | * ecx = type of requested information (see below) |
2625 | Returned value: |
2673 | Returned value: |
2626 | * eax = requested information |
2674 | * eax = requested information |
2627 | * ebx destroyed |
2675 | * ebx destroyed |
2628 | Possible values for ecx: |
2676 | Possible values for ecx: |
2629 | * 100: length of queue 0 (empty queue) |
2677 | * 100: length of queue 0 (empty queue) |
2630 | * 101: length of queue 1 (ip-out queue) |
2678 | * 101: length of queue 1 (ip-out queue) |
2631 | * 102: length of queue 2 (ip-in queue) |
2679 | * 102: length of queue 2 (ip-in queue) |
2632 | * 103: length of queue 3 (net1out queue) |
2680 | * 103: length of queue 3 (net1out queue) |
2633 | * 200: number of items in the ARP table |
2681 | * 200: number of items in the ARP table |
2634 | * 201: size of the ARP table (in items) (20 for current version) |
2682 | * 201: size of the ARP table (in items) (20 for current version) |
2635 | * 202: read item at edx of the ARP table to the temporary buffer, |
2683 | * 202: read item at edx of the ARP table to the temporary buffer, |
2636 | whence 5 following types take information; |
2684 | whence 5 following types take information; |
2637 | in this case eax is not defined |
2685 | in this case eax is not defined |
2638 | * 203: IP-address saved by type 202 |
2686 | * 203: IP-address saved by type 202 |
2639 | * 204: high dword of MAC-address saved by type 202 |
2687 | * 204: high dword of MAC-address saved by type 202 |
2640 | * 205: low word of MAC-address saved by type 202 |
2688 | * 205: low word of MAC-address saved by type 202 |
2641 | * 206: status word saved by type 202 |
2689 | * 206: status word saved by type 202 |
2642 | * 207: ttl word saved by type 202 |
2690 | * 207: ttl word saved by type 202 |
2643 | * 2: total number of received IP-packets |
2691 | * 2: total number of received IP-packets |
2644 | * 3: total number of transferred IP-packets |
2692 | * 3: total number of transferred IP-packets |
2645 | * 4: total number of dumped received packets |
2693 | * 4: total number of dumped received packets |
2646 | * 5: total number of received ARP-packets |
2694 | * 5: total number of received ARP-packets |
2647 | * 6: status of packet driver, 0=inactive, nonzero=active |
2695 | * 6: status of packet driver, 0=inactive, nonzero=active |
2648 | 2696 | ||
2649 | ====================================================================== |
2697 | ====================================================================== |
2650 | ========== Function 55, subfunction 0 - load data for SB16. ========== |
2698 | ========== Function 55, subfunction 0 - load data for SB16. ========== |
2651 | ====================================================================== |
2699 | ====================================================================== |
2652 | Parameters: |
2700 | Parameters: |
2653 | * eax = 55 - function number |
2701 | * eax = 55 - function number |
2654 | * ebx = 0 - subfunction number |
2702 | * ebx = 0 - subfunction number |
2655 | * ecx = pointer to data (is copied 64 kilobytes, is used as much as |
2703 | * ecx = pointer to data (is copied 64 kilobytes, is used as much as |
2656 | set by subfunction 2) |
2704 | set by subfunction 2) |
2657 | Returned value: |
2705 | Returned value: |
2658 | * function does not return value |
2706 | * function does not return value |
2659 | Remarks: |
2707 | Remarks: |
2660 | * Format and size of data are set by subfunction 2. |
2708 | * Format and size of data are set by subfunction 2. |
2661 | 2709 | ||
2662 | ====================================================================== |
2710 | ====================================================================== |
2663 | ======== Function 55, subfunction 1 - begin play data on SB16. ======= |
2711 | ======== Function 55, subfunction 1 - begin play data on SB16. ======= |
2664 | ====================================================================== |
2712 | ====================================================================== |
2665 | Parameters: |
2713 | Parameters: |
2666 | * eax = 55 - function number |
2714 | * eax = 55 - function number |
2667 | * ebx = 1 - subfunction number |
2715 | * ebx = 1 - subfunction number |
2668 | Returned value: |
2716 | Returned value: |
2669 | * function does not return value |
2717 | * function does not return value |
2670 | Remarks: |
2718 | Remarks: |
2671 | * Previously data must be loaded by subfunction 0 and |
2719 | * Previously data must be loaded by subfunction 0 and |
2672 | their format must be defined by subfunction 2. |
2720 | their format must be defined by subfunction 2. |
2673 | * Function returns control, when playing of data began; after that |
2721 | * Function returns control, when playing of data began; after that |
2674 | play goes independently from application (and does not use |
2722 | play goes independently from application (and does not use |
2675 | processor time at all). |
2723 | processor time at all). |
2676 | * Previously must be defined SB16 base port |
2724 | * Previously must be defined SB16 base port |
2677 | (by subfunction 4 of function 21) and DMA channel |
2725 | (by subfunction 4 of function 21) and DMA channel |
2678 | (by subfunction 10 of function 21). |
2726 | (by subfunction 10 of function 21). |
2679 | 2727 | ||
2680 | ====================================================================== |
2728 | ====================================================================== |
2681 | ======== Function 55, subfunction 2 - set format of SB16 data. ======= |
2729 | ======== Function 55, subfunction 2 - set format of SB16 data. ======= |
2682 | ====================================================================== |
2730 | ====================================================================== |
2683 | Parameters: |
2731 | Parameters: |
2684 | * eax = 55 - function number |
2732 | * eax = 55 - function number |
2685 | * ebx = 2 - subfunction number |
2733 | * ebx = 2 - subfunction number |
2686 | * ecx = 0 - set digit capacity |
2734 | * ecx = 0 - set digit capacity |
2687 | * edx = 1 - 8bit mono |
2735 | * edx = 1 - 8bit mono |
2688 | * edx = 2 - 8bit stereo |
2736 | * edx = 2 - 8bit stereo |
2689 | * ecx = 1 - set data size |
2737 | * ecx = 1 - set data size |
2690 | * edx = size in bytes |
2738 | * edx = size in bytes |
2691 | * ecx = 2 - set play frequency |
2739 | * ecx = 2 - set play frequency |
2692 | * edx = frequency |
2740 | * edx = frequency |
2693 | Returned value: |
2741 | Returned value: |
2694 | * function does not return value |
2742 | * function does not return value |
2695 | Remarks: |
2743 | Remarks: |
2696 | * When the system boots, it sets following default parameters: |
2744 | * When the system boots, it sets following default parameters: |
2697 | digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz. |
2745 | digit capacity - 8bit mono, size - 64 Kb, frequency - 44100 Hz. |
2698 | Nevertheless it is recommended to set necessary values obviously |
2746 | Nevertheless it is recommended to set necessary values obviously |
2699 | as they could be reset by some application. |
2747 | as they could be reset by some application. |
2700 | 2748 | ||
2701 | ====================================================================== |
2749 | ====================================================================== |
2702 | Function 55, subfunction 55 - begin to play data on built-in speaker. |
2750 | Function 55, subfunction 55 - begin to play data on built-in speaker. |
2703 | ====================================================================== |
2751 | ====================================================================== |
2704 | Parameters: |
2752 | Parameters: |
2705 | * eax = 55 - function number |
2753 | * eax = 55 - function number |
2706 | * ebx = 55 - subfunction number |
2754 | * ebx = 55 - subfunction number |
2707 | * esi = pointer to data |
2755 | * esi = pointer to data |
2708 | Returned value: |
2756 | Returned value: |
2709 | * eax = 0 - success |
2757 | * eax = 0 - success |
2710 | * eax = 55 - error (speaker is off or busy) |
2758 | * eax = 55 - error (speaker is off or busy) |
2711 | Data is an array of items with variable length. |
2759 | Data is an array of items with variable length. |
2712 | Format of each item is defined by first byte: |
2760 | Format of each item is defined by first byte: |
2713 | * 0 = end of data |
2761 | * 0 = end of data |
2714 | * 1..0x80 = sets sound duration on 1/100 of second; sound note |
2762 | * 1..0x80 = sets sound duration on 1/100 of second; sound note |
2715 | is defined by immediate value of frequency |
2763 | is defined by immediate value of frequency |
2716 | * following word (2 bytes) contains frequency divider; |
2764 | * following word (2 bytes) contains frequency divider; |
2717 | frequency is defined as 1193180/divider |
2765 | frequency is defined as 1193180/divider |
2718 | * 0x81 = invalid |
2766 | * 0x81 = invalid |
2719 | * 0x82..0xFF = note is defined by octave and number: |
2767 | * 0x82..0xFF = note is defined by octave and number: |
2720 | * duration in 1/100 of second = (first byte)-0x81 |
2768 | * duration in 1/100 of second = (first byte)-0x81 |
2721 | * there is one more byte; |
2769 | * there is one more byte; |
2722 | * (second byte)=0xFF - delay |
2770 | * (second byte)=0xFF - delay |
2723 | * otherwise it looks like a*0x10+b, where b=number of the note in |
2771 | * otherwise it looks like a*0x10+b, where b=number of the note in |
2724 | an octave from 1 to 12, a=number of octave (beginning from 0) |
2772 | an octave from 1 to 12, a=number of octave (beginning from 0) |
2725 | Remarks: |
2773 | Remarks: |
2726 | * Speaker play can be disabled/enabled by |
2774 | * Speaker play can be disabled/enabled by |
2727 | subfunction 8 of function 18. |
2775 | subfunction 8 of function 18. |
2728 | * Function returns control, having informed the system |
2776 | * Function returns control, having informed the system |
2729 | an information on request. Play itself goes independently from |
2777 | an information on request. Play itself goes independently from |
2730 | the program. |
2778 | the program. |
2731 | * The data must be kept in the memory at least up to the end |
2779 | * The data must be kept in the memory at least up to the end |
2732 | of play. |
2780 | of play. |
2733 | 2781 | ||
2734 | ====================================================================== |
2782 | ====================================================================== |
2735 | =============== Function 56 - write file to hard disk. =============== |
2783 | =============== Function 56 - write file to hard disk. =============== |
2736 | ====================================================================== |
2784 | ====================================================================== |
2737 | Parameters: |
2785 | Parameters: |
2738 | * eax = 56 - function number |
2786 | * eax = 56 - function number |
2739 | * ebx = pointer to the file name |
2787 | * ebx = pointer to the file name |
2740 | * ecx = size of data to write (in bytes) |
2788 | * ecx = size of data to write (in bytes) |
2741 | * edx = pointer to data to write |
2789 | * edx = pointer to data to write |
2742 | * esi = pointer to path (ASCIIZ-string) |
2790 | * esi = pointer to path (ASCIIZ-string) |
2743 | Returned value: |
2791 | Returned value: |
2744 | * eax = 0 - success, otherwise file system error code |
2792 | * eax = 0 - success, otherwise file system error code |
2745 | Remarks: |
2793 | Remarks: |
2746 | * This function is obsolete; function 70 allows to fulfil the same |
2794 | * This function is obsolete; function 70 allows to fulfil the same |
2747 | operations with the extended possibilities. |
2795 | operations with the extended possibilities. |
2748 | * This function assumes that during its call by one application |
2796 | * This function assumes that during its call by one application |
2749 | no other application works with hard disk. |
2797 | no other application works with hard disk. |
2750 | * The path to file is ASCIIZ-string, which may be empty |
2798 | * The path to file is ASCIIZ-string, which may be empty |
2751 | (if the file is created in the root folder) or have the format |
2799 | (if the file is created in the root folder) or have the format |
2752 | /d1/d2/.../dn, where all folder names must have the 8+3 format, |
2800 | /d1/d2/.../dn, where all folder names must have the 8+3 format, |
2753 | i.e. 8 characters of name and 3 characters of the extension |
2801 | i.e. 8 characters of name and 3 characters of the extension |
2754 | without separator, supplemented by blanks if necessary; |
2802 | without separator, supplemented by blanks if necessary; |
2755 | all letters must be capital. |
2803 | all letters must be capital. |
2756 | * The file name must also have the format 8+3. |
2804 | * The file name must also have the format 8+3. |
2757 | 2805 | ||
2758 | ====================================================================== |
2806 | ====================================================================== |
2759 | ================ Function 58 - work with file system. ================ |
2807 | ================ Function 58 - work with file system. ================ |
2760 | ====================================================================== |
2808 | ====================================================================== |
2761 | Parameters: |
2809 | Parameters: |
2762 | * eax = 58 |
2810 | * eax = 58 |
2763 | * ebx = pointer to the information structure |
2811 | * ebx = pointer to the information structure |
2764 | Returned value: |
2812 | Returned value: |
2765 | * eax = 0 - success; otherwise file system error code |
2813 | * eax = 0 - success; otherwise file system error code |
2766 | * some subfunctions return value in other registers too |
2814 | * some subfunctions return value in other registers too |
2767 | General format of the information structure: |
2815 | General format of the information structure: |
2768 | * +0: dword: subfunction number |
2816 | * +0: dword: subfunction number |
2769 | * +4: dword: number of block |
2817 | * +4: dword: number of block |
2770 | * +8: dword: size |
2818 | * +8: dword: size |
2771 | * +12 = +0xC: dword: pointer to data |
2819 | * +12 = +0xC: dword: pointer to data |
2772 | * +16 = +0x10: dword: pointer to a memory for system operations |
2820 | * +16 = +0x10: dword: pointer to a memory for system operations |
2773 | (4096 bytes) |
2821 | (4096 bytes) |
2774 | * +20 = +0x14: n db: ASCIIZ-string with the file name |
2822 | * +20 = +0x14: n db: ASCIIZ-string with the file name |
2775 | Specifications - in documentation on the appropriate subfunction. |
2823 | Specifications - in documentation on the appropriate subfunction. |
2776 | Filename is case-insensitive for latin letters, russian letters |
2824 | Filename is case-insensitive for latin letters, russian letters |
2777 | must be capital. |
2825 | must be capital. |
2778 | Format of filename: |
2826 | Format of filename: |
2779 | /base/number/dir1/dir2/.../dirn/file, |
2827 | /base/number/dir1/dir2/.../dirn/file, |
2780 | where /base/number identifies device, on which file is located: |
2828 | where /base/number identifies device, on which file is located: |
2781 | one of |
2829 | one of |
2782 | * /RD/1 = /RAMDISK/1 to access ramdisk |
2830 | * /RD/1 = /RAMDISK/1 to access ramdisk |
2783 | * /FD/1 = /FLOPPYDISK/1 to access first floppy drive, |
2831 | * /FD/1 = /FLOPPYDISK/1 to access first floppy drive, |
2784 | /FD/2 = /FLOPPYDISK/2 to access second one |
2832 | /FD/2 = /FLOPPYDISK/2 to access second one |
2785 | * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk |
2833 | * /HD/x = /HARDDISK/x - obsolete variant of access to hard disk |
2786 | (in this case base is defined by subfunction 7 of function 21), |
2834 | (in this case base is defined by subfunction 7 of function 21), |
2787 | x - partition number (beginning from 1) |
2835 | x - partition number (beginning from 1) |
2788 | * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices |
2836 | * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices |
2789 | IDE0 (Primary Master), IDE1 (Primary Slave), |
2837 | IDE0 (Primary Master), IDE1 (Primary Slave), |
2790 | IDE2 (Secondary Master), IDE3 (Secondary Slave); |
2838 | IDE2 (Secondary Master), IDE3 (Secondary Slave); |
2791 | x - partition number on the selected hard drive, varies from 1 |
2839 | x - partition number on the selected hard drive, varies from 1 |
2792 | to 255 (on each hard drive the indexing starts from 1) |
2840 | to 255 (on each hard drive the indexing starts from 1) |
2793 | Remarks: |
2841 | Remarks: |
2794 | * In the first two cases it is also possible to use FIRST |
2842 | * In the first two cases it is also possible to use FIRST |
2795 | instead of 1, SECOND instead of 2, but it is not recommended |
2843 | instead of 1, SECOND instead of 2, but it is not recommended |
2796 | for convenience of transition to the future extensions. |
2844 | for convenience of transition to the future extensions. |
2797 | * Limitation n<=39 is imposed. |
2845 | * Limitation n<=39 is imposed. |
2798 | * Names of folders and file dir1,...,dirn,file must have the |
2846 | * Names of folders and file dir1,...,dirn,file must have the |
2799 | format 8.3: name no more than 8 characters, dot, extension no |
2847 | format 8.3: name no more than 8 characters, dot, extension no |
2800 | more than 3 characters. Trailing spaces are ignored, no other |
2848 | more than 3 characters. Trailing spaces are ignored, no other |
2801 | spaces is allowed. If name occupies equally 8 characters, |
2849 | spaces is allowed. If name occupies equally 8 characters, |
2802 | dot may be omitted (though it is not recommended to use this |
2850 | dot may be omitted (though it is not recommended to use this |
2803 | feature for convenience of transition to the future extensions). |
2851 | feature for convenience of transition to the future extensions). |
2804 | * This function does not support folders on ramdisk. |
2852 | * This function does not support folders on ramdisk. |
2805 | Examples: |
2853 | Examples: |
2806 | * '/RAMDISK/FIRST/KERNEL.ASM',0 |
2854 | * '/RAMDISK/FIRST/KERNEL.ASM',0 |
2807 | '/rd/1/kernel.asm',0 |
2855 | '/rd/1/kernel.asm',0 |
2808 | * '/HD0/1/kernel.asm',0 |
2856 | * '/HD0/1/kernel.asm',0 |
2809 | * '/hd0/1/menuet/pics/tanzania.bmp',0 |
2857 | * '/hd0/1/menuet/pics/tanzania.bmp',0 |
2810 | Existing subfunctions: |
2858 | Existing subfunctions: |
2811 | * subfunction 0 - read file/folder |
2859 | * subfunction 0 - read file/folder |
2812 | * subfunction 1 - rewrite file |
2860 | * subfunction 1 - rewrite file |
2813 | * subfunction 2 - delete file/folder |
2861 | * subfunction 2 - delete file/folder |
2814 | * subfunction 3 - write to existing file |
2862 | * subfunction 3 - write to existing file |
2815 | * subfunction 4 - make folder |
2863 | * subfunction 4 - make folder |
2816 | * subfunction 5 - rename/move file/folder |
2864 | * subfunction 5 - rename/move file/folder |
2817 | * subfunction 8 - LBA-read from device |
2865 | * subfunction 8 - LBA-read from device |
2818 | * subfunction 15 - get file system information |
2866 | * subfunction 15 - get file system information |
2819 | * subfunction 16 - start application |
2867 | * subfunction 16 - start application |
2820 | 2868 | ||
2821 | ====================================================================== |
2869 | ====================================================================== |
2822 | =========== Function 58, subfunction 0 - read file/folder. =========== |
2870 | =========== Function 58, subfunction 0 - read file/folder. =========== |
2823 | ====================================================================== |
2871 | ====================================================================== |
2824 | Parameters: |
2872 | Parameters: |
2825 | * eax = 58 |
2873 | * eax = 58 |
2826 | * ebx = pointer to the information structure |
2874 | * ebx = pointer to the information structure |
2827 | Format of the information structure: |
2875 | Format of the information structure: |
2828 | * +0: dword: 0 = subfunction number |
2876 | * +0: dword: 0 = subfunction number |
2829 | * +4: dword: first block to read (beginning from 0) |
2877 | * +4: dword: first block to read (beginning from 0) |
2830 | * +8: dword: amount of blocks to read |
2878 | * +8: dword: amount of blocks to read |
2831 | * +12 = +0xC: dword: pointer to buffer for data |
2879 | * +12 = +0xC: dword: pointer to buffer for data |
2832 | * +16 = +0x10: dword: pointer to buffer for system operations |
2880 | * +16 = +0x10: dword: pointer to buffer for system operations |
2833 | (4096 bytes) |
2881 | (4096 bytes) |
2834 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2882 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2835 | given in the general description |
2883 | given in the general description |
2836 | Returned value: |
2884 | Returned value: |
2837 | * eax = 0 - success, otherwise file system error code |
2885 | * eax = 0 - success, otherwise file system error code |
2838 | * ebx = file size (in bytes) or -1=0xffffffff, if file was not found |
2886 | * ebx = file size (in bytes) or -1=0xffffffff, if file was not found |
2839 | Remarks: |
2887 | Remarks: |
2840 | * Block size is 512 bytes. |
2888 | * Block size is 512 bytes. |
2841 | * This function is obsolete, for reading files use subfunction 0 |
2889 | * This function is obsolete, for reading files use subfunction 0 |
2842 | of function 70, for reading folders - subfunction 1 of |
2890 | of function 70, for reading folders - subfunction 1 of |
2843 | function 70. |
2891 | function 70. |
2844 | * Function can read contents of a folder. Only FAT file system is |
2892 | * Function can read contents of a folder. Only FAT file system is |
2845 | supported. The format of FAT-folder is described |
2893 | supported. The format of FAT-folder is described |
2846 | in any FAT documentation. |
2894 | in any FAT documentation. |
2847 | * Size of a folder is determined by size of FAT clusters chain. |
2895 | * Size of a folder is determined by size of FAT clusters chain. |
2848 | * If file was ended before last requested block was read, |
2896 | * If file was ended before last requested block was read, |
2849 | the function will read as many as it can, and after that return |
2897 | the function will read as many as it can, and after that return |
2850 | eax=6 (EOF). |
2898 | eax=6 (EOF). |
2851 | * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but |
2899 | * Function can read root folders /rd/1,/fd/x,/hd[n]/x, but |
2852 | in the first two cases the current implementation does not follow |
2900 | in the first two cases the current implementation does not follow |
2853 | to the declared rules: |
2901 | to the declared rules: |
2854 | for /rd/1: |
2902 | for /rd/1: |
2855 | * if one want to read 0 blocks, function considers, |
2903 | * if one want to read 0 blocks, function considers, |
2856 | that he requested 1; |
2904 | that he requested 1; |
2857 | * if one requests more than 14 blocks or starting block is |
2905 | * if one requests more than 14 blocks or starting block is |
2858 | not less than 14, function returns eax=5 (not found) è ebx=-1; |
2906 | not less than 14, function returns eax=5 (not found) è ebx=-1; |
2859 | * size of ramdisk root folder is 14 blocks, |
2907 | * size of ramdisk root folder is 14 blocks, |
2860 | 0x1C00=7168 áàéò; but function returns ebx=0 |
2908 | 0x1C00=7168 áàéò; but function returns ebx=0 |
2861 | (except of the case of previous item); |
2909 | (except of the case of previous item); |
2862 | * strangely enough, it is possible to read 14th block (which |
2910 | * strangely enough, it is possible to read 14th block (which |
2863 | generally contains a garbage - I remind, the indexing begins |
2911 | generally contains a garbage - I remind, the indexing begins |
2864 | from 0); |
2912 | from 0); |
2865 | * if some block with the number not less than 14 was requested, |
2913 | * if some block with the number not less than 14 was requested, |
2866 | function returns eax=6(EOF); otherwise eax=0. |
2914 | function returns eax=6(EOF); otherwise eax=0. |
2867 | For /fd/x: |
2915 | For /fd/x: |
2868 | * if the start block is not less than 14, function returns |
2916 | * if the start block is not less than 14, function returns |
2869 | eax=5 (not found) and ebx=0; |
2917 | eax=5 (not found) and ebx=0; |
2870 | * note that format of FAT12 allows floppies with the root size |
2918 | * note that format of FAT12 allows floppies with the root size |
2871 | more or less than 14 blocks; |
2919 | more or less than 14 blocks; |
2872 | * check for length is not performed; |
2920 | * check for length is not performed; |
2873 | * if data was successful read, function returns |
2921 | * if data was successful read, function returns |
2874 | eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1. |
2922 | eax=0,ebx=0; otherwise eax=10 (access denied), ebx=-1. |
2875 | * The function handles reading of special folders /,/rd,/fd,/hd[n]; |
2923 | * The function handles reading of special folders /,/rd,/fd,/hd[n]; |
2876 | but the result does not correspond to expected (on operations with |
2924 | but the result does not correspond to expected (on operations with |
2877 | normal files/folders), does not follow the declared rules, |
2925 | normal files/folders), does not follow the declared rules, |
2878 | may be changed in future versions of the kernel and consequently |
2926 | may be changed in future versions of the kernel and consequently |
2879 | is not described. To obtain the information about the equipment |
2927 | is not described. To obtain the information about the equipment |
2880 | use subfunction 11 of function 18 or |
2928 | use subfunction 11 of function 18 or |
2881 | read corresponding folder with subfunction 1 of function 70. |
2929 | read corresponding folder with subfunction 1 of function 70. |
2882 | 2930 | ||
2883 | ====================================================================== |
2931 | ====================================================================== |
2884 | ============= Function 58, subfunction 1 - rewrite file. ============= |
2932 | ============= Function 58, subfunction 1 - rewrite file. ============= |
2885 | ====================================================================== |
2933 | ====================================================================== |
2886 | If the file does not exist, it is created. |
2934 | If the file does not exist, it is created. |
2887 | If the file exists, it is rewritten. |
2935 | If the file exists, it is rewritten. |
2888 | Parameters: |
2936 | Parameters: |
2889 | * eax = 58 - function number |
2937 | * eax = 58 - function number |
2890 | * ebx = pointer to the information structure |
2938 | * ebx = pointer to the information structure |
2891 | Format of the information structure: |
2939 | Format of the information structure: |
2892 | * +0: dword: 1 = subfunction number |
2940 | * +0: dword: 1 = subfunction number |
2893 | * +4: dword: ignored (set to 0) |
2941 | * +4: dword: ignored (set to 0) |
2894 | * +8: dword: number of bytes to write |
2942 | * +8: dword: number of bytes to write |
2895 | * +12 = +0xC: dword: pointer to data to write |
2943 | * +12 = +0xC: dword: pointer to data to write |
2896 | * +16 = +0x10: dword: pointer to buffer for system operations |
2944 | * +16 = +0x10: dword: pointer to buffer for system operations |
2897 | (4096 bytes) |
2945 | (4096 bytes) |
2898 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2946 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2899 | given in the general description |
2947 | given in the general description |
2900 | Returned value: |
2948 | Returned value: |
2901 | * eax = 0 - success, otherwise file system error code |
2949 | * eax = 0 - success, otherwise file system error code |
2902 | * ebx destroyed |
2950 | * ebx destroyed |
2903 | Remarks: |
2951 | Remarks: |
2904 | * This function is obsolete, use subfunction 2 of function 70. |
2952 | * This function is obsolete, use subfunction 2 of function 70. |
2905 | 2953 | ||
2906 | ====================================================================== |
2954 | ====================================================================== |
2907 | ========== Function 58, subfunction 2 - delete file/folder. ========== |
2955 | ========== Function 58, subfunction 2 - delete file/folder. ========== |
2908 | ====================================================================== |
2956 | ====================================================================== |
2909 | Parameters: |
2957 | Parameters: |
2910 | * eax = 58 - function number |
2958 | * eax = 58 - function number |
2911 | * ebx = pointer to the information structure |
2959 | * ebx = pointer to the information structure |
2912 | Format of the information structure: |
2960 | Format of the information structure: |
2913 | * +0: dword: 2 = subfunction number |
2961 | * +0: dword: 2 = subfunction number |
2914 | * +4: dword: ignored |
2962 | * +4: dword: ignored |
2915 | * +8: dword: ignored |
2963 | * +8: dword: ignored |
2916 | * +12 = +0xC: dword: ignored |
2964 | * +12 = +0xC: dword: ignored |
2917 | * +16 = +0x10: dword: pointer to buffer for system operations |
2965 | * +16 = +0x10: dword: pointer to buffer for system operations |
2918 | (4096 bytes) |
2966 | (4096 bytes) |
2919 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2967 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2920 | given in the general description |
2968 | given in the general description |
2921 | Returned value: |
2969 | Returned value: |
2922 | * eax = 0 - success, otherwise file system error code |
2970 | * eax = 0 - success, otherwise file system error code |
2923 | * ebx destroyed |
2971 | * ebx destroyed |
2924 | Remarks: |
2972 | Remarks: |
2925 | * By operations with a floppy one should not delete not empty |
2973 | * By operations with a floppy one should not delete not empty |
2926 | folder. The code working with hard disk deletes not empty folders |
2974 | folder. The code working with hard disk deletes not empty folders |
2927 | correctly (i.e. recursively with all files and nested folders). |
2975 | correctly (i.e. recursively with all files and nested folders). |
2928 | Function 58 does not support folders on ramdisk. |
2976 | Function 58 does not support folders on ramdisk. |
2929 | 2977 | ||
2930 | ====================================================================== |
2978 | ====================================================================== |
2931 | ==== Function 58, subfunction 3 - write data to the existing file. === |
2979 | ==== Function 58, subfunction 3 - write data to the existing file. === |
2932 | ====================================================================== |
2980 | ====================================================================== |
2933 | Parameters: |
2981 | Parameters: |
2934 | * eax = 58 - function number |
2982 | * eax = 58 - function number |
2935 | * ebx = pointer to the information structure |
2983 | * ebx = pointer to the information structure |
2936 | Format of the information structure: |
2984 | Format of the information structure: |
2937 | * +0: dword: 3 = subfunction number |
2985 | * +0: dword: 3 = subfunction number |
2938 | * +4: dword: starting position in the file; -1 = append to the end |
2986 | * +4: dword: starting position in the file; -1 = append to the end |
2939 | * +8: dword: number of bytes to write |
2987 | * +8: dword: number of bytes to write |
2940 | * +12 = +0xC: dword: pointer to data to write |
2988 | * +12 = +0xC: dword: pointer to data to write |
2941 | * +16 = +0x10: dword: pointer to buffer for system operations |
2989 | * +16 = +0x10: dword: pointer to buffer for system operations |
2942 | (4096 bytes) |
2990 | (4096 bytes) |
2943 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2991 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2944 | given in the general description |
2992 | given in the general description |
2945 | Returned value: |
2993 | Returned value: |
2946 | * eax = 0 - success, otherwise file system error code |
2994 | * eax = 0 - success, otherwise file system error code |
2947 | * ebx destroyed |
2995 | * ebx destroyed |
2948 | Remarks: |
2996 | Remarks: |
2949 | * Ramdisk and floppies do not support this function, it is only |
2997 | * Ramdisk and floppies do not support this function, it is only |
2950 | for hard disks. |
2998 | for hard disks. |
2951 | * File must already exist (otherwise function returns 5, not found). |
2999 | * File must already exist (otherwise function returns 5, not found). |
2952 | To create files use subfunction 1. |
3000 | To create files use subfunction 1. |
2953 | * If the starting position is greater than file size, the function |
3001 | * If the starting position is greater than file size, the function |
2954 | returns eax=6(EOF). If the end position is greater than file size, |
3002 | returns eax=6(EOF). If the end position is greater than file size, |
2955 | file is extended. |
3003 | file is extended. |
2956 | * The code of write processing for hard disk interpretes zero |
3004 | * The code of write processing for hard disk interpretes zero |
2957 | value of the field +8 as the instruction to truncate the file to |
3005 | value of the field +8 as the instruction to truncate the file to |
2958 | the size, given in the field +4. However the code of processing |
3006 | the size, given in the field +4. However the code of processing |
2959 | 58th function blocks this possibility for applications by |
3007 | 58th function blocks this possibility for applications by |
2960 | immediate return (with eax=0) in the case of zero size. |
3008 | immediate return (with eax=0) in the case of zero size. |
2961 | 3009 | ||
2962 | ====================================================================== |
3010 | ====================================================================== |
2963 | ============== Function 58, subfunction 4 - make folder. ============= |
3011 | ============== Function 58, subfunction 4 - make folder. ============= |
2964 | ====================================================================== |
3012 | ====================================================================== |
2965 | Parameters: |
3013 | Parameters: |
2966 | * eax = 58 - function number |
3014 | * eax = 58 - function number |
2967 | * ebx = pointer to the information structure |
3015 | * ebx = pointer to the information structure |
2968 | Format of the information structure: |
3016 | Format of the information structure: |
2969 | * +0: dword: 4 = subfunction number |
3017 | * +0: dword: 4 = subfunction number |
2970 | * +4: dword: ignored |
3018 | * +4: dword: ignored |
2971 | * +8: dword: ignored |
3019 | * +8: dword: ignored |
2972 | * +12 = +0xC: dword: ignored |
3020 | * +12 = +0xC: dword: ignored |
2973 | * +16 = +0x10: dword: pointer to buffer for system operations |
3021 | * +16 = +0x10: dword: pointer to buffer for system operations |
2974 | (4096 bytes) |
3022 | (4096 bytes) |
2975 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
3023 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2976 | given in the general description |
3024 | given in the general description |
2977 | Returned value: |
3025 | Returned value: |
2978 | * eax = 0 - success, otherwise file system error code |
3026 | * eax = 0 - success, otherwise file system error code |
2979 | * ebx destroyed |
3027 | * ebx destroyed |
2980 | Remarks: |
3028 | Remarks: |
2981 | * Ramdisk and floppies do not support this function, it is only |
3029 | * Ramdisk and floppies do not support this function, it is only |
2982 | for hard disks. |
3030 | for hard disks. |
2983 | 3031 | ||
2984 | ====================================================================== |
3032 | ====================================================================== |
2985 | ======== Function 58, subfunction 5 - rename/move file/folder. ======= |
3033 | ======== Function 58, subfunction 5 - rename/move file/folder. ======= |
2986 | ====================================================================== |
3034 | ====================================================================== |
2987 | Parameters: |
3035 | Parameters: |
2988 | * eax = 58 - function number |
3036 | * eax = 58 - function number |
2989 | * ebx = pointer to the information structure |
3037 | * ebx = pointer to the information structure |
2990 | Format of the information structure: |
3038 | Format of the information structure: |
2991 | * +0: dword: 5 = subfunction number |
3039 | * +0: dword: 5 = subfunction number |
2992 | * +4: dword: ignored |
3040 | * +4: dword: ignored |
2993 | * +8: dword: ignored |
3041 | * +8: dword: ignored |
2994 | * +12 = +0xC: dword: ignored |
3042 | * +12 = +0xC: dword: ignored |
2995 | * +16 = +0x10: dword: pointer to buffer for system operations |
3043 | * +16 = +0x10: dword: pointer to buffer for system operations |
2996 | (4096 bytes) |
3044 | (4096 bytes) |
2997 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
3045 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
2998 | given in the general description |
3046 | given in the general description |
2999 | * +20+n: (at once after terminating null character) new |
3047 | * +20+n: (at once after terminating null character) new |
3000 | ASCIIZ-name, must start from /hd/1, that is interpreted as |
3048 | ASCIIZ-name, must start from /hd/1, that is interpreted as |
3001 | the hard disk, indicated in the first name |
3049 | the hard disk, indicated in the first name |
3002 | (moving from one disk to another is not supported) |
3050 | (moving from one disk to another is not supported) |
3003 | Returned value: |
3051 | Returned value: |
3004 | * eax = 0 - success, otherwise file system error code |
3052 | * eax = 0 - success, otherwise file system error code |
3005 | * ebx destroyed |
3053 | * ebx destroyed |
3006 | Remarks: |
3054 | Remarks: |
3007 | * Ramdisk and floppies do not support this function, it is only |
3055 | * Ramdisk and floppies do not support this function, it is only |
3008 | for hard disks. |
3056 | for hard disks. |
3009 | * If the new ASCIIZ-name is strongly incorrect, i.e. does not start |
3057 | * If the new ASCIIZ-name is strongly incorrect, i.e. does not start |
3010 | from /hd/1, /hd/first, /harddisk/1, /harddisk/first or after this |
3058 | from /hd/1, /hd/first, /harddisk/1, /harddisk/first or after this |
3011 | space or null character follows, function returns, strangely |
3059 | space or null character follows, function returns, strangely |
3012 | enough, error code 4. It is the only function which returns |
3060 | enough, error code 4. It is the only function which returns |
3013 | this code. |
3061 | this code. |
3014 | 3062 | ||
3015 | ====================================================================== |
3063 | ====================================================================== |
3016 | ========= Function 58, subfunction 8 - LBA-read from device. ========= |
3064 | ========= Function 58, subfunction 8 - LBA-read from device. ========= |
3017 | ====================================================================== |
3065 | ====================================================================== |
3018 | Parameters: |
3066 | Parameters: |
3019 | * eax = 58 - function number |
3067 | * eax = 58 - function number |
3020 | * ebx = pointer to the information structure |
3068 | * ebx = pointer to the information structure |
3021 | Format of the information structure: |
3069 | Format of the information structure: |
3022 | * +0: dword: 8 = subfunction number |
3070 | * +0: dword: 8 = subfunction number |
3023 | * +4: dword: number of block to read (beginning from 0) |
3071 | * +4: dword: number of block to read (beginning from 0) |
3024 | * +8: dword: ignored (set to 1) |
3072 | * +8: dword: ignored (set to 1) |
3025 | * +12 = +0xC: dword: pointer to buffer for data (512 bytes) |
3073 | * +12 = +0xC: dword: pointer to buffer for data (512 bytes) |
3026 | * +16 = +0x10: dword: pointer to buffer for system operations |
3074 | * +16 = +0x10: dword: pointer to buffer for system operations |
3027 | (4096 bytes) |
3075 | (4096 bytes) |
3028 | * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of |
3076 | * +20 = +0x14: ASCIIZ-name of device: case-insensitive, one of |
3029 | /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n, |
3077 | /rd/1 = /RamDisk/1, /hd/n = /HardDisk/n, |
3030 | 1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3. |
3078 | 1<=n<=4 - number of device: 1=IDE0, ..., 4=IDE3. |
3031 | Instead of digits it is allowed, though not recommended for |
3079 | Instead of digits it is allowed, though not recommended for |
3032 | convenience of transition to future extensions, to use |
3080 | convenience of transition to future extensions, to use |
3033 | 'first','second','third','fourth'. |
3081 | 'first','second','third','fourth'. |
3034 | Returned value: |
3082 | Returned value: |
3035 | * for device name /hd/xxx, where xxx is not in the list above: |
3083 | * for device name /hd/xxx, where xxx is not in the list above: |
3036 | * eax = ebx = 1 |
3084 | * eax = ebx = 1 |
3037 | * for invalid device name (except for the previous case): |
3085 | * for invalid device name (except for the previous case): |
3038 | * eax = 5 |
3086 | * eax = 5 |
3039 | * ebx does not change |
3087 | * ebx does not change |
3040 | * if LBA-access is disabled by subfunction 11 of function 21: |
3088 | * if LBA-access is disabled by subfunction 11 of function 21: |
3041 | * eax = 2 |
3089 | * eax = 2 |
3042 | * ebx destroyed |
3090 | * ebx destroyed |
3043 | * for ramdisk: attempt to read block outside ramdisk |
3091 | * for ramdisk: attempt to read block outside ramdisk |
3044 | (18*2*80 blocks) results in |
3092 | (18*2*80 blocks) results in |
3045 | * eax = 3 |
3093 | * eax = 3 |
3046 | * ebx = 0 |
3094 | * ebx = 0 |
3047 | * for successful read: |
3095 | * for successful read: |
3048 | * eax = ebx = 0 |
3096 | * eax = ebx = 0 |
3049 | Remarks: |
3097 | Remarks: |
3050 | * Block size is 512 bytes; function reads one block. |
3098 | * Block size is 512 bytes; function reads one block. |
3051 | * Do not depend on returned value, it can be changed |
3099 | * Do not depend on returned value, it can be changed |
3052 | in future versions. |
3100 | in future versions. |
3053 | * Function requires that LBA-access to devices is enabled by |
3101 | * Function requires that LBA-access to devices is enabled by |
3054 | subfunction 11 of function 21. To check this one can use |
3102 | subfunction 11 of function 21. To check this one can use |
3055 | subfunction 11 of function 26. |
3103 | subfunction 11 of function 26. |
3056 | * LBA-read of floppy is not supported. |
3104 | * LBA-read of floppy is not supported. |
3057 | * Function reads data on physical hard drive; if for any reason |
3105 | * Function reads data on physical hard drive; if for any reason |
3058 | data of the concrete partition are required, application must |
3106 | data of the concrete partition are required, application must |
3059 | define starting sector of this partition (either directly |
3107 | define starting sector of this partition (either directly |
3060 | through MBR, or from the full structure returned by |
3108 | through MBR, or from the full structure returned by |
3061 | ïîäôóíêöèåé 11 ôóíêöèè 18). |
3109 | ïîäôóíêöèåé 11 ôóíêöèè 18). |
3062 | * Function does not check error code of hard disk, so request of |
3110 | * Function does not check error code of hard disk, so request of |
3063 | nonexisting sector reads something (most probably it will be |
3111 | nonexisting sector reads something (most probably it will be |
3064 | zeroes, but this is defined by device) and this is considered |
3112 | zeroes, but this is defined by device) and this is considered |
3065 | as success (eax=0). |
3113 | as success (eax=0). |
3066 | 3114 | ||
3067 | ====================================================================== |
3115 | ====================================================================== |
3068 | ==== Function 58, subfunction 15 - get information on file system. === |
3116 | ==== Function 58, subfunction 15 - get information on file system. === |
3069 | ====================================================================== |
3117 | ====================================================================== |
3070 | Parameters: |
3118 | Parameters: |
3071 | * eax = 58 - function number |
3119 | * eax = 58 - function number |
3072 | * ebx = pointer to the information structure |
3120 | * ebx = pointer to the information structure |
3073 | Format of the information structure: |
3121 | Format of the information structure: |
3074 | * +0: dword: 15 = subfunction number |
3122 | * +0: dword: 15 = subfunction number |
3075 | * +4: dword: ignored |
3123 | * +4: dword: ignored |
3076 | * +8: dword: ignored |
3124 | * +8: dword: ignored |
3077 | * +12 = +0xC: dword: ignored |
3125 | * +12 = +0xC: dword: ignored |
3078 | * +16 = +0x10: dword: ignored |
3126 | * +16 = +0x10: dword: ignored |
3079 | * +20 = +0x14: (only second character is checked) |
3127 | * +20 = +0x14: (only second character is checked) |
3080 | /rd=/RAMDISK or /hd=/HARDDISK |
3128 | /rd=/RAMDISK or /hd=/HARDDISK |
3081 | Returned value: |
3129 | Returned value: |
3082 | * if the second character does not belong to set {'r','R','h','H'}: |
3130 | * if the second character does not belong to set {'r','R','h','H'}: |
3083 | * eax = 3 |
3131 | * eax = 3 |
3084 | * ebx = ecx = dword [fileinfo] = 0 |
3132 | * ebx = ecx = dword [fileinfo] = 0 |
3085 | * for ramdisk: |
3133 | * for ramdisk: |
3086 | * eax = 0 (success) |
3134 | * eax = 0 (success) |
3087 | * ebx = total number of clusters = 2847 |
3135 | * ebx = total number of clusters = 2847 |
3088 | * ecx = number of free clusters |
3136 | * ecx = number of free clusters |
3089 | * dword [fileinfo] = cluster size = 512 |
3137 | * dword [fileinfo] = cluster size = 512 |
3090 | * for hard disk: base and partition are defined by subfunctions |
3138 | * for hard disk: base and partition are defined by subfunctions |
3091 | 7 and 8 of function 21: |
3139 | 7 and 8 of function 21: |
3092 | * eax = 0 (success) |
3140 | * eax = 0 (success) |
3093 | * ebx = total number of clusters |
3141 | * ebx = total number of clusters |
3094 | * ecx = number of free clusters |
3142 | * ecx = number of free clusters |
3095 | * dword [fileinfo] = cluster size (in bytes) |
3143 | * dword [fileinfo] = cluster size (in bytes) |
3096 | Remarks: |
3144 | Remarks: |
3097 | * Be not surprised to strange layout of 4th returned parameter |
3145 | * Be not surprised to strange layout of 4th returned parameter |
3098 | - when this code was writing, at system calls application got |
3146 | - when this code was writing, at system calls application got |
3099 | only registers eax,ebx,ecx (from pushad-structure transmitted |
3147 | only registers eax,ebx,ecx (from pushad-structure transmitted |
3100 | as argument to the system function). Now it is corrected, so, |
3148 | as argument to the system function). Now it is corrected, so, |
3101 | probably, it is meaningful to return cluster size in edx, while |
3149 | probably, it is meaningful to return cluster size in edx, while |
3102 | this function is not used yet. |
3150 | this function is not used yet. |
3103 | * There exists also subfunction 11 of function 18, |
3151 | * There exists also subfunction 11 of function 18, |
3104 | which returns information on file system. From the full table |
3152 | which returns information on file system. From the full table |
3105 | of disk subsystem it is possible to deduce cluster size (there |
3153 | of disk subsystem it is possible to deduce cluster size (there |
3106 | it is stored in sectors) and total number of clusters |
3154 | it is stored in sectors) and total number of clusters |
3107 | for hard disks. |
3155 | for hard disks. |
3108 | 3156 | ||
3109 | ====================================================================== |
3157 | ====================================================================== |
3110 | ========== Function 58, subfunction 16 - start application. ========== |
3158 | ========== Function 58, subfunction 16 - start application. ========== |
3111 | ====================================================================== |
3159 | ====================================================================== |
3112 | Parameters: |
3160 | Parameters: |
3113 | * eax = 58 - function number |
3161 | * eax = 58 - function number |
3114 | * ebx = pointer to the information structure |
3162 | * ebx = pointer to the information structure |
3115 | Format of the information structure: |
3163 | Format of the information structure: |
3116 | * +0: dword: 16 = subfunction number |
3164 | * +0: dword: 16 = subfunction number |
3117 | * +4: dword: flags: |
3165 | * +4: dword: flags: |
3118 | * bit 0: start the process as debugged |
3166 | * bit 0: start the process as debugged |
3119 | * other bits are reserved and must be cleared |
3167 | * other bits are reserved and must be cleared |
3120 | * +8: dword: 0 or pointer to ASCIIZ-string with parameters |
3168 | * +8: dword: 0 or pointer to ASCIIZ-string with parameters |
3121 | * +12 = +0xC: dword: ignored |
3169 | * +12 = +0xC: dword: ignored |
3122 | * +16 = +0x10: dword: pointer to buffer for system operations |
3170 | * +16 = +0x10: dword: pointer to buffer for system operations |
3123 | (4096 bytes) |
3171 | (4096 bytes) |
3124 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
3172 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
3125 | given in the general description |
3173 | given in the general description |
3126 | Returned value: |
3174 | Returned value: |
3127 | * eax > 0 - the program is loaded, eax contains PID |
3175 | * eax > 0 - the program is loaded, eax contains PID |
3128 | * eax < 0 - an error has occured, -eax contains |
3176 | * eax < 0 - an error has occured, -eax contains |
3129 | file system error code |
3177 | file system error code |
3130 | Remarks: |
3178 | Remarks: |
3131 | * This function is obsolete, use subfunction 7 of function 70. |
3179 | * This function is obsolete, use subfunction 7 of function 70. |
3132 | * Command line must be terminated by character with code 0 |
3180 | * Command line must be terminated by character with code 0 |
3133 | (ASCIIZ-string); function takes into account either all characters |
3181 | (ASCIIZ-string); function takes into account either all characters |
3134 | up to terminating null inclusively or the first 256 charachters |
3182 | up to terminating null inclusively or the first 256 charachters |
3135 | depending on what is less. |
3183 | depending on what is less. |
3136 | * If the process is started as debugged, it is created in |
3184 | * If the process is started as debugged, it is created in |
3137 | the suspended state; to run use subfunction 5 of function 69. |
3185 | the suspended state; to run use subfunction 5 of function 69. |
3138 | 3186 | ||
3139 | ====================================================================== |
3187 | ====================================================================== |
3140 | =============== Function 59 - trace last system calls. =============== |
3188 | =============== Function 59 - trace last system calls. =============== |
3141 | ====================================================================== |
3189 | ====================================================================== |
3142 | Gets data on all system calls of all processes. |
3190 | Gets data on all system calls of all processes. |
3143 | Parameters: |
3191 | Parameters: |
3144 | * eax = 59 - function number |
3192 | * eax = 59 - function number |
3145 | * ebx = 0 - unique subfunction |
3193 | * ebx = 0 - unique subfunction |
3146 | * ecx = pointer to the buffer |
3194 | * ecx = pointer to the buffer |
3147 | * edx = size of the buffer |
3195 | * edx = size of the buffer |
3148 | Returned value: |
3196 | Returned value: |
3149 | * eax = total number of system calls made from system boot |
3197 | * eax = total number of system calls made from system boot |
3150 | (modulo 2^32) |
3198 | (modulo 2^32) |
3151 | * ebx = 0 |
3199 | * ebx = 0 |
3152 | Format of information on one call: (size = 0x40 = 64 bytes) |
3200 | Format of information on one call: (size = 0x40 = 64 bytes) |
3153 | * +0: dword: PID of process/thread |
3201 | * +0: dword: PID of process/thread |
3154 | * +4: 7*dword: garbage |
3202 | * +4: 7*dword: garbage |
3155 | * +32 = +0x20: dword: value of edi at the call |
3203 | * +32 = +0x20: dword: value of edi at the call |
3156 | * +36 = +0x24: dword: esi |
3204 | * +36 = +0x24: dword: esi |
3157 | * +40 = +0x28: dword: ebp |
3205 | * +40 = +0x28: dword: ebp |
3158 | * +44 = +0x2C: dword: stack pointer of the kernel handler |
3206 | * +44 = +0x2C: dword: stack pointer of the kernel handler |
3159 | * +48 = +0x30: dword: ebx |
3207 | * +48 = +0x30: dword: ebx |
3160 | * +52 = +0x34: dword: edx |
3208 | * +52 = +0x34: dword: edx |
3161 | * +56 = +0x38: dword: ecx |
3209 | * +56 = +0x38: dword: ecx |
3162 | * +60 = +0x3C: dword: eax (=number of system function) |
3210 | * +60 = +0x3C: dword: eax (=number of system function) |
3163 | Remarks: |
3211 | Remarks: |
3164 | * The function is used only in the application 'systrace'. |
3212 | * The function is used only in the application 'systrace'. |
3165 | It is rather difficult to imagine a situation, in which |
3213 | It is rather difficult to imagine a situation, in which |
3166 | this application or this function are really useful; |
3214 | this application or this function are really useful; |
3167 | and all system calls for support of this function are a little |
3215 | and all system calls for support of this function are a little |
3168 | decelerated (though not strongly)... |
3216 | decelerated (though not strongly)... |
3169 | * So there is a proposition to delete from the kernel |
3217 | * So there is a proposition to delete from the kernel |
3170 | support of this function, together with application 'systrace'. |
3218 | support of this function, together with application 'systrace'. |
3171 | * The information on system calls saves in the system |
3219 | * The information on system calls saves in the system |
3172 | ring buffer with 0x10 entries. |
3220 | ring buffer with 0x10 entries. |
3173 | This function simply copies the given size of data |
3221 | This function simply copies the given size of data |
3174 | from this buffer to the given address. |
3222 | from this buffer to the given address. |
3175 | * One can determine, which entry in the buffer corresponds to |
3223 | * One can determine, which entry in the buffer corresponds to |
3176 | last system call, by value of eax, namely, it is the entry |
3224 | last system call, by value of eax, namely, it is the entry |
3177 | (eax and 0xF) (at offset (eax and 0xF)*0x40). |
3225 | (eax and 0xF) (at offset (eax and 0xF)*0x40). |
3178 | * In the current implementation there can be the seldom |
3226 | * In the current implementation there can be the seldom |
3179 | meeting problems of unsynchronization, when the information |
3227 | meeting problems of unsynchronization, when the information |
3180 | on some calls becomes outdated. |
3228 | on some calls becomes outdated. |
3181 | * Under the system buffer one page, 4Kb, is allocated. |
3229 | * Under the system buffer one page, 4Kb, is allocated. |
3182 | Size of an entry = 64 bytes. Why only 16 entries are used, |
3230 | Size of an entry = 64 bytes. Why only 16 entries are used, |
3183 | is not clearly. |
3231 | is not clearly. |
3184 | * The value of esp at the moment of system call cannot |
3232 | * The value of esp at the moment of system call cannot |
3185 | be determined by this function. |
3233 | be determined by this function. |
3186 | * The current implementation does not check edx for correctness. |
3234 | * The current implementation does not check edx for correctness. |
3187 | 3235 | ||
3188 | ====================================================================== |
3236 | ====================================================================== |
3189 | ========== Function 60 - Inter Process Communication (IPC). ========== |
3237 | ========== Function 60 - Inter Process Communication (IPC). ========== |
3190 | ====================================================================== |
3238 | ====================================================================== |
3191 | IPC is used for message dispatching from one process/thread to |
3239 | IPC is used for message dispatching from one process/thread to |
3192 | another. Previously it is necessary to agree how to interpret |
3240 | another. Previously it is necessary to agree how to interpret |
3193 | the concrete message. |
3241 | the concrete message. |
3194 | 3242 | ||
3195 | ----------- Subfunction 1 - set the area for IPC receiving ----------- |
3243 | ----------- Subfunction 1 - set the area for IPC receiving ----------- |
3196 | Is called by process-receiver. |
3244 | Is called by process-receiver. |
3197 | Parameters: |
3245 | Parameters: |
3198 | * eax = 60 - function number |
3246 | * eax = 60 - function number |
3199 | * ebx = 1 - subfunction number |
3247 | * ebx = 1 - subfunction number |
3200 | * ecx = pointer to the buffer |
3248 | * ecx = pointer to the buffer |
3201 | * edx = size of the buffer |
3249 | * edx = size of the buffer |
3202 | Returned value: |
3250 | Returned value: |
3203 | * eax = 0 - always success |
3251 | * eax = 0 - always success |
3204 | Format of IPC-buffer: |
3252 | Format of IPC-buffer: |
3205 | * +0: dword: if nonzero, buffer is considered locked; |
3253 | * +0: dword: if nonzero, buffer is considered locked; |
3206 | lock/unlock the buffer, when you work with it and need that |
3254 | lock/unlock the buffer, when you work with it and need that |
3207 | buffer data are not changed from outside (no new messages) |
3255 | buffer data are not changed from outside (no new messages) |
3208 | * +4: dword: occupied place in the buffer (in bytes) |
3256 | * +4: dword: occupied place in the buffer (in bytes) |
3209 | * +8: first message |
3257 | * +8: first message |
3210 | * +8+n: second message |
3258 | * +8+n: second message |
3211 | * ... |
3259 | * ... |
3212 | Format of a message: |
3260 | Format of a message: |
3213 | * +0: dword: PID of sender |
3261 | * +0: dword: PID of sender |
3214 | * +4: dword: message length (not including this header) |
3262 | * +4: dword: message length (not including this header) |
3215 | * +8: n*byte: message data |
3263 | * +8: n*byte: message data |
3216 | 3264 | ||
3217 | ------------------ Subfunction 2 - send IPC message ------------------ |
3265 | ------------------ Subfunction 2 - send IPC message ------------------ |
3218 | Is called by process-sender. |
3266 | Is called by process-sender. |
3219 | Parameters: |
3267 | Parameters: |
3220 | * eax = 60 - function number |
3268 | * eax = 60 - function number |
3221 | * ebx = 2 - subfunction number |
3269 | * ebx = 2 - subfunction number |
3222 | * ecx = PID of receiver |
3270 | * ecx = PID of receiver |
3223 | * edx = pointer to the message data |
3271 | * edx = pointer to the message data |
3224 | * esi = message length (in bytes) |
3272 | * esi = message length (in bytes) |
3225 | Returned value: |
3273 | Returned value: |
3226 | * eax = 0 - success |
3274 | * eax = 0 - success |
3227 | * eax = 1 - the receiver has not defined buffer for IPC messages |
3275 | * eax = 1 - the receiver has not defined buffer for IPC messages |
3228 | (can be, still have no time, |
3276 | (can be, still have no time, |
3229 | and can be, this is not right process) |
3277 | and can be, this is not right process) |
3230 | * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit |
3278 | * eax = 2 - the receiver has blocked IPC-buffer; try to wait a bit |
3231 | * eax = 3 - overflow of IPC-buffer of the receiver |
3279 | * eax = 3 - overflow of IPC-buffer of the receiver |
3232 | * eax = 4 - process/thread with such PID does not exist |
3280 | * eax = 4 - process/thread with such PID does not exist |
3233 | Remarks: |
3281 | Remarks: |
3234 | * Immediately after writing of IPC-message to the buffer the system |
3282 | * Immediately after writing of IPC-message to the buffer the system |
3235 | sends to the receiver the event with code 7 (see event codes). |
3283 | sends to the receiver the event with code 7 (see event codes). |
3236 | 3284 | ||
3237 | ====================================================================== |
3285 | ====================================================================== |
3238 | ==== Function 61 - get parameters for the direct graphics access. ==== |
3286 | ==== Function 61 - get parameters for the direct graphics access. ==== |
3239 | ====================================================================== |
3287 | ====================================================================== |
3240 | The data of the graphics screen (the memory area which displays |
3288 | The data of the graphics screen (the memory area which displays |
3241 | screen contents) are accessible to a program directly, without |
3289 | screen contents) are accessible to a program directly, without |
3242 | any system calls, through the selector gs: |
3290 | any system calls, through the selector gs: |
3243 | mov eax, [gs:0] |
3291 | mov eax, [gs:0] |
3244 | places in eax the first dword of the buffer, which contains |
3292 | places in eax the first dword of the buffer, which contains |
3245 | information on color of the left upper point (and, possibly, colors |
3293 | information on color of the left upper point (and, possibly, colors |
3246 | of several following). |
3294 | of several following). |
3247 | mov [gs:0], eax |
3295 | mov [gs:0], eax |
3248 | by work in VESA modes with LFB sets color of the left upper point |
3296 | by work in VESA modes with LFB sets color of the left upper point |
3249 | (and, possibly, colors of several following). |
3297 | (and, possibly, colors of several following). |
3250 | To interpret the data of graphics screen program needs to know |
3298 | To interpret the data of graphics screen program needs to know |
3251 | some parameters, returning by this function. |
3299 | some parameters, returning by this function. |
3252 | Remarks: |
3300 | Remarks: |
3253 | * Graphics parameters changes very seldom at work, |
3301 | * Graphics parameters changes very seldom at work, |
3254 | namely, only in cases, when user works with the application VRR. |
3302 | namely, only in cases, when user works with the application VRR. |
3255 | * At videomode change the system redraws all windows (event |
3303 | * At videomode change the system redraws all windows (event |
3256 | with code 1) and redraws the background (event 5). |
3304 | with code 1) and redraws the background (event 5). |
3257 | Same events occur in other cases too, which meet much more often, |
3305 | Same events occur in other cases too, which meet much more often, |
3258 | than videomode change. |
3306 | than videomode change. |
3259 | * By operation in videomodes with LFB the selector gs points to |
3307 | * By operation in videomodes with LFB the selector gs points to |
3260 | LFB itself, so reading/writing on gs result directly in |
3308 | LFB itself, so reading/writing on gs result directly in |
3261 | change of screen contents. By operation in videomodes without |
3309 | change of screen contents. By operation in videomodes without |
3262 | LFB gs points to some data area in the kernel, and all functions |
3310 | LFB gs points to some data area in the kernel, and all functions |
3263 | of screen output fulfil honesty double operation on writing |
3311 | of screen output fulfil honesty double operation on writing |
3264 | directly to the screen and writing to this buffer. In result |
3312 | directly to the screen and writing to this buffer. In result |
3265 | at reading contents of this buffer the results correspond to |
3313 | at reading contents of this buffer the results correspond to |
3266 | screen contents (with, generally speaking, large color |
3314 | screen contents (with, generally speaking, large color |
3267 | resolution), and writing is ignored. |
3315 | resolution), and writing is ignored. |
3268 | One exception is the mode 320*200, for which main loop of the |
3316 | One exception is the mode 320*200, for which main loop of the |
3269 | system thread updates the screen according to mouse movements. |
3317 | system thread updates the screen according to mouse movements. |
3270 | 3318 | ||
3271 | ------------------------- Screen resolution -------------------------- |
3319 | ------------------------- Screen resolution -------------------------- |
3272 | Parameters: |
3320 | Parameters: |
3273 | * eax = 61 - function number |
3321 | * eax = 61 - function number |
3274 | * ebx = 1 - subfunction number |
3322 | * ebx = 1 - subfunction number |
3275 | Returned value: |
3323 | Returned value: |
3276 | * eax = [resolution on x axis]*65536 + [resolution on y axis] |
3324 | * eax = [resolution on x axis]*65536 + [resolution on y axis] |
3277 | Remarks: |
3325 | Remarks: |
3278 | * One can use function 14 paying attention that |
3326 | * One can use function 14 paying attention that |
3279 | it returns sizes on 1 pixel less. It is fully equivalent way. |
3327 | it returns sizes on 1 pixel less. It is fully equivalent way. |
3280 | 3328 | ||
3281 | ---------------------- Number of bits per pixel ---------------------- |
3329 | ---------------------- Number of bits per pixel ---------------------- |
3282 | Parameters: |
3330 | Parameters: |
3283 | * eax = 61 - function number |
3331 | * eax = 61 - function number |
3284 | * ebx = 2 - subfunction number |
3332 | * ebx = 2 - subfunction number |
3285 | Returned value: |
3333 | Returned value: |
3286 | * eax = number of bits per pixel (24 or 32) |
3334 | * eax = number of bits per pixel (24 or 32) |
3287 | 3335 | ||
3288 | -------------------- Number of bytes per scanline -------------------- |
3336 | -------------------- Number of bytes per scanline -------------------- |
3289 | Parameters: |
3337 | Parameters: |
3290 | * eax = 61 - function number |
3338 | * eax = 61 - function number |
3291 | * ebx = 3 - subfunction number |
3339 | * ebx = 3 - subfunction number |
3292 | Returned value: |
3340 | Returned value: |
3293 | * eax = number of bytes occupied by one scanline |
3341 | * eax = number of bytes occupied by one scanline |
3294 | (horizontal line on the screen) |
3342 | (horizontal line on the screen) |
3295 | 3343 | ||
3296 | ====================================================================== |
3344 | ====================================================================== |
3297 | ===== Function 62, subfunction 0 - get version of PCI-interface. ===== |
3345 | ===== Function 62, subfunction 0 - get version of PCI-interface. ===== |
3298 | ====================================================================== |
3346 | ====================================================================== |
3299 | Parameters: |
3347 | Parameters: |
3300 | * eax = 62 - function number |
3348 | * eax = 62 - function number |
3301 | * bl = 0 - subfunction number |
3349 | * bl = 0 - subfunction number |
3302 | Returned value: |
3350 | Returned value: |
3303 | * eax = -1 - PCI access is disabled; otherwise |
3351 | * eax = -1 - PCI access is disabled; otherwise |
3304 | * ah.al = version of PCI-interface (ah=version, al=subversion) |
3352 | * ah.al = version of PCI-interface (ah=version, al=subversion) |
3305 | * high word of eax is zeroed |
3353 | * high word of eax is zeroed |
3306 | Remarks: |
3354 | Remarks: |
3307 | * Previously low-level access to PCI for applications must be |
3355 | * Previously low-level access to PCI for applications must be |
3308 | enabled by subfunction 12 of function 21. |
3356 | enabled by subfunction 12 of function 21. |
3309 | * If PCI BIOS is not supported, the value of ax is undefined. |
3357 | * If PCI BIOS is not supported, the value of ax is undefined. |
3310 | 3358 | ||
3311 | ====================================================================== |
3359 | ====================================================================== |
3312 | ==== Function 62, subfunction 1 - get number of the last PCI-bus. ==== |
3360 | ==== Function 62, subfunction 1 - get number of the last PCI-bus. ==== |
3313 | ====================================================================== |
3361 | ====================================================================== |
3314 | Parameters: |
3362 | Parameters: |
3315 | * eax = 62 - function number |
3363 | * eax = 62 - function number |
3316 | * bl = 1 - subfunction number |
3364 | * bl = 1 - subfunction number |
3317 | Returned value: |
3365 | Returned value: |
3318 | * eax = -1 - access to PCI is disabled; otherwise |
3366 | * eax = -1 - access to PCI is disabled; otherwise |
3319 | * al = number of the last PCI-bus; other bytes of eax are destroyed |
3367 | * al = number of the last PCI-bus; other bytes of eax are destroyed |
3320 | Remarks: |
3368 | Remarks: |
3321 | * Previously low-level access to PCI for applications must be |
3369 | * Previously low-level access to PCI for applications must be |
3322 | enabled by subfunction 12 of function 21. |
3370 | enabled by subfunction 12 of function 21. |
3323 | * If PCI BIOS is not supported, the value of ax is undefined. |
3371 | * If PCI BIOS is not supported, the value of ax is undefined. |
3324 | 3372 | ||
3325 | ====================================================================== |
3373 | ====================================================================== |
3326 | ===================== Function 62, subfunction 2 ===================== |
3374 | ===================== Function 62, subfunction 2 ===================== |
3327 | ===== Get mechanism of addressing to the PCI configuration space. ==== |
3375 | ===== Get mechanism of addressing to the PCI configuration space. ==== |
3328 | ====================================================================== |
3376 | ====================================================================== |
3329 | Parameters: |
3377 | Parameters: |
3330 | * eax = 62 - function number |
3378 | * eax = 62 - function number |
3331 | * bl = 2 - subfunction number |
3379 | * bl = 2 - subfunction number |
3332 | Returned value: |
3380 | Returned value: |
3333 | * eax = -1 - access to PCI is disabled; otherwise |
3381 | * eax = -1 - access to PCI is disabled; otherwise |
3334 | * al = mechanism (1 or 2); other bytes of eax are destroyed |
3382 | * al = mechanism (1 or 2); other bytes of eax are destroyed |
3335 | Remarks: |
3383 | Remarks: |
3336 | * Previously low-level access to PCI for applications must be |
3384 | * Previously low-level access to PCI for applications must be |
3337 | enabled by subfunction 12 of function 21. |
3385 | enabled by subfunction 12 of function 21. |
3338 | * Addressing mechanism is selected depending on |
3386 | * Addressing mechanism is selected depending on |
3339 | equipment characteristics. |
3387 | equipment characteristics. |
3340 | * Subfunctions of read and write work automatically |
3388 | * Subfunctions of read and write work automatically |
3341 | with the selected mechanism. |
3389 | with the selected mechanism. |
3342 | 3390 | ||
3343 | ====================================================================== |
3391 | ====================================================================== |
3344 | ======== Function 62, subfunctions 4,5,6 - read PCI-register. ======== |
3392 | ======== Function 62, subfunctions 4,5,6 - read PCI-register. ======== |
3345 | ====================================================================== |
3393 | ====================================================================== |
3346 | Parameters: |
3394 | Parameters: |
3347 | * eax = 62 - function number |
3395 | * eax = 62 - function number |
3348 | * bl = 4 - read byte |
3396 | * bl = 4 - read byte |
3349 | * bl = 5 - read word |
3397 | * bl = 5 - read word |
3350 | * bl = 6 - read dword |
3398 | * bl = 6 - read dword |
3351 | * bh = number of PCI-bus |
3399 | * bh = number of PCI-bus |
3352 | * ch = dddddfff, where ddddd = number of the device on the bus, |
3400 | * ch = dddddfff, where ddddd = number of the device on the bus, |
3353 | fff = function number of device |
3401 | fff = function number of device |
3354 | * cl = number of register (must be even for bl=5, |
3402 | * cl = number of register (must be even for bl=5, |
3355 | divisible by 4 for bl=6) |
3403 | divisible by 4 for bl=6) |
3356 | Returned value: |
3404 | Returned value: |
3357 | * eax = -1 - error (access to PCI is disabled or parameters |
3405 | * eax = -1 - error (access to PCI is disabled or parameters |
3358 | are not supported); otherwise |
3406 | are not supported); otherwise |
3359 | * al/ax/eax (depending on requested size) contains the data; |
3407 | * al/ax/eax (depending on requested size) contains the data; |
3360 | the other part of register eax is destroyed |
3408 | the other part of register eax is destroyed |
3361 | Remarks: |
3409 | Remarks: |
3362 | * Previously low-level access to PCI for applications must be |
3410 | * Previously low-level access to PCI for applications must be |
3363 | enabled by subfunction 12 of function 21. |
3411 | enabled by subfunction 12 of function 21. |
3364 | * Access mechanism 2 supports only 16 devices on a bus and ignores |
3412 | * Access mechanism 2 supports only 16 devices on a bus and ignores |
3365 | function number. To get access mechanism use subfunction 2. |
3413 | function number. To get access mechanism use subfunction 2. |
3366 | * Some registers are standard and exist for all devices, some are |
3414 | * Some registers are standard and exist for all devices, some are |
3367 | defined by the concrete device. The list of registers of the |
3415 | defined by the concrete device. The list of registers of the |
3368 | first type can be found e.g. in famous |
3416 | first type can be found e.g. in famous |
3369 | Interrupt List by Ralf Brown |
3417 | Interrupt List by Ralf Brown |
3370 | (http://www.pobox.com/~ralf/files.html, |
3418 | (http://www.pobox.com/~ralf/files.html, |
3371 | ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/); |
3419 | ftp://ftp.cs.cmu.edu/afs/cs/user/ralf/pub/); |
3372 | registers of the second type must be listed |
3420 | registers of the second type must be listed |
3373 | in the device documentation. |
3421 | in the device documentation. |
3374 | 3422 | ||
3375 | ====================================================================== |
3423 | ====================================================================== |
3376 | ====== Function 62, subfunctions 8,9,10 - write to PCI-register. ===== |
3424 | ====== Function 62, subfunctions 8,9,10 - write to PCI-register. ===== |
3377 | ====================================================================== |
3425 | ====================================================================== |
3378 | Parameters: |
3426 | Parameters: |
3379 | * eax = 62 - function number |
3427 | * eax = 62 - function number |
3380 | * bl = 8 - write byte |
3428 | * bl = 8 - write byte |
3381 | * bl = 9 - write word |
3429 | * bl = 9 - write word |
3382 | * bl = 10 - write dword |
3430 | * bl = 10 - write dword |
3383 | * bh = number of PCI-bus |
3431 | * bh = number of PCI-bus |
3384 | * ch = dddddfff, where ddddd = number of the device on the bus, |
3432 | * ch = dddddfff, where ddddd = number of the device on the bus, |
3385 | fff = function number of device |
3433 | fff = function number of device |
3386 | * cl = number of register (must be even for bl=9, |
3434 | * cl = number of register (must be even for bl=9, |
3387 | divisible by 4 for bl=10) |
3435 | divisible by 4 for bl=10) |
3388 | * dl/dx/edx (depending on requested size) contatins |
3436 | * dl/dx/edx (depending on requested size) contatins |
3389 | the data to write |
3437 | the data to write |
3390 | Returned value: |
3438 | Returned value: |
3391 | * eax = -1 - error (access to PCI is disabled or parameters |
3439 | * eax = -1 - error (access to PCI is disabled or parameters |
3392 | are not supported) |
3440 | are not supported) |
3393 | * eax = 0 - success |
3441 | * eax = 0 - success |
3394 | Remarks: |
3442 | Remarks: |
3395 | * Previously low-level access to PCI for applications must be |
3443 | * Previously low-level access to PCI for applications must be |
3396 | enabled by subfunction 12 of function 21. |
3444 | enabled by subfunction 12 of function 21. |
3397 | * Access mechanism 2 supports only 16 devices on a bus and ignores |
3445 | * Access mechanism 2 supports only 16 devices on a bus and ignores |
3398 | function number. To get access mechanism use subfunction 2. |
3446 | function number. To get access mechanism use subfunction 2. |
3399 | * Some registers are standard and exist for all devices, some are |
3447 | * Some registers are standard and exist for all devices, some are |
3400 | defined by the concrete device. The list of registers of the |
3448 | defined by the concrete device. The list of registers of the |
3401 | first type can be found e.g. in famous Interrupt List by |
3449 | first type can be found e.g. in famous Interrupt List by |
3402 | Ralf Brown; registers of the second type must be listed |
3450 | Ralf Brown; registers of the second type must be listed |
3403 | in the device documentation. |
3451 | in the device documentation. |
3404 | 3452 | ||
3405 | ====================================================================== |
3453 | ====================================================================== |
3406 | ============== Function 63 - work with the debug board. ============== |
3454 | ============== Function 63 - work with the debug board. ============== |
3407 | ====================================================================== |
3455 | ====================================================================== |
3408 | The debug board is the global system buffer (with the size |
3456 | The debug board is the global system buffer (with the size |
3409 | 512 bytes), to which any program can write (generally speaking, |
3457 | 512 bytes), to which any program can write (generally speaking, |
3410 | arbitrary) data and from which other program can read these data. |
3458 | arbitrary) data and from which other program can read these data. |
3411 | By the agreement written data are text strings interpreted as |
3459 | By the agreement written data are text strings interpreted as |
3412 | debug messages on a course of program execution. The kernel in |
3460 | debug messages on a course of program execution. The kernel in |
3413 | some situations also writes to the debug board information on |
3461 | some situations also writes to the debug board information on |
3414 | execution of some functions; by the agreement kernel messages |
3462 | execution of some functions; by the agreement kernel messages |
3415 | begins from the prefix "K : ". |
3463 | begins from the prefix "K : ". |
3416 | For view of the debug board the application 'board' was created, |
3464 | For view of the debug board the application 'board' was created, |
3417 | which reads data from the buffer and displays them in its window. |
3465 | which reads data from the buffer and displays them in its window. |
3418 | 'board' interpretes the sequence of codes 13,10 as newline. |
3466 | 'board' interpretes the sequence of codes 13,10 as newline. |
3419 | A character with null code in an end of line is not necessary, |
3467 | A character with null code in an end of line is not necessary, |
3420 | but also does not prevent. |
3468 | but also does not prevent. |
3421 | Because debugger has been written, the value of the debug board |
3469 | Because debugger has been written, the value of the debug board |
3422 | has decreased, as debugger allows to inspect completely a course of |
3470 | has decreased, as debugger allows to inspect completely a course of |
3423 | program execution without any efforts from the direction of program |
3471 | program execution without any efforts from the direction of program |
3424 | itself. Nevertheless in some cases the debug board is still useful. |
3472 | itself. Nevertheless in some cases the debug board is still useful. |
3425 | 3473 | ||
3426 | ----------------------------- Write byte ----------------------------- |
3474 | ----------------------------- Write byte ----------------------------- |
3427 | Parameters: |
3475 | Parameters: |
3428 | * eax = 63 - function number |
3476 | * eax = 63 - function number |
3429 | * ebx = 1 - subfunction number |
3477 | * ebx = 1 - subfunction number |
3430 | * cl = data byte |
3478 | * cl = data byte |
3431 | Returned value: |
3479 | Returned value: |
3432 | * function does not return value |
3480 | * function does not return value |
3433 | Remarks: |
3481 | Remarks: |
3434 | * Byte is written to the buffer. Buffer size is 512 bytes. |
3482 | * Byte is written to the buffer. Buffer size is 512 bytes. |
3435 | At buffer overflow all obtained data are lost. |
3483 | At buffer overflow all obtained data are lost. |
3436 | * For output to the debug board of more complicated objects |
3484 | * For output to the debug board of more complicated objects |
3437 | (strings, numbers) it is enough to call this function in cycle. |
3485 | (strings, numbers) it is enough to call this function in cycle. |
3438 | It is possible not to write the appropriate code manually and use |
3486 | It is possible not to write the appropriate code manually and use |
3439 | file 'debug.inc', which is included into the distributive. |
3487 | file 'debug.inc', which is included into the distributive. |
3440 | 3488 | ||
3441 | ----------------------------- Read byte ------------------------------ |
3489 | ----------------------------- Read byte ------------------------------ |
3442 | Takes away byte from the buffer. |
3490 | Takes away byte from the buffer. |
3443 | Parameters: |
3491 | Parameters: |
3444 | * eax = 63 - function number |
3492 | * eax = 63 - function number |
3445 | * ebx = 2 - subfunction number |
3493 | * ebx = 2 - subfunction number |
3446 | Returned value: |
3494 | Returned value: |
3447 | * eax = ebx = 0 - the buffer is empty |
3495 | * eax = ebx = 0 - the buffer is empty |
3448 | * eax = byte, ebx = 1 - byte was successfully read |
3496 | * eax = byte, ebx = 1 - byte was successfully read |
3449 | 3497 | ||
3450 | ====================================================================== |
3498 | ====================================================================== |
3451 | ============== Function 64 - resize application memory. ============== |
3499 | ============== Function 64 - resize application memory. ============== |
3452 | ====================================================================== |
3500 | ====================================================================== |
3453 | Parameters: |
3501 | Parameters: |
3454 | * eax = 64 - function number |
3502 | * eax = 64 - function number |
3455 | * ebx = 1 - unique subfunction |
3503 | * ebx = 1 - unique subfunction |
3456 | * ecx = new memory size |
3504 | * ecx = new memory size |
3457 | Returned value: |
3505 | Returned value: |
3458 | * eax = 0 - success |
3506 | * eax = 0 - success |
3459 | * eax = 1 - not enough memory |
3507 | * eax = 1 - not enough memory |
3460 | Remarks: |
3508 | Remarks: |
3461 | * At the moment this function is a sole resource for dynamic |
3509 | * At the moment this function is a sole resource for dynamic |
3462 | allocation/free of application memory. |
3510 | allocation/free of application memory. |
3463 | 3511 | ||
3464 | ====================================================================== |
3512 | ====================================================================== |
3465 | ================== Function 66 - work with keyboard. ================= |
3513 | ================== Function 66 - work with keyboard. ================= |
3466 | ====================================================================== |
3514 | ====================================================================== |
3467 | The input mode influences results of reading keys by function 2. |
3515 | The input mode influences results of reading keys by function 2. |
3468 | When a program loads, ASCII input mode is set for it. |
3516 | When a program loads, ASCII input mode is set for it. |
3469 | 3517 | ||
3470 | -------------- Subfunction 1 - set keyboard input mode. -------------- |
3518 | -------------- Subfunction 1 - set keyboard input mode. -------------- |
3471 | Parameters: |
3519 | Parameters: |
3472 | * eax = 66 - function number |
3520 | * eax = 66 - function number |
3473 | * ebx = 1 - subfunction number |
3521 | * ebx = 1 - subfunction number |
3474 | * ecx = mode: |
3522 | * ecx = mode: |
3475 | * 0 = normal (ASCII-characters) |
3523 | * 0 = normal (ASCII-characters) |
3476 | * 1 = scancodes |
3524 | * 1 = scancodes |
3477 | Returned value: |
3525 | Returned value: |
3478 | * function does not return value |
3526 | * function does not return value |
3479 | 3527 | ||
3480 | -------------- Subfunction 2 - get keyboard input mode. -------------- |
3528 | -------------- Subfunction 2 - get keyboard input mode. -------------- |
3481 | Parameters: |
3529 | Parameters: |
3482 | * eax = 66 - function number |
3530 | * eax = 66 - function number |
3483 | * ebx = 2 - subfunction number |
3531 | * ebx = 2 - subfunction number |
3484 | Returned value: |
3532 | Returned value: |
3485 | * eax = current mode |
3533 | * eax = current mode |
3486 | 3534 | ||
3487 | ------------ Subfunction 3 - get status of control keys. ------------- |
3535 | ------------ Subfunction 3 - get status of control keys. ------------- |
3488 | Parameters: |
3536 | Parameters: |
3489 | * eax = 66 - function number |
3537 | * eax = 66 - function number |
3490 | * ebx = 3 - subfunction number |
3538 | * ebx = 3 - subfunction number |
3491 | Returned value: |
3539 | Returned value: |
3492 | * eax = bit mask: |
3540 | * eax = bit mask: |
3493 | * bit 0 (mask 1): left Shift is pressed |
3541 | * bit 0 (mask 1): left Shift is pressed |
3494 | * bit 1 (mask 2): right Shift is pressed |
3542 | * bit 1 (mask 2): right Shift is pressed |
3495 | * bit 2 (mask 4): left Ctrl is pressed |
3543 | * bit 2 (mask 4): left Ctrl is pressed |
3496 | * bit 3 (mask 8): right Ctrl is pressed |
3544 | * bit 3 (mask 8): right Ctrl is pressed |
3497 | * bit 4 (mask 0x10): left Alt is pressed |
3545 | * bit 4 (mask 0x10): left Alt is pressed |
3498 | * bit 5 (mask 0x20): right Alt is pressed |
3546 | * bit 5 (mask 0x20): right Alt is pressed |
3499 | * bit 6 (mask 0x40): CapsLock is on |
3547 | * bit 6 (mask 0x40): CapsLock is on |
3500 | * bit 7 (mask 0x80): NumLock is on |
3548 | * bit 7 (mask 0x80): NumLock is on |
3501 | * bit 8 (mask 0x100): ScrollLock is on |
3549 | * bit 8 (mask 0x100): ScrollLock is on |
3502 | * other bits are cleared |
3550 | * other bits are cleared |
3503 | 3551 | ||
3504 | -------------- Subfunction 4 - set system-wide hotkey. --------------- |
3552 | -------------- Subfunction 4 - set system-wide hotkey. --------------- |
3505 | When hotkey is pressed, the system notifies only those applications, |
3553 | When hotkey is pressed, the system notifies only those applications, |
3506 | which have installed it; the active application (which receives |
3554 | which have installed it; the active application (which receives |
3507 | all normal input) does not receive such keys. |
3555 | all normal input) does not receive such keys. |
3508 | The notification consists in sending event with the code 2. |
3556 | The notification consists in sending event with the code 2. |
3509 | Reading hotkey is the same as reading normal key - by function 2. |
3557 | Reading hotkey is the same as reading normal key - by function 2. |
3510 | Parameters: |
3558 | Parameters: |
3511 | * eax = 66 - function number |
3559 | * eax = 66 - function number |
3512 | * ebx = 4 - subfunction number |
3560 | * ebx = 4 - subfunction number |
3513 | * cl determines key scancode; |
3561 | * cl determines key scancode; |
3514 | use cl=0 to give combinations such as Ctrl+Shift |
3562 | use cl=0 to give combinations such as Ctrl+Shift |
3515 | * edx = 0xXYZ determines possible states of control keys: |
3563 | * edx = 0xXYZ determines possible states of control keys: |
3516 | * Z (low 4 bits) determines state of LShift and RShift: |
3564 | * Z (low 4 bits) determines state of LShift and RShift: |
3517 | * 0 = no key must be pressed; |
3565 | * 0 = no key must be pressed; |
3518 | * 1 = exactly one key must be pressed; |
3566 | * 1 = exactly one key must be pressed; |
3519 | * 2 = both keys must be pressed; |
3567 | * 2 = both keys must be pressed; |
3520 | * 3 = must be pressed LShift, but not RShift; |
3568 | * 3 = must be pressed LShift, but not RShift; |
3521 | * 4 = must be pressed RShift, but not LShift |
3569 | * 4 = must be pressed RShift, but not LShift |
3522 | * Y - similar for LCtrl and RCtrl; |
3570 | * Y - similar for LCtrl and RCtrl; |
3523 | * X - similar for LAlt and RAlt |
3571 | * X - similar for LAlt and RAlt |
3524 | Returned value: |
3572 | Returned value: |
3525 | * eax=0 - success |
3573 | * eax=0 - success |
3526 | * eax=1 - too mant hotkeys (maximum 256 are allowed) |
3574 | * eax=1 - too mant hotkeys (maximum 256 are allowed) |
3527 | Remarks: |
3575 | Remarks: |
3528 | * Hotkey can work either at pressing or at release. Release |
3576 | * Hotkey can work either at pressing or at release. Release |
3529 | scancode of a key is more on 128 than pressing scancode |
3577 | scancode of a key is more on 128 than pressing scancode |
3530 | (i.e. high bit is set). |
3578 | (i.e. high bit is set). |
3531 | * Several applications can set the same combination; |
3579 | * Several applications can set the same combination; |
3532 | all such applications will be informed on pressing |
3580 | all such applications will be informed on pressing |
3533 | such combination. |
3581 | such combination. |
3534 | 3582 | ||
3535 | -------------- Subfunction 5 - delete installed hotkey. -------------- |
3583 | -------------- Subfunction 5 - delete installed hotkey. -------------- |
3536 | Parameters: |
3584 | Parameters: |
3537 | * eax = 66 - function number |
3585 | * eax = 66 - function number |
3538 | * ebx = 5 - subfunction number |
3586 | * ebx = 5 - subfunction number |
3539 | * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4 |
3587 | * cl = scancode of key and edx = 0xXYZ the same as in subfunction 4 |
3540 | Returned value: |
3588 | Returned value: |
3541 | * eax = 0 - success |
3589 | * eax = 0 - success |
3542 | * eax = 1 - there is no such hotkey |
3590 | * eax = 1 - there is no such hotkey |
3543 | Remarks: |
3591 | Remarks: |
3544 | * When a process/thread terminates, all hotkey installed by it are |
3592 | * When a process/thread terminates, all hotkey installed by it are |
3545 | deleted. |
3593 | deleted. |
3546 | * The call to this subfunction does not affect other applications. |
3594 | * The call to this subfunction does not affect other applications. |
3547 | If other application has defined the same combination, it will |
3595 | If other application has defined the same combination, it will |
3548 | still receive notices. |
3596 | still receive notices. |
3549 | 3597 | ||
3550 | ====================================================================== |
3598 | ====================================================================== |
3551 | ========= Function 67 - change position/sizes of the window. ========= |
3599 | ========= Function 67 - change position/sizes of the window. ========= |
3552 | ====================================================================== |
3600 | ====================================================================== |
3553 | Parameters: |
3601 | Parameters: |
3554 | * eax = 67 - function number |
3602 | * eax = 67 - function number |
3555 | * ebx = new x-coordinate of the window |
3603 | * ebx = new x-coordinate of the window |
3556 | * ecx = new y-coordinate of the window |
3604 | * ecx = new y-coordinate of the window |
3557 | * edx = new x-size of the window |
3605 | * edx = new x-size of the window |
3558 | * esi = new y-size of the window |
3606 | * esi = new y-size of the window |
3559 | Returned value: |
3607 | Returned value: |
3560 | * function does not return value |
3608 | * function does not return value |
3561 | Remarks: |
3609 | Remarks: |
3562 | * The value -1 for a parameter means "do not change"; e.g. to move |
3610 | * 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. |
3611 | the window without resizing it is possible to specify edx=esi=-1. |
3564 | * Previously the window must be defined by function 0. |
3612 | * Previously the window must be defined by function 0. |
3565 | It sets initial coordinates and sizes of the window. |
3613 | It sets initial coordinates and sizes of the window. |
3566 | * Sizes of the window are understood in sense of function 0, |
3614 | * Sizes of the window are understood in sense of function 0, |
3567 | that is one pixel less than real sizes. |
3615 | that is one pixel less than real sizes. |
3568 | * The function call for maximized windows is simply ignored. |
3616 | * The function call for maximized windows is simply ignored. |
3569 | * For windows of appropriate styles position and/or sizes can be |
3617 | * For windows of appropriate styles position and/or sizes can be |
3570 | changed by user; current position and sizes can be obtained by |
3618 | changed by user; current position and sizes can be obtained by |
3571 | call to function 9. |
3619 | call to function 9. |
3572 | * The function sends to the window redraw event (with the code 1). |
3620 | * The function sends to the window redraw event (with the code 1). |
3573 | 3621 | ||
3574 | ====================================================================== |
3622 | ====================================================================== |
3575 | ====== Function 68, subfunction 0 - get the task switch counter. ===== |
3623 | ====== Function 68, subfunction 0 - get the task switch counter. ===== |
3576 | ====================================================================== |
3624 | ====================================================================== |
3577 | Parameters: |
3625 | Parameters: |
3578 | * eax = 68 - function number |
3626 | * eax = 68 - function number |
3579 | * ebx = 0 - subfunction number |
3627 | * ebx = 0 - subfunction number |
3580 | Returned value: |
3628 | Returned value: |
3581 | * eax = number of task switches from the system booting |
3629 | * eax = number of task switches from the system booting |
3582 | (modulo 2^32) |
3630 | (modulo 2^32) |
3583 | 3631 | ||
3584 | ====================================================================== |
3632 | ====================================================================== |
3585 | ======= Function 68, subfunction 1 - switch to the next thread. ====== |
3633 | ======= Function 68, subfunction 1 - switch to the next thread. ====== |
3586 | ====================================================================== |
3634 | ====================================================================== |
3587 | The function completes the current time slice allocated to the |
3635 | The function completes the current time slice allocated to the |
3588 | thread and switches to the next. (Which thread in which process |
3636 | thread and switches to the next. (Which thread in which process |
3589 | will be next, is unpredictable). Later, when execution queue |
3637 | will be next, is unpredictable). Later, when execution queue |
3590 | will reach the current thread, execution will be continued. |
3638 | will reach the current thread, execution will be continued. |
3591 | Parameters: |
3639 | Parameters: |
3592 | * eax = 68 - function number |
3640 | * eax = 68 - function number |
3593 | * ebx = 1 - subfunction number |
3641 | * ebx = 1 - subfunction number |
3594 | Returned value: |
3642 | Returned value: |
3595 | * function does not return value |
3643 | * function does not return value |
3596 | 3644 | ||
3597 | ====================================================================== |
3645 | ====================================================================== |
3598 | ============= Function 68, subfunction 2 - cache + rdpmc. ============ |
3646 | ============= Function 68, subfunction 2 - cache + rdpmc. ============ |
3599 | ====================================================================== |
3647 | ====================================================================== |
3600 | Parameters: |
3648 | Parameters: |
3601 | * eax = 68 - function number |
3649 | * eax = 68 - function number |
3602 | * ebx = 2 - subfunction number |
3650 | * ebx = 2 - subfunction number |
3603 | * ecx = required action: |
3651 | * ecx = required action: |
3604 | * ecx = 0 - enable instruction 'rdpmc' |
3652 | * ecx = 0 - enable instruction 'rdpmc' |
3605 | (ReaD Performance-Monitoring Counters) for applications |
3653 | (ReaD Performance-Monitoring Counters) for applications |
3606 | * ecx = 1 - find out whether cache is disabled/enabled |
3654 | * ecx = 1 - find out whether cache is disabled/enabled |
3607 | * ecx = 2 - enable cache |
3655 | * ecx = 2 - enable cache |
3608 | * ecx = 3 - disable cache |
3656 | * ecx = 3 - disable cache |
3609 | Returned value: |
3657 | Returned value: |
3610 | * for ecx=0: |
3658 | * for ecx=0: |
3611 | * eax = the value of cr4 |
3659 | * eax = the value of cr4 |
3612 | * for ecx=1: |
3660 | * for ecx=1: |
3613 | * eax = (cr0 and 0x60000000): |
3661 | * eax = (cr0 and 0x60000000): |
3614 | * eax = 0 - cache is on |
3662 | * eax = 0 - cache is on |
3615 | * eax <> 0 - cache is off |
3663 | * eax <> 0 - cache is off |
3616 | * for ecx=2 and ecx=3: |
3664 | * for ecx=2 and ecx=3: |
3617 | * function does not return value |
3665 | * function does not return value |
3618 | 3666 | ||
3619 | ====================================================================== |
3667 | ====================================================================== |
3620 | =========== Function 68, subfunction 3 - read MSR-register. ========== |
3668 | =========== Function 68, subfunction 3 - read MSR-register. ========== |
3621 | ====================================================================== |
3669 | ====================================================================== |
3622 | MSR = Model Specific Register; the complete list of MSR-registers |
3670 | MSR = Model Specific Register; the complete list of MSR-registers |
3623 | of a processor is included to the documentation on it (for example, |
3671 | of a processor is included to the documentation on it (for example, |
3624 | IA-32 Intel Architecture Software Developer's Manual, |
3672 | IA-32 Intel Architecture Software Developer's Manual, |
3625 | Volume 3, Appendix B); each processor family has its own subset |
3673 | Volume 3, Appendix B); each processor family has its own subset |
3626 | of the MSR-registers. |
3674 | of the MSR-registers. |
3627 | Parameters: |
3675 | Parameters: |
3628 | * eax = 68 - function number |
3676 | * eax = 68 - function number |
3629 | * ebx = 3 - subfunction number |
3677 | * ebx = 3 - subfunction number |
3630 | * ecx is ignored |
3678 | * ecx is ignored |
3631 | * edx = MSR address |
3679 | * edx = MSR address |
3632 | Returned value: |
3680 | Returned value: |
3633 | * ebx:eax = high:low dword of the result |
3681 | * ebx:eax = high:low dword of the result |
3634 | Remarks: |
3682 | Remarks: |
3635 | * If ecx contains nonexistent or not implemented for this processor |
3683 | * If ecx contains nonexistent or not implemented for this processor |
3636 | MSR, processor will generate an exception in the kernel, which |
3684 | MSR, processor will generate an exception in the kernel, which |
3637 | will kill the thread. |
3685 | will kill the thread. |
3638 | * Previously it is necessary to check, whether MSRs are supported |
3686 | * Previously it is necessary to check, whether MSRs are supported |
3639 | as a whole, with the instruction 'cpuid'. Otherwise processor |
3687 | as a whole, with the instruction 'cpuid'. Otherwise processor |
3640 | will generate other exception in the kernel, which will anyway |
3688 | will generate other exception in the kernel, which will anyway |
3641 | kill the thread. |
3689 | kill the thread. |
3642 | 3690 | ||
3643 | ====================================================================== |
3691 | ====================================================================== |
3644 | ========= Function 68, subfunction 4 - write to MSR-register. ======== |
3692 | ========= Function 68, subfunction 4 - write to MSR-register. ======== |
3645 | ====================================================================== |
3693 | ====================================================================== |
3646 | MSR = Model Specific Register; the complete list of MSR-registers |
3694 | MSR = Model Specific Register; the complete list of MSR-registers |
3647 | of a processor is included to the documentation on it (for example, |
3695 | of a processor is included to the documentation on it (for example, |
3648 | IA-32 Intel Architecture Software Developer's Manual, |
3696 | IA-32 Intel Architecture Software Developer's Manual, |
3649 | Volume 3, Appendix B); each processor family has its own subset |
3697 | Volume 3, Appendix B); each processor family has its own subset |
3650 | of the MSR-registers. |
3698 | of the MSR-registers. |
3651 | Parameters: |
3699 | Parameters: |
3652 | * eax = 68 - function number |
3700 | * eax = 68 - function number |
3653 | * ebx = 4 - subfunction number |
3701 | * ebx = 4 - subfunction number |
3654 | * ecx is ignored |
3702 | * ecx is ignored |
3655 | * edx = MSR address |
3703 | * edx = MSR address |
3656 | * esi:edi = high:low dword |
3704 | * esi:edi = high:low dword |
3657 | Returned value: |
3705 | Returned value: |
3658 | * ebx:eax = copy of esi:edi |
3706 | * ebx:eax = copy of esi:edi |
3659 | Çàìå÷àíèÿ: |
3707 | Çàìå÷àíèÿ: |
3660 | * If ecx contains nonexistent or not implemented for this processor |
3708 | * If ecx contains nonexistent or not implemented for this processor |
3661 | MSR, processor will generate an exception in the kernel, which |
3709 | MSR, processor will generate an exception in the kernel, which |
3662 | will kill the thread. |
3710 | will kill the thread. |
3663 | * Previously it is necessary to check, whether MSRs are supported |
3711 | * Previously it is necessary to check, whether MSRs are supported |
3664 | as a whole, with the instruction 'cpuid'. Otherwise processor |
3712 | as a whole, with the instruction 'cpuid'. Otherwise processor |
3665 | will generate other exception in the kernel, which will anyway |
3713 | will generate other exception in the kernel, which will anyway |
3666 | kill the thread. |
3714 | kill the thread. |
3667 | 3715 | ||
3668 | ====================================================================== |
3716 | ====================================================================== |
3669 | ======= Function 68, subfunction 5 - allocate physical memory. ======= |
3717 | ======= Function 68, subfunction 5 - allocate physical memory. ======= |
3670 | ====================================================================== |
3718 | ====================================================================== |
3671 | Parameters: |
3719 | Parameters: |
3672 | * eax = 68 - function number |
3720 | * eax = 68 - function number |
3673 | * ebx = 5 - subfunction number |
3721 | * ebx = 5 - subfunction number |
3674 | * ecx = size (in bytes) |
3722 | * ecx = size (in bytes) |
3675 | Returned value: |
3723 | Returned value: |
3676 | * eax = physical address of allocated memory |
3724 | * eax = physical address of allocated memory |
3677 | Remarks: |
3725 | Remarks: |
3678 | * Normal applications must not use this function, it is intended |
3726 | * Normal applications must not use this function, it is intended |
3679 | for the case, when for some device it is required to place |
3727 | for the case, when for some device it is required to place |
3680 | data to the known physical address. (In effect, this function |
3728 | data to the known physical address. (In effect, this function |
3681 | was developed for AC97WAV.) |
3729 | was developed for AC97WAV.) |
3682 | * The number of blocks of physical memory is limited (by constant |
3730 | * The number of blocks of physical memory is limited (by constant |
3683 | 24, and this constant includes some blocks for kernel). |
3731 | 24, and this constant includes some blocks for kernel). |
3684 | * To free a memory allocated by such way use |
3732 | * To free a memory allocated by such way use |
3685 | subfunction 6, to copy data there and back |
3733 | subfunction 6, to copy data there and back |
3686 | use subfunctions 7 and 8. |
3734 | use subfunctions 7 and 8. |
3687 | 3735 | ||
3688 | ====================================================================== |
3736 | ====================================================================== |
3689 | ========= Function 68, subfunction 6 - free physical memory. ========= |
3737 | ========= Function 68, subfunction 6 - free physical memory. ========= |
3690 | ====================================================================== |
3738 | ====================================================================== |
3691 | Parameters: |
3739 | Parameters: |
3692 | * eax = 68 - function number |
3740 | * eax = 68 - function number |
3693 | * ebx = 6 - subfunction number |
3741 | * ebx = 6 - subfunction number |
3694 | * ecx = physical address of memory |
3742 | * ecx = physical address of memory |
3695 | Returned value: |
3743 | Returned value: |
3696 | * function does not return value |
3744 | * function does not return value |
3697 | Remarks: |
3745 | Remarks: |
3698 | * Normal applications must not use this function, it is intended |
3746 | * Normal applications must not use this function, it is intended |
3699 | for the case, when for some device it is required to place |
3747 | for the case, when for some device it is required to place |
3700 | data to the known physical address. (In effect, this function |
3748 | data to the known physical address. (In effect, this function |
3701 | was developed for AC97WAV.) |
3749 | was developed for AC97WAV.) |
3702 | * The memory must be previously allocated by subfunction 5. |
3750 | * The memory must be previously allocated by subfunction 5. |
3703 | 3751 | ||
3704 | ====================================================================== |
3752 | ====================================================================== |
3705 | ===== Function 68, subfunction 7 - write data to physical memory. ==== |
3753 | ===== Function 68, subfunction 7 - write data to physical memory. ==== |
3706 | ====================================================================== |
3754 | ====================================================================== |
3707 | Parameters: |
3755 | Parameters: |
3708 | * eax = 68 - function number |
3756 | * eax = 68 - function number |
3709 | * ebx = 7 - subfunction number |
3757 | * ebx = 7 - subfunction number |
3710 | * ecx = physical address |
3758 | * ecx = physical address |
3711 | * edx = pointer to the data (in the application) |
3759 | * edx = pointer to the data (in the application) |
3712 | * esi = size of the data (in bytes) |
3760 | * esi = size of the data (in bytes) |
3713 | Returned value: |
3761 | Returned value: |
3714 | * function does not return value |
3762 | * function does not return value |
3715 | Remarks: |
3763 | Remarks: |
3716 | * Normal applications must not use this function, it is intended |
3764 | * Normal applications must not use this function, it is intended |
3717 | for the case, when for some device it is required to place |
3765 | for the case, when for some device it is required to place |
3718 | data to the known physical address. (In effect, this function |
3766 | data to the known physical address. (In effect, this function |
3719 | was developed for AC97WAV.) |
3767 | was developed for AC97WAV.) |
3720 | * The range of physical addresses should lie inside of previously |
3768 | * The range of physical addresses should lie inside of previously |
3721 | allocated by subfunction 5 block of physical memory. |
3769 | allocated by subfunction 5 block of physical memory. |
3722 | * There is no check for correctness. |
3770 | * There is no check for correctness. |
3723 | 3771 | ||
3724 | ====================================================================== |
3772 | ====================================================================== |
3725 | ==== Function 68, subfunction 8 - read data from physical memory. ==== |
3773 | ==== Function 68, subfunction 8 - read data from physical memory. ==== |
3726 | ====================================================================== |
3774 | ====================================================================== |
3727 | Parameters: |
3775 | Parameters: |
3728 | * eax = 68 - function number |
3776 | * eax = 68 - function number |
3729 | * ebx = 8 - subfunction number |
3777 | * ebx = 8 - subfunction number |
3730 | * ecx = physical address |
3778 | * ecx = physical address |
3731 | * edx = pointer to buffer for data (in application) |
3779 | * edx = pointer to buffer for data (in application) |
3732 | * esi = size of data (in bytes) |
3780 | * esi = size of data (in bytes) |
3733 | Returned value: |
3781 | Returned value: |
3734 | * function does not return value |
3782 | * function does not return value |
3735 | Remarks: |
3783 | Remarks: |
3736 | * Normal applications must not use this function, it is intended |
3784 | * Normal applications must not use this function, it is intended |
3737 | for the case, when for some device it is required to place |
3785 | for the case, when for some device it is required to place |
3738 | data to the known physical address. (In effect, this function |
3786 | data to the known physical address. (In effect, this function |
3739 | was developed for AC97WAV.) |
3787 | was developed for AC97WAV.) |
3740 | * The range of physical addresses should lie inside of previously |
3788 | * The range of physical addresses should lie inside of previously |
3741 | allocated by subfunction 5 block of physical memory. |
3789 | allocated by subfunction 5 block of physical memory. |
3742 | * There is no check for correctness. |
3790 | * There is no check for correctness. |
3743 | 3791 | ||
3744 | ====================================================================== |
3792 | ====================================================================== |
3745 | ====================== Fucntion 69 - debugging. ====================== |
3793 | ====================== Fucntion 69 - debugging. ====================== |
3746 | ====================================================================== |
3794 | ====================================================================== |
3747 | A process can load other process as debugged by set of corresponding |
3795 | A process can load other process as debugged by set of corresponding |
3748 | bit by call to subfunction 16 of function 58 |
3796 | bit by call to subfunction 16 of function 58 |
3749 | or subfunction 7 of function 70. |
3797 | or subfunction 7 of function 70. |
3750 | A process can have only one debugger; one process can debug some |
3798 | A process can have only one debugger; one process can debug some |
3751 | others. The system notifies debugger on events occuring with |
3799 | others. The system notifies debugger on events occuring with |
3752 | debugged process. Messages are written to the buffer defined by |
3800 | debugged process. Messages are written to the buffer defined by |
3753 | subfunction 0. |
3801 | subfunction 0. |
3754 | Format of a message: |
3802 | Format of a message: |
3755 | * +0: dword: message code |
3803 | * +0: dword: message code |
3756 | * +4: dword: PID of debugged process |
3804 | * +4: dword: PID of debugged process |
3757 | * +8: there can be additional data depending on message code |
3805 | * +8: there can be additional data depending on message code |
3758 | Message codes: |
3806 | Message codes: |
3759 | * 1 = exception |
3807 | * 1 = exception |
3760 | * in addition dword-number of the exception is given |
3808 | * in addition dword-number of the exception is given |
3761 | * process is suspended |
3809 | * process is suspended |
3762 | * 2 = process has terminated |
3810 | * 2 = process has terminated |
3763 | * comes at any termination: both through the system function -1, |
3811 | * comes at any termination: both through the system function -1, |
3764 | and at "murder" by any other process (including debugger itself) |
3812 | and at "murder" by any other process (including debugger itself) |
3765 | * 3 = debug exception int 1 = #DB |
3813 | * 3 = debug exception int 1 = #DB |
3766 | * in addition dword-image of the register DR6 is given: |
3814 | * in addition dword-image of the register DR6 is given: |
3767 | * bits 0-3: condition of the corresponding breakpoint (set by |
3815 | * bits 0-3: condition of the corresponding breakpoint (set by |
3768 | subfunction 9) is satisfied |
3816 | subfunction 9) is satisfied |
3769 | * áèò 14: exception has occured because of the trace mode |
3817 | * áèò 14: exception has occured because of the trace mode |
3770 | (flag TF is set TF) |
3818 | (flag TF is set TF) |
3771 | * process is suspended |
3819 | * process is suspended |
3772 | When debugger terminates, all debugged processes are killed. |
3820 | When debugger terminates, all debugged processes are killed. |
3773 | If debugger does not want this, it must previously detach by |
3821 | If debugger does not want this, it must previously detach by |
3774 | subfunction 3. |
3822 | subfunction 3. |
3775 | 3823 | ||
3776 | All subfunctions are applicable only to processes/threads started |
3824 | All subfunctions are applicable only to processes/threads started |
3777 | from the current by function 58 or 70 with set debugging flag. |
3825 | from the current by function 58 or 70 with set debugging flag. |
3778 | Debugging of multithreaded programs is not supported yet. |
3826 | Debugging of multithreaded programs is not supported yet. |
3779 | The full list of subfunctions: |
3827 | The full list of subfunctions: |
3780 | * subfunction 0 - define data area for debug messages |
3828 | * subfunction 0 - define data area for debug messages |
3781 | * subfunction 1 - get contents of registers of debugged thread |
3829 | * subfunction 1 - get contents of registers of debugged thread |
3782 | * subfunction 2 - set contents of registers of debugged thread |
3830 | * subfunction 2 - set contents of registers of debugged thread |
3783 | * subfunction 3 - detach from debugged process |
3831 | * subfunction 3 - detach from debugged process |
3784 | * subfunction 4 - suspend debugged thread |
3832 | * subfunction 4 - suspend debugged thread |
3785 | * subfunction 5 - resume debugged thread |
3833 | * subfunction 5 - resume debugged thread |
3786 | * subfunction 6 - read from the memory of debugged process |
3834 | * subfunction 6 - read from the memory of debugged process |
3787 | * subfunction 7 - write to the memory of debugged process |
3835 | * subfunction 7 - write to the memory of debugged process |
3788 | * subfunction 8 - terminate debugged thread |
3836 | * subfunction 8 - terminate debugged thread |
3789 | * subfunction 9 - set/clear hardware breakpoint |
3837 | * subfunction 9 - set/clear hardware breakpoint |
3790 | 3838 | ||
3791 | ====================================================================== |
3839 | ====================================================================== |
3792 | = Function 69, subfunction 0 - define data area fror debug messages. = |
3840 | = Function 69, subfunction 0 - define data area fror debug messages. = |
3793 | ====================================================================== |
3841 | ====================================================================== |
3794 | Parameters: |
3842 | Parameters: |
3795 | * eax = 69 - function number |
3843 | * eax = 69 - function number |
3796 | * ebx = 0 - subfunction number |
3844 | * ebx = 0 - subfunction number |
3797 | * ecx = pointer |
3845 | * ecx = pointer |
3798 | Format of data area: |
3846 | Format of data area: |
3799 | * +0: dword: N = buffer size (not including this header) |
3847 | * +0: dword: N = buffer size (not including this header) |
3800 | * +4: dword: occupied place |
3848 | * +4: dword: occupied place |
3801 | * +8: N*byte: buffer |
3849 | * +8: N*byte: buffer |
3802 | Returned value: |
3850 | Returned value: |
3803 | * function does not return value |
3851 | * function does not return value |
3804 | Remarks: |
3852 | Remarks: |
3805 | * If the size field is negative, the buffer is considered locked |
3853 | * If the size field is negative, the buffer is considered locked |
3806 | and at arrival of new message the system will wait. |
3854 | and at arrival of new message the system will wait. |
3807 | For synchronization frame all work with the buffer by operations |
3855 | For synchronization frame all work with the buffer by operations |
3808 | lock/unlock |
3856 | lock/unlock |
3809 | neg [bufsize] |
3857 | neg [bufsize] |
3810 | * Data in the buffer are considered as array of items with variable |
3858 | * Data in the buffer are considered as array of items with variable |
3811 | length - messages. Format of a message is explained in |
3859 | length - messages. Format of a message is explained in |
3812 | general description. |
3860 | general description. |
3813 | 3861 | ||
3814 | ====================================================================== |
3862 | ====================================================================== |
3815 | ===================== Function 69, subfunction 1 ===================== |
3863 | ===================== Function 69, subfunction 1 ===================== |
3816 | ============ Get contents of registers of debugged thread. =========== |
3864 | ============ Get contents of registers of debugged thread. =========== |
3817 | ====================================================================== |
3865 | ====================================================================== |
3818 | Parameters: |
3866 | Parameters: |
3819 | * eax = 69 - function number |
3867 | * eax = 69 - function number |
3820 | * ebx = 1 - subfunction number |
3868 | * ebx = 1 - subfunction number |
3821 | * ecx = thread identifier |
3869 | * ecx = thread identifier |
3822 | * edx = size of context structure, must be 0x28=40 bytes |
3870 | * edx = size of context structure, must be 0x28=40 bytes |
3823 | * esi = pointer to context structure |
3871 | * esi = pointer to context structure |
3824 | Returned value: |
3872 | Returned value: |
3825 | * function does not return value |
3873 | * function does not return value |
3826 | Format of context structure: (FPU is not supported yet) |
3874 | Format of context structure: (FPU is not supported yet) |
3827 | * +0: dword: eip |
3875 | * +0: dword: eip |
3828 | * +4: dword: eflags |
3876 | * +4: dword: eflags |
3829 | * +8: dword: eax |
3877 | * +8: dword: eax |
3830 | * +12 = +0xC: dword: ecx |
3878 | * +12 = +0xC: dword: ecx |
3831 | * +16 = +0x10: dword: edx |
3879 | * +16 = +0x10: dword: edx |
3832 | * +20 = +0x14: dword: ebx |
3880 | * +20 = +0x14: dword: ebx |
3833 | * +24 = +0x18: dword: esp |
3881 | * +24 = +0x18: dword: esp |
3834 | * +28 = +0x1C: dword: ebp |
3882 | * +28 = +0x1C: dword: ebp |
3835 | * +32 = +0x20: dword: esi |
3883 | * +32 = +0x20: dword: esi |
3836 | * +36 = +0x24: dword: edi |
3884 | * +36 = +0x24: dword: edi |
3837 | Remarks: |
3885 | Remarks: |
3838 | * If the thread executes code of ring-0, the function returns |
3886 | * If the thread executes code of ring-0, the function returns |
3839 | contents of registers of ring-3. |
3887 | contents of registers of ring-3. |
3840 | * Process must be loaded for debugging (as is shown in |
3888 | * Process must be loaded for debugging (as is shown in |
3841 | general description). |
3889 | general description). |
3842 | 3890 | ||
3843 | ====================================================================== |
3891 | ====================================================================== |
3844 | ===================== Function 69, subfunction 2 ===================== |
3892 | ===================== Function 69, subfunction 2 ===================== |
3845 | ============ Set contents of registers of debugged thread. =========== |
3893 | ============ Set contents of registers of debugged thread. =========== |
3846 | ====================================================================== |
3894 | ====================================================================== |
3847 | Parameters: |
3895 | Parameters: |
3848 | * eax = 69 - function number |
3896 | * eax = 69 - function number |
3849 | * ebx = 2 - subfunction number |
3897 | * ebx = 2 - subfunction number |
3850 | * ecx = thread identifier |
3898 | * ecx = thread identifier |
3851 | * edx = size of context structure, must be 0x28=40 bytes |
3899 | * edx = size of context structure, must be 0x28=40 bytes |
3852 | Returned value: |
3900 | Returned value: |
3853 | * function does not return value |
3901 | * function does not return value |
3854 | Format of context structure is shown in the description of |
3902 | Format of context structure is shown in the description of |
3855 | subfunction 1. |
3903 | subfunction 1. |
3856 | Remarks: |
3904 | Remarks: |
3857 | * If the thread executes code of ring-0, the function returns |
3905 | * If the thread executes code of ring-0, the function returns |
3858 | contents of registers of ring-3. |
3906 | contents of registers of ring-3. |
3859 | * Process must be loaded for debugging (as is shown in |
3907 | * Process must be loaded for debugging (as is shown in |
3860 | general description). |
3908 | general description). |
3861 | 3909 | ||
3862 | ====================================================================== |
3910 | ====================================================================== |
3863 | ===== Function 69, subfunction 3 - detach from debugged process. ===== |
3911 | ===== Function 69, subfunction 3 - detach from debugged process. ===== |
3864 | ====================================================================== |
3912 | ====================================================================== |
3865 | Parameters: |
3913 | Parameters: |
3866 | * eax = 69 - function number |
3914 | * eax = 69 - function number |
3867 | * ebx = 3 - subfunction number |
3915 | * ebx = 3 - subfunction number |
3868 | * ecx = identifier |
3916 | * ecx = identifier |
3869 | Returned value: |
3917 | Returned value: |
3870 | * function does not return value |
3918 | * function does not return value |
3871 | Remarks: |
3919 | Remarks: |
3872 | * If the process was suspended, it resumes execution. |
3920 | * If the process was suspended, it resumes execution. |
3873 | 3921 | ||
3874 | ====================================================================== |
3922 | ====================================================================== |
3875 | ======== Function 69, subfunction 4 - suspend debugged thread. ======= |
3923 | ======== Function 69, subfunction 4 - suspend debugged thread. ======= |
3876 | ====================================================================== |
3924 | ====================================================================== |
3877 | Parameters: |
3925 | Parameters: |
3878 | * eax = 69 - function number |
3926 | * eax = 69 - function number |
3879 | * ebx = 4 - subfunction number |
3927 | * ebx = 4 - subfunction number |
3880 | * ecx = thread identifier |
3928 | * ecx = thread identifier |
3881 | Returned value: |
3929 | Returned value: |
3882 | * function does not return value |
3930 | * function does not return value |
3883 | Remarks: |
3931 | Remarks: |
3884 | * Process must be loaded for debugging (as is shown in |
3932 | * Process must be loaded for debugging (as is shown in |
3885 | general description). |
3933 | general description). |
3886 | 3934 | ||
3887 | ====================================================================== |
3935 | ====================================================================== |
3888 | ======== Function 69, subfunction 5 - resume debugged thread. ======== |
3936 | ======== Function 69, subfunction 5 - resume debugged thread. ======== |
3889 | ====================================================================== |
3937 | ====================================================================== |
3890 | Parameters: |
3938 | Parameters: |
3891 | * eax = 69 - function number |
3939 | * eax = 69 - function number |
3892 | * ebx = 5 - subfunction number |
3940 | * ebx = 5 - subfunction number |
3893 | * ecx = thread identifier |
3941 | * ecx = thread identifier |
3894 | Returned value: |
3942 | Returned value: |
3895 | * function does not return value |
3943 | * function does not return value |
3896 | Remarks: |
3944 | Remarks: |
3897 | * Process must be loaded for debugging (as is shown in |
3945 | * Process must be loaded for debugging (as is shown in |
3898 | general description). |
3946 | general description). |
3899 | 3947 | ||
3900 | ====================================================================== |
3948 | ====================================================================== |
3901 | = Fucntion 69, subfunction 6 - read from memory of debugged process. = |
3949 | = Fucntion 69, subfunction 6 - read from memory of debugged process. = |
3902 | ====================================================================== |
3950 | ====================================================================== |
3903 | Parameters: |
3951 | Parameters: |
3904 | * eax = 69 - function number |
3952 | * eax = 69 - function number |
3905 | * ebx = 6 - subfunction number |
3953 | * ebx = 6 - subfunction number |
3906 | * ecx = identifier |
3954 | * ecx = identifier |
3907 | * edx = number of bytes to read |
3955 | * edx = number of bytes to read |
3908 | * esi = address in the memory of debugged process |
3956 | * esi = address in the memory of debugged process |
3909 | * edi = pointer to buffer for data |
3957 | * edi = pointer to buffer for data |
3910 | Returned value: |
3958 | Returned value: |
3911 | * eax = -1 at an error (invalid PID or buffer) |
3959 | * eax = -1 at an error (invalid PID or buffer) |
3912 | * otherwise eax = number of read bytes (possibly, 0, |
3960 | * otherwise eax = number of read bytes (possibly, 0, |
3913 | if esi is too large) |
3961 | if esi is too large) |
3914 | Remarks: |
3962 | Remarks: |
3915 | * Process must be loaded for debugging (as is shown in |
3963 | * Process must be loaded for debugging (as is shown in |
3916 | general description). |
3964 | general description). |
3917 | 3965 | ||
3918 | ====================================================================== |
3966 | ====================================================================== |
3919 | == Function 69, subfunction 7 - write to memory of debugged process. = |
3967 | == Function 69, subfunction 7 - write to memory of debugged process. = |
3920 | ====================================================================== |
3968 | ====================================================================== |
3921 | Parameters: |
3969 | Parameters: |
3922 | * eax = 69 - function number |
3970 | * eax = 69 - function number |
3923 | * ebx = 7 - subfunction number |
3971 | * ebx = 7 - subfunction number |
3924 | * ecx = identifier |
3972 | * ecx = identifier |
3925 | * edx = number of bytes to write |
3973 | * edx = number of bytes to write |
3926 | * esi = address of memory in debugged process |
3974 | * esi = address of memory in debugged process |
3927 | * edi = pointer to data |
3975 | * edi = pointer to data |
3928 | Returned value: |
3976 | Returned value: |
3929 | * eax = -1 at an error (invalid PID or buffer) |
3977 | * eax = -1 at an error (invalid PID or buffer) |
3930 | * otherwise eax = number of written bytes (possibly, 0, |
3978 | * otherwise eax = number of written bytes (possibly, 0, |
3931 | if esi is too large) |
3979 | if esi is too large) |
3932 | Remarks: |
3980 | Remarks: |
3933 | * Process must be loaded for debugging (as is shown in |
3981 | * Process must be loaded for debugging (as is shown in |
3934 | general description). |
3982 | general description). |
3935 | 3983 | ||
3936 | ====================================================================== |
3984 | ====================================================================== |
3937 | ======= Function 69, subfunction 8 - terminate debugged thread. ====== |
3985 | ======= Function 69, subfunction 8 - terminate debugged thread. ====== |
3938 | ====================================================================== |
3986 | ====================================================================== |
3939 | Parameters: |
3987 | Parameters: |
3940 | * eax = 69 - function number |
3988 | * eax = 69 - function number |
3941 | * ebx = 8 - subfunction number |
3989 | * ebx = 8 - subfunction number |
3942 | * ecx = identifier |
3990 | * ecx = identifier |
3943 | Returned value: |
3991 | Returned value: |
3944 | * function does not return value |
3992 | * function does not return value |
3945 | Remarks: |
3993 | Remarks: |
3946 | * Process must be loaded for debugging (as is shown in |
3994 | * Process must be loaded for debugging (as is shown in |
3947 | general description). |
3995 | general description). |
3948 | * The function is similar to subfunction 2 of function 18 |
3996 | * The function is similar to subfunction 2 of function 18 |
3949 | with two differences: it requires first remark and |
3997 | with two differences: it requires first remark and |
3950 | accepts PID rather than slot number. |
3998 | accepts PID rather than slot number. |
3951 | 3999 | ||
3952 | ====================================================================== |
4000 | ====================================================================== |
3953 | ===== Function 69, subfunction 9 - set/clear hardware breakpoint. ==== |
4001 | ===== Function 69, subfunction 9 - set/clear hardware breakpoint. ==== |
3954 | ====================================================================== |
4002 | ====================================================================== |
3955 | Parameters: |
4003 | Parameters: |
3956 | * eax = 69 - function number |
4004 | * eax = 69 - function number |
3957 | * ebx = 9 - subfunction number |
4005 | * ebx = 9 - subfunction number |
3958 | * ecx = thread identifier |
4006 | * ecx = thread identifier |
3959 | * dl = index of breakpoint, from 0 to 3 inclusively |
4007 | * dl = index of breakpoint, from 0 to 3 inclusively |
3960 | * dh = flags: |
4008 | * dh = flags: |
3961 | * if high bit is cleared - set breakpoint: |
4009 | * if high bit is cleared - set breakpoint: |
3962 | * bits 0-1 - condition: |
4010 | * bits 0-1 - condition: |
3963 | * 00 = breakpoint on execution |
4011 | * 00 = breakpoint on execution |
3964 | * 01 = breakpoint on read |
4012 | * 01 = breakpoint on read |
3965 | * 11 = breakpoint on read/write |
4013 | * 11 = breakpoint on read/write |
3966 | * bits 2-3 - length; for breakpoints on exception it must be |
4014 | * bits 2-3 - length; for breakpoints on exception it must be |
3967 | 00, otherwise one of |
4015 | 00, otherwise one of |
3968 | * 00 = byte |
4016 | * 00 = byte |
3969 | * 01 = word |
4017 | * 01 = word |
3970 | * 11 = dword |
4018 | * 11 = dword |
3971 | * esi = breakpoint address; must be aligned according to |
4019 | * esi = breakpoint address; must be aligned according to |
3972 | the length (i.e. must be even for word breakpoints, |
4020 | the length (i.e. must be even for word breakpoints, |
3973 | divisible by 4 for dword) |
4021 | divisible by 4 for dword) |
3974 | * if high bit is set - clear breakpoint |
4022 | * if high bit is set - clear breakpoint |
3975 | Returned value: |
4023 | Returned value: |
3976 | * eax = 0 - success |
4024 | * eax = 0 - success |
3977 | * eax = 1 - error in the input data |
4025 | * eax = 1 - error in the input data |
3978 | * eax = 2 - (reserved, is never returned in the current |
4026 | * eax = 2 - (reserved, is never returned in the current |
3979 | implementation) a global breakpoint with that index is already set |
4027 | implementation) a global breakpoint with that index is already set |
3980 | Remarks: |
4028 | Remarks: |
3981 | * Process must be loaded for debugging (as is shown in |
4029 | * Process must be loaded for debugging (as is shown in |
3982 | general description). |
4030 | general description). |
3983 | * Hardware breakpoints are implemented through DRx-registers of |
4031 | * Hardware breakpoints are implemented through DRx-registers of |
3984 | the processor, all limitations results from this. |
4032 | the processor, all limitations results from this. |
3985 | * The function can reinstall the breakpoint, previously set |
4033 | * The function can reinstall the breakpoint, previously set |
3986 | by it (and it does not inform on this). |
4034 | by it (and it does not inform on this). |
3987 | Carry on the list of set breakpoints in the debugger. |
4035 | Carry on the list of set breakpoints in the debugger. |
3988 | * Breakpoints generate debug exception #DB, on which the system |
4036 | * Breakpoints generate debug exception #DB, on which the system |
3989 | notifies debugger. |
4037 | notifies debugger. |
3990 | * Breakpoints on write and read/write act after |
4038 | * Breakpoints on write and read/write act after |
3991 | execution of the caused it instruction. |
4039 | execution of the caused it instruction. |
3992 | 4040 | ||
3993 | ====================================================================== |
4041 | ====================================================================== |
3994 | ==== Function 70 - work with file system with long names support. ==== |
4042 | ==== Function 70 - work with file system with long names support. ==== |
3995 | ====================================================================== |
4043 | ====================================================================== |
3996 | Parameters: |
4044 | Parameters: |
3997 | * eax = 70 |
4045 | * eax = 70 |
3998 | * ebx = pointer to the information structure |
4046 | * ebx = pointer to the information structure |
3999 | Returned value: |
4047 | Returned value: |
4000 | * eax = 0 - success; otherwise file system error code |
4048 | * eax = 0 - success; otherwise file system error code |
4001 | * some subfunctions return value in other registers too |
4049 | * some subfunctions return value in other registers too |
4002 | General format of the information structure: |
4050 | General format of the information structure: |
4003 | * +0: dword: subfunction number |
4051 | * +0: dword: subfunction number |
4004 | * +4: dword: file offset |
4052 | * +4: dword: file offset |
4005 | * +8: dword: high dword of offset (must be 0) or flags field |
4053 | * +8: dword: high dword of offset (must be 0) or flags field |
4006 | * +12 = +0xC: dword: size |
4054 | * +12 = +0xC: dword: size |
4007 | * +16 = +0x10: dword: pointer to data |
4055 | * +16 = +0x10: dword: pointer to data |
4008 | * +20 = +0x14: n db: ASCIIZ-string with the filename |
4056 | * +20 = +0x14: n db: ASCIIZ-string with the filename |
4009 | or |
4057 | or |
4010 | * +20 = +0x14: db 0 |
4058 | * +20 = +0x14: db 0 |
4011 | * +21 = +0x15: dd pointer to ASCIIZ-string with the filename |
4059 | * +21 = +0x15: dd pointer to ASCIIZ-string with the filename |
4012 | Specifications - in documentation on the appropriate subfunction. |
4060 | Specifications - in documentation on the appropriate subfunction. |
4013 | Filename is case-insensitive. Russian letters must be written in |
4061 | Filename is case-insensitive. Russian letters must be written in |
4014 | the encoding cp866 (DOS). |
4062 | the encoding cp866 (DOS). |
4015 | Format of filename: |
4063 | Format of filename: |
4016 | /base/number/dir1/dir2/.../dirn/file, |
4064 | /base/number/dir1/dir2/.../dirn/file, |
4017 | where /base/number identifies device, on which file is located: |
4065 | where /base/number identifies device, on which file is located: |
4018 | one of |
4066 | one of |
4019 | * /RD/1 = /RAMDISK/1 to access ramdisk |
4067 | * /RD/1 = /RAMDISK/1 to access ramdisk |
4020 | * /FD/1 = /FLOPPYDISK/1 to access first floppy drive, |
4068 | * /FD/1 = /FLOPPYDISK/1 to access first floppy drive, |
4021 | /FD/2 = /FLOPPYDISK/2 to access second one |
4069 | /FD/2 = /FLOPPYDISK/2 to access second one |
4022 | * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices |
4070 | * /HD0/x, /HD1/x, /HD2/x, /HD3/x to access accordingly to devices |
4023 | IDE0 (Primary Master), IDE1 (Primary Slave), |
4071 | IDE0 (Primary Master), IDE1 (Primary Slave), |
4024 | IDE2 (Secondary Master), IDE3 (Secondary Slave); |
4072 | IDE2 (Secondary Master), IDE3 (Secondary Slave); |
4025 | x - partition number on the selected hard drive, varies from 1 |
4073 | x - partition number on the selected hard drive, varies from 1 |
4026 | to 255 (on each hard drive the indexing starts from 1) |
4074 | to 255 (on each hard drive the indexing starts from 1) |
4027 | * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to |
4075 | * /CD0/1, /CD1/1, /CD2/1, /CD3/1 to access accordingly to |
4028 | CD on IDE0 (Primary Master), IDE1 (Primary Slave), |
4076 | CD on IDE0 (Primary Master), IDE1 (Primary Slave), |
4029 | IDE2 (Secondary Master), IDE3 (Secondary Slave) |
4077 | IDE2 (Secondary Master), IDE3 (Secondary Slave) |
4030 | Examples: |
4078 | Examples: |
4031 | * '/rd/1/kernel.asm',0 |
4079 | * '/rd/1/kernel.asm',0 |
4032 | * '/HD0/1/kernel.asm',0 |
4080 | * '/HD0/1/kernel.asm',0 |
4033 | * '/hd0/2/menuet/pics/tanzania.bmp',0 |
4081 | * '/hd0/2/menuet/pics/tanzania.bmp',0 |
4034 | * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0 |
4082 | * '/hd0/1/Program files/NameOfProgram/SomeFile.SomeExtension',0 |
4035 | Available subfunctions: |
4083 | Available subfunctions: |
4036 | * subfunction 0 - read file |
4084 | * subfunction 0 - read file |
4037 | * subfunction 1 - read folder |
4085 | * subfunction 1 - read folder |
4038 | * subfunction 2 - create/rewrite file |
4086 | * subfunction 2 - create/rewrite file |
4039 | * subfunction 5 - get attributes of file/folder |
4087 | * subfunction 5 - get attributes of file/folder |
4040 | * subfunction 6 - set attributes of file/folder |
4088 | * subfunction 6 - set attributes of file/folder |
4041 | * subfunction 7 - start application |
4089 | * subfunction 7 - start application |
4042 | For CD-drives due to hardware limitations only subfunctions |
4090 | For CD-drives due to hardware limitations only subfunctions |
4043 | 0,1,5 and 7 are available, other subfunctions return error |
4091 | 0,1,5 and 7 are available, other subfunctions return error |
4044 | with code 2. |
4092 | with code 2. |
4045 | 4093 | ||
4046 | ====================================================================== |
4094 | ====================================================================== |
4047 | === Function 70, subfunction 0 - read file with long names support. == |
4095 | === Function 70, subfunction 0 - read file with long names support. == |
4048 | ====================================================================== |
4096 | ====================================================================== |
4049 | Parameters: |
4097 | Parameters: |
4050 | * eax = 70 - function number |
4098 | * eax = 70 - function number |
4051 | * ebx = pointer to the information structure |
4099 | * ebx = pointer to the information structure |
4052 | Format of the information structure: |
4100 | Format of the information structure: |
4053 | * +0: dword: 0 = subfunction number |
4101 | * +0: dword: 0 = subfunction number |
4054 | * +4: dword: file offset (in bytes) |
4102 | * +4: dword: file offset (in bytes) |
4055 | * +8: dword: 0 (reserved for high dword of offset) |
4103 | * +8: dword: 0 (reserved for high dword of offset) |
4056 | * +12 = +0xC: dword: number of bytes to read |
4104 | * +12 = +0xC: dword: number of bytes to read |
4057 | * +16 = +0x10: dword: pointer to buffer for data |
4105 | * +16 = +0x10: dword: pointer to buffer for data |
4058 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4106 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4059 | given in the general description |
4107 | given in the general description |
4060 | or |
4108 | or |
4061 | * +20 = +0x14: db 0 |
4109 | * +20 = +0x14: db 0 |
4062 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4110 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4063 | Returned value: |
4111 | Returned value: |
4064 | * eax = 0 - success, otherwise file system error code |
4112 | * eax = 0 - success, otherwise file system error code |
4065 | * ebx = number of read bytes or -1=0xffffffff if file was not found |
4113 | * ebx = number of read bytes or -1=0xffffffff if file was not found |
4066 | Remarks: |
4114 | Remarks: |
4067 | * If file was ended before last requested block was read, |
4115 | * If file was ended before last requested block was read, |
4068 | the function will read as many as it can, and after that return |
4116 | the function will read as many as it can, and after that return |
4069 | eax=6 (EOF). |
4117 | eax=6 (EOF). |
4070 | * The function does not allow to read folder (returns eax=10, |
4118 | * The function does not allow to read folder (returns eax=10, |
4071 | access denied). |
4119 | access denied). |
4072 | 4120 | ||
4073 | ====================================================================== |
4121 | ====================================================================== |
4074 | == Function 70, subfunction 1 - read folder with long names support. = |
4122 | == Function 70, subfunction 1 - read folder with long names support. = |
4075 | ====================================================================== |
4123 | ====================================================================== |
4076 | Parameters: |
4124 | Parameters: |
4077 | * eax = 70 - function number |
4125 | * eax = 70 - function number |
4078 | * ebx = pointer to the information structure |
4126 | * ebx = pointer to the information structure |
4079 | Format of the information structure: |
4127 | Format of the information structure: |
4080 | * +0: dword: 1 = subfunction number |
4128 | * +0: dword: 1 = subfunction number |
4081 | * +4: dword: index of starting block (beginning from 0) |
4129 | * +4: dword: index of starting block (beginning from 0) |
4082 | * +8: dword: flags field: |
4130 | * +8: dword: flags field: |
4083 | * bit 0 (mask 1): in what format to return names, |
4131 | * bit 0 (mask 1): in what format to return names, |
4084 | 0=ANSI, 1=UNICODE |
4132 | 0=ANSI, 1=UNICODE |
4085 | * other bits are reserved and must be set to 0 for the future |
4133 | * other bits are reserved and must be set to 0 for the future |
4086 | compatibility |
4134 | compatibility |
4087 | * +12 = +0xC: dword: number of blocks to read |
4135 | * +12 = +0xC: dword: number of blocks to read |
4088 | * +16 = +0x10: dword: pointer to buffer for data, buffer size |
4136 | * +16 = +0x10: dword: pointer to buffer for data, buffer size |
4089 | must be not less than 32 + [+12]*560 bytes |
4137 | must be not less than 32 + [+12]*560 bytes |
4090 | * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are |
4138 | * +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are |
4091 | given in the general description |
4139 | given in the general description |
4092 | or |
4140 | or |
4093 | * +20 = +0x14: db 0 |
4141 | * +20 = +0x14: db 0 |
4094 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4142 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4095 | Returned value: |
4143 | Returned value: |
4096 | * eax = 0 - success, otherwise file system error code |
4144 | * eax = 0 - success, otherwise file system error code |
4097 | * ebx = number of files, information on which was written to |
4145 | * ebx = number of files, information on which was written to |
4098 | the buffer, or -1=0xffffffff, if folder was not found |
4146 | the buffer, or -1=0xffffffff, if folder was not found |
4099 | Structure of the buffer: |
4147 | Structure of the buffer: |
4100 | * +0: 32*byte: header |
4148 | * +0: 32*byte: header |
4101 | * +32 = +0x20: n1*byte: block with information on file 1 |
4149 | * +32 = +0x20: n1*byte: block with information on file 1 |
4102 | * +32+n1: n2*byte: block with information on file 2 |
4150 | * +32+n1: n2*byte: block with information on file 2 |
4103 | * ... |
4151 | * ... |
4104 | Structure of header: |
4152 | Structure of header: |
4105 | * +0: dword: version of structure (current is 1) |
4153 | * +0: dword: version of structure (current is 1) |
4106 | * +4: dword: number of placed blocks; is not greater than requested |
4154 | * +4: dword: number of placed blocks; is not greater than requested |
4107 | in the field +12 of information structure; can be less, if |
4155 | in the field +12 of information structure; can be less, if |
4108 | there are no more files in folder (the same as in ebx) |
4156 | there are no more files in folder (the same as in ebx) |
4109 | * +8: dword: total number of files in folder |
4157 | * +8: dword: total number of files in folder |
4110 | * +12 = +0xC: 20*byte: reserved (zeroed) |
4158 | * +12 = +0xC: 20*byte: reserved (zeroed) |
4111 | Structure of block of data for folder entry (BDFE): |
4159 | Structure of block of data for folder entry (BDFE): |
4112 | * +0: dword: attributes of file: |
4160 | * +0: dword: attributes of file: |
4113 | * bit 0 (mask 1): file is read-only |
4161 | * bit 0 (mask 1): file is read-only |
4114 | * bit 1 (mask 2): file is hidden |
4162 | * bit 1 (mask 2): file is hidden |
4115 | * bit 2 (mask 4): file is system |
4163 | * bit 2 (mask 4): file is system |
4116 | * bit 3 (mask 8): this is not a file but volume label |
4164 | * bit 3 (mask 8): this is not a file but volume label |
4117 | (for one partition meets no more than once and |
4165 | (for one partition meets no more than once and |
4118 | only in root folder) |
4166 | only in root folder) |
4119 | * bit 4 (mask 0x10): this is a folder |
4167 | * bit 4 (mask 0x10): this is a folder |
4120 | * bit 5 (mask 0x20): file was not archived - many archivation |
4168 | * bit 5 (mask 0x20): file was not archived - many archivation |
4121 | programs have an option to archive only files with this bit set, |
4169 | programs have an option to archive only files with this bit set, |
4122 | and after archiving this bit is cleared - it can be useful |
4170 | and after archiving this bit is cleared - it can be useful |
4123 | for automatically creating of backup-archives as at writing |
4171 | for automatically creating of backup-archives as at writing |
4124 | this bit is usually set |
4172 | this bit is usually set |
4125 | * +4: byte: type of name data: |
4173 | * +4: byte: type of name data: |
4126 | (coincides with bit 0 of flags in the information structure) |
4174 | (coincides with bit 0 of flags in the information structure) |
4127 | * 0 = ASCII = 1-byte representation of each character |
4175 | * 0 = ASCII = 1-byte representation of each character |
4128 | * 1 = UNICODE = 2-byte representation of each character |
4176 | * 1 = UNICODE = 2-byte representation of each character |
4129 | * +5: 3*byte: reserved (zero) |
4177 | * +5: 3*byte: reserved (zero) |
4130 | * +8: 4*byte: time of file creation |
4178 | * +8: 4*byte: time of file creation |
4131 | * +12 = +0xC: 4*byte: date of file creation |
4179 | * +12 = +0xC: 4*byte: date of file creation |
4132 | * +16 = +0x10: 4*byte: time of last access (read or write) |
4180 | * +16 = +0x10: 4*byte: time of last access (read or write) |
4133 | * +20 = +0x14: 4*byte: date of last access |
4181 | * +20 = +0x14: 4*byte: date of last access |
4134 | * +24 = +0x18: 4*byte: time of last modification |
4182 | * +24 = +0x18: 4*byte: time of last modification |
4135 | * +28 = +0x1C: 4*byte: date of last modification |
4183 | * +28 = +0x1C: 4*byte: date of last modification |
4136 | * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb) |
4184 | * +32 = +0x20: qword: file size in bytes (up to 16777216 Tb) |
4137 | * +40 = +0x28: name |
4185 | * +40 = +0x28: name |
4138 | * for ASCII format: maximum length is 263 characters |
4186 | * for ASCII format: maximum length is 263 characters |
4139 | (263 bytes), byte after the name has value 0 |
4187 | (263 bytes), byte after the name has value 0 |
4140 | * äëÿ ôîðìàòà UNICODE: maximum length is 259 characters |
4188 | * äëÿ ôîðìàòà UNICODE: maximum length is 259 characters |
4141 | (518 bytes), 2 bytes after the name have value 0 |
4189 | (518 bytes), 2 bytes after the name have value 0 |
4142 | Time format: |
4190 | Time format: |
4143 | * +0: byte: seconds |
4191 | * +0: byte: seconds |
4144 | * +1: byte: minutes |
4192 | * +1: byte: minutes |
4145 | * +2: byte: hours |
4193 | * +2: byte: hours |
4146 | * +3: byte: reserved (0) |
4194 | * +3: byte: reserved (0) |
4147 | * for example, 23.59.59 is written as (in hex) 3B 3B 17 00 |
4195 | * for example, 23.59.59 is written as (in hex) 3B 3B 17 00 |
4148 | Date format: |
4196 | Date format: |
4149 | * +0: byte: day |
4197 | * +0: byte: day |
4150 | * +1: byte: month |
4198 | * +1: byte: month |
4151 | * +2: word: year |
4199 | * +2: word: year |
4152 | * for example, 25.11.1979 is written as (in hex) 19 0B BB 07 |
4200 | * for example, 25.11.1979 is written as (in hex) 19 0B BB 07 |
4153 | Remarks: |
4201 | Remarks: |
4154 | * If BDFE contains ASCII name, the length of BDFE is 304 bytes, |
4202 | * If BDFE contains ASCII name, the length of BDFE is 304 bytes, |
4155 | if UNICODE name - 560 bytes. Value of length is aligned |
4203 | if UNICODE name - 560 bytes. Value of length is aligned |
4156 | on 16-byte bound (to accelerate processing in CPU cache). |
4204 | on 16-byte bound (to accelerate processing in CPU cache). |
4157 | * First character after a name is zero (ASCIIZ-string). The further |
4205 | * First character after a name is zero (ASCIIZ-string). The further |
4158 | data contain garbage. |
4206 | data contain garbage. |
4159 | * If files in folder were ended before requested number was read, |
4207 | * If files in folder were ended before requested number was read, |
4160 | the function will read as many as it can, and after that return |
4208 | the function will read as many as it can, and after that return |
4161 | eax=6 (EOF). |
4209 | eax=6 (EOF). |
4162 | * Any folder on the disk, except for root, contains two special |
4210 | * Any folder on the disk, except for root, contains two special |
4163 | entries "." and "..", identifying accordingly the folder itself |
4211 | entries "." and "..", identifying accordingly the folder itself |
4164 | and the parent folder. |
4212 | and the parent folder. |
4165 | * The function allows also to read virtual folders "/", "/rd", |
4213 | * The function allows also to read virtual folders "/", "/rd", |
4166 | "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10, |
4214 | "/fd", "/hd[n]", thus attributes of subfolders are set to 0x10, |
4167 | and times and dates are zeroed. An alternative way to get the |
4215 | and times and dates are zeroed. An alternative way to get the |
4168 | equipment information - subfunction 11 of function 18. |
4216 | equipment information - subfunction 11 of function 18. |
4169 | 4217 | ||
4170 | ====================================================================== |
4218 | ====================================================================== |
4171 | ===================== Function 70, subfunction 2 ===================== |
4219 | ===================== Function 70, subfunction 2 ===================== |
4172 | ============ Create/rewrite file with long names support. ============ |
4220 | ============ Create/rewrite file with long names support. ============ |
4173 | ====================================================================== |
4221 | ====================================================================== |
4174 | Parameters: |
4222 | Parameters: |
4175 | * eax = 70 - function number |
4223 | * eax = 70 - function number |
4176 | * ebx = pointer to the information structure |
4224 | * ebx = pointer to the information structure |
4177 | Format of the information structure: |
4225 | Format of the information structure: |
4178 | * +0: dword: 2 = subfunction number |
4226 | * +0: dword: 2 = subfunction number |
4179 | * +4: dword: 0 (reserved) |
4227 | * +4: dword: 0 (reserved) |
4180 | * +8: dword: 0 (reserved) |
4228 | * +8: dword: 0 (reserved) |
4181 | * +12 = +0xC: dword: number of bytes to read |
4229 | * +12 = +0xC: dword: number of bytes to read |
4182 | * +16 = +0x10: dword: pointer to data |
4230 | * +16 = +0x10: dword: pointer to data |
4183 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4231 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4184 | given in the general description |
4232 | given in the general description |
4185 | or |
4233 | or |
4186 | * +20 = +0x14: db 0 |
4234 | * +20 = +0x14: db 0 |
4187 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4235 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4188 | Returned value: |
4236 | Returned value: |
4189 | * eax = 0 - success, otherwise file system error code |
4237 | * eax = 0 - success, otherwise file system error code |
4190 | * ebx = number of written bytes (possibly 0) |
4238 | * ebx = number of written bytes (possibly 0) |
4191 | Remarks: |
4239 | Remarks: |
4192 | * If a file with given name did not exist, it is created; |
4240 | * If a file with given name did not exist, it is created; |
4193 | if it existed, it is rewritten. |
4241 | if it existed, it is rewritten. |
4194 | * If there is not enough free space on disk, the function will |
4242 | * If there is not enough free space on disk, the function will |
4195 | write as many as can and then return error code 8. |
4243 | write as many as can and then return error code 8. |
4196 | * The function is not supported for CD (returns error code 2). |
4244 | * The function is not supported for CD (returns error code 2). |
4197 | 4245 | ||
4198 | ====================================================================== |
4246 | ====================================================================== |
4199 | ==== Function 70, subfunction 5 - get information on file/folder. ==== |
4247 | ==== Function 70, subfunction 5 - get information on file/folder. ==== |
4200 | ====================================================================== |
4248 | ====================================================================== |
4201 | Parameters: |
4249 | Parameters: |
4202 | * eax = 70 - function number |
4250 | * eax = 70 - function number |
4203 | * ebx = pointer to the information structure |
4251 | * ebx = pointer to the information structure |
4204 | Format of the information structure: |
4252 | Format of the information structure: |
4205 | * +0: dword: 5 = subfunction number |
4253 | * +0: dword: 5 = subfunction number |
4206 | * +4: dword: 0 (reserved) |
4254 | * +4: dword: 0 (reserved) |
4207 | * +8: dword: 0 (reserved) |
4255 | * +8: dword: 0 (reserved) |
4208 | * +12 = +0xC: dword: 0 (reserved) |
4256 | * +12 = +0xC: dword: 0 (reserved) |
4209 | * +16 = +0x10: dword: pointer to buffer for data (40 bytes) |
4257 | * +16 = +0x10: dword: pointer to buffer for data (40 bytes) |
4210 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4258 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4211 | given in the general description |
4259 | given in the general description |
4212 | or |
4260 | or |
4213 | * +20 = +0x14: db 0 |
4261 | * +20 = +0x14: db 0 |
4214 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4262 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4215 | Returned value: |
4263 | Returned value: |
4216 | * eax = 0 - success, otherwise file system error code |
4264 | * eax = 0 - success, otherwise file system error code |
4217 | * ebx destroyed |
4265 | * ebx destroyed |
4218 | Information on file is returned in the BDFE format (block of data |
4266 | Information on file is returned in the BDFE format (block of data |
4219 | for folder entry), explained in the description of |
4267 | for folder entry), explained in the description of |
4220 | subfunction 1, but without filename |
4268 | subfunction 1, but without filename |
4221 | (i.e. only first 40 = 0x28 bytes). |
4269 | (i.e. only first 40 = 0x28 bytes). |
4222 | Remarks: |
4270 | Remarks: |
4223 | * The function does not support virtual folders such as /, /rd and |
4271 | * The function does not support virtual folders such as /, /rd and |
4224 | root folders like /rd/1. |
4272 | root folders like /rd/1. |
4225 | 4273 | ||
4226 | ====================================================================== |
4274 | ====================================================================== |
4227 | ===== Function 70, subfunction 6 - set attributes of file/folder. ==== |
4275 | ===== Function 70, subfunction 6 - set attributes of file/folder. ==== |
4228 | ====================================================================== |
4276 | ====================================================================== |
4229 | Parameters: |
4277 | Parameters: |
4230 | * eax = 70 - function number |
4278 | * eax = 70 - function number |
4231 | * ebx = pointer to the information structure |
4279 | * ebx = pointer to the information structure |
4232 | Format of the information structure: |
4280 | Format of the information structure: |
4233 | * +0: dword: 6 = subfunction number |
4281 | * +0: dword: 6 = subfunction number |
4234 | * +4: dword: 0 (reserved) |
4282 | * +4: dword: 0 (reserved) |
4235 | * +8: dword: 0 (reserved) |
4283 | * +8: dword: 0 (reserved) |
4236 | * +12 = +0xC: dword: 0 (reserved) |
4284 | * +12 = +0xC: dword: 0 (reserved) |
4237 | * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes) |
4285 | * +16 = +0x10: dword: pointer to buffer with attributes (32 bytes) |
4238 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4286 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4239 | given in the general description |
4287 | given in the general description |
4240 | or |
4288 | or |
4241 | * +20 = +0x14: db 0 |
4289 | * +20 = +0x14: db 0 |
4242 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4290 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4243 | Returned value: |
4291 | Returned value: |
4244 | * eax = 0 - success, otherwise file system error code |
4292 | * eax = 0 - success, otherwise file system error code |
4245 | * ebx destroyed |
4293 | * ebx destroyed |
4246 | File attributes are first 32 bytes in BDFE (block of data |
4294 | File attributes are first 32 bytes in BDFE (block of data |
4247 | for folder entry), explained in the description of subfunction 1 |
4295 | for folder entry), explained in the description of subfunction 1 |
4248 | (that is, without name and size of file). Attribute |
4296 | (that is, without name and size of file). Attribute |
4249 | file/folder/volume label (bits 3,4 in dword +0) is not changed. |
4297 | file/folder/volume label (bits 3,4 in dword +0) is not changed. |
4250 | Byte +4 (name format) is ignored. |
4298 | Byte +4 (name format) is ignored. |
4251 | Remarks: |
4299 | Remarks: |
4252 | * The function does not support virtual folders such as /, /rd and |
4300 | * The function does not support virtual folders such as /, /rd and |
4253 | root folders like /rd/1. |
4301 | root folders like /rd/1. |
4254 | * The function is not supported for CD (returns error code 2). |
4302 | * The function is not supported for CD (returns error code 2). |
4255 | 4303 | ||
4256 | ====================================================================== |
4304 | ====================================================================== |
4257 | =========== Function 70, subfunction 7 - start application. ========== |
4305 | =========== Function 70, subfunction 7 - start application. ========== |
4258 | ====================================================================== |
4306 | ====================================================================== |
4259 | Parameters: |
4307 | Parameters: |
4260 | * eax = 70 - function number |
4308 | * eax = 70 - function number |
4261 | * ebx = pointer to the information structure |
4309 | * ebx = pointer to the information structure |
4262 | Format of the information structure: |
4310 | Format of the information structure: |
4263 | * +0: dword: 7 = subfunction number |
4311 | * +0: dword: 7 = subfunction number |
4264 | * +4: dword: flags field: |
4312 | * +4: dword: flags field: |
4265 | * áèò 0: start process as debugged |
4313 | * áèò 0: start process as debugged |
4266 | * other bits are reserved and must be set to 0 |
4314 | * other bits are reserved and must be set to 0 |
4267 | * +8: dword: 0 or pointer to ASCIIZ-string with parameters |
4315 | * +8: dword: 0 or pointer to ASCIIZ-string with parameters |
4268 | * +12 = +0xC: dword: 0 (reserved) |
4316 | * +12 = +0xC: dword: 0 (reserved) |
4269 | * +16 = +0x10: dword: 0 (reserved) |
4317 | * +16 = +0x10: dword: 0 (reserved) |
4270 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4318 | * +20 = +0x14: ASCIIZ-name of file, the rules of names forming are |
4271 | given in the general description |
4319 | given in the general description |
4272 | or |
4320 | or |
4273 | * +20 = +0x14: db 0 |
4321 | * +20 = +0x14: db 0 |
4274 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4322 | * +21 = +0x15: dd pointer to ASCIIZ-string with file name |
4275 | Returned value: |
4323 | Returned value: |
4276 | * eax > 0 - program is loaded, eax contains PID |
4324 | * eax > 0 - program is loaded, eax contains PID |
4277 | * eax < 0 - an error has occured, -eax contains |
4325 | * eax < 0 - an error has occured, -eax contains |
4278 | file system error code |
4326 | file system error code |
4279 | * ebx destroyed |
4327 | * ebx destroyed |
4280 | Remarks: |
4328 | Remarks: |
4281 | * Command line must be terminated by the character with the code 0 |
4329 | * Command line must be terminated by the character with the code 0 |
4282 | (ASCIIZ-string); function takes into account either all characters |
4330 | (ASCIIZ-string); function takes into account either all characters |
4283 | up to terminating zero inclusively or first 256 character |
4331 | up to terminating zero inclusively or first 256 character |
4284 | regarding what is less. |
4332 | regarding what is less. |
4285 | * If the process is started as debugged, it is created in |
4333 | * If the process is started as debugged, it is created in |
4286 | the suspended state; to run use subfunction 5 of function 69. |
4334 | the suspended state; to run use subfunction 5 of function 69. |
4287 | 4335 | ||
4288 | ====================================================================== |
4336 | ====================================================================== |
4289 | ========== Function 71, subfunction 1 - set window caption. ========== |
4337 | ========== Function 71, subfunction 1 - set window caption. ========== |
4290 | ====================================================================== |
4338 | ====================================================================== |
4291 | Parameters: |
4339 | Parameters: |
4292 | * eax = 71 - function number |
4340 | * eax = 71 - function number |
4293 | * ebx = 1 - subfunction number |
4341 | * ebx = 1 - subfunction number |
4294 | * ecx = pointer to caption string |
4342 | * ecx = pointer to caption string |
4295 | Returned value: |
4343 | Returned value: |
4296 | * function does not return value |
4344 | * function does not return value |
4297 | Remarks: |
4345 | Remarks: |
4298 | * String must be in the ASCIIZ-format. Disregarding real string |
4346 | * String must be in the ASCIIZ-format. Disregarding real string |
4299 | length, no more than 255 characters are drawn. |
4347 | length, no more than 255 characters are drawn. |
4300 | * Pass NULL in ecx to remove caption. |
4348 | * Pass NULL in ecx to remove caption. |
4301 | 4349 | ||
4302 | ====================================================================== |
4350 | ====================================================================== |
4303 | =============== Function -1 - terminate thread/process =============== |
4351 | =============== Function -1 - terminate thread/process =============== |
4304 | ====================================================================== |
4352 | ====================================================================== |
4305 | Parameters: |
4353 | Parameters: |
4306 | * eax = -1 - function number |
4354 | * eax = -1 - function number |
4307 | Returned value: |
4355 | Returned value: |
4308 | * function does not return neither value nor control |
4356 | * function does not return neither value nor control |
4309 | Remarks: |
4357 | Remarks: |
4310 | * If the process did not create threads obviously, it has only |
4358 | * If the process did not create threads obviously, it has only |
4311 | one thread, which termination results in process termination. |
4359 | one thread, which termination results in process termination. |
4312 | * If the current thread is last in the process, its termination |
4360 | * If the current thread is last in the process, its termination |
4313 | also results in process terminates. |
4361 | also results in process terminates. |
4314 | * This function terminates the current thread. Other thread can be |
4362 | * This function terminates the current thread. Other thread can be |
4315 | killed by call to subfunction 2 of function 18. |
4363 | killed by call to subfunction 2 of function 18. |
4316 | 4364 | ||
4317 | ====================================================================== |
4365 | ====================================================================== |
4318 | =========================== List of events =========================== |
4366 | =========================== List of events =========================== |
4319 | ====================================================================== |
4367 | ====================================================================== |
4320 | Next event can be retrieved by the call of one from functions 10 |
4368 | Next event can be retrieved by the call of one from functions 10 |
4321 | (to wait for event), 11 (to check without waiting), 23 |
4369 | (to wait for event), 11 (to check without waiting), 23 |
4322 | (to wait during the given time). |
4370 | (to wait during the given time). |
4323 | These functions return only those events, which enter into a mask set |
4371 | These functions return only those events, which enter into a mask set |
4324 | by function 40. By default it is first three, |
4372 | by function 40. By default it is first three, |
4325 | there is enough for most applications. |
4373 | there is enough for most applications. |
4326 | Codes of events: |
4374 | Codes of events: |
4327 | * 1 = redraw event (is reset by call to function 0) |
4375 | * 1 = redraw event (is reset by call to function 0) |
4328 | * 2 = key on keyboard is pressed (acts, only when the window is |
4376 | * 2 = key on keyboard is pressed (acts, only when the window is |
4329 | active) or hotkey is pressed; is reset, when all keys from |
4377 | active) or hotkey is pressed; is reset, when all keys from |
4330 | the buffer are read out by function 2 |
4378 | the buffer are read out by function 2 |
4331 | * 3 = button is pressed, defined earlier by function 8 |
4379 | * 3 = button is pressed, defined earlier by function 8 |
4332 | (or close button, created implicitly by function 0; |
4380 | (or close button, created implicitly by function 0; |
4333 | minimize button is handled by the system and sends no message; |
4381 | minimize button is handled by the system and sends no message; |
4334 | acts, only when the window is active; |
4382 | acts, only when the window is active; |
4335 | is reset when all buttons from the buffer |
4383 | is reset when all buttons from the buffer |
4336 | are read out by function 17) |
4384 | are read out by function 17) |
4337 | * 4 = reserved (in current implementation never comes even after |
4385 | * 4 = reserved (in current implementation never comes even after |
4338 | unmasking by function 40) |
4386 | unmasking by function 40) |
4339 | * 5 = the desktop background is redrawed (is reset automatically |
4387 | * 5 = the desktop background is redrawed (is reset automatically |
4340 | after redraw, so if in redraw time program does not wait and |
4388 | after redraw, so if in redraw time program does not wait and |
4341 | does not check events, it will not remark this event) |
4389 | does not check events, it will not remark this event) |
4342 | * 6 = mouse event (something happened - button pressing or moving; |
4390 | * 6 = mouse event (something happened - button pressing or moving; |
4343 | is reset at reading) |
4391 | is reset at reading) |
4344 | * 7 = IPC event (see function 60 - |
4392 | * 7 = IPC event (see function 60 - |
4345 | Inter Process Communication; is reset at reading) |
4393 | Inter Process Communication; is reset at reading) |
4346 | * 8 = network event (is reset at reading) |
4394 | * 8 = network event (is reset at reading) |
4347 | * 9 = debug event (is reset at reading; see |
4395 | * 9 = debug event (is reset at reading; see |
4348 | debug subsystem) |
4396 | debug subsystem) |
4349 | * 16..31 = event with appropriate IRQ |
4397 | * 16..31 = event with appropriate IRQ |
4350 | (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data) |
4398 | (16=IRQ0, 31=IRQ15) (is reset after reading all IRQ data) |
4351 | 4399 | ||
4352 | ====================================================================== |
4400 | ====================================================================== |
4353 | =================== Error codes of the file system =================== |
4401 | =================== Error codes of the file system =================== |
4354 | ====================================================================== |
4402 | ====================================================================== |
4355 | * 0 = success |
4403 | * 0 = success |
4356 | * 1 = base and/or partition of a hard disk is not defined |
4404 | * 1 = base and/or partition of a hard disk is not defined |
4357 | (by subfunctions 7, 8 of function 21) |
4405 | (by subfunctions 7, 8 of function 21) |
4358 | * 2 = function is not supported for the given file system |
4406 | * 2 = function is not supported for the given file system |
4359 | * 3 = unknown file system |
4407 | * 3 = unknown file system |
4360 | * 4 = is returned only from function 'rename' by transmission of |
4408 | * 4 = is returned only from function 'rename' by transmission of |
4361 | the strongly incorrect parameter and in any way does not |
4409 | the strongly incorrect parameter and in any way does not |
4362 | correspond to the description in the kernel sources |
4410 | correspond to the description in the kernel sources |
4363 | "partition not defined at hd" |
4411 | "partition not defined at hd" |
4364 | * 5 = file not found |
4412 | * 5 = file not found |
4365 | * 6 = end of file, EOF |
4413 | * 6 = end of file, EOF |
4366 | * 7 = pointer lies outside of application memory |
4414 | * 7 = pointer lies outside of application memory |
4367 | * 8 = disk is full |
4415 | * 8 = disk is full |
4368 | * 9 = FAT table is destroyed |
4416 | * 9 = FAT table is destroyed |
4369 | * 10 = access denied |
4417 | * 10 = access denied |
4370 | * 11 = device error |
4418 | * 11 = device error |
4371 | Application start functions can return also following errors: |
4419 | Application start functions can return also following errors: |
4372 | * 30 = 0x1E = not enough memory |
4420 | * 30 = 0x1E = not enough memory |
4373 | * 31 = 0x1F = file is not executable |
4421 | * 31 = 0x1F = file is not executable |
4374 | * 32 = 0x20 = too many processes>>>=4>=n<=4>=39>0,>=ecx. |
4422 | * 32 = 0x20 = too many processes>>>=4>=n<=4>=39>0,>=ecx. |
- | 4423 | >=0xFFFF. |
|
4375 | >=0xFFFF. |
4424 | >=ecx<=0xFFFF. |
4376 | >=ecx<=0xFFFF. |
4425 | >=0xFFFF. |
4377 | >=0xFFFF. |
4426 | >=ecx<=0xFFFF. |
4378 | >=ecx<=0xFFFF. |
4427 | >> |
4379 | >> |
- |