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| Rev 117 | Rev 119 | ||
|---|---|---|---|
| Line 170... | Line 170... | ||
| 170 | mov ecx,320 |
170 | mov ecx,320 |
| 171 | cld |
171 | cld |
| 172 | m13pix: |
172 | m13pix: |
| 173 | lodsd |
173 | lodsd |
| 174 | cmp eax,0 |
174 | cmp eax,0 |
| 175 | jne @f |
- | |
| 176 | xor eax,eax |
- | |
| 177 | jmp .save_pixel |
175 | je .save_pixel |
| 178 | @@: |
- | |
| 179 | push eax |
176 | push eax |
| 180 | mov ebx,eax |
177 | mov ebx,eax |
| 181 | and eax,(128+64+32) ; blue |
178 | and eax,(128+64+32) ; blue |
| 182 | shr eax,5 |
179 | shr eax,5 |
| 183 | and ebx,(128+64+32)*256 ; green |
180 | and ebx,(128+64+32)*256 ; green |
| Line 196... | Line 193... | ||
| 196 | jnz m13pix |
193 | jnz m13pix |
| 197 | mov [EGA_counter],0 |
194 | mov [EGA_counter],0 |
| 198 | popad |
195 | popad |
| 199 | ret |
196 | ret |
| Line -... | Line 197... | ||
| - | 197 | ||
| 200 | 198 | VGA_drawbackground: |
|
| - | 199 | ; draw all |
|
| - | 200 | cmp [0xfe0c],dword 0x12 |
|
| 201 | novesal_1: |
201 | jne .end |
| 202 | pushad |
202 | pushad |
| 203 | mov esi,[0xfe80] |
203 | mov esi,[0xfe80] |
| 204 | mov edi,0xa0000 |
204 | mov edi,0xa0000 |
| 205 | mov ebx,640/32 ; 640*480/(8*4) |
205 | mov ebx,640/32 ; 640*480/(8*4) |
| Line 215... | Line 215... | ||
| 215 | pop edi esi edx ebx |
215 | pop edi esi edx ebx |
| 216 | dec edx |
216 | dec edx |
| 217 | jnz @r |
217 | jnz @r |
| 218 | call VGA_draw_long_line_1 |
218 | call VGA_draw_long_line_1 |
| 219 | popad |
219 | popad |
| - | 220 | .end: |
|
| 220 | ret |
221 | ret |
| Line 221... | Line 222... | ||
| 221 | 222 | ||
| 222 | VGA_draw_long_line: |
223 | VGA_draw_long_line: |
| 223 | mov dx,3ceh |
224 | mov dx,3ceh |
| Line 261... | Line 262... | ||
| 261 | ror eax,8 |
262 | ror eax,8 |
| 262 | mov ch,1 |
263 | mov ch,1 |
| 263 | dec cl |
264 | dec cl |
| 264 | shl ch,cl |
265 | shl ch,cl |
| 265 | cmp al,85 |
266 | cmp al,85 |
| 266 | jb .p13green |
267 | jbe .p13green |
| 267 | or [ebp],ch |
268 | or [ebp],ch |
| 268 | cmp al,170 |
269 | cmp al,170 |
| 269 | jb .p13green |
270 | jbe .p13green |
| 270 | or [ebp+12],ch |
271 | or [ebp+12],ch |
| 271 | .p13green: |
272 | .p13green: |
| 272 | cmp ah,85 |
273 | cmp ah,85 |
| 273 | jb .p13red |
274 | jbe .p13red |
| 274 | or [ebp+4],ch |
275 | or [ebp+4],ch |
| 275 | cmp ah,170 |
276 | cmp ah,170 |
| 276 | jb .p13red |
277 | jbe .p13red |
| 277 | or [ebp+12],ch |
278 | or [ebp+12],ch |
| 278 | .p13red: |
279 | .p13red: |
| 279 | shr eax,8 |
280 | shr eax,8 |
| 280 | cmp ah,85 |
281 | cmp ah,85 |
| 281 | jb .p13cont |
282 | jbe .p13cont |
| 282 | or [ebp+8],ch |
283 | or [ebp+8],ch |
| 283 | cmp ah,170 |
284 | cmp ah,170 |
| 284 | jb .p13cont |
285 | jbe .p13cont |
| 285 | or [ebp+12],ch |
286 | or [ebp+12],ch |
| 286 | .p13cont: |
287 | .p13cont: |
| 287 | ror eax,8 |
288 | ror eax,8 |
| 288 | mov ch,ah |
289 | mov ch,ah |
| 289 | inc cl |
290 | inc cl |
| Line 331... | Line 332... | ||
| 331 | ; edi = address, eax = 24bit colour, ecx = bit no. (modulo 8) |
332 | ; edi = address, eax = 24bit colour, ecx = bit no. (modulo 8) |
| 332 | xor edx,edx |
333 | xor edx,edx |
| 333 | cmp eax,0 |
334 | cmp eax,0 |
| 334 | je .p13cont |
335 | je .p13cont |
| 335 | cmp al,85 |
336 | cmp al,85 |
| 336 | jb .p13green |
337 | jbe .p13green |
| 337 | or dl,0x01 |
338 | or dl,0x01 |
| 338 | cmp al,170 |
339 | cmp al,170 |
| 339 | jb .p13green |
340 | jbe .p13green |
| 340 | or dl,0x08 |
341 | or dl,0x08 |
| 341 | .p13green: |
342 | .p13green: |
| 342 | cmp ah,85 |
343 | cmp ah,85 |
| 343 | jb .p13red |
344 | jbe .p13red |
| 344 | or dl,0x02 |
345 | or dl,0x02 |
| 345 | cmp ah,170 |
346 | cmp ah,170 |
| 346 | jb .p13red |
347 | jbe .p13red |
| 347 | or dl,0x08 |
348 | or dl,0x08 |
| 348 | .p13red: |
349 | .p13red: |
| 349 | shr eax,8 |
350 | shr eax,8 |
| 350 | cmp ah,85 |
351 | cmp ah,85 |
| 351 | jb .p13cont |
352 | jbe .p13cont |
| 352 | or dl,0x04 |
353 | or dl,0x04 |
| 353 | cmp ah,170 |
354 | cmp ah,170 |
| 354 | jb .p13cont |
355 | jbe .p13cont |
| 355 | or dl,0x08 |
356 | or dl,0x08 |
| 356 | .p13cont: |
357 | .p13cont: |
| 357 | ror edx,8 |
358 | ror edx,8 |
| 358 | inc cl |
359 | inc cl |
| 359 | xor eax,eax |
360 | xor eax,eax |
| Line 373... | Line 374... | ||
| 373 | ; ecx = size [x|y] |
374 | ; ecx = size [x|y] |
| 374 | ; edx = coordinates [x|y] |
375 | ; edx = coordinates [x|y] |
| 375 | cmp [0xfe0c],dword 0x12 |
376 | cmp [0xfe0c],dword 0x12 |
| 376 | jne @f |
377 | jne @f |
| 377 | pushad |
378 | pushad |
| 378 | ; calculate absolute (i.e. screen) coordinates |
- | |
| 379 | rol edx,16 |
379 | rol edx,16 |
| 380 | movzx eax,dx |
380 | movzx eax,dx |
| 381 | rol edx,16 |
381 | rol edx,16 |
| 382 | movzx ebx,dx |
382 | movzx ebx,dx |
| 383 | movzx edx,cx |
383 | movzx edx,cx |
| Line 441... | Line 441... | ||
| 441 | add edi,edx |
441 | add edi,edx |
| 442 | call VGA_draw_long_line |
442 | call VGA_draw_long_line |
| 443 | pop edi esi edx ebx |
443 | pop edi esi edx ebx |
| 444 | ret |
444 | ret |
| Line 445... | Line -... | ||
| 445 | - | ||
| 446 | VGA_drawbackground: |
- | |
| 447 | ; draw all |
- | |
| 448 | cmp [0xfe0c],dword 0x12 |
- | |
| 449 | jne @f |
- | |
| 450 | call novesal_1 |
445 | |
| 451 | @@: |
- | |