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| Rev 44 | Rev 63 | ||
|---|---|---|---|
| Line 288... | Line 288... | ||
| 288 | ; interrupts must be disabled! |
288 | ; interrupts must be disabled! |
| 289 | ; destroys all general registers |
289 | ; destroys all general registers |
| 290 | ; interrupts remain disabled |
290 | ; interrupts remain disabled |
| 291 | mov ebp, eax |
291 | mov ebp, eax |
| 292 | shl eax, 8 |
292 | shl eax, 8 |
| - | 293 | mov edi, [timer_ticks] |
|
| - | 294 | add edi, 500 ; 5 sec timeout |
|
| 293 | .1: |
295 | .1: |
| 294 | mov edx, [0x80000+eax+0xBC] |
296 | mov edx, [0x80000+eax+0xBC] |
| 295 | test edx, edx |
297 | test edx, edx |
| 296 | jz .ret |
298 | jz .ret |
| 297 | ; read buffer header |
299 | ; read buffer header |
| Line 311... | Line 313... | ||
| 311 | jg @f |
313 | jg @f |
| 312 | .2: |
314 | .2: |
| 313 | pop ecx |
315 | pop ecx |
| 314 | pop ecx |
316 | pop ecx |
| 315 | pop ecx |
317 | pop ecx |
| - | 318 | cmp [timer_ticks], edi |
|
| - | 319 | jae .ret |
|
| 316 | sti |
320 | sti |
| 317 | call change_task |
321 | call change_task |
| 318 | cli |
322 | cli |
| 319 | jmp .1 |
323 | jmp .1 |
| 320 | @@: |
324 | @@: |