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580 mario79 1 
;**************************************************************************
2 
;
3 
;   [cache_ide[X]_pointer]
4 
;   or [cache_ide[X]_data_pointer]  first entry in cache list
5 
;
6 
;            +0   - lba sector
7 
;            +4   - state of cache sector
8 
;                   0 = empty
9 
;                   1 = used for read  ( same as in hd )
10 
;                   2 = used for write ( differs from hd )
11 
;
12 
;  [cache_ide[X]_system_data]
13 
;  or [cache_ide[x]_appl_data] - cache entries
14 
;
15 
;**************************************************************************
593 mikedld 16 
 
17 
$Revision: 0 $
18 
 
19 
 
580 mario79 20 
align 4
21 
write_cache:
22 
;-----------------------------------------------------------
23 
; write all changed sectors to disk
24 
;-----------------------------------------------------------
25 
    push  eax ecx edx esi edi
26 
 
27 
    ; write difference ( 2 ) from cache to hd
28 
    call  calculate_cache
29 
    add   esi,8
30 
    mov   edi,1
585 mario79 31 
write_cache_more:
32 
    cmp   dword [esi+4],2	; if cache slot is not different
580 mario79 33 
    jne   .write_chain
585 mario79 34 
    mov   dword [esi+4],1	; same as in hd
35 
    mov   eax,[esi]		; eax = sector to write
580 mario79 36 
    cmp   eax,[PARTITION_START]
585 mario79 37 
    jb	  danger
580 mario79 38 
    cmp   eax,[PARTITION_END]
585 mario79 39 
    ja	  danger
580 mario79 40 
; DMA write is permitted only if [allow_dma_access]=1
585 mario79 41 
	cmp	[allow_dma_access], 2
42 
	jae	.nodma
43 
	cmp	[dma_hdd], 1
44 
	jnz	.nodma
580 mario79 45 
; Объединяем запись цепочки последовательных секторов в одно обращение к диску
585 mario79 46 
	cmp	ecx, 1
47 
	jz	.nonext
48 
	cmp	dword [esi+8+4], 2
49 
	jnz	.nonext
50 
	push	eax
51 
	inc	eax
52 
	cmp	eax, [esi+8]
53 
	pop	eax
54 
	jnz	.nonext
55 
	cmp	[cache_chain_started], 1
56 
	jz	@f
57 
	mov	[cache_chain_started], 1
58 
	mov	[cache_chain_size], 0
59 
	mov	[cache_chain_pos], edi
60 
	mov	[cache_chain_ptr], esi
580 mario79 61 
@@:
585 mario79 62 
	inc	[cache_chain_size]
63 
	cmp	[cache_chain_size], 64
64 
	jnz	.continue
65 
	jmp	.write_chain
580 mario79 66 
.nonext:
585 mario79 67 
	call	flush_cache_chain
68 
	mov	[cache_chain_size], 1
69 
	mov	[cache_chain_ptr], esi
70 
	call	write_cache_sector
71 
	jmp	.continue
580 mario79 72 
.nodma:
585 mario79 73 
	call	cache_write_pio
580 mario79 74 
.write_chain:
585 mario79 75 
	call	flush_cache_chain
580 mario79 76 
.continue:
585 mario79 77 
danger:
580 mario79 78 
    add   esi,8
79 
    inc   edi
80 
    dec   ecx
81 
    jnz   write_cache_more
585 mario79 82 
	call	flush_cache_chain
580 mario79 83 
 return_02:
84 
    pop   edi esi edx ecx eax
85 
    ret
86 
 
87 
flush_cache_chain:
585 mario79 88 
	cmp	[cache_chain_started], 0
89 
	jz	@f
90 
	call	write_cache_chain
91 
	mov	[cache_chain_started], 0
580 mario79 92 
@@:
585 mario79 93 
	ret
94 
;--------------------------------------------------------------------
580 mario79 95 
align 4
96 
find_empty_slot:
97 
;-----------------------------------------------------------
98 
; find empty or read slot, flush cache if next 10% is used by write
99 
; output : edi = cache slot
100 
;-----------------------------------------------------------
101 
;    push  ecx esi
102 
 
585 mario79 103 
search_again:
580 mario79 104 
    call  calculate_cache_3
585 mario79 105 
    shr   ecx,3
106 
search_for_empty:
580 mario79 107 
    inc   edi
108 
    call  calculate_cache_4
109 
    jbe   inside_cache
110 
    mov   edi,1
585 mario79 111 
inside_cache:
580 mario79 112 
    push   esi
113 
    call  calculate_cache_1
114 
    cmp   dword [edi*8+esi+4],2
115 
    pop   esi
585 mario79 116 
    jb	  found_slot			; it's empty or read
580 mario79 117 
    dec   ecx
118 
    jnz   search_for_empty
585 mario79 119 
    call  write_cache			; no empty slots found, write all
580 mario79 120 
    cmp   [hd_error],0
121 
    jne   found_slot_access_denied
585 mario79 122 
    jmp   search_again			; and start again
123 
found_slot:
580 mario79 124 
    call  calculate_cache_5
585 mario79 125 
found_slot_access_denied:
580 mario79 126 
    ret
585 mario79 127 
;--------------------------------------------------------------------
580 mario79 128 
align 4
129 
clear_hd_cache:
130 
    mov   [fat_in_cache],-1
131 
    mov   [fat_change],0
132 
    ret
133 
;--------------------------------------------------------------------
134 
align 4
135 
calculate_cache:
136 
;    mov   ecx,cache_max         ; entries in cache
137 
;    mov   esi,HD_CACHE+8
138 
 
139 
; 1 - IDE0 ... 4 - IDE3
140 
.ide0:
141 
    cmp    [hdpos],1
142 
    jne    .ide1
143 
    cmp    [hdd_appl_data],0
144 
    jne    .ide0_appl_data
145 
    mov    ecx,[cache_ide0_system_sad_size]
146 
    mov    esi,[cache_ide0_pointer]
147 
    ret
148 
.ide0_appl_data:
149 
    mov    ecx,[cache_ide0_appl_sad_size]
150 
    mov    esi,[cache_ide0_data_pointer]
151 
    ret
152 
.ide1:
153 
    cmp    [hdpos],2
154 
    jne    .ide2
155 
    cmp    [hdd_appl_data],0
156 
    jne    .ide1_appl_data
157 
    mov    ecx,[cache_ide1_system_sad_size]
158 
    mov    esi,[cache_ide1_pointer]
159 
    ret
160 
.ide1_appl_data:
161 
    mov    ecx,[cache_ide1_appl_sad_size]
162 
    mov    esi,[cache_ide1_data_pointer]
163 
    ret
164 
.ide2:
165 
    cmp    [hdpos],3
166 
    jne    .ide3
167 
    cmp    [hdd_appl_data],0
168 
    jne    .ide2_appl_data
169 
    mov    ecx,[cache_ide2_system_sad_size]
585 mario79 170 
    mov    esi,[cache_ide2_pointer]
580 mario79 171 
    ret
172 
.ide2_appl_data:
173 
    mov    ecx,[cache_ide2_appl_sad_size]
174 
    mov    esi,[cache_ide2_data_pointer]
175 
    ret
176 
.ide3:
177 
    cmp    [hdd_appl_data],0
178 
    jne    .ide3_appl_data
179 
    mov    ecx,[cache_ide3_system_sad_size]
585 mario79 180 
    mov    esi,[cache_ide3_pointer]
580 mario79 181 
    ret
182 
.ide3_appl_data:
183 
    mov    ecx,[cache_ide3_appl_sad_size]
184 
    mov    esi,[cache_ide3_data_pointer]
185 
    ret
186 
;--------------------------------------------------------------------
187 
align 4
188 
calculate_cache_1:
189 
;    lea   esi,[edi*8+HD_CACHE]
190 
; 1 - IDE0 ... 4 - IDE3
191 
.ide0:
192 
    cmp    [hdpos],1
193 
    jne    .ide1
194 
    cmp    [hdd_appl_data],0
195 
    jne    .ide0_appl_data
196 
    mov    esi,[cache_ide0_pointer]
197 
    ret
198 
.ide0_appl_data:
199 
    mov    esi,[cache_ide0_data_pointer]
200 
    ret
201 
.ide1:
202 
    cmp    [hdpos],2
203 
    jne    .ide2
204 
    cmp    [hdd_appl_data],0
205 
    jne    .ide1_appl_data
206 
    mov    esi,[cache_ide1_pointer]
207 
    ret
208 
.ide1_appl_data:
209 
    mov    esi,[cache_ide1_data_pointer]
210 
    ret
211 
.ide2:
212 
    cmp    [hdpos],3
213 
    jne    .ide3
214 
    cmp    [hdd_appl_data],0
215 
    jne    .ide2_appl_data
216 
    mov    esi,[cache_ide2_pointer]
217 
    ret
218 
.ide2_appl_data:
219 
    mov    esi,[cache_ide2_data_pointer]
220 
    ret
221 
.ide3:
222 
    cmp    [hdd_appl_data],0
223 
    jne    .ide3_appl_data
585 mario79 224 
    mov    esi,[cache_ide3_pointer]
580 mario79 225 
    ret
226 
.ide3_appl_data:
227 
    mov    esi,[cache_ide3_data_pointer]
228 
    ret
229 
;--------------------------------------------------------------------
230 
align 4
231 
calculate_cache_2:
232 
;    add   esi,HD_CACHE+65536
233 
; 1 - IDE0 ... 4 - IDE3
234 
.ide0:
235 
    cmp    [hdpos],1
236 
    jne    .ide1
237 
    cmp    [hdd_appl_data],0
238 
    jne    .ide0_appl_data
585 mario79 239 
    mov    eax,[cache_ide0_system_data]
580 mario79 240 
    ret
241 
.ide0_appl_data:
242 
    mov    eax,[cache_ide0_appl_data]
243 
    ret
244 
.ide1:
245 
    cmp    [hdpos],2
246 
    jne    .ide2
247 
    cmp    [hdd_appl_data],0
248 
    jne    .ide1_appl_data
249 
    mov    eax,[cache_ide1_system_data]
250 
    ret
251 
.ide1_appl_data:
252 
    mov    eax,[cache_ide1_appl_data]
253 
    ret
254 
.ide2:
255 
    cmp    [hdpos],3
256 
    jne    .ide3
257 
    cmp    [hdd_appl_data],0
258 
    jne    .ide2_appl_data
259 
    mov    eax,[cache_ide2_system_data]
260 
    ret
261 
.ide2_appl_data:
262 
    mov    eax,[cache_ide2_appl_data]
263 
    ret
264 
.ide3:
265 
    cmp    [hdd_appl_data],0
266 
    jne    .ide3_appl_data
585 mario79 267 
    mov    eax,[cache_ide3_system_data]
580 mario79 268 
    ret
269 
.ide3_appl_data:
270 
    mov    eax,[cache_ide3_appl_data]
271 
    ret
272 
;--------------------------------------------------------------------
273 
align 4
274 
calculate_cache_3:
275 
;    mov   ecx,cache_max*10/100
276 
;    mov   edi,[cache_search_start]
277 
 
278 
; 1 - IDE0 ... 4 - IDE3
279 
.ide0:
280 
    cmp    [hdpos],1
281 
    jne    .ide1
282 
    cmp    [hdd_appl_data],0
283 
    jne    .ide0_appl_data
284 
    mov    ecx,[cache_ide0_system_sad_size]
285 
    mov    edi,[cache_ide0_search_start]
286 
    ret
287 
.ide0_appl_data:
288 
    mov    ecx,[cache_ide0_appl_sad_size]
289 
    mov    edi,[cache_ide0_appl_search_start]
290 
    ret
291 
.ide1:
292 
    cmp    [hdpos],2
293 
    jne    .ide2
294 
    cmp    [hdd_appl_data],0
295 
    jne    .ide1_appl_data
296 
    mov    ecx,[cache_ide1_system_sad_size]
297 
    mov    edi,[cache_ide1_search_start]
298 
    ret
299 
.ide1_appl_data:
300 
    mov    ecx,[cache_ide1_appl_sad_size]
301 
    mov    edi,[cache_ide1_appl_search_start]
302 
    ret
303 
.ide2:
304 
    cmp    [hdpos],3
305 
    jne    .ide3
306 
    cmp    [hdd_appl_data],0
307 
    jne    .ide2_appl_data
308 
    mov    ecx,[cache_ide2_system_sad_size]
585 mario79 309 
    mov    edi,[cache_ide2_search_start]
580 mario79 310 
    ret
311 
.ide2_appl_data:
312 
    mov    ecx,[cache_ide2_appl_sad_size]
313 
    mov    edi,[cache_ide2_appl_search_start]
314 
    ret
315 
.ide3:
316 
    cmp    [hdd_appl_data],0
317 
    jne    .ide3_appl_data
318 
    mov    ecx,[cache_ide3_system_sad_size]
585 mario79 319 
    mov    edi,[cache_ide3_search_start]
580 mario79 320 
    ret
321 
.ide3_appl_data:
322 
    mov    ecx,[cache_ide3_appl_sad_size]
323 
    mov    edi,[cache_ide3_appl_search_start]
324 
    ret
325 
;--------------------------------------------------------------------
326 
align 4
327 
calculate_cache_4:
328 
;    cmp   edi,cache_max
329 
; 1 - IDE0 ... 4 - IDE3
330 
.ide0:
331 
    cmp    [hdpos],1
332 
    jne    .ide1
333 
    cmp    [hdd_appl_data],0
334 
    jne    .ide0_appl_data
335 
    cmp   edi,[cache_ide0_system_sad_size]
336 
    ret
337 
.ide0_appl_data:
338 
    cmp   edi,[cache_ide0_appl_sad_size]
339 
    ret
340 
.ide1:
341 
    cmp    [hdpos],2
342 
    jne    .ide2
343 
    cmp    [hdd_appl_data],0
344 
    jne    .ide1_appl_data
345 
    cmp   edi,[cache_ide1_system_sad_size]
346 
    ret
347 
.ide1_appl_data:
348 
    cmp   edi,[cache_ide1_appl_sad_size]
349 
    ret
350 
.ide2:
351 
    cmp    [hdpos],3
352 
    jne    .ide3
353 
    cmp    [hdd_appl_data],0
354 
    jne    .ide2_appl_data
355 
    cmp   edi,[cache_ide2_system_sad_size]
356 
    ret
357 
.ide2_appl_data:
358 
    cmp   edi,[cache_ide2_appl_sad_size]
359 
    ret
360 
.ide3:
361 
    cmp    [hdd_appl_data],0
362 
    jne    .ide3_appl_data
363 
    cmp   edi,[cache_ide3_system_sad_size]
364 
    ret
365 
.ide3_appl_data:
366 
    cmp   edi,[cache_ide3_appl_sad_size]
367 
    ret
368 
;--------------------------------------------------------------------
369 
align 4
370 
calculate_cache_5:
371 
;    mov   [cache_search_start],edi
372 
; 1 - IDE0 ... 4 - IDE3
373 
.ide0:
374 
    cmp    [hdpos],1
375 
    jne    .ide1
376 
    cmp    [hdd_appl_data],0
377 
    jne    .ide0_appl_data
585 mario79 378 
    mov   [cache_ide0_search_start],edi
580 mario79 379 
    ret
380 
.ide0_appl_data:
381 
    mov   [cache_ide0_appl_search_start],edi
382 
    ret
383 
.ide1:
384 
    cmp    [hdpos],2
385 
    jne    .ide2
386 
    cmp    [hdd_appl_data],0
387 
    jne    .ide1_appl_data
388 
    mov   [cache_ide1_search_start],edi
389 
    ret
390 
.ide1_appl_data:
391 
    mov   [cache_ide1_appl_search_start],edi
392 
    ret
393 
.ide2:
394 
    cmp    [hdpos],3
395 
    jne    .ide3
396 
    cmp    [hdd_appl_data],0
397 
    jne    .ide2_appl_data
398 
    mov   [cache_ide2_search_start],edi
399 
    ret
400 
.ide2_appl_data:
401 
    mov   [cache_ide2_appl_search_start],edi
402 
    ret
403 
.ide3:
404 
    cmp    [hdd_appl_data],0
405 
    jne    .ide3_appl_data
585 mario79 406 
    mov   [cache_ide3_search_start],edi
580 mario79 407 
    ret
408 
.ide3_appl_data:
409 
    mov   [cache_ide3_appl_search_start],edi
410 
    ret
585 mario79 411 
 
580 mario79 412 
;--------------------------------------------------------------------
413 
align 4
585 mario79 414 
find_empty_slot_CD_cache:
415 
;-----------------------------------------------------------
416 
; find empty or read slot, flush cache if next 10% is used by write
417 
; output : edi = cache slot
418 
;-----------------------------------------------------------
419 
.search_again:
420 
    call  cd_calculate_cache_3
421 
.search_for_empty:
422 
    inc   edi
423 
    call  cd_calculate_cache_4
424 
    jbe   .inside_cache
425 
    mov   edi,1
426 
.inside_cache:
427 
    call  cd_calculate_cache_5
580 mario79 428 
    ret
585 mario79 429 
;--------------------------------------------------------------------
430 
clear_CD_cache:
431 
    pusha
432 
.ide0:
433 
    xor   eax,eax
434 
    cmp    [cdpos],1
435 
    jne    .ide1
436 
    mov    [cache_ide0_search_start],eax
437 
    mov    ecx,[cache_ide0_system_sad_size]
438 
    mov    edi,[cache_ide0_pointer]
439 
    call   .clear
440 
    mov    [cache_ide0_appl_search_start],eax
441 
    mov    ecx,[cache_ide0_appl_sad_size]
442 
    mov    edi,[cache_ide0_data_pointer]
443 
    jmp    .continue
444 
.ide1:
445 
    cmp    [cdpos],2
446 
    jne    .ide2
447 
    mov    [cache_ide1_search_start],eax
448 
    mov    ecx,[cache_ide1_system_sad_size]
449 
    mov    edi,[cache_ide1_pointer]
450 
    call   .clear
451 
    mov    [cache_ide1_appl_search_start],eax
452 
    mov    ecx,[cache_ide1_appl_sad_size]
453 
    mov    edi,[cache_ide1_data_pointer]
454 
    jmp    .continue
455 
.ide2:
456 
    cmp    [cdpos],3
457 
    jne    .ide3
458 
    mov    [cache_ide2_search_start],eax
459 
    mov    ecx,[cache_ide2_system_sad_size]
460 
    mov    edi,[cache_ide2_pointer]
461 
    call   .clear
462 
    mov    [cache_ide2_appl_search_start],eax
463 
    mov    ecx,[cache_ide2_appl_sad_size]
464 
    mov    edi,[cache_ide2_data_pointer]
465 
    jmp    .continue
466 
.ide3:
467 
    mov    [cache_ide3_search_start],eax
468 
    mov    ecx,[cache_ide3_system_sad_size]
469 
    mov    edi,[cache_ide3_pointer]
470 
    call   .clear
471 
    mov    [cache_ide3_appl_search_start],eax
472 
    mov    ecx,[cache_ide3_appl_sad_size]
473 
    mov    edi,[cache_ide3_data_pointer]
474 
.continue:
475 
    call   .clear
476 
    popa
477 
    ret
478 
.clear:
479 
    shl   ecx,1
480 
    cld
481 
    rep   stosd
482 
    ret
483 
;--------------------------------------------------------------------
484 
align 4
485 
cd_calculate_cache:
486 
;    mov   ecx,cache_max         ; entries in cache
487 
;    mov   esi,HD_CACHE+8
488 
 
489 
; 1 - IDE0 ... 4 - IDE3
490 
.ide0:
491 
    cmp    [cdpos],1
492 
    jne    .ide1
493 
    cmp    [cd_appl_data],0
494 
    jne    .ide0_appl_data
495 
    mov    ecx,[cache_ide0_system_sad_size]
496 
    mov    esi,[cache_ide0_pointer]
497 
    ret
498 
.ide0_appl_data:
499 
    mov    ecx,[cache_ide0_appl_sad_size]
500 
    mov    esi,[cache_ide0_data_pointer]
501 
    ret
502 
.ide1:
503 
    cmp    [cdpos],2
504 
    jne    .ide2
505 
    cmp    [cd_appl_data],0
506 
    jne    .ide1_appl_data
507 
    mov    ecx,[cache_ide1_system_sad_size]
508 
    mov    esi,[cache_ide1_pointer]
509 
    ret
510 
.ide1_appl_data:
511 
    mov    ecx,[cache_ide1_appl_sad_size]
512 
    mov    esi,[cache_ide1_data_pointer]
513 
    ret
514 
.ide2:
515 
    cmp    [cdpos],3
516 
    jne    .ide3
517 
    cmp    [cd_appl_data],0
518 
    jne    .ide2_appl_data
519 
    mov    ecx,[cache_ide2_system_sad_size]
520 
    mov    esi,[cache_ide2_pointer]
521 
    ret
522 
.ide2_appl_data:
523 
    mov    ecx,[cache_ide2_appl_sad_size]
524 
    mov    esi,[cache_ide2_data_pointer]
525 
    ret
526 
.ide3:
527 
    cmp    [cd_appl_data],0
528 
    jne    .ide3_appl_data
529 
    mov    ecx,[cache_ide3_system_sad_size]
530 
    mov    esi,[cache_ide3_pointer]
531 
    ret
532 
.ide3_appl_data:
533 
    mov    ecx,[cache_ide3_appl_sad_size]
534 
    mov    esi,[cache_ide3_data_pointer]
535 
    ret
536 
;--------------------------------------------------------------------
537 
align 4
538 
cd_calculate_cache_1:
539 
;    lea   esi,[edi*8+HD_CACHE]
540 
; 1 - IDE0 ... 4 - IDE3
541 
.ide0:
542 
    cmp    [cdpos],1
543 
    jne    .ide1
544 
    cmp    [cd_appl_data],0
545 
    jne    .ide0_appl_data
546 
    mov    esi,[cache_ide0_pointer]
547 
    ret
548 
.ide0_appl_data:
549 
    mov    esi,[cache_ide0_data_pointer]
550 
    ret
551 
.ide1:
552 
    cmp    [cdpos],2
553 
    jne    .ide2
554 
    cmp    [cd_appl_data],0
555 
    jne    .ide1_appl_data
556 
    mov    esi,[cache_ide1_pointer]
557 
    ret
558 
.ide1_appl_data:
559 
    mov    esi,[cache_ide1_data_pointer]
560 
    ret
561 
.ide2:
562 
    cmp    [cdpos],3
563 
    jne    .ide3
564 
    cmp    [cd_appl_data],0
565 
    jne    .ide2_appl_data
566 
    mov    esi,[cache_ide2_pointer]
567 
    ret
568 
.ide2_appl_data:
569 
    mov    esi,[cache_ide2_data_pointer]
570 
    ret
571 
.ide3:
572 
    cmp    [cd_appl_data],0
573 
    jne    .ide3_appl_data
574 
    mov    esi,[cache_ide3_pointer]
575 
    ret
576 
.ide3_appl_data:
577 
    mov    esi,[cache_ide3_data_pointer]
578 
    ret
579 
;--------------------------------------------------------------------
580 
align 4
581 
cd_calculate_cache_2:
582 
;    add   esi,HD_CACHE+65536
583 
; 1 - IDE0 ... 4 - IDE3
584 
.ide0:
585 
    cmp    [cdpos],1
586 
    jne    .ide1
587 
    cmp    [cd_appl_data],0
588 
    jne    .ide0_appl_data
589 
    mov    eax,[cache_ide0_system_data]
590 
    ret
591 
.ide0_appl_data:
592 
    mov    eax,[cache_ide0_appl_data]
593 
    ret
594 
.ide1:
595 
    cmp    [cdpos],2
596 
    jne    .ide2
597 
    cmp    [cd_appl_data],0
598 
    jne    .ide1_appl_data
599 
    mov    eax,[cache_ide1_system_data]
600 
    ret
601 
.ide1_appl_data:
602 
    mov    eax,[cache_ide1_appl_data]
603 
    ret
604 
.ide2:
605 
    cmp    [cdpos],3
606 
    jne    .ide3
607 
    cmp    [cd_appl_data],0
608 
    jne    .ide2_appl_data
609 
    mov    eax,[cache_ide2_system_data]
610 
    ret
611 
.ide2_appl_data:
612 
    mov    eax,[cache_ide2_appl_data]
613 
    ret
614 
.ide3:
615 
    cmp    [cd_appl_data],0
616 
    jne    .ide3_appl_data
617 
    mov    eax,[cache_ide3_system_data]
618 
    ret
619 
.ide3_appl_data:
620 
    mov    eax,[cache_ide3_appl_data]
621 
    ret
622 
;--------------------------------------------------------------------
623 
align 4
624 
cd_calculate_cache_3:
625 
;    mov   ecx,cache_max*10/100
626 
;    mov   edi,[cache_search_start]
627 
 
628 
; 1 - IDE0 ... 4 - IDE3
629 
.ide0:
630 
    cmp    [cdpos],1
631 
    jne    .ide1
632 
    cmp    [cd_appl_data],0
633 
    jne    .ide0_appl_data
634 
    mov    edi,[cache_ide0_search_start]
635 
    ret
636 
.ide0_appl_data:
637 
    mov    edi,[cache_ide0_appl_search_start]
638 
    ret
639 
.ide1:
640 
    cmp    [cdpos],2
641 
    jne    .ide2
642 
    cmp    [cd_appl_data],0
643 
    jne    .ide1_appl_data
644 
    mov    edi,[cache_ide1_search_start]
645 
    ret
646 
.ide1_appl_data:
647 
    mov    edi,[cache_ide1_appl_search_start]
648 
    ret
649 
.ide2:
650 
    cmp    [cdpos],3
651 
    jne    .ide3
652 
    cmp    [cd_appl_data],0
653 
    jne    .ide2_appl_data
654 
    mov    edi,[cache_ide2_search_start]
655 
    ret
656 
.ide2_appl_data:
657 
    mov    edi,[cache_ide2_appl_search_start]
658 
    ret
659 
.ide3:
660 
    cmp    [cd_appl_data],0
661 
    jne    .ide3_appl_data
662 
    mov    edi,[cache_ide3_search_start]
663 
    ret
664 
.ide3_appl_data:
665 
    mov    edi,[cache_ide3_appl_search_start]
666 
    ret
667 
;--------------------------------------------------------------------
668 
align 4
669 
cd_calculate_cache_4:
670 
;    cmp   edi,cache_max
671 
; 1 - IDE0 ... 4 - IDE3
672 
.ide0:
673 
    cmp    [cdpos],1
674 
    jne    .ide1
675 
    cmp    [cd_appl_data],0
676 
    jne    .ide0_appl_data
677 
    cmp   edi,[cache_ide0_system_sad_size]
678 
    ret
679 
.ide0_appl_data:
680 
    cmp   edi,[cache_ide0_appl_sad_size]
681 
    ret
682 
.ide1:
683 
    cmp    [cdpos],2
684 
    jne    .ide2
685 
    cmp    [cd_appl_data],0
686 
    jne    .ide1_appl_data
687 
    cmp   edi,[cache_ide1_system_sad_size]
688 
    ret
689 
.ide1_appl_data:
690 
    cmp   edi,[cache_ide1_appl_sad_size]
691 
    ret
692 
.ide2:
693 
    cmp    [cdpos],3
694 
    jne    .ide3
695 
    cmp    [cd_appl_data],0
696 
    jne    .ide2_appl_data
697 
    cmp   edi,[cache_ide2_system_sad_size]
698 
    ret
699 
.ide2_appl_data:
700 
    cmp   edi,[cache_ide2_appl_sad_size]
701 
    ret
702 
.ide3:
703 
    cmp    [cd_appl_data],0
704 
    jne    .ide3_appl_data
705 
    cmp   edi,[cache_ide3_system_sad_size]
706 
    ret
707 
.ide3_appl_data:
708 
    cmp   edi,[cache_ide3_appl_sad_size]
709 
    ret
710 
;--------------------------------------------------------------------
711 
align 4
712 
cd_calculate_cache_5:
713 
;    mov   [cache_search_start],edi
714 
; 1 - IDE0 ... 4 - IDE3
715 
.ide0:
716 
    cmp    [cdpos],1
717 
    jne    .ide1
718 
    cmp    [cd_appl_data],0
719 
    jne    .ide0_appl_data
720 
    mov   [cache_ide0_search_start],edi
721 
    ret
722 
.ide0_appl_data:
723 
    mov   [cache_ide0_appl_search_start],edi
724 
    ret
725 
.ide1:
726 
    cmp    [cdpos],2
727 
    jne    .ide2
728 
    cmp    [cd_appl_data],0
729 
    jne    .ide1_appl_data
730 
    mov   [cache_ide1_search_start],edi
731 
    ret
732 
.ide1_appl_data:
733 
    mov   [cache_ide1_appl_search_start],edi
734 
    ret
735 
.ide2:
736 
    cmp    [cdpos],3
737 
    jne    .ide3
738 
    cmp    [cd_appl_data],0
739 
    jne    .ide2_appl_data
740 
    mov   [cache_ide2_search_start],edi
741 
    ret
742 
.ide2_appl_data:
743 
    mov   [cache_ide2_appl_search_start],edi
744 
    ret
745 
.ide3:
746 
    cmp    [cd_appl_data],0
747 
    jne    .ide3_appl_data
748 
    mov   [cache_ide3_search_start],edi
749 
    ret
750 
.ide3_appl_data:
751 
    mov   [cache_ide3_appl_search_start],edi
752 
    ret
753 
;--------------------------------------------------------------------
754 
;align 4
755 
;calculate_linear_to_real:
756 
;    shr eax, 12
757 
;    mov eax, [page_tabs+eax*4]
758 
;    and eax, 0xFFFFF000
759 
;    ret