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