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[pcsx_rearmed.git] / libpcsxcore / cdrom.c
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ef79bbde
P		 1/***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
19
20/*
21* Handles all CD-ROM registers and functions.
22*/
23
24#include "cdrom.h"
25#include "ppf.h"
9f8b032d 26#include "psxdma.h"
ef79bbde
P		 27
28cdrStruct cdr;
29
30/* CD-ROM magic numbers */
31#define CdlSync 0
32#define CdlNop 1
33#define CdlSetloc 2
34#define CdlPlay 3
35#define CdlForward 4
36#define CdlBackward 5
37#define CdlReadN 6
38#define CdlStandby 7
39#define CdlStop 8
40#define CdlPause 9
41#define CdlInit 10
42#define CdlMute 11
43#define CdlDemute 12
44#define CdlSetfilter 13
45#define CdlSetmode 14
46#define CdlGetmode 15
47#define CdlGetlocL 16
48#define CdlGetlocP 17
49#define CdlReadT 18
50#define CdlGetTN 19
51#define CdlGetTD 20
52#define CdlSeekL 21
53#define CdlSeekP 22
54#define CdlSetclock 23
55#define CdlGetclock 24
56#define CdlTest 25
57#define CdlID 26
58#define CdlReadS 27
59#define CdlReset 28
60#define CdlReadToc 30
61
62#define AUTOPAUSE 249
63#define READ_ACK 250
64#define READ 251
65#define REPPLAY_ACK 252
66#define REPPLAY 253
67#define ASYNC 254
68/* don't set 255, it's reserved */
69
70char *CmdName[0x100]= {
71 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
72 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
73 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
74 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
75 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
76 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
77 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
78 "CdlReset", NULL, "CDlReadToc", NULL
79};
80
81unsigned char Test04[] = { 0 };
82unsigned char Test05[] = { 0 };
83unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
84unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
85unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
86
9f8b032d 87// cdr.Stat:
88#define NoIntr 0
89#define DataReady 1
90#define Complete 2
91#define Acknowledge 3
92#define DataEnd 4
93#define DiskError 5
94
95/* Modes flags */
96#define MODE_SPEED (1<<7) // 0x80
97#define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
98#define MODE_SIZE_2340 (1<<5) // 0x20
99#define MODE_SIZE_2328 (1<<4) // 0x10
100#define MODE_SF (1<<3) // 0x08 channel on/off
101#define MODE_REPORT (1<<2) // 0x04
102#define MODE_AUTOPAUSE (1<<1) // 0x02
103#define MODE_CDDA (1<<0) // 0x01
104
105/* Status flags */
106#define STATUS_PLAY (1<<7) // 0x80
107#define STATUS_SEEK (1<<6) // 0x40
108#define STATUS_READ (1<<5) // 0x20
109#define STATUS_SHELLOPEN (1<<4) // 0x10
110#define STATUS_UNKNOWN3 (1<<3) // 0x08
111#define STATUS_UNKNOWN2 (1<<2) // 0x04
112#define STATUS_ROTATING (1<<1) // 0x02
113#define STATUS_ERROR (1<<0) // 0x01
114
115
116
ef79bbde
P		 117// 1x = 75 sectors per second
118// PSXCLK = 1 sec in the ps
119// so (PSXCLK / 75) = cdr read time (linuzappz)
120#define cdReadTime (PSXCLK / 75)
121
122static struct CdrStat stat;
ef79bbde 123
9f8b032d 124static unsigned int msf2sec(char *msf) {
125 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
126}
127
128static void sec2msf(unsigned int s, char *msf) {
129 msf[0] = s / 75 / 60;
130 s = s - msf[0] * 75 * 60;
131 msf[1] = s / 75;
132 s = s - msf[1] * 75;
133 msf[2] = s;
134}
135
136
ef79bbde 137#define CDR_INT(eCycle) { \
d28b54b1 138 psxRegs.interrupt |= (1 << PSXINT_CDR); \
139 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
140 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
141 new_dyna_set_event(PSXINT_CDR, eCycle); \
ae602c19 142}
ef79bbde
P		 143
144#define CDREAD_INT(eCycle) { \
d28b54b1 145 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
146 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
147 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
148 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
ae602c19 149}
ef79bbde 150
9f8b032d 151#define CDRLID_INT(eCycle) { \
152 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
153 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
154 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
155 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
156}
157
7f457614 158#define CDRPLAY_INT(eCycle) { \
159 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
160 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
161 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
162 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
163}
164
ef79bbde
P		 165#define StartReading(type, eCycle) { \
166 cdr.Reading = type; \
167 cdr.FirstSector = 1; \
168 cdr.Readed = 0xff; \
169 AddIrqQueue(READ_ACK, eCycle); \
170}
171
172#define StopReading() { \
173 if (cdr.Reading) { \
174 cdr.Reading = 0; \
d28b54b1 175 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
ef79bbde 176 } \
9f8b032d 177 cdr.StatP &= ~STATUS_READ;\
ef79bbde
P		 178}
179
180#define StopCdda() { \
181 if (cdr.Play) { \
182 if (!Config.Cdda) CDR_stop(); \
9f8b032d 183 cdr.StatP &= ~STATUS_PLAY; \
ef79bbde 184 cdr.Play = FALSE; \
9f8b032d 185 cdr.FastForward = 0; \
186 cdr.FastBackward = 0; \
187 /*SPU_registerCallback( SPUirq );*/ \
ef79bbde
P		 188 } \
189}
190
191#define SetResultSize(size) { \
192 cdr.ResultP = 0; \
193 cdr.ResultC = size; \
194 cdr.ResultReady = 1; \
195}
196
9f8b032d 197
198void cdrLidSeekInterrupt()
199{
200 // turn back on checking
201 if( cdr.LidCheck == 0x10 )
202 {
203 cdr.LidCheck = 0;
204 }
205
206 // official lid close
207 else if( cdr.LidCheck == 0x30 )
208 {
209 // GS CDX 3.3: $13
210 cdr.StatP |= STATUS_ROTATING;
211
212
213 // GS CDX 3.3 - ~50 getlocp tries
214 CDRLID_INT( cdReadTime * 3 );
215 cdr.LidCheck = 0x40;
216 }
217
218 // turn off ready
219 else if( cdr.LidCheck == 0x40 )
220 {
221 // GS CDX 3.3: $01
222 cdr.StatP &= ~STATUS_SHELLOPEN;
223 cdr.StatP &= ~STATUS_ROTATING;
224
225
226 // GS CDX 3.3 - ~50 getlocp tries
227 CDRLID_INT( cdReadTime * 3 );
228 cdr.LidCheck = 0x50;
229 }
230
231 // now seek
232 else if( cdr.LidCheck == 0x50 )
233 {
234 // GameShark Lite: Start seeking ($42)
235 cdr.StatP |= STATUS_SEEK;
236 cdr.StatP |= STATUS_ROTATING;
237 cdr.StatP &= ~STATUS_ERROR;
238
239
240 CDRLID_INT( cdReadTime * 3 );
241 cdr.LidCheck = 0x60;
242 }
243
244 // done = cd ready
245 else if( cdr.LidCheck == 0x60 )
246 {
247 // GameShark Lite: Seek detection done ($02)
248 cdr.StatP &= ~STATUS_SEEK;
249
250 cdr.LidCheck = 0;
251 }
252}
253
254
255static void Check_Shell( int Irq )
256{
257 // check case open/close
258 if (cdr.LidCheck > 0)
259 {
260#ifdef CDR_LOG
261 CDR_LOG( "LidCheck\n" );
262#endif
263
264 // $20 = check lid state
265 if( cdr.LidCheck == 0x20 )
266 {
267 u32 i;
268
269 i = stat.Status;
270 if (CDR_getStatus(&stat) != -1)
271 {
aa1f7284 272 // BIOS hangs + BIOS error messages
273 //if (stat.Type == 0xff)
274 //cdr.Stat = DiskError;
9f8b032d 275
276 // case now open
aa1f7284 277 if (stat.Status & STATUS_SHELLOPEN)
9f8b032d 278 {
279 // Vib Ribbon: pre-CD swap
280 StopCdda();
281
282
283 // GameShark Lite: Death if DiskError happens
284 //
285 // Vib Ribbon: Needs DiskError for CD swap
286
287 if (Irq != CdlNop)
288 {
289 cdr.Stat = DiskError;
290
291 cdr.StatP |= STATUS_ERROR;
292 cdr.Result[0] |= STATUS_ERROR;
293 }
294
295 // GameShark Lite: Wants -exactly- $10
296 cdr.StatP |= STATUS_SHELLOPEN;
297 cdr.StatP &= ~STATUS_ROTATING;
298
299
300 CDRLID_INT( cdReadTime * 3 );
301 cdr.LidCheck = 0x10;
302
303
304 // GS CDX 3.3 = $11
305 }
306
307 // case just closed
308 else if ( i & STATUS_SHELLOPEN )
309 {
310 cdr.StatP |= STATUS_ROTATING;
311
312 CheckCdrom();
313
314
315 if( cdr.Stat == NoIntr )
316 cdr.Stat = Acknowledge;
317
318 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
319
320
321 // begin close-seek-ready cycle
322 CDRLID_INT( cdReadTime * 3 );
323 cdr.LidCheck = 0x30;
324
325
326 // GameShark Lite: Wants -exactly- $42, then $02
327 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
328 }
329
330 // case still closed - wait for recheck
331 else
332 {
333 CDRLID_INT( cdReadTime * 3 );
334 cdr.LidCheck = 0x10;
335 }
336 }
337 }
338
339
340 // GS CDX: clear all values but #1,#2
341 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
342 {
343 SetResultSize(16);
344 memset( cdr.Result, 0, 16 );
345
346 cdr.Result[0] = cdr.StatP;
347
348
349 // GS CDX: special return value
350 if( cdr.StatP & STATUS_SHELLOPEN )
351 {
352 cdr.Result[1] = 0x80;
353 }
354
355
356 if( cdr.Stat == NoIntr )
357 cdr.Stat = Acknowledge;
358
359 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
360 }
361 }
362}
363
364
365void Find_CurTrack() {
366 cdr.CurTrack = 0;
367
368 if (CDR_getTN(cdr.ResultTN) != -1) {
369 int lcv;
370
371 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
372 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
373 u32 sect1, sect2;
374
375#ifdef CDR_LOG___0
376 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
377 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
378 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
379 cdr.CurTrack );
380#endif
381
382 // find next track boundary - only need m:s accuracy
383 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
384 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
385
386 // Twisted Metal 4 - psx cdda pregap (2-sec)
387 // - fix in-game music
388 sect2 -= 75 * 2;
389
390 if( sect1 >= sect2 ) {
391 cdr.CurTrack++;
392 continue;
393 }
394 }
395
396 break;
397 }
398 }
399}
400
401static void ReadTrack( u8 *time ) {
402 cdr.Prev[0] = itob( time[0] );
403 cdr.Prev[1] = itob( time[1] );
404 cdr.Prev[2] = itob( time[2] );
ef79bbde
P		 405
406#ifdef CDR_LOG
407 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
408#endif
409 cdr.RErr = CDR_readTrack(cdr.Prev);
410}
411
ef79bbde
P		 412
413void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
414 cdr.Irq = irq;
9f8b032d 415 cdr.eCycle = ecycle;
416
417 // Doom: Force rescheduling
418 // - Fixes boot
419 CDR_INT(ecycle);
420}
421
422
423void Set_Track()
424{
425 if (CDR_getTN(cdr.ResultTN) != -1) {
426 int lcv;
427
428 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
429 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
430#ifdef CDR_LOG___0
431 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
432 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
433 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
434 cdr.CurTrack );
435#endif
436
437 // check if time matches track start (only need min, sec accuracy)
438 // - m:s:f vs f:s:m
439 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
440 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
441 // skip pregap frames
442 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
443 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
444
445 break;
446 }
447 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
448 break;
449 }
450 }
451 }
452}
453
454
455static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
7f457614 456static void Create_Fake_Subq()
9f8b032d 457{
458 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
459 int diff;
460
461 if (CDR_getTN(cdr.ResultTN) == -1) return;
462 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
463 pregap = 150;
464 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
465 } else {
466 // last track - cd size
467 pregap = 0;
468 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
469 }
470
471 if( cdr.Play == TRUE ) {
472 temp_cur[0] = cdr.SetSectorPlay[0];
473 temp_cur[1] = cdr.SetSectorPlay[1];
474 temp_cur[2] = cdr.SetSectorPlay[2];
475 } else {
476 temp_cur[0] = btoi( cdr.Prev[0] );
477 temp_cur[1] = btoi( cdr.Prev[1] );
478 temp_cur[2] = btoi( cdr.Prev[2] );
479 }
480
481 fake_subq_real[0] = temp_cur[0];
482 fake_subq_real[1] = temp_cur[1];
483 fake_subq_real[2] = temp_cur[2];
484
485 temp_next[0] = cdr.ResultTD[2];
486 temp_next[1] = cdr.ResultTD[1];
487 temp_next[2] = cdr.ResultTD[0];
488
489
490 // flag- next track
491 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
492 fake_subq_change = 1;
493
494 cdr.CurTrack++;
495
496 // end cd
497 if( pregap == 0 ) StopCdda();
498 }
499
500 //////////////////////////////////////////////////
501 //////////////////////////////////////////////////
502
503 // repair
504 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
505 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
506 } else {
507 // last track - cd size
508 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
509 }
510
511 temp_start[0] = cdr.ResultTD[2];
512 temp_start[1] = cdr.ResultTD[1];
513 temp_start[2] = cdr.ResultTD[0];
514
515
516#ifdef CDR_LOG
517 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
518 temp_cur[0], temp_cur[1], temp_cur[2],
519 temp_start[0], temp_start[1], temp_start[2],
520 temp_next[0], temp_next[1], temp_next[2]);
521#endif
522
523
524
525 // local time - pregap / real
526 diff = msf2sec(temp_cur) - msf2sec( temp_start );
527 if( diff < 0 ) {
528 fake_subq_index = 0;
529
530 sec2msf( -diff, fake_subq_local );
ef79bbde 531 } else {
9f8b032d 532 fake_subq_index = 1;
533
534 sec2msf( diff, fake_subq_local );
ef79bbde
P		 535 }
536}
537
9f8b032d 538
7f457614 539static void cdrPlayInterrupt_Autopause()
540{
541 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
542 if (subq != NULL ) {
543#ifdef CDR_LOG
544 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
545 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
546#endif
547
548 /*
549 CDDA Autopause
550
551 Silhouette Mirage ($3)
552 Tomb Raider 1 ($7)
553 */
554
555 if( cdr.CurTrack >= btoi( subq->TrackNumber ) )
556 return;
557 } else {
558 Create_Fake_Subq();
559#ifdef CDR_LOG___0
560 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
561 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
562#endif
563
564 if( !fake_subq_change )
565 return;
566
567 fake_subq_change = 0;
568 }
569
570 if (cdr.Mode & MODE_AUTOPAUSE) {
571#ifdef CDR_LOG
572 CDR_LOG( "CDDA STOP\n" );
573#endif
574
575 // Magic the Gathering
576 // - looping territory cdda
577
578 // ...?
579 //cdr.ResultReady = 1;
580 //cdr.Stat = DataReady;
581 cdr.Stat = DataEnd;
582 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
583
584 StopCdda();
585 }
586 if (cdr.Mode & MODE_REPORT) {
587 // rearmed note: PCSX-Reloaded does this for every sector,
588 // but we try to get away with only track change here.
589 memset( cdr.Result, 0, 8 );
590 cdr.Result[0] |= 0x10;
591
592 if (subq != NULL) {
593#ifdef CDR_LOG
594 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
595 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
596#endif
597 cdr.CurTrack = btoi( subq->TrackNumber );
598
599 // BIOS CD Player: data already BCD format
600 cdr.Result[1] = subq->TrackNumber;
601 cdr.Result[2] = subq->IndexNumber;
602
603 cdr.Result[3] = subq->AbsoluteAddress[0];
604 cdr.Result[4] = subq->AbsoluteAddress[1];
605 cdr.Result[5] = subq->AbsoluteAddress[2];
606 } else {
607#ifdef CDR_LOG___0
608 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
609 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
610#endif
611
612 // track # / index #
613 cdr.Result[1] = itob(cdr.CurTrack);
614 cdr.Result[2] = itob(fake_subq_index);
615 // absolute
616 cdr.Result[3] = itob( fake_subq_real[0] );
617 cdr.Result[4] = itob( fake_subq_real[1] );
618 cdr.Result[5] = itob( fake_subq_real[2] );
619 }
620
621 // Rayman: Logo freeze (resultready + dataready)
622 cdr.ResultReady = 1;
623 cdr.Stat = DataReady;
624
625 SetResultSize(8);
626 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
627 }
628}
629
630void cdrPlayInterrupt()
631{
632 if( !cdr.Play ) return;
633
634#ifdef CDR_LOG
635 CDR_LOG( "CDDA - %d:%d:%d\n",
636 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
637#endif
638 CDRPLAY_INT( cdReadTime );
639
640 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
641 cdrPlayInterrupt_Autopause();
642
643 cdr.SetSectorPlay[2]++;
644 if (cdr.SetSectorPlay[2] == 75) {
645 cdr.SetSectorPlay[2] = 0;
646 cdr.SetSectorPlay[1]++;
647 if (cdr.SetSectorPlay[1] == 60) {
648 cdr.SetSectorPlay[1] = 0;
649 cdr.SetSectorPlay[0]++;
650 }
651 }
652
653 //Check_Shell(0);
654}
655
ef79bbde
P		 656void cdrInterrupt() {
657 int i;
658 unsigned char Irq = cdr.Irq;
7f457614 659 struct SubQ *subq;
ef79bbde 660
9f8b032d 661 // Reschedule IRQ
ef79bbde 662 if (cdr.Stat) {
9f8b032d 663 CDR_INT( 0x100 );
ef79bbde
P		 664 return;
665 }
666
667 cdr.Irq = 0xff;
668 cdr.Ctrl &= ~0x80;
669
670 switch (Irq) {
671 case CdlSync:
672 SetResultSize(1);
9f8b032d 673 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 674 cdr.Result[0] = cdr.StatP;
675 cdr.Stat = Acknowledge;
676 break;
677
678 case CdlNop:
679 SetResultSize(1);
680 cdr.Result[0] = cdr.StatP;
681 cdr.Stat = Acknowledge;
9f8b032d 682
683 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 684 break;
685
686 case CdlSetloc:
687 cdr.CmdProcess = 0;
688 SetResultSize(1);
9f8b032d 689 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 690 cdr.Result[0] = cdr.StatP;
691 cdr.Stat = Acknowledge;
692 break;
693
694 case CdlPlay:
9f8b032d 695 fake_subq_change = 0;
696
697 if( cdr.Seeked == FALSE ) {
698 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
699 cdr.Seeked = TRUE;
700 }
701
702 /*
703 Rayman: detect track changes
704 - fixes logo freeze
705
706 Twisted Metal 2: skip PREGAP + starting accurate SubQ
707 - plays tracks without retry play
708
709 Wild 9: skip PREGAP + starting accurate SubQ
710 - plays tracks without retry play
711 */
712 Set_Track();
713 Find_CurTrack();
714 ReadTrack( cdr.SetSectorPlay );
715
716
717 // GameShark CD Player: Calls 2x + Play 2x
718 if( cdr.FastBackward || cdr.FastForward ) {
719 if( cdr.FastForward ) cdr.FastForward--;
720 if( cdr.FastBackward ) cdr.FastBackward--;
721
722 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
723 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
724 cdr.SetSectorPlay[0] = stat.Time[0];
725 cdr.SetSectorPlay[1] = stat.Time[1];
726 cdr.SetSectorPlay[2] = stat.Time[2];
727 }
728 }
729 }
730
731
732 if (!Config.Cdda) {
733 // BIOS CD Player
734 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
735
736 // GameShark CD Player: Resume play
737 if( cdr.ParamC == 0 ) {
738#ifdef CDR_LOG___0
739 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
740 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
741#endif
742
743 //CDR_play( cdr.SetSectorPlay );
744 }
745 else
746 {
747 // BIOS CD Player: Resume play
748 if( cdr.Param[0] == 0 ) {
749#ifdef CDR_LOG___0
750 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
751 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
752#endif
753
754 //CDR_play( cdr.SetSectorPlay );
755 }
756 else {
757#ifdef CDR_LOG___0
758 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
759 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
760#endif
761
762 // BIOS CD Player: Allow track replaying
763 StopCdda();
764
765
766 cdr.CurTrack = btoi( cdr.Param[0] );
767
768 if (CDR_getTN(cdr.ResultTN) != -1) {
769 // check last track
770 if (cdr.CurTrack > cdr.ResultTN[1])
771 cdr.CurTrack = cdr.ResultTN[1];
772
773 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
774 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
775 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
776 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
777
778 // reset data
779 Set_Track();
780 Find_CurTrack();
781 ReadTrack( cdr.SetSectorPlay );
782
783 //CDR_play(cdr.SetSectorPlay);
784 }
785 }
786 }
787 }
788 }
789
790
791 // Vib Ribbon: gameplay checks flag
792 cdr.StatP &= ~STATUS_SEEK;
793
794
ef79bbde
P		 795 cdr.CmdProcess = 0;
796 SetResultSize(1);
9f8b032d 797 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 798 cdr.Result[0] = cdr.StatP;
799 cdr.Stat = Acknowledge;
9f8b032d 800
801 cdr.StatP |= STATUS_PLAY;
802
803
804 // BIOS player - set flag again
805 cdr.Play = TRUE;
806
7f457614 807 CDRPLAY_INT( cdReadTime );
ef79bbde
P		 808 break;
809
9f8b032d 810 case CdlForward:
ef79bbde
P		 811 cdr.CmdProcess = 0;
812 SetResultSize(1);
9f8b032d 813 cdr.StatP |= STATUS_ROTATING;
814 cdr.Result[0] = cdr.StatP;
815 cdr.Stat = Complete;
816
817
818 // GameShark CD Player: Calls 2x + Play 2x
819 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
820 else cdr.FastForward++;
821
822 cdr.FastBackward = 0;
ef79bbde
P		 823 break;
824
9f8b032d 825 case CdlBackward:
ef79bbde
P		 826 cdr.CmdProcess = 0;
827 SetResultSize(1);
9f8b032d 828 cdr.StatP |= STATUS_ROTATING;
829 cdr.Result[0] = cdr.StatP;
830 cdr.Stat = Complete;
831
832
833 // GameShark CD Player: Calls 2x + Play 2x
834 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
835 else cdr.FastBackward++;
836
837 cdr.FastForward = 0;
ef79bbde
P		 838 break;
839
9f8b032d 840 case CdlStandby:
ef79bbde
P		 841 cdr.CmdProcess = 0;
842 SetResultSize(1);
9f8b032d 843 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 844 cdr.Result[0] = cdr.StatP;
845 cdr.Stat = Complete;
846 break;
847
848 case CdlStop:
849 cdr.CmdProcess = 0;
850 SetResultSize(1);
9f8b032d 851 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 852 cdr.Result[0] = cdr.StatP;
853 cdr.Stat = Complete;
854// cdr.Stat = Acknowledge;
855
9f8b032d 856 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 857 break;
858
859 case CdlPause:
860 SetResultSize(1);
861 cdr.Result[0] = cdr.StatP;
9f8b032d 862 cdr.Stat = Acknowledge;
863
12228917 864 /*
865 Gundam Battle Assault 2: much slower (*)
866 - Fixes boot, gameplay
867
868 Hokuto no Ken 2: slower
869 - Fixes intro + subtitles
870
871 InuYasha - Feudal Fairy Tale: slower
872 - Fixes battles
873 */
874 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 875 cdr.Ctrl |= 0x80;
876 break;
877
878 case CdlPause + 0x20:
879 SetResultSize(1);
9f8b032d 880 cdr.StatP &= ~STATUS_READ;
881 cdr.StatP |= STATUS_ROTATING;
ef79bbde 882 cdr.Result[0] = cdr.StatP;
9f8b032d 883 cdr.Stat = Complete;
ef79bbde
P		 884 break;
885
9f8b032d 886 case CdlInit:
ef79bbde 887 SetResultSize(1);
9f8b032d 888 cdr.StatP = STATUS_ROTATING;
ef79bbde 889 cdr.Result[0] = cdr.StatP;
9f8b032d 890 cdr.Stat = Acknowledge;
ef79bbde 891// if (!cdr.Init) {
9f8b032d 892 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 893// }
894 break;
895
896 case CdlInit + 0x20:
897 SetResultSize(1);
898 cdr.Result[0] = cdr.StatP;
9f8b032d 899 cdr.Stat = Complete;
ef79bbde
P		 900 cdr.Init = 1;
901 break;
902
9f8b032d 903 case CdlMute:
ef79bbde 904 SetResultSize(1);
9f8b032d 905 cdr.StatP |= STATUS_ROTATING;
906 cdr.Result[0] = cdr.StatP;
907 cdr.Stat = Acknowledge;
ef79bbde
P		 908 break;
909
9f8b032d 910 case CdlDemute:
ef79bbde 911 SetResultSize(1);
9f8b032d 912 cdr.StatP |= STATUS_ROTATING;
913 cdr.Result[0] = cdr.StatP;
914 cdr.Stat = Acknowledge;
ef79bbde
P		 915 break;
916
9f8b032d 917 case CdlSetfilter:
ef79bbde 918 SetResultSize(1);
9f8b032d 919 cdr.StatP |= STATUS_ROTATING;
920 cdr.Result[0] = cdr.StatP;
921 cdr.Stat = Acknowledge;
922 break;
ef79bbde
P		 923
924 case CdlSetmode:
925 SetResultSize(1);
9f8b032d 926 cdr.StatP |= STATUS_ROTATING;
927 cdr.Result[0] = cdr.StatP;
928 cdr.Stat = Acknowledge;
929 break;
ef79bbde 930
9f8b032d 931 case CdlGetmode:
ef79bbde 932 SetResultSize(6);
9f8b032d 933 cdr.StatP |= STATUS_ROTATING;
934 cdr.Result[0] = cdr.StatP;
935 cdr.Result[1] = cdr.Mode;
936 cdr.Result[2] = cdr.File;
937 cdr.Result[3] = cdr.Channel;
938 cdr.Result[4] = 0;
939 cdr.Result[5] = 0;
940 cdr.Stat = Acknowledge;
941 break;
ef79bbde 942
9f8b032d 943 case CdlGetlocL:
ef79bbde 944 SetResultSize(8);
9f8b032d 945 for (i = 0; i < 8; i++)
ef79bbde 946 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 947 cdr.Stat = Acknowledge;
948 break;
ef79bbde
P		 949
950 case CdlGetlocP:
9f8b032d 951 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
952 SetResultSize(17);
953 memset( cdr.Result, 0, 16 );
954
ef79bbde
P		 955 subq = (struct SubQ *)CDR_getBufferSub();
956
957 if (subq != NULL) {
958 cdr.Result[0] = subq->TrackNumber;
959 cdr.Result[1] = subq->IndexNumber;
960 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
961 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
962
9f8b032d 963
964 // subQ integrity check - data only (skip audio)
965 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 966 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
967 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
968 }
9f8b032d 969 }
ef79bbde 970 } else {
7f457614 971 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
972 Create_Fake_Subq();
ef79bbde 973
ef79bbde 974
9f8b032d 975 // track # / index #
976 cdr.Result[0] = itob(cdr.CurTrack);
977 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 978
9f8b032d 979 // local
980 cdr.Result[2] = itob( fake_subq_local[0] );
981 cdr.Result[3] = itob( fake_subq_local[1] );
982 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 983
9f8b032d 984 // absolute
985 cdr.Result[5] = itob( fake_subq_real[0] );
986 cdr.Result[6] = itob( fake_subq_real[1] );
987 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 988 }
989
9f8b032d 990 // redump.org - wipe time
ae4e7dc9 991 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 992 memset( cdr.Result+2, 0, 6 );
993 }
9f8b032d 994
ef79bbde
P		 995 cdr.Stat = Acknowledge;
996 break;
997
9f8b032d 998 case CdlGetTN:
999 // 5-Star Racing: don't stop CDDA
1000 //
1001 // Vib Ribbon: CD swap
1002 StopReading();
1003
ef79bbde
P		 1004 cdr.CmdProcess = 0;
1005 SetResultSize(3);
9f8b032d 1006 cdr.StatP |= STATUS_ROTATING;
1007 cdr.Result[0] = cdr.StatP;
1008 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1009 cdr.Stat = DiskError;
9f8b032d 1010 cdr.Result[0] |= STATUS_ERROR;
1011 } else {
1012 cdr.Stat = Acknowledge;
1013 cdr.Result[1] = itob(cdr.ResultTN[0]);
1014 cdr.Result[2] = itob(cdr.ResultTN[1]);
1015 }
1016 break;
ef79bbde 1017
9f8b032d 1018 case CdlGetTD:
ef79bbde
P		 1019 cdr.CmdProcess = 0;
1020 cdr.Track = btoi(cdr.Param[0]);
1021 SetResultSize(4);
9f8b032d 1022 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1023 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1024 cdr.Stat = DiskError;
9f8b032d 1025 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1026 } else {
1027 cdr.Stat = Acknowledge;
1028 cdr.Result[0] = cdr.StatP;
1029 cdr.Result[1] = itob(cdr.ResultTD[2]);
1030 cdr.Result[2] = itob(cdr.ResultTD[1]);
1031 cdr.Result[3] = itob(cdr.ResultTD[0]);
1032 }
1033 break;
1034
9f8b032d 1035 case CdlSeekL:
ef79bbde 1036 SetResultSize(1);
9f8b032d 1037 cdr.StatP |= STATUS_ROTATING;
1038 cdr.Result[0] = cdr.StatP;
1039 cdr.StatP |= STATUS_SEEK;
1040 cdr.Stat = Acknowledge;
1041
1042 /*
1043 Crusaders of Might and Magic = 0.5x-4x
1044 - fix cutscene speech start
1045
1046 Eggs of Steel = 2x-?
1047 - fix new game
1048
1049 Medievil = ?-4x
1050 - fix cutscene speech
1051
1052 Rockman X5 = 0.5-4x
1053 - fix capcom logo
1054 */
1055 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
ef79bbde
P		 1056 break;
1057
9f8b032d 1058 case CdlSeekL + 0x20:
ef79bbde 1059 SetResultSize(1);
9f8b032d 1060 cdr.StatP |= STATUS_ROTATING;
1061 cdr.StatP &= ~STATUS_SEEK;
1062 cdr.Result[0] = cdr.StatP;
1063 cdr.Seeked = TRUE;
1064 cdr.Stat = Complete;
1065
1066
1067 // Mega Man Legends 2: must update read cursor for getlocp
1068 ReadTrack( cdr.SetSector );
ef79bbde
P		 1069 break;
1070
9f8b032d 1071 case CdlSeekP:
ef79bbde 1072 SetResultSize(1);
9f8b032d 1073 cdr.StatP |= STATUS_ROTATING;
1074 cdr.Result[0] = cdr.StatP;
1075 cdr.StatP |= STATUS_SEEK;
1076 cdr.Stat = Acknowledge;
1077 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
ef79bbde
P		 1078 break;
1079
9f8b032d 1080 case CdlSeekP + 0x20:
ef79bbde 1081 SetResultSize(1);
9f8b032d 1082 cdr.StatP |= STATUS_ROTATING;
1083 cdr.StatP &= ~STATUS_SEEK;
1084 cdr.Result[0] = cdr.StatP;
1085 cdr.Stat = Complete;
1086 cdr.Seeked = TRUE;
1087
1088 // GameShark Music Player
1089 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1090
1091 // Tomb Raider 2: must update read cursor for getlocp
1092 Find_CurTrack();
1093 ReadTrack( cdr.SetSectorPlay );
ef79bbde
P		 1094 break;
1095
1096 case CdlTest:
9f8b032d 1097 cdr.Stat = Acknowledge;
1098 switch (cdr.Param[0]) {
1099 case 0x20: // System Controller ROM Version
ef79bbde
P		 1100 SetResultSize(4);
1101 memcpy(cdr.Result, Test20, 4);
1102 break;
1103 case 0x22:
1104 SetResultSize(8);
1105 memcpy(cdr.Result, Test22, 4);
1106 break;
1107 case 0x23: case 0x24:
1108 SetResultSize(8);
1109 memcpy(cdr.Result, Test23, 4);
1110 break;
9f8b032d 1111 }
ef79bbde
P		 1112 break;
1113
9f8b032d 1114 case CdlID:
ef79bbde 1115 SetResultSize(1);
9f8b032d 1116 cdr.StatP |= STATUS_ROTATING;
1117 cdr.Result[0] = cdr.StatP;
1118 cdr.Stat = Acknowledge;
1119 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1120 break;
1121
1122 case CdlID + 0x20:
1123 SetResultSize(8);
9f8b032d 1124
1125 if (CDR_getStatus(&stat) == -1) {
1126 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1127 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1128 }
1129 else {
1130 if (stat.Type == 2) {
1131 // Music CD
1132 cdr.Result[0] = 0x08;
1133 cdr.Result[1] = 0x10;
1134
1135 cdr.Result[1] |= 0x80;
1136 }
1137 else {
1138 // Data CD
1139 if (CdromId[0] == '\0') {
1140 cdr.Result[0] = 0x00;
1141 cdr.Result[1] = 0x80;
1142 }
1143 else {
1144 cdr.Result[0] = 0x08;
1145 cdr.Result[1] = 0x00;
1146 }
1147 }
1148 }
1149
ef79bbde
P		 1150 cdr.Result[2] = 0x00;
1151 cdr.Result[3] = 0x00;
1152 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1153 cdr.Stat = Complete;
1154 break;
1155
1156 case CdlReset:
1157 SetResultSize(1);
9f8b032d 1158 cdr.StatP = STATUS_ROTATING;
ef79bbde 1159 cdr.Result[0] = cdr.StatP;
9f8b032d 1160 cdr.Stat = Acknowledge;
ef79bbde
P		 1161 break;
1162
9f8b032d 1163 case CdlReadT:
1164 SetResultSize(1);
1165 cdr.StatP |= STATUS_ROTATING;
1166 cdr.Result[0] = cdr.StatP;
1167 cdr.Stat = Acknowledge;
1168 AddIrqQueue(CdlReadT + 0x20, 0x800);
1169 break;
1170
1171 case CdlReadT + 0x20:
1172 SetResultSize(1);
1173 cdr.StatP |= STATUS_ROTATING;
1174 cdr.Result[0] = cdr.StatP;
1175 cdr.Stat = Complete;
1176 break;
1177
1178 case CdlReadToc:
ef79bbde 1179 SetResultSize(1);
9f8b032d 1180 cdr.StatP |= STATUS_ROTATING;
1181 cdr.Result[0] = cdr.StatP;
1182 cdr.Stat = Acknowledge;
1183 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1184 break;
1185
9f8b032d 1186 case CdlReadToc + 0x20:
ef79bbde 1187 SetResultSize(1);
9f8b032d 1188 cdr.StatP |= STATUS_ROTATING;
1189 cdr.Result[0] = cdr.StatP;
1190 cdr.Stat = Complete;
ef79bbde
P		 1191 break;
1192
1193 case AUTOPAUSE:
1194 cdr.OCUP = 0;
1195/* SetResultSize(1);
1196 StopCdda();
1197 StopReading();
1198 cdr.OCUP = 0;
9f8b032d 1199 cdr.StatP&=~0x20;
ef79bbde 1200 cdr.StatP|= 0x2;
9f8b032d 1201 cdr.Result[0] = cdr.StatP;
1202 cdr.Stat = DataEnd;
ef79bbde
P		 1203*/ AddIrqQueue(CdlPause, 0x800);
1204 break;
1205
1206 case READ_ACK:
1207 if (!cdr.Reading) return;
1208
9f8b032d 1209
1210 // Fighting Force 2 - update subq time immediately
1211 // - fixes new game
1212 ReadTrack( cdr.SetSector );
1213
1214
1215 // Crusaders of Might and Magic - update getlocl now
1216 // - fixes cutscene speech
1217 {
1218 u8 *buf = CDR_getBuffer();
1219 memcpy(cdr.Transfer, buf, 8);
1220 }
1221
1222
1223 /*
1224 Duke Nukem: Land of the Babes - seek then delay read for one frame
1225 - fixes cutscenes
1226 */
1227
ef79bbde
P		 1228 if (!cdr.Seeked) {
1229 cdr.Seeked = TRUE;
ef79bbde 1230
9f8b032d 1231 cdr.StatP |= STATUS_SEEK;
1232 cdr.StatP &= ~STATUS_READ;
1233
1234 // Crusaders of Might and Magic - use short time
1235 // - fix cutscene speech (startup)
1236
1237 // ??? - use more accurate seek time later
1238 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1239 } else {
1240 cdr.StatP |= STATUS_READ;
1241 cdr.StatP &= ~STATUS_SEEK;
1242
1243 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1244 }
ef79bbde 1245
ef79bbde 1246 SetResultSize(1);
9f8b032d 1247 cdr.StatP |= STATUS_ROTATING;
1248 cdr.Result[0] = cdr.StatP;
1249 cdr.Stat = Acknowledge;
ef79bbde
P		 1250 break;
1251
ef79bbde
P		 1252 case 0xff:
1253 return;
1254
1255 default:
1256 cdr.Stat = Complete;
1257 break;
1258 }
1259
9f8b032d 1260 Check_Shell( Irq );
1261
ef79bbde
P		 1262 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1263 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1264 }
1265
1266#ifdef CDR_LOG
1267 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1268#endif
1269}
1270
1271void cdrReadInterrupt() {
1272 u8 *buf;
1273
1274 if (!cdr.Reading)
1275 return;
1276
9f8b032d 1277 if (cdr.Irq || cdr.Stat) {
1278 CDREAD_INT(0x100);
ef79bbde
P		 1279 return;
1280 }
1281
1282#ifdef CDR_LOG
1283 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1284#endif
1285
9f8b032d 1286 cdr.OCUP = 1;
ef79bbde 1287 SetResultSize(1);
9f8b032d 1288 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1289 cdr.StatP &= ~STATUS_SEEK;
1290 cdr.Result[0] = cdr.StatP;
ef79bbde 1291
9f8b032d 1292 ReadTrack( cdr.SetSector );
ef79bbde
P		 1293
1294 buf = CDR_getBuffer();
1295 if (buf == NULL)
1296 cdr.RErr = -1;
1297
1298 if (cdr.RErr == -1) {
1299#ifdef CDR_LOG
1300 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1301#endif
1302 memset(cdr.Transfer, 0, DATA_SIZE);
1303 cdr.Stat = DiskError;
9f8b032d 1304 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1305 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1306 return;
1307 }
1308
1309 memcpy(cdr.Transfer, buf, DATA_SIZE);
1310 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1311
ef79bbde
P		 1312
1313#ifdef CDR_LOG
1314 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1315#endif
1316
9f8b032d 1317 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1318 // Firemen 2: Multi-XA files - briefings, cutscenes
1319 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1320 cdr.File = cdr.Transfer[4 + 0];
1321 cdr.Channel = cdr.Transfer[4 + 1];
1322 }
1323
ef79bbde 1324 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1325 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1326 (cdr.Transfer[4 + 0] == cdr.File)) {
1327 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1328
1329 if (!ret) {
1330 SPU_playADPCMchannel(&cdr.Xa);
1331 cdr.FirstSector = 0;
9f8b032d 1332
1333
1334 // Crash Team Racing: music, speech
1335
1336 // signal ADPCM data ready
1337 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
ef79bbde
P		 1338 }
1339 else cdr.FirstSector = -1;
1340 }
1341 }
1342
1343 cdr.SetSector[2]++;
9f8b032d 1344 if (cdr.SetSector[2] == 75) {
1345 cdr.SetSector[2] = 0;
1346 cdr.SetSector[1]++;
1347 if (cdr.SetSector[1] == 60) {
1348 cdr.SetSector[1] = 0;
1349 cdr.SetSector[0]++;
1350 }
1351 }
1352
1353 cdr.Readed = 0;
1354
1355 // G-Police: Don't autopause ADPCM even if mode set (music)
1356 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1357 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1358#ifdef CDR_LOG
1359 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1360#endif
9f8b032d 1361// AddIrqQueue(AUTOPAUSE, 0x2000);
1362 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1363 }
1364 else {
9f8b032d 1365 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1366 }
1367
1368 /*
1369 Croc 2: $40 - only FORM1 (*)
1370 Judge Dredd: $C8 - only FORM1 (*)
1371 Sim Theme Park - no adpcm at all (zero)
1372 */
1373
1374 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1375 cdr.Stat = DataReady;
1376 } else {
1377 // Breath of Fire 3 - fix inn sleeping
1378 // Rockman X5 - no music restart problem
1379 cdr.Stat = NoIntr;
ef79bbde
P		 1380 }
1381 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1382
1383 Check_Shell(0);
ef79bbde
P		 1384}
1385
1386/*
1387cdrRead0:
1388 bit 0 - 0 REG1 command send / 1 REG1 data read
1389 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1390 bit 2 - unknown
1391 bit 3 - unknown
1392 bit 4 - unknown
1393 bit 5 - 1 result ready
1394 bit 6 - 1 dma ready
1395 bit 7 - 1 command being processed
1396*/
1397
1398unsigned char cdrRead0(void) {
1399 if (cdr.ResultReady)
1400 cdr.Ctrl |= 0x20;
1401 else
1402 cdr.Ctrl &= ~0x20;
1403
1404 if (cdr.OCUP)
1405 cdr.Ctrl |= 0x40;
1406// else
1407// cdr.Ctrl &= ~0x40;
1408
1409 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1410 cdr.Ctrl |= 0x18;
1411
1412#ifdef CDR_LOG
1413 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1414#endif
1415
1416 return psxHu8(0x1800) = cdr.Ctrl;
1417}
1418
1419/*
1420cdrWrite0:
1421 0 - to send a command / 1 - to get the result
1422*/
1423
1424void cdrWrite0(unsigned char rt) {
1425#ifdef CDR_LOG
1426 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1427#endif
1428 cdr.Ctrl = rt | (cdr.Ctrl & ~0x3);
1429
9f8b032d 1430 if (rt == 0) {
ef79bbde
P		 1431 cdr.ParamP = 0;
1432 cdr.ParamC = 0;
1433 cdr.ResultReady = 0;
1434 }
1435}
1436
1437unsigned char cdrRead1(void) {
1438 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1439 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1440 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1441 cdr.ResultP++;
ef79bbde
P		 1442 if (cdr.ResultP == cdr.ResultC)
1443 cdr.ResultReady = 0;
1444 } else {
1445 psxHu8(0x1801) = 0;
1446 }
1447#ifdef CDR_LOG
1448 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1449#endif
1450 return psxHu8(0x1801);
1451}
1452
1453void cdrWrite1(unsigned char rt) {
1454 int i;
1455
1456#ifdef CDR_LOG
1457 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1458#endif
9f8b032d 1459
1460
1461 // Tekken: CDXA fade-out
1462 if( (cdr.Ctrl & 3) == 3 ) {
1463 //cdr.AttenuatorRight[0] = rt;
1464 }
1465
1466
ef79bbde 1467// psxHu8(0x1801) = rt;
9f8b032d 1468 cdr.Cmd = rt;
ef79bbde
P		 1469 cdr.OCUP = 0;
1470
1471#ifdef CDRCMD_DEBUG
1472 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1473 if (cdr.ParamC) {
1474 SysPrintf(" Param[%d] = {", cdr.ParamC);
1475 for (i = 0; i < cdr.ParamC; i++)
1476 SysPrintf(" %x,", cdr.Param[i]);
1477 SysPrintf("}\n");
1478 } else {
1479 SysPrintf("\n");
1480 }
1481#endif
1482
1483 if (cdr.Ctrl & 0x1) return;
1484
9f8b032d 1485 switch (cdr.Cmd) {
ef79bbde 1486 case CdlSync:
9f8b032d 1487 cdr.Ctrl |= 0x80;
ef79bbde 1488 cdr.Stat = NoIntr;
9f8b032d 1489 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1490 break;
1491
1492 case CdlNop:
9f8b032d 1493 cdr.Ctrl |= 0x80;
ef79bbde 1494 cdr.Stat = NoIntr;
9f8b032d 1495
1496 // Twisted Metal 3 - fix music
1497 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1498 break;
1499
1500 case CdlSetloc:
9f8b032d 1501 StopReading();
1502 cdr.Seeked = FALSE;
1503 for (i = 0; i < 3; i++)
1504 cdr.SetSector[i] = btoi(cdr.Param[i]);
ef79bbde 1505 cdr.SetSector[3] = 0;
9f8b032d 1506
1507 /*
1508 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1509 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1510 }*/
1511
1512 cdr.Ctrl |= 0x80;
ef79bbde 1513 cdr.Stat = NoIntr;
9f8b032d 1514 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1515 break;
1516
1517 case CdlPlay:
9f8b032d 1518 // Vib Ribbon: try same track again
1519 StopCdda();
1520
1521 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1522 if (CDR_getTN(cdr.ResultTN) != -1) {
1523 if (cdr.CurTrack > cdr.ResultTN[1])
1524 cdr.CurTrack = cdr.ResultTN[1];
1525 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1526 int tmp = cdr.ResultTD[2];
1527 cdr.ResultTD[2] = cdr.ResultTD[0];
1528 cdr.ResultTD[0] = tmp;
1529 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1530 }
ef79bbde 1531 }
9f8b032d 1532 } else if (!Config.Cdda) {
1533 CDR_play(cdr.SetSector);
1534 }
1535
1536 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1537 // - fixes ribbon timing + music CD mode
1538 //TODO?
1539 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1540
1541
1542 cdr.Play = TRUE;
1543
1544 cdr.StatP |= STATUS_SEEK;
1545 cdr.StatP &= ~STATUS_ROTATING;
1546
1547 cdr.Ctrl |= 0x80;
1548 cdr.Stat = NoIntr;
1549 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1550 break;
1551
1552 case CdlForward:
9f8b032d 1553 //if (cdr.CurTrack < 0xaa)
1554 // cdr.CurTrack++;
1555 cdr.Ctrl |= 0x80;
ef79bbde 1556 cdr.Stat = NoIntr;
9f8b032d 1557 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1558 break;
1559
1560 case CdlBackward:
9f8b032d 1561 //if (cdr.CurTrack > 1)
1562 //cdr.CurTrack--;
1563 cdr.Ctrl |= 0x80;
1564 cdr.Stat = NoIntr;
1565 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1566 break;
1567
1568 case CdlReadN:
9f8b032d 1569 cdr.Irq = 0;
1570 StopReading();
1571 cdr.Ctrl|= 0x80;
1572 cdr.Stat = NoIntr;
1573 StartReading(1, 0x800);
1574 break;
ef79bbde
P		 1575
1576 case CdlStandby:
9f8b032d 1577 StopCdda();
1578 StopReading();
1579 cdr.Ctrl |= 0x80;
1580 cdr.Stat = NoIntr;
1581 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1582 break;
1583
1584 case CdlStop:
9f8b032d 1585 // GameShark CD Player: Reset CDDA to track start
1586 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1587 cdr.SetSectorPlay[0] = stat.Time[0];
1588 cdr.SetSectorPlay[1] = stat.Time[1];
1589 cdr.SetSectorPlay[2] = stat.Time[2];
1590
1591 Find_CurTrack();
1592
1593
1594 // grab time for current track
1595 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1596
1597 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1598 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1599 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1600 }
1601
1602 StopCdda();
1603 StopReading();
1604
1605 cdr.Ctrl |= 0x80;
1606 cdr.Stat = NoIntr;
1607 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1608 break;
1609
1610 case CdlPause:
9f8b032d 1611 /*
1612 GameShark CD Player: save time for resume
1613
aa1f7284 1614 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1615 */
ef79bbde 1616
9f8b032d 1617 StopCdda();
1618 StopReading();
1619 cdr.Ctrl |= 0x80;
1620 cdr.Stat = NoIntr;
1621
12228917 1622 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1623 break;
1624
1625 case CdlReset:
ef79bbde 1626 case CdlInit:
9f8b032d 1627 StopCdda();
1628 StopReading();
1629 cdr.Ctrl |= 0x80;
1630 cdr.Stat = NoIntr;
1631 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1632 break;
1633
1634 case CdlMute:
1635 cdr.Muted = TRUE;
9f8b032d 1636 cdr.Ctrl |= 0x80;
ef79bbde 1637 cdr.Stat = NoIntr;
9f8b032d 1638 AddIrqQueue(cdr.Cmd, 0x800);
1639
1640 // Duke Nukem - Time to Kill
1641 // - do not directly set cd-xa volume
1642 //SPU_writeRegister( H_CDLeft, 0x0000 );
1643 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1644 break;
1645
1646 case CdlDemute:
1647 cdr.Muted = FALSE;
9f8b032d 1648 cdr.Ctrl |= 0x80;
ef79bbde 1649 cdr.Stat = NoIntr;
9f8b032d 1650 AddIrqQueue(cdr.Cmd, 0x800);
1651
1652 // Duke Nukem - Time to Kill
1653 // - do not directly set cd-xa volume
1654 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1655 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1656 break;
1657
1658 case CdlSetfilter:
1659 cdr.File = cdr.Param[0];
1660 cdr.Channel = cdr.Param[1];
9f8b032d 1661 cdr.Ctrl |= 0x80;
ef79bbde 1662 cdr.Stat = NoIntr;
9f8b032d 1663 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1664 break;
1665
1666 case CdlSetmode:
1667#ifdef CDR_LOG
9f8b032d 1668 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1669#endif
1670 cdr.Mode = cdr.Param[0];
9f8b032d 1671 cdr.Ctrl |= 0x80;
ef79bbde 1672 cdr.Stat = NoIntr;
9f8b032d 1673 AddIrqQueue(cdr.Cmd, 0x800);
1674
1675 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1676 // - fixes choppy movie sound
1677 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1678 StopCdda();
ef79bbde
P		 1679 break;
1680
1681 case CdlGetmode:
9f8b032d 1682 cdr.Ctrl |= 0x80;
ef79bbde 1683 cdr.Stat = NoIntr;
9f8b032d 1684 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1685 break;
1686
1687 case CdlGetlocL:
9f8b032d 1688 cdr.Ctrl |= 0x80;
1689 cdr.Stat = NoIntr;
1690
1691 // Crusaders of Might and Magic - cutscene speech
1692 AddIrqQueue(cdr.Cmd, 0x800);
1693 break;
ef79bbde
P		 1694
1695 case CdlGetlocP:
9f8b032d 1696 cdr.Ctrl |= 0x80;
1697 cdr.Stat = NoIntr;
1698
1699 // GameShark CDX / Lite Player: pretty narrow time window
1700 // - doesn't always work due to time inprecision
1701 //AddIrqQueue(cdr.Cmd, 0x28);
1702
1703 // Tomb Raider 2 - cdda
53951880 1704 //AddIrqQueue(cdr.Cmd, 0x40);
1705
1706 // rearmed: the above works in pcsxr-svn, but breaks here
1707 // (TOCA world touring cars), perhaps some other code is not merged yet
1708 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1709 break;
1710
1711 case CdlGetTN:
9f8b032d 1712 cdr.Ctrl |= 0x80;
1713 cdr.Stat = NoIntr;
1714 //AddIrqQueue(cdr.Cmd, 0x800);
1715
1716 // GameShark CDX CD Player: very long time
1717 AddIrqQueue(cdr.Cmd, 0x100000);
1718 break;
ef79bbde
P		 1719
1720 case CdlGetTD:
9f8b032d 1721 cdr.Ctrl |= 0x80;
ef79bbde 1722 cdr.Stat = NoIntr;
9f8b032d 1723 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1724 break;
1725
1726 case CdlSeekL:
1727// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1728 cdr.Ctrl |= 0x80;
1729 cdr.Stat = NoIntr;
1730 AddIrqQueue(cdr.Cmd, 0x800);
1731
1732 StopCdda();
1733 StopReading();
1734
1735 break;
ef79bbde
P		 1736
1737 case CdlSeekP:
1738// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1739 cdr.Ctrl |= 0x80;
ef79bbde 1740 cdr.Stat = NoIntr;
9f8b032d 1741
1742 // Tomb Raider 2 - reset cdda
1743 StopCdda();
1744 StopReading();
1745
1746 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1747 break;
1748
9f8b032d 1749 // Destruction Derby: read TOC? GetTD after this
1750 case CdlReadT:
1751 cdr.Ctrl |= 0x80;
1752 cdr.Stat = NoIntr;
1753 AddIrqQueue(cdr.Cmd, 0x800);
1754 break;
1755
ef79bbde 1756 case CdlTest:
9f8b032d 1757 cdr.Ctrl |= 0x80;
ef79bbde 1758 cdr.Stat = NoIntr;
9f8b032d 1759 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1760 break;
1761
1762 case CdlID:
9f8b032d 1763 cdr.Ctrl |= 0x80;
ef79bbde 1764 cdr.Stat = NoIntr;
9f8b032d 1765 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1766 break;
1767
1768 case CdlReadS:
9f8b032d 1769 cdr.Irq = 0;
1770 StopReading();
1771 cdr.Ctrl |= 0x80;
1772 cdr.Stat = NoIntr;
1773 StartReading(2, 0x800);
1774 break;
ef79bbde
P		 1775
1776 case CdlReadToc:
9f8b032d 1777 cdr.Ctrl |= 0x80;
ef79bbde 1778 cdr.Stat = NoIntr;
9f8b032d 1779 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1780 break;
1781
1782 default:
1783#ifdef CDR_LOG
9f8b032d 1784 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1785#endif
9f8b032d 1786 return;
1787 }
ef79bbde
P		 1788 if (cdr.Stat != NoIntr) {
1789 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1790 }
1791}
1792
1793unsigned char cdrRead2(void) {
1794 unsigned char ret;
1795
1796 if (cdr.Readed == 0) {
1797 ret = 0;
1798 } else {
1799 ret = *cdr.pTransfer++;
1800 }
1801
1802#ifdef CDR_LOG
1803 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1804#endif
1805 return ret;
1806}
1807
1808void cdrWrite2(unsigned char rt) {
1809#ifdef CDR_LOG
1810 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1811#endif
9f8b032d 1812
1813 // Tekken: CDXA fade-out
1814 if( (cdr.Ctrl & 3) == 2 ) {
1815 //cdr.AttenuatorLeft[0] = rt;
1816 }
1817 else if( (cdr.Ctrl & 3) == 3 ) {
1818 //cdr.AttenuatorRight[1] = rt;
1819 }
1820
1821
1822 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1823 switch (rt) {
1824 case 0x07:
9f8b032d 1825 cdr.ParamP = 0;
ef79bbde
P		 1826 cdr.ParamC = 0;
1827 cdr.ResultReady = 1; //0;
1828 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1829 break;
1830
1831 default:
1832 cdr.Reg2 = rt;
1833 break;
1834 }
9f8b032d 1835 } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) {
ef79bbde
P		 1836 cdr.Param[cdr.ParamP++] = rt;
1837 cdr.ParamC++;
1838 }
1839}
1840
1841unsigned char cdrRead3(void) {
1842 if (cdr.Stat) {
1843 if (cdr.Ctrl & 0x1)
1844 psxHu8(0x1803) = cdr.Stat | 0xE0;
1845 else
1846 psxHu8(0x1803) = 0xff;
1847 } else {
1848 psxHu8(0x1803) = 0;
1849 }
1850#ifdef CDR_LOG
1851 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1852#endif
1853 return psxHu8(0x1803);
1854}
1855
1856void cdrWrite3(unsigned char rt) {
1857#ifdef CDR_LOG
1858 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1859#endif
9f8b032d 1860/*
1861 // Tekken: CDXA fade-out
1862 if( (cdr.Ctrl & 3) == 2 ) {
1863 cdr.AttenuatorLeft[1] = rt;
1864 }
1865 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1866#ifdef CDR_LOG
1867 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1868 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1869 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1870#endif
1871 }
1872*/
1873
1874 // GameShark CDX CD Player: Irq timing mania
1875 if( rt == 0 &&
1876 cdr.Irq != 0 && cdr.Irq != 0xff &&
1877 cdr.ResultReady == 0 ) {
1878
1879 // GS CDX: ~0x28 cycle timing - way too precise
1880 if( cdr.Irq == CdlGetlocP ) {
1881 cdrInterrupt();
1882
1883 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1884 }
1885 }
1886
1887
1888 if (rt == 0x07 && cdr.Ctrl & 0x1) {
ef79bbde
P		 1889 cdr.Stat = 0;
1890
1891 if (cdr.Irq == 0xff) {
1892 cdr.Irq = 0;
1893 return;
1894 }
9f8b032d 1895
aa40e1b8 1896 // XA streaming - incorrect timing because of this reschedule
1897 // - Final Fantasy Tactics
1898 // - various other games
1899
1900 /*
9f8b032d 1901 if (cdr.Reading && !cdr.ResultReady) {
1902 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1903 }
aa40e1b8 1904 */
ef79bbde
P		 1905
1906 return;
1907 }
9f8b032d 1908
ef79bbde
P		 1909 if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) {
1910 cdr.Readed = 1;
1911 cdr.pTransfer = cdr.Transfer;
1912
1913 switch (cdr.Mode & 0x30) {
9f8b032d 1914 case MODE_SIZE_2328:
ef79bbde
P		 1915 case 0x00:
1916 cdr.pTransfer += 12;
1917 break;
9f8b032d 1918
1919 case MODE_SIZE_2340:
1920 cdr.pTransfer += 0;
1921 break;
1922
ef79bbde
P		 1923 default:
1924 break;
1925 }
1926 }
1927}
1928
1929void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1930 u32 cdsize;
1931 u8 *ptr;
1932
1933#ifdef CDR_LOG
1934 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1935#endif
1936
1937 switch (chcr) {
1938 case 0x11000000:
1939 case 0x11400100:
1940 if (cdr.Readed == 0) {
1941#ifdef CDR_LOG
1942 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1943#endif
1944 break;
1945 }
1946
1947 cdsize = (bcr & 0xffff) * 4;
1948
9f8b032d 1949 // Ape Escape: bcr = 0001 / 0000
1950 // - fix boot
1951 if( cdsize == 0 )
1952 {
1953 switch (cdr.Mode & 0x30) {
1954 case 0x00: cdsize = 2048; break;
1955 case MODE_SIZE_2328: cdsize = 2328; break;
1956 case MODE_SIZE_2340: cdsize = 2340; break;
1957 }
1958 }
1959
1960
ef79bbde
P		 1961 ptr = (u8 *)PSXM(madr);
1962 if (ptr == NULL) {
1963#ifdef CPU_LOG
1964 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1965#endif
1966 break;
1967 }
9f8b032d 1968
1969 /*
1970 GS CDX: Enhancement CD crash
1971 - Setloc 0:0:0
1972 - CdlPlay
1973 - Spams DMA3 and gets buffer overrun
1974 */
1975
1976 if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 )
1977 {
1978 // avoid crash - probably should wrap here
1979 //memcpy(ptr, cdr.pTransfer, cdsize);
1980 }
1981 else
1982 {
1983 memcpy(ptr, cdr.pTransfer, cdsize);
1984 }
1985
ef79bbde
P		 1986 psxCpu->Clear(madr, cdsize / 4);
1987 cdr.pTransfer += cdsize;
9f8b032d 1988
1989
1990 // burst vs normal
1991 if( chcr == 0x11400100 ) {
1992 CDRDMA_INT( (cdsize/4) / 4 );
1993 }
1994 else if( chcr == 0x11000000 ) {
1995 CDRDMA_INT( (cdsize/4) * 1 );
1996 }
1997 return;
1998
ef79bbde
P		 1999 default:
2000#ifdef CDR_LOG
2001 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2002#endif
2003 break;
2004 }
2005
2006 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2007 DMA_INTERRUPT(3);
2008}
2009
9f8b032d 2010void cdrDmaInterrupt()
2011{
2012 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2013 DMA_INTERRUPT(3);
2014}
2015
ef79bbde
P		 2016void cdrReset() {
2017 memset(&cdr, 0, sizeof(cdr));
2018 cdr.CurTrack = 1;
2019 cdr.File = 1;
2020 cdr.Channel = 1;
2021}
2022
2023int cdrFreeze(gzFile f, int Mode) {
2024 uintptr_t tmp;
2025
ef79bbde 2026
9f8b032d 2027 if( Mode == 0 ) {
2028 StopCdda();
2029 }
2030
2031 gzfreeze(&cdr, sizeof(cdr));
2032
ef79bbde
P		 2033 if (Mode == 1)
2034 tmp = cdr.pTransfer - cdr.Transfer;
2035
2036 gzfreeze(&tmp, sizeof(tmp));
2037
2038 if (Mode == 0)
2039 cdr.pTransfer = cdr.Transfer + tmp;
2040
2041 return 0;
2042}
9f8b032d 2043
2044void LidInterrupt() {
2045 cdr.LidCheck = 0x20; // start checker
2046
2047 CDRLID_INT( cdReadTime * 3 );
2048
2049 // generate interrupt if none active - open or close
2050 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2051 cdr.Ctrl |= 0x80;
2052 cdr.Stat = NoIntr;
2053 AddIrqQueue(CdlNop, 0x800);
2054 }
2055}
ARM optimized PCSX fork