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cdrom: do a NULL check, some plugins may return that
[pcsx_rearmed.git] / libpcsxcore / cdrom.c
CommitLineData
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();
a48ae3a7 1219 if (buf != NULL)
1220 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1221 }
1222
1223
1224 /*
1225 Duke Nukem: Land of the Babes - seek then delay read for one frame
1226 - fixes cutscenes
1227 */
1228
ef79bbde
P		 1229 if (!cdr.Seeked) {
1230 cdr.Seeked = TRUE;
ef79bbde 1231
9f8b032d 1232 cdr.StatP |= STATUS_SEEK;
1233 cdr.StatP &= ~STATUS_READ;
1234
1235 // Crusaders of Might and Magic - use short time
1236 // - fix cutscene speech (startup)
1237
1238 // ??? - use more accurate seek time later
1239 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1240 } else {
1241 cdr.StatP |= STATUS_READ;
1242 cdr.StatP &= ~STATUS_SEEK;
1243
1244 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1245 }
ef79bbde 1246
ef79bbde 1247 SetResultSize(1);
9f8b032d 1248 cdr.StatP |= STATUS_ROTATING;
1249 cdr.Result[0] = cdr.StatP;
1250 cdr.Stat = Acknowledge;
ef79bbde
P		 1251 break;
1252
ef79bbde
P		 1253 case 0xff:
1254 return;
1255
1256 default:
1257 cdr.Stat = Complete;
1258 break;
1259 }
1260
9f8b032d 1261 Check_Shell( Irq );
1262
ef79bbde
P		 1263 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1264 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1265 }
1266
1267#ifdef CDR_LOG
1268 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1269#endif
1270}
1271
1272void cdrReadInterrupt() {
1273 u8 *buf;
1274
1275 if (!cdr.Reading)
1276 return;
1277
9f8b032d 1278 if (cdr.Irq || cdr.Stat) {
1279 CDREAD_INT(0x100);
ef79bbde
P		 1280 return;
1281 }
1282
1283#ifdef CDR_LOG
1284 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1285#endif
1286
9f8b032d 1287 cdr.OCUP = 1;
ef79bbde 1288 SetResultSize(1);
9f8b032d 1289 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1290 cdr.StatP &= ~STATUS_SEEK;
1291 cdr.Result[0] = cdr.StatP;
ef79bbde 1292
9f8b032d 1293 ReadTrack( cdr.SetSector );
ef79bbde
P		 1294
1295 buf = CDR_getBuffer();
1296 if (buf == NULL)
1297 cdr.RErr = -1;
1298
1299 if (cdr.RErr == -1) {
1300#ifdef CDR_LOG
1301 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1302#endif
1303 memset(cdr.Transfer, 0, DATA_SIZE);
1304 cdr.Stat = DiskError;
9f8b032d 1305 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1306 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1307 return;
1308 }
1309
1310 memcpy(cdr.Transfer, buf, DATA_SIZE);
1311 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1312
ef79bbde
P		 1313
1314#ifdef CDR_LOG
1315 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1316#endif
1317
9f8b032d 1318 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1319 // Firemen 2: Multi-XA files - briefings, cutscenes
1320 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1321 cdr.File = cdr.Transfer[4 + 0];
1322 cdr.Channel = cdr.Transfer[4 + 1];
1323 }
1324
ef79bbde 1325 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1326 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1327 (cdr.Transfer[4 + 0] == cdr.File)) {
1328 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1329
1330 if (!ret) {
1331 SPU_playADPCMchannel(&cdr.Xa);
1332 cdr.FirstSector = 0;
9f8b032d 1333
2f246254 1334#if 0
9f8b032d 1335 // Crash Team Racing: music, speech
2f246254 1336 // - done using cdda decoded buffer (spu irq)
1337 // - don't do here
9f8b032d 1338
1339 // signal ADPCM data ready
1340 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1341#endif
ef79bbde
P		 1342 }
1343 else cdr.FirstSector = -1;
1344 }
1345 }
1346
1347 cdr.SetSector[2]++;
9f8b032d 1348 if (cdr.SetSector[2] == 75) {
1349 cdr.SetSector[2] = 0;
1350 cdr.SetSector[1]++;
1351 if (cdr.SetSector[1] == 60) {
1352 cdr.SetSector[1] = 0;
1353 cdr.SetSector[0]++;
1354 }
1355 }
1356
1357 cdr.Readed = 0;
1358
1359 // G-Police: Don't autopause ADPCM even if mode set (music)
1360 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1361 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1362#ifdef CDR_LOG
1363 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1364#endif
9f8b032d 1365// AddIrqQueue(AUTOPAUSE, 0x2000);
1366 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1367 }
1368 else {
9f8b032d 1369 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1370 }
1371
1372 /*
1373 Croc 2: $40 - only FORM1 (*)
1374 Judge Dredd: $C8 - only FORM1 (*)
1375 Sim Theme Park - no adpcm at all (zero)
1376 */
1377
1378 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1379 cdr.Stat = DataReady;
1380 } else {
1381 // Breath of Fire 3 - fix inn sleeping
1382 // Rockman X5 - no music restart problem
1383 cdr.Stat = NoIntr;
ef79bbde
P		 1384 }
1385 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1386
1387 Check_Shell(0);
ef79bbde
P		 1388}
1389
1390/*
1391cdrRead0:
1392 bit 0 - 0 REG1 command send / 1 REG1 data read
1393 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1394 bit 2 - unknown
1395 bit 3 - unknown
1396 bit 4 - unknown
1397 bit 5 - 1 result ready
1398 bit 6 - 1 dma ready
1399 bit 7 - 1 command being processed
1400*/
1401
1402unsigned char cdrRead0(void) {
1403 if (cdr.ResultReady)
1404 cdr.Ctrl |= 0x20;
1405 else
1406 cdr.Ctrl &= ~0x20;
1407
1408 if (cdr.OCUP)
1409 cdr.Ctrl |= 0x40;
1410// else
1411// cdr.Ctrl &= ~0x40;
1412
1413 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1414 cdr.Ctrl |= 0x18;
1415
1416#ifdef CDR_LOG
1417 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1418#endif
1419
1420 return psxHu8(0x1800) = cdr.Ctrl;
1421}
1422
1423/*
1424cdrWrite0:
1425 0 - to send a command / 1 - to get the result
1426*/
1427
1428void cdrWrite0(unsigned char rt) {
1429#ifdef CDR_LOG
1430 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1431#endif
1432 cdr.Ctrl = rt | (cdr.Ctrl & ~0x3);
1433
9f8b032d 1434 if (rt == 0) {
ef79bbde
P		 1435 cdr.ParamP = 0;
1436 cdr.ParamC = 0;
1437 cdr.ResultReady = 0;
1438 }
1439}
1440
1441unsigned char cdrRead1(void) {
1442 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1443 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1444 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1445 cdr.ResultP++;
ef79bbde
P		 1446 if (cdr.ResultP == cdr.ResultC)
1447 cdr.ResultReady = 0;
1448 } else {
1449 psxHu8(0x1801) = 0;
1450 }
1451#ifdef CDR_LOG
1452 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1453#endif
1454 return psxHu8(0x1801);
1455}
1456
1457void cdrWrite1(unsigned char rt) {
1458 int i;
1459
1460#ifdef CDR_LOG
1461 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1462#endif
9f8b032d 1463
1464
1465 // Tekken: CDXA fade-out
1466 if( (cdr.Ctrl & 3) == 3 ) {
1467 //cdr.AttenuatorRight[0] = rt;
1468 }
1469
1470
ef79bbde 1471// psxHu8(0x1801) = rt;
9f8b032d 1472 cdr.Cmd = rt;
ef79bbde
P		 1473 cdr.OCUP = 0;
1474
1475#ifdef CDRCMD_DEBUG
1476 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1477 if (cdr.ParamC) {
1478 SysPrintf(" Param[%d] = {", cdr.ParamC);
1479 for (i = 0; i < cdr.ParamC; i++)
1480 SysPrintf(" %x,", cdr.Param[i]);
1481 SysPrintf("}\n");
1482 } else {
1483 SysPrintf("\n");
1484 }
1485#endif
1486
1487 if (cdr.Ctrl & 0x1) return;
1488
9f8b032d 1489 switch (cdr.Cmd) {
ef79bbde 1490 case CdlSync:
9f8b032d 1491 cdr.Ctrl |= 0x80;
ef79bbde 1492 cdr.Stat = NoIntr;
9f8b032d 1493 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1494 break;
1495
1496 case CdlNop:
9f8b032d 1497 cdr.Ctrl |= 0x80;
ef79bbde 1498 cdr.Stat = NoIntr;
9f8b032d 1499
1500 // Twisted Metal 3 - fix music
1501 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1502 break;
1503
1504 case CdlSetloc:
9f8b032d 1505 StopReading();
1506 cdr.Seeked = FALSE;
1507 for (i = 0; i < 3; i++)
1508 cdr.SetSector[i] = btoi(cdr.Param[i]);
ef79bbde 1509 cdr.SetSector[3] = 0;
9f8b032d 1510
1511 /*
1512 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1513 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1514 }*/
1515
1516 cdr.Ctrl |= 0x80;
ef79bbde 1517 cdr.Stat = NoIntr;
9f8b032d 1518 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1519 break;
1520
1521 case CdlPlay:
9f8b032d 1522 // Vib Ribbon: try same track again
1523 StopCdda();
1524
1525 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1526 if (CDR_getTN(cdr.ResultTN) != -1) {
1527 if (cdr.CurTrack > cdr.ResultTN[1])
1528 cdr.CurTrack = cdr.ResultTN[1];
1529 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1530 int tmp = cdr.ResultTD[2];
1531 cdr.ResultTD[2] = cdr.ResultTD[0];
1532 cdr.ResultTD[0] = tmp;
1533 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1534 }
ef79bbde 1535 }
9f8b032d 1536 } else if (!Config.Cdda) {
1537 CDR_play(cdr.SetSector);
1538 }
1539
1540 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1541 // - fixes ribbon timing + music CD mode
1542 //TODO?
1543 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1544
1545
1546 cdr.Play = TRUE;
1547
1548 cdr.StatP |= STATUS_SEEK;
1549 cdr.StatP &= ~STATUS_ROTATING;
1550
1551 cdr.Ctrl |= 0x80;
1552 cdr.Stat = NoIntr;
1553 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1554 break;
1555
1556 case CdlForward:
9f8b032d 1557 //if (cdr.CurTrack < 0xaa)
1558 // cdr.CurTrack++;
1559 cdr.Ctrl |= 0x80;
ef79bbde 1560 cdr.Stat = NoIntr;
9f8b032d 1561 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1562 break;
1563
1564 case CdlBackward:
9f8b032d 1565 //if (cdr.CurTrack > 1)
1566 //cdr.CurTrack--;
1567 cdr.Ctrl |= 0x80;
1568 cdr.Stat = NoIntr;
1569 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1570 break;
1571
1572 case CdlReadN:
9f8b032d 1573 cdr.Irq = 0;
1574 StopReading();
1575 cdr.Ctrl|= 0x80;
1576 cdr.Stat = NoIntr;
1577 StartReading(1, 0x800);
1578 break;
ef79bbde
P		 1579
1580 case CdlStandby:
9f8b032d 1581 StopCdda();
1582 StopReading();
1583 cdr.Ctrl |= 0x80;
1584 cdr.Stat = NoIntr;
1585 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1586 break;
1587
1588 case CdlStop:
9f8b032d 1589 // GameShark CD Player: Reset CDDA to track start
1590 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1591 cdr.SetSectorPlay[0] = stat.Time[0];
1592 cdr.SetSectorPlay[1] = stat.Time[1];
1593 cdr.SetSectorPlay[2] = stat.Time[2];
1594
1595 Find_CurTrack();
1596
1597
1598 // grab time for current track
1599 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1600
1601 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1602 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1603 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1604 }
1605
1606 StopCdda();
1607 StopReading();
1608
1609 cdr.Ctrl |= 0x80;
1610 cdr.Stat = NoIntr;
1611 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1612 break;
1613
1614 case CdlPause:
9f8b032d 1615 /*
1616 GameShark CD Player: save time for resume
1617
aa1f7284 1618 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1619 */
ef79bbde 1620
9f8b032d 1621 StopCdda();
1622 StopReading();
1623 cdr.Ctrl |= 0x80;
1624 cdr.Stat = NoIntr;
1625
12228917 1626 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1627 break;
1628
1629 case CdlReset:
ef79bbde 1630 case CdlInit:
9f8b032d 1631 StopCdda();
1632 StopReading();
1633 cdr.Ctrl |= 0x80;
1634 cdr.Stat = NoIntr;
1635 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1636 break;
1637
1638 case CdlMute:
1639 cdr.Muted = TRUE;
9f8b032d 1640 cdr.Ctrl |= 0x80;
ef79bbde 1641 cdr.Stat = NoIntr;
9f8b032d 1642 AddIrqQueue(cdr.Cmd, 0x800);
1643
1644 // Duke Nukem - Time to Kill
1645 // - do not directly set cd-xa volume
1646 //SPU_writeRegister( H_CDLeft, 0x0000 );
1647 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1648 break;
1649
1650 case CdlDemute:
1651 cdr.Muted = FALSE;
9f8b032d 1652 cdr.Ctrl |= 0x80;
ef79bbde 1653 cdr.Stat = NoIntr;
9f8b032d 1654 AddIrqQueue(cdr.Cmd, 0x800);
1655
1656 // Duke Nukem - Time to Kill
1657 // - do not directly set cd-xa volume
1658 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1659 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1660 break;
1661
1662 case CdlSetfilter:
1663 cdr.File = cdr.Param[0];
1664 cdr.Channel = cdr.Param[1];
9f8b032d 1665 cdr.Ctrl |= 0x80;
ef79bbde 1666 cdr.Stat = NoIntr;
9f8b032d 1667 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1668 break;
1669
1670 case CdlSetmode:
1671#ifdef CDR_LOG
9f8b032d 1672 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1673#endif
1674 cdr.Mode = cdr.Param[0];
9f8b032d 1675 cdr.Ctrl |= 0x80;
ef79bbde 1676 cdr.Stat = NoIntr;
9f8b032d 1677 AddIrqQueue(cdr.Cmd, 0x800);
1678
1679 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1680 // - fixes choppy movie sound
1681 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1682 StopCdda();
ef79bbde
P		 1683 break;
1684
1685 case CdlGetmode:
9f8b032d 1686 cdr.Ctrl |= 0x80;
ef79bbde 1687 cdr.Stat = NoIntr;
9f8b032d 1688 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1689 break;
1690
1691 case CdlGetlocL:
9f8b032d 1692 cdr.Ctrl |= 0x80;
1693 cdr.Stat = NoIntr;
1694
1695 // Crusaders of Might and Magic - cutscene speech
1696 AddIrqQueue(cdr.Cmd, 0x800);
1697 break;
ef79bbde
P		 1698
1699 case CdlGetlocP:
9f8b032d 1700 cdr.Ctrl |= 0x80;
1701 cdr.Stat = NoIntr;
1702
1703 // GameShark CDX / Lite Player: pretty narrow time window
1704 // - doesn't always work due to time inprecision
1705 //AddIrqQueue(cdr.Cmd, 0x28);
1706
1707 // Tomb Raider 2 - cdda
53951880 1708 //AddIrqQueue(cdr.Cmd, 0x40);
1709
1710 // rearmed: the above works in pcsxr-svn, but breaks here
1711 // (TOCA world touring cars), perhaps some other code is not merged yet
1712 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1713 break;
1714
1715 case CdlGetTN:
9f8b032d 1716 cdr.Ctrl |= 0x80;
1717 cdr.Stat = NoIntr;
1718 //AddIrqQueue(cdr.Cmd, 0x800);
1719
1720 // GameShark CDX CD Player: very long time
1721 AddIrqQueue(cdr.Cmd, 0x100000);
1722 break;
ef79bbde
P		 1723
1724 case CdlGetTD:
9f8b032d 1725 cdr.Ctrl |= 0x80;
ef79bbde 1726 cdr.Stat = NoIntr;
9f8b032d 1727 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1728 break;
1729
1730 case CdlSeekL:
1731// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1732 cdr.Ctrl |= 0x80;
1733 cdr.Stat = NoIntr;
1734 AddIrqQueue(cdr.Cmd, 0x800);
1735
1736 StopCdda();
1737 StopReading();
1738
1739 break;
ef79bbde
P		 1740
1741 case CdlSeekP:
1742// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1743 cdr.Ctrl |= 0x80;
ef79bbde 1744 cdr.Stat = NoIntr;
9f8b032d 1745
1746 // Tomb Raider 2 - reset cdda
1747 StopCdda();
1748 StopReading();
1749
1750 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1751 break;
1752
9f8b032d 1753 // Destruction Derby: read TOC? GetTD after this
1754 case CdlReadT:
1755 cdr.Ctrl |= 0x80;
1756 cdr.Stat = NoIntr;
1757 AddIrqQueue(cdr.Cmd, 0x800);
1758 break;
1759
ef79bbde 1760 case CdlTest:
9f8b032d 1761 cdr.Ctrl |= 0x80;
ef79bbde 1762 cdr.Stat = NoIntr;
9f8b032d 1763 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1764 break;
1765
1766 case CdlID:
9f8b032d 1767 cdr.Ctrl |= 0x80;
ef79bbde 1768 cdr.Stat = NoIntr;
9f8b032d 1769 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1770 break;
1771
1772 case CdlReadS:
9f8b032d 1773 cdr.Irq = 0;
1774 StopReading();
1775 cdr.Ctrl |= 0x80;
1776 cdr.Stat = NoIntr;
1777 StartReading(2, 0x800);
1778 break;
ef79bbde
P		 1779
1780 case CdlReadToc:
9f8b032d 1781 cdr.Ctrl |= 0x80;
ef79bbde 1782 cdr.Stat = NoIntr;
9f8b032d 1783 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1784 break;
1785
1786 default:
1787#ifdef CDR_LOG
9f8b032d 1788 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1789#endif
9f8b032d 1790 return;
1791 }
ef79bbde
P		 1792 if (cdr.Stat != NoIntr) {
1793 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1794 }
1795}
1796
1797unsigned char cdrRead2(void) {
1798 unsigned char ret;
1799
1800 if (cdr.Readed == 0) {
1801 ret = 0;
1802 } else {
1803 ret = *cdr.pTransfer++;
1804 }
1805
1806#ifdef CDR_LOG
1807 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1808#endif
1809 return ret;
1810}
1811
1812void cdrWrite2(unsigned char rt) {
1813#ifdef CDR_LOG
1814 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1815#endif
9f8b032d 1816
1817 // Tekken: CDXA fade-out
1818 if( (cdr.Ctrl & 3) == 2 ) {
1819 //cdr.AttenuatorLeft[0] = rt;
1820 }
1821 else if( (cdr.Ctrl & 3) == 3 ) {
1822 //cdr.AttenuatorRight[1] = rt;
1823 }
1824
1825
1826 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1827 switch (rt) {
1828 case 0x07:
9f8b032d 1829 cdr.ParamP = 0;
ef79bbde
P		 1830 cdr.ParamC = 0;
1831 cdr.ResultReady = 1; //0;
1832 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1833 break;
1834
1835 default:
1836 cdr.Reg2 = rt;
1837 break;
1838 }
9f8b032d 1839 } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) {
ef79bbde
P		 1840 cdr.Param[cdr.ParamP++] = rt;
1841 cdr.ParamC++;
1842 }
1843}
1844
1845unsigned char cdrRead3(void) {
1846 if (cdr.Stat) {
1847 if (cdr.Ctrl & 0x1)
1848 psxHu8(0x1803) = cdr.Stat | 0xE0;
1849 else
1850 psxHu8(0x1803) = 0xff;
1851 } else {
1852 psxHu8(0x1803) = 0;
1853 }
1854#ifdef CDR_LOG
1855 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1856#endif
1857 return psxHu8(0x1803);
1858}
1859
1860void cdrWrite3(unsigned char rt) {
1861#ifdef CDR_LOG
1862 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1863#endif
9f8b032d 1864/*
1865 // Tekken: CDXA fade-out
1866 if( (cdr.Ctrl & 3) == 2 ) {
1867 cdr.AttenuatorLeft[1] = rt;
1868 }
1869 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1870#ifdef CDR_LOG
1871 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1872 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1873 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1874#endif
1875 }
1876*/
1877
1878 // GameShark CDX CD Player: Irq timing mania
1879 if( rt == 0 &&
1880 cdr.Irq != 0 && cdr.Irq != 0xff &&
1881 cdr.ResultReady == 0 ) {
1882
1883 // GS CDX: ~0x28 cycle timing - way too precise
1884 if( cdr.Irq == CdlGetlocP ) {
1885 cdrInterrupt();
1886
1887 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1888 }
1889 }
1890
1891
1892 if (rt == 0x07 && cdr.Ctrl & 0x1) {
ef79bbde
P		 1893 cdr.Stat = 0;
1894
1895 if (cdr.Irq == 0xff) {
1896 cdr.Irq = 0;
1897 return;
1898 }
9f8b032d 1899
aa40e1b8 1900 // XA streaming - incorrect timing because of this reschedule
1901 // - Final Fantasy Tactics
1902 // - various other games
1903
25c32cec 1904 if (cdr.Irq) // rearmed guesswork hack
9f8b032d 1905 if (cdr.Reading && !cdr.ResultReady) {
1906 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1907 }
ef79bbde
P		 1908
1909 return;
1910 }
9f8b032d 1911
ef79bbde
P		 1912 if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) {
1913 cdr.Readed = 1;
1914 cdr.pTransfer = cdr.Transfer;
1915
1916 switch (cdr.Mode & 0x30) {
9f8b032d 1917 case MODE_SIZE_2328:
ef79bbde
P		 1918 case 0x00:
1919 cdr.pTransfer += 12;
1920 break;
9f8b032d 1921
1922 case MODE_SIZE_2340:
1923 cdr.pTransfer += 0;
1924 break;
1925
ef79bbde
P		 1926 default:
1927 break;
1928 }
1929 }
1930}
1931
1932void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1933 u32 cdsize;
1934 u8 *ptr;
1935
1936#ifdef CDR_LOG
1937 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1938#endif
1939
1940 switch (chcr) {
1941 case 0x11000000:
1942 case 0x11400100:
1943 if (cdr.Readed == 0) {
1944#ifdef CDR_LOG
1945 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1946#endif
1947 break;
1948 }
1949
1950 cdsize = (bcr & 0xffff) * 4;
1951
9f8b032d 1952 // Ape Escape: bcr = 0001 / 0000
1953 // - fix boot
1954 if( cdsize == 0 )
1955 {
1956 switch (cdr.Mode & 0x30) {
1957 case 0x00: cdsize = 2048; break;
1958 case MODE_SIZE_2328: cdsize = 2328; break;
1959 case MODE_SIZE_2340: cdsize = 2340; break;
1960 }
1961 }
1962
1963
ef79bbde
P		 1964 ptr = (u8 *)PSXM(madr);
1965 if (ptr == NULL) {
1966#ifdef CPU_LOG
1967 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1968#endif
1969 break;
1970 }
9f8b032d 1971
1972 /*
1973 GS CDX: Enhancement CD crash
1974 - Setloc 0:0:0
1975 - CdlPlay
1976 - Spams DMA3 and gets buffer overrun
1977 */
1978
1979 if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 )
1980 {
1981 // avoid crash - probably should wrap here
1982 //memcpy(ptr, cdr.pTransfer, cdsize);
1983 }
1984 else
1985 {
1986 memcpy(ptr, cdr.pTransfer, cdsize);
1987 }
1988
ef79bbde
P		 1989 psxCpu->Clear(madr, cdsize / 4);
1990 cdr.pTransfer += cdsize;
9f8b032d 1991
1992
1993 // burst vs normal
1994 if( chcr == 0x11400100 ) {
1995 CDRDMA_INT( (cdsize/4) / 4 );
1996 }
1997 else if( chcr == 0x11000000 ) {
1998 CDRDMA_INT( (cdsize/4) * 1 );
1999 }
2000 return;
2001
ef79bbde
P		 2002 default:
2003#ifdef CDR_LOG
2004 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2005#endif
2006 break;
2007 }
2008
2009 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2010 DMA_INTERRUPT(3);
2011}
2012
9f8b032d 2013void cdrDmaInterrupt()
2014{
2015 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2016 DMA_INTERRUPT(3);
2017}
2018
ef79bbde
P		 2019void cdrReset() {
2020 memset(&cdr, 0, sizeof(cdr));
2021 cdr.CurTrack = 1;
2022 cdr.File = 1;
2023 cdr.Channel = 1;
2024}
2025
2026int cdrFreeze(gzFile f, int Mode) {
2027 uintptr_t tmp;
2028
ef79bbde 2029
9f8b032d 2030 if( Mode == 0 ) {
2031 StopCdda();
2032 }
2033
2034 gzfreeze(&cdr, sizeof(cdr));
2035
ef79bbde
P		 2036 if (Mode == 1)
2037 tmp = cdr.pTransfer - cdr.Transfer;
2038
2039 gzfreeze(&tmp, sizeof(tmp));
2040
2041 if (Mode == 0)
2042 cdr.pTransfer = cdr.Transfer + tmp;
2043
2044 return 0;
2045}
9f8b032d 2046
2047void LidInterrupt() {
2048 cdr.LidCheck = 0x20; // start checker
2049
2050 CDRLID_INT( cdReadTime * 3 );
2051
2052 // generate interrupt if none active - open or close
2053 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2054 cdr.Ctrl |= 0x80;
2055 cdr.Stat = NoIntr;
2056 AddIrqQueue(CdlNop, 0x800);
2057 }
2058}
ARM optimized PCSX fork