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cdrom: only need to read for cdda
[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;
8e1040b6 29static unsigned char *pTransfer;
ef79bbde
P		 30
31/* CD-ROM magic numbers */
32#define CdlSync 0
33#define CdlNop 1
34#define CdlSetloc 2
35#define CdlPlay 3
36#define CdlForward 4
37#define CdlBackward 5
38#define CdlReadN 6
39#define CdlStandby 7
40#define CdlStop 8
41#define CdlPause 9
42#define CdlInit 10
43#define CdlMute 11
44#define CdlDemute 12
45#define CdlSetfilter 13
46#define CdlSetmode 14
47#define CdlGetmode 15
48#define CdlGetlocL 16
49#define CdlGetlocP 17
50#define CdlReadT 18
51#define CdlGetTN 19
52#define CdlGetTD 20
53#define CdlSeekL 21
54#define CdlSeekP 22
55#define CdlSetclock 23
56#define CdlGetclock 24
57#define CdlTest 25
58#define CdlID 26
59#define CdlReadS 27
60#define CdlReset 28
61#define CdlReadToc 30
62
63#define AUTOPAUSE 249
64#define READ_ACK 250
65#define READ 251
66#define REPPLAY_ACK 252
67#define REPPLAY 253
68#define ASYNC 254
69/* don't set 255, it's reserved */
70
71char *CmdName[0x100]= {
72 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
73 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
74 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
75 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
76 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
77 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
78 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
79 "CdlReset", NULL, "CDlReadToc", NULL
80};
81
82unsigned char Test04[] = { 0 };
83unsigned char Test05[] = { 0 };
84unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
85unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
86unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
87
9f8b032d 88// cdr.Stat:
89#define NoIntr 0
90#define DataReady 1
91#define Complete 2
92#define Acknowledge 3
93#define DataEnd 4
94#define DiskError 5
95
96/* Modes flags */
97#define MODE_SPEED (1<<7) // 0x80
98#define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
99#define MODE_SIZE_2340 (1<<5) // 0x20
100#define MODE_SIZE_2328 (1<<4) // 0x10
101#define MODE_SF (1<<3) // 0x08 channel on/off
102#define MODE_REPORT (1<<2) // 0x04
103#define MODE_AUTOPAUSE (1<<1) // 0x02
104#define MODE_CDDA (1<<0) // 0x01
105
106/* Status flags */
107#define STATUS_PLAY (1<<7) // 0x80
108#define STATUS_SEEK (1<<6) // 0x40
109#define STATUS_READ (1<<5) // 0x20
110#define STATUS_SHELLOPEN (1<<4) // 0x10
111#define STATUS_UNKNOWN3 (1<<3) // 0x08
112#define STATUS_UNKNOWN2 (1<<2) // 0x04
113#define STATUS_ROTATING (1<<1) // 0x02
114#define STATUS_ERROR (1<<0) // 0x01
115
116
117
ef79bbde
P		 118// 1x = 75 sectors per second
119// PSXCLK = 1 sec in the ps
120// so (PSXCLK / 75) = cdr read time (linuzappz)
121#define cdReadTime (PSXCLK / 75)
122
123static struct CdrStat stat;
ef79bbde 124
9f8b032d 125static unsigned int msf2sec(char *msf) {
126 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
127}
128
129static void sec2msf(unsigned int s, char *msf) {
130 msf[0] = s / 75 / 60;
131 s = s - msf[0] * 75 * 60;
132 msf[1] = s / 75;
133 s = s - msf[1] * 75;
134 msf[2] = s;
135}
136
137
ef79bbde 138#define CDR_INT(eCycle) { \
d28b54b1 139 psxRegs.interrupt |= (1 << PSXINT_CDR); \
140 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
141 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
142 new_dyna_set_event(PSXINT_CDR, eCycle); \
ae602c19 143}
ef79bbde
P		 144
145#define CDREAD_INT(eCycle) { \
d28b54b1 146 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
147 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
148 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
149 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
ae602c19 150}
ef79bbde 151
9f8b032d 152#define CDRLID_INT(eCycle) { \
153 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
154 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
155 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
156 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
157}
158
7f457614 159#define CDRPLAY_INT(eCycle) { \
160 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
161 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
162 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
163 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
164}
165
ef79bbde
P		 166#define StartReading(type, eCycle) { \
167 cdr.Reading = type; \
168 cdr.FirstSector = 1; \
169 cdr.Readed = 0xff; \
170 AddIrqQueue(READ_ACK, eCycle); \
171}
172
173#define StopReading() { \
174 if (cdr.Reading) { \
175 cdr.Reading = 0; \
d28b54b1 176 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
ef79bbde 177 } \
9f8b032d 178 cdr.StatP &= ~STATUS_READ;\
ef79bbde
P		 179}
180
181#define StopCdda() { \
182 if (cdr.Play) { \
183 if (!Config.Cdda) CDR_stop(); \
9f8b032d 184 cdr.StatP &= ~STATUS_PLAY; \
ef79bbde 185 cdr.Play = FALSE; \
9f8b032d 186 cdr.FastForward = 0; \
187 cdr.FastBackward = 0; \
188 /*SPU_registerCallback( SPUirq );*/ \
ef79bbde
P		 189 } \
190}
191
192#define SetResultSize(size) { \
193 cdr.ResultP = 0; \
194 cdr.ResultC = size; \
195 cdr.ResultReady = 1; \
196}
197
9f8b032d 198
199void cdrLidSeekInterrupt()
200{
201 // turn back on checking
202 if( cdr.LidCheck == 0x10 )
203 {
204 cdr.LidCheck = 0;
205 }
206
207 // official lid close
208 else if( cdr.LidCheck == 0x30 )
209 {
210 // GS CDX 3.3: $13
211 cdr.StatP |= STATUS_ROTATING;
212
213
214 // GS CDX 3.3 - ~50 getlocp tries
215 CDRLID_INT( cdReadTime * 3 );
216 cdr.LidCheck = 0x40;
217 }
218
219 // turn off ready
220 else if( cdr.LidCheck == 0x40 )
221 {
222 // GS CDX 3.3: $01
223 cdr.StatP &= ~STATUS_SHELLOPEN;
224 cdr.StatP &= ~STATUS_ROTATING;
225
226
227 // GS CDX 3.3 - ~50 getlocp tries
228 CDRLID_INT( cdReadTime * 3 );
229 cdr.LidCheck = 0x50;
230 }
231
232 // now seek
233 else if( cdr.LidCheck == 0x50 )
234 {
235 // GameShark Lite: Start seeking ($42)
236 cdr.StatP |= STATUS_SEEK;
237 cdr.StatP |= STATUS_ROTATING;
238 cdr.StatP &= ~STATUS_ERROR;
239
240
241 CDRLID_INT( cdReadTime * 3 );
242 cdr.LidCheck = 0x60;
243 }
244
245 // done = cd ready
246 else if( cdr.LidCheck == 0x60 )
247 {
248 // GameShark Lite: Seek detection done ($02)
249 cdr.StatP &= ~STATUS_SEEK;
250
251 cdr.LidCheck = 0;
252 }
253}
254
255
256static void Check_Shell( int Irq )
257{
258 // check case open/close
259 if (cdr.LidCheck > 0)
260 {
261#ifdef CDR_LOG
262 CDR_LOG( "LidCheck\n" );
263#endif
264
265 // $20 = check lid state
266 if( cdr.LidCheck == 0x20 )
267 {
268 u32 i;
269
270 i = stat.Status;
271 if (CDR_getStatus(&stat) != -1)
272 {
aa1f7284 273 // BIOS hangs + BIOS error messages
274 //if (stat.Type == 0xff)
275 //cdr.Stat = DiskError;
9f8b032d 276
277 // case now open
aa1f7284 278 if (stat.Status & STATUS_SHELLOPEN)
9f8b032d 279 {
280 // Vib Ribbon: pre-CD swap
281 StopCdda();
282
283
284 // GameShark Lite: Death if DiskError happens
285 //
286 // Vib Ribbon: Needs DiskError for CD swap
287
288 if (Irq != CdlNop)
289 {
290 cdr.Stat = DiskError;
291
292 cdr.StatP |= STATUS_ERROR;
293 cdr.Result[0] |= STATUS_ERROR;
294 }
295
296 // GameShark Lite: Wants -exactly- $10
297 cdr.StatP |= STATUS_SHELLOPEN;
298 cdr.StatP &= ~STATUS_ROTATING;
299
300
301 CDRLID_INT( cdReadTime * 3 );
302 cdr.LidCheck = 0x10;
303
304
305 // GS CDX 3.3 = $11
306 }
307
308 // case just closed
309 else if ( i & STATUS_SHELLOPEN )
310 {
311 cdr.StatP |= STATUS_ROTATING;
312
313 CheckCdrom();
314
315
316 if( cdr.Stat == NoIntr )
317 cdr.Stat = Acknowledge;
318
319 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
320
321
322 // begin close-seek-ready cycle
323 CDRLID_INT( cdReadTime * 3 );
324 cdr.LidCheck = 0x30;
325
326
327 // GameShark Lite: Wants -exactly- $42, then $02
328 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
329 }
330
331 // case still closed - wait for recheck
332 else
333 {
334 CDRLID_INT( cdReadTime * 3 );
335 cdr.LidCheck = 0x10;
336 }
337 }
338 }
339
340
341 // GS CDX: clear all values but #1,#2
342 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
343 {
344 SetResultSize(16);
345 memset( cdr.Result, 0, 16 );
346
347 cdr.Result[0] = cdr.StatP;
348
349
350 // GS CDX: special return value
351 if( cdr.StatP & STATUS_SHELLOPEN )
352 {
353 cdr.Result[1] = 0x80;
354 }
355
356
357 if( cdr.Stat == NoIntr )
358 cdr.Stat = Acknowledge;
359
360 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
361 }
362 }
363}
364
365
366void Find_CurTrack() {
367 cdr.CurTrack = 0;
368
369 if (CDR_getTN(cdr.ResultTN) != -1) {
370 int lcv;
371
372 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
373 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
374 u32 sect1, sect2;
375
376#ifdef CDR_LOG___0
377 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
378 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
379 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
380 cdr.CurTrack );
381#endif
382
383 // find next track boundary - only need m:s accuracy
384 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
385 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
386
387 // Twisted Metal 4 - psx cdda pregap (2-sec)
388 // - fix in-game music
389 sect2 -= 75 * 2;
390
391 if( sect1 >= sect2 ) {
392 cdr.CurTrack++;
393 continue;
394 }
395 }
396
397 break;
398 }
399 }
400}
401
402static void ReadTrack( u8 *time ) {
403 cdr.Prev[0] = itob( time[0] );
404 cdr.Prev[1] = itob( time[1] );
405 cdr.Prev[2] = itob( time[2] );
ef79bbde
P		 406
407#ifdef CDR_LOG
408 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
409#endif
410 cdr.RErr = CDR_readTrack(cdr.Prev);
411}
412
ef79bbde
P		 413
414void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
415 cdr.Irq = irq;
9f8b032d 416 cdr.eCycle = ecycle;
417
418 // Doom: Force rescheduling
419 // - Fixes boot
420 CDR_INT(ecycle);
421}
422
423
424void Set_Track()
425{
426 if (CDR_getTN(cdr.ResultTN) != -1) {
427 int lcv;
428
429 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
430 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
431#ifdef CDR_LOG___0
432 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
433 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
434 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
435 cdr.CurTrack );
436#endif
437
438 // check if time matches track start (only need min, sec accuracy)
439 // - m:s:f vs f:s:m
440 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
441 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
442 // skip pregap frames
443 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
444 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
445
446 break;
447 }
448 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
449 break;
450 }
451 }
452 }
453}
454
455
456static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
7f457614 457static void Create_Fake_Subq()
9f8b032d 458{
459 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
460 int diff;
461
462 if (CDR_getTN(cdr.ResultTN) == -1) return;
463 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
464 pregap = 150;
465 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
466 } else {
467 // last track - cd size
468 pregap = 0;
469 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
470 }
471
472 if( cdr.Play == TRUE ) {
473 temp_cur[0] = cdr.SetSectorPlay[0];
474 temp_cur[1] = cdr.SetSectorPlay[1];
475 temp_cur[2] = cdr.SetSectorPlay[2];
476 } else {
477 temp_cur[0] = btoi( cdr.Prev[0] );
478 temp_cur[1] = btoi( cdr.Prev[1] );
479 temp_cur[2] = btoi( cdr.Prev[2] );
480 }
481
482 fake_subq_real[0] = temp_cur[0];
483 fake_subq_real[1] = temp_cur[1];
484 fake_subq_real[2] = temp_cur[2];
485
486 temp_next[0] = cdr.ResultTD[2];
487 temp_next[1] = cdr.ResultTD[1];
488 temp_next[2] = cdr.ResultTD[0];
489
490
491 // flag- next track
492 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
493 fake_subq_change = 1;
494
495 cdr.CurTrack++;
496
497 // end cd
498 if( pregap == 0 ) StopCdda();
499 }
500
501 //////////////////////////////////////////////////
502 //////////////////////////////////////////////////
503
504 // repair
505 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
506 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
507 } else {
508 // last track - cd size
509 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
510 }
511
512 temp_start[0] = cdr.ResultTD[2];
513 temp_start[1] = cdr.ResultTD[1];
514 temp_start[2] = cdr.ResultTD[0];
515
516
517#ifdef CDR_LOG
518 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
519 temp_cur[0], temp_cur[1], temp_cur[2],
520 temp_start[0], temp_start[1], temp_start[2],
521 temp_next[0], temp_next[1], temp_next[2]);
522#endif
523
524
525
526 // local time - pregap / real
527 diff = msf2sec(temp_cur) - msf2sec( temp_start );
528 if( diff < 0 ) {
529 fake_subq_index = 0;
530
531 sec2msf( -diff, fake_subq_local );
ef79bbde 532 } else {
9f8b032d 533 fake_subq_index = 1;
534
535 sec2msf( diff, fake_subq_local );
ef79bbde
P		 536 }
537}
538
9f8b032d 539
7f457614 540static void cdrPlayInterrupt_Autopause()
541{
542 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
9b470ab7 543 int track_changed = 0;
7f457614 544 if (subq != NULL ) {
341eb2c9 545 // update subq
546 ReadTrack( cdr.SetSectorPlay );
547
7f457614 548#ifdef CDR_LOG
549 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
550 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
551#endif
552
553 /*
554 CDDA Autopause
555
556 Silhouette Mirage ($3)
557 Tomb Raider 1 ($7)
558 */
559
0e2e3f49 560 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
9b470ab7 561 track_changed = 1;
7f457614 562 } else {
563 Create_Fake_Subq();
564#ifdef CDR_LOG___0
565 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
566 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
567#endif
568
9b470ab7 569 track_changed = fake_subq_change;
7f457614 570 fake_subq_change = 0;
571 }
572
9b470ab7 573 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
7f457614 574#ifdef CDR_LOG
575 CDR_LOG( "CDDA STOP\n" );
576#endif
577
578 // Magic the Gathering
579 // - looping territory cdda
580
581 // ...?
582 //cdr.ResultReady = 1;
583 //cdr.Stat = DataReady;
584 cdr.Stat = DataEnd;
585 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
586
587 StopCdda();
588 }
589 if (cdr.Mode & MODE_REPORT) {
7f457614 590 if (subq != NULL) {
591#ifdef CDR_LOG
592 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
593 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
594#endif
595 cdr.CurTrack = btoi( subq->TrackNumber );
596
9b470ab7 597 if (subq->AbsoluteAddress[2] & 0xf)
598 return;
599
600 cdr.Result[0] = cdr.StatP;
7f457614 601 // BIOS CD Player: data already BCD format
602 cdr.Result[1] = subq->TrackNumber;
603 cdr.Result[2] = subq->IndexNumber;
604
605 cdr.Result[3] = subq->AbsoluteAddress[0];
606 cdr.Result[4] = subq->AbsoluteAddress[1];
607 cdr.Result[5] = subq->AbsoluteAddress[2];
608 } else {
609#ifdef CDR_LOG___0
610 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
611 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
612#endif
613
9b470ab7 614 if (fake_subq_real[2] & 0xf)
615 return;
616
617 cdr.Result[0] = cdr.StatP;
7f457614 618 // track # / index #
619 cdr.Result[1] = itob(cdr.CurTrack);
620 cdr.Result[2] = itob(fake_subq_index);
621 // absolute
622 cdr.Result[3] = itob( fake_subq_real[0] );
623 cdr.Result[4] = itob( fake_subq_real[1] );
624 cdr.Result[5] = itob( fake_subq_real[2] );
625 }
626
627 // Rayman: Logo freeze (resultready + dataready)
628 cdr.ResultReady = 1;
629 cdr.Stat = DataReady;
630
631 SetResultSize(8);
632 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
633 }
634}
635
636void cdrPlayInterrupt()
637{
638 if( !cdr.Play ) return;
639
640#ifdef CDR_LOG
641 CDR_LOG( "CDDA - %d:%d:%d\n",
642 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
643#endif
644 CDRPLAY_INT( cdReadTime );
645
646 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
647 cdrPlayInterrupt_Autopause();
648
649 cdr.SetSectorPlay[2]++;
650 if (cdr.SetSectorPlay[2] == 75) {
651 cdr.SetSectorPlay[2] = 0;
652 cdr.SetSectorPlay[1]++;
653 if (cdr.SetSectorPlay[1] == 60) {
654 cdr.SetSectorPlay[1] = 0;
655 cdr.SetSectorPlay[0]++;
656 }
657 }
658
659 //Check_Shell(0);
660}
661
ef79bbde
P		 662void cdrInterrupt() {
663 int i;
664 unsigned char Irq = cdr.Irq;
7f457614 665 struct SubQ *subq;
ef79bbde 666
9f8b032d 667 // Reschedule IRQ
ef79bbde 668 if (cdr.Stat) {
9f8b032d 669 CDR_INT( 0x100 );
ef79bbde
P		 670 return;
671 }
672
673 cdr.Irq = 0xff;
674 cdr.Ctrl &= ~0x80;
675
676 switch (Irq) {
677 case CdlSync:
678 SetResultSize(1);
9f8b032d 679 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 680 cdr.Result[0] = cdr.StatP;
681 cdr.Stat = Acknowledge;
682 break;
683
684 case CdlNop:
685 SetResultSize(1);
686 cdr.Result[0] = cdr.StatP;
687 cdr.Stat = Acknowledge;
9f8b032d 688
689 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 690 break;
691
692 case CdlSetloc:
693 cdr.CmdProcess = 0;
694 SetResultSize(1);
9f8b032d 695 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 696 cdr.Result[0] = cdr.StatP;
697 cdr.Stat = Acknowledge;
698 break;
699
700 case CdlPlay:
9f8b032d 701 fake_subq_change = 0;
702
703 if( cdr.Seeked == FALSE ) {
704 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
705 cdr.Seeked = TRUE;
706 }
707
708 /*
709 Rayman: detect track changes
710 - fixes logo freeze
711
712 Twisted Metal 2: skip PREGAP + starting accurate SubQ
713 - plays tracks without retry play
714
715 Wild 9: skip PREGAP + starting accurate SubQ
716 - plays tracks without retry play
717 */
696c9530 718 /* unneeded with correct cdriso?
9f8b032d 719 Set_Track();
696c9530 720 */
9f8b032d 721 Find_CurTrack();
722 ReadTrack( cdr.SetSectorPlay );
723
9f8b032d 724 // GameShark CD Player: Calls 2x + Play 2x
725 if( cdr.FastBackward || cdr.FastForward ) {
726 if( cdr.FastForward ) cdr.FastForward--;
727 if( cdr.FastBackward ) cdr.FastBackward--;
728
729 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
730 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
731 cdr.SetSectorPlay[0] = stat.Time[0];
732 cdr.SetSectorPlay[1] = stat.Time[1];
733 cdr.SetSectorPlay[2] = stat.Time[2];
734 }
735 }
736 }
737
738
739 if (!Config.Cdda) {
740 // BIOS CD Player
741 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
742
743 // GameShark CD Player: Resume play
744 if( cdr.ParamC == 0 ) {
745#ifdef CDR_LOG___0
746 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
747 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
748#endif
749
750 //CDR_play( cdr.SetSectorPlay );
751 }
752 else
753 {
754 // BIOS CD Player: Resume play
755 if( cdr.Param[0] == 0 ) {
756#ifdef CDR_LOG___0
757 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
758 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
759#endif
760
761 //CDR_play( cdr.SetSectorPlay );
762 }
763 else {
764#ifdef CDR_LOG___0
765 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
766 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
767#endif
768
769 // BIOS CD Player: Allow track replaying
770 StopCdda();
771
772
773 cdr.CurTrack = btoi( cdr.Param[0] );
774
775 if (CDR_getTN(cdr.ResultTN) != -1) {
776 // check last track
777 if (cdr.CurTrack > cdr.ResultTN[1])
778 cdr.CurTrack = cdr.ResultTN[1];
779
780 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
781 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
782 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
783 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
784
785 // reset data
786 Set_Track();
787 Find_CurTrack();
788 ReadTrack( cdr.SetSectorPlay );
789
790 //CDR_play(cdr.SetSectorPlay);
791 }
792 }
793 }
794 }
795 }
796
797
798 // Vib Ribbon: gameplay checks flag
799 cdr.StatP &= ~STATUS_SEEK;
800
801
ef79bbde
P		 802 cdr.CmdProcess = 0;
803 SetResultSize(1);
9f8b032d 804 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 805 cdr.Result[0] = cdr.StatP;
806 cdr.Stat = Acknowledge;
9f8b032d 807
808 cdr.StatP |= STATUS_PLAY;
809
810
811 // BIOS player - set flag again
812 cdr.Play = TRUE;
813
7f457614 814 CDRPLAY_INT( cdReadTime );
ef79bbde
P		 815 break;
816
9f8b032d 817 case CdlForward:
ef79bbde
P		 818 cdr.CmdProcess = 0;
819 SetResultSize(1);
9f8b032d 820 cdr.StatP |= STATUS_ROTATING;
821 cdr.Result[0] = cdr.StatP;
822 cdr.Stat = Complete;
823
824
825 // GameShark CD Player: Calls 2x + Play 2x
826 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
827 else cdr.FastForward++;
828
829 cdr.FastBackward = 0;
ef79bbde
P		 830 break;
831
9f8b032d 832 case CdlBackward:
ef79bbde
P		 833 cdr.CmdProcess = 0;
834 SetResultSize(1);
9f8b032d 835 cdr.StatP |= STATUS_ROTATING;
836 cdr.Result[0] = cdr.StatP;
837 cdr.Stat = Complete;
838
839
840 // GameShark CD Player: Calls 2x + Play 2x
841 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
842 else cdr.FastBackward++;
843
844 cdr.FastForward = 0;
ef79bbde
P		 845 break;
846
9f8b032d 847 case CdlStandby:
ef79bbde
P		 848 cdr.CmdProcess = 0;
849 SetResultSize(1);
9f8b032d 850 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 851 cdr.Result[0] = cdr.StatP;
852 cdr.Stat = Complete;
853 break;
854
855 case CdlStop:
856 cdr.CmdProcess = 0;
857 SetResultSize(1);
9f8b032d 858 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 859 cdr.Result[0] = cdr.StatP;
860 cdr.Stat = Complete;
861// cdr.Stat = Acknowledge;
862
9f8b032d 863 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 864 break;
865
866 case CdlPause:
867 SetResultSize(1);
868 cdr.Result[0] = cdr.StatP;
9f8b032d 869 cdr.Stat = Acknowledge;
870
12228917 871 /*
872 Gundam Battle Assault 2: much slower (*)
873 - Fixes boot, gameplay
874
875 Hokuto no Ken 2: slower
876 - Fixes intro + subtitles
877
878 InuYasha - Feudal Fairy Tale: slower
879 - Fixes battles
880 */
881 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 882 cdr.Ctrl |= 0x80;
883 break;
884
885 case CdlPause + 0x20:
886 SetResultSize(1);
9f8b032d 887 cdr.StatP &= ~STATUS_READ;
888 cdr.StatP |= STATUS_ROTATING;
ef79bbde 889 cdr.Result[0] = cdr.StatP;
9f8b032d 890 cdr.Stat = Complete;
ef79bbde
P		 891 break;
892
9f8b032d 893 case CdlInit:
ef79bbde 894 SetResultSize(1);
9f8b032d 895 cdr.StatP = STATUS_ROTATING;
ef79bbde 896 cdr.Result[0] = cdr.StatP;
9f8b032d 897 cdr.Stat = Acknowledge;
ef79bbde 898// if (!cdr.Init) {
9f8b032d 899 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 900// }
901 break;
902
903 case CdlInit + 0x20:
904 SetResultSize(1);
905 cdr.Result[0] = cdr.StatP;
9f8b032d 906 cdr.Stat = Complete;
ef79bbde
P		 907 cdr.Init = 1;
908 break;
909
9f8b032d 910 case CdlMute:
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 CdlDemute:
ef79bbde 918 SetResultSize(1);
9f8b032d 919 cdr.StatP |= STATUS_ROTATING;
920 cdr.Result[0] = cdr.StatP;
921 cdr.Stat = Acknowledge;
ef79bbde
P		 922 break;
923
9f8b032d 924 case CdlSetfilter:
ef79bbde 925 SetResultSize(1);
9f8b032d 926 cdr.StatP |= STATUS_ROTATING;
927 cdr.Result[0] = cdr.StatP;
928 cdr.Stat = Acknowledge;
929 break;
ef79bbde
P		 930
931 case CdlSetmode:
932 SetResultSize(1);
9f8b032d 933 cdr.StatP |= STATUS_ROTATING;
934 cdr.Result[0] = cdr.StatP;
935 cdr.Stat = Acknowledge;
936 break;
ef79bbde 937
9f8b032d 938 case CdlGetmode:
ef79bbde 939 SetResultSize(6);
9f8b032d 940 cdr.StatP |= STATUS_ROTATING;
941 cdr.Result[0] = cdr.StatP;
942 cdr.Result[1] = cdr.Mode;
943 cdr.Result[2] = cdr.File;
944 cdr.Result[3] = cdr.Channel;
945 cdr.Result[4] = 0;
946 cdr.Result[5] = 0;
947 cdr.Stat = Acknowledge;
948 break;
ef79bbde 949
9f8b032d 950 case CdlGetlocL:
ef79bbde 951 SetResultSize(8);
9f8b032d 952 for (i = 0; i < 8; i++)
ef79bbde 953 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 954 cdr.Stat = Acknowledge;
955 break;
ef79bbde
P		 956
957 case CdlGetlocP:
9f8b032d 958 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
959 SetResultSize(17);
960 memset( cdr.Result, 0, 16 );
961
ef79bbde
P		 962 subq = (struct SubQ *)CDR_getBufferSub();
963
964 if (subq != NULL) {
7851087d 965 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
966 // update subq
967 ReadTrack( cdr.SetSectorPlay );
341eb2c9 968
ef79bbde
P		 969 cdr.Result[0] = subq->TrackNumber;
970 cdr.Result[1] = subq->IndexNumber;
971 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
972 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
973
9f8b032d 974
975 // subQ integrity check - data only (skip audio)
976 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 977 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
978 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
979 }
9f8b032d 980 }
ef79bbde 981 } else {
7f457614 982 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
983 Create_Fake_Subq();
ef79bbde 984
ef79bbde 985
9f8b032d 986 // track # / index #
987 cdr.Result[0] = itob(cdr.CurTrack);
988 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 989
9f8b032d 990 // local
991 cdr.Result[2] = itob( fake_subq_local[0] );
992 cdr.Result[3] = itob( fake_subq_local[1] );
993 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 994
9f8b032d 995 // absolute
996 cdr.Result[5] = itob( fake_subq_real[0] );
997 cdr.Result[6] = itob( fake_subq_real[1] );
998 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 999 }
1000
9f8b032d 1001 // redump.org - wipe time
ae4e7dc9 1002 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 1003 memset( cdr.Result+2, 0, 6 );
1004 }
9f8b032d 1005
ef79bbde
P		 1006 cdr.Stat = Acknowledge;
1007 break;
1008
9f8b032d 1009 case CdlGetTN:
1010 // 5-Star Racing: don't stop CDDA
1011 //
1012 // Vib Ribbon: CD swap
1013 StopReading();
1014
ef79bbde
P		 1015 cdr.CmdProcess = 0;
1016 SetResultSize(3);
9f8b032d 1017 cdr.StatP |= STATUS_ROTATING;
1018 cdr.Result[0] = cdr.StatP;
1019 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1020 cdr.Stat = DiskError;
9f8b032d 1021 cdr.Result[0] |= STATUS_ERROR;
1022 } else {
1023 cdr.Stat = Acknowledge;
1024 cdr.Result[1] = itob(cdr.ResultTN[0]);
1025 cdr.Result[2] = itob(cdr.ResultTN[1]);
1026 }
1027 break;
ef79bbde 1028
9f8b032d 1029 case CdlGetTD:
ef79bbde
P		 1030 cdr.CmdProcess = 0;
1031 cdr.Track = btoi(cdr.Param[0]);
1032 SetResultSize(4);
9f8b032d 1033 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1034 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1035 cdr.Stat = DiskError;
9f8b032d 1036 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1037 } else {
1038 cdr.Stat = Acknowledge;
1039 cdr.Result[0] = cdr.StatP;
1040 cdr.Result[1] = itob(cdr.ResultTD[2]);
1041 cdr.Result[2] = itob(cdr.ResultTD[1]);
1042 cdr.Result[3] = itob(cdr.ResultTD[0]);
1043 }
1044 break;
1045
9f8b032d 1046 case CdlSeekL:
ef79bbde 1047 SetResultSize(1);
9f8b032d 1048 cdr.StatP |= STATUS_ROTATING;
1049 cdr.Result[0] = cdr.StatP;
1050 cdr.StatP |= STATUS_SEEK;
1051 cdr.Stat = Acknowledge;
1052
1053 /*
1054 Crusaders of Might and Magic = 0.5x-4x
1055 - fix cutscene speech start
1056
1057 Eggs of Steel = 2x-?
1058 - fix new game
1059
1060 Medievil = ?-4x
1061 - fix cutscene speech
1062
1063 Rockman X5 = 0.5-4x
1064 - fix capcom logo
1065 */
1066 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
ef79bbde
P		 1067 break;
1068
9f8b032d 1069 case CdlSeekL + 0x20:
ef79bbde 1070 SetResultSize(1);
9f8b032d 1071 cdr.StatP |= STATUS_ROTATING;
1072 cdr.StatP &= ~STATUS_SEEK;
1073 cdr.Result[0] = cdr.StatP;
1074 cdr.Seeked = TRUE;
1075 cdr.Stat = Complete;
1076
1077
1078 // Mega Man Legends 2: must update read cursor for getlocp
1079 ReadTrack( cdr.SetSector );
ef79bbde
P		 1080 break;
1081
9f8b032d 1082 case CdlSeekP:
ef79bbde 1083 SetResultSize(1);
9f8b032d 1084 cdr.StatP |= STATUS_ROTATING;
1085 cdr.Result[0] = cdr.StatP;
1086 cdr.StatP |= STATUS_SEEK;
1087 cdr.Stat = Acknowledge;
1088 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
ef79bbde
P		 1089 break;
1090
9f8b032d 1091 case CdlSeekP + 0x20:
ef79bbde 1092 SetResultSize(1);
9f8b032d 1093 cdr.StatP |= STATUS_ROTATING;
1094 cdr.StatP &= ~STATUS_SEEK;
1095 cdr.Result[0] = cdr.StatP;
1096 cdr.Stat = Complete;
1097 cdr.Seeked = TRUE;
1098
1099 // GameShark Music Player
1100 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1101
1102 // Tomb Raider 2: must update read cursor for getlocp
1103 Find_CurTrack();
1104 ReadTrack( cdr.SetSectorPlay );
ef79bbde
P		 1105 break;
1106
1107 case CdlTest:
9f8b032d 1108 cdr.Stat = Acknowledge;
1109 switch (cdr.Param[0]) {
1110 case 0x20: // System Controller ROM Version
ef79bbde
P		 1111 SetResultSize(4);
1112 memcpy(cdr.Result, Test20, 4);
1113 break;
1114 case 0x22:
1115 SetResultSize(8);
1116 memcpy(cdr.Result, Test22, 4);
1117 break;
1118 case 0x23: case 0x24:
1119 SetResultSize(8);
1120 memcpy(cdr.Result, Test23, 4);
1121 break;
9f8b032d 1122 }
ef79bbde
P		 1123 break;
1124
9f8b032d 1125 case CdlID:
ef79bbde 1126 SetResultSize(1);
9f8b032d 1127 cdr.StatP |= STATUS_ROTATING;
1128 cdr.Result[0] = cdr.StatP;
1129 cdr.Stat = Acknowledge;
1130 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1131 break;
1132
1133 case CdlID + 0x20:
1134 SetResultSize(8);
9f8b032d 1135
1136 if (CDR_getStatus(&stat) == -1) {
1137 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1138 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1139 }
1140 else {
1141 if (stat.Type == 2) {
1142 // Music CD
1143 cdr.Result[0] = 0x08;
1144 cdr.Result[1] = 0x10;
1145
1146 cdr.Result[1] |= 0x80;
1147 }
1148 else {
1149 // Data CD
1150 if (CdromId[0] == '\0') {
1151 cdr.Result[0] = 0x00;
1152 cdr.Result[1] = 0x80;
1153 }
1154 else {
1155 cdr.Result[0] = 0x08;
1156 cdr.Result[1] = 0x00;
1157 }
1158 }
1159 }
1160
ef79bbde
P		 1161 cdr.Result[2] = 0x00;
1162 cdr.Result[3] = 0x00;
1163 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1164 cdr.Stat = Complete;
1165 break;
1166
1167 case CdlReset:
1168 SetResultSize(1);
9f8b032d 1169 cdr.StatP = STATUS_ROTATING;
ef79bbde 1170 cdr.Result[0] = cdr.StatP;
9f8b032d 1171 cdr.Stat = Acknowledge;
ef79bbde
P		 1172 break;
1173
9f8b032d 1174 case CdlReadT:
1175 SetResultSize(1);
1176 cdr.StatP |= STATUS_ROTATING;
1177 cdr.Result[0] = cdr.StatP;
1178 cdr.Stat = Acknowledge;
1179 AddIrqQueue(CdlReadT + 0x20, 0x800);
1180 break;
1181
1182 case CdlReadT + 0x20:
1183 SetResultSize(1);
1184 cdr.StatP |= STATUS_ROTATING;
1185 cdr.Result[0] = cdr.StatP;
1186 cdr.Stat = Complete;
1187 break;
1188
1189 case CdlReadToc:
ef79bbde 1190 SetResultSize(1);
9f8b032d 1191 cdr.StatP |= STATUS_ROTATING;
1192 cdr.Result[0] = cdr.StatP;
1193 cdr.Stat = Acknowledge;
1194 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1195 break;
1196
9f8b032d 1197 case CdlReadToc + 0x20:
ef79bbde 1198 SetResultSize(1);
9f8b032d 1199 cdr.StatP |= STATUS_ROTATING;
1200 cdr.Result[0] = cdr.StatP;
1201 cdr.Stat = Complete;
ef79bbde
P		 1202 break;
1203
1204 case AUTOPAUSE:
1205 cdr.OCUP = 0;
1206/* SetResultSize(1);
1207 StopCdda();
1208 StopReading();
1209 cdr.OCUP = 0;
9f8b032d 1210 cdr.StatP&=~0x20;
ef79bbde 1211 cdr.StatP|= 0x2;
9f8b032d 1212 cdr.Result[0] = cdr.StatP;
1213 cdr.Stat = DataEnd;
ef79bbde
P		 1214*/ AddIrqQueue(CdlPause, 0x800);
1215 break;
1216
1217 case READ_ACK:
1218 if (!cdr.Reading) return;
1219
9f8b032d 1220
1221 // Fighting Force 2 - update subq time immediately
1222 // - fixes new game
1223 ReadTrack( cdr.SetSector );
1224
1225
1226 // Crusaders of Might and Magic - update getlocl now
1227 // - fixes cutscene speech
1228 {
1229 u8 *buf = CDR_getBuffer();
a48ae3a7 1230 if (buf != NULL)
1231 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1232 }
1233
1234
1235 /*
1236 Duke Nukem: Land of the Babes - seek then delay read for one frame
1237 - fixes cutscenes
914722b2 1238 C-12 - Final Resistance - doesn't like seek
9f8b032d 1239 */
1240
ef79bbde
P		 1241 if (!cdr.Seeked) {
1242 cdr.Seeked = TRUE;
ef79bbde 1243
9f8b032d 1244 cdr.StatP |= STATUS_SEEK;
1245 cdr.StatP &= ~STATUS_READ;
1246
1247 // Crusaders of Might and Magic - use short time
1248 // - fix cutscene speech (startup)
1249
1250 // ??? - use more accurate seek time later
1251 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1252 } else {
1253 cdr.StatP |= STATUS_READ;
1254 cdr.StatP &= ~STATUS_SEEK;
1255
1256 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1257 }
ef79bbde 1258
ef79bbde 1259 SetResultSize(1);
9f8b032d 1260 cdr.StatP |= STATUS_ROTATING;
1261 cdr.Result[0] = cdr.StatP;
1262 cdr.Stat = Acknowledge;
ef79bbde
P		 1263 break;
1264
ef79bbde
P		 1265 case 0xff:
1266 return;
1267
1268 default:
1269 cdr.Stat = Complete;
1270 break;
1271 }
1272
9f8b032d 1273 Check_Shell( Irq );
1274
2daaaae3 1275 cdr.ParamP = 0;
1276 cdr.ParamC = 0;
1277
ef79bbde
P		 1278 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1279 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1280 }
1281
1282#ifdef CDR_LOG
1283 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1284#endif
1285}
1286
1287void cdrReadInterrupt() {
1288 u8 *buf;
1289
1290 if (!cdr.Reading)
1291 return;
1292
9f8b032d 1293 if (cdr.Irq || cdr.Stat) {
1294 CDREAD_INT(0x100);
ef79bbde
P		 1295 return;
1296 }
1297
1298#ifdef CDR_LOG
1299 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1300#endif
1301
9f8b032d 1302 cdr.OCUP = 1;
ef79bbde 1303 SetResultSize(1);
9f8b032d 1304 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1305 cdr.StatP &= ~STATUS_SEEK;
1306 cdr.Result[0] = cdr.StatP;
ef79bbde 1307
9f8b032d 1308 ReadTrack( cdr.SetSector );
ef79bbde
P		 1309
1310 buf = CDR_getBuffer();
1311 if (buf == NULL)
1312 cdr.RErr = -1;
1313
1314 if (cdr.RErr == -1) {
1315#ifdef CDR_LOG
1316 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1317#endif
1318 memset(cdr.Transfer, 0, DATA_SIZE);
1319 cdr.Stat = DiskError;
9f8b032d 1320 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1321 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1322 return;
1323 }
1324
1325 memcpy(cdr.Transfer, buf, DATA_SIZE);
1326 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1327
ef79bbde
P		 1328
1329#ifdef CDR_LOG
1330 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1331#endif
1332
9f8b032d 1333 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1334 // Firemen 2: Multi-XA files - briefings, cutscenes
1335 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1336 cdr.File = cdr.Transfer[4 + 0];
1337 cdr.Channel = cdr.Transfer[4 + 1];
1338 }
1339
ef79bbde 1340 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1341 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1342 (cdr.Transfer[4 + 0] == cdr.File)) {
1343 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1344
1345 if (!ret) {
056d6759 1346 // only handle attenuator basic channel switch for now
1347 if (cdr.Xa.stereo) {
1348 int i;
1349 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1350 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1351 {
1352 for (i = 0; i < cdr.Xa.nsamples; i++)
1353 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1354 }
1355 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1356 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1357 {
1358 for (i = 0; i < cdr.Xa.nsamples; i++)
1359 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1360 }
1361 }
1362
ef79bbde
P		 1363 SPU_playADPCMchannel(&cdr.Xa);
1364 cdr.FirstSector = 0;
9f8b032d 1365
2f246254 1366#if 0
9f8b032d 1367 // Crash Team Racing: music, speech
2f246254 1368 // - done using cdda decoded buffer (spu irq)
1369 // - don't do here
9f8b032d 1370
1371 // signal ADPCM data ready
1372 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1373#endif
ef79bbde
P		 1374 }
1375 else cdr.FirstSector = -1;
1376 }
1377 }
1378
1379 cdr.SetSector[2]++;
9f8b032d 1380 if (cdr.SetSector[2] == 75) {
1381 cdr.SetSector[2] = 0;
1382 cdr.SetSector[1]++;
1383 if (cdr.SetSector[1] == 60) {
1384 cdr.SetSector[1] = 0;
1385 cdr.SetSector[0]++;
1386 }
1387 }
1388
1389 cdr.Readed = 0;
1390
1391 // G-Police: Don't autopause ADPCM even if mode set (music)
1392 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1393 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1394#ifdef CDR_LOG
1395 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1396#endif
9f8b032d 1397// AddIrqQueue(AUTOPAUSE, 0x2000);
1398 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1399 }
1400 else {
9f8b032d 1401 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1402 }
1403
1404 /*
1405 Croc 2: $40 - only FORM1 (*)
1406 Judge Dredd: $C8 - only FORM1 (*)
1407 Sim Theme Park - no adpcm at all (zero)
1408 */
1409
1410 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1411 cdr.Stat = DataReady;
1412 } else {
1413 // Breath of Fire 3 - fix inn sleeping
1414 // Rockman X5 - no music restart problem
1415 cdr.Stat = NoIntr;
ef79bbde
P		 1416 }
1417 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1418
1419 Check_Shell(0);
ef79bbde
P		 1420}
1421
1422/*
1423cdrRead0:
1424 bit 0 - 0 REG1 command send / 1 REG1 data read
1425 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1426 bit 2 - unknown
1427 bit 3 - unknown
1428 bit 4 - unknown
1429 bit 5 - 1 result ready
1430 bit 6 - 1 dma ready
1431 bit 7 - 1 command being processed
1432*/
1433
1434unsigned char cdrRead0(void) {
1435 if (cdr.ResultReady)
1436 cdr.Ctrl |= 0x20;
1437 else
1438 cdr.Ctrl &= ~0x20;
1439
1440 if (cdr.OCUP)
1441 cdr.Ctrl |= 0x40;
1442// else
1443// cdr.Ctrl &= ~0x40;
1444
1445 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1446 cdr.Ctrl |= 0x18;
1447
1448#ifdef CDR_LOG
1449 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1450#endif
1451
1452 return psxHu8(0x1800) = cdr.Ctrl;
1453}
1454
1455/*
1456cdrWrite0:
1457 0 - to send a command / 1 - to get the result
1458*/
1459
1460void cdrWrite0(unsigned char rt) {
1461#ifdef CDR_LOG
1462 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1463#endif
50b13be9 1464 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1465}
1466
1467unsigned char cdrRead1(void) {
1468 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1469 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1470 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1471 cdr.ResultP++;
ef79bbde
P		 1472 if (cdr.ResultP == cdr.ResultC)
1473 cdr.ResultReady = 0;
1474 } else {
1475 psxHu8(0x1801) = 0;
1476 }
1477#ifdef CDR_LOG
1478 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1479#endif
1480 return psxHu8(0x1801);
1481}
1482
1483void cdrWrite1(unsigned char rt) {
914722b2 1484 char set_loc[3];
ef79bbde
P		 1485 int i;
1486
1487#ifdef CDR_LOG
1488 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1489#endif
9f8b032d 1490
1491
1492 // Tekken: CDXA fade-out
1493 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1494 cdr.AttenuatorRight[0] = rt;
9f8b032d 1495 }
1496
1497
ef79bbde 1498// psxHu8(0x1801) = rt;
9f8b032d 1499 cdr.Cmd = rt;
ef79bbde
P		 1500 cdr.OCUP = 0;
1501
1502#ifdef CDRCMD_DEBUG
1503 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1504 if (cdr.ParamC) {
1505 SysPrintf(" Param[%d] = {", cdr.ParamC);
1506 for (i = 0; i < cdr.ParamC; i++)
1507 SysPrintf(" %x,", cdr.Param[i]);
1508 SysPrintf("}\n");
1509 } else {
1510 SysPrintf("\n");
1511 }
1512#endif
1513
50b13be9 1514 if (cdr.Ctrl & 0x3) return;
ef79bbde 1515
2daaaae3 1516 cdr.ResultReady = 0;
1517
9f8b032d 1518 switch (cdr.Cmd) {
ef79bbde 1519 case CdlSync:
9f8b032d 1520 cdr.Ctrl |= 0x80;
ef79bbde 1521 cdr.Stat = NoIntr;
9f8b032d 1522 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1523 break;
1524
1525 case CdlNop:
9f8b032d 1526 cdr.Ctrl |= 0x80;
ef79bbde 1527 cdr.Stat = NoIntr;
9f8b032d 1528
1529 // Twisted Metal 3 - fix music
1530 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1531 break;
1532
1533 case CdlSetloc:
9f8b032d 1534 StopReading();
9f8b032d 1535 for (i = 0; i < 3; i++)
914722b2 1536 set_loc[i] = btoi(cdr.Param[i]);
1537 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1538 if (i > 16)
1539 cdr.Seeked = FALSE;
1540 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1541 cdr.SetSector[3] = 0;
9f8b032d 1542
1543 /*
1544 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1545 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1546 }*/
1547
1548 cdr.Ctrl |= 0x80;
ef79bbde 1549 cdr.Stat = NoIntr;
9f8b032d 1550 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1551 break;
1552
1553 case CdlPlay:
9f8b032d 1554 // Vib Ribbon: try same track again
1555 StopCdda();
1556
1557 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1558 if (CDR_getTN(cdr.ResultTN) != -1) {
1559 if (cdr.CurTrack > cdr.ResultTN[1])
1560 cdr.CurTrack = cdr.ResultTN[1];
1561 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1562 int tmp = cdr.ResultTD[2];
1563 cdr.ResultTD[2] = cdr.ResultTD[0];
1564 cdr.ResultTD[0] = tmp;
1565 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1566 }
ef79bbde 1567 }
9f8b032d 1568 } else if (!Config.Cdda) {
1569 CDR_play(cdr.SetSector);
1570 }
1571
1572 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1573 // - fixes ribbon timing + music CD mode
1574 //TODO?
1575 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1576
1577
1578 cdr.Play = TRUE;
1579
1580 cdr.StatP |= STATUS_SEEK;
1581 cdr.StatP &= ~STATUS_ROTATING;
1582
1583 cdr.Ctrl |= 0x80;
1584 cdr.Stat = NoIntr;
1585 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1586 break;
1587
1588 case CdlForward:
9f8b032d 1589 //if (cdr.CurTrack < 0xaa)
1590 // cdr.CurTrack++;
1591 cdr.Ctrl |= 0x80;
ef79bbde 1592 cdr.Stat = NoIntr;
9f8b032d 1593 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1594 break;
1595
1596 case CdlBackward:
9f8b032d 1597 //if (cdr.CurTrack > 1)
1598 //cdr.CurTrack--;
1599 cdr.Ctrl |= 0x80;
1600 cdr.Stat = NoIntr;
1601 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1602 break;
1603
1604 case CdlReadN:
9f8b032d 1605 cdr.Irq = 0;
1606 StopReading();
1607 cdr.Ctrl|= 0x80;
1608 cdr.Stat = NoIntr;
1609 StartReading(1, 0x800);
1610 break;
ef79bbde
P		 1611
1612 case CdlStandby:
9f8b032d 1613 StopCdda();
1614 StopReading();
1615 cdr.Ctrl |= 0x80;
1616 cdr.Stat = NoIntr;
1617 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1618 break;
1619
1620 case CdlStop:
9f8b032d 1621 // GameShark CD Player: Reset CDDA to track start
1622 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1623 cdr.SetSectorPlay[0] = stat.Time[0];
1624 cdr.SetSectorPlay[1] = stat.Time[1];
1625 cdr.SetSectorPlay[2] = stat.Time[2];
1626
1627 Find_CurTrack();
1628
1629
1630 // grab time for current track
1631 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1632
1633 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1634 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1635 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1636 }
1637
1638 StopCdda();
1639 StopReading();
1640
1641 cdr.Ctrl |= 0x80;
1642 cdr.Stat = NoIntr;
1643 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1644 break;
1645
1646 case CdlPause:
9f8b032d 1647 /*
1648 GameShark CD Player: save time for resume
1649
aa1f7284 1650 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1651 */
ef79bbde 1652
9f8b032d 1653 StopCdda();
1654 StopReading();
1655 cdr.Ctrl |= 0x80;
1656 cdr.Stat = NoIntr;
1657
12228917 1658 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1659 break;
1660
1661 case CdlReset:
ef79bbde 1662 case CdlInit:
9f8b032d 1663 StopCdda();
1664 StopReading();
1665 cdr.Ctrl |= 0x80;
1666 cdr.Stat = NoIntr;
1667 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1668 break;
1669
1670 case CdlMute:
1671 cdr.Muted = TRUE;
9f8b032d 1672 cdr.Ctrl |= 0x80;
ef79bbde 1673 cdr.Stat = NoIntr;
9f8b032d 1674 AddIrqQueue(cdr.Cmd, 0x800);
1675
1676 // Duke Nukem - Time to Kill
1677 // - do not directly set cd-xa volume
1678 //SPU_writeRegister( H_CDLeft, 0x0000 );
1679 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1680 break;
1681
1682 case CdlDemute:
1683 cdr.Muted = FALSE;
9f8b032d 1684 cdr.Ctrl |= 0x80;
ef79bbde 1685 cdr.Stat = NoIntr;
9f8b032d 1686 AddIrqQueue(cdr.Cmd, 0x800);
1687
1688 // Duke Nukem - Time to Kill
1689 // - do not directly set cd-xa volume
1690 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1691 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1692 break;
1693
1694 case CdlSetfilter:
1695 cdr.File = cdr.Param[0];
1696 cdr.Channel = cdr.Param[1];
9f8b032d 1697 cdr.Ctrl |= 0x80;
ef79bbde 1698 cdr.Stat = NoIntr;
9f8b032d 1699 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1700 break;
1701
1702 case CdlSetmode:
1703#ifdef CDR_LOG
9f8b032d 1704 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1705#endif
1706 cdr.Mode = cdr.Param[0];
9f8b032d 1707 cdr.Ctrl |= 0x80;
ef79bbde 1708 cdr.Stat = NoIntr;
9f8b032d 1709 AddIrqQueue(cdr.Cmd, 0x800);
1710
1711 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1712 // - fixes choppy movie sound
1713 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1714 StopCdda();
ef79bbde
P		 1715 break;
1716
1717 case CdlGetmode:
9f8b032d 1718 cdr.Ctrl |= 0x80;
ef79bbde 1719 cdr.Stat = NoIntr;
9f8b032d 1720 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1721 break;
1722
1723 case CdlGetlocL:
9f8b032d 1724 cdr.Ctrl |= 0x80;
1725 cdr.Stat = NoIntr;
1726
1727 // Crusaders of Might and Magic - cutscene speech
1728 AddIrqQueue(cdr.Cmd, 0x800);
1729 break;
ef79bbde
P		 1730
1731 case CdlGetlocP:
9f8b032d 1732 cdr.Ctrl |= 0x80;
1733 cdr.Stat = NoIntr;
1734
1735 // GameShark CDX / Lite Player: pretty narrow time window
1736 // - doesn't always work due to time inprecision
1737 //AddIrqQueue(cdr.Cmd, 0x28);
1738
1739 // Tomb Raider 2 - cdda
53951880 1740 //AddIrqQueue(cdr.Cmd, 0x40);
1741
1742 // rearmed: the above works in pcsxr-svn, but breaks here
1743 // (TOCA world touring cars), perhaps some other code is not merged yet
1744 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1745 break;
1746
1747 case CdlGetTN:
9f8b032d 1748 cdr.Ctrl |= 0x80;
1749 cdr.Stat = NoIntr;
1750 //AddIrqQueue(cdr.Cmd, 0x800);
1751
1752 // GameShark CDX CD Player: very long time
1753 AddIrqQueue(cdr.Cmd, 0x100000);
1754 break;
ef79bbde
P		 1755
1756 case CdlGetTD:
9f8b032d 1757 cdr.Ctrl |= 0x80;
ef79bbde 1758 cdr.Stat = NoIntr;
9f8b032d 1759 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1760 break;
1761
1762 case CdlSeekL:
1763// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1764 cdr.Ctrl |= 0x80;
1765 cdr.Stat = NoIntr;
1766 AddIrqQueue(cdr.Cmd, 0x800);
1767
1768 StopCdda();
1769 StopReading();
1770
1771 break;
ef79bbde
P		 1772
1773 case CdlSeekP:
1774// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1775 cdr.Ctrl |= 0x80;
ef79bbde 1776 cdr.Stat = NoIntr;
9f8b032d 1777
1778 // Tomb Raider 2 - reset cdda
1779 StopCdda();
1780 StopReading();
1781
1782 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1783 break;
1784
9f8b032d 1785 // Destruction Derby: read TOC? GetTD after this
1786 case CdlReadT:
1787 cdr.Ctrl |= 0x80;
1788 cdr.Stat = NoIntr;
1789 AddIrqQueue(cdr.Cmd, 0x800);
1790 break;
1791
ef79bbde 1792 case CdlTest:
9f8b032d 1793 cdr.Ctrl |= 0x80;
ef79bbde 1794 cdr.Stat = NoIntr;
9f8b032d 1795 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1796 break;
1797
1798 case CdlID:
9f8b032d 1799 cdr.Ctrl |= 0x80;
ef79bbde 1800 cdr.Stat = NoIntr;
9f8b032d 1801 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1802 break;
1803
1804 case CdlReadS:
9f8b032d 1805 cdr.Irq = 0;
1806 StopReading();
1807 cdr.Ctrl |= 0x80;
1808 cdr.Stat = NoIntr;
1809 StartReading(2, 0x800);
1810 break;
ef79bbde
P		 1811
1812 case CdlReadToc:
9f8b032d 1813 cdr.Ctrl |= 0x80;
ef79bbde 1814 cdr.Stat = NoIntr;
9f8b032d 1815 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1816 break;
1817
1818 default:
2daaaae3 1819 cdr.ParamP = 0;
1820 cdr.ParamC = 0;
ef79bbde 1821#ifdef CDR_LOG
9f8b032d 1822 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1823#endif
9f8b032d 1824 return;
1825 }
ef79bbde
P		 1826 if (cdr.Stat != NoIntr) {
1827 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1828 }
1829}
1830
1831unsigned char cdrRead2(void) {
1832 unsigned char ret;
1833
1834 if (cdr.Readed == 0) {
1835 ret = 0;
1836 } else {
8e1040b6 1837 ret = *pTransfer++;
ef79bbde
P		 1838 }
1839
1840#ifdef CDR_LOG
1841 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1842#endif
1843 return ret;
1844}
1845
1846void cdrWrite2(unsigned char rt) {
1847#ifdef CDR_LOG
1848 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1849#endif
9f8b032d 1850
1851 // Tekken: CDXA fade-out
1852 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1853 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1854 }
1855 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1856 cdr.AttenuatorRight[1] = rt;
9f8b032d 1857 }
1858
1859
1860 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1861 switch (rt) {
1862 case 0x07:
9f8b032d 1863 cdr.ParamP = 0;
ef79bbde
P		 1864 cdr.ParamC = 0;
1865 cdr.ResultReady = 1; //0;
1866 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1867 break;
1868
1869 default:
1870 cdr.Reg2 = rt;
1871 break;
1872 }
50b13be9 1873 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1874 cdr.Param[cdr.ParamP++] = rt;
1875 cdr.ParamC++;
1876 }
1877}
1878
1879unsigned char cdrRead3(void) {
1880 if (cdr.Stat) {
1881 if (cdr.Ctrl & 0x1)
1882 psxHu8(0x1803) = cdr.Stat | 0xE0;
1883 else
1884 psxHu8(0x1803) = 0xff;
1885 } else {
1886 psxHu8(0x1803) = 0;
1887 }
1888#ifdef CDR_LOG
1889 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1890#endif
1891 return psxHu8(0x1803);
1892}
1893
1894void cdrWrite3(unsigned char rt) {
1895#ifdef CDR_LOG
1896 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1897#endif
056d6759 1898
9f8b032d 1899 // Tekken: CDXA fade-out
1900 if( (cdr.Ctrl & 3) == 2 ) {
1901 cdr.AttenuatorLeft[1] = rt;
1902 }
1903 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1904#ifdef CDR_LOG
1905 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1906 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1907 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1908#endif
1909 }
056d6759 1910
9f8b032d 1911
1912 // GameShark CDX CD Player: Irq timing mania
1913 if( rt == 0 &&
1914 cdr.Irq != 0 && cdr.Irq != 0xff &&
1915 cdr.ResultReady == 0 ) {
1916
1917 // GS CDX: ~0x28 cycle timing - way too precise
1918 if( cdr.Irq == CdlGetlocP ) {
1919 cdrInterrupt();
1920
1921 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1922 }
1923 }
1924
1925
50b13be9 1926 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1927 cdr.Stat = 0;
1928
1929 if (cdr.Irq == 0xff) {
1930 cdr.Irq = 0;
1931 return;
1932 }
9f8b032d 1933
aa40e1b8 1934 // XA streaming - incorrect timing because of this reschedule
1935 // - Final Fantasy Tactics
1936 // - various other games
1937
9f8b032d 1938 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1939 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1940 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1941 if (Config.CdrReschedule != 2)
1942 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1943 //printf("-- resched %d -> %d\n", left, time);
1944 CDREAD_INT(time);
4955e9d0 1945 }
9f8b032d 1946 }
ef79bbde
P		 1947
1948 return;
1949 }
9f8b032d 1950
50b13be9 1951 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde 1952 cdr.Readed = 1;
8e1040b6 1953 pTransfer = cdr.Transfer;
ef79bbde
P		 1954
1955 switch (cdr.Mode & 0x30) {
9f8b032d 1956 case MODE_SIZE_2328:
ef79bbde 1957 case 0x00:
8e1040b6 1958 pTransfer += 12;
ef79bbde 1959 break;
9f8b032d 1960
1961 case MODE_SIZE_2340:
8e1040b6 1962 pTransfer += 0;
9f8b032d 1963 break;
1964
ef79bbde
P		 1965 default:
1966 break;
1967 }
1968 }
1969}
1970
1971void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1972 u32 cdsize;
c7071c43 1973 int size;
ef79bbde
P		 1974 u8 *ptr;
1975
1976#ifdef CDR_LOG
1977 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1978#endif
1979
1980 switch (chcr) {
1981 case 0x11000000:
1982 case 0x11400100:
1983 if (cdr.Readed == 0) {
1984#ifdef CDR_LOG
1985 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1986#endif
1987 break;
1988 }
1989
1990 cdsize = (bcr & 0xffff) * 4;
1991
9f8b032d 1992 // Ape Escape: bcr = 0001 / 0000
1993 // - fix boot
1994 if( cdsize == 0 )
1995 {
1996 switch (cdr.Mode & 0x30) {
1997 case 0x00: cdsize = 2048; break;
1998 case MODE_SIZE_2328: cdsize = 2328; break;
1999 case MODE_SIZE_2340: cdsize = 2340; break;
2000 }
2001 }
2002
2003
ef79bbde
P		 2004 ptr = (u8 *)PSXM(madr);
2005 if (ptr == NULL) {
2006#ifdef CPU_LOG
2007 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2008#endif
2009 break;
2010 }
9f8b032d 2011
2012 /*
2013 GS CDX: Enhancement CD crash
2014 - Setloc 0:0:0
2015 - CdlPlay
2016 - Spams DMA3 and gets buffer overrun
2017 */
8e1040b6 2018 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
c7071c43 2019 if (size > cdsize)
2020 size = cdsize;
2021 if (size > 0)
9f8b032d 2022 {
8e1040b6 2023 memcpy(ptr, pTransfer, size);
9f8b032d 2024 }
2025
ef79bbde 2026 psxCpu->Clear(madr, cdsize / 4);
8e1040b6 2027 pTransfer += cdsize;
9f8b032d 2028
2029
2030 // burst vs normal
2031 if( chcr == 0x11400100 ) {
2032 CDRDMA_INT( (cdsize/4) / 4 );
2033 }
2034 else if( chcr == 0x11000000 ) {
2035 CDRDMA_INT( (cdsize/4) * 1 );
2036 }
2037 return;
2038
ef79bbde
P		 2039 default:
2040#ifdef CDR_LOG
2041 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2042#endif
2043 break;
2044 }
2045
2046 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2047 DMA_INTERRUPT(3);
2048}
2049
9f8b032d 2050void cdrDmaInterrupt()
2051{
ad418c19 2052 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2053 {
2054 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2055 DMA_INTERRUPT(3);
2056 }
9f8b032d 2057}
2058
ef79bbde
P		 2059void cdrReset() {
2060 memset(&cdr, 0, sizeof(cdr));
2061 cdr.CurTrack = 1;
2062 cdr.File = 1;
2063 cdr.Channel = 1;
8e1040b6 2064 pTransfer = cdr.Transfer;
056d6759 2065
2066 // BIOS player - default values
2067 cdr.AttenuatorLeft[0] = 0x80;
2068 cdr.AttenuatorLeft[1] = 0x00;
2069 cdr.AttenuatorRight[0] = 0x80;
2070 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2071}
2072
2073int cdrFreeze(gzFile f, int Mode) {
8e1040b6 2074 u32 tmp;
ef79bbde 2075
9f8b032d 2076 if( Mode == 0 ) {
2077 StopCdda();
2078 }
2079
2080 gzfreeze(&cdr, sizeof(cdr));
2081
ef79bbde 2082 if (Mode == 1)
8e1040b6 2083 tmp = pTransfer - cdr.Transfer;
ef79bbde
P		 2084
2085 gzfreeze(&tmp, sizeof(tmp));
2086
42f3c512 2087 if (Mode == 0) {
8e1040b6 2088 pTransfer = cdr.Transfer + tmp;
ef79bbde 2089
42f3c512 2090 if (cdr.Play && !Config.Cdda)
2091 CDR_play(cdr.SetSectorPlay);
2092 }
2093
ef79bbde
P		 2094 return 0;
2095}
9f8b032d 2096
2097void LidInterrupt() {
2098 cdr.LidCheck = 0x20; // start checker
2099
2100 CDRLID_INT( cdReadTime * 3 );
2101
2102 // generate interrupt if none active - open or close
2103 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2104 cdr.Ctrl |= 0x80;
2105 cdr.Stat = NoIntr;
2106 AddIrqQueue(CdlNop, 0x800);
2107 }
2108}
ARM optimized PCSX fork