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cdrom: fix irq check
[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
39df67df 123// for cdr.Seeked
124enum seeked_state {
125 SEEK_PENDING = 0,
126 SEEK_DONE = 1,
127 SEEK_DOING_CMD = 2,
128};
129
ef79bbde 130static struct CdrStat stat;
ef79bbde 131
305c8c93 132static unsigned int msf2sec(u8 *msf) {
9f8b032d 133 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
134}
135
305c8c93 136static void sec2msf(unsigned int s, u8 *msf) {
9f8b032d 137 msf[0] = s / 75 / 60;
138 s = s - msf[0] * 75 * 60;
139 msf[1] = s / 75;
140 s = s - msf[1] * 75;
141 msf[2] = s;
142}
143
39df67df 144// cdrInterrupt
ef79bbde 145#define CDR_INT(eCycle) { \
d28b54b1 146 psxRegs.interrupt |= (1 << PSXINT_CDR); \
147 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
148 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
149 new_dyna_set_event(PSXINT_CDR, eCycle); \
ae602c19 150}
ef79bbde 151
39df67df 152// cdrReadInterrupt
ef79bbde 153#define CDREAD_INT(eCycle) { \
d28b54b1 154 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
155 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
156 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
157 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
ae602c19 158}
ef79bbde 159
39df67df 160// cdrLidSeekInterrupt
9f8b032d 161#define CDRLID_INT(eCycle) { \
162 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
163 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
164 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
165 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
166}
167
39df67df 168// cdrPlayInterrupt
169#define CDRMISC_INT(eCycle) { \
7f457614 170 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
171 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
172 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
173 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
174}
175
ef79bbde
P		 176#define StartReading(type, eCycle) { \
177 cdr.Reading = type; \
178 cdr.FirstSector = 1; \
179 cdr.Readed = 0xff; \
180 AddIrqQueue(READ_ACK, eCycle); \
181}
182
183#define StopReading() { \
184 if (cdr.Reading) { \
185 cdr.Reading = 0; \
d28b54b1 186 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
ef79bbde 187 } \
9f8b032d 188 cdr.StatP &= ~STATUS_READ;\
ef79bbde
P		 189}
190
191#define StopCdda() { \
192 if (cdr.Play) { \
193 if (!Config.Cdda) CDR_stop(); \
9f8b032d 194 cdr.StatP &= ~STATUS_PLAY; \
ef79bbde 195 cdr.Play = FALSE; \
9f8b032d 196 cdr.FastForward = 0; \
197 cdr.FastBackward = 0; \
198 /*SPU_registerCallback( SPUirq );*/ \
ef79bbde
P		 199 } \
200}
201
202#define SetResultSize(size) { \
203 cdr.ResultP = 0; \
204 cdr.ResultC = size; \
205 cdr.ResultReady = 1; \
206}
207
9f8b032d 208
209void cdrLidSeekInterrupt()
210{
211 // turn back on checking
212 if( cdr.LidCheck == 0x10 )
213 {
214 cdr.LidCheck = 0;
215 }
216
217 // official lid close
218 else if( cdr.LidCheck == 0x30 )
219 {
220 // GS CDX 3.3: $13
221 cdr.StatP |= STATUS_ROTATING;
222
223
224 // GS CDX 3.3 - ~50 getlocp tries
225 CDRLID_INT( cdReadTime * 3 );
226 cdr.LidCheck = 0x40;
227 }
228
229 // turn off ready
230 else if( cdr.LidCheck == 0x40 )
231 {
232 // GS CDX 3.3: $01
233 cdr.StatP &= ~STATUS_SHELLOPEN;
234 cdr.StatP &= ~STATUS_ROTATING;
235
236
237 // GS CDX 3.3 - ~50 getlocp tries
238 CDRLID_INT( cdReadTime * 3 );
239 cdr.LidCheck = 0x50;
240 }
241
242 // now seek
243 else if( cdr.LidCheck == 0x50 )
244 {
245 // GameShark Lite: Start seeking ($42)
246 cdr.StatP |= STATUS_SEEK;
247 cdr.StatP |= STATUS_ROTATING;
248 cdr.StatP &= ~STATUS_ERROR;
249
250
251 CDRLID_INT( cdReadTime * 3 );
252 cdr.LidCheck = 0x60;
253 }
254
255 // done = cd ready
256 else if( cdr.LidCheck == 0x60 )
257 {
258 // GameShark Lite: Seek detection done ($02)
259 cdr.StatP &= ~STATUS_SEEK;
260
261 cdr.LidCheck = 0;
262 }
263}
264
9f8b032d 265static void Check_Shell( int Irq )
266{
267 // check case open/close
268 if (cdr.LidCheck > 0)
269 {
270#ifdef CDR_LOG
271 CDR_LOG( "LidCheck\n" );
272#endif
273
274 // $20 = check lid state
275 if( cdr.LidCheck == 0x20 )
276 {
277 u32 i;
278
279 i = stat.Status;
280 if (CDR_getStatus(&stat) != -1)
281 {
aa1f7284 282 // BIOS hangs + BIOS error messages
283 //if (stat.Type == 0xff)
284 //cdr.Stat = DiskError;
9f8b032d 285
286 // case now open
aa1f7284 287 if (stat.Status & STATUS_SHELLOPEN)
9f8b032d 288 {
289 // Vib Ribbon: pre-CD swap
290 StopCdda();
291
292
293 // GameShark Lite: Death if DiskError happens
294 //
295 // Vib Ribbon: Needs DiskError for CD swap
296
297 if (Irq != CdlNop)
298 {
299 cdr.Stat = DiskError;
300
301 cdr.StatP |= STATUS_ERROR;
302 cdr.Result[0] |= STATUS_ERROR;
303 }
304
305 // GameShark Lite: Wants -exactly- $10
306 cdr.StatP |= STATUS_SHELLOPEN;
307 cdr.StatP &= ~STATUS_ROTATING;
308
309
310 CDRLID_INT( cdReadTime * 3 );
311 cdr.LidCheck = 0x10;
312
313
314 // GS CDX 3.3 = $11
315 }
316
317 // case just closed
318 else if ( i & STATUS_SHELLOPEN )
319 {
320 cdr.StatP |= STATUS_ROTATING;
321
322 CheckCdrom();
323
324
325 if( cdr.Stat == NoIntr )
326 cdr.Stat = Acknowledge;
327
328 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
329
330
331 // begin close-seek-ready cycle
332 CDRLID_INT( cdReadTime * 3 );
333 cdr.LidCheck = 0x30;
334
335
336 // GameShark Lite: Wants -exactly- $42, then $02
337 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
338 }
339
340 // case still closed - wait for recheck
341 else
342 {
343 CDRLID_INT( cdReadTime * 3 );
344 cdr.LidCheck = 0x10;
345 }
346 }
347 }
348
349
350 // GS CDX: clear all values but #1,#2
351 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
352 {
353 SetResultSize(16);
354 memset( cdr.Result, 0, 16 );
355
356 cdr.Result[0] = cdr.StatP;
357
358
359 // GS CDX: special return value
360 if( cdr.StatP & STATUS_SHELLOPEN )
361 {
362 cdr.Result[1] = 0x80;
363 }
364
365
366 if( cdr.Stat == NoIntr )
367 cdr.Stat = Acknowledge;
368
369 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
370 }
371 }
372}
373
374
375void Find_CurTrack() {
376 cdr.CurTrack = 0;
377
378 if (CDR_getTN(cdr.ResultTN) != -1) {
379 int lcv;
380
381 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
382 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
383 u32 sect1, sect2;
384
385#ifdef CDR_LOG___0
386 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
387 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
388 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
389 cdr.CurTrack );
390#endif
391
392 // find next track boundary - only need m:s accuracy
393 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
394 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
395
396 // Twisted Metal 4 - psx cdda pregap (2-sec)
397 // - fix in-game music
398 sect2 -= 75 * 2;
399
400 if( sect1 >= sect2 ) {
401 cdr.CurTrack++;
402 continue;
403 }
404 }
405
406 break;
407 }
408 }
409}
410
411static void ReadTrack( u8 *time ) {
412 cdr.Prev[0] = itob( time[0] );
413 cdr.Prev[1] = itob( time[1] );
414 cdr.Prev[2] = itob( time[2] );
ef79bbde
P		 415
416#ifdef CDR_LOG
417 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
418#endif
419 cdr.RErr = CDR_readTrack(cdr.Prev);
420}
421
ef79bbde 422
39df67df 423static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
424 //if (cdr.Irq != 0 && cdr.Irq != 0xff)
425 // printf("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
426
ef79bbde 427 cdr.Irq = irq;
9f8b032d 428 cdr.eCycle = ecycle;
429
9f8b032d 430 CDR_INT(ecycle);
431}
432
433
434void Set_Track()
435{
436 if (CDR_getTN(cdr.ResultTN) != -1) {
437 int lcv;
438
439 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
440 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
441#ifdef CDR_LOG___0
442 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
443 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
444 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
445 cdr.CurTrack );
446#endif
447
448 // check if time matches track start (only need min, sec accuracy)
449 // - m:s:f vs f:s:m
450 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
451 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
452 // skip pregap frames
453 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
454 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
455
456 break;
457 }
458 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
459 break;
460 }
461 }
462 }
463}
464
465
466static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
7f457614 467static void Create_Fake_Subq()
9f8b032d 468{
469 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
470 int diff;
471
472 if (CDR_getTN(cdr.ResultTN) == -1) return;
473 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
474 pregap = 150;
475 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
476 } else {
477 // last track - cd size
478 pregap = 0;
479 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
480 }
481
482 if( cdr.Play == TRUE ) {
483 temp_cur[0] = cdr.SetSectorPlay[0];
484 temp_cur[1] = cdr.SetSectorPlay[1];
485 temp_cur[2] = cdr.SetSectorPlay[2];
486 } else {
487 temp_cur[0] = btoi( cdr.Prev[0] );
488 temp_cur[1] = btoi( cdr.Prev[1] );
489 temp_cur[2] = btoi( cdr.Prev[2] );
490 }
491
492 fake_subq_real[0] = temp_cur[0];
493 fake_subq_real[1] = temp_cur[1];
494 fake_subq_real[2] = temp_cur[2];
495
496 temp_next[0] = cdr.ResultTD[2];
497 temp_next[1] = cdr.ResultTD[1];
498 temp_next[2] = cdr.ResultTD[0];
499
500
501 // flag- next track
502 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
503 fake_subq_change = 1;
504
505 cdr.CurTrack++;
506
507 // end cd
508 if( pregap == 0 ) StopCdda();
509 }
510
511 //////////////////////////////////////////////////
512 //////////////////////////////////////////////////
513
514 // repair
515 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
516 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
517 } else {
518 // last track - cd size
519 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
520 }
521
522 temp_start[0] = cdr.ResultTD[2];
523 temp_start[1] = cdr.ResultTD[1];
524 temp_start[2] = cdr.ResultTD[0];
525
526
527#ifdef CDR_LOG
528 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
529 temp_cur[0], temp_cur[1], temp_cur[2],
530 temp_start[0], temp_start[1], temp_start[2],
531 temp_next[0], temp_next[1], temp_next[2]);
532#endif
533
534
535
536 // local time - pregap / real
537 diff = msf2sec(temp_cur) - msf2sec( temp_start );
538 if( diff < 0 ) {
539 fake_subq_index = 0;
540
541 sec2msf( -diff, fake_subq_local );
ef79bbde 542 } else {
9f8b032d 543 fake_subq_index = 1;
544
545 sec2msf( diff, fake_subq_local );
ef79bbde
P		 546 }
547}
548
9f8b032d 549
7f457614 550static void cdrPlayInterrupt_Autopause()
551{
552 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
9b470ab7 553 int track_changed = 0;
7f457614 554 if (subq != NULL ) {
341eb2c9 555 // update subq
556 ReadTrack( cdr.SetSectorPlay );
557
7f457614 558#ifdef CDR_LOG
559 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
560 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
561#endif
562
563 /*
564 CDDA Autopause
565
566 Silhouette Mirage ($3)
567 Tomb Raider 1 ($7)
568 */
569
a02ee86f 570 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
571 // (how does real thing handle those?)
0e2e3f49 572 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
9b470ab7 573 track_changed = 1;
7f457614 574 } else {
575 Create_Fake_Subq();
576#ifdef CDR_LOG___0
577 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
578 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
579#endif
580
9b470ab7 581 track_changed = fake_subq_change;
7f457614 582 fake_subq_change = 0;
583 }
584
9b470ab7 585 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
7f457614 586#ifdef CDR_LOG
587 CDR_LOG( "CDDA STOP\n" );
588#endif
589
590 // Magic the Gathering
591 // - looping territory cdda
592
593 // ...?
594 //cdr.ResultReady = 1;
595 //cdr.Stat = DataReady;
596 cdr.Stat = DataEnd;
597 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
598
599 StopCdda();
600 }
a02ee86f 601 else if (cdr.Mode & MODE_REPORT) {
7f457614 602 if (subq != NULL) {
603#ifdef CDR_LOG
604 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
605 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
606#endif
a02ee86f 607 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
608 //cdr.CurTrack = btoi( subq->TrackNumber );
7f457614 609
9b470ab7 610 if (subq->AbsoluteAddress[2] & 0xf)
611 return;
612
613 cdr.Result[0] = cdr.StatP;
7f457614 614 // BIOS CD Player: data already BCD format
615 cdr.Result[1] = subq->TrackNumber;
616 cdr.Result[2] = subq->IndexNumber;
617
618 cdr.Result[3] = subq->AbsoluteAddress[0];
619 cdr.Result[4] = subq->AbsoluteAddress[1];
620 cdr.Result[5] = subq->AbsoluteAddress[2];
621 } else {
622#ifdef CDR_LOG___0
623 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
624 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
625#endif
626
9b470ab7 627 if (fake_subq_real[2] & 0xf)
628 return;
629
630 cdr.Result[0] = cdr.StatP;
7f457614 631 // track # / index #
632 cdr.Result[1] = itob(cdr.CurTrack);
633 cdr.Result[2] = itob(fake_subq_index);
634 // absolute
635 cdr.Result[3] = itob( fake_subq_real[0] );
636 cdr.Result[4] = itob( fake_subq_real[1] );
637 cdr.Result[5] = itob( fake_subq_real[2] );
638 }
639
640 // Rayman: Logo freeze (resultready + dataready)
641 cdr.ResultReady = 1;
642 cdr.Stat = DataReady;
643
644 SetResultSize(8);
645 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
646 }
647}
648
39df67df 649// also handles seek
7f457614 650void cdrPlayInterrupt()
651{
39df67df 652 if (cdr.Seeked == SEEK_DOING_CMD) {
653 SetResultSize(1);
654 cdr.StatP |= STATUS_ROTATING;
655 cdr.StatP &= ~STATUS_SEEK;
656 cdr.Result[0] = cdr.StatP;
657 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
658 cdr.Stat = Complete;
f9ccca15 659 if (cdr.Reg2 != 0x18)
39df67df 660 psxHu32ref(0x1070) |= SWAP32(0x4);
661 }
662
663 cdr.Seeked = SEEK_PENDING;
664 CDRMISC_INT(cdReadTime * 20); // ???
665 return;
666 }
667 else if (cdr.Seeked == SEEK_PENDING) {
668 cdr.Seeked = SEEK_DONE;
669 if (!cdr.Play && !cdr.Reading) {
670 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
671 Find_CurTrack();
672 ReadTrack(cdr.SetSector);
673 }
674 }
675
676 if (!cdr.Play) return;
7f457614 677
678#ifdef CDR_LOG
679 CDR_LOG( "CDDA - %d:%d:%d\n",
680 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
681#endif
39df67df 682 CDRMISC_INT( cdReadTime );
7f457614 683
684 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
685 cdrPlayInterrupt_Autopause();
686
687 cdr.SetSectorPlay[2]++;
688 if (cdr.SetSectorPlay[2] == 75) {
689 cdr.SetSectorPlay[2] = 0;
690 cdr.SetSectorPlay[1]++;
691 if (cdr.SetSectorPlay[1] == 60) {
692 cdr.SetSectorPlay[1] = 0;
693 cdr.SetSectorPlay[0]++;
694 }
695 }
696
697 //Check_Shell(0);
698}
699
ef79bbde
P		 700void cdrInterrupt() {
701 int i;
702 unsigned char Irq = cdr.Irq;
7f457614 703 struct SubQ *subq;
ef79bbde 704
9f8b032d 705 // Reschedule IRQ
ef79bbde 706 if (cdr.Stat) {
9f8b032d 707 CDR_INT( 0x100 );
ef79bbde
P		 708 return;
709 }
710
711 cdr.Irq = 0xff;
712 cdr.Ctrl &= ~0x80;
713
714 switch (Irq) {
715 case CdlSync:
716 SetResultSize(1);
9f8b032d 717 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 718 cdr.Result[0] = cdr.StatP;
719 cdr.Stat = Acknowledge;
720 break;
721
722 case CdlNop:
723 SetResultSize(1);
724 cdr.Result[0] = cdr.StatP;
725 cdr.Stat = Acknowledge;
9f8b032d 726
727 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 728 break;
729
730 case CdlSetloc:
731 cdr.CmdProcess = 0;
732 SetResultSize(1);
9f8b032d 733 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 734 cdr.Result[0] = cdr.StatP;
735 cdr.Stat = Acknowledge;
736 break;
737
738 case CdlPlay:
9f8b032d 739 fake_subq_change = 0;
740
39df67df 741 if (cdr.Seeked == SEEK_PENDING) {
742 // XXX: wrong, should seek instead..
9f8b032d 743 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
39df67df 744 cdr.Seeked = SEEK_DONE;
9f8b032d 745 }
746
747 /*
748 Rayman: detect track changes
749 - fixes logo freeze
750
751 Twisted Metal 2: skip PREGAP + starting accurate SubQ
752 - plays tracks without retry play
753
754 Wild 9: skip PREGAP + starting accurate SubQ
755 - plays tracks without retry play
756 */
696c9530 757 /* unneeded with correct cdriso?
9f8b032d 758 Set_Track();
696c9530 759 */
9f8b032d 760 Find_CurTrack();
761 ReadTrack( cdr.SetSectorPlay );
762
9f8b032d 763 // GameShark CD Player: Calls 2x + Play 2x
764 if( cdr.FastBackward || cdr.FastForward ) {
765 if( cdr.FastForward ) cdr.FastForward--;
766 if( cdr.FastBackward ) cdr.FastBackward--;
767
768 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
769 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
770 cdr.SetSectorPlay[0] = stat.Time[0];
771 cdr.SetSectorPlay[1] = stat.Time[1];
772 cdr.SetSectorPlay[2] = stat.Time[2];
773 }
774 }
775 }
776
777
778 if (!Config.Cdda) {
779 // BIOS CD Player
780 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
781
782 // GameShark CD Player: Resume play
783 if( cdr.ParamC == 0 ) {
784#ifdef CDR_LOG___0
785 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
786 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
787#endif
788
789 //CDR_play( cdr.SetSectorPlay );
790 }
791 else
792 {
793 // BIOS CD Player: Resume play
794 if( cdr.Param[0] == 0 ) {
795#ifdef CDR_LOG___0
796 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
797 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
798#endif
799
800 //CDR_play( cdr.SetSectorPlay );
801 }
802 else {
803#ifdef CDR_LOG___0
804 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
805 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
806#endif
807
808 // BIOS CD Player: Allow track replaying
809 StopCdda();
810
811
812 cdr.CurTrack = btoi( cdr.Param[0] );
813
814 if (CDR_getTN(cdr.ResultTN) != -1) {
815 // check last track
816 if (cdr.CurTrack > cdr.ResultTN[1])
817 cdr.CurTrack = cdr.ResultTN[1];
818
819 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
820 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
821 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
822 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
823
824 // reset data
a02ee86f 825 //Set_Track();
9f8b032d 826 Find_CurTrack();
827 ReadTrack( cdr.SetSectorPlay );
828
829 //CDR_play(cdr.SetSectorPlay);
830 }
831 }
832 }
833 }
834 }
835
836
837 // Vib Ribbon: gameplay checks flag
838 cdr.StatP &= ~STATUS_SEEK;
839
840
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 = Acknowledge;
9f8b032d 846
847 cdr.StatP |= STATUS_PLAY;
848
849
850 // BIOS player - set flag again
851 cdr.Play = TRUE;
852
39df67df 853 CDRMISC_INT( cdReadTime );
ef79bbde
P		 854 break;
855
9f8b032d 856 case CdlForward:
ef79bbde
P		 857 cdr.CmdProcess = 0;
858 SetResultSize(1);
9f8b032d 859 cdr.StatP |= STATUS_ROTATING;
860 cdr.Result[0] = cdr.StatP;
861 cdr.Stat = Complete;
862
863
864 // GameShark CD Player: Calls 2x + Play 2x
865 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
866 else cdr.FastForward++;
867
868 cdr.FastBackward = 0;
ef79bbde
P		 869 break;
870
9f8b032d 871 case CdlBackward:
ef79bbde
P		 872 cdr.CmdProcess = 0;
873 SetResultSize(1);
9f8b032d 874 cdr.StatP |= STATUS_ROTATING;
875 cdr.Result[0] = cdr.StatP;
876 cdr.Stat = Complete;
877
878
879 // GameShark CD Player: Calls 2x + Play 2x
880 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
881 else cdr.FastBackward++;
882
883 cdr.FastForward = 0;
ef79bbde
P		 884 break;
885
9f8b032d 886 case CdlStandby:
ef79bbde
P		 887 cdr.CmdProcess = 0;
888 SetResultSize(1);
9f8b032d 889 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 890 cdr.Result[0] = cdr.StatP;
891 cdr.Stat = Complete;
892 break;
893
894 case CdlStop:
895 cdr.CmdProcess = 0;
896 SetResultSize(1);
9f8b032d 897 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 898 cdr.Result[0] = cdr.StatP;
899 cdr.Stat = Complete;
900// cdr.Stat = Acknowledge;
901
9f8b032d 902 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 903 break;
904
905 case CdlPause:
906 SetResultSize(1);
907 cdr.Result[0] = cdr.StatP;
9f8b032d 908 cdr.Stat = Acknowledge;
909
12228917 910 /*
911 Gundam Battle Assault 2: much slower (*)
912 - Fixes boot, gameplay
913
914 Hokuto no Ken 2: slower
915 - Fixes intro + subtitles
916
917 InuYasha - Feudal Fairy Tale: slower
918 - Fixes battles
919 */
920 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 921 cdr.Ctrl |= 0x80;
922 break;
923
924 case CdlPause + 0x20:
925 SetResultSize(1);
9f8b032d 926 cdr.StatP &= ~STATUS_READ;
927 cdr.StatP |= STATUS_ROTATING;
ef79bbde 928 cdr.Result[0] = cdr.StatP;
9f8b032d 929 cdr.Stat = Complete;
ef79bbde
P		 930 break;
931
9f8b032d 932 case CdlInit:
ef79bbde 933 SetResultSize(1);
9f8b032d 934 cdr.StatP = STATUS_ROTATING;
ef79bbde 935 cdr.Result[0] = cdr.StatP;
9f8b032d 936 cdr.Stat = Acknowledge;
ef79bbde 937// if (!cdr.Init) {
9f8b032d 938 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 939// }
940 break;
941
942 case CdlInit + 0x20:
943 SetResultSize(1);
944 cdr.Result[0] = cdr.StatP;
9f8b032d 945 cdr.Stat = Complete;
ef79bbde
P		 946 cdr.Init = 1;
947 break;
948
9f8b032d 949 case CdlMute:
ef79bbde 950 SetResultSize(1);
9f8b032d 951 cdr.StatP |= STATUS_ROTATING;
952 cdr.Result[0] = cdr.StatP;
953 cdr.Stat = Acknowledge;
ef79bbde
P		 954 break;
955
9f8b032d 956 case CdlDemute:
ef79bbde 957 SetResultSize(1);
9f8b032d 958 cdr.StatP |= STATUS_ROTATING;
959 cdr.Result[0] = cdr.StatP;
960 cdr.Stat = Acknowledge;
ef79bbde
P		 961 break;
962
9f8b032d 963 case CdlSetfilter:
ef79bbde 964 SetResultSize(1);
9f8b032d 965 cdr.StatP |= STATUS_ROTATING;
966 cdr.Result[0] = cdr.StatP;
967 cdr.Stat = Acknowledge;
968 break;
ef79bbde
P		 969
970 case CdlSetmode:
971 SetResultSize(1);
9f8b032d 972 cdr.StatP |= STATUS_ROTATING;
973 cdr.Result[0] = cdr.StatP;
974 cdr.Stat = Acknowledge;
975 break;
ef79bbde 976
9f8b032d 977 case CdlGetmode:
ef79bbde 978 SetResultSize(6);
9f8b032d 979 cdr.StatP |= STATUS_ROTATING;
980 cdr.Result[0] = cdr.StatP;
981 cdr.Result[1] = cdr.Mode;
982 cdr.Result[2] = cdr.File;
983 cdr.Result[3] = cdr.Channel;
984 cdr.Result[4] = 0;
985 cdr.Result[5] = 0;
986 cdr.Stat = Acknowledge;
987 break;
ef79bbde 988
9f8b032d 989 case CdlGetlocL:
ef79bbde 990 SetResultSize(8);
9f8b032d 991 for (i = 0; i < 8; i++)
ef79bbde 992 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 993 cdr.Stat = Acknowledge;
994 break;
ef79bbde
P		 995
996 case CdlGetlocP:
9f8b032d 997 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
998 SetResultSize(17);
999 memset( cdr.Result, 0, 16 );
1000
ef79bbde
P		 1001 subq = (struct SubQ *)CDR_getBufferSub();
1002
1003 if (subq != NULL) {
7851087d 1004 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1005 // update subq
1006 ReadTrack( cdr.SetSectorPlay );
341eb2c9 1007
ef79bbde
P		 1008 cdr.Result[0] = subq->TrackNumber;
1009 cdr.Result[1] = subq->IndexNumber;
1010 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
1011 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
1012
9f8b032d 1013
1014 // subQ integrity check - data only (skip audio)
1015 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 1016 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
1017 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
1018 }
9f8b032d 1019 }
ef79bbde 1020 } else {
7f457614 1021 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1022 Create_Fake_Subq();
ef79bbde 1023
ef79bbde 1024
9f8b032d 1025 // track # / index #
1026 cdr.Result[0] = itob(cdr.CurTrack);
1027 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 1028
9f8b032d 1029 // local
1030 cdr.Result[2] = itob( fake_subq_local[0] );
1031 cdr.Result[3] = itob( fake_subq_local[1] );
1032 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 1033
9f8b032d 1034 // absolute
1035 cdr.Result[5] = itob( fake_subq_real[0] );
1036 cdr.Result[6] = itob( fake_subq_real[1] );
1037 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 1038 }
1039
9f8b032d 1040 // redump.org - wipe time
ae4e7dc9 1041 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 1042 memset( cdr.Result+2, 0, 6 );
1043 }
9f8b032d 1044
ef79bbde
P		 1045 cdr.Stat = Acknowledge;
1046 break;
1047
9f8b032d 1048 case CdlGetTN:
1049 // 5-Star Racing: don't stop CDDA
1050 //
1051 // Vib Ribbon: CD swap
1052 StopReading();
1053
ef79bbde
P		 1054 cdr.CmdProcess = 0;
1055 SetResultSize(3);
9f8b032d 1056 cdr.StatP |= STATUS_ROTATING;
1057 cdr.Result[0] = cdr.StatP;
1058 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1059 cdr.Stat = DiskError;
9f8b032d 1060 cdr.Result[0] |= STATUS_ERROR;
1061 } else {
1062 cdr.Stat = Acknowledge;
1063 cdr.Result[1] = itob(cdr.ResultTN[0]);
1064 cdr.Result[2] = itob(cdr.ResultTN[1]);
1065 }
1066 break;
ef79bbde 1067
9f8b032d 1068 case CdlGetTD:
ef79bbde
P		 1069 cdr.CmdProcess = 0;
1070 cdr.Track = btoi(cdr.Param[0]);
1071 SetResultSize(4);
9f8b032d 1072 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1073 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1074 cdr.Stat = DiskError;
9f8b032d 1075 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1076 } else {
1077 cdr.Stat = Acknowledge;
1078 cdr.Result[0] = cdr.StatP;
1079 cdr.Result[1] = itob(cdr.ResultTD[2]);
1080 cdr.Result[2] = itob(cdr.ResultTD[1]);
1081 cdr.Result[3] = itob(cdr.ResultTD[0]);
1082 }
1083 break;
1084
9f8b032d 1085 case CdlSeekL:
39df67df 1086 case CdlSeekP:
ef79bbde 1087 SetResultSize(1);
9f8b032d 1088 cdr.StatP |= STATUS_ROTATING;
1089 cdr.Result[0] = cdr.StatP;
1090 cdr.StatP |= STATUS_SEEK;
1091 cdr.Stat = Acknowledge;
1092
1093 /*
1094 Crusaders of Might and Magic = 0.5x-4x
1095 - fix cutscene speech start
1096
1097 Eggs of Steel = 2x-?
1098 - fix new game
1099
1100 Medievil = ?-4x
1101 - fix cutscene speech
1102
1103 Rockman X5 = 0.5-4x
1104 - fix capcom logo
1105 */
39df67df 1106 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1107 cdr.Seeked = SEEK_DOING_CMD;
ef79bbde
P		 1108 break;
1109
1110 case CdlTest:
9f8b032d 1111 cdr.Stat = Acknowledge;
1112 switch (cdr.Param[0]) {
1113 case 0x20: // System Controller ROM Version
ef79bbde
P		 1114 SetResultSize(4);
1115 memcpy(cdr.Result, Test20, 4);
1116 break;
1117 case 0x22:
1118 SetResultSize(8);
1119 memcpy(cdr.Result, Test22, 4);
1120 break;
1121 case 0x23: case 0x24:
1122 SetResultSize(8);
1123 memcpy(cdr.Result, Test23, 4);
1124 break;
9f8b032d 1125 }
ef79bbde
P		 1126 break;
1127
9f8b032d 1128 case CdlID:
ef79bbde 1129 SetResultSize(1);
9f8b032d 1130 cdr.StatP |= STATUS_ROTATING;
1131 cdr.Result[0] = cdr.StatP;
1132 cdr.Stat = Acknowledge;
1133 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1134 break;
1135
1136 case CdlID + 0x20:
1137 SetResultSize(8);
9f8b032d 1138
1139 if (CDR_getStatus(&stat) == -1) {
1140 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1141 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1142 }
1143 else {
1144 if (stat.Type == 2) {
1145 // Music CD
1146 cdr.Result[0] = 0x08;
1147 cdr.Result[1] = 0x10;
1148
1149 cdr.Result[1] |= 0x80;
1150 }
1151 else {
1152 // Data CD
1153 if (CdromId[0] == '\0') {
1154 cdr.Result[0] = 0x00;
1155 cdr.Result[1] = 0x80;
1156 }
1157 else {
1158 cdr.Result[0] = 0x08;
1159 cdr.Result[1] = 0x00;
1160 }
1161 }
1162 }
1163
ef79bbde
P		 1164 cdr.Result[2] = 0x00;
1165 cdr.Result[3] = 0x00;
1166 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1167 cdr.Stat = Complete;
1168 break;
1169
1170 case CdlReset:
1171 SetResultSize(1);
9f8b032d 1172 cdr.StatP = STATUS_ROTATING;
ef79bbde 1173 cdr.Result[0] = cdr.StatP;
9f8b032d 1174 cdr.Stat = Acknowledge;
ef79bbde
P		 1175 break;
1176
9f8b032d 1177 case CdlReadT:
1178 SetResultSize(1);
1179 cdr.StatP |= STATUS_ROTATING;
1180 cdr.Result[0] = cdr.StatP;
1181 cdr.Stat = Acknowledge;
1182 AddIrqQueue(CdlReadT + 0x20, 0x800);
1183 break;
1184
1185 case CdlReadT + 0x20:
1186 SetResultSize(1);
1187 cdr.StatP |= STATUS_ROTATING;
1188 cdr.Result[0] = cdr.StatP;
1189 cdr.Stat = Complete;
1190 break;
1191
1192 case CdlReadToc:
ef79bbde 1193 SetResultSize(1);
9f8b032d 1194 cdr.StatP |= STATUS_ROTATING;
1195 cdr.Result[0] = cdr.StatP;
1196 cdr.Stat = Acknowledge;
1197 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1198 break;
1199
9f8b032d 1200 case CdlReadToc + 0x20:
ef79bbde 1201 SetResultSize(1);
9f8b032d 1202 cdr.StatP |= STATUS_ROTATING;
1203 cdr.Result[0] = cdr.StatP;
1204 cdr.Stat = Complete;
ef79bbde
P		 1205 break;
1206
1207 case AUTOPAUSE:
1208 cdr.OCUP = 0;
1209/* SetResultSize(1);
1210 StopCdda();
1211 StopReading();
1212 cdr.OCUP = 0;
9f8b032d 1213 cdr.StatP&=~0x20;
ef79bbde 1214 cdr.StatP|= 0x2;
9f8b032d 1215 cdr.Result[0] = cdr.StatP;
1216 cdr.Stat = DataEnd;
ef79bbde
P		 1217*/ AddIrqQueue(CdlPause, 0x800);
1218 break;
1219
1220 case READ_ACK:
1221 if (!cdr.Reading) return;
1222
9f8b032d 1223
1224 // Fighting Force 2 - update subq time immediately
1225 // - fixes new game
1226 ReadTrack( cdr.SetSector );
1227
1228
1229 // Crusaders of Might and Magic - update getlocl now
1230 // - fixes cutscene speech
1231 {
1232 u8 *buf = CDR_getBuffer();
a48ae3a7 1233 if (buf != NULL)
1234 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1235 }
39df67df 1236
9f8b032d 1237 /*
1238 Duke Nukem: Land of the Babes - seek then delay read for one frame
1239 - fixes cutscenes
914722b2 1240 C-12 - Final Resistance - doesn't like seek
9f8b032d 1241 */
1242
39df67df 1243 if (cdr.Seeked != SEEK_DONE) {
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
39df67df 1283 printf("cdrInterrupt() Log: CDR Interrupt IRQ %x: ", Irq);
1284 for (i = 0; i < cdr.ResultC; i++)
1285 printf("%02x ", cdr.Result[i]);
1286 printf("\n");
ef79bbde
P		 1287#endif
1288}
1289
1290void cdrReadInterrupt() {
1291 u8 *buf;
1292
1293 if (!cdr.Reading)
1294 return;
1295
9f8b032d 1296 if (cdr.Irq || cdr.Stat) {
1297 CDREAD_INT(0x100);
ef79bbde
P		 1298 return;
1299 }
1300
1301#ifdef CDR_LOG
1302 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1303#endif
1304
9f8b032d 1305 cdr.OCUP = 1;
ef79bbde 1306 SetResultSize(1);
9f8b032d 1307 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1308 cdr.StatP &= ~STATUS_SEEK;
1309 cdr.Result[0] = cdr.StatP;
39df67df 1310 cdr.Seeked = SEEK_DONE;
ef79bbde 1311
9f8b032d 1312 ReadTrack( cdr.SetSector );
ef79bbde
P		 1313
1314 buf = CDR_getBuffer();
1315 if (buf == NULL)
1316 cdr.RErr = -1;
1317
1318 if (cdr.RErr == -1) {
1319#ifdef CDR_LOG
1320 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1321#endif
1322 memset(cdr.Transfer, 0, DATA_SIZE);
1323 cdr.Stat = DiskError;
9f8b032d 1324 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1325 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1326 return;
1327 }
1328
1329 memcpy(cdr.Transfer, buf, DATA_SIZE);
1330 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1331
ef79bbde
P		 1332
1333#ifdef CDR_LOG
1334 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1335#endif
1336
9f8b032d 1337 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1338 // Firemen 2: Multi-XA files - briefings, cutscenes
1339 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1340 cdr.File = cdr.Transfer[4 + 0];
1341 cdr.Channel = cdr.Transfer[4 + 1];
1342 }
1343
ef79bbde 1344 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1345 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1346 (cdr.Transfer[4 + 0] == cdr.File)) {
1347 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1348
1349 if (!ret) {
056d6759 1350 // only handle attenuator basic channel switch for now
1351 if (cdr.Xa.stereo) {
1352 int i;
1353 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1354 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1355 {
1356 for (i = 0; i < cdr.Xa.nsamples; i++)
1357 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1358 }
1359 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1360 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1361 {
1362 for (i = 0; i < cdr.Xa.nsamples; i++)
1363 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1364 }
1365 }
1366
ef79bbde
P		 1367 SPU_playADPCMchannel(&cdr.Xa);
1368 cdr.FirstSector = 0;
9f8b032d 1369
2f246254 1370#if 0
9f8b032d 1371 // Crash Team Racing: music, speech
2f246254 1372 // - done using cdda decoded buffer (spu irq)
1373 // - don't do here
9f8b032d 1374
1375 // signal ADPCM data ready
1376 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1377#endif
ef79bbde
P		 1378 }
1379 else cdr.FirstSector = -1;
1380 }
1381 }
1382
1383 cdr.SetSector[2]++;
9f8b032d 1384 if (cdr.SetSector[2] == 75) {
1385 cdr.SetSector[2] = 0;
1386 cdr.SetSector[1]++;
1387 if (cdr.SetSector[1] == 60) {
1388 cdr.SetSector[1] = 0;
1389 cdr.SetSector[0]++;
1390 }
1391 }
1392
1393 cdr.Readed = 0;
1394
1395 // G-Police: Don't autopause ADPCM even if mode set (music)
1396 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1397 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1398#ifdef CDR_LOG
1399 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1400#endif
9f8b032d 1401// AddIrqQueue(AUTOPAUSE, 0x2000);
1402 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1403 }
1404 else {
9f8b032d 1405 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1406 }
1407
1408 /*
1409 Croc 2: $40 - only FORM1 (*)
1410 Judge Dredd: $C8 - only FORM1 (*)
1411 Sim Theme Park - no adpcm at all (zero)
1412 */
1413
1414 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1415 cdr.Stat = DataReady;
1416 } else {
1417 // Breath of Fire 3 - fix inn sleeping
1418 // Rockman X5 - no music restart problem
1419 cdr.Stat = NoIntr;
ef79bbde
P		 1420 }
1421 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1422
1423 Check_Shell(0);
ef79bbde
P		 1424}
1425
1426/*
1427cdrRead0:
1428 bit 0 - 0 REG1 command send / 1 REG1 data read
1429 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1430 bit 2 - unknown
1431 bit 3 - unknown
1432 bit 4 - unknown
1433 bit 5 - 1 result ready
1434 bit 6 - 1 dma ready
1435 bit 7 - 1 command being processed
1436*/
1437
1438unsigned char cdrRead0(void) {
1439 if (cdr.ResultReady)
1440 cdr.Ctrl |= 0x20;
1441 else
1442 cdr.Ctrl &= ~0x20;
1443
1444 if (cdr.OCUP)
1445 cdr.Ctrl |= 0x40;
1446// else
1447// cdr.Ctrl &= ~0x40;
1448
1449 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1450 cdr.Ctrl |= 0x18;
1451
1452#ifdef CDR_LOG
1453 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1454#endif
1455
1456 return psxHu8(0x1800) = cdr.Ctrl;
1457}
1458
1459/*
1460cdrWrite0:
1461 0 - to send a command / 1 - to get the result
1462*/
1463
1464void cdrWrite0(unsigned char rt) {
1465#ifdef CDR_LOG
1466 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1467#endif
50b13be9 1468 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1469}
1470
1471unsigned char cdrRead1(void) {
1472 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1473 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1474 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1475 cdr.ResultP++;
ef79bbde
P		 1476 if (cdr.ResultP == cdr.ResultC)
1477 cdr.ResultReady = 0;
1478 } else {
1479 psxHu8(0x1801) = 0;
1480 }
1481#ifdef CDR_LOG
1482 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1483#endif
1484 return psxHu8(0x1801);
1485}
1486
1487void cdrWrite1(unsigned char rt) {
305c8c93 1488 u8 set_loc[3];
ef79bbde
P		 1489 int i;
1490
1491#ifdef CDR_LOG
1492 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1493#endif
9f8b032d 1494
1495
1496 // Tekken: CDXA fade-out
1497 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1498 cdr.AttenuatorRight[0] = rt;
9f8b032d 1499 }
1500
1501
ef79bbde 1502// psxHu8(0x1801) = rt;
9f8b032d 1503 cdr.Cmd = rt;
ef79bbde
P		 1504 cdr.OCUP = 0;
1505
1506#ifdef CDRCMD_DEBUG
1507 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1508 if (cdr.ParamC) {
1509 SysPrintf(" Param[%d] = {", cdr.ParamC);
1510 for (i = 0; i < cdr.ParamC; i++)
1511 SysPrintf(" %x,", cdr.Param[i]);
1512 SysPrintf("}\n");
1513 } else {
1514 SysPrintf("\n");
1515 }
1516#endif
1517
50b13be9 1518 if (cdr.Ctrl & 0x3) return;
ef79bbde 1519
2daaaae3 1520 cdr.ResultReady = 0;
1521
9f8b032d 1522 switch (cdr.Cmd) {
ef79bbde 1523 case CdlSync:
9f8b032d 1524 cdr.Ctrl |= 0x80;
ef79bbde 1525 cdr.Stat = NoIntr;
9f8b032d 1526 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1527 break;
1528
1529 case CdlNop:
9f8b032d 1530 cdr.Ctrl |= 0x80;
ef79bbde 1531 cdr.Stat = NoIntr;
9f8b032d 1532
1533 // Twisted Metal 3 - fix music
1534 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1535 break;
1536
1537 case CdlSetloc:
9f8b032d 1538 StopReading();
9f8b032d 1539 for (i = 0; i < 3; i++)
914722b2 1540 set_loc[i] = btoi(cdr.Param[i]);
39df67df 1541
914722b2 1542 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1543 if (i > 16)
39df67df 1544 cdr.Seeked = SEEK_PENDING;
1545
914722b2 1546 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1547 cdr.SetSector[3] = 0;
9f8b032d 1548
9f8b032d 1549 cdr.Ctrl |= 0x80;
ef79bbde 1550 cdr.Stat = NoIntr;
9f8b032d 1551 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1552 break;
1553
1554 case CdlPlay:
9f8b032d 1555 // Vib Ribbon: try same track again
1556 StopCdda();
1557
1558 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1559 if (CDR_getTN(cdr.ResultTN) != -1) {
1560 if (cdr.CurTrack > cdr.ResultTN[1])
1561 cdr.CurTrack = cdr.ResultTN[1];
1562 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1563 int tmp = cdr.ResultTD[2];
1564 cdr.ResultTD[2] = cdr.ResultTD[0];
1565 cdr.ResultTD[0] = tmp;
1566 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1567 }
ef79bbde 1568 }
9f8b032d 1569 } else if (!Config.Cdda) {
1570 CDR_play(cdr.SetSector);
1571 }
1572
1573 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1574 // - fixes ribbon timing + music CD mode
1575 //TODO?
1576 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1577
1578
1579 cdr.Play = TRUE;
1580
1581 cdr.StatP |= STATUS_SEEK;
1582 cdr.StatP &= ~STATUS_ROTATING;
1583
1584 cdr.Ctrl |= 0x80;
1585 cdr.Stat = NoIntr;
1586 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1587 break;
1588
1589 case CdlForward:
9f8b032d 1590 //if (cdr.CurTrack < 0xaa)
1591 // cdr.CurTrack++;
1592 cdr.Ctrl |= 0x80;
ef79bbde 1593 cdr.Stat = NoIntr;
9f8b032d 1594 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1595 break;
1596
1597 case CdlBackward:
9f8b032d 1598 //if (cdr.CurTrack > 1)
1599 //cdr.CurTrack--;
1600 cdr.Ctrl |= 0x80;
1601 cdr.Stat = NoIntr;
1602 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1603 break;
1604
1605 case CdlReadN:
9f8b032d 1606 cdr.Irq = 0;
1607 StopReading();
1608 cdr.Ctrl|= 0x80;
1609 cdr.Stat = NoIntr;
1610 StartReading(1, 0x800);
1611 break;
ef79bbde
P		 1612
1613 case CdlStandby:
9f8b032d 1614 StopCdda();
1615 StopReading();
1616 cdr.Ctrl |= 0x80;
1617 cdr.Stat = NoIntr;
1618 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1619 break;
1620
1621 case CdlStop:
9f8b032d 1622 // GameShark CD Player: Reset CDDA to track start
1623 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1624 cdr.SetSectorPlay[0] = stat.Time[0];
1625 cdr.SetSectorPlay[1] = stat.Time[1];
1626 cdr.SetSectorPlay[2] = stat.Time[2];
1627
1628 Find_CurTrack();
1629
1630
1631 // grab time for current track
1632 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1633
1634 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1635 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1636 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1637 }
1638
1639 StopCdda();
1640 StopReading();
1641
1642 cdr.Ctrl |= 0x80;
1643 cdr.Stat = NoIntr;
1644 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1645 break;
1646
1647 case CdlPause:
9f8b032d 1648 /*
1649 GameShark CD Player: save time for resume
1650
aa1f7284 1651 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1652 */
ef79bbde 1653
9f8b032d 1654 StopCdda();
1655 StopReading();
1656 cdr.Ctrl |= 0x80;
1657 cdr.Stat = NoIntr;
1658
12228917 1659 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1660 break;
1661
1662 case CdlReset:
ef79bbde 1663 case CdlInit:
39df67df 1664 cdr.Seeked = SEEK_DONE;
9f8b032d 1665 StopCdda();
1666 StopReading();
1667 cdr.Ctrl |= 0x80;
1668 cdr.Stat = NoIntr;
1669 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1670 break;
1671
1672 case CdlMute:
1673 cdr.Muted = TRUE;
9f8b032d 1674 cdr.Ctrl |= 0x80;
ef79bbde 1675 cdr.Stat = NoIntr;
9f8b032d 1676 AddIrqQueue(cdr.Cmd, 0x800);
1677
1678 // Duke Nukem - Time to Kill
1679 // - do not directly set cd-xa volume
1680 //SPU_writeRegister( H_CDLeft, 0x0000 );
1681 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1682 break;
1683
1684 case CdlDemute:
1685 cdr.Muted = FALSE;
9f8b032d 1686 cdr.Ctrl |= 0x80;
ef79bbde 1687 cdr.Stat = NoIntr;
9f8b032d 1688 AddIrqQueue(cdr.Cmd, 0x800);
1689
1690 // Duke Nukem - Time to Kill
1691 // - do not directly set cd-xa volume
1692 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1693 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1694 break;
1695
1696 case CdlSetfilter:
1697 cdr.File = cdr.Param[0];
1698 cdr.Channel = cdr.Param[1];
9f8b032d 1699 cdr.Ctrl |= 0x80;
ef79bbde 1700 cdr.Stat = NoIntr;
9f8b032d 1701 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1702 break;
1703
1704 case CdlSetmode:
1705#ifdef CDR_LOG
9f8b032d 1706 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1707#endif
1708 cdr.Mode = cdr.Param[0];
9f8b032d 1709 cdr.Ctrl |= 0x80;
ef79bbde 1710 cdr.Stat = NoIntr;
9f8b032d 1711 AddIrqQueue(cdr.Cmd, 0x800);
1712
1713 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1714 // - fixes choppy movie sound
1715 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1716 StopCdda();
ef79bbde
P		 1717 break;
1718
1719 case CdlGetmode:
9f8b032d 1720 cdr.Ctrl |= 0x80;
ef79bbde 1721 cdr.Stat = NoIntr;
9f8b032d 1722 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1723 break;
1724
1725 case CdlGetlocL:
9f8b032d 1726 cdr.Ctrl |= 0x80;
1727 cdr.Stat = NoIntr;
1728
1729 // Crusaders of Might and Magic - cutscene speech
1730 AddIrqQueue(cdr.Cmd, 0x800);
1731 break;
ef79bbde
P		 1732
1733 case CdlGetlocP:
9f8b032d 1734 cdr.Ctrl |= 0x80;
1735 cdr.Stat = NoIntr;
1736
1737 // GameShark CDX / Lite Player: pretty narrow time window
1738 // - doesn't always work due to time inprecision
1739 //AddIrqQueue(cdr.Cmd, 0x28);
1740
1741 // Tomb Raider 2 - cdda
53951880 1742 //AddIrqQueue(cdr.Cmd, 0x40);
1743
1744 // rearmed: the above works in pcsxr-svn, but breaks here
1745 // (TOCA world touring cars), perhaps some other code is not merged yet
1746 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1747 break;
1748
1749 case CdlGetTN:
9f8b032d 1750 cdr.Ctrl |= 0x80;
1751 cdr.Stat = NoIntr;
1752 //AddIrqQueue(cdr.Cmd, 0x800);
1753
1754 // GameShark CDX CD Player: very long time
1755 AddIrqQueue(cdr.Cmd, 0x100000);
1756 break;
ef79bbde
P		 1757
1758 case CdlGetTD:
9f8b032d 1759 cdr.Ctrl |= 0x80;
ef79bbde 1760 cdr.Stat = NoIntr;
9f8b032d 1761 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1762 break;
1763
1764 case CdlSeekL:
1765// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1766 cdr.Ctrl |= 0x80;
1767 cdr.Stat = NoIntr;
1768 AddIrqQueue(cdr.Cmd, 0x800);
1769
1770 StopCdda();
1771 StopReading();
1772
1773 break;
ef79bbde
P		 1774
1775 case CdlSeekP:
1776// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1777 cdr.Ctrl |= 0x80;
ef79bbde 1778 cdr.Stat = NoIntr;
9f8b032d 1779
1780 // Tomb Raider 2 - reset cdda
1781 StopCdda();
1782 StopReading();
1783
1784 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1785 break;
1786
9f8b032d 1787 // Destruction Derby: read TOC? GetTD after this
1788 case CdlReadT:
1789 cdr.Ctrl |= 0x80;
1790 cdr.Stat = NoIntr;
1791 AddIrqQueue(cdr.Cmd, 0x800);
1792 break;
1793
ef79bbde 1794 case CdlTest:
9f8b032d 1795 cdr.Ctrl |= 0x80;
ef79bbde 1796 cdr.Stat = NoIntr;
9f8b032d 1797 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1798 break;
1799
1800 case CdlID:
9f8b032d 1801 cdr.Ctrl |= 0x80;
ef79bbde 1802 cdr.Stat = NoIntr;
9f8b032d 1803 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1804 break;
1805
1806 case CdlReadS:
9f8b032d 1807 cdr.Irq = 0;
1808 StopReading();
1809 cdr.Ctrl |= 0x80;
1810 cdr.Stat = NoIntr;
1811 StartReading(2, 0x800);
1812 break;
ef79bbde
P		 1813
1814 case CdlReadToc:
9f8b032d 1815 cdr.Ctrl |= 0x80;
ef79bbde 1816 cdr.Stat = NoIntr;
9f8b032d 1817 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1818 break;
1819
1820 default:
2daaaae3 1821 cdr.ParamP = 0;
1822 cdr.ParamC = 0;
ef79bbde 1823#ifdef CDR_LOG
9f8b032d 1824 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1825#endif
9f8b032d 1826 return;
1827 }
ef79bbde
P		 1828 if (cdr.Stat != NoIntr) {
1829 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1830 }
1831}
1832
1833unsigned char cdrRead2(void) {
1834 unsigned char ret;
1835
1836 if (cdr.Readed == 0) {
1837 ret = 0;
1838 } else {
8e1040b6 1839 ret = *pTransfer++;
ef79bbde
P		 1840 }
1841
1842#ifdef CDR_LOG
1843 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1844#endif
1845 return ret;
1846}
1847
1848void cdrWrite2(unsigned char rt) {
1849#ifdef CDR_LOG
1850 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1851#endif
9f8b032d 1852
1853 // Tekken: CDXA fade-out
1854 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1855 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1856 }
1857 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1858 cdr.AttenuatorRight[1] = rt;
9f8b032d 1859 }
1860
1861
1862 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1863 switch (rt) {
1864 case 0x07:
9f8b032d 1865 cdr.ParamP = 0;
ef79bbde
P		 1866 cdr.ParamC = 0;
1867 cdr.ResultReady = 1; //0;
1868 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1869 break;
1870
1871 default:
1872 cdr.Reg2 = rt;
1873 break;
1874 }
50b13be9 1875 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1876 cdr.Param[cdr.ParamP++] = rt;
1877 cdr.ParamC++;
1878 }
1879}
1880
1881unsigned char cdrRead3(void) {
1882 if (cdr.Stat) {
1883 if (cdr.Ctrl & 0x1)
1884 psxHu8(0x1803) = cdr.Stat | 0xE0;
1885 else
1886 psxHu8(0x1803) = 0xff;
1887 } else {
1888 psxHu8(0x1803) = 0;
1889 }
1890#ifdef CDR_LOG
1891 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1892#endif
1893 return psxHu8(0x1803);
1894}
1895
1896void cdrWrite3(unsigned char rt) {
1897#ifdef CDR_LOG
1898 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1899#endif
056d6759 1900
9f8b032d 1901 // Tekken: CDXA fade-out
1902 if( (cdr.Ctrl & 3) == 2 ) {
1903 cdr.AttenuatorLeft[1] = rt;
1904 }
1905 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1906#ifdef CDR_LOG
1907 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1908 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1909 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1910#endif
1911 }
056d6759 1912
9f8b032d 1913
1914 // GameShark CDX CD Player: Irq timing mania
1915 if( rt == 0 &&
1916 cdr.Irq != 0 && cdr.Irq != 0xff &&
1917 cdr.ResultReady == 0 ) {
1918
1919 // GS CDX: ~0x28 cycle timing - way too precise
1920 if( cdr.Irq == CdlGetlocP ) {
1921 cdrInterrupt();
1922
1923 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1924 }
1925 }
1926
1927
50b13be9 1928 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1929 cdr.Stat = 0;
1930
1931 if (cdr.Irq == 0xff) {
1932 cdr.Irq = 0;
1933 return;
1934 }
9f8b032d 1935
aa40e1b8 1936 // XA streaming - incorrect timing because of this reschedule
1937 // - Final Fantasy Tactics
1938 // - various other games
1939
9f8b032d 1940 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1941 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1942 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1943 if (Config.CdrReschedule != 2)
1944 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1945 //printf("-- resched %d -> %d\n", left, time);
1946 CDREAD_INT(time);
4955e9d0 1947 }
9f8b032d 1948 }
ef79bbde
P		 1949
1950 return;
1951 }
9f8b032d 1952
50b13be9 1953 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde 1954 cdr.Readed = 1;
8e1040b6 1955 pTransfer = cdr.Transfer;
ef79bbde
P		 1956
1957 switch (cdr.Mode & 0x30) {
9f8b032d 1958 case MODE_SIZE_2328:
ef79bbde 1959 case 0x00:
8e1040b6 1960 pTransfer += 12;
ef79bbde 1961 break;
9f8b032d 1962
1963 case MODE_SIZE_2340:
8e1040b6 1964 pTransfer += 0;
9f8b032d 1965 break;
1966
ef79bbde
P		 1967 default:
1968 break;
1969 }
1970 }
1971}
1972
1973void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1974 u32 cdsize;
c7071c43 1975 int size;
ef79bbde
P		 1976 u8 *ptr;
1977
1978#ifdef CDR_LOG
1979 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1980#endif
1981
1982 switch (chcr) {
1983 case 0x11000000:
1984 case 0x11400100:
1985 if (cdr.Readed == 0) {
1986#ifdef CDR_LOG
1987 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1988#endif
1989 break;
1990 }
1991
1992 cdsize = (bcr & 0xffff) * 4;
1993
9f8b032d 1994 // Ape Escape: bcr = 0001 / 0000
1995 // - fix boot
1996 if( cdsize == 0 )
1997 {
1998 switch (cdr.Mode & 0x30) {
1999 case 0x00: cdsize = 2048; break;
2000 case MODE_SIZE_2328: cdsize = 2328; break;
2001 case MODE_SIZE_2340: cdsize = 2340; break;
2002 }
2003 }
2004
2005
ef79bbde
P		 2006 ptr = (u8 *)PSXM(madr);
2007 if (ptr == NULL) {
2008#ifdef CPU_LOG
2009 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2010#endif
2011 break;
2012 }
9f8b032d 2013
2014 /*
2015 GS CDX: Enhancement CD crash
2016 - Setloc 0:0:0
2017 - CdlPlay
2018 - Spams DMA3 and gets buffer overrun
2019 */
8e1040b6 2020 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
c7071c43 2021 if (size > cdsize)
2022 size = cdsize;
2023 if (size > 0)
9f8b032d 2024 {
8e1040b6 2025 memcpy(ptr, pTransfer, size);
9f8b032d 2026 }
2027
ef79bbde 2028 psxCpu->Clear(madr, cdsize / 4);
8e1040b6 2029 pTransfer += cdsize;
9f8b032d 2030
2031
2032 // burst vs normal
2033 if( chcr == 0x11400100 ) {
2034 CDRDMA_INT( (cdsize/4) / 4 );
2035 }
2036 else if( chcr == 0x11000000 ) {
2037 CDRDMA_INT( (cdsize/4) * 1 );
2038 }
2039 return;
2040
ef79bbde
P		 2041 default:
2042#ifdef CDR_LOG
2043 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2044#endif
2045 break;
2046 }
2047
2048 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2049 DMA_INTERRUPT(3);
2050}
2051
9f8b032d 2052void cdrDmaInterrupt()
2053{
ad418c19 2054 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2055 {
2056 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2057 DMA_INTERRUPT(3);
2058 }
9f8b032d 2059}
2060
ef79bbde
P		 2061void cdrReset() {
2062 memset(&cdr, 0, sizeof(cdr));
2063 cdr.CurTrack = 1;
2064 cdr.File = 1;
2065 cdr.Channel = 1;
8e1040b6 2066 pTransfer = cdr.Transfer;
056d6759 2067
2068 // BIOS player - default values
2069 cdr.AttenuatorLeft[0] = 0x80;
2070 cdr.AttenuatorLeft[1] = 0x00;
2071 cdr.AttenuatorRight[0] = 0x80;
2072 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2073}
2074
496d88d4 2075int cdrFreeze(void *f, int Mode) {
8e1040b6 2076 u32 tmp;
ef79bbde 2077
9f8b032d 2078 if( Mode == 0 ) {
2079 StopCdda();
2080 }
2081
2082 gzfreeze(&cdr, sizeof(cdr));
2083
ef79bbde 2084 if (Mode == 1)
8e1040b6 2085 tmp = pTransfer - cdr.Transfer;
ef79bbde
P		 2086
2087 gzfreeze(&tmp, sizeof(tmp));
2088
42f3c512 2089 if (Mode == 0) {
8e1040b6 2090 pTransfer = cdr.Transfer + tmp;
ef79bbde 2091
42f3c512 2092 if (cdr.Play && !Config.Cdda)
2093 CDR_play(cdr.SetSectorPlay);
2094 }
2095
ef79bbde
P		 2096 return 0;
2097}
9f8b032d 2098
2099void LidInterrupt() {
2100 cdr.LidCheck = 0x20; // start checker
2101
2102 CDRLID_INT( cdReadTime * 3 );
2103
2104 // generate interrupt if none active - open or close
2105 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2106 cdr.Ctrl |= 0x80;
2107 cdr.Stat = NoIntr;
2108 AddIrqQueue(CdlNop, 0x800);
2109 }
2110}
ARM optimized PCSX fork