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cdrom: tune and log stat hack
[pcsx_rearmed.git] / libpcsxcore / cdrom.c
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ef79bbde
P		 1/***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
19
20/*
21* Handles all CD-ROM registers and functions.
22*/
23
24#include "cdrom.h"
25#include "ppf.h"
9f8b032d 26#include "psxdma.h"
ef79bbde
P		 27
28cdrStruct cdr;
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) {
e7e33ef2 653 if (cdr.Stat) {
654 SysPrintf("cdrom: seek stat hack\n");
655 CDRMISC_INT(0x1000);
656 return;
657 }
39df67df 658 SetResultSize(1);
659 cdr.StatP |= STATUS_ROTATING;
660 cdr.StatP &= ~STATUS_SEEK;
661 cdr.Result[0] = cdr.StatP;
662 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
663 cdr.Stat = Complete;
f9ccca15 664 if (cdr.Reg2 != 0x18)
39df67df 665 psxHu32ref(0x1070) |= SWAP32(0x4);
666 }
667
668 cdr.Seeked = SEEK_PENDING;
669 CDRMISC_INT(cdReadTime * 20); // ???
670 return;
671 }
672 else if (cdr.Seeked == SEEK_PENDING) {
673 cdr.Seeked = SEEK_DONE;
674 if (!cdr.Play && !cdr.Reading) {
675 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
676 Find_CurTrack();
677 ReadTrack(cdr.SetSector);
678 }
679 }
680
681 if (!cdr.Play) return;
7f457614 682
683#ifdef CDR_LOG
684 CDR_LOG( "CDDA - %d:%d:%d\n",
685 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
686#endif
39df67df 687 CDRMISC_INT( cdReadTime );
7f457614 688
689 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
690 cdrPlayInterrupt_Autopause();
691
692 cdr.SetSectorPlay[2]++;
693 if (cdr.SetSectorPlay[2] == 75) {
694 cdr.SetSectorPlay[2] = 0;
695 cdr.SetSectorPlay[1]++;
696 if (cdr.SetSectorPlay[1] == 60) {
697 cdr.SetSectorPlay[1] = 0;
698 cdr.SetSectorPlay[0]++;
699 }
700 }
701
702 //Check_Shell(0);
703}
704
ef79bbde
P		 705void cdrInterrupt() {
706 int i;
707 unsigned char Irq = cdr.Irq;
7f457614 708 struct SubQ *subq;
ef79bbde 709
9f8b032d 710 // Reschedule IRQ
ef79bbde 711 if (cdr.Stat) {
e7e33ef2 712 SysPrintf("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
713 CDR_INT(0x1000);
ef79bbde
P		 714 return;
715 }
716
717 cdr.Irq = 0xff;
718 cdr.Ctrl &= ~0x80;
719
720 switch (Irq) {
721 case CdlSync:
722 SetResultSize(1);
9f8b032d 723 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 724 cdr.Result[0] = cdr.StatP;
725 cdr.Stat = Acknowledge;
726 break;
727
728 case CdlNop:
729 SetResultSize(1);
730 cdr.Result[0] = cdr.StatP;
731 cdr.Stat = Acknowledge;
9f8b032d 732
733 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 734 break;
735
736 case CdlSetloc:
737 cdr.CmdProcess = 0;
738 SetResultSize(1);
9f8b032d 739 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 740 cdr.Result[0] = cdr.StatP;
741 cdr.Stat = Acknowledge;
742 break;
743
744 case CdlPlay:
9f8b032d 745 fake_subq_change = 0;
746
39df67df 747 if (cdr.Seeked == SEEK_PENDING) {
748 // XXX: wrong, should seek instead..
9f8b032d 749 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
39df67df 750 cdr.Seeked = SEEK_DONE;
9f8b032d 751 }
752
753 /*
754 Rayman: detect track changes
755 - fixes logo freeze
756
757 Twisted Metal 2: skip PREGAP + starting accurate SubQ
758 - plays tracks without retry play
759
760 Wild 9: skip PREGAP + starting accurate SubQ
761 - plays tracks without retry play
762 */
696c9530 763 /* unneeded with correct cdriso?
9f8b032d 764 Set_Track();
696c9530 765 */
9f8b032d 766 Find_CurTrack();
767 ReadTrack( cdr.SetSectorPlay );
768
9f8b032d 769 // GameShark CD Player: Calls 2x + Play 2x
770 if( cdr.FastBackward || cdr.FastForward ) {
771 if( cdr.FastForward ) cdr.FastForward--;
772 if( cdr.FastBackward ) cdr.FastBackward--;
773
774 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
775 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
776 cdr.SetSectorPlay[0] = stat.Time[0];
777 cdr.SetSectorPlay[1] = stat.Time[1];
778 cdr.SetSectorPlay[2] = stat.Time[2];
779 }
780 }
781 }
782
783
784 if (!Config.Cdda) {
785 // BIOS CD Player
786 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
787
788 // GameShark CD Player: Resume play
789 if( cdr.ParamC == 0 ) {
790#ifdef CDR_LOG___0
791 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
792 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
793#endif
794
795 //CDR_play( cdr.SetSectorPlay );
796 }
797 else
798 {
799 // BIOS CD Player: Resume play
800 if( cdr.Param[0] == 0 ) {
801#ifdef CDR_LOG___0
802 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
803 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
804#endif
805
806 //CDR_play( cdr.SetSectorPlay );
807 }
808 else {
809#ifdef CDR_LOG___0
810 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
811 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
812#endif
813
814 // BIOS CD Player: Allow track replaying
815 StopCdda();
816
817
818 cdr.CurTrack = btoi( cdr.Param[0] );
819
820 if (CDR_getTN(cdr.ResultTN) != -1) {
821 // check last track
822 if (cdr.CurTrack > cdr.ResultTN[1])
823 cdr.CurTrack = cdr.ResultTN[1];
824
825 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
826 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
827 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
828 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
829
830 // reset data
a02ee86f 831 //Set_Track();
9f8b032d 832 Find_CurTrack();
833 ReadTrack( cdr.SetSectorPlay );
834
835 //CDR_play(cdr.SetSectorPlay);
836 }
837 }
838 }
839 }
840 }
841
842
843 // Vib Ribbon: gameplay checks flag
844 cdr.StatP &= ~STATUS_SEEK;
845
846
ef79bbde
P		 847 cdr.CmdProcess = 0;
848 SetResultSize(1);
9f8b032d 849 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 850 cdr.Result[0] = cdr.StatP;
851 cdr.Stat = Acknowledge;
9f8b032d 852
853 cdr.StatP |= STATUS_PLAY;
854
855
856 // BIOS player - set flag again
857 cdr.Play = TRUE;
858
39df67df 859 CDRMISC_INT( cdReadTime );
ef79bbde
P		 860 break;
861
9f8b032d 862 case CdlForward:
ef79bbde
P		 863 cdr.CmdProcess = 0;
864 SetResultSize(1);
9f8b032d 865 cdr.StatP |= STATUS_ROTATING;
866 cdr.Result[0] = cdr.StatP;
867 cdr.Stat = Complete;
868
869
870 // GameShark CD Player: Calls 2x + Play 2x
871 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
872 else cdr.FastForward++;
873
874 cdr.FastBackward = 0;
ef79bbde
P		 875 break;
876
9f8b032d 877 case CdlBackward:
ef79bbde
P		 878 cdr.CmdProcess = 0;
879 SetResultSize(1);
9f8b032d 880 cdr.StatP |= STATUS_ROTATING;
881 cdr.Result[0] = cdr.StatP;
882 cdr.Stat = Complete;
883
884
885 // GameShark CD Player: Calls 2x + Play 2x
886 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
887 else cdr.FastBackward++;
888
889 cdr.FastForward = 0;
ef79bbde
P		 890 break;
891
9f8b032d 892 case CdlStandby:
ef79bbde
P		 893 cdr.CmdProcess = 0;
894 SetResultSize(1);
9f8b032d 895 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 896 cdr.Result[0] = cdr.StatP;
897 cdr.Stat = Complete;
898 break;
899
900 case CdlStop:
901 cdr.CmdProcess = 0;
902 SetResultSize(1);
9f8b032d 903 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 904 cdr.Result[0] = cdr.StatP;
905 cdr.Stat = Complete;
906// cdr.Stat = Acknowledge;
907
9f8b032d 908 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 909 break;
910
911 case CdlPause:
912 SetResultSize(1);
913 cdr.Result[0] = cdr.StatP;
9f8b032d 914 cdr.Stat = Acknowledge;
915
12228917 916 /*
917 Gundam Battle Assault 2: much slower (*)
918 - Fixes boot, gameplay
919
920 Hokuto no Ken 2: slower
921 - Fixes intro + subtitles
922
923 InuYasha - Feudal Fairy Tale: slower
924 - Fixes battles
925 */
926 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 927 cdr.Ctrl |= 0x80;
928 break;
929
930 case CdlPause + 0x20:
931 SetResultSize(1);
9f8b032d 932 cdr.StatP &= ~STATUS_READ;
933 cdr.StatP |= STATUS_ROTATING;
ef79bbde 934 cdr.Result[0] = cdr.StatP;
9f8b032d 935 cdr.Stat = Complete;
ef79bbde
P		 936 break;
937
9f8b032d 938 case CdlInit:
ef79bbde 939 SetResultSize(1);
9f8b032d 940 cdr.StatP = STATUS_ROTATING;
ef79bbde 941 cdr.Result[0] = cdr.StatP;
9f8b032d 942 cdr.Stat = Acknowledge;
ef79bbde 943// if (!cdr.Init) {
9f8b032d 944 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 945// }
946 break;
947
948 case CdlInit + 0x20:
949 SetResultSize(1);
950 cdr.Result[0] = cdr.StatP;
9f8b032d 951 cdr.Stat = Complete;
ef79bbde
P		 952 cdr.Init = 1;
953 break;
954
9f8b032d 955 case CdlMute:
ef79bbde 956 SetResultSize(1);
9f8b032d 957 cdr.StatP |= STATUS_ROTATING;
958 cdr.Result[0] = cdr.StatP;
959 cdr.Stat = Acknowledge;
ef79bbde
P		 960 break;
961
9f8b032d 962 case CdlDemute:
ef79bbde 963 SetResultSize(1);
9f8b032d 964 cdr.StatP |= STATUS_ROTATING;
965 cdr.Result[0] = cdr.StatP;
966 cdr.Stat = Acknowledge;
ef79bbde
P		 967 break;
968
9f8b032d 969 case CdlSetfilter:
ef79bbde 970 SetResultSize(1);
9f8b032d 971 cdr.StatP |= STATUS_ROTATING;
972 cdr.Result[0] = cdr.StatP;
973 cdr.Stat = Acknowledge;
974 break;
ef79bbde
P		 975
976 case CdlSetmode:
977 SetResultSize(1);
9f8b032d 978 cdr.StatP |= STATUS_ROTATING;
979 cdr.Result[0] = cdr.StatP;
980 cdr.Stat = Acknowledge;
981 break;
ef79bbde 982
9f8b032d 983 case CdlGetmode:
ef79bbde 984 SetResultSize(6);
9f8b032d 985 cdr.StatP |= STATUS_ROTATING;
986 cdr.Result[0] = cdr.StatP;
987 cdr.Result[1] = cdr.Mode;
988 cdr.Result[2] = cdr.File;
989 cdr.Result[3] = cdr.Channel;
990 cdr.Result[4] = 0;
991 cdr.Result[5] = 0;
992 cdr.Stat = Acknowledge;
993 break;
ef79bbde 994
9f8b032d 995 case CdlGetlocL:
ef79bbde 996 SetResultSize(8);
9f8b032d 997 for (i = 0; i < 8; i++)
ef79bbde 998 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 999 cdr.Stat = Acknowledge;
1000 break;
ef79bbde
P		 1001
1002 case CdlGetlocP:
9f8b032d 1003 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1004 SetResultSize(17);
1005 memset( cdr.Result, 0, 16 );
1006
ef79bbde
P		 1007 subq = (struct SubQ *)CDR_getBufferSub();
1008
1009 if (subq != NULL) {
7851087d 1010 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1011 // update subq
1012 ReadTrack( cdr.SetSectorPlay );
341eb2c9 1013
ef79bbde
P		 1014 cdr.Result[0] = subq->TrackNumber;
1015 cdr.Result[1] = subq->IndexNumber;
1016 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
1017 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
1018
9f8b032d 1019
1020 // subQ integrity check - data only (skip audio)
1021 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 1022 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
1023 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
1024 }
9f8b032d 1025 }
ef79bbde 1026 } else {
7f457614 1027 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1028 Create_Fake_Subq();
ef79bbde 1029
ef79bbde 1030
9f8b032d 1031 // track # / index #
1032 cdr.Result[0] = itob(cdr.CurTrack);
1033 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 1034
9f8b032d 1035 // local
1036 cdr.Result[2] = itob( fake_subq_local[0] );
1037 cdr.Result[3] = itob( fake_subq_local[1] );
1038 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 1039
9f8b032d 1040 // absolute
1041 cdr.Result[5] = itob( fake_subq_real[0] );
1042 cdr.Result[6] = itob( fake_subq_real[1] );
1043 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 1044 }
1045
9f8b032d 1046 // redump.org - wipe time
ae4e7dc9 1047 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 1048 memset( cdr.Result+2, 0, 6 );
1049 }
9f8b032d 1050
ef79bbde
P		 1051 cdr.Stat = Acknowledge;
1052 break;
1053
9f8b032d 1054 case CdlGetTN:
1055 // 5-Star Racing: don't stop CDDA
1056 //
1057 // Vib Ribbon: CD swap
1058 StopReading();
1059
ef79bbde
P		 1060 cdr.CmdProcess = 0;
1061 SetResultSize(3);
9f8b032d 1062 cdr.StatP |= STATUS_ROTATING;
1063 cdr.Result[0] = cdr.StatP;
1064 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1065 cdr.Stat = DiskError;
9f8b032d 1066 cdr.Result[0] |= STATUS_ERROR;
1067 } else {
1068 cdr.Stat = Acknowledge;
1069 cdr.Result[1] = itob(cdr.ResultTN[0]);
1070 cdr.Result[2] = itob(cdr.ResultTN[1]);
1071 }
1072 break;
ef79bbde 1073
9f8b032d 1074 case CdlGetTD:
ef79bbde
P		 1075 cdr.CmdProcess = 0;
1076 cdr.Track = btoi(cdr.Param[0]);
1077 SetResultSize(4);
9f8b032d 1078 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1079 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1080 cdr.Stat = DiskError;
9f8b032d 1081 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1082 } else {
1083 cdr.Stat = Acknowledge;
1084 cdr.Result[0] = cdr.StatP;
1085 cdr.Result[1] = itob(cdr.ResultTD[2]);
1086 cdr.Result[2] = itob(cdr.ResultTD[1]);
1087 cdr.Result[3] = itob(cdr.ResultTD[0]);
1088 }
1089 break;
1090
9f8b032d 1091 case CdlSeekL:
39df67df 1092 case CdlSeekP:
ef79bbde 1093 SetResultSize(1);
9f8b032d 1094 cdr.StatP |= STATUS_ROTATING;
1095 cdr.Result[0] = cdr.StatP;
1096 cdr.StatP |= STATUS_SEEK;
1097 cdr.Stat = Acknowledge;
1098
1099 /*
1100 Crusaders of Might and Magic = 0.5x-4x
1101 - fix cutscene speech start
1102
1103 Eggs of Steel = 2x-?
1104 - fix new game
1105
1106 Medievil = ?-4x
1107 - fix cutscene speech
1108
1109 Rockman X5 = 0.5-4x
1110 - fix capcom logo
1111 */
39df67df 1112 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1113 cdr.Seeked = SEEK_DOING_CMD;
ef79bbde
P		 1114 break;
1115
1116 case CdlTest:
9f8b032d 1117 cdr.Stat = Acknowledge;
1118 switch (cdr.Param[0]) {
1119 case 0x20: // System Controller ROM Version
ef79bbde
P		 1120 SetResultSize(4);
1121 memcpy(cdr.Result, Test20, 4);
1122 break;
1123 case 0x22:
1124 SetResultSize(8);
1125 memcpy(cdr.Result, Test22, 4);
1126 break;
1127 case 0x23: case 0x24:
1128 SetResultSize(8);
1129 memcpy(cdr.Result, Test23, 4);
1130 break;
9f8b032d 1131 }
ef79bbde
P		 1132 break;
1133
9f8b032d 1134 case CdlID:
ef79bbde 1135 SetResultSize(1);
9f8b032d 1136 cdr.StatP |= STATUS_ROTATING;
1137 cdr.Result[0] = cdr.StatP;
1138 cdr.Stat = Acknowledge;
1139 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1140 break;
1141
1142 case CdlID + 0x20:
1143 SetResultSize(8);
9f8b032d 1144
1145 if (CDR_getStatus(&stat) == -1) {
1146 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1147 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1148 }
1149 else {
1150 if (stat.Type == 2) {
1151 // Music CD
1152 cdr.Result[0] = 0x08;
1153 cdr.Result[1] = 0x10;
1154
1155 cdr.Result[1] |= 0x80;
1156 }
1157 else {
1158 // Data CD
1159 if (CdromId[0] == '\0') {
1160 cdr.Result[0] = 0x00;
1161 cdr.Result[1] = 0x80;
1162 }
1163 else {
1164 cdr.Result[0] = 0x08;
1165 cdr.Result[1] = 0x00;
1166 }
1167 }
1168 }
1169
ef79bbde
P		 1170 cdr.Result[2] = 0x00;
1171 cdr.Result[3] = 0x00;
1172 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1173 cdr.Stat = Complete;
1174 break;
1175
1176 case CdlReset:
1177 SetResultSize(1);
9f8b032d 1178 cdr.StatP = STATUS_ROTATING;
ef79bbde 1179 cdr.Result[0] = cdr.StatP;
9f8b032d 1180 cdr.Stat = Acknowledge;
ef79bbde
P		 1181 break;
1182
9f8b032d 1183 case CdlReadT:
1184 SetResultSize(1);
1185 cdr.StatP |= STATUS_ROTATING;
1186 cdr.Result[0] = cdr.StatP;
1187 cdr.Stat = Acknowledge;
1188 AddIrqQueue(CdlReadT + 0x20, 0x800);
1189 break;
1190
1191 case CdlReadT + 0x20:
1192 SetResultSize(1);
1193 cdr.StatP |= STATUS_ROTATING;
1194 cdr.Result[0] = cdr.StatP;
1195 cdr.Stat = Complete;
1196 break;
1197
1198 case CdlReadToc:
ef79bbde 1199 SetResultSize(1);
9f8b032d 1200 cdr.StatP |= STATUS_ROTATING;
1201 cdr.Result[0] = cdr.StatP;
1202 cdr.Stat = Acknowledge;
1203 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1204 break;
1205
9f8b032d 1206 case CdlReadToc + 0x20:
ef79bbde 1207 SetResultSize(1);
9f8b032d 1208 cdr.StatP |= STATUS_ROTATING;
1209 cdr.Result[0] = cdr.StatP;
1210 cdr.Stat = Complete;
ef79bbde
P		 1211 break;
1212
1213 case AUTOPAUSE:
1214 cdr.OCUP = 0;
1215/* SetResultSize(1);
1216 StopCdda();
1217 StopReading();
1218 cdr.OCUP = 0;
9f8b032d 1219 cdr.StatP&=~0x20;
ef79bbde 1220 cdr.StatP|= 0x2;
9f8b032d 1221 cdr.Result[0] = cdr.StatP;
1222 cdr.Stat = DataEnd;
ef79bbde
P		 1223*/ AddIrqQueue(CdlPause, 0x800);
1224 break;
1225
1226 case READ_ACK:
1227 if (!cdr.Reading) return;
1228
9f8b032d 1229
1230 // Fighting Force 2 - update subq time immediately
1231 // - fixes new game
1232 ReadTrack( cdr.SetSector );
1233
1234
1235 // Crusaders of Might and Magic - update getlocl now
1236 // - fixes cutscene speech
1237 {
1238 u8 *buf = CDR_getBuffer();
a48ae3a7 1239 if (buf != NULL)
1240 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1241 }
39df67df 1242
9f8b032d 1243 /*
1244 Duke Nukem: Land of the Babes - seek then delay read for one frame
1245 - fixes cutscenes
914722b2 1246 C-12 - Final Resistance - doesn't like seek
9f8b032d 1247 */
1248
39df67df 1249 if (cdr.Seeked != SEEK_DONE) {
9f8b032d 1250 cdr.StatP |= STATUS_SEEK;
1251 cdr.StatP &= ~STATUS_READ;
1252
1253 // Crusaders of Might and Magic - use short time
1254 // - fix cutscene speech (startup)
1255
1256 // ??? - use more accurate seek time later
1257 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1258 } else {
1259 cdr.StatP |= STATUS_READ;
1260 cdr.StatP &= ~STATUS_SEEK;
1261
1262 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1263 }
ef79bbde 1264
ef79bbde 1265 SetResultSize(1);
9f8b032d 1266 cdr.StatP |= STATUS_ROTATING;
1267 cdr.Result[0] = cdr.StatP;
1268 cdr.Stat = Acknowledge;
ef79bbde
P		 1269 break;
1270
ef79bbde
P		 1271 case 0xff:
1272 return;
1273
1274 default:
1275 cdr.Stat = Complete;
1276 break;
1277 }
1278
9f8b032d 1279 Check_Shell( Irq );
1280
2daaaae3 1281 cdr.ParamP = 0;
1282 cdr.ParamC = 0;
1283
ef79bbde
P		 1284 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1285 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1286 }
1287
1288#ifdef CDR_LOG
39df67df 1289 printf("cdrInterrupt() Log: CDR Interrupt IRQ %x: ", Irq);
1290 for (i = 0; i < cdr.ResultC; i++)
1291 printf("%02x ", cdr.Result[i]);
1292 printf("\n");
ef79bbde
P		 1293#endif
1294}
1295
1296void cdrReadInterrupt() {
1297 u8 *buf;
1298
1299 if (!cdr.Reading)
1300 return;
1301
9f8b032d 1302 if (cdr.Irq || cdr.Stat) {
e7e33ef2 1303 SysPrintf("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1304 CDREAD_INT(0x1000);
ef79bbde
P		 1305 return;
1306 }
1307
1308#ifdef CDR_LOG
1309 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1310#endif
1311
9f8b032d 1312 cdr.OCUP = 1;
ef79bbde 1313 SetResultSize(1);
9f8b032d 1314 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1315 cdr.StatP &= ~STATUS_SEEK;
1316 cdr.Result[0] = cdr.StatP;
39df67df 1317 cdr.Seeked = SEEK_DONE;
ef79bbde 1318
9f8b032d 1319 ReadTrack( cdr.SetSector );
ef79bbde
P		 1320
1321 buf = CDR_getBuffer();
1322 if (buf == NULL)
1323 cdr.RErr = -1;
1324
1325 if (cdr.RErr == -1) {
1326#ifdef CDR_LOG
1327 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1328#endif
1329 memset(cdr.Transfer, 0, DATA_SIZE);
1330 cdr.Stat = DiskError;
9f8b032d 1331 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1332 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1333 return;
1334 }
1335
1336 memcpy(cdr.Transfer, buf, DATA_SIZE);
1337 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1338
ef79bbde
P		 1339
1340#ifdef CDR_LOG
1341 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1342#endif
1343
9f8b032d 1344 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1345 // Firemen 2: Multi-XA files - briefings, cutscenes
1346 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1347 cdr.File = cdr.Transfer[4 + 0];
1348 cdr.Channel = cdr.Transfer[4 + 1];
1349 }
1350
ef79bbde 1351 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1352 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1353 (cdr.Transfer[4 + 0] == cdr.File)) {
1354 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1355
1356 if (!ret) {
056d6759 1357 // only handle attenuator basic channel switch for now
1358 if (cdr.Xa.stereo) {
1359 int i;
1360 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1361 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1362 {
1363 for (i = 0; i < cdr.Xa.nsamples; i++)
1364 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1365 }
1366 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1367 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1368 {
1369 for (i = 0; i < cdr.Xa.nsamples; i++)
1370 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1371 }
1372 }
1373
ef79bbde
P		 1374 SPU_playADPCMchannel(&cdr.Xa);
1375 cdr.FirstSector = 0;
9f8b032d 1376
2f246254 1377#if 0
9f8b032d 1378 // Crash Team Racing: music, speech
2f246254 1379 // - done using cdda decoded buffer (spu irq)
1380 // - don't do here
9f8b032d 1381
1382 // signal ADPCM data ready
1383 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1384#endif
ef79bbde
P		 1385 }
1386 else cdr.FirstSector = -1;
1387 }
1388 }
1389
1390 cdr.SetSector[2]++;
9f8b032d 1391 if (cdr.SetSector[2] == 75) {
1392 cdr.SetSector[2] = 0;
1393 cdr.SetSector[1]++;
1394 if (cdr.SetSector[1] == 60) {
1395 cdr.SetSector[1] = 0;
1396 cdr.SetSector[0]++;
1397 }
1398 }
1399
1400 cdr.Readed = 0;
1401
1402 // G-Police: Don't autopause ADPCM even if mode set (music)
1403 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1404 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1405#ifdef CDR_LOG
1406 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1407#endif
9f8b032d 1408// AddIrqQueue(AUTOPAUSE, 0x2000);
1409 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1410 }
1411 else {
9f8b032d 1412 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1413 }
1414
1415 /*
1416 Croc 2: $40 - only FORM1 (*)
1417 Judge Dredd: $C8 - only FORM1 (*)
1418 Sim Theme Park - no adpcm at all (zero)
1419 */
1420
1421 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1422 cdr.Stat = DataReady;
1423 } else {
1424 // Breath of Fire 3 - fix inn sleeping
1425 // Rockman X5 - no music restart problem
1426 cdr.Stat = NoIntr;
ef79bbde
P		 1427 }
1428 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1429
1430 Check_Shell(0);
ef79bbde
P		 1431}
1432
1433/*
1434cdrRead0:
1435 bit 0 - 0 REG1 command send / 1 REG1 data read
1436 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1437 bit 2 - unknown
1438 bit 3 - unknown
1439 bit 4 - unknown
1440 bit 5 - 1 result ready
1441 bit 6 - 1 dma ready
1442 bit 7 - 1 command being processed
1443*/
1444
1445unsigned char cdrRead0(void) {
1446 if (cdr.ResultReady)
1447 cdr.Ctrl |= 0x20;
1448 else
1449 cdr.Ctrl &= ~0x20;
1450
1451 if (cdr.OCUP)
1452 cdr.Ctrl |= 0x40;
1453// else
1454// cdr.Ctrl &= ~0x40;
1455
1456 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1457 cdr.Ctrl |= 0x18;
1458
1459#ifdef CDR_LOG
1460 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1461#endif
1462
1463 return psxHu8(0x1800) = cdr.Ctrl;
1464}
1465
1466/*
1467cdrWrite0:
1468 0 - to send a command / 1 - to get the result
1469*/
1470
1471void cdrWrite0(unsigned char rt) {
1472#ifdef CDR_LOG
1473 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1474#endif
50b13be9 1475 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1476}
1477
1478unsigned char cdrRead1(void) {
1479 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1480 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1481 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1482 cdr.ResultP++;
ef79bbde
P		 1483 if (cdr.ResultP == cdr.ResultC)
1484 cdr.ResultReady = 0;
1485 } else {
1486 psxHu8(0x1801) = 0;
1487 }
1488#ifdef CDR_LOG
1489 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1490#endif
1491 return psxHu8(0x1801);
1492}
1493
1494void cdrWrite1(unsigned char rt) {
305c8c93 1495 u8 set_loc[3];
ef79bbde
P		 1496 int i;
1497
1498#ifdef CDR_LOG
1499 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1500#endif
9f8b032d 1501
1502
1503 // Tekken: CDXA fade-out
1504 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1505 cdr.AttenuatorRight[0] = rt;
9f8b032d 1506 }
1507
1508
ef79bbde 1509// psxHu8(0x1801) = rt;
9f8b032d 1510 cdr.Cmd = rt;
ef79bbde
P		 1511 cdr.OCUP = 0;
1512
1513#ifdef CDRCMD_DEBUG
1514 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1515 if (cdr.ParamC) {
1516 SysPrintf(" Param[%d] = {", cdr.ParamC);
1517 for (i = 0; i < cdr.ParamC; i++)
1518 SysPrintf(" %x,", cdr.Param[i]);
1519 SysPrintf("}\n");
1520 } else {
1521 SysPrintf("\n");
1522 }
1523#endif
1524
50b13be9 1525 if (cdr.Ctrl & 0x3) return;
ef79bbde 1526
2daaaae3 1527 cdr.ResultReady = 0;
1528
9f8b032d 1529 switch (cdr.Cmd) {
ef79bbde 1530 case CdlSync:
9f8b032d 1531 cdr.Ctrl |= 0x80;
ef79bbde 1532 cdr.Stat = NoIntr;
9f8b032d 1533 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1534 break;
1535
1536 case CdlNop:
9f8b032d 1537 cdr.Ctrl |= 0x80;
ef79bbde 1538 cdr.Stat = NoIntr;
9f8b032d 1539
1540 // Twisted Metal 3 - fix music
1541 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1542 break;
1543
1544 case CdlSetloc:
9f8b032d 1545 StopReading();
9f8b032d 1546 for (i = 0; i < 3; i++)
914722b2 1547 set_loc[i] = btoi(cdr.Param[i]);
39df67df 1548
914722b2 1549 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1550 if (i > 16)
39df67df 1551 cdr.Seeked = SEEK_PENDING;
1552
914722b2 1553 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1554 cdr.SetSector[3] = 0;
9f8b032d 1555
9f8b032d 1556 cdr.Ctrl |= 0x80;
ef79bbde 1557 cdr.Stat = NoIntr;
9f8b032d 1558 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1559 break;
1560
1561 case CdlPlay:
9f8b032d 1562 // Vib Ribbon: try same track again
1563 StopCdda();
1564
1565 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1566 if (CDR_getTN(cdr.ResultTN) != -1) {
1567 if (cdr.CurTrack > cdr.ResultTN[1])
1568 cdr.CurTrack = cdr.ResultTN[1];
1569 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1570 int tmp = cdr.ResultTD[2];
1571 cdr.ResultTD[2] = cdr.ResultTD[0];
1572 cdr.ResultTD[0] = tmp;
1573 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1574 }
ef79bbde 1575 }
9f8b032d 1576 } else if (!Config.Cdda) {
1577 CDR_play(cdr.SetSector);
1578 }
1579
1580 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1581 // - fixes ribbon timing + music CD mode
1582 //TODO?
1583 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1584
1585
1586 cdr.Play = TRUE;
1587
1588 cdr.StatP |= STATUS_SEEK;
1589 cdr.StatP &= ~STATUS_ROTATING;
1590
1591 cdr.Ctrl |= 0x80;
1592 cdr.Stat = NoIntr;
1593 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1594 break;
1595
1596 case CdlForward:
9f8b032d 1597 //if (cdr.CurTrack < 0xaa)
1598 // cdr.CurTrack++;
1599 cdr.Ctrl |= 0x80;
ef79bbde 1600 cdr.Stat = NoIntr;
9f8b032d 1601 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1602 break;
1603
1604 case CdlBackward:
9f8b032d 1605 //if (cdr.CurTrack > 1)
1606 //cdr.CurTrack--;
1607 cdr.Ctrl |= 0x80;
1608 cdr.Stat = NoIntr;
1609 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1610 break;
1611
1612 case CdlReadN:
9f8b032d 1613 cdr.Irq = 0;
1614 StopReading();
1615 cdr.Ctrl|= 0x80;
1616 cdr.Stat = NoIntr;
1617 StartReading(1, 0x800);
1618 break;
ef79bbde
P		 1619
1620 case CdlStandby:
9f8b032d 1621 StopCdda();
1622 StopReading();
1623 cdr.Ctrl |= 0x80;
1624 cdr.Stat = NoIntr;
1625 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1626 break;
1627
1628 case CdlStop:
9f8b032d 1629 // GameShark CD Player: Reset CDDA to track start
1630 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1631 cdr.SetSectorPlay[0] = stat.Time[0];
1632 cdr.SetSectorPlay[1] = stat.Time[1];
1633 cdr.SetSectorPlay[2] = stat.Time[2];
1634
1635 Find_CurTrack();
1636
1637
1638 // grab time for current track
1639 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1640
1641 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1642 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1643 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1644 }
1645
1646 StopCdda();
1647 StopReading();
1648
1649 cdr.Ctrl |= 0x80;
1650 cdr.Stat = NoIntr;
1651 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1652 break;
1653
1654 case CdlPause:
9f8b032d 1655 /*
1656 GameShark CD Player: save time for resume
1657
aa1f7284 1658 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1659 */
ef79bbde 1660
9f8b032d 1661 StopCdda();
1662 StopReading();
1663 cdr.Ctrl |= 0x80;
1664 cdr.Stat = NoIntr;
1665
12228917 1666 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1667 break;
1668
1669 case CdlReset:
ef79bbde 1670 case CdlInit:
39df67df 1671 cdr.Seeked = SEEK_DONE;
9f8b032d 1672 StopCdda();
1673 StopReading();
1674 cdr.Ctrl |= 0x80;
1675 cdr.Stat = NoIntr;
1676 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1677 break;
1678
1679 case CdlMute:
1680 cdr.Muted = TRUE;
9f8b032d 1681 cdr.Ctrl |= 0x80;
ef79bbde 1682 cdr.Stat = NoIntr;
9f8b032d 1683 AddIrqQueue(cdr.Cmd, 0x800);
1684
1685 // Duke Nukem - Time to Kill
1686 // - do not directly set cd-xa volume
1687 //SPU_writeRegister( H_CDLeft, 0x0000 );
1688 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1689 break;
1690
1691 case CdlDemute:
1692 cdr.Muted = FALSE;
9f8b032d 1693 cdr.Ctrl |= 0x80;
ef79bbde 1694 cdr.Stat = NoIntr;
9f8b032d 1695 AddIrqQueue(cdr.Cmd, 0x800);
1696
1697 // Duke Nukem - Time to Kill
1698 // - do not directly set cd-xa volume
1699 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1700 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1701 break;
1702
1703 case CdlSetfilter:
1704 cdr.File = cdr.Param[0];
1705 cdr.Channel = cdr.Param[1];
9f8b032d 1706 cdr.Ctrl |= 0x80;
ef79bbde 1707 cdr.Stat = NoIntr;
9f8b032d 1708 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1709 break;
1710
1711 case CdlSetmode:
1712#ifdef CDR_LOG
9f8b032d 1713 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1714#endif
1715 cdr.Mode = cdr.Param[0];
9f8b032d 1716 cdr.Ctrl |= 0x80;
ef79bbde 1717 cdr.Stat = NoIntr;
9f8b032d 1718 AddIrqQueue(cdr.Cmd, 0x800);
1719
1720 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1721 // - fixes choppy movie sound
1722 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1723 StopCdda();
ef79bbde
P		 1724 break;
1725
1726 case CdlGetmode:
9f8b032d 1727 cdr.Ctrl |= 0x80;
ef79bbde 1728 cdr.Stat = NoIntr;
9f8b032d 1729 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1730 break;
1731
1732 case CdlGetlocL:
9f8b032d 1733 cdr.Ctrl |= 0x80;
1734 cdr.Stat = NoIntr;
1735
1736 // Crusaders of Might and Magic - cutscene speech
1737 AddIrqQueue(cdr.Cmd, 0x800);
1738 break;
ef79bbde
P		 1739
1740 case CdlGetlocP:
9f8b032d 1741 cdr.Ctrl |= 0x80;
1742 cdr.Stat = NoIntr;
1743
1744 // GameShark CDX / Lite Player: pretty narrow time window
1745 // - doesn't always work due to time inprecision
1746 //AddIrqQueue(cdr.Cmd, 0x28);
1747
1748 // Tomb Raider 2 - cdda
53951880 1749 //AddIrqQueue(cdr.Cmd, 0x40);
1750
1751 // rearmed: the above works in pcsxr-svn, but breaks here
1752 // (TOCA world touring cars), perhaps some other code is not merged yet
1753 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1754 break;
1755
1756 case CdlGetTN:
9f8b032d 1757 cdr.Ctrl |= 0x80;
1758 cdr.Stat = NoIntr;
1759 //AddIrqQueue(cdr.Cmd, 0x800);
1760
1761 // GameShark CDX CD Player: very long time
1762 AddIrqQueue(cdr.Cmd, 0x100000);
1763 break;
ef79bbde
P		 1764
1765 case CdlGetTD:
9f8b032d 1766 cdr.Ctrl |= 0x80;
ef79bbde 1767 cdr.Stat = NoIntr;
9f8b032d 1768 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1769 break;
1770
1771 case CdlSeekL:
1772// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1773 cdr.Ctrl |= 0x80;
1774 cdr.Stat = NoIntr;
1775 AddIrqQueue(cdr.Cmd, 0x800);
1776
1777 StopCdda();
1778 StopReading();
1779
1780 break;
ef79bbde
P		 1781
1782 case CdlSeekP:
1783// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1784 cdr.Ctrl |= 0x80;
ef79bbde 1785 cdr.Stat = NoIntr;
9f8b032d 1786
1787 // Tomb Raider 2 - reset cdda
1788 StopCdda();
1789 StopReading();
1790
1791 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1792 break;
1793
9f8b032d 1794 // Destruction Derby: read TOC? GetTD after this
1795 case CdlReadT:
1796 cdr.Ctrl |= 0x80;
1797 cdr.Stat = NoIntr;
1798 AddIrqQueue(cdr.Cmd, 0x800);
1799 break;
1800
ef79bbde 1801 case CdlTest:
9f8b032d 1802 cdr.Ctrl |= 0x80;
ef79bbde 1803 cdr.Stat = NoIntr;
9f8b032d 1804 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1805 break;
1806
1807 case CdlID:
9f8b032d 1808 cdr.Ctrl |= 0x80;
ef79bbde 1809 cdr.Stat = NoIntr;
9f8b032d 1810 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1811 break;
1812
1813 case CdlReadS:
9f8b032d 1814 cdr.Irq = 0;
1815 StopReading();
1816 cdr.Ctrl |= 0x80;
1817 cdr.Stat = NoIntr;
1818 StartReading(2, 0x800);
1819 break;
ef79bbde
P		 1820
1821 case CdlReadToc:
9f8b032d 1822 cdr.Ctrl |= 0x80;
ef79bbde 1823 cdr.Stat = NoIntr;
9f8b032d 1824 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1825 break;
1826
1827 default:
2daaaae3 1828 cdr.ParamP = 0;
1829 cdr.ParamC = 0;
ef79bbde 1830#ifdef CDR_LOG
9f8b032d 1831 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1832#endif
9f8b032d 1833 return;
1834 }
ef79bbde
P		 1835 if (cdr.Stat != NoIntr) {
1836 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1837 }
1838}
1839
1840unsigned char cdrRead2(void) {
1841 unsigned char ret;
1842
1843 if (cdr.Readed == 0) {
1844 ret = 0;
1845 } else {
8e1040b6 1846 ret = *pTransfer++;
ef79bbde
P		 1847 }
1848
1849#ifdef CDR_LOG
1850 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1851#endif
1852 return ret;
1853}
1854
1855void cdrWrite2(unsigned char rt) {
1856#ifdef CDR_LOG
1857 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1858#endif
9f8b032d 1859
1860 // Tekken: CDXA fade-out
1861 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1862 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1863 }
1864 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1865 cdr.AttenuatorRight[1] = rt;
9f8b032d 1866 }
1867
1868
1869 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1870 switch (rt) {
1871 case 0x07:
9f8b032d 1872 cdr.ParamP = 0;
ef79bbde
P		 1873 cdr.ParamC = 0;
1874 cdr.ResultReady = 1; //0;
1875 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1876 break;
1877
1878 default:
1879 cdr.Reg2 = rt;
1880 break;
1881 }
50b13be9 1882 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1883 cdr.Param[cdr.ParamP++] = rt;
1884 cdr.ParamC++;
1885 }
1886}
1887
1888unsigned char cdrRead3(void) {
1889 if (cdr.Stat) {
1890 if (cdr.Ctrl & 0x1)
1891 psxHu8(0x1803) = cdr.Stat | 0xE0;
1892 else
1893 psxHu8(0x1803) = 0xff;
1894 } else {
1895 psxHu8(0x1803) = 0;
1896 }
1897#ifdef CDR_LOG
1898 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1899#endif
1900 return psxHu8(0x1803);
1901}
1902
1903void cdrWrite3(unsigned char rt) {
1904#ifdef CDR_LOG
1905 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1906#endif
056d6759 1907
9f8b032d 1908 // Tekken: CDXA fade-out
1909 if( (cdr.Ctrl & 3) == 2 ) {
1910 cdr.AttenuatorLeft[1] = rt;
1911 }
1912 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1913#ifdef CDR_LOG
1914 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1915 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1916 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1917#endif
1918 }
056d6759 1919
9f8b032d 1920
1921 // GameShark CDX CD Player: Irq timing mania
1922 if( rt == 0 &&
1923 cdr.Irq != 0 && cdr.Irq != 0xff &&
1924 cdr.ResultReady == 0 ) {
1925
1926 // GS CDX: ~0x28 cycle timing - way too precise
1927 if( cdr.Irq == CdlGetlocP ) {
1928 cdrInterrupt();
1929
1930 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1931 }
1932 }
1933
1934
50b13be9 1935 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1936 cdr.Stat = 0;
1937
1938 if (cdr.Irq == 0xff) {
1939 cdr.Irq = 0;
1940 return;
1941 }
9f8b032d 1942
aa40e1b8 1943 // XA streaming - incorrect timing because of this reschedule
1944 // - Final Fantasy Tactics
1945 // - various other games
1946
9f8b032d 1947 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1948 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1949 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1950 if (Config.CdrReschedule != 2)
1951 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1952 //printf("-- resched %d -> %d\n", left, time);
1953 CDREAD_INT(time);
4955e9d0 1954 }
9f8b032d 1955 }
ef79bbde
P		 1956
1957 return;
1958 }
9f8b032d 1959
50b13be9 1960 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde 1961 cdr.Readed = 1;
8e1040b6 1962 pTransfer = cdr.Transfer;
ef79bbde
P		 1963
1964 switch (cdr.Mode & 0x30) {
9f8b032d 1965 case MODE_SIZE_2328:
ef79bbde 1966 case 0x00:
8e1040b6 1967 pTransfer += 12;
ef79bbde 1968 break;
9f8b032d 1969
1970 case MODE_SIZE_2340:
8e1040b6 1971 pTransfer += 0;
9f8b032d 1972 break;
1973
ef79bbde
P		 1974 default:
1975 break;
1976 }
1977 }
1978}
1979
1980void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1981 u32 cdsize;
c7071c43 1982 int size;
ef79bbde
P		 1983 u8 *ptr;
1984
1985#ifdef CDR_LOG
1986 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1987#endif
1988
1989 switch (chcr) {
1990 case 0x11000000:
1991 case 0x11400100:
1992 if (cdr.Readed == 0) {
1993#ifdef CDR_LOG
1994 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1995#endif
1996 break;
1997 }
1998
1999 cdsize = (bcr & 0xffff) * 4;
2000
9f8b032d 2001 // Ape Escape: bcr = 0001 / 0000
2002 // - fix boot
2003 if( cdsize == 0 )
2004 {
2005 switch (cdr.Mode & 0x30) {
2006 case 0x00: cdsize = 2048; break;
2007 case MODE_SIZE_2328: cdsize = 2328; break;
2008 case MODE_SIZE_2340: cdsize = 2340; break;
2009 }
2010 }
2011
2012
ef79bbde
P		 2013 ptr = (u8 *)PSXM(madr);
2014 if (ptr == NULL) {
2015#ifdef CPU_LOG
2016 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2017#endif
2018 break;
2019 }
9f8b032d 2020
2021 /*
2022 GS CDX: Enhancement CD crash
2023 - Setloc 0:0:0
2024 - CdlPlay
2025 - Spams DMA3 and gets buffer overrun
2026 */
8e1040b6 2027 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
c7071c43 2028 if (size > cdsize)
2029 size = cdsize;
2030 if (size > 0)
9f8b032d 2031 {
8e1040b6 2032 memcpy(ptr, pTransfer, size);
9f8b032d 2033 }
2034
ef79bbde 2035 psxCpu->Clear(madr, cdsize / 4);
8e1040b6 2036 pTransfer += cdsize;
9f8b032d 2037
2038
2039 // burst vs normal
2040 if( chcr == 0x11400100 ) {
2041 CDRDMA_INT( (cdsize/4) / 4 );
2042 }
2043 else if( chcr == 0x11000000 ) {
2044 CDRDMA_INT( (cdsize/4) * 1 );
2045 }
2046 return;
2047
ef79bbde
P		 2048 default:
2049#ifdef CDR_LOG
2050 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2051#endif
2052 break;
2053 }
2054
2055 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2056 DMA_INTERRUPT(3);
2057}
2058
9f8b032d 2059void cdrDmaInterrupt()
2060{
ad418c19 2061 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2062 {
2063 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2064 DMA_INTERRUPT(3);
2065 }
9f8b032d 2066}
2067
ef79bbde
P		 2068void cdrReset() {
2069 memset(&cdr, 0, sizeof(cdr));
2070 cdr.CurTrack = 1;
2071 cdr.File = 1;
2072 cdr.Channel = 1;
8e1040b6 2073 pTransfer = cdr.Transfer;
056d6759 2074
2075 // BIOS player - default values
2076 cdr.AttenuatorLeft[0] = 0x80;
2077 cdr.AttenuatorLeft[1] = 0x00;
2078 cdr.AttenuatorRight[0] = 0x80;
2079 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2080}
2081
496d88d4 2082int cdrFreeze(void *f, int Mode) {
8e1040b6 2083 u32 tmp;
ef79bbde 2084
9f8b032d 2085 if( Mode == 0 ) {
2086 StopCdda();
2087 }
2088
2089 gzfreeze(&cdr, sizeof(cdr));
2090
ef79bbde 2091 if (Mode == 1)
8e1040b6 2092 tmp = pTransfer - cdr.Transfer;
ef79bbde
P		 2093
2094 gzfreeze(&tmp, sizeof(tmp));
2095
42f3c512 2096 if (Mode == 0) {
8e1040b6 2097 pTransfer = cdr.Transfer + tmp;
ef79bbde 2098
42f3c512 2099 if (cdr.Play && !Config.Cdda)
2100 CDR_play(cdr.SetSectorPlay);
2101 }
2102
ef79bbde
P		 2103 return 0;
2104}
9f8b032d 2105
2106void LidInterrupt() {
2107 cdr.LidCheck = 0x20; // start checker
2108
2109 CDRLID_INT( cdReadTime * 3 );
2110
2111 // generate interrupt if none active - open or close
2112 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2113 cdr.Ctrl |= 0x80;
2114 cdr.Stat = NoIntr;
2115 AddIrqQueue(CdlNop, 0x800);
2116 }
2117}
ARM optimized PCSX fork