1 /***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
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. *
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. *
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 ***************************************************************************/
21 * Handles all CD-ROM registers and functions.
30 #define CDR_LOG SysPrintf
35 #define CDR_LOG_I SysPrintf
37 #define CDR_LOG_I(...)
40 #define CDR_LOG_IO SysPrintf
42 #define CDR_LOG_IO(...)
44 //#define CDR_LOG_CMD_IRQ
47 static unsigned char *pTransfer;
49 /* CD-ROM magic numbers */
63 #define CdlSetfilter 13
73 #define CdlSetclock 23
74 #define CdlGetclock 24
81 /* don't set 255, it's reserved */
83 char *CmdName[0x100]= {
84 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
85 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
86 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
87 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
88 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
89 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
90 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
91 "CdlReset", NULL, "CDlReadToc", NULL
94 unsigned char Test04[] = { 0 };
95 unsigned char Test05[] = { 0 };
96 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
97 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
98 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
104 #define Acknowledge 3
109 #define MODE_SPEED (1<<7) // 0x80
110 #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
111 #define MODE_SIZE_2340 (1<<5) // 0x20
112 #define MODE_SIZE_2328 (1<<4) // 0x10
113 #define MODE_SF (1<<3) // 0x08 channel on/off
114 #define MODE_REPORT (1<<2) // 0x04
115 #define MODE_AUTOPAUSE (1<<1) // 0x02
116 #define MODE_CDDA (1<<0) // 0x01
119 #define STATUS_PLAY (1<<7) // 0x80
120 #define STATUS_SEEK (1<<6) // 0x40
121 #define STATUS_READ (1<<5) // 0x20
122 #define STATUS_SHELLOPEN (1<<4) // 0x10
123 #define STATUS_UNKNOWN3 (1<<3) // 0x08
124 #define STATUS_UNKNOWN2 (1<<2) // 0x04
125 #define STATUS_ROTATING (1<<1) // 0x02
126 #define STATUS_ERROR (1<<0) // 0x01
130 // 1x = 75 sectors per second
131 // PSXCLK = 1 sec in the ps
132 // so (PSXCLK / 75) = cdr read time (linuzappz)
133 #define cdReadTime (PSXCLK / 75)
142 static struct CdrStat stat;
144 static unsigned int msf2sec(u8 *msf) {
145 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
148 static void sec2msf(unsigned int s, u8 *msf) {
149 msf[0] = s / 75 / 60;
150 s = s - msf[0] * 75 * 60;
157 #define CDR_INT(eCycle) { \
158 psxRegs.interrupt |= (1 << PSXINT_CDR); \
159 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
160 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
161 new_dyna_set_event(PSXINT_CDR, eCycle); \
165 #define CDREAD_INT(eCycle) { \
166 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
167 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
168 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
169 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
172 // cdrLidSeekInterrupt
173 #define CDRLID_INT(eCycle) { \
174 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
175 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
176 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
177 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
181 #define CDRMISC_INT(eCycle) { \
182 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
183 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
184 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
185 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
188 #define StopReading() { \
191 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
193 cdr.StatP &= ~STATUS_READ;\
196 #define StopCdda() { \
198 if (!Config.Cdda) CDR_stop(); \
199 cdr.StatP &= ~STATUS_PLAY; \
201 cdr.FastForward = 0; \
202 cdr.FastBackward = 0; \
203 /*SPU_registerCallback( SPUirq );*/ \
207 #define SetResultSize(size) { \
209 cdr.ResultC = size; \
210 cdr.ResultReady = 1; \
213 static void setIrq(void)
215 if (cdr.Stat & cdr.Reg2)
216 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
219 void cdrLidSeekInterrupt()
221 // turn back on checking
222 if( cdr.LidCheck == 0x10 )
227 // official lid close
228 else if( cdr.LidCheck == 0x30 )
231 cdr.StatP |= STATUS_ROTATING;
234 // GS CDX 3.3 - ~50 getlocp tries
235 CDRLID_INT( cdReadTime * 3 );
240 else if( cdr.LidCheck == 0x40 )
243 cdr.StatP &= ~STATUS_SHELLOPEN;
244 cdr.StatP &= ~STATUS_ROTATING;
247 // GS CDX 3.3 - ~50 getlocp tries
248 CDRLID_INT( cdReadTime * 3 );
253 else if( cdr.LidCheck == 0x50 )
255 // GameShark Lite: Start seeking ($42)
256 cdr.StatP |= STATUS_SEEK;
257 cdr.StatP |= STATUS_ROTATING;
258 cdr.StatP &= ~STATUS_ERROR;
261 CDRLID_INT( cdReadTime * 3 );
266 else if( cdr.LidCheck == 0x60 )
268 // GameShark Lite: Seek detection done ($02)
269 cdr.StatP &= ~STATUS_SEEK;
275 static void Check_Shell( int Irq )
277 // check case open/close
278 if (cdr.LidCheck > 0)
280 CDR_LOG( "LidCheck\n" );
282 // $20 = check lid state
283 if( cdr.LidCheck == 0x20 )
288 if (CDR_getStatus(&stat) != -1)
290 // BIOS hangs + BIOS error messages
291 //if (stat.Type == 0xff)
292 //cdr.Stat = DiskError;
295 if (stat.Status & STATUS_SHELLOPEN)
297 // Vib Ribbon: pre-CD swap
301 // GameShark Lite: Death if DiskError happens
303 // Vib Ribbon: Needs DiskError for CD swap
307 cdr.Stat = DiskError;
309 cdr.StatP |= STATUS_ERROR;
310 cdr.Result[0] |= STATUS_ERROR;
313 // GameShark Lite: Wants -exactly- $10
314 cdr.StatP |= STATUS_SHELLOPEN;
315 cdr.StatP &= ~STATUS_ROTATING;
318 CDRLID_INT( cdReadTime * 3 );
326 else if ( i & STATUS_SHELLOPEN )
328 cdr.StatP |= STATUS_ROTATING;
333 if( cdr.Stat == NoIntr )
334 cdr.Stat = Acknowledge;
338 // begin close-seek-ready cycle
339 CDRLID_INT( cdReadTime * 3 );
343 // GameShark Lite: Wants -exactly- $42, then $02
344 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
347 // case still closed - wait for recheck
350 CDRLID_INT( cdReadTime * 3 );
357 // GS CDX: clear all values but #1,#2
358 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
361 memset( cdr.Result, 0, 16 );
363 cdr.Result[0] = cdr.StatP;
366 // GS CDX: special return value
367 if( cdr.StatP & STATUS_SHELLOPEN )
369 cdr.Result[1] = 0x80;
373 if( cdr.Stat == NoIntr )
374 cdr.Stat = Acknowledge;
381 void Find_CurTrack() {
384 if (CDR_getTN(cdr.ResultTN) != -1) {
387 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
388 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
391 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
392 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
393 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
396 // find next track boundary - only need m:s accuracy
397 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
398 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
400 // Twisted Metal 4 - psx cdda pregap (2-sec)
401 // - fix in-game music
404 if( sect1 >= sect2 ) {
415 static void ReadTrack( u8 *time ) {
416 cdr.Prev[0] = itob( time[0] );
417 cdr.Prev[1] = itob( time[1] );
418 cdr.Prev[2] = itob( time[2] );
420 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
421 cdr.RErr = CDR_readTrack(cdr.Prev);
425 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
426 if (cdr.Irq != 0 && cdr.Irq != 0xff)
427 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
438 if (CDR_getTN(cdr.ResultTN) != -1) {
441 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
442 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
443 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
444 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
445 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
448 // check if time matches track start (only need min, sec accuracy)
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];
458 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
466 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
467 static void Create_Fake_Subq()
469 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
472 if (CDR_getTN(cdr.ResultTN) == -1) return;
473 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
475 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
477 // last track - cd size
479 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
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];
487 temp_cur[0] = btoi( cdr.Prev[0] );
488 temp_cur[1] = btoi( cdr.Prev[1] );
489 temp_cur[2] = btoi( cdr.Prev[2] );
492 fake_subq_real[0] = temp_cur[0];
493 fake_subq_real[1] = temp_cur[1];
494 fake_subq_real[2] = temp_cur[2];
496 temp_next[0] = cdr.ResultTD[2];
497 temp_next[1] = cdr.ResultTD[1];
498 temp_next[2] = cdr.ResultTD[0];
502 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
503 fake_subq_change = 1;
508 if( pregap == 0 ) StopCdda();
511 //////////////////////////////////////////////////
512 //////////////////////////////////////////////////
515 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
516 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
518 // last track - cd size
519 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
522 temp_start[0] = cdr.ResultTD[2];
523 temp_start[1] = cdr.ResultTD[1];
524 temp_start[2] = cdr.ResultTD[0];
527 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
528 temp_cur[0], temp_cur[1], temp_cur[2],
529 temp_start[0], temp_start[1], temp_start[2],
530 temp_next[0], temp_next[1], temp_next[2]);
534 // local time - pregap / real
535 diff = msf2sec(temp_cur) - msf2sec( temp_start );
539 sec2msf( -diff, fake_subq_local );
543 sec2msf( diff, fake_subq_local );
548 static void cdrPlayInterrupt_Autopause()
550 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
551 int track_changed = 0;
554 ReadTrack( cdr.SetSectorPlay );
556 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
557 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
562 Silhouette Mirage ($3)
566 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
567 // (how does real thing handle those?)
568 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
572 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
573 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
575 track_changed = fake_subq_change;
576 fake_subq_change = 0;
579 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
580 CDR_LOG( "CDDA STOP\n" );
582 // Magic the Gathering
583 // - looping territory cdda
586 //cdr.ResultReady = 1;
587 //cdr.Stat = DataReady;
593 else if (cdr.Mode & MODE_REPORT) {
595 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
596 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
598 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
599 //cdr.CurTrack = btoi( subq->TrackNumber );
601 if (subq->AbsoluteAddress[2] & 0xf)
604 cdr.Result[0] = cdr.StatP;
605 // BIOS CD Player: data already BCD format
606 cdr.Result[1] = subq->TrackNumber;
607 cdr.Result[2] = subq->IndexNumber;
609 cdr.Result[3] = subq->AbsoluteAddress[0];
610 cdr.Result[4] = subq->AbsoluteAddress[1];
611 cdr.Result[5] = subq->AbsoluteAddress[2];
613 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
614 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
616 if (fake_subq_real[2] & 0xf)
619 cdr.Result[0] = cdr.StatP;
621 cdr.Result[1] = itob(cdr.CurTrack);
622 cdr.Result[2] = itob(fake_subq_index);
624 cdr.Result[3] = itob( fake_subq_real[0] );
625 cdr.Result[4] = itob( fake_subq_real[1] );
626 cdr.Result[5] = itob( fake_subq_real[2] );
629 // Rayman: Logo freeze (resultready + dataready)
631 cdr.Stat = DataReady;
639 void cdrPlayInterrupt()
641 if (cdr.Seeked == SEEK_DOING_CMD) {
643 CDR_LOG_I("cdrom: seek stat hack\n");
648 cdr.StatP |= STATUS_ROTATING;
649 cdr.StatP &= ~STATUS_SEEK;
650 cdr.Result[0] = cdr.StatP;
651 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
656 cdr.Seeked = SEEK_PENDING;
657 CDRMISC_INT(cdReadTime * 20); // ???
660 else if (cdr.Seeked == SEEK_PENDING) {
661 cdr.Seeked = SEEK_DONE;
662 if (!cdr.Play && !cdr.Reading) {
663 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
665 ReadTrack(cdr.SetSector);
669 if (!cdr.Play) return;
671 CDR_LOG( "CDDA - %d:%d:%d\n",
672 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
674 CDRMISC_INT( cdReadTime );
676 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
677 cdrPlayInterrupt_Autopause();
679 cdr.SetSectorPlay[2]++;
680 if (cdr.SetSectorPlay[2] == 75) {
681 cdr.SetSectorPlay[2] = 0;
682 cdr.SetSectorPlay[1]++;
683 if (cdr.SetSectorPlay[1] == 60) {
684 cdr.SetSectorPlay[1] = 0;
685 cdr.SetSectorPlay[0]++;
692 void cdrInterrupt() {
694 unsigned char Irq = cdr.Irq;
699 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
710 cdr.StatP |= STATUS_ROTATING;
711 cdr.Result[0] = cdr.StatP;
712 cdr.Stat = Acknowledge;
717 cdr.Result[0] = cdr.StatP;
718 cdr.Stat = Acknowledge;
720 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
726 cdr.StatP |= STATUS_ROTATING;
727 cdr.Result[0] = cdr.StatP;
728 cdr.Stat = Acknowledge;
732 fake_subq_change = 0;
734 if (cdr.Seeked == SEEK_PENDING) {
735 // XXX: wrong, should seek instead..
736 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
737 cdr.Seeked = SEEK_DONE;
741 Rayman: detect track changes
744 Twisted Metal 2: skip PREGAP + starting accurate SubQ
745 - plays tracks without retry play
747 Wild 9: skip PREGAP + starting accurate SubQ
748 - plays tracks without retry play
750 /* unneeded with correct cdriso?
754 ReadTrack( cdr.SetSectorPlay );
756 // GameShark CD Player: Calls 2x + Play 2x
757 if( cdr.FastBackward || cdr.FastForward ) {
758 if( cdr.FastForward ) cdr.FastForward--;
759 if( cdr.FastBackward ) cdr.FastBackward--;
761 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
762 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
763 cdr.SetSectorPlay[0] = stat.Time[0];
764 cdr.SetSectorPlay[1] = stat.Time[1];
765 cdr.SetSectorPlay[2] = stat.Time[2];
773 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
775 // GameShark CD Player: Resume play
776 if( cdr.ParamC == 0 ) {
777 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
778 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
780 //CDR_play( cdr.SetSectorPlay );
784 // BIOS CD Player: Resume play
785 if( cdr.Param[0] == 0 ) {
786 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
787 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
789 //CDR_play( cdr.SetSectorPlay );
792 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
793 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
795 // BIOS CD Player: Allow track replaying
799 cdr.CurTrack = btoi( cdr.Param[0] );
801 if (CDR_getTN(cdr.ResultTN) != -1) {
803 if (cdr.CurTrack > cdr.ResultTN[1])
804 cdr.CurTrack = cdr.ResultTN[1];
806 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
807 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
808 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
809 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
814 ReadTrack( cdr.SetSectorPlay );
816 //CDR_play(cdr.SetSectorPlay);
824 // Vib Ribbon: gameplay checks flag
825 cdr.StatP &= ~STATUS_SEEK;
830 cdr.StatP |= STATUS_ROTATING;
831 cdr.Result[0] = cdr.StatP;
832 cdr.Stat = Acknowledge;
834 cdr.StatP |= STATUS_PLAY;
837 // BIOS player - set flag again
840 CDRMISC_INT( cdReadTime );
846 cdr.StatP |= STATUS_ROTATING;
847 cdr.Result[0] = cdr.StatP;
851 // GameShark CD Player: Calls 2x + Play 2x
852 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
853 else cdr.FastForward++;
855 cdr.FastBackward = 0;
861 cdr.StatP |= STATUS_ROTATING;
862 cdr.Result[0] = cdr.StatP;
866 // GameShark CD Player: Calls 2x + Play 2x
867 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
868 else cdr.FastBackward++;
876 cdr.StatP |= STATUS_ROTATING;
877 cdr.Result[0] = cdr.StatP;
884 cdr.StatP &= ~STATUS_ROTATING;
885 cdr.Result[0] = cdr.StatP;
887 // cdr.Stat = Acknowledge;
889 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
894 cdr.Result[0] = cdr.StatP;
895 cdr.Stat = Acknowledge;
898 Gundam Battle Assault 2: much slower (*)
899 - Fixes boot, gameplay
901 Hokuto no Ken 2: slower
902 - Fixes intro + subtitles
904 InuYasha - Feudal Fairy Tale: slower
907 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
911 case CdlPause + 0x20:
913 cdr.StatP &= ~STATUS_READ;
914 cdr.StatP |= STATUS_ROTATING;
915 cdr.Result[0] = cdr.StatP;
921 cdr.StatP = STATUS_ROTATING;
922 cdr.Result[0] = cdr.StatP;
923 cdr.Stat = Acknowledge;
925 AddIrqQueue(CdlInit + 0x20, 0x800);
931 cdr.Result[0] = cdr.StatP;
938 cdr.StatP |= STATUS_ROTATING;
939 cdr.Result[0] = cdr.StatP;
940 cdr.Stat = Acknowledge;
945 cdr.StatP |= STATUS_ROTATING;
946 cdr.Result[0] = cdr.StatP;
947 cdr.Stat = Acknowledge;
952 cdr.StatP |= STATUS_ROTATING;
953 cdr.Result[0] = cdr.StatP;
954 cdr.Stat = Acknowledge;
959 cdr.StatP |= STATUS_ROTATING;
960 cdr.Result[0] = cdr.StatP;
961 cdr.Stat = Acknowledge;
966 cdr.StatP |= STATUS_ROTATING;
967 cdr.Result[0] = cdr.StatP;
968 cdr.Result[1] = cdr.Mode;
969 cdr.Result[2] = cdr.File;
970 cdr.Result[3] = cdr.Channel;
973 cdr.Stat = Acknowledge;
978 for (i = 0; i < 8; i++)
979 cdr.Result[i] = cdr.Transfer[i];
980 cdr.Stat = Acknowledge;
984 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
986 memset( cdr.Result, 0, 16 );
988 subq = (struct SubQ *)CDR_getBufferSub();
991 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
993 ReadTrack( cdr.SetSectorPlay );
995 cdr.Result[0] = subq->TrackNumber;
996 cdr.Result[1] = subq->IndexNumber;
997 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
998 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
1001 // subQ integrity check - data only (skip audio)
1002 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
1003 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
1004 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
1008 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1012 // track # / index #
1013 cdr.Result[0] = itob(cdr.CurTrack);
1014 cdr.Result[1] = itob(fake_subq_index);
1017 cdr.Result[2] = itob( fake_subq_local[0] );
1018 cdr.Result[3] = itob( fake_subq_local[1] );
1019 cdr.Result[4] = itob( fake_subq_local[2] );
1022 cdr.Result[5] = itob( fake_subq_real[0] );
1023 cdr.Result[6] = itob( fake_subq_real[1] );
1024 cdr.Result[7] = itob( fake_subq_real[2] );
1027 // redump.org - wipe time
1028 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1029 memset( cdr.Result+2, 0, 6 );
1032 cdr.Stat = Acknowledge;
1036 // 5-Star Racing: don't stop CDDA
1038 // Vib Ribbon: CD swap
1043 cdr.StatP |= STATUS_ROTATING;
1044 cdr.Result[0] = cdr.StatP;
1045 if (CDR_getTN(cdr.ResultTN) == -1) {
1046 cdr.Stat = DiskError;
1047 cdr.Result[0] |= STATUS_ERROR;
1049 cdr.Stat = Acknowledge;
1050 cdr.Result[1] = itob(cdr.ResultTN[0]);
1051 cdr.Result[2] = itob(cdr.ResultTN[1]);
1057 cdr.Track = btoi(cdr.Param[0]);
1059 cdr.StatP |= STATUS_ROTATING;
1060 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1061 cdr.Stat = DiskError;
1062 cdr.Result[0] |= STATUS_ERROR;
1064 cdr.Stat = Acknowledge;
1065 cdr.Result[0] = cdr.StatP;
1066 cdr.Result[1] = itob(cdr.ResultTD[2]);
1067 cdr.Result[2] = itob(cdr.ResultTD[1]);
1068 cdr.Result[3] = itob(cdr.ResultTD[0]);
1075 cdr.StatP |= STATUS_ROTATING;
1076 cdr.Result[0] = cdr.StatP;
1077 cdr.StatP |= STATUS_SEEK;
1078 cdr.Stat = Acknowledge;
1081 Crusaders of Might and Magic = 0.5x-4x
1082 - fix cutscene speech start
1084 Eggs of Steel = 2x-?
1088 - fix cutscene speech
1093 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1094 cdr.Seeked = SEEK_DOING_CMD;
1098 cdr.Stat = Acknowledge;
1099 switch (cdr.Param[0]) {
1100 case 0x20: // System Controller ROM Version
1102 memcpy(cdr.Result, Test20, 4);
1106 memcpy(cdr.Result, Test22, 4);
1108 case 0x23: case 0x24:
1110 memcpy(cdr.Result, Test23, 4);
1117 cdr.StatP |= STATUS_ROTATING;
1118 cdr.Result[0] = cdr.StatP;
1119 cdr.Stat = Acknowledge;
1120 AddIrqQueue(CdlID + 0x20, 0x800);
1126 if (CDR_getStatus(&stat) == -1) {
1127 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1128 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1131 if (stat.Type == 2) {
1133 cdr.Result[0] = 0x08;
1134 cdr.Result[1] = 0x10;
1136 cdr.Result[1] |= 0x80;
1140 if (CdromId[0] == '\0') {
1141 cdr.Result[0] = 0x00;
1142 cdr.Result[1] = 0x80;
1145 cdr.Result[0] = 0x08;
1146 cdr.Result[1] = 0x00;
1151 cdr.Result[2] = 0x00;
1152 cdr.Result[3] = 0x00;
1153 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1154 cdr.Stat = Complete;
1159 cdr.StatP = STATUS_ROTATING;
1160 cdr.Result[0] = cdr.StatP;
1161 cdr.Stat = Acknowledge;
1166 cdr.StatP |= STATUS_ROTATING;
1167 cdr.Result[0] = cdr.StatP;
1168 cdr.Stat = Acknowledge;
1169 AddIrqQueue(CdlReadT + 0x20, 0x800);
1172 case CdlReadT + 0x20:
1174 cdr.StatP |= STATUS_ROTATING;
1175 cdr.Result[0] = cdr.StatP;
1176 cdr.Stat = Complete;
1181 cdr.StatP |= STATUS_ROTATING;
1182 cdr.Result[0] = cdr.StatP;
1183 cdr.Stat = Acknowledge;
1184 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1187 case CdlReadToc + 0x20:
1189 cdr.StatP |= STATUS_ROTATING;
1190 cdr.Result[0] = cdr.StatP;
1191 cdr.Stat = Complete;
1196 if (!cdr.Reading) return;
1199 // Fighting Force 2 - update subq time immediately
1201 ReadTrack( cdr.SetSector );
1204 // Crusaders of Might and Magic - update getlocl now
1205 // - fixes cutscene speech
1207 u8 *buf = CDR_getBuffer();
1209 memcpy(cdr.Transfer, buf, 8);
1213 Duke Nukem: Land of the Babes - seek then delay read for one frame
1215 C-12 - Final Resistance - doesn't like seek
1218 if (cdr.Seeked != SEEK_DONE) {
1219 cdr.StatP |= STATUS_SEEK;
1220 cdr.StatP &= ~STATUS_READ;
1222 // Crusaders of Might and Magic - use short time
1223 // - fix cutscene speech (startup)
1225 // ??? - use more accurate seek time later
1226 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1228 cdr.StatP |= STATUS_READ;
1229 cdr.StatP &= ~STATUS_SEEK;
1231 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1235 cdr.StatP |= STATUS_ROTATING;
1236 cdr.Result[0] = cdr.StatP;
1237 cdr.Stat = Acknowledge;
1244 cdr.Stat = Complete;
1254 #ifdef CDR_LOG_CMD_IRQ
1255 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1256 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1257 for (i = 0; i < cdr.ResultC; i++)
1258 SysPrintf("%02x ", cdr.Result[i]);
1263 void cdrReadInterrupt() {
1269 if (cdr.Irq || cdr.Stat) {
1270 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1277 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1278 cdr.StatP &= ~STATUS_SEEK;
1279 cdr.Result[0] = cdr.StatP;
1280 cdr.Seeked = SEEK_DONE;
1282 ReadTrack( cdr.SetSector );
1284 buf = CDR_getBuffer();
1288 if (cdr.RErr == -1) {
1289 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1290 memset(cdr.Transfer, 0, DATA_SIZE);
1291 cdr.Stat = DiskError;
1292 cdr.Result[0] |= STATUS_ERROR;
1293 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1297 memcpy(cdr.Transfer, buf, DATA_SIZE);
1298 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1301 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1303 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1304 // Firemen 2: Multi-XA files - briefings, cutscenes
1305 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1306 cdr.File = cdr.Transfer[4 + 0];
1307 cdr.Channel = cdr.Transfer[4 + 1];
1310 if ((cdr.Transfer[4 + 2] & 0x4) &&
1311 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1312 (cdr.Transfer[4 + 0] == cdr.File)) {
1313 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1316 // only handle attenuator basic channel switch for now
1317 if (cdr.Xa.stereo) {
1319 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1320 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1322 for (i = 0; i < cdr.Xa.nsamples; i++)
1323 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1325 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1326 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1328 for (i = 0; i < cdr.Xa.nsamples; i++)
1329 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1333 SPU_playADPCMchannel(&cdr.Xa);
1334 cdr.FirstSector = 0;
1337 // Crash Team Racing: music, speech
1338 // - done using cdda decoded buffer (spu irq)
1341 // signal ADPCM data ready
1345 else cdr.FirstSector = -1;
1350 if (cdr.SetSector[2] == 75) {
1351 cdr.SetSector[2] = 0;
1353 if (cdr.SetSector[1] == 60) {
1354 cdr.SetSector[1] = 0;
1361 // G-Police: Don't autopause ADPCM even if mode set (music)
1362 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1363 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
1365 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1367 AddIrqQueue(CdlPause, 0x2000);
1370 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1374 Croc 2: $40 - only FORM1 (*)
1375 Judge Dredd: $C8 - only FORM1 (*)
1376 Sim Theme Park - no adpcm at all (zero)
1379 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1380 cdr.Stat = DataReady;
1382 // Breath of Fire 3 - fix inn sleeping
1383 // Rockman X5 - no music restart problem
1397 bit 5 - 1 result ready
1399 bit 7 - 1 command being processed
1402 unsigned char cdrRead0(void) {
1403 if (cdr.ResultReady)
1411 // cdr.Ctrl &= ~0x40;
1413 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1416 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1418 return psxHu8(0x1800) = cdr.Ctrl;
1421 void cdrWrite0(unsigned char rt) {
1422 CDR_LOG_IO("cdr w0: %02x\n", rt);
1424 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1427 unsigned char cdrRead1(void) {
1428 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1429 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1433 if (cdr.ResultP == cdr.ResultC)
1434 cdr.ResultReady = 0;
1436 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1438 return psxHu8(0x1801);
1441 void cdrWrite1(unsigned char rt) {
1445 CDR_LOG_IO("cdr w1: %02x\n", rt);
1447 switch (cdr.Ctrl & 3) {
1451 cdr.AttenuatorRight[1] = rt;
1460 #ifdef CDR_LOG_CMD_IRQ
1461 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1463 SysPrintf(" Param[%d] = {", cdr.ParamC);
1464 for (i = 0; i < cdr.ParamC; i++)
1465 SysPrintf(" %x,", cdr.Param[i]);
1472 cdr.ResultReady = 0;
1474 // cdr.Stat = NoIntr;
1475 AddIrqQueue(cdr.Cmd, 0x800);
1494 for (i = 0; i < 3; i++)
1495 set_loc[i] = btoi(cdr.Param[i]);
1497 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1499 cdr.Seeked = SEEK_PENDING;
1501 memcpy(cdr.SetSector, set_loc, 3);
1502 cdr.SetSector[3] = 0;
1506 // Vib Ribbon: try same track again
1509 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1510 if (CDR_getTN(cdr.ResultTN) != -1) {
1511 if (cdr.CurTrack > cdr.ResultTN[1])
1512 cdr.CurTrack = cdr.ResultTN[1];
1513 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1514 int tmp = cdr.ResultTD[2];
1515 cdr.ResultTD[2] = cdr.ResultTD[0];
1516 cdr.ResultTD[0] = tmp;
1517 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1520 } else if (!Config.Cdda) {
1521 CDR_play(cdr.SetSector);
1524 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1525 // - fixes ribbon timing + music CD mode
1527 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1531 cdr.StatP |= STATUS_SEEK;
1532 cdr.StatP &= ~STATUS_ROTATING;
1538 cdr.FirstSector = 1;
1548 // GameShark CD Player: Reset CDDA to track start
1549 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1550 cdr.SetSectorPlay[0] = stat.Time[0];
1551 cdr.SetSectorPlay[1] = stat.Time[1];
1552 cdr.SetSectorPlay[2] = stat.Time[2];
1556 // grab time for current track
1557 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1559 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1560 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1561 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1570 GameShark CD Player: save time for resume
1572 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1581 cdr.Seeked = SEEK_DONE;
1588 // Duke Nukem - Time to Kill
1589 // - do not directly set cd-xa volume
1590 //SPU_writeRegister( H_CDLeft, 0x0000 );
1591 //SPU_writeRegister( H_CDRight, 0x0000 );
1597 // Duke Nukem - Time to Kill
1598 // - do not directly set cd-xa volume
1599 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1600 //SPU_writeRegister( H_CDRight, 0x7f00 );
1604 cdr.File = cdr.Param[0];
1605 cdr.Channel = cdr.Param[1];
1609 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1611 cdr.Mode = cdr.Param[0];
1613 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1614 // - fixes choppy movie sound
1615 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1620 //AddIrqQueue(cdr.Cmd, 0x800);
1622 // GameShark CDX CD Player: very long time
1623 AddIrqQueue(cdr.Cmd, 0x100000);
1628 // Tomb Raider 2 - reset cdda
1636 cdr.FirstSector = 1;
1642 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1647 unsigned char cdrRead2(void) {
1650 if (cdr.Readed == 0) {
1656 CDR_LOG_IO("cdr r2: %02x\n", ret);
1660 void cdrWrite2(unsigned char rt) {
1661 CDR_LOG_IO("cdr w2: %02x\n", rt);
1663 switch (cdr.Ctrl & 3) {
1665 if (cdr.ParamC < 8) // FIXME: size and wrapping
1666 cdr.Param[cdr.ParamC++] = rt;
1673 cdr.AttenuatorLeft[0] = rt;
1676 cdr.AttenuatorRight[0] = rt;
1681 unsigned char cdrRead3(void) {
1683 psxHu8(0x1803) = cdr.Stat | 0xE0;
1685 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1687 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1688 return psxHu8(0x1803);
1691 void cdrWrite3(unsigned char rt) {
1692 CDR_LOG_IO("cdr w3: %02x\n", rt);
1694 switch (cdr.Ctrl & 3) {
1700 cdr.AttenuatorLeft[1] = rt;
1704 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1705 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1706 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1716 if (cdr.Irq == 0xff) {
1721 // XA streaming - incorrect timing because of this reschedule
1722 // - Final Fantasy Tactics
1723 // - various other games
1725 if (cdr.Reading && !cdr.ResultReady) {
1726 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1727 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
1728 if (Config.CdrReschedule != 2)
1729 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1730 CDR_LOG_I("-- resched %d -> %d\n", left, time);
1738 if ((rt & 0x80) && cdr.Readed == 0) {
1740 pTransfer = cdr.Transfer;
1742 switch (cdr.Mode & 0x30) {
1743 case MODE_SIZE_2328:
1748 case MODE_SIZE_2340:
1758 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1763 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1768 if (cdr.Readed == 0) {
1769 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1773 cdsize = (bcr & 0xffff) * 4;
1775 // Ape Escape: bcr = 0001 / 0000
1779 switch (cdr.Mode & 0x30) {
1780 case 0x00: cdsize = 2048; break;
1781 case MODE_SIZE_2328: cdsize = 2328; break;
1782 case MODE_SIZE_2340: cdsize = 2340; break;
1787 ptr = (u8 *)PSXM(madr);
1789 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1794 GS CDX: Enhancement CD crash
1797 - Spams DMA3 and gets buffer overrun
1799 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1804 memcpy(ptr, pTransfer, size);
1807 psxCpu->Clear(madr, cdsize / 4);
1808 pTransfer += cdsize;
1812 if( chcr == 0x11400100 ) {
1813 CDRDMA_INT( (cdsize/4) / 4 );
1815 else if( chcr == 0x11000000 ) {
1816 CDRDMA_INT( (cdsize/4) * 1 );
1821 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1825 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1829 void cdrDmaInterrupt()
1831 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1833 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1839 memset(&cdr, 0, sizeof(cdr));
1843 pTransfer = cdr.Transfer;
1845 // BIOS player - default values
1846 cdr.AttenuatorLeft[0] = 0x80;
1847 cdr.AttenuatorLeft[1] = 0x00;
1848 cdr.AttenuatorRight[0] = 0x00;
1849 cdr.AttenuatorRight[1] = 0x80;
1852 int cdrFreeze(void *f, int Mode) {
1859 gzfreeze(&cdr, sizeof(cdr));
1862 cdr.ParamP = cdr.ParamC;
1863 tmp = pTransfer - cdr.Transfer;
1866 gzfreeze(&tmp, sizeof(tmp));
1869 pTransfer = cdr.Transfer + tmp;
1871 if (cdr.Play && !Config.Cdda)
1872 CDR_play(cdr.SetSectorPlay);
1878 void LidInterrupt() {
1879 cdr.LidCheck = 0x20; // start checker
1881 CDRLID_INT( cdReadTime * 3 );
1883 // generate interrupt if none active - open or close
1884 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1887 AddIrqQueue(CdlNop, 0x800);