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.
29 static unsigned char *pTransfer;
31 /* CD-ROM magic numbers */
45 #define CdlSetfilter 13
55 #define CdlSetclock 23
56 #define CdlGetclock 24
66 #define REPPLAY_ACK 252
69 /* don't set 255, it's reserved */
71 char *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
82 unsigned char Test04[] = { 0 };
83 unsigned char Test05[] = { 0 };
84 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
85 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
86 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
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
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
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)
130 static struct CdrStat stat;
132 static unsigned int msf2sec(u8 *msf) {
133 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
136 static void sec2msf(unsigned int s, u8 *msf) {
137 msf[0] = s / 75 / 60;
138 s = s - msf[0] * 75 * 60;
145 #define CDR_INT(eCycle) { \
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); \
153 #define CDREAD_INT(eCycle) { \
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); \
160 // cdrLidSeekInterrupt
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); \
169 #define CDRMISC_INT(eCycle) { \
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); \
176 #define StartReading(type, eCycle) { \
177 cdr.Reading = type; \
178 cdr.FirstSector = 1; \
180 AddIrqQueue(READ_ACK, eCycle); \
183 #define StopReading() { \
186 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
188 cdr.StatP &= ~STATUS_READ;\
191 #define StopCdda() { \
193 if (!Config.Cdda) CDR_stop(); \
194 cdr.StatP &= ~STATUS_PLAY; \
196 cdr.FastForward = 0; \
197 cdr.FastBackward = 0; \
198 /*SPU_registerCallback( SPUirq );*/ \
202 #define SetResultSize(size) { \
204 cdr.ResultC = size; \
205 cdr.ResultReady = 1; \
209 void cdrLidSeekInterrupt()
211 // turn back on checking
212 if( cdr.LidCheck == 0x10 )
217 // official lid close
218 else if( cdr.LidCheck == 0x30 )
221 cdr.StatP |= STATUS_ROTATING;
224 // GS CDX 3.3 - ~50 getlocp tries
225 CDRLID_INT( cdReadTime * 3 );
230 else if( cdr.LidCheck == 0x40 )
233 cdr.StatP &= ~STATUS_SHELLOPEN;
234 cdr.StatP &= ~STATUS_ROTATING;
237 // GS CDX 3.3 - ~50 getlocp tries
238 CDRLID_INT( cdReadTime * 3 );
243 else if( cdr.LidCheck == 0x50 )
245 // GameShark Lite: Start seeking ($42)
246 cdr.StatP |= STATUS_SEEK;
247 cdr.StatP |= STATUS_ROTATING;
248 cdr.StatP &= ~STATUS_ERROR;
251 CDRLID_INT( cdReadTime * 3 );
256 else if( cdr.LidCheck == 0x60 )
258 // GameShark Lite: Seek detection done ($02)
259 cdr.StatP &= ~STATUS_SEEK;
265 static void Check_Shell( int Irq )
267 // check case open/close
268 if (cdr.LidCheck > 0)
271 CDR_LOG( "LidCheck\n" );
274 // $20 = check lid state
275 if( cdr.LidCheck == 0x20 )
280 if (CDR_getStatus(&stat) != -1)
282 // BIOS hangs + BIOS error messages
283 //if (stat.Type == 0xff)
284 //cdr.Stat = DiskError;
287 if (stat.Status & STATUS_SHELLOPEN)
289 // Vib Ribbon: pre-CD swap
293 // GameShark Lite: Death if DiskError happens
295 // Vib Ribbon: Needs DiskError for CD swap
299 cdr.Stat = DiskError;
301 cdr.StatP |= STATUS_ERROR;
302 cdr.Result[0] |= STATUS_ERROR;
305 // GameShark Lite: Wants -exactly- $10
306 cdr.StatP |= STATUS_SHELLOPEN;
307 cdr.StatP &= ~STATUS_ROTATING;
310 CDRLID_INT( cdReadTime * 3 );
318 else if ( i & STATUS_SHELLOPEN )
320 cdr.StatP |= STATUS_ROTATING;
325 if( cdr.Stat == NoIntr )
326 cdr.Stat = Acknowledge;
328 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
331 // begin close-seek-ready cycle
332 CDRLID_INT( cdReadTime * 3 );
336 // GameShark Lite: Wants -exactly- $42, then $02
337 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
340 // case still closed - wait for recheck
343 CDRLID_INT( cdReadTime * 3 );
350 // GS CDX: clear all values but #1,#2
351 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
354 memset( cdr.Result, 0, 16 );
356 cdr.Result[0] = cdr.StatP;
359 // GS CDX: special return value
360 if( cdr.StatP & STATUS_SHELLOPEN )
362 cdr.Result[1] = 0x80;
366 if( cdr.Stat == NoIntr )
367 cdr.Stat = Acknowledge;
369 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
375 void Find_CurTrack() {
378 if (CDR_getTN(cdr.ResultTN) != -1) {
381 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
382 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
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],
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;
396 // Twisted Metal 4 - psx cdda pregap (2-sec)
397 // - fix in-game music
400 if( sect1 >= sect2 ) {
411 static 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] );
417 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
419 cdr.RErr = CDR_readTrack(cdr.Prev);
423 static 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);
436 if (CDR_getTN(cdr.ResultTN) != -1) {
439 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
440 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
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],
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];
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]);
536 // local time - pregap / real
537 diff = msf2sec(temp_cur) - msf2sec( temp_start );
541 sec2msf( -diff, fake_subq_local );
545 sec2msf( diff, fake_subq_local );
550 static void cdrPlayInterrupt_Autopause()
552 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
553 int track_changed = 0;
556 ReadTrack( cdr.SetSectorPlay );
559 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
560 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
566 Silhouette Mirage ($3)
570 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
571 // (how does real thing handle those?)
572 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
577 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
578 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
581 track_changed = fake_subq_change;
582 fake_subq_change = 0;
585 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
587 CDR_LOG( "CDDA STOP\n" );
590 // Magic the Gathering
591 // - looping territory cdda
594 //cdr.ResultReady = 1;
595 //cdr.Stat = DataReady;
597 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
601 else if (cdr.Mode & MODE_REPORT) {
604 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
605 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
607 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
608 //cdr.CurTrack = btoi( subq->TrackNumber );
610 if (subq->AbsoluteAddress[2] & 0xf)
613 cdr.Result[0] = cdr.StatP;
614 // BIOS CD Player: data already BCD format
615 cdr.Result[1] = subq->TrackNumber;
616 cdr.Result[2] = subq->IndexNumber;
618 cdr.Result[3] = subq->AbsoluteAddress[0];
619 cdr.Result[4] = subq->AbsoluteAddress[1];
620 cdr.Result[5] = subq->AbsoluteAddress[2];
623 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
624 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
627 if (fake_subq_real[2] & 0xf)
630 cdr.Result[0] = cdr.StatP;
632 cdr.Result[1] = itob(cdr.CurTrack);
633 cdr.Result[2] = itob(fake_subq_index);
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] );
640 // Rayman: Logo freeze (resultready + dataready)
642 cdr.Stat = DataReady;
645 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
650 void cdrPlayInterrupt()
652 if (cdr.Seeked == SEEK_DOING_CMD) {
654 cdr.StatP |= STATUS_ROTATING;
655 cdr.StatP &= ~STATUS_SEEK;
656 cdr.Result[0] = cdr.StatP;
657 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
659 if (cdr.Stat != NoIntr)
660 psxHu32ref(0x1070) |= SWAP32(0x4);
663 cdr.Seeked = SEEK_PENDING;
664 CDRMISC_INT(cdReadTime * 20); // ???
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);
672 ReadTrack(cdr.SetSector);
676 if (!cdr.Play) return;
679 CDR_LOG( "CDDA - %d:%d:%d\n",
680 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
682 CDRMISC_INT( cdReadTime );
684 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
685 cdrPlayInterrupt_Autopause();
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]++;
700 void cdrInterrupt() {
702 unsigned char Irq = cdr.Irq;
717 cdr.StatP |= STATUS_ROTATING;
718 cdr.Result[0] = cdr.StatP;
719 cdr.Stat = Acknowledge;
724 cdr.Result[0] = cdr.StatP;
725 cdr.Stat = Acknowledge;
727 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
733 cdr.StatP |= STATUS_ROTATING;
734 cdr.Result[0] = cdr.StatP;
735 cdr.Stat = Acknowledge;
739 fake_subq_change = 0;
741 if (cdr.Seeked == SEEK_PENDING) {
742 // XXX: wrong, should seek instead..
743 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
744 cdr.Seeked = SEEK_DONE;
748 Rayman: detect track changes
751 Twisted Metal 2: skip PREGAP + starting accurate SubQ
752 - plays tracks without retry play
754 Wild 9: skip PREGAP + starting accurate SubQ
755 - plays tracks without retry play
757 /* unneeded with correct cdriso?
761 ReadTrack( cdr.SetSectorPlay );
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--;
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];
780 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
782 // GameShark CD Player: Resume play
783 if( cdr.ParamC == 0 ) {
785 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
786 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
789 //CDR_play( cdr.SetSectorPlay );
793 // BIOS CD Player: Resume play
794 if( cdr.Param[0] == 0 ) {
796 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
797 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
800 //CDR_play( cdr.SetSectorPlay );
804 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
805 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
808 // BIOS CD Player: Allow track replaying
812 cdr.CurTrack = btoi( cdr.Param[0] );
814 if (CDR_getTN(cdr.ResultTN) != -1) {
816 if (cdr.CurTrack > cdr.ResultTN[1])
817 cdr.CurTrack = cdr.ResultTN[1];
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];
827 ReadTrack( cdr.SetSectorPlay );
829 //CDR_play(cdr.SetSectorPlay);
837 // Vib Ribbon: gameplay checks flag
838 cdr.StatP &= ~STATUS_SEEK;
843 cdr.StatP |= STATUS_ROTATING;
844 cdr.Result[0] = cdr.StatP;
845 cdr.Stat = Acknowledge;
847 cdr.StatP |= STATUS_PLAY;
850 // BIOS player - set flag again
853 CDRMISC_INT( cdReadTime );
859 cdr.StatP |= STATUS_ROTATING;
860 cdr.Result[0] = cdr.StatP;
864 // GameShark CD Player: Calls 2x + Play 2x
865 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
866 else cdr.FastForward++;
868 cdr.FastBackward = 0;
874 cdr.StatP |= STATUS_ROTATING;
875 cdr.Result[0] = cdr.StatP;
879 // GameShark CD Player: Calls 2x + Play 2x
880 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
881 else cdr.FastBackward++;
889 cdr.StatP |= STATUS_ROTATING;
890 cdr.Result[0] = cdr.StatP;
897 cdr.StatP &= ~STATUS_ROTATING;
898 cdr.Result[0] = cdr.StatP;
900 // cdr.Stat = Acknowledge;
902 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
907 cdr.Result[0] = cdr.StatP;
908 cdr.Stat = Acknowledge;
911 Gundam Battle Assault 2: much slower (*)
912 - Fixes boot, gameplay
914 Hokuto no Ken 2: slower
915 - Fixes intro + subtitles
917 InuYasha - Feudal Fairy Tale: slower
920 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
924 case CdlPause + 0x20:
926 cdr.StatP &= ~STATUS_READ;
927 cdr.StatP |= STATUS_ROTATING;
928 cdr.Result[0] = cdr.StatP;
934 cdr.StatP = STATUS_ROTATING;
935 cdr.Result[0] = cdr.StatP;
936 cdr.Stat = Acknowledge;
938 AddIrqQueue(CdlInit + 0x20, 0x800);
944 cdr.Result[0] = cdr.StatP;
951 cdr.StatP |= STATUS_ROTATING;
952 cdr.Result[0] = cdr.StatP;
953 cdr.Stat = Acknowledge;
958 cdr.StatP |= STATUS_ROTATING;
959 cdr.Result[0] = cdr.StatP;
960 cdr.Stat = Acknowledge;
965 cdr.StatP |= STATUS_ROTATING;
966 cdr.Result[0] = cdr.StatP;
967 cdr.Stat = Acknowledge;
972 cdr.StatP |= STATUS_ROTATING;
973 cdr.Result[0] = cdr.StatP;
974 cdr.Stat = Acknowledge;
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;
986 cdr.Stat = Acknowledge;
991 for (i = 0; i < 8; i++)
992 cdr.Result[i] = cdr.Transfer[i];
993 cdr.Stat = Acknowledge;
997 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
999 memset( cdr.Result, 0, 16 );
1001 subq = (struct SubQ *)CDR_getBufferSub();
1004 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1006 ReadTrack( cdr.SetSectorPlay );
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);
1014 // subQ integrity check - data only (skip audio)
1015 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
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
1021 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1025 // track # / index #
1026 cdr.Result[0] = itob(cdr.CurTrack);
1027 cdr.Result[1] = itob(fake_subq_index);
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] );
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] );
1040 // redump.org - wipe time
1041 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1042 memset( cdr.Result+2, 0, 6 );
1045 cdr.Stat = Acknowledge;
1049 // 5-Star Racing: don't stop CDDA
1051 // Vib Ribbon: CD swap
1056 cdr.StatP |= STATUS_ROTATING;
1057 cdr.Result[0] = cdr.StatP;
1058 if (CDR_getTN(cdr.ResultTN) == -1) {
1059 cdr.Stat = DiskError;
1060 cdr.Result[0] |= STATUS_ERROR;
1062 cdr.Stat = Acknowledge;
1063 cdr.Result[1] = itob(cdr.ResultTN[0]);
1064 cdr.Result[2] = itob(cdr.ResultTN[1]);
1070 cdr.Track = btoi(cdr.Param[0]);
1072 cdr.StatP |= STATUS_ROTATING;
1073 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1074 cdr.Stat = DiskError;
1075 cdr.Result[0] |= STATUS_ERROR;
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]);
1088 cdr.StatP |= STATUS_ROTATING;
1089 cdr.Result[0] = cdr.StatP;
1090 cdr.StatP |= STATUS_SEEK;
1091 cdr.Stat = Acknowledge;
1094 Crusaders of Might and Magic = 0.5x-4x
1095 - fix cutscene speech start
1097 Eggs of Steel = 2x-?
1101 - fix cutscene speech
1106 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1107 cdr.Seeked = SEEK_DOING_CMD;
1111 cdr.Stat = Acknowledge;
1112 switch (cdr.Param[0]) {
1113 case 0x20: // System Controller ROM Version
1115 memcpy(cdr.Result, Test20, 4);
1119 memcpy(cdr.Result, Test22, 4);
1121 case 0x23: case 0x24:
1123 memcpy(cdr.Result, Test23, 4);
1130 cdr.StatP |= STATUS_ROTATING;
1131 cdr.Result[0] = cdr.StatP;
1132 cdr.Stat = Acknowledge;
1133 AddIrqQueue(CdlID + 0x20, 0x800);
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
1144 if (stat.Type == 2) {
1146 cdr.Result[0] = 0x08;
1147 cdr.Result[1] = 0x10;
1149 cdr.Result[1] |= 0x80;
1153 if (CdromId[0] == '\0') {
1154 cdr.Result[0] = 0x00;
1155 cdr.Result[1] = 0x80;
1158 cdr.Result[0] = 0x08;
1159 cdr.Result[1] = 0x00;
1164 cdr.Result[2] = 0x00;
1165 cdr.Result[3] = 0x00;
1166 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1167 cdr.Stat = Complete;
1172 cdr.StatP = STATUS_ROTATING;
1173 cdr.Result[0] = cdr.StatP;
1174 cdr.Stat = Acknowledge;
1179 cdr.StatP |= STATUS_ROTATING;
1180 cdr.Result[0] = cdr.StatP;
1181 cdr.Stat = Acknowledge;
1182 AddIrqQueue(CdlReadT + 0x20, 0x800);
1185 case CdlReadT + 0x20:
1187 cdr.StatP |= STATUS_ROTATING;
1188 cdr.Result[0] = cdr.StatP;
1189 cdr.Stat = Complete;
1194 cdr.StatP |= STATUS_ROTATING;
1195 cdr.Result[0] = cdr.StatP;
1196 cdr.Stat = Acknowledge;
1197 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1200 case CdlReadToc + 0x20:
1202 cdr.StatP |= STATUS_ROTATING;
1203 cdr.Result[0] = cdr.StatP;
1204 cdr.Stat = Complete;
1209 /* SetResultSize(1);
1215 cdr.Result[0] = cdr.StatP;
1217 */ AddIrqQueue(CdlPause, 0x800);
1221 if (!cdr.Reading) return;
1224 // Fighting Force 2 - update subq time immediately
1226 ReadTrack( cdr.SetSector );
1229 // Crusaders of Might and Magic - update getlocl now
1230 // - fixes cutscene speech
1232 u8 *buf = CDR_getBuffer();
1234 memcpy(cdr.Transfer, buf, 8);
1238 Duke Nukem: Land of the Babes - seek then delay read for one frame
1240 C-12 - Final Resistance - doesn't like seek
1243 if (cdr.Seeked != SEEK_DONE) {
1244 cdr.StatP |= STATUS_SEEK;
1245 cdr.StatP &= ~STATUS_READ;
1247 // Crusaders of Might and Magic - use short time
1248 // - fix cutscene speech (startup)
1250 // ??? - use more accurate seek time later
1251 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1253 cdr.StatP |= STATUS_READ;
1254 cdr.StatP &= ~STATUS_SEEK;
1256 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1260 cdr.StatP |= STATUS_ROTATING;
1261 cdr.Result[0] = cdr.StatP;
1262 cdr.Stat = Acknowledge;
1269 cdr.Stat = Complete;
1278 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1279 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1283 printf("cdrInterrupt() Log: CDR Interrupt IRQ %x: ", Irq);
1284 for (i = 0; i < cdr.ResultC; i++)
1285 printf("%02x ", cdr.Result[i]);
1290 void cdrReadInterrupt() {
1296 if (cdr.Irq || cdr.Stat) {
1302 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1307 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1308 cdr.StatP &= ~STATUS_SEEK;
1309 cdr.Result[0] = cdr.StatP;
1310 cdr.Seeked = SEEK_DONE;
1312 ReadTrack( cdr.SetSector );
1314 buf = CDR_getBuffer();
1318 if (cdr.RErr == -1) {
1320 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1322 memset(cdr.Transfer, 0, DATA_SIZE);
1323 cdr.Stat = DiskError;
1324 cdr.Result[0] |= STATUS_ERROR;
1325 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1329 memcpy(cdr.Transfer, buf, DATA_SIZE);
1330 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1334 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
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];
1344 if ((cdr.Transfer[4 + 2] & 0x4) &&
1345 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1346 (cdr.Transfer[4 + 0] == cdr.File)) {
1347 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1350 // only handle attenuator basic channel switch for now
1351 if (cdr.Xa.stereo) {
1353 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1354 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1356 for (i = 0; i < cdr.Xa.nsamples; i++)
1357 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1359 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1360 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1362 for (i = 0; i < cdr.Xa.nsamples; i++)
1363 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1367 SPU_playADPCMchannel(&cdr.Xa);
1368 cdr.FirstSector = 0;
1371 // Crash Team Racing: music, speech
1372 // - done using cdda decoded buffer (spu irq)
1375 // signal ADPCM data ready
1376 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1379 else cdr.FirstSector = -1;
1384 if (cdr.SetSector[2] == 75) {
1385 cdr.SetSector[2] = 0;
1387 if (cdr.SetSector[1] == 60) {
1388 cdr.SetSector[1] = 0;
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
1399 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1401 // AddIrqQueue(AUTOPAUSE, 0x2000);
1402 AddIrqQueue(CdlPause, 0x2000);
1405 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1409 Croc 2: $40 - only FORM1 (*)
1410 Judge Dredd: $C8 - only FORM1 (*)
1411 Sim Theme Park - no adpcm at all (zero)
1414 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1415 cdr.Stat = DataReady;
1417 // Breath of Fire 3 - fix inn sleeping
1418 // Rockman X5 - no music restart problem
1421 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1428 bit 0 - 0 REG1 command send / 1 REG1 data read
1429 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1433 bit 5 - 1 result ready
1435 bit 7 - 1 command being processed
1438 unsigned char cdrRead0(void) {
1439 if (cdr.ResultReady)
1447 // cdr.Ctrl &= ~0x40;
1449 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1453 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1456 return psxHu8(0x1800) = cdr.Ctrl;
1461 0 - to send a command / 1 - to get the result
1464 void cdrWrite0(unsigned char rt) {
1466 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1468 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1471 unsigned char cdrRead1(void) {
1472 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1473 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1474 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1476 if (cdr.ResultP == cdr.ResultC)
1477 cdr.ResultReady = 0;
1482 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1484 return psxHu8(0x1801);
1487 void cdrWrite1(unsigned char rt) {
1492 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1496 // Tekken: CDXA fade-out
1497 if( (cdr.Ctrl & 3) == 3 ) {
1498 cdr.AttenuatorRight[0] = rt;
1502 // psxHu8(0x1801) = rt;
1507 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1509 SysPrintf(" Param[%d] = {", cdr.ParamC);
1510 for (i = 0; i < cdr.ParamC; i++)
1511 SysPrintf(" %x,", cdr.Param[i]);
1518 if (cdr.Ctrl & 0x3) return;
1520 cdr.ResultReady = 0;
1526 AddIrqQueue(cdr.Cmd, 0x800);
1533 // Twisted Metal 3 - fix music
1534 AddIrqQueue(cdr.Cmd, 0x800);
1539 for (i = 0; i < 3; i++)
1540 set_loc[i] = btoi(cdr.Param[i]);
1542 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1544 cdr.Seeked = SEEK_PENDING;
1546 memcpy(cdr.SetSector, set_loc, 3);
1547 cdr.SetSector[3] = 0;
1551 AddIrqQueue(cdr.Cmd, 0x800);
1555 // Vib Ribbon: try same track again
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);
1569 } else if (!Config.Cdda) {
1570 CDR_play(cdr.SetSector);
1573 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1574 // - fixes ribbon timing + music CD mode
1576 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1581 cdr.StatP |= STATUS_SEEK;
1582 cdr.StatP &= ~STATUS_ROTATING;
1586 AddIrqQueue(cdr.Cmd, 0x800);
1590 //if (cdr.CurTrack < 0xaa)
1594 AddIrqQueue(cdr.Cmd, 0x800);
1598 //if (cdr.CurTrack > 1)
1602 AddIrqQueue(cdr.Cmd, 0x800);
1610 StartReading(1, 0x800);
1618 AddIrqQueue(cdr.Cmd, 0x800);
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];
1631 // grab time for current track
1632 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1634 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1635 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1636 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1644 AddIrqQueue(cdr.Cmd, 0x800);
1649 GameShark CD Player: save time for resume
1651 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1659 AddIrqQueue(cdr.Cmd, 0x800);
1664 cdr.Seeked = SEEK_DONE;
1669 AddIrqQueue(cdr.Cmd, 0x800);
1676 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1688 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1697 cdr.File = cdr.Param[0];
1698 cdr.Channel = cdr.Param[1];
1701 AddIrqQueue(cdr.Cmd, 0x800);
1706 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1708 cdr.Mode = cdr.Param[0];
1711 AddIrqQueue(cdr.Cmd, 0x800);
1713 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1714 // - fixes choppy movie sound
1715 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1722 AddIrqQueue(cdr.Cmd, 0x800);
1729 // Crusaders of Might and Magic - cutscene speech
1730 AddIrqQueue(cdr.Cmd, 0x800);
1737 // GameShark CDX / Lite Player: pretty narrow time window
1738 // - doesn't always work due to time inprecision
1739 //AddIrqQueue(cdr.Cmd, 0x28);
1741 // Tomb Raider 2 - cdda
1742 //AddIrqQueue(cdr.Cmd, 0x40);
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);
1752 //AddIrqQueue(cdr.Cmd, 0x800);
1754 // GameShark CDX CD Player: very long time
1755 AddIrqQueue(cdr.Cmd, 0x100000);
1761 AddIrqQueue(cdr.Cmd, 0x800);
1765 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1768 AddIrqQueue(cdr.Cmd, 0x800);
1776 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1780 // Tomb Raider 2 - reset cdda
1784 AddIrqQueue(cdr.Cmd, 0x800);
1787 // Destruction Derby: read TOC? GetTD after this
1791 AddIrqQueue(cdr.Cmd, 0x800);
1797 AddIrqQueue(cdr.Cmd, 0x800);
1803 AddIrqQueue(cdr.Cmd, 0x800);
1811 StartReading(2, 0x800);
1817 AddIrqQueue(cdr.Cmd, 0x800);
1824 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1828 if (cdr.Stat != NoIntr) {
1829 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1833 unsigned char cdrRead2(void) {
1836 if (cdr.Readed == 0) {
1843 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1848 void cdrWrite2(unsigned char rt) {
1850 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1853 // Tekken: CDXA fade-out
1854 if( (cdr.Ctrl & 3) == 2 ) {
1855 cdr.AttenuatorLeft[0] = rt;
1857 else if( (cdr.Ctrl & 3) == 3 ) {
1858 cdr.AttenuatorRight[1] = rt;
1862 if (cdr.Ctrl & 0x1) {
1867 cdr.ResultReady = 1; //0;
1868 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1875 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1876 cdr.Param[cdr.ParamP++] = rt;
1881 unsigned char cdrRead3(void) {
1884 psxHu8(0x1803) = cdr.Stat | 0xE0;
1886 psxHu8(0x1803) = 0xff;
1891 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1893 return psxHu8(0x1803);
1896 void cdrWrite3(unsigned char rt) {
1898 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1901 // Tekken: CDXA fade-out
1902 if( (cdr.Ctrl & 3) == 2 ) {
1903 cdr.AttenuatorLeft[1] = rt;
1905 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
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] );
1914 // GameShark CDX CD Player: Irq timing mania
1916 cdr.Irq != 0 && cdr.Irq != 0xff &&
1917 cdr.ResultReady == 0 ) {
1919 // GS CDX: ~0x28 cycle timing - way too precise
1920 if( cdr.Irq == CdlGetlocP ) {
1923 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1928 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1931 if (cdr.Irq == 0xff) {
1936 // XA streaming - incorrect timing because of this reschedule
1937 // - Final Fantasy Tactics
1938 // - various other games
1940 if (cdr.Reading && !cdr.ResultReady) {
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;
1943 if (Config.CdrReschedule != 2)
1944 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1945 //printf("-- resched %d -> %d\n", left, time);
1953 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1955 pTransfer = cdr.Transfer;
1957 switch (cdr.Mode & 0x30) {
1958 case MODE_SIZE_2328:
1963 case MODE_SIZE_2340:
1973 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1979 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1985 if (cdr.Readed == 0) {
1987 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1992 cdsize = (bcr & 0xffff) * 4;
1994 // Ape Escape: bcr = 0001 / 0000
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;
2006 ptr = (u8 *)PSXM(madr);
2009 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2015 GS CDX: Enhancement CD crash
2018 - Spams DMA3 and gets buffer overrun
2020 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
2025 memcpy(ptr, pTransfer, size);
2028 psxCpu->Clear(madr, cdsize / 4);
2029 pTransfer += cdsize;
2033 if( chcr == 0x11400100 ) {
2034 CDRDMA_INT( (cdsize/4) / 4 );
2036 else if( chcr == 0x11000000 ) {
2037 CDRDMA_INT( (cdsize/4) * 1 );
2043 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2048 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2052 void cdrDmaInterrupt()
2054 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2056 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2062 memset(&cdr, 0, sizeof(cdr));
2066 pTransfer = cdr.Transfer;
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;
2075 int cdrFreeze(void *f, int Mode) {
2082 gzfreeze(&cdr, sizeof(cdr));
2085 tmp = pTransfer - cdr.Transfer;
2087 gzfreeze(&tmp, sizeof(tmp));
2090 pTransfer = cdr.Transfer + tmp;
2092 if (cdr.Play && !Config.Cdda)
2093 CDR_play(cdr.SetSectorPlay);
2099 void LidInterrupt() {
2100 cdr.LidCheck = 0x20; // start checker
2102 CDRLID_INT( cdReadTime * 3 );
2104 // generate interrupt if none active - open or close
2105 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2108 AddIrqQueue(CdlNop, 0x800);