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 SysPrintf("cdrom: seek stat hack\n");
659 cdr.StatP |= STATUS_ROTATING;
660 cdr.StatP &= ~STATUS_SEEK;
661 cdr.Result[0] = cdr.StatP;
662 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
664 if (cdr.Reg2 != 0x18)
665 psxHu32ref(0x1070) |= SWAP32(0x4);
668 cdr.Seeked = SEEK_PENDING;
669 CDRMISC_INT(cdReadTime * 20); // ???
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);
677 ReadTrack(cdr.SetSector);
681 if (!cdr.Play) return;
684 CDR_LOG( "CDDA - %d:%d:%d\n",
685 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
687 CDRMISC_INT( cdReadTime );
689 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
690 cdrPlayInterrupt_Autopause();
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]++;
705 void cdrInterrupt() {
707 unsigned char Irq = cdr.Irq;
712 SysPrintf("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
723 cdr.StatP |= STATUS_ROTATING;
724 cdr.Result[0] = cdr.StatP;
725 cdr.Stat = Acknowledge;
730 cdr.Result[0] = cdr.StatP;
731 cdr.Stat = Acknowledge;
733 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
739 cdr.StatP |= STATUS_ROTATING;
740 cdr.Result[0] = cdr.StatP;
741 cdr.Stat = Acknowledge;
745 fake_subq_change = 0;
747 if (cdr.Seeked == SEEK_PENDING) {
748 // XXX: wrong, should seek instead..
749 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
750 cdr.Seeked = SEEK_DONE;
754 Rayman: detect track changes
757 Twisted Metal 2: skip PREGAP + starting accurate SubQ
758 - plays tracks without retry play
760 Wild 9: skip PREGAP + starting accurate SubQ
761 - plays tracks without retry play
763 /* unneeded with correct cdriso?
767 ReadTrack( cdr.SetSectorPlay );
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--;
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];
786 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
788 // GameShark CD Player: Resume play
789 if( cdr.ParamC == 0 ) {
791 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
792 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
795 //CDR_play( cdr.SetSectorPlay );
799 // BIOS CD Player: Resume play
800 if( cdr.Param[0] == 0 ) {
802 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
803 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
806 //CDR_play( cdr.SetSectorPlay );
810 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
811 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
814 // BIOS CD Player: Allow track replaying
818 cdr.CurTrack = btoi( cdr.Param[0] );
820 if (CDR_getTN(cdr.ResultTN) != -1) {
822 if (cdr.CurTrack > cdr.ResultTN[1])
823 cdr.CurTrack = cdr.ResultTN[1];
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];
833 ReadTrack( cdr.SetSectorPlay );
835 //CDR_play(cdr.SetSectorPlay);
843 // Vib Ribbon: gameplay checks flag
844 cdr.StatP &= ~STATUS_SEEK;
849 cdr.StatP |= STATUS_ROTATING;
850 cdr.Result[0] = cdr.StatP;
851 cdr.Stat = Acknowledge;
853 cdr.StatP |= STATUS_PLAY;
856 // BIOS player - set flag again
859 CDRMISC_INT( cdReadTime );
865 cdr.StatP |= STATUS_ROTATING;
866 cdr.Result[0] = cdr.StatP;
870 // GameShark CD Player: Calls 2x + Play 2x
871 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
872 else cdr.FastForward++;
874 cdr.FastBackward = 0;
880 cdr.StatP |= STATUS_ROTATING;
881 cdr.Result[0] = cdr.StatP;
885 // GameShark CD Player: Calls 2x + Play 2x
886 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
887 else cdr.FastBackward++;
895 cdr.StatP |= STATUS_ROTATING;
896 cdr.Result[0] = cdr.StatP;
903 cdr.StatP &= ~STATUS_ROTATING;
904 cdr.Result[0] = cdr.StatP;
906 // cdr.Stat = Acknowledge;
908 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
913 cdr.Result[0] = cdr.StatP;
914 cdr.Stat = Acknowledge;
917 Gundam Battle Assault 2: much slower (*)
918 - Fixes boot, gameplay
920 Hokuto no Ken 2: slower
921 - Fixes intro + subtitles
923 InuYasha - Feudal Fairy Tale: slower
926 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
930 case CdlPause + 0x20:
932 cdr.StatP &= ~STATUS_READ;
933 cdr.StatP |= STATUS_ROTATING;
934 cdr.Result[0] = cdr.StatP;
940 cdr.StatP = STATUS_ROTATING;
941 cdr.Result[0] = cdr.StatP;
942 cdr.Stat = Acknowledge;
944 AddIrqQueue(CdlInit + 0x20, 0x800);
950 cdr.Result[0] = cdr.StatP;
957 cdr.StatP |= STATUS_ROTATING;
958 cdr.Result[0] = cdr.StatP;
959 cdr.Stat = Acknowledge;
964 cdr.StatP |= STATUS_ROTATING;
965 cdr.Result[0] = cdr.StatP;
966 cdr.Stat = Acknowledge;
971 cdr.StatP |= STATUS_ROTATING;
972 cdr.Result[0] = cdr.StatP;
973 cdr.Stat = Acknowledge;
978 cdr.StatP |= STATUS_ROTATING;
979 cdr.Result[0] = cdr.StatP;
980 cdr.Stat = Acknowledge;
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;
992 cdr.Stat = Acknowledge;
997 for (i = 0; i < 8; i++)
998 cdr.Result[i] = cdr.Transfer[i];
999 cdr.Stat = Acknowledge;
1003 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1005 memset( cdr.Result, 0, 16 );
1007 subq = (struct SubQ *)CDR_getBufferSub();
1010 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1012 ReadTrack( cdr.SetSectorPlay );
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);
1020 // subQ integrity check - data only (skip audio)
1021 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
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
1027 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1031 // track # / index #
1032 cdr.Result[0] = itob(cdr.CurTrack);
1033 cdr.Result[1] = itob(fake_subq_index);
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] );
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] );
1046 // redump.org - wipe time
1047 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1048 memset( cdr.Result+2, 0, 6 );
1051 cdr.Stat = Acknowledge;
1055 // 5-Star Racing: don't stop CDDA
1057 // Vib Ribbon: CD swap
1062 cdr.StatP |= STATUS_ROTATING;
1063 cdr.Result[0] = cdr.StatP;
1064 if (CDR_getTN(cdr.ResultTN) == -1) {
1065 cdr.Stat = DiskError;
1066 cdr.Result[0] |= STATUS_ERROR;
1068 cdr.Stat = Acknowledge;
1069 cdr.Result[1] = itob(cdr.ResultTN[0]);
1070 cdr.Result[2] = itob(cdr.ResultTN[1]);
1076 cdr.Track = btoi(cdr.Param[0]);
1078 cdr.StatP |= STATUS_ROTATING;
1079 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1080 cdr.Stat = DiskError;
1081 cdr.Result[0] |= STATUS_ERROR;
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]);
1094 cdr.StatP |= STATUS_ROTATING;
1095 cdr.Result[0] = cdr.StatP;
1096 cdr.StatP |= STATUS_SEEK;
1097 cdr.Stat = Acknowledge;
1100 Crusaders of Might and Magic = 0.5x-4x
1101 - fix cutscene speech start
1103 Eggs of Steel = 2x-?
1107 - fix cutscene speech
1112 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1113 cdr.Seeked = SEEK_DOING_CMD;
1117 cdr.Stat = Acknowledge;
1118 switch (cdr.Param[0]) {
1119 case 0x20: // System Controller ROM Version
1121 memcpy(cdr.Result, Test20, 4);
1125 memcpy(cdr.Result, Test22, 4);
1127 case 0x23: case 0x24:
1129 memcpy(cdr.Result, Test23, 4);
1136 cdr.StatP |= STATUS_ROTATING;
1137 cdr.Result[0] = cdr.StatP;
1138 cdr.Stat = Acknowledge;
1139 AddIrqQueue(CdlID + 0x20, 0x800);
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
1150 if (stat.Type == 2) {
1152 cdr.Result[0] = 0x08;
1153 cdr.Result[1] = 0x10;
1155 cdr.Result[1] |= 0x80;
1159 if (CdromId[0] == '\0') {
1160 cdr.Result[0] = 0x00;
1161 cdr.Result[1] = 0x80;
1164 cdr.Result[0] = 0x08;
1165 cdr.Result[1] = 0x00;
1170 cdr.Result[2] = 0x00;
1171 cdr.Result[3] = 0x00;
1172 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1173 cdr.Stat = Complete;
1178 cdr.StatP = STATUS_ROTATING;
1179 cdr.Result[0] = cdr.StatP;
1180 cdr.Stat = Acknowledge;
1185 cdr.StatP |= STATUS_ROTATING;
1186 cdr.Result[0] = cdr.StatP;
1187 cdr.Stat = Acknowledge;
1188 AddIrqQueue(CdlReadT + 0x20, 0x800);
1191 case CdlReadT + 0x20:
1193 cdr.StatP |= STATUS_ROTATING;
1194 cdr.Result[0] = cdr.StatP;
1195 cdr.Stat = Complete;
1200 cdr.StatP |= STATUS_ROTATING;
1201 cdr.Result[0] = cdr.StatP;
1202 cdr.Stat = Acknowledge;
1203 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1206 case CdlReadToc + 0x20:
1208 cdr.StatP |= STATUS_ROTATING;
1209 cdr.Result[0] = cdr.StatP;
1210 cdr.Stat = Complete;
1215 /* SetResultSize(1);
1221 cdr.Result[0] = cdr.StatP;
1223 */ AddIrqQueue(CdlPause, 0x800);
1227 if (!cdr.Reading) return;
1230 // Fighting Force 2 - update subq time immediately
1232 ReadTrack( cdr.SetSector );
1235 // Crusaders of Might and Magic - update getlocl now
1236 // - fixes cutscene speech
1238 u8 *buf = CDR_getBuffer();
1240 memcpy(cdr.Transfer, buf, 8);
1244 Duke Nukem: Land of the Babes - seek then delay read for one frame
1246 C-12 - Final Resistance - doesn't like seek
1249 if (cdr.Seeked != SEEK_DONE) {
1250 cdr.StatP |= STATUS_SEEK;
1251 cdr.StatP &= ~STATUS_READ;
1253 // Crusaders of Might and Magic - use short time
1254 // - fix cutscene speech (startup)
1256 // ??? - use more accurate seek time later
1257 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1259 cdr.StatP |= STATUS_READ;
1260 cdr.StatP &= ~STATUS_SEEK;
1262 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1266 cdr.StatP |= STATUS_ROTATING;
1267 cdr.Result[0] = cdr.StatP;
1268 cdr.Stat = Acknowledge;
1275 cdr.Stat = Complete;
1284 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1285 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1289 printf("cdrInterrupt() Log: CDR Interrupt IRQ %x: ", Irq);
1290 for (i = 0; i < cdr.ResultC; i++)
1291 printf("%02x ", cdr.Result[i]);
1296 void cdrReadInterrupt() {
1302 if (cdr.Irq || cdr.Stat) {
1303 SysPrintf("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1309 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1314 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1315 cdr.StatP &= ~STATUS_SEEK;
1316 cdr.Result[0] = cdr.StatP;
1317 cdr.Seeked = SEEK_DONE;
1319 ReadTrack( cdr.SetSector );
1321 buf = CDR_getBuffer();
1325 if (cdr.RErr == -1) {
1327 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1329 memset(cdr.Transfer, 0, DATA_SIZE);
1330 cdr.Stat = DiskError;
1331 cdr.Result[0] |= STATUS_ERROR;
1332 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1336 memcpy(cdr.Transfer, buf, DATA_SIZE);
1337 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1341 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
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];
1351 if ((cdr.Transfer[4 + 2] & 0x4) &&
1352 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1353 (cdr.Transfer[4 + 0] == cdr.File)) {
1354 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1357 // only handle attenuator basic channel switch for now
1358 if (cdr.Xa.stereo) {
1360 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1361 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1363 for (i = 0; i < cdr.Xa.nsamples; i++)
1364 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1366 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1367 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1369 for (i = 0; i < cdr.Xa.nsamples; i++)
1370 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1374 SPU_playADPCMchannel(&cdr.Xa);
1375 cdr.FirstSector = 0;
1378 // Crash Team Racing: music, speech
1379 // - done using cdda decoded buffer (spu irq)
1382 // signal ADPCM data ready
1383 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1386 else cdr.FirstSector = -1;
1391 if (cdr.SetSector[2] == 75) {
1392 cdr.SetSector[2] = 0;
1394 if (cdr.SetSector[1] == 60) {
1395 cdr.SetSector[1] = 0;
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
1406 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1408 // AddIrqQueue(AUTOPAUSE, 0x2000);
1409 AddIrqQueue(CdlPause, 0x2000);
1412 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1416 Croc 2: $40 - only FORM1 (*)
1417 Judge Dredd: $C8 - only FORM1 (*)
1418 Sim Theme Park - no adpcm at all (zero)
1421 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1422 cdr.Stat = DataReady;
1424 // Breath of Fire 3 - fix inn sleeping
1425 // Rockman X5 - no music restart problem
1428 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1435 bit 0 - 0 REG1 command send / 1 REG1 data read
1436 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1440 bit 5 - 1 result ready
1442 bit 7 - 1 command being processed
1445 unsigned char cdrRead0(void) {
1446 if (cdr.ResultReady)
1454 // cdr.Ctrl &= ~0x40;
1456 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1460 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1463 return psxHu8(0x1800) = cdr.Ctrl;
1468 0 - to send a command / 1 - to get the result
1471 void cdrWrite0(unsigned char rt) {
1473 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1475 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1478 unsigned char cdrRead1(void) {
1479 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1480 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1481 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1483 if (cdr.ResultP == cdr.ResultC)
1484 cdr.ResultReady = 0;
1489 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1491 return psxHu8(0x1801);
1494 void cdrWrite1(unsigned char rt) {
1499 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1503 // Tekken: CDXA fade-out
1504 if( (cdr.Ctrl & 3) == 3 ) {
1505 cdr.AttenuatorRight[0] = rt;
1509 // psxHu8(0x1801) = rt;
1514 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1516 SysPrintf(" Param[%d] = {", cdr.ParamC);
1517 for (i = 0; i < cdr.ParamC; i++)
1518 SysPrintf(" %x,", cdr.Param[i]);
1525 if (cdr.Ctrl & 0x3) return;
1527 cdr.ResultReady = 0;
1533 AddIrqQueue(cdr.Cmd, 0x800);
1540 // Twisted Metal 3 - fix music
1541 AddIrqQueue(cdr.Cmd, 0x800);
1546 for (i = 0; i < 3; i++)
1547 set_loc[i] = btoi(cdr.Param[i]);
1549 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1551 cdr.Seeked = SEEK_PENDING;
1553 memcpy(cdr.SetSector, set_loc, 3);
1554 cdr.SetSector[3] = 0;
1558 AddIrqQueue(cdr.Cmd, 0x800);
1562 // Vib Ribbon: try same track again
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);
1576 } else if (!Config.Cdda) {
1577 CDR_play(cdr.SetSector);
1580 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1581 // - fixes ribbon timing + music CD mode
1583 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1588 cdr.StatP |= STATUS_SEEK;
1589 cdr.StatP &= ~STATUS_ROTATING;
1593 AddIrqQueue(cdr.Cmd, 0x800);
1597 //if (cdr.CurTrack < 0xaa)
1601 AddIrqQueue(cdr.Cmd, 0x800);
1605 //if (cdr.CurTrack > 1)
1609 AddIrqQueue(cdr.Cmd, 0x800);
1617 StartReading(1, 0x800);
1625 AddIrqQueue(cdr.Cmd, 0x800);
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];
1638 // grab time for current track
1639 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1641 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1642 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1643 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1651 AddIrqQueue(cdr.Cmd, 0x800);
1656 GameShark CD Player: save time for resume
1658 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1666 AddIrqQueue(cdr.Cmd, 0x800);
1671 cdr.Seeked = SEEK_DONE;
1676 AddIrqQueue(cdr.Cmd, 0x800);
1683 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1695 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1704 cdr.File = cdr.Param[0];
1705 cdr.Channel = cdr.Param[1];
1708 AddIrqQueue(cdr.Cmd, 0x800);
1713 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1715 cdr.Mode = cdr.Param[0];
1718 AddIrqQueue(cdr.Cmd, 0x800);
1720 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1721 // - fixes choppy movie sound
1722 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1729 AddIrqQueue(cdr.Cmd, 0x800);
1736 // Crusaders of Might and Magic - cutscene speech
1737 AddIrqQueue(cdr.Cmd, 0x800);
1744 // GameShark CDX / Lite Player: pretty narrow time window
1745 // - doesn't always work due to time inprecision
1746 //AddIrqQueue(cdr.Cmd, 0x28);
1748 // Tomb Raider 2 - cdda
1749 //AddIrqQueue(cdr.Cmd, 0x40);
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);
1759 //AddIrqQueue(cdr.Cmd, 0x800);
1761 // GameShark CDX CD Player: very long time
1762 AddIrqQueue(cdr.Cmd, 0x100000);
1768 AddIrqQueue(cdr.Cmd, 0x800);
1772 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1775 AddIrqQueue(cdr.Cmd, 0x800);
1783 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1787 // Tomb Raider 2 - reset cdda
1791 AddIrqQueue(cdr.Cmd, 0x800);
1794 // Destruction Derby: read TOC? GetTD after this
1798 AddIrqQueue(cdr.Cmd, 0x800);
1804 AddIrqQueue(cdr.Cmd, 0x800);
1810 AddIrqQueue(cdr.Cmd, 0x800);
1818 StartReading(2, 0x800);
1824 AddIrqQueue(cdr.Cmd, 0x800);
1831 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1835 if (cdr.Stat != NoIntr) {
1836 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1840 unsigned char cdrRead2(void) {
1843 if (cdr.Readed == 0) {
1850 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1855 void cdrWrite2(unsigned char rt) {
1857 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1860 // Tekken: CDXA fade-out
1861 if( (cdr.Ctrl & 3) == 2 ) {
1862 cdr.AttenuatorLeft[0] = rt;
1864 else if( (cdr.Ctrl & 3) == 3 ) {
1865 cdr.AttenuatorRight[1] = rt;
1869 if (cdr.Ctrl & 0x1) {
1874 cdr.ResultReady = 1; //0;
1875 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1882 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1883 cdr.Param[cdr.ParamP++] = rt;
1888 unsigned char cdrRead3(void) {
1891 psxHu8(0x1803) = cdr.Stat | 0xE0;
1893 psxHu8(0x1803) = 0xff;
1898 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1900 return psxHu8(0x1803);
1903 void cdrWrite3(unsigned char rt) {
1905 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1908 // Tekken: CDXA fade-out
1909 if( (cdr.Ctrl & 3) == 2 ) {
1910 cdr.AttenuatorLeft[1] = rt;
1912 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
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] );
1921 // GameShark CDX CD Player: Irq timing mania
1923 cdr.Irq != 0 && cdr.Irq != 0xff &&
1924 cdr.ResultReady == 0 ) {
1926 // GS CDX: ~0x28 cycle timing - way too precise
1927 if( cdr.Irq == CdlGetlocP ) {
1930 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1935 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1938 if (cdr.Irq == 0xff) {
1943 // XA streaming - incorrect timing because of this reschedule
1944 // - Final Fantasy Tactics
1945 // - various other games
1947 if (cdr.Reading && !cdr.ResultReady) {
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;
1950 if (Config.CdrReschedule != 2)
1951 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1952 //printf("-- resched %d -> %d\n", left, time);
1960 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1962 pTransfer = cdr.Transfer;
1964 switch (cdr.Mode & 0x30) {
1965 case MODE_SIZE_2328:
1970 case MODE_SIZE_2340:
1980 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1986 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1992 if (cdr.Readed == 0) {
1994 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1999 cdsize = (bcr & 0xffff) * 4;
2001 // Ape Escape: bcr = 0001 / 0000
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;
2013 ptr = (u8 *)PSXM(madr);
2016 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2022 GS CDX: Enhancement CD crash
2025 - Spams DMA3 and gets buffer overrun
2027 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
2032 memcpy(ptr, pTransfer, size);
2035 psxCpu->Clear(madr, cdsize / 4);
2036 pTransfer += cdsize;
2040 if( chcr == 0x11400100 ) {
2041 CDRDMA_INT( (cdsize/4) / 4 );
2043 else if( chcr == 0x11000000 ) {
2044 CDRDMA_INT( (cdsize/4) * 1 );
2050 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2055 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2059 void cdrDmaInterrupt()
2061 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2063 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2069 memset(&cdr, 0, sizeof(cdr));
2073 pTransfer = cdr.Transfer;
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;
2082 int cdrFreeze(void *f, int Mode) {
2089 gzfreeze(&cdr, sizeof(cdr));
2092 tmp = pTransfer - cdr.Transfer;
2094 gzfreeze(&tmp, sizeof(tmp));
2097 pTransfer = cdr.Transfer + tmp;
2099 if (cdr.Play && !Config.Cdda)
2100 CDR_play(cdr.SetSectorPlay);
2106 void LidInterrupt() {
2107 cdr.LidCheck = 0x20; // start checker
2109 CDRLID_INT( cdReadTime * 3 );
2111 // generate interrupt if none active - open or close
2112 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2115 AddIrqQueue(CdlNop, 0x800);