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 char *CmdName[0x100]= {
82 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
83 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
84 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
85 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
86 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
87 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
88 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
89 "CdlReset", NULL, "CDlReadToc", NULL
92 unsigned char Test04[] = { 0 };
93 unsigned char Test05[] = { 0 };
94 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
95 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
96 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
102 #define Acknowledge 3
107 #define MODE_SPEED (1<<7) // 0x80
108 #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
109 #define MODE_SIZE_2340 (1<<5) // 0x20
110 #define MODE_SIZE_2328 (1<<4) // 0x10
111 #define MODE_SF (1<<3) // 0x08 channel on/off
112 #define MODE_REPORT (1<<2) // 0x04
113 #define MODE_AUTOPAUSE (1<<1) // 0x02
114 #define MODE_CDDA (1<<0) // 0x01
117 #define STATUS_PLAY (1<<7) // 0x80
118 #define STATUS_SEEK (1<<6) // 0x40
119 #define STATUS_READ (1<<5) // 0x20
120 #define STATUS_SHELLOPEN (1<<4) // 0x10
121 #define STATUS_UNKNOWN3 (1<<3) // 0x08
122 #define STATUS_UNKNOWN2 (1<<2) // 0x04
123 #define STATUS_ROTATING (1<<1) // 0x02
124 #define STATUS_ERROR (1<<0) // 0x01
128 // 1x = 75 sectors per second
129 // PSXCLK = 1 sec in the ps
130 // so (PSXCLK / 75) = cdr read time (linuzappz)
131 #define cdReadTime (PSXCLK / 75)
140 static struct CdrStat stat;
142 static unsigned int msf2sec(u8 *msf) {
143 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
146 static void sec2msf(unsigned int s, u8 *msf) {
147 msf[0] = s / 75 / 60;
148 s = s - msf[0] * 75 * 60;
155 #define CDR_INT(eCycle) { \
156 psxRegs.interrupt |= (1 << PSXINT_CDR); \
157 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
158 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
159 new_dyna_set_event(PSXINT_CDR, eCycle); \
163 #define CDREAD_INT(eCycle) { \
164 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
165 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
166 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
167 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
170 // cdrLidSeekInterrupt
171 #define CDRLID_INT(eCycle) { \
172 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
173 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
174 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
175 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
179 #define CDRMISC_INT(eCycle) { \
180 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
181 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
182 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
183 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
186 #define StopReading() { \
189 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
191 cdr.StatP &= ~STATUS_READ;\
194 #define StopCdda() { \
196 if (!Config.Cdda) CDR_stop(); \
197 cdr.StatP &= ~STATUS_PLAY; \
199 cdr.FastForward = 0; \
200 cdr.FastBackward = 0; \
201 /*SPU_registerCallback( SPUirq );*/ \
205 #define SetResultSize(size) { \
207 cdr.ResultC = size; \
208 cdr.ResultReady = 1; \
211 static void setIrq(void)
213 if (cdr.Stat & cdr.Reg2)
214 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
217 void cdrLidSeekInterrupt()
219 // turn back on checking
220 if( cdr.LidCheck == 0x10 )
225 // official lid close
226 else if( cdr.LidCheck == 0x30 )
229 cdr.StatP |= STATUS_ROTATING;
232 // GS CDX 3.3 - ~50 getlocp tries
233 CDRLID_INT( cdReadTime * 3 );
238 else if( cdr.LidCheck == 0x40 )
241 cdr.StatP &= ~STATUS_SHELLOPEN;
242 cdr.StatP &= ~STATUS_ROTATING;
245 // GS CDX 3.3 - ~50 getlocp tries
246 CDRLID_INT( cdReadTime * 3 );
251 else if( cdr.LidCheck == 0x50 )
253 // GameShark Lite: Start seeking ($42)
254 cdr.StatP |= STATUS_SEEK;
255 cdr.StatP |= STATUS_ROTATING;
256 cdr.StatP &= ~STATUS_ERROR;
259 CDRLID_INT( cdReadTime * 3 );
264 else if( cdr.LidCheck == 0x60 )
266 // GameShark Lite: Seek detection done ($02)
267 cdr.StatP &= ~STATUS_SEEK;
273 static void Check_Shell( int Irq )
275 // check case open/close
276 if (cdr.LidCheck > 0)
278 CDR_LOG( "LidCheck\n" );
280 // $20 = check lid state
281 if( cdr.LidCheck == 0x20 )
286 if (CDR_getStatus(&stat) != -1)
288 // BIOS hangs + BIOS error messages
289 //if (stat.Type == 0xff)
290 //cdr.Stat = DiskError;
293 if (stat.Status & STATUS_SHELLOPEN)
295 // Vib Ribbon: pre-CD swap
299 // GameShark Lite: Death if DiskError happens
301 // Vib Ribbon: Needs DiskError for CD swap
305 cdr.Stat = DiskError;
307 cdr.StatP |= STATUS_ERROR;
308 cdr.Result[0] |= STATUS_ERROR;
311 // GameShark Lite: Wants -exactly- $10
312 cdr.StatP |= STATUS_SHELLOPEN;
313 cdr.StatP &= ~STATUS_ROTATING;
316 CDRLID_INT( cdReadTime * 3 );
324 else if ( i & STATUS_SHELLOPEN )
326 cdr.StatP |= STATUS_ROTATING;
331 if( cdr.Stat == NoIntr )
332 cdr.Stat = Acknowledge;
336 // begin close-seek-ready cycle
337 CDRLID_INT( cdReadTime * 3 );
341 // GameShark Lite: Wants -exactly- $42, then $02
342 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
345 // case still closed - wait for recheck
348 CDRLID_INT( cdReadTime * 3 );
355 // GS CDX: clear all values but #1,#2
356 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
359 memset( cdr.Result, 0, 16 );
361 cdr.Result[0] = cdr.StatP;
364 // GS CDX: special return value
365 if( cdr.StatP & STATUS_SHELLOPEN )
367 cdr.Result[1] = 0x80;
371 if( cdr.Stat == NoIntr )
372 cdr.Stat = Acknowledge;
379 void Find_CurTrack() {
382 if (CDR_getTN(cdr.ResultTN) != -1) {
385 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
386 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
389 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
390 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
391 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
394 // find next track boundary - only need m:s accuracy
395 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
396 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
398 // Twisted Metal 4 - psx cdda pregap (2-sec)
399 // - fix in-game music
402 if( sect1 >= sect2 ) {
413 static void ReadTrack( u8 *time ) {
414 cdr.Prev[0] = itob( time[0] );
415 cdr.Prev[1] = itob( time[1] );
416 cdr.Prev[2] = itob( time[2] );
418 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) {
425 CDR_LOG_I("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) {
441 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
442 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
443 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
446 // check if time matches track start (only need min, sec accuracy)
448 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
449 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
450 // skip pregap frames
451 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
452 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
456 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
464 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
465 static void Create_Fake_Subq()
467 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
470 if (CDR_getTN(cdr.ResultTN) == -1) return;
471 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
473 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
475 // last track - cd size
477 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
480 if( cdr.Play == TRUE ) {
481 temp_cur[0] = cdr.SetSectorPlay[0];
482 temp_cur[1] = cdr.SetSectorPlay[1];
483 temp_cur[2] = cdr.SetSectorPlay[2];
485 temp_cur[0] = btoi( cdr.Prev[0] );
486 temp_cur[1] = btoi( cdr.Prev[1] );
487 temp_cur[2] = btoi( cdr.Prev[2] );
490 fake_subq_real[0] = temp_cur[0];
491 fake_subq_real[1] = temp_cur[1];
492 fake_subq_real[2] = temp_cur[2];
494 temp_next[0] = cdr.ResultTD[2];
495 temp_next[1] = cdr.ResultTD[1];
496 temp_next[2] = cdr.ResultTD[0];
500 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
501 fake_subq_change = 1;
506 if( pregap == 0 ) StopCdda();
509 //////////////////////////////////////////////////
510 //////////////////////////////////////////////////
513 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
514 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
516 // last track - cd size
517 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
520 temp_start[0] = cdr.ResultTD[2];
521 temp_start[1] = cdr.ResultTD[1];
522 temp_start[2] = cdr.ResultTD[0];
525 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
526 temp_cur[0], temp_cur[1], temp_cur[2],
527 temp_start[0], temp_start[1], temp_start[2],
528 temp_next[0], temp_next[1], temp_next[2]);
532 // local time - pregap / real
533 diff = msf2sec(temp_cur) - msf2sec( temp_start );
537 sec2msf( -diff, fake_subq_local );
541 sec2msf( diff, fake_subq_local );
546 static void cdrPlayInterrupt_Autopause()
548 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
549 int track_changed = 0;
552 ReadTrack( cdr.SetSectorPlay );
554 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
555 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
560 Silhouette Mirage ($3)
564 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
565 // (how does real thing handle those?)
566 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
570 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
571 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
573 track_changed = fake_subq_change;
574 fake_subq_change = 0;
577 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
578 CDR_LOG( "CDDA STOP\n" );
580 // Magic the Gathering
581 // - looping territory cdda
584 //cdr.ResultReady = 1;
585 //cdr.Stat = DataReady;
591 else if (cdr.Mode & MODE_REPORT) {
593 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
594 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
596 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
597 //cdr.CurTrack = btoi( subq->TrackNumber );
599 if (subq->AbsoluteAddress[2] & 0xf)
602 cdr.Result[0] = cdr.StatP;
603 // BIOS CD Player: data already BCD format
604 cdr.Result[1] = subq->TrackNumber;
605 cdr.Result[2] = subq->IndexNumber;
607 cdr.Result[3] = subq->AbsoluteAddress[0];
608 cdr.Result[4] = subq->AbsoluteAddress[1];
609 cdr.Result[5] = subq->AbsoluteAddress[2];
611 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
612 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
614 if (fake_subq_real[2] & 0xf)
617 cdr.Result[0] = cdr.StatP;
619 cdr.Result[1] = itob(cdr.CurTrack);
620 cdr.Result[2] = itob(fake_subq_index);
622 cdr.Result[3] = itob( fake_subq_real[0] );
623 cdr.Result[4] = itob( fake_subq_real[1] );
624 cdr.Result[5] = itob( fake_subq_real[2] );
627 // Rayman: Logo freeze (resultready + dataready)
629 cdr.Stat = DataReady;
637 void cdrPlayInterrupt()
639 if (cdr.Seeked == SEEK_DOING_CMD) {
641 CDR_LOG_I("cdrom: seek stat hack\n");
646 cdr.StatP |= STATUS_ROTATING;
647 cdr.StatP &= ~STATUS_SEEK;
648 cdr.Result[0] = cdr.StatP;
654 cdr.Seeked = SEEK_PENDING;
655 CDRMISC_INT(cdReadTime * 20); // ???
658 else if (cdr.Seeked == SEEK_PENDING) {
659 cdr.Seeked = SEEK_DONE;
660 if (!cdr.Play && !cdr.Reading) {
661 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
663 ReadTrack(cdr.SetSector);
667 if (!cdr.Play) return;
669 CDR_LOG( "CDDA - %d:%d:%d\n",
670 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
672 CDRMISC_INT( cdReadTime );
674 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
675 cdrPlayInterrupt_Autopause();
677 cdr.SetSectorPlay[2]++;
678 if (cdr.SetSectorPlay[2] == 75) {
679 cdr.SetSectorPlay[2] = 0;
680 cdr.SetSectorPlay[1]++;
681 if (cdr.SetSectorPlay[1] == 60) {
682 cdr.SetSectorPlay[1] = 0;
683 cdr.SetSectorPlay[0]++;
690 void cdrInterrupt() {
692 unsigned char Irq = cdr.Irq;
697 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
708 cdr.StatP |= STATUS_ROTATING;
709 cdr.Result[0] = cdr.StatP;
710 cdr.Stat = Acknowledge;
715 cdr.Result[0] = cdr.StatP;
716 cdr.Stat = Acknowledge;
718 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
724 cdr.StatP |= STATUS_ROTATING;
725 cdr.Result[0] = cdr.StatP;
726 cdr.Stat = Acknowledge;
730 fake_subq_change = 0;
732 if (cdr.Seeked == SEEK_PENDING) {
733 // XXX: wrong, should seek instead..
734 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
735 cdr.Seeked = SEEK_DONE;
739 Rayman: detect track changes
742 Twisted Metal 2: skip PREGAP + starting accurate SubQ
743 - plays tracks without retry play
745 Wild 9: skip PREGAP + starting accurate SubQ
746 - plays tracks without retry play
748 /* unneeded with correct cdriso?
752 ReadTrack( cdr.SetSectorPlay );
754 // GameShark CD Player: Calls 2x + Play 2x
755 if( cdr.FastBackward || cdr.FastForward ) {
756 if( cdr.FastForward ) cdr.FastForward--;
757 if( cdr.FastBackward ) cdr.FastBackward--;
759 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
760 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
761 cdr.SetSectorPlay[0] = stat.Time[0];
762 cdr.SetSectorPlay[1] = stat.Time[1];
763 cdr.SetSectorPlay[2] = stat.Time[2];
771 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
773 // GameShark CD Player: Resume play
774 if( cdr.ParamC == 0 ) {
775 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
776 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
778 //CDR_play( cdr.SetSectorPlay );
782 // BIOS CD Player: Resume play
783 if( cdr.Param[0] == 0 ) {
784 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
785 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
787 //CDR_play( cdr.SetSectorPlay );
790 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
791 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
793 // BIOS CD Player: Allow track replaying
797 cdr.CurTrack = btoi( cdr.Param[0] );
799 if (CDR_getTN(cdr.ResultTN) != -1) {
801 if (cdr.CurTrack > cdr.ResultTN[1])
802 cdr.CurTrack = cdr.ResultTN[1];
804 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
805 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
806 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
807 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
812 ReadTrack( cdr.SetSectorPlay );
814 //CDR_play(cdr.SetSectorPlay);
822 // Vib Ribbon: gameplay checks flag
823 cdr.StatP &= ~STATUS_SEEK;
828 cdr.StatP |= STATUS_ROTATING;
829 cdr.Result[0] = cdr.StatP;
830 cdr.Stat = Acknowledge;
832 cdr.StatP |= STATUS_PLAY;
835 // BIOS player - set flag again
838 CDRMISC_INT( cdReadTime );
844 cdr.StatP |= STATUS_ROTATING;
845 cdr.Result[0] = cdr.StatP;
849 // GameShark CD Player: Calls 2x + Play 2x
850 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
851 else cdr.FastForward++;
853 cdr.FastBackward = 0;
859 cdr.StatP |= STATUS_ROTATING;
860 cdr.Result[0] = cdr.StatP;
864 // GameShark CD Player: Calls 2x + Play 2x
865 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
866 else cdr.FastBackward++;
874 cdr.StatP |= STATUS_ROTATING;
875 cdr.Result[0] = cdr.StatP;
882 cdr.StatP &= ~STATUS_ROTATING;
883 cdr.Result[0] = cdr.StatP;
885 // cdr.Stat = Acknowledge;
887 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
892 cdr.Result[0] = cdr.StatP;
893 cdr.Stat = Acknowledge;
896 Gundam Battle Assault 2: much slower (*)
897 - Fixes boot, gameplay
899 Hokuto no Ken 2: slower
900 - Fixes intro + subtitles
902 InuYasha - Feudal Fairy Tale: slower
905 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
909 case CdlPause + 0x20:
911 cdr.StatP &= ~STATUS_READ;
912 cdr.StatP |= STATUS_ROTATING;
913 cdr.Result[0] = cdr.StatP;
919 cdr.StatP = STATUS_ROTATING;
920 cdr.Result[0] = cdr.StatP;
921 cdr.Stat = Acknowledge;
923 AddIrqQueue(CdlInit + 0x20, 0x800);
929 cdr.Result[0] = cdr.StatP;
936 cdr.StatP |= STATUS_ROTATING;
937 cdr.Result[0] = cdr.StatP;
938 cdr.Stat = Acknowledge;
943 cdr.StatP |= STATUS_ROTATING;
944 cdr.Result[0] = cdr.StatP;
945 cdr.Stat = Acknowledge;
950 cdr.StatP |= STATUS_ROTATING;
951 cdr.Result[0] = cdr.StatP;
952 cdr.Stat = Acknowledge;
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.Result[1] = cdr.Mode;
967 cdr.Result[2] = cdr.File;
968 cdr.Result[3] = cdr.Channel;
971 cdr.Stat = Acknowledge;
976 for (i = 0; i < 8; i++)
977 cdr.Result[i] = cdr.Transfer[i];
978 cdr.Stat = Acknowledge;
982 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
984 memset( cdr.Result, 0, 16 );
986 subq = (struct SubQ *)CDR_getBufferSub();
989 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
991 ReadTrack( cdr.SetSectorPlay );
993 cdr.Result[0] = subq->TrackNumber;
994 cdr.Result[1] = subq->IndexNumber;
995 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
996 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
999 // subQ integrity check - data only (skip audio)
1000 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
1001 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
1002 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
1006 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1010 // track # / index #
1011 cdr.Result[0] = itob(cdr.CurTrack);
1012 cdr.Result[1] = itob(fake_subq_index);
1015 cdr.Result[2] = itob( fake_subq_local[0] );
1016 cdr.Result[3] = itob( fake_subq_local[1] );
1017 cdr.Result[4] = itob( fake_subq_local[2] );
1020 cdr.Result[5] = itob( fake_subq_real[0] );
1021 cdr.Result[6] = itob( fake_subq_real[1] );
1022 cdr.Result[7] = itob( fake_subq_real[2] );
1025 // redump.org - wipe time
1026 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1027 memset( cdr.Result+2, 0, 6 );
1030 cdr.Stat = Acknowledge;
1034 // 5-Star Racing: don't stop CDDA
1036 // Vib Ribbon: CD swap
1041 cdr.StatP |= STATUS_ROTATING;
1042 cdr.Result[0] = cdr.StatP;
1043 if (CDR_getTN(cdr.ResultTN) == -1) {
1044 cdr.Stat = DiskError;
1045 cdr.Result[0] |= STATUS_ERROR;
1047 cdr.Stat = Acknowledge;
1048 cdr.Result[1] = itob(cdr.ResultTN[0]);
1049 cdr.Result[2] = itob(cdr.ResultTN[1]);
1055 cdr.Track = btoi(cdr.Param[0]);
1057 cdr.StatP |= STATUS_ROTATING;
1058 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1059 cdr.Stat = DiskError;
1060 cdr.Result[0] |= STATUS_ERROR;
1062 cdr.Stat = Acknowledge;
1063 cdr.Result[0] = cdr.StatP;
1064 cdr.Result[1] = itob(cdr.ResultTD[2]);
1065 cdr.Result[2] = itob(cdr.ResultTD[1]);
1066 cdr.Result[3] = itob(cdr.ResultTD[0]);
1073 cdr.StatP |= STATUS_ROTATING;
1074 cdr.Result[0] = cdr.StatP;
1075 cdr.StatP |= STATUS_SEEK;
1076 cdr.Stat = Acknowledge;
1079 Crusaders of Might and Magic = 0.5x-4x
1080 - fix cutscene speech start
1082 Eggs of Steel = 2x-?
1086 - fix cutscene speech
1091 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1092 cdr.Seeked = SEEK_DOING_CMD;
1096 cdr.Stat = Acknowledge;
1097 switch (cdr.Param[0]) {
1098 case 0x20: // System Controller ROM Version
1100 memcpy(cdr.Result, Test20, 4);
1104 memcpy(cdr.Result, Test22, 4);
1106 case 0x23: case 0x24:
1108 memcpy(cdr.Result, Test23, 4);
1115 cdr.StatP |= STATUS_ROTATING;
1116 cdr.Result[0] = cdr.StatP;
1117 cdr.Stat = Acknowledge;
1118 AddIrqQueue(CdlID + 0x20, 0x800);
1124 if (CDR_getStatus(&stat) == -1) {
1125 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1126 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1129 if (stat.Type == 2) {
1131 cdr.Result[0] = 0x08;
1132 cdr.Result[1] = 0x10;
1134 cdr.Result[1] |= 0x80;
1138 if (CdromId[0] == '\0') {
1139 cdr.Result[0] = 0x00;
1140 cdr.Result[1] = 0x80;
1143 cdr.Result[0] = 0x08;
1144 cdr.Result[1] = 0x00;
1149 cdr.Result[2] = 0x00;
1150 cdr.Result[3] = 0x00;
1151 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1152 cdr.Stat = Complete;
1157 cdr.StatP = STATUS_ROTATING;
1158 cdr.Result[0] = cdr.StatP;
1159 cdr.Stat = Acknowledge;
1164 cdr.StatP |= STATUS_ROTATING;
1165 cdr.Result[0] = cdr.StatP;
1166 cdr.Stat = Acknowledge;
1167 AddIrqQueue(CdlReadT + 0x20, 0x800);
1170 case CdlReadT + 0x20:
1172 cdr.StatP |= STATUS_ROTATING;
1173 cdr.Result[0] = cdr.StatP;
1174 cdr.Stat = Complete;
1179 cdr.StatP |= STATUS_ROTATING;
1180 cdr.Result[0] = cdr.StatP;
1181 cdr.Stat = Acknowledge;
1182 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1185 case CdlReadToc + 0x20:
1187 cdr.StatP |= STATUS_ROTATING;
1188 cdr.Result[0] = cdr.StatP;
1189 cdr.Stat = Complete;
1194 if (!cdr.Reading) return;
1197 // Fighting Force 2 - update subq time immediately
1199 ReadTrack( cdr.SetSector );
1202 // Crusaders of Might and Magic - update getlocl now
1203 // - fixes cutscene speech
1205 u8 *buf = CDR_getBuffer();
1207 memcpy(cdr.Transfer, buf, 8);
1211 Duke Nukem: Land of the Babes - seek then delay read for one frame
1213 C-12 - Final Resistance - doesn't like seek
1216 if (cdr.Seeked != SEEK_DONE) {
1217 cdr.StatP |= STATUS_SEEK;
1218 cdr.StatP &= ~STATUS_READ;
1220 // Crusaders of Might and Magic - use short time
1221 // - fix cutscene speech (startup)
1223 // ??? - use more accurate seek time later
1224 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1226 cdr.StatP |= STATUS_READ;
1227 cdr.StatP &= ~STATUS_SEEK;
1229 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1233 cdr.StatP |= STATUS_ROTATING;
1234 cdr.Result[0] = cdr.StatP;
1235 cdr.Stat = Acknowledge;
1242 cdr.Stat = Complete;
1252 #ifdef CDR_LOG_CMD_IRQ
1253 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1254 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1255 for (i = 0; i < cdr.ResultC; i++)
1256 SysPrintf("%02x ", cdr.Result[i]);
1261 void cdrReadInterrupt() {
1267 if (cdr.Irq || cdr.Stat) {
1268 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1275 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1276 cdr.StatP &= ~STATUS_SEEK;
1277 cdr.Result[0] = cdr.StatP;
1278 cdr.Seeked = SEEK_DONE;
1280 ReadTrack( cdr.SetSector );
1282 buf = CDR_getBuffer();
1286 if (cdr.RErr == -1) {
1287 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1288 memset(cdr.Transfer, 0, DATA_SIZE);
1289 cdr.Stat = DiskError;
1290 cdr.Result[0] |= STATUS_ERROR;
1291 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1295 memcpy(cdr.Transfer, buf, DATA_SIZE);
1296 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1299 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1301 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1302 // Firemen 2: Multi-XA files - briefings, cutscenes
1303 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1304 cdr.File = cdr.Transfer[4 + 0];
1305 cdr.Channel = cdr.Transfer[4 + 1];
1308 if ((cdr.Transfer[4 + 2] & 0x4) &&
1309 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1310 (cdr.Transfer[4 + 0] == cdr.File)) {
1311 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1314 // only handle attenuator basic channel switch for now
1315 if (cdr.Xa.stereo) {
1317 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1318 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1320 for (i = 0; i < cdr.Xa.nsamples; i++)
1321 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1323 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1324 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1326 for (i = 0; i < cdr.Xa.nsamples; i++)
1327 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1331 SPU_playADPCMchannel(&cdr.Xa);
1332 cdr.FirstSector = 0;
1335 // Crash Team Racing: music, speech
1336 // - done using cdda decoded buffer (spu irq)
1339 // signal ADPCM data ready
1343 else cdr.FirstSector = -1;
1348 if (cdr.SetSector[2] == 75) {
1349 cdr.SetSector[2] = 0;
1351 if (cdr.SetSector[1] == 60) {
1352 cdr.SetSector[1] = 0;
1359 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1362 Croc 2: $40 - only FORM1 (*)
1363 Judge Dredd: $C8 - only FORM1 (*)
1364 Sim Theme Park - no adpcm at all (zero)
1367 if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
1368 cdr.Stat = DataReady;
1381 bit 5 - 1 result ready
1383 bit 7 - 1 command being processed
1386 unsigned char cdrRead0(void) {
1387 if (cdr.ResultReady)
1395 // cdr.Ctrl &= ~0x40;
1397 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1400 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1402 return psxHu8(0x1800) = cdr.Ctrl;
1405 void cdrWrite0(unsigned char rt) {
1406 CDR_LOG_IO("cdr w0: %02x\n", rt);
1408 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1411 unsigned char cdrRead1(void) {
1412 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1413 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1417 if (cdr.ResultP == cdr.ResultC)
1418 cdr.ResultReady = 0;
1420 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1422 return psxHu8(0x1801);
1425 void cdrWrite1(unsigned char rt) {
1429 CDR_LOG_IO("cdr w1: %02x\n", rt);
1431 switch (cdr.Ctrl & 3) {
1435 cdr.AttenuatorRight[1] = rt;
1444 #ifdef CDR_LOG_CMD_IRQ
1445 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1447 SysPrintf(" Param[%d] = {", cdr.ParamC);
1448 for (i = 0; i < cdr.ParamC; i++)
1449 SysPrintf(" %x,", cdr.Param[i]);
1456 cdr.ResultReady = 0;
1458 // cdr.Stat = NoIntr;
1459 AddIrqQueue(cdr.Cmd, 0x800);
1478 for (i = 0; i < 3; i++)
1479 set_loc[i] = btoi(cdr.Param[i]);
1481 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1483 cdr.Seeked = SEEK_PENDING;
1485 memcpy(cdr.SetSector, set_loc, 3);
1486 cdr.SetSector[3] = 0;
1490 // Vib Ribbon: try same track again
1493 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1494 if (CDR_getTN(cdr.ResultTN) != -1) {
1495 if (cdr.CurTrack > cdr.ResultTN[1])
1496 cdr.CurTrack = cdr.ResultTN[1];
1497 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1498 int tmp = cdr.ResultTD[2];
1499 cdr.ResultTD[2] = cdr.ResultTD[0];
1500 cdr.ResultTD[0] = tmp;
1501 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1504 } else if (!Config.Cdda) {
1505 CDR_play(cdr.SetSector);
1508 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1509 // - fixes ribbon timing + music CD mode
1511 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1515 cdr.StatP |= STATUS_SEEK;
1516 cdr.StatP &= ~STATUS_ROTATING;
1522 cdr.FirstSector = 1;
1532 // GameShark CD Player: Reset CDDA to track start
1533 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1534 cdr.SetSectorPlay[0] = stat.Time[0];
1535 cdr.SetSectorPlay[1] = stat.Time[1];
1536 cdr.SetSectorPlay[2] = stat.Time[2];
1540 // grab time for current track
1541 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1543 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1544 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1545 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1554 GameShark CD Player: save time for resume
1556 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1565 cdr.Seeked = SEEK_DONE;
1572 // Duke Nukem - Time to Kill
1573 // - do not directly set cd-xa volume
1574 //SPU_writeRegister( H_CDLeft, 0x0000 );
1575 //SPU_writeRegister( H_CDRight, 0x0000 );
1581 // Duke Nukem - Time to Kill
1582 // - do not directly set cd-xa volume
1583 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1584 //SPU_writeRegister( H_CDRight, 0x7f00 );
1588 cdr.File = cdr.Param[0];
1589 cdr.Channel = cdr.Param[1];
1593 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1595 cdr.Mode = cdr.Param[0];
1597 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1598 // - fixes choppy movie sound
1599 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1604 //AddIrqQueue(cdr.Cmd, 0x800);
1606 // GameShark CDX CD Player: very long time
1607 AddIrqQueue(cdr.Cmd, 0x100000);
1612 // Tomb Raider 2 - reset cdda
1620 cdr.FirstSector = 1;
1626 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1631 unsigned char cdrRead2(void) {
1634 if (cdr.Readed == 0) {
1640 CDR_LOG_IO("cdr r2: %02x\n", ret);
1644 void cdrWrite2(unsigned char rt) {
1645 CDR_LOG_IO("cdr w2: %02x\n", rt);
1647 switch (cdr.Ctrl & 3) {
1649 if (cdr.ParamC < 8) // FIXME: size and wrapping
1650 cdr.Param[cdr.ParamC++] = rt;
1657 cdr.AttenuatorLeft[0] = rt;
1660 cdr.AttenuatorRight[0] = rt;
1665 unsigned char cdrRead3(void) {
1667 psxHu8(0x1803) = cdr.Stat | 0xE0;
1669 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1671 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1672 return psxHu8(0x1803);
1675 void cdrWrite3(unsigned char rt) {
1676 CDR_LOG_IO("cdr w3: %02x\n", rt);
1678 switch (cdr.Ctrl & 3) {
1688 cdr.AttenuatorLeft[1] = rt;
1692 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1693 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1694 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1698 if ((rt & 0x80) && cdr.Readed == 0) {
1700 pTransfer = cdr.Transfer;
1702 switch (cdr.Mode & 0x30) {
1703 case MODE_SIZE_2328:
1708 case MODE_SIZE_2340:
1718 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1723 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1728 if (cdr.Readed == 0) {
1729 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1733 cdsize = (bcr & 0xffff) * 4;
1735 // Ape Escape: bcr = 0001 / 0000
1739 switch (cdr.Mode & 0x30) {
1740 case 0x00: cdsize = 2048; break;
1741 case MODE_SIZE_2328: cdsize = 2328; break;
1742 case MODE_SIZE_2340: cdsize = 2340; break;
1747 ptr = (u8 *)PSXM(madr);
1749 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1754 GS CDX: Enhancement CD crash
1757 - Spams DMA3 and gets buffer overrun
1759 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1764 memcpy(ptr, pTransfer, size);
1767 psxCpu->Clear(madr, cdsize / 4);
1768 pTransfer += cdsize;
1772 if( chcr == 0x11400100 ) {
1773 CDRDMA_INT( (cdsize/4) / 4 );
1775 else if( chcr == 0x11000000 ) {
1776 CDRDMA_INT( (cdsize/4) * 1 );
1781 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1785 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1789 void cdrDmaInterrupt()
1791 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1793 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1799 memset(&cdr, 0, sizeof(cdr));
1803 pTransfer = cdr.Transfer;
1805 // BIOS player - default values
1806 cdr.AttenuatorLeft[0] = 0x80;
1807 cdr.AttenuatorLeft[1] = 0x00;
1808 cdr.AttenuatorRight[0] = 0x00;
1809 cdr.AttenuatorRight[1] = 0x80;
1812 int cdrFreeze(void *f, int Mode) {
1819 gzfreeze(&cdr, sizeof(cdr));
1822 cdr.ParamP = cdr.ParamC;
1823 tmp = pTransfer - cdr.Transfer;
1826 gzfreeze(&tmp, sizeof(tmp));
1829 pTransfer = cdr.Transfer + tmp;
1831 if (cdr.Play && !Config.Cdda)
1832 CDR_play(cdr.SetSectorPlay);
1838 void LidInterrupt() {
1839 cdr.LidCheck = 0x20; // start checker
1841 CDRLID_INT( cdReadTime * 3 );
1843 // generate interrupt if none active - open or close
1844 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1847 AddIrqQueue(CdlNop, 0x800);