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)
139 static struct CdrStat stat;
141 static unsigned int msf2sec(u8 *msf) {
142 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
145 static void sec2msf(unsigned int s, u8 *msf) {
146 msf[0] = s / 75 / 60;
147 s = s - msf[0] * 75 * 60;
154 #define CDR_INT(eCycle) { \
155 psxRegs.interrupt |= (1 << PSXINT_CDR); \
156 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
157 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
158 new_dyna_set_event(PSXINT_CDR, eCycle); \
162 #define CDREAD_INT(eCycle) { \
163 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
164 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
165 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
166 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
169 // cdrLidSeekInterrupt
170 #define CDRLID_INT(eCycle) { \
171 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
172 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
173 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
174 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
178 #define CDRMISC_INT(eCycle) { \
179 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
180 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
181 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
182 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
185 #define StopReading() { \
188 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
190 cdr.StatP &= ~STATUS_READ;\
193 #define StopCdda() { \
195 if (!Config.Cdda) CDR_stop(); \
196 cdr.StatP &= ~STATUS_PLAY; \
198 cdr.FastForward = 0; \
199 cdr.FastBackward = 0; \
200 /*SPU_registerCallback( SPUirq );*/ \
204 #define SetResultSize(size) { \
206 cdr.ResultC = size; \
207 cdr.ResultReady = 1; \
210 static void setIrq(void)
212 if (cdr.Stat & cdr.Reg2)
213 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
216 void cdrLidSeekInterrupt()
218 // turn back on checking
219 if( cdr.LidCheck == 0x10 )
224 // official lid close
225 else if( cdr.LidCheck == 0x30 )
228 cdr.StatP |= STATUS_ROTATING;
231 // GS CDX 3.3 - ~50 getlocp tries
232 CDRLID_INT( cdReadTime * 3 );
237 else if( cdr.LidCheck == 0x40 )
240 cdr.StatP &= ~STATUS_SHELLOPEN;
241 cdr.StatP &= ~STATUS_ROTATING;
244 // GS CDX 3.3 - ~50 getlocp tries
245 CDRLID_INT( cdReadTime * 3 );
250 else if( cdr.LidCheck == 0x50 )
252 // GameShark Lite: Start seeking ($42)
253 cdr.StatP |= STATUS_SEEK;
254 cdr.StatP |= STATUS_ROTATING;
255 cdr.StatP &= ~STATUS_ERROR;
258 CDRLID_INT( cdReadTime * 3 );
263 else if( cdr.LidCheck == 0x60 )
265 // GameShark Lite: Seek detection done ($02)
266 cdr.StatP &= ~STATUS_SEEK;
272 static void Check_Shell( int Irq )
274 // check case open/close
275 if (cdr.LidCheck > 0)
277 CDR_LOG( "LidCheck\n" );
279 // $20 = check lid state
280 if( cdr.LidCheck == 0x20 )
285 if (CDR_getStatus(&stat) != -1)
287 // BIOS hangs + BIOS error messages
288 //if (stat.Type == 0xff)
289 //cdr.Stat = DiskError;
292 if (stat.Status & STATUS_SHELLOPEN)
294 // Vib Ribbon: pre-CD swap
298 // GameShark Lite: Death if DiskError happens
300 // Vib Ribbon: Needs DiskError for CD swap
304 cdr.Stat = DiskError;
306 cdr.StatP |= STATUS_ERROR;
307 cdr.Result[0] |= STATUS_ERROR;
310 // GameShark Lite: Wants -exactly- $10
311 cdr.StatP |= STATUS_SHELLOPEN;
312 cdr.StatP &= ~STATUS_ROTATING;
315 CDRLID_INT( cdReadTime * 3 );
323 else if ( i & STATUS_SHELLOPEN )
325 cdr.StatP |= STATUS_ROTATING;
330 if( cdr.Stat == NoIntr )
331 cdr.Stat = Acknowledge;
335 // begin close-seek-ready cycle
336 CDRLID_INT( cdReadTime * 3 );
340 // GameShark Lite: Wants -exactly- $42, then $02
341 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
344 // case still closed - wait for recheck
347 CDRLID_INT( cdReadTime * 3 );
354 // GS CDX: clear all values but #1,#2
355 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
358 memset( cdr.Result, 0, 16 );
360 cdr.Result[0] = cdr.StatP;
363 // GS CDX: special return value
364 if( cdr.StatP & STATUS_SHELLOPEN )
366 cdr.Result[1] = 0x80;
370 if( cdr.Stat == NoIntr )
371 cdr.Stat = Acknowledge;
378 void Find_CurTrack() {
381 if (CDR_getTN(cdr.ResultTN) != -1) {
384 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
385 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
388 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
389 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
390 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
393 // find next track boundary - only need m:s accuracy
394 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
395 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
397 // Twisted Metal 4 - psx cdda pregap (2-sec)
398 // - fix in-game music
401 if( sect1 >= sect2 ) {
412 static void ReadTrack( u8 *time ) {
413 cdr.Prev[0] = itob( time[0] );
414 cdr.Prev[1] = itob( time[1] );
415 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]);
418 cdr.RErr = CDR_readTrack(cdr.Prev);
422 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
424 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
435 if (CDR_getTN(cdr.ResultTN) != -1) {
438 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
439 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
440 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
441 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
442 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
445 // check if time matches track start (only need min, sec accuracy)
447 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
448 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
449 // skip pregap frames
450 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
451 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
455 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
463 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
464 static void Create_Fake_Subq()
466 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
469 if (CDR_getTN(cdr.ResultTN) == -1) return;
470 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
472 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
474 // last track - cd size
476 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
479 if( cdr.Play == TRUE ) {
480 temp_cur[0] = cdr.SetSectorPlay[0];
481 temp_cur[1] = cdr.SetSectorPlay[1];
482 temp_cur[2] = cdr.SetSectorPlay[2];
484 temp_cur[0] = btoi( cdr.Prev[0] );
485 temp_cur[1] = btoi( cdr.Prev[1] );
486 temp_cur[2] = btoi( cdr.Prev[2] );
489 fake_subq_real[0] = temp_cur[0];
490 fake_subq_real[1] = temp_cur[1];
491 fake_subq_real[2] = temp_cur[2];
493 temp_next[0] = cdr.ResultTD[2];
494 temp_next[1] = cdr.ResultTD[1];
495 temp_next[2] = cdr.ResultTD[0];
499 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
500 fake_subq_change = 1;
505 if( pregap == 0 ) StopCdda();
508 //////////////////////////////////////////////////
509 //////////////////////////////////////////////////
512 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
513 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
515 // last track - cd size
516 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
519 temp_start[0] = cdr.ResultTD[2];
520 temp_start[1] = cdr.ResultTD[1];
521 temp_start[2] = cdr.ResultTD[0];
524 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
525 temp_cur[0], temp_cur[1], temp_cur[2],
526 temp_start[0], temp_start[1], temp_start[2],
527 temp_next[0], temp_next[1], temp_next[2]);
531 // local time - pregap / real
532 diff = msf2sec(temp_cur) - msf2sec( temp_start );
536 sec2msf( -diff, fake_subq_local );
540 sec2msf( diff, fake_subq_local );
545 static void cdrPlayInterrupt_Autopause()
547 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
548 int track_changed = 0;
553 Silhouette Mirage ($3)
557 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
558 // (how does real thing handle those?)
559 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
562 track_changed = fake_subq_change;
563 fake_subq_change = 0;
566 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
567 CDR_LOG( "CDDA STOP\n" );
569 // Magic the Gathering
570 // - looping territory cdda
573 //cdr.ResultReady = 1;
574 //cdr.Stat = DataReady;
580 else if (cdr.Mode & MODE_REPORT) {
582 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
583 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
585 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
586 //cdr.CurTrack = btoi( subq->TrackNumber );
588 if (subq->AbsoluteAddress[2] & 0xf)
591 cdr.Result[0] = cdr.StatP;
592 // BIOS CD Player: data already BCD format
593 cdr.Result[1] = subq->TrackNumber;
594 cdr.Result[2] = subq->IndexNumber;
596 cdr.Result[3] = subq->AbsoluteAddress[0];
597 cdr.Result[4] = subq->AbsoluteAddress[1];
598 cdr.Result[5] = subq->AbsoluteAddress[2];
600 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
601 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
603 if (fake_subq_real[2] & 0xf)
606 cdr.Result[0] = cdr.StatP;
608 cdr.Result[1] = itob(cdr.CurTrack);
609 cdr.Result[2] = itob(fake_subq_index);
611 cdr.Result[3] = itob( fake_subq_real[0] );
612 cdr.Result[4] = itob( fake_subq_real[1] );
613 cdr.Result[5] = itob( fake_subq_real[2] );
616 // Rayman: Logo freeze (resultready + dataready)
618 cdr.Stat = DataReady;
626 void cdrPlayInterrupt()
628 if (cdr.Seeked == SEEK_PENDING) {
630 CDR_LOG_I("cdrom: seek stat hack\n");
635 cdr.StatP |= STATUS_ROTATING;
636 cdr.StatP &= ~STATUS_SEEK;
637 cdr.Result[0] = cdr.StatP;
638 cdr.Seeked = SEEK_DONE;
644 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
646 ReadTrack(cdr.SetSectorPlay);
649 // update for CdlGetlocP/autopause
650 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
653 ReadTrack(cdr.SetSectorPlay);
657 if (!cdr.Play) return;
659 CDR_LOG( "CDDA - %d:%d:%d\n",
660 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
662 CDRMISC_INT( cdReadTime );
664 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
665 cdrPlayInterrupt_Autopause();
667 cdr.SetSectorPlay[2]++;
668 if (cdr.SetSectorPlay[2] == 75) {
669 cdr.SetSectorPlay[2] = 0;
670 cdr.SetSectorPlay[1]++;
671 if (cdr.SetSectorPlay[1] == 60) {
672 cdr.SetSectorPlay[1] = 0;
673 cdr.SetSectorPlay[0]++;
680 void cdrInterrupt() {
682 unsigned char Irq = cdr.Irq;
687 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
698 cdr.StatP |= STATUS_ROTATING;
699 cdr.Result[0] = cdr.StatP;
700 cdr.Stat = Acknowledge;
705 cdr.Result[0] = cdr.StatP;
706 cdr.Stat = Acknowledge;
708 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
714 cdr.StatP |= STATUS_ROTATING;
715 cdr.Result[0] = cdr.StatP;
716 cdr.Stat = Acknowledge;
720 fake_subq_change = 0;
722 if (cdr.Seeked == SEEK_PENDING) {
723 // XXX: wrong, should seek instead..
724 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
725 cdr.Seeked = SEEK_DONE;
729 Rayman: detect track changes
732 Twisted Metal 2: skip PREGAP + starting accurate SubQ
733 - plays tracks without retry play
735 Wild 9: skip PREGAP + starting accurate SubQ
736 - plays tracks without retry play
738 /* unneeded with correct cdriso?
742 ReadTrack( cdr.SetSectorPlay );
744 // GameShark CD Player: Calls 2x + Play 2x
745 if( cdr.FastBackward || cdr.FastForward ) {
746 if( cdr.FastForward ) cdr.FastForward--;
747 if( cdr.FastBackward ) cdr.FastBackward--;
749 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
750 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
751 cdr.SetSectorPlay[0] = stat.Time[0];
752 cdr.SetSectorPlay[1] = stat.Time[1];
753 cdr.SetSectorPlay[2] = stat.Time[2];
761 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
763 // GameShark CD Player: Resume play
764 if( cdr.ParamC == 0 ) {
765 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
766 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
768 //CDR_play( cdr.SetSectorPlay );
772 // BIOS CD Player: Resume play
773 if( cdr.Param[0] == 0 ) {
774 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
775 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
777 //CDR_play( cdr.SetSectorPlay );
780 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
781 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
783 // BIOS CD Player: Allow track replaying
787 cdr.CurTrack = btoi( cdr.Param[0] );
789 if (CDR_getTN(cdr.ResultTN) != -1) {
791 if (cdr.CurTrack > cdr.ResultTN[1])
792 cdr.CurTrack = cdr.ResultTN[1];
794 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
795 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
796 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
797 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
802 ReadTrack( cdr.SetSectorPlay );
804 //CDR_play(cdr.SetSectorPlay);
812 // Vib Ribbon: gameplay checks flag
813 cdr.StatP &= ~STATUS_SEEK;
818 cdr.StatP |= STATUS_ROTATING;
819 cdr.Result[0] = cdr.StatP;
820 cdr.Stat = Acknowledge;
822 cdr.StatP |= STATUS_PLAY;
825 // BIOS player - set flag again
828 CDRMISC_INT( cdReadTime );
834 cdr.StatP |= STATUS_ROTATING;
835 cdr.Result[0] = cdr.StatP;
839 // GameShark CD Player: Calls 2x + Play 2x
840 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
841 else cdr.FastForward++;
843 cdr.FastBackward = 0;
849 cdr.StatP |= STATUS_ROTATING;
850 cdr.Result[0] = cdr.StatP;
854 // GameShark CD Player: Calls 2x + Play 2x
855 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
856 else cdr.FastBackward++;
864 cdr.StatP |= STATUS_ROTATING;
865 cdr.Result[0] = cdr.StatP;
872 cdr.StatP &= ~STATUS_ROTATING;
873 cdr.Result[0] = cdr.StatP;
875 // cdr.Stat = Acknowledge;
877 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
882 cdr.Result[0] = cdr.StatP;
883 cdr.Stat = Acknowledge;
886 Gundam Battle Assault 2: much slower (*)
887 - Fixes boot, gameplay
889 Hokuto no Ken 2: slower
890 - Fixes intro + subtitles
892 InuYasha - Feudal Fairy Tale: slower
895 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
899 case CdlPause + 0x20:
901 cdr.StatP &= ~STATUS_READ;
902 cdr.StatP |= STATUS_ROTATING;
903 cdr.Result[0] = cdr.StatP;
909 cdr.StatP = STATUS_ROTATING;
910 cdr.Result[0] = cdr.StatP;
911 cdr.Stat = Acknowledge;
913 AddIrqQueue(CdlInit + 0x20, 0x800);
919 cdr.Result[0] = cdr.StatP;
926 cdr.StatP |= STATUS_ROTATING;
927 cdr.Result[0] = cdr.StatP;
928 cdr.Stat = Acknowledge;
933 cdr.StatP |= STATUS_ROTATING;
934 cdr.Result[0] = cdr.StatP;
935 cdr.Stat = Acknowledge;
940 cdr.StatP |= STATUS_ROTATING;
941 cdr.Result[0] = cdr.StatP;
942 cdr.Stat = Acknowledge;
947 cdr.StatP |= STATUS_ROTATING;
948 cdr.Result[0] = cdr.StatP;
949 cdr.Stat = Acknowledge;
954 cdr.StatP |= STATUS_ROTATING;
955 cdr.Result[0] = cdr.StatP;
956 cdr.Result[1] = cdr.Mode;
957 cdr.Result[2] = cdr.File;
958 cdr.Result[3] = cdr.Channel;
961 cdr.Stat = Acknowledge;
966 for (i = 0; i < 8; i++)
967 cdr.Result[i] = cdr.Transfer[i];
968 cdr.Stat = Acknowledge;
972 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
974 memset( cdr.Result, 0, 16 );
976 subq = (struct SubQ *)CDR_getBufferSub();
980 ReadTrack( cdr.SetSector );
982 cdr.Result[0] = subq->TrackNumber;
983 cdr.Result[1] = subq->IndexNumber;
984 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
985 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
988 // subQ integrity check - data only (skip audio)
989 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
990 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
991 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
995 if (cdr.Play == FALSE)
999 cdr.Result[0] = itob(cdr.CurTrack);
1000 cdr.Result[1] = itob(fake_subq_index);
1003 cdr.Result[2] = itob( fake_subq_local[0] );
1004 cdr.Result[3] = itob( fake_subq_local[1] );
1005 cdr.Result[4] = itob( fake_subq_local[2] );
1008 cdr.Result[5] = itob( fake_subq_real[0] );
1009 cdr.Result[6] = itob( fake_subq_real[1] );
1010 cdr.Result[7] = itob( fake_subq_real[2] );
1013 if (!cdr.Play && !cdr.Reading)
1014 cdr.Result[1] = 0; // HACK?
1016 // redump.org - wipe time
1017 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1018 memset( cdr.Result+2, 0, 6 );
1021 cdr.Stat = Acknowledge;
1025 // 5-Star Racing: don't stop CDDA
1027 // Vib Ribbon: CD swap
1032 cdr.StatP |= STATUS_ROTATING;
1033 cdr.Result[0] = cdr.StatP;
1034 if (CDR_getTN(cdr.ResultTN) == -1) {
1035 cdr.Stat = DiskError;
1036 cdr.Result[0] |= STATUS_ERROR;
1038 cdr.Stat = Acknowledge;
1039 cdr.Result[1] = itob(cdr.ResultTN[0]);
1040 cdr.Result[2] = itob(cdr.ResultTN[1]);
1046 cdr.Track = btoi(cdr.Param[0]);
1048 cdr.StatP |= STATUS_ROTATING;
1049 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1050 cdr.Stat = DiskError;
1051 cdr.Result[0] |= STATUS_ERROR;
1053 cdr.Stat = Acknowledge;
1054 cdr.Result[0] = cdr.StatP;
1055 cdr.Result[1] = itob(cdr.ResultTD[2]);
1056 cdr.Result[2] = itob(cdr.ResultTD[1]);
1057 cdr.Result[3] = itob(cdr.ResultTD[0]);
1064 cdr.StatP |= STATUS_ROTATING;
1065 cdr.Result[0] = cdr.StatP;
1066 cdr.StatP |= STATUS_SEEK;
1067 cdr.Stat = Acknowledge;
1070 Crusaders of Might and Magic = 0.5x-4x
1071 - fix cutscene speech start
1073 Eggs of Steel = 2x-?
1077 - fix cutscene speech
1082 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1083 cdr.Seeked = SEEK_PENDING;
1087 cdr.Stat = Acknowledge;
1088 switch (cdr.Param[0]) {
1089 case 0x20: // System Controller ROM Version
1091 memcpy(cdr.Result, Test20, 4);
1095 memcpy(cdr.Result, Test22, 4);
1097 case 0x23: case 0x24:
1099 memcpy(cdr.Result, Test23, 4);
1106 cdr.StatP |= STATUS_ROTATING;
1107 cdr.Result[0] = cdr.StatP;
1108 cdr.Stat = Acknowledge;
1109 AddIrqQueue(CdlID + 0x20, 0x800);
1115 if (CDR_getStatus(&stat) == -1) {
1116 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1117 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1120 if (stat.Type == 2) {
1122 cdr.Result[0] = 0x08;
1123 cdr.Result[1] = 0x10;
1125 cdr.Result[1] |= 0x80;
1129 if (CdromId[0] == '\0') {
1130 cdr.Result[0] = 0x00;
1131 cdr.Result[1] = 0x80;
1134 cdr.Result[0] = 0x08;
1135 cdr.Result[1] = 0x00;
1140 cdr.Result[2] = 0x00;
1141 cdr.Result[3] = 0x00;
1142 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1143 cdr.Stat = Complete;
1148 cdr.StatP = STATUS_ROTATING;
1149 cdr.Result[0] = cdr.StatP;
1150 cdr.Stat = Acknowledge;
1155 cdr.StatP |= STATUS_ROTATING;
1156 cdr.Result[0] = cdr.StatP;
1157 cdr.Stat = Acknowledge;
1158 AddIrqQueue(CdlReadT + 0x20, 0x800);
1161 case CdlReadT + 0x20:
1163 cdr.StatP |= STATUS_ROTATING;
1164 cdr.Result[0] = cdr.StatP;
1165 cdr.Stat = Complete;
1170 cdr.StatP |= STATUS_ROTATING;
1171 cdr.Result[0] = cdr.StatP;
1172 cdr.Stat = Acknowledge;
1173 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1176 case CdlReadToc + 0x20:
1178 cdr.StatP |= STATUS_ROTATING;
1179 cdr.Result[0] = cdr.StatP;
1180 cdr.Stat = Complete;
1185 if (!cdr.Reading) return;
1188 // Fighting Force 2 - update subq time immediately
1190 ReadTrack( cdr.SetSector );
1193 // Crusaders of Might and Magic - update getlocl now
1194 // - fixes cutscene speech
1196 u8 *buf = CDR_getBuffer();
1198 memcpy(cdr.Transfer, buf, 8);
1202 Duke Nukem: Land of the Babes - seek then delay read for one frame
1204 C-12 - Final Resistance - doesn't like seek
1207 if (cdr.Seeked != SEEK_DONE) {
1208 cdr.StatP |= STATUS_SEEK;
1209 cdr.StatP &= ~STATUS_READ;
1211 // Crusaders of Might and Magic - use short time
1212 // - fix cutscene speech (startup)
1214 // ??? - use more accurate seek time later
1215 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1217 cdr.StatP |= STATUS_READ;
1218 cdr.StatP &= ~STATUS_SEEK;
1220 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1224 cdr.StatP |= STATUS_ROTATING;
1225 cdr.Result[0] = cdr.StatP;
1226 cdr.Stat = Acknowledge;
1233 cdr.Stat = Complete;
1243 #ifdef CDR_LOG_CMD_IRQ
1244 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1245 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1246 for (i = 0; i < cdr.ResultC; i++)
1247 SysPrintf("%02x ", cdr.Result[i]);
1252 void cdrReadInterrupt() {
1258 if (cdr.Irq || cdr.Stat) {
1259 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1266 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1267 cdr.StatP &= ~STATUS_SEEK;
1268 cdr.Result[0] = cdr.StatP;
1269 cdr.Seeked = SEEK_DONE;
1271 ReadTrack( cdr.SetSector );
1273 buf = CDR_getBuffer();
1277 if (cdr.RErr == -1) {
1278 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1279 memset(cdr.Transfer, 0, DATA_SIZE);
1280 cdr.Stat = DiskError;
1281 cdr.Result[0] |= STATUS_ERROR;
1282 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1286 memcpy(cdr.Transfer, buf, DATA_SIZE);
1287 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1290 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1292 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1293 // Firemen 2: Multi-XA files - briefings, cutscenes
1294 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1295 cdr.File = cdr.Transfer[4 + 0];
1296 cdr.Channel = cdr.Transfer[4 + 1];
1299 if ((cdr.Transfer[4 + 2] & 0x4) &&
1300 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1301 (cdr.Transfer[4 + 0] == cdr.File)) {
1302 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1305 // only handle attenuator basic channel switch for now
1306 if (cdr.Xa.stereo) {
1308 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1309 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1311 for (i = 0; i < cdr.Xa.nsamples; i++)
1312 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1314 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1315 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1317 for (i = 0; i < cdr.Xa.nsamples; i++)
1318 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1322 SPU_playADPCMchannel(&cdr.Xa);
1323 cdr.FirstSector = 0;
1326 // Crash Team Racing: music, speech
1327 // - done using cdda decoded buffer (spu irq)
1330 // signal ADPCM data ready
1334 else cdr.FirstSector = -1;
1339 if (cdr.SetSector[2] == 75) {
1340 cdr.SetSector[2] = 0;
1342 if (cdr.SetSector[1] == 60) {
1343 cdr.SetSector[1] = 0;
1350 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1353 Croc 2: $40 - only FORM1 (*)
1354 Judge Dredd: $C8 - only FORM1 (*)
1355 Sim Theme Park - no adpcm at all (zero)
1358 if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
1359 cdr.Stat = DataReady;
1372 bit 5 - 1 result ready
1374 bit 7 - 1 command being processed
1377 unsigned char cdrRead0(void) {
1378 if (cdr.ResultReady)
1386 // cdr.Ctrl &= ~0x40;
1388 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1391 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1393 return psxHu8(0x1800) = cdr.Ctrl;
1396 void cdrWrite0(unsigned char rt) {
1397 CDR_LOG_IO("cdr w0: %02x\n", rt);
1399 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1402 unsigned char cdrRead1(void) {
1403 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1404 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1408 if (cdr.ResultP == cdr.ResultC)
1409 cdr.ResultReady = 0;
1411 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1413 return psxHu8(0x1801);
1416 void cdrWrite1(unsigned char rt) {
1420 CDR_LOG_IO("cdr w1: %02x\n", rt);
1422 switch (cdr.Ctrl & 3) {
1426 cdr.AttenuatorRight[1] = rt;
1435 #ifdef CDR_LOG_CMD_IRQ
1436 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1438 SysPrintf(" Param[%d] = {", cdr.ParamC);
1439 for (i = 0; i < cdr.ParamC; i++)
1440 SysPrintf(" %x,", cdr.Param[i]);
1447 cdr.ResultReady = 0;
1449 // cdr.Stat = NoIntr;
1450 AddIrqQueue(cdr.Cmd, 0x800);
1469 for (i = 0; i < 3; i++)
1470 set_loc[i] = btoi(cdr.Param[i]);
1472 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1474 cdr.Seeked = SEEK_PENDING;
1476 memcpy(cdr.SetSector, set_loc, 3);
1477 cdr.SetSector[3] = 0;
1481 // Vib Ribbon: try same track again
1484 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1485 if (CDR_getTN(cdr.ResultTN) != -1) {
1486 if (cdr.CurTrack > cdr.ResultTN[1])
1487 cdr.CurTrack = cdr.ResultTN[1];
1488 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1489 int tmp = cdr.ResultTD[2];
1490 cdr.ResultTD[2] = cdr.ResultTD[0];
1491 cdr.ResultTD[0] = tmp;
1492 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1495 } else if (!Config.Cdda) {
1496 CDR_play(cdr.SetSector);
1499 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1500 // - fixes ribbon timing + music CD mode
1502 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1506 cdr.StatP |= STATUS_SEEK;
1507 cdr.StatP &= ~STATUS_ROTATING;
1513 cdr.FirstSector = 1;
1523 // GameShark CD Player: Reset CDDA to track start
1524 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1525 cdr.SetSectorPlay[0] = stat.Time[0];
1526 cdr.SetSectorPlay[1] = stat.Time[1];
1527 cdr.SetSectorPlay[2] = stat.Time[2];
1531 // grab time for current track
1532 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1534 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1535 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1536 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1545 GameShark CD Player: save time for resume
1547 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1556 cdr.Seeked = SEEK_DONE;
1563 // Duke Nukem - Time to Kill
1564 // - do not directly set cd-xa volume
1565 //SPU_writeRegister( H_CDLeft, 0x0000 );
1566 //SPU_writeRegister( H_CDRight, 0x0000 );
1572 // Duke Nukem - Time to Kill
1573 // - do not directly set cd-xa volume
1574 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1575 //SPU_writeRegister( H_CDRight, 0x7f00 );
1579 cdr.File = cdr.Param[0];
1580 cdr.Channel = cdr.Param[1];
1584 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1586 cdr.Mode = cdr.Param[0];
1588 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1589 // - fixes choppy movie sound
1590 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1595 //AddIrqQueue(cdr.Cmd, 0x800);
1597 // GameShark CDX CD Player: very long time
1598 AddIrqQueue(cdr.Cmd, 0x100000);
1603 // Tomb Raider 2 - reset cdda
1611 cdr.FirstSector = 1;
1617 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1622 unsigned char cdrRead2(void) {
1625 if (cdr.Readed == 0) {
1631 CDR_LOG_IO("cdr r2: %02x\n", ret);
1635 void cdrWrite2(unsigned char rt) {
1636 CDR_LOG_IO("cdr w2: %02x\n", rt);
1638 switch (cdr.Ctrl & 3) {
1640 if (cdr.ParamC < 8) // FIXME: size and wrapping
1641 cdr.Param[cdr.ParamC++] = rt;
1648 cdr.AttenuatorLeft[0] = rt;
1651 cdr.AttenuatorRight[0] = rt;
1656 unsigned char cdrRead3(void) {
1658 psxHu8(0x1803) = cdr.Stat | 0xE0;
1660 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1662 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1663 return psxHu8(0x1803);
1666 void cdrWrite3(unsigned char rt) {
1667 CDR_LOG_IO("cdr w3: %02x\n", rt);
1669 switch (cdr.Ctrl & 3) {
1679 cdr.AttenuatorLeft[1] = rt;
1683 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1684 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1685 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1689 if ((rt & 0x80) && cdr.Readed == 0) {
1691 pTransfer = cdr.Transfer;
1693 switch (cdr.Mode & 0x30) {
1694 case MODE_SIZE_2328:
1699 case MODE_SIZE_2340:
1709 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1714 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1719 if (cdr.Readed == 0) {
1720 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1724 cdsize = (bcr & 0xffff) * 4;
1726 // Ape Escape: bcr = 0001 / 0000
1730 switch (cdr.Mode & 0x30) {
1731 case 0x00: cdsize = 2048; break;
1732 case MODE_SIZE_2328: cdsize = 2328; break;
1733 case MODE_SIZE_2340: cdsize = 2340; break;
1738 ptr = (u8 *)PSXM(madr);
1740 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1745 GS CDX: Enhancement CD crash
1748 - Spams DMA3 and gets buffer overrun
1750 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1755 memcpy(ptr, pTransfer, size);
1758 psxCpu->Clear(madr, cdsize / 4);
1759 pTransfer += cdsize;
1763 if( chcr == 0x11400100 ) {
1764 CDRDMA_INT( (cdsize/4) / 4 );
1766 else if( chcr == 0x11000000 ) {
1767 CDRDMA_INT( (cdsize/4) * 1 );
1772 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1776 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1780 void cdrDmaInterrupt()
1782 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1784 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1790 memset(&cdr, 0, sizeof(cdr));
1794 pTransfer = cdr.Transfer;
1796 // BIOS player - default values
1797 cdr.AttenuatorLeft[0] = 0x80;
1798 cdr.AttenuatorLeft[1] = 0x00;
1799 cdr.AttenuatorRight[0] = 0x00;
1800 cdr.AttenuatorRight[1] = 0x80;
1803 int cdrFreeze(void *f, int Mode) {
1810 gzfreeze(&cdr, sizeof(cdr));
1813 cdr.ParamP = cdr.ParamC;
1814 tmp = pTransfer - cdr.Transfer;
1817 gzfreeze(&tmp, sizeof(tmp));
1820 pTransfer = cdr.Transfer + tmp;
1822 if (cdr.Play && !Config.Cdda)
1823 CDR_play(cdr.SetSectorPlay);
1829 void LidInterrupt() {
1830 cdr.LidCheck = 0x20; // start checker
1832 CDRLID_INT( cdReadTime * 3 );
1834 // generate interrupt if none active - open or close
1835 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1838 AddIrqQueue(CdlNop, 0x800);