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_SIZE_2048 (0<<4) // 0x00
112 #define MODE_SF (1<<3) // 0x08 channel on/off
113 #define MODE_REPORT (1<<2) // 0x04
114 #define MODE_AUTOPAUSE (1<<1) // 0x02
115 #define MODE_CDDA (1<<0) // 0x01
118 #define STATUS_PLAY (1<<7) // 0x80
119 #define STATUS_SEEK (1<<6) // 0x40
120 #define STATUS_READ (1<<5) // 0x20
121 #define STATUS_SHELLOPEN (1<<4) // 0x10
122 #define STATUS_UNKNOWN3 (1<<3) // 0x08
123 #define STATUS_UNKNOWN2 (1<<2) // 0x04
124 #define STATUS_ROTATING (1<<1) // 0x02
125 #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(const u8 *msf) {
142 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
145 // for that weird psemu API..
146 static unsigned int fsm2sec(const u8 *msf) {
147 return ((msf[2] * 60 + msf[1]) * 75) + msf[0];
150 static void sec2msf(unsigned int s, u8 *msf) {
151 msf[0] = s / 75 / 60;
152 s = s - msf[0] * 75 * 60;
159 #define CDR_INT(eCycle) { \
160 psxRegs.interrupt |= (1 << PSXINT_CDR); \
161 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
162 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
163 new_dyna_set_event(PSXINT_CDR, eCycle); \
167 #define CDREAD_INT(eCycle) { \
168 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
169 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
170 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
171 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
174 // cdrLidSeekInterrupt
175 #define CDRLID_INT(eCycle) { \
176 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
177 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
178 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
179 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
183 #define CDRMISC_INT(eCycle) { \
184 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
185 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
186 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
187 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
190 #define StopReading() { \
193 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
195 cdr.StatP &= ~STATUS_READ;\
198 #define StopCdda() { \
200 if (!Config.Cdda) CDR_stop(); \
201 cdr.StatP &= ~STATUS_PLAY; \
203 cdr.FastForward = 0; \
204 cdr.FastBackward = 0; \
205 /*SPU_registerCallback( SPUirq );*/ \
209 #define SetResultSize(size) { \
211 cdr.ResultC = size; \
212 cdr.ResultReady = 1; \
215 static void setIrq(void)
217 if (cdr.Stat & cdr.Reg2)
218 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
221 void cdrLidSeekInterrupt()
223 // turn back on checking
224 if( cdr.LidCheck == 0x10 )
229 // official lid close
230 else if( cdr.LidCheck == 0x30 )
233 cdr.StatP |= STATUS_ROTATING;
236 // GS CDX 3.3 - ~50 getlocp tries
237 CDRLID_INT( cdReadTime * 3 );
242 else if( cdr.LidCheck == 0x40 )
245 cdr.StatP &= ~STATUS_SHELLOPEN;
246 cdr.StatP &= ~STATUS_ROTATING;
249 // GS CDX 3.3 - ~50 getlocp tries
250 CDRLID_INT( cdReadTime * 3 );
255 else if( cdr.LidCheck == 0x50 )
257 // GameShark Lite: Start seeking ($42)
258 cdr.StatP |= STATUS_SEEK;
259 cdr.StatP |= STATUS_ROTATING;
260 cdr.StatP &= ~STATUS_ERROR;
263 CDRLID_INT( cdReadTime * 3 );
268 else if( cdr.LidCheck == 0x60 )
270 // GameShark Lite: Seek detection done ($02)
271 cdr.StatP &= ~STATUS_SEEK;
277 static void Check_Shell( int Irq )
279 // check case open/close
280 if (cdr.LidCheck > 0)
282 CDR_LOG( "LidCheck\n" );
284 // $20 = check lid state
285 if( cdr.LidCheck == 0x20 )
290 if (CDR_getStatus(&stat) != -1)
292 // BIOS hangs + BIOS error messages
293 //if (stat.Type == 0xff)
294 //cdr.Stat = DiskError;
297 if (stat.Status & STATUS_SHELLOPEN)
299 // Vib Ribbon: pre-CD swap
304 // GameShark Lite: Death if DiskError happens
306 // Vib Ribbon: Needs DiskError for CD swap
310 cdr.Stat = DiskError;
312 cdr.StatP |= STATUS_ERROR;
313 cdr.Result[0] |= STATUS_ERROR;
316 // GameShark Lite: Wants -exactly- $10
317 cdr.StatP |= STATUS_SHELLOPEN;
318 cdr.StatP &= ~STATUS_ROTATING;
321 CDRLID_INT( cdReadTime * 3 );
329 else if ( i & STATUS_SHELLOPEN )
331 cdr.StatP |= STATUS_ROTATING;
336 if( cdr.Stat == NoIntr )
337 cdr.Stat = Acknowledge;
341 // begin close-seek-ready cycle
342 CDRLID_INT( cdReadTime * 3 );
346 // GameShark Lite: Wants -exactly- $42, then $02
347 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
350 // case still closed - wait for recheck
353 CDRLID_INT( cdReadTime * 3 );
360 // GS CDX: clear all values but #1,#2
361 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
364 memset( cdr.Result, 0, 16 );
366 cdr.Result[0] = cdr.StatP;
369 // GS CDX: special return value
370 if( cdr.StatP & STATUS_SHELLOPEN )
372 cdr.Result[1] = 0x80;
376 if( cdr.Stat == NoIntr )
377 cdr.Stat = Acknowledge;
384 static void Find_CurTrack(const u8 *time)
388 current = msf2sec(time);
390 for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) {
391 CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD);
392 sect = fsm2sec(cdr.ResultTD);
393 if (sect - current >= 150)
398 static void generate_subq(const u8 *time)
400 unsigned char start[3], next[3];
401 unsigned int this_s, start_s, next_s, pregap;
404 CDR_getTD(cdr.CurTrack, start);
405 if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) {
407 CDR_getTD(cdr.CurTrack + 1, next);
410 // last track - cd size
412 next[0] = cdr.SetSectorEnd[2];
413 next[1] = cdr.SetSectorEnd[1];
414 next[2] = cdr.SetSectorEnd[0];
417 this_s = msf2sec(time);
418 start_s = fsm2sec(start);
419 next_s = fsm2sec(next);
421 cdr.TrackChanged = FALSE;
423 if (next_s - this_s < pregap) {
424 cdr.TrackChanged = TRUE;
431 relative_s = this_s - start_s;
432 if (relative_s < 0) {
434 relative_s = -relative_s;
436 sec2msf(relative_s, cdr.subq.Relative);
438 cdr.subq.Track = itob(cdr.CurTrack);
439 cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]);
440 cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]);
441 cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]);
442 cdr.subq.Absolute[0] = itob(time[0]);
443 cdr.subq.Absolute[1] = itob(time[1]);
444 cdr.subq.Absolute[2] = itob(time[2]);
447 static void ReadTrack(const u8 *time) {
448 unsigned char tmp[3];
452 tmp[0] = itob(time[0]);
453 tmp[1] = itob(time[1]);
454 tmp[2] = itob(time[2]);
456 if (memcmp(cdr.Prev, tmp, 3) == 0)
459 CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]);
461 cdr.RErr = CDR_readTrack(tmp);
462 memcpy(cdr.Prev, tmp, 3);
467 subq = (struct SubQ *)CDR_getBufferSub();
468 if (subq != NULL && cdr.CurTrack == 1) {
469 crc = calcCrc((u8 *)subq + 12, 10);
470 if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
471 cdr.subq.Track = subq->TrackNumber;
472 cdr.subq.Index = subq->IndexNumber;
473 memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3);
474 memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3);
477 CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n",
478 tmp[0], tmp[1], tmp[2]);
485 CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n",
486 cdr.subq.Track, cdr.subq.Index,
487 cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2],
488 cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]);
491 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
493 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
501 static void cdrPlayInterrupt_Autopause()
503 if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) {
504 CDR_LOG( "CDDA STOP\n" );
506 // Magic the Gathering
507 // - looping territory cdda
510 //cdr.ResultReady = 1;
511 //cdr.Stat = DataReady;
517 else if (cdr.Mode & MODE_REPORT) {
519 cdr.Result[0] = cdr.StatP;
520 cdr.Result[1] = cdr.subq.Track;
521 cdr.Result[2] = cdr.subq.Index;
523 if (cdr.subq.Absolute[2] & 0x10) {
524 cdr.Result[3] = cdr.subq.Relative[0];
525 cdr.Result[4] = cdr.subq.Relative[1] | 0x80;
526 cdr.Result[5] = cdr.subq.Relative[2];
529 cdr.Result[3] = cdr.subq.Absolute[0];
530 cdr.Result[4] = cdr.subq.Absolute[1];
531 cdr.Result[5] = cdr.subq.Absolute[2];
537 // Rayman: Logo freeze (resultready + dataready)
539 cdr.Stat = DataReady;
547 void cdrPlayInterrupt()
549 if (cdr.Seeked == SEEK_PENDING) {
551 CDR_LOG_I("cdrom: seek stat hack\n");
556 cdr.StatP |= STATUS_ROTATING;
557 cdr.StatP &= ~STATUS_SEEK;
558 cdr.Result[0] = cdr.StatP;
559 cdr.Seeked = SEEK_DONE;
565 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
566 Find_CurTrack(cdr.SetSectorPlay);
567 ReadTrack(cdr.SetSectorPlay);
568 cdr.TrackChanged = FALSE;
571 if (!cdr.Play) return;
573 CDR_LOG( "CDDA - %d:%d:%d\n",
574 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
576 if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) {
578 cdr.TrackChanged = TRUE;
581 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
582 cdrPlayInterrupt_Autopause();
584 if (!cdr.Play) return;
586 cdr.SetSectorPlay[2]++;
587 if (cdr.SetSectorPlay[2] == 75) {
588 cdr.SetSectorPlay[2] = 0;
589 cdr.SetSectorPlay[1]++;
590 if (cdr.SetSectorPlay[1] == 60) {
591 cdr.SetSectorPlay[1] = 0;
592 cdr.SetSectorPlay[0]++;
596 CDRMISC_INT(cdReadTime);
598 // update for CdlGetlocP/autopause
599 generate_subq(cdr.SetSectorPlay);
602 void cdrInterrupt() {
604 unsigned char Irq = cdr.Irq;
608 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
619 cdr.StatP |= STATUS_ROTATING;
620 cdr.Result[0] = cdr.StatP;
621 cdr.Stat = Acknowledge;
626 cdr.Result[0] = cdr.StatP;
627 cdr.Stat = Acknowledge;
629 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
635 cdr.StatP |= STATUS_ROTATING;
636 cdr.Result[0] = cdr.StatP;
637 cdr.Stat = Acknowledge;
641 if (cdr.Seeked == SEEK_PENDING) {
642 // XXX: wrong, should seek instead..
643 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
644 cdr.Seeked = SEEK_DONE;
648 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
650 if (cdr.ParamC == 0 || cdr.Param[0] == 0) {
651 CDR_LOG("PLAY Resume @ %d:%d:%d\n",
652 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]);
656 int track = btoi( cdr.Param[0] );
658 if (track <= cdr.ResultTN[1])
659 cdr.CurTrack = track;
661 CDR_LOG("PLAY track %d\n", cdr.CurTrack);
663 if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) {
664 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
665 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
666 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
671 Rayman: detect track changes
674 Twisted Metal 2: skip PREGAP + starting accurate SubQ
675 - plays tracks without retry play
677 Wild 9: skip PREGAP + starting accurate SubQ
678 - plays tracks without retry play
680 Find_CurTrack(cdr.SetSectorPlay);
681 ReadTrack(cdr.SetSectorPlay);
682 cdr.TrackChanged = FALSE;
685 CDR_play(cdr.SetSectorPlay);
687 // Vib Ribbon: gameplay checks flag
688 cdr.StatP &= ~STATUS_SEEK;
692 cdr.StatP |= STATUS_ROTATING;
693 cdr.Result[0] = cdr.StatP;
694 cdr.Stat = Acknowledge;
696 cdr.StatP |= STATUS_PLAY;
699 // BIOS player - set flag again
702 CDRMISC_INT( cdReadTime );
708 cdr.StatP |= STATUS_ROTATING;
709 cdr.Result[0] = cdr.StatP;
713 // GameShark CD Player: Calls 2x + Play 2x
714 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
715 else cdr.FastForward++;
717 cdr.FastBackward = 0;
723 cdr.StatP |= STATUS_ROTATING;
724 cdr.Result[0] = cdr.StatP;
728 // GameShark CD Player: Calls 2x + Play 2x
729 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
730 else cdr.FastBackward++;
738 cdr.StatP |= STATUS_ROTATING;
739 cdr.Result[0] = cdr.StatP;
746 cdr.StatP &= ~STATUS_ROTATING;
747 cdr.Result[0] = cdr.StatP;
749 // cdr.Stat = Acknowledge;
751 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
756 cdr.Result[0] = cdr.StatP;
757 cdr.Stat = Acknowledge;
760 Gundam Battle Assault 2: much slower (*)
761 - Fixes boot, gameplay
763 Hokuto no Ken 2: slower
764 - Fixes intro + subtitles
766 InuYasha - Feudal Fairy Tale: slower
769 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
773 case CdlPause + 0x20:
775 cdr.StatP &= ~STATUS_READ;
776 cdr.StatP |= STATUS_ROTATING;
777 cdr.Result[0] = cdr.StatP;
783 cdr.StatP = STATUS_ROTATING;
784 cdr.Result[0] = cdr.StatP;
785 cdr.Stat = Acknowledge;
787 AddIrqQueue(CdlInit + 0x20, 0x800);
793 cdr.Result[0] = cdr.StatP;
800 cdr.StatP |= STATUS_ROTATING;
801 cdr.Result[0] = cdr.StatP;
802 cdr.Stat = Acknowledge;
807 cdr.StatP |= STATUS_ROTATING;
808 cdr.Result[0] = cdr.StatP;
809 cdr.Stat = Acknowledge;
814 cdr.StatP |= STATUS_ROTATING;
815 cdr.Result[0] = cdr.StatP;
816 cdr.Stat = Acknowledge;
821 cdr.StatP |= STATUS_ROTATING;
822 cdr.Result[0] = cdr.StatP;
823 cdr.Stat = Acknowledge;
828 cdr.StatP |= STATUS_ROTATING;
829 cdr.Result[0] = cdr.StatP;
830 cdr.Result[1] = cdr.Mode;
831 cdr.Result[2] = cdr.File;
832 cdr.Result[3] = cdr.Channel;
835 cdr.Stat = Acknowledge;
840 for (i = 0; i < 8; i++)
841 cdr.Result[i] = cdr.Transfer[i];
842 cdr.Stat = Acknowledge;
847 memcpy(&cdr.Result, &cdr.subq, 8);
849 if (!cdr.Play && !cdr.Reading)
850 cdr.Result[1] = 0; // HACK?
852 cdr.Stat = Acknowledge;
858 cdr.StatP |= STATUS_ROTATING;
859 cdr.Result[0] = cdr.StatP;
860 if (CDR_getTN(cdr.ResultTN) == -1) {
861 cdr.Stat = DiskError;
862 cdr.Result[0] |= STATUS_ERROR;
864 cdr.Stat = Acknowledge;
865 cdr.Result[1] = itob(cdr.ResultTN[0]);
866 cdr.Result[2] = itob(cdr.ResultTN[1]);
872 cdr.Track = btoi(cdr.Param[0]);
874 cdr.StatP |= STATUS_ROTATING;
875 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
876 cdr.Stat = DiskError;
877 cdr.Result[0] |= STATUS_ERROR;
879 cdr.Stat = Acknowledge;
880 cdr.Result[0] = cdr.StatP;
881 cdr.Result[1] = itob(cdr.ResultTD[2]);
882 cdr.Result[2] = itob(cdr.ResultTD[1]);
883 cdr.Result[3] = itob(cdr.ResultTD[0]);
890 cdr.StatP |= STATUS_ROTATING;
891 cdr.Result[0] = cdr.StatP;
892 cdr.StatP |= STATUS_SEEK;
893 cdr.Stat = Acknowledge;
896 Crusaders of Might and Magic = 0.5x-4x
897 - fix cutscene speech start
903 - fix cutscene speech
908 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
909 cdr.Seeked = SEEK_PENDING;
913 cdr.Stat = Acknowledge;
914 switch (cdr.Param[0]) {
915 case 0x20: // System Controller ROM Version
917 memcpy(cdr.Result, Test20, 4);
921 memcpy(cdr.Result, Test22, 4);
923 case 0x23: case 0x24:
925 memcpy(cdr.Result, Test23, 4);
932 cdr.StatP |= STATUS_ROTATING;
933 cdr.Result[0] = cdr.StatP;
934 cdr.Stat = Acknowledge;
935 AddIrqQueue(CdlID + 0x20, 0x800);
940 cdr.Result[0] = cdr.StatP;
945 // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed
946 if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) {
947 cdr.Result[1] = 0xc0;
951 cdr.Result[1] |= 0x10;
952 if (CdromId[0] == '\0')
953 cdr.Result[1] |= 0x80;
955 cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08;
957 strncpy((char *)&cdr.Result[4], "PCSX", 4);
963 cdr.StatP = STATUS_ROTATING;
964 cdr.Result[0] = cdr.StatP;
965 cdr.Stat = Acknowledge;
970 cdr.StatP |= STATUS_ROTATING;
971 cdr.Result[0] = cdr.StatP;
972 cdr.Stat = Acknowledge;
973 AddIrqQueue(CdlReadT + 0x20, 0x800);
976 case CdlReadT + 0x20:
978 cdr.StatP |= STATUS_ROTATING;
979 cdr.Result[0] = cdr.StatP;
985 cdr.StatP |= STATUS_ROTATING;
986 cdr.Result[0] = cdr.StatP;
987 cdr.Stat = Acknowledge;
988 AddIrqQueue(CdlReadToc + 0x20, cdReadTime * 16);
991 case CdlReadToc + 0x20:
993 cdr.StatP |= STATUS_ROTATING;
994 cdr.Result[0] = cdr.StatP;
1000 if (!cdr.Reading) return;
1002 // Fighting Force 2 - update subq time immediately
1004 Find_CurTrack(cdr.SetSector);
1005 ReadTrack(cdr.SetSector);
1008 // Crusaders of Might and Magic - update getlocl now
1009 // - fixes cutscene speech
1011 u8 *buf = CDR_getBuffer();
1013 memcpy(cdr.Transfer, buf, 8);
1017 Duke Nukem: Land of the Babes - seek then delay read for one frame
1019 C-12 - Final Resistance - doesn't like seek
1022 if (cdr.Seeked != SEEK_DONE) {
1023 cdr.StatP |= STATUS_SEEK;
1024 cdr.StatP &= ~STATUS_READ;
1026 // Crusaders of Might and Magic - use short time
1027 // - fix cutscene speech (startup)
1029 // ??? - use more accurate seek time later
1030 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1032 cdr.StatP |= STATUS_READ;
1033 cdr.StatP &= ~STATUS_SEEK;
1035 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1039 cdr.StatP |= STATUS_ROTATING;
1040 cdr.Result[0] = cdr.StatP;
1041 cdr.Stat = Acknowledge;
1045 cdr.Stat = Complete;
1055 #ifdef CDR_LOG_CMD_IRQ
1056 SysPrintf("IRQ %d cmd %02x stat %02x: ",
1057 !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat);
1058 for (i = 0; i < cdr.ResultC; i++)
1059 SysPrintf("%02x ", cdr.Result[i]);
1064 #ifdef __ARM_ARCH_7A__
1065 #define ssat32_to_16(v) \
1066 asm("ssat %0,#16,%1" : "=r" (v) : "r" (v))
1068 #define ssat32_to_16(v) do { \
1069 if (v < -32768) v = -32768; \
1070 else if (v > 32767) v = 32767; \
1074 void cdrAttenuate(s16 *buf, int samples, int stereo)
1077 int ll = cdr.AttenuatorLeftToLeft;
1078 int lr = cdr.AttenuatorLeftToRight;
1079 int rl = cdr.AttenuatorRightToLeft;
1080 int rr = cdr.AttenuatorRightToRight;
1082 if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88)
1085 if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40)
1089 for (i = 0; i < samples; i++) {
1092 l = (l * ll + r * rl) >> 7;
1093 r = (r * rr + l * lr) >> 7;
1101 for (i = 0; i < samples; i++) {
1103 l = l * (ll + rl) >> 7;
1104 //r = r * (rr + lr) >> 7;
1112 void cdrReadInterrupt() {
1118 if (cdr.Irq || cdr.Stat) {
1119 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1126 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1127 cdr.StatP &= ~STATUS_SEEK;
1128 cdr.Result[0] = cdr.StatP;
1129 cdr.Seeked = SEEK_DONE;
1131 ReadTrack(cdr.SetSector);
1133 buf = CDR_getBuffer();
1137 if (cdr.RErr == -1) {
1138 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1139 memset(cdr.Transfer, 0, DATA_SIZE);
1140 cdr.Stat = DiskError;
1141 cdr.Result[0] |= STATUS_ERROR;
1142 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1146 memcpy(cdr.Transfer, buf, DATA_SIZE);
1147 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1150 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1152 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1153 // Firemen 2: Multi-XA files - briefings, cutscenes
1154 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1155 cdr.File = cdr.Transfer[4 + 0];
1156 cdr.Channel = cdr.Transfer[4 + 1];
1159 if((cdr.Transfer[4 + 2] & 0x4) &&
1160 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1161 (cdr.Transfer[4 + 0] == cdr.File)) {
1162 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1164 cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo);
1165 SPU_playADPCMchannel(&cdr.Xa);
1166 cdr.FirstSector = 0;
1168 else cdr.FirstSector = -1;
1173 if (cdr.SetSector[2] == 75) {
1174 cdr.SetSector[2] = 0;
1176 if (cdr.SetSector[1] == 60) {
1177 cdr.SetSector[1] = 0;
1184 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1187 Croc 2: $40 - only FORM1 (*)
1188 Judge Dredd: $C8 - only FORM1 (*)
1189 Sim Theme Park - no adpcm at all (zero)
1192 if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
1193 cdr.Stat = DataReady;
1197 // update for CdlGetlocP
1198 ReadTrack(cdr.SetSector);
1209 bit 5 - 1 result ready
1211 bit 7 - 1 command being processed
1214 unsigned char cdrRead0(void) {
1215 if (cdr.ResultReady)
1223 // cdr.Ctrl &= ~0x40;
1225 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1228 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1230 return psxHu8(0x1800) = cdr.Ctrl;
1233 void cdrWrite0(unsigned char rt) {
1234 CDR_LOG_IO("cdr w0: %02x\n", rt);
1236 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1239 unsigned char cdrRead1(void) {
1240 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1241 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1245 if (cdr.ResultP == cdr.ResultC)
1246 cdr.ResultReady = 0;
1248 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1250 return psxHu8(0x1801);
1253 void cdrWrite1(unsigned char rt) {
1257 CDR_LOG_IO("cdr w1: %02x\n", rt);
1259 switch (cdr.Ctrl & 3) {
1263 cdr.AttenuatorRightToRightT = rt;
1272 #ifdef CDR_LOG_CMD_IRQ
1273 SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]);
1275 SysPrintf(" Param[%d] = {", cdr.ParamC);
1276 for (i = 0; i < cdr.ParamC; i++)
1277 SysPrintf(" %x,", cdr.Param[i]);
1284 cdr.ResultReady = 0;
1286 // cdr.Stat = NoIntr;
1287 AddIrqQueue(cdr.Cmd, 0x800);
1306 for (i = 0; i < 3; i++)
1307 set_loc[i] = btoi(cdr.Param[i]);
1309 // FIXME: clean up this SetSector/SetSectorPlay mess,
1310 // there should be single var tracking current sector pos
1312 i = msf2sec(cdr.SetSectorPlay);
1314 i = msf2sec(cdr.SetSector);
1315 i = abs(i - msf2sec(set_loc));
1317 cdr.Seeked = SEEK_PENDING;
1319 memcpy(cdr.SetSector, set_loc, 3);
1320 cdr.SetSector[3] = 0;
1324 // Vib Ribbon: try same track again
1327 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1328 // - fixes ribbon timing + music CD mode
1329 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1333 cdr.StatP |= STATUS_SEEK;
1334 cdr.StatP &= ~STATUS_ROTATING;
1340 cdr.FirstSector = 1;
1350 // GameShark CD Player: Reset CDDA to track start
1352 // grab time for current track
1353 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1355 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1356 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1357 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1366 GameShark CD Player: save time for resume
1368 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1377 cdr.Seeked = SEEK_DONE;
1384 // Duke Nukem - Time to Kill
1385 // - do not directly set cd-xa volume
1386 //SPU_writeRegister( H_CDLeft, 0x0000 );
1387 //SPU_writeRegister( H_CDRight, 0x0000 );
1393 // Duke Nukem - Time to Kill
1394 // - do not directly set cd-xa volume
1395 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1396 //SPU_writeRegister( H_CDRight, 0x7f00 );
1400 cdr.File = cdr.Param[0];
1401 cdr.Channel = cdr.Param[1];
1405 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1407 cdr.Mode = cdr.Param[0];
1409 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1410 // - fixes choppy movie sound
1411 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1416 //AddIrqQueue(cdr.Cmd, 0x800);
1418 // GameShark CDX CD Player: very long time
1419 AddIrqQueue(cdr.Cmd, 0x100000);
1424 // Tomb Raider 2 - reset cdda
1432 cdr.FirstSector = 1;
1438 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1443 unsigned char cdrRead2(void) {
1446 if (cdr.Readed == 0) {
1452 CDR_LOG_IO("cdr r2: %02x\n", ret);
1456 void cdrWrite2(unsigned char rt) {
1457 CDR_LOG_IO("cdr w2: %02x\n", rt);
1459 switch (cdr.Ctrl & 3) {
1461 if (cdr.ParamC < 8) // FIXME: size and wrapping
1462 cdr.Param[cdr.ParamC++] = rt;
1469 cdr.AttenuatorLeftToLeftT = rt;
1472 cdr.AttenuatorRightToLeftT = rt;
1477 unsigned char cdrRead3(void) {
1479 psxHu8(0x1803) = cdr.Stat | 0xE0;
1481 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1483 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1484 return psxHu8(0x1803);
1487 void cdrWrite3(unsigned char rt) {
1488 CDR_LOG_IO("cdr w3: %02x\n", rt);
1490 switch (cdr.Ctrl & 3) {
1500 cdr.AttenuatorLeftToRightT = rt;
1504 memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4);
1505 CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n",
1506 cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight,
1507 cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight);
1512 if ((rt & 0x80) && cdr.Readed == 0) {
1514 pTransfer = cdr.Transfer;
1516 switch (cdr.Mode & 0x30) {
1517 case MODE_SIZE_2328:
1522 case MODE_SIZE_2340:
1532 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1537 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1542 if (cdr.Readed == 0) {
1543 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1547 cdsize = (bcr & 0xffff) * 4;
1549 // Ape Escape: bcr = 0001 / 0000
1553 switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) {
1554 case MODE_SIZE_2340: cdsize = 2340; break;
1555 case MODE_SIZE_2328: cdsize = 2328; break;
1557 case MODE_SIZE_2048: cdsize = 2048; break;
1562 ptr = (u8 *)PSXM(madr);
1564 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1569 GS CDX: Enhancement CD crash
1572 - Spams DMA3 and gets buffer overrun
1574 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1579 memcpy(ptr, pTransfer, size);
1582 psxCpu->Clear(madr, cdsize / 4);
1583 pTransfer += cdsize;
1587 if( chcr == 0x11400100 ) {
1588 CDRDMA_INT( (cdsize/4) / 4 );
1590 else if( chcr == 0x11000000 ) {
1591 CDRDMA_INT( (cdsize/4) * 1 );
1596 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1600 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1604 void cdrDmaInterrupt()
1606 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1608 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1613 static void getCdInfo(void)
1617 CDR_getTN(cdr.ResultTN);
1618 CDR_getTD(0, cdr.SetSectorEnd);
1619 tmp = cdr.SetSectorEnd[0];
1620 cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2];
1621 cdr.SetSectorEnd[2] = tmp;
1625 memset(&cdr, 0, sizeof(cdr));
1631 pTransfer = cdr.Transfer;
1633 // BIOS player - default values
1634 cdr.AttenuatorLeftToLeft = 0x80;
1635 cdr.AttenuatorLeftToRight = 0x00;
1636 cdr.AttenuatorRightToLeft = 0x00;
1637 cdr.AttenuatorRightToRight = 0x80;
1642 int cdrFreeze(void *f, int Mode) {
1646 if (Mode == 0 && !Config.Cdda)
1649 cdr.freeze_ver = 0x63647201;
1650 gzfreeze(&cdr, sizeof(cdr));
1653 cdr.ParamP = cdr.ParamC;
1654 tmp = pTransfer - cdr.Transfer;
1657 gzfreeze(&tmp, sizeof(tmp));
1662 pTransfer = cdr.Transfer + tmp;
1664 // read right sub data
1665 memcpy(tmpp, cdr.Prev, 3);
1670 Find_CurTrack(cdr.SetSectorPlay);
1672 CDR_play(cdr.SetSectorPlay);
1675 if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {
1676 // old versions did not latch Reg2, have to fixup..
1677 if (cdr.Reg2 == 0) {
1678 SysPrintf("cdrom: fixing up old savestate\n");
1687 void LidInterrupt() {
1688 cdr.LidCheck = 0x20; // start checker
1693 CDRLID_INT( cdReadTime * 3 );
1695 // generate interrupt if none active - open or close
1696 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1699 AddIrqQueue(CdlNop, 0x800);