X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=1e8f950aa2fe8b6ffb1bc2ec183623c4ccd17c82;hb=1f035e278151a3e29b3d2077f7242787fc541216;hp=ca7f9f7b1d53c4b85c11847e636b0453b5643ec0;hpb=030bd76a17021cb6e56aad5ae5d0320d7d43133b;p=pcsx_rearmed.git

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index ca7f9f7b..1e8f950a 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -14,16 +14,17 @@
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  ***************************************************************************/
 
-/* 
+/*
 * Handles all CD-ROM registers and functions.
 */
 
 #include "cdrom.h"
 #include "ppf.h"
 #include "psxdma.h"
+#include "arm_features.h"
 
 /* logging */
 #if 0
@@ -47,7 +48,7 @@ cdrStruct cdr;
 static unsigned char *pTransfer;
 
 /* CD-ROM magic numbers */
-#define CdlSync        0
+#define CdlSync        0  /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */
 #define CdlNop         1
 #define CdlSetloc      2
 #define CdlPlay        3
@@ -126,7 +127,7 @@ unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
 #define STATUS_ERROR     (1<<0) // 0x01
 
 /* Errors */
-#define ERROR_NOT_READY  (1<<7) // 0x80
+#define ERROR_NOTREADY   (1<<7) // 0x80
 #define ERROR_INVALIDCMD (1<<6) // 0x40
 #define ERROR_INVALIDARG (1<<5) // 0x20
 
@@ -205,7 +206,7 @@ static void sec2msf(unsigned int s, u8 *msf) {
 		cdr.Reading = 0; \
 		psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
 	} \
-	cdr.StatP &= ~STATUS_READ;\
+	cdr.StatP &= ~(STATUS_READ|STATUS_SEEK);\
 }
 
 #define StopCdda() { \
@@ -492,7 +493,11 @@ void cdrPlayInterrupt()
 			setIrq();
 		}
 
-		memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+		if (cdr.SetlocPending) {
+			memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+			cdr.SetlocPending = 0;
+			cdr.m_locationChanged = TRUE;
+		}
 		Find_CurTrack(cdr.SetSectorPlay);
 		ReadTrack(cdr.SetSectorPlay);
 		cdr.TrackChanged = FALSE;
@@ -523,7 +528,15 @@ void cdrPlayInterrupt()
 		}
 	}
 
-	CDRMISC_INT(cdReadTime);
+	if (cdr.m_locationChanged)
+	{
+		CDRMISC_INT(cdReadTime * 30);
+		cdr.m_locationChanged = FALSE;
+	}
+	else
+	{
+		CDRMISC_INT(cdReadTime);
+	}
 
 	// update for CdlGetlocP/autopause
 	generate_subq(cdr.SetSectorPlay);
@@ -535,6 +548,7 @@ void cdrInterrupt() {
 	int start_rotating = 0;
 	int error = 0;
 	int delay;
+	unsigned int seekTime = 0;
 
 	// Reschedule IRQ
 	if (cdr.Stat) {
@@ -561,10 +575,6 @@ void cdrInterrupt() {
 	cdr.Irq = 0;
 
 	switch (Irq) {
-		case CdlSync:
-			// TOOD: sometimes/always return error?
-			break;
-
 		case CdlNop:
 			if (cdr.DriveState != DRIVESTATE_LID_OPEN)
 				cdr.StatP &= ~STATUS_SHELLOPEN;
@@ -574,13 +584,18 @@ void cdrInterrupt() {
 		case CdlSetloc:
 			break;
 
+		do_CdlPlay:
 		case CdlPlay:
 			StopCdda();
 			if (cdr.Seeked == SEEK_PENDING) {
 				// XXX: wrong, should seek instead..
-				memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
 				cdr.Seeked = SEEK_DONE;
 			}
+			if (cdr.SetlocPending) {
+				memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+				cdr.SetlocPending = 0;
+				cdr.m_locationChanged = TRUE;
+			}
 
 			// BIOS CD Player
 			// - Pause player, hit Track 01/02/../xx (Setloc issued!!)
@@ -900,13 +915,25 @@ void cdrInterrupt() {
 
 		case CdlReadN:
 		case CdlReadS:
+			if (cdr.SetlocPending) {
+				seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(cdr.SetSector)) * (cdReadTime / 200);
+				if(seekTime > 1000000) seekTime = 1000000;
+				memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+				cdr.SetlocPending = 0;
+				cdr.m_locationChanged = TRUE;
+			}
+			Find_CurTrack(cdr.SetSectorPlay);
+
+			if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1)
+				// Read* acts as play for cdda tracks in cdda mode
+				goto do_CdlPlay;
+
 			cdr.Reading = 1;
 			cdr.FirstSector = 1;
 
 			// Fighting Force 2 - update subq time immediately
 			// - fixes new game
-			Find_CurTrack(cdr.SetSector);
-			ReadTrack(cdr.SetSector);
+			ReadTrack(cdr.SetSectorPlay);
 
 
 			// Crusaders of Might and Magic - update getlocl now
@@ -931,7 +958,7 @@ void cdrInterrupt() {
 				// - fix cutscene speech (startup)
 
 				// ??? - use more accurate seek time later
-				CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
+				CDREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1) + seekTime);
 			} else {
 				cdr.StatP |= STATUS_READ;
 				cdr.StatP &= ~STATUS_SEEK;
@@ -942,7 +969,7 @@ void cdrInterrupt() {
 			cdr.Result[0] = cdr.StatP;
 			start_rotating = 1;
 			break;
-
+		case CdlSync:
 		default:
 			CDR_LOG_I("Invalid command: %02x\n", Irq);
 			error = ERROR_INVALIDCMD;
@@ -968,7 +995,7 @@ void cdrInterrupt() {
 		case DRIVESTATE_PREPARE_CD:
 			SetResultSize(2);
 			cdr.Result[0] = cdr.StatP | STATUS_ERROR;
-			cdr.Result[1] = ERROR_NOT_READY;
+			cdr.Result[1] = ERROR_NOTREADY;
 			cdr.Stat = DiskError;
 			break;
 		}
@@ -990,7 +1017,7 @@ finish:
 #endif
 }
 
-#ifdef __ARM_ARCH_7A__
+#ifdef HAVE_ARMV7
  #define ssat32_to_16(v) \
   asm("ssat %0,#16,%1" : "=r" (v) : "r" (v))
 #else
@@ -1057,7 +1084,7 @@ void cdrReadInterrupt() {
 	cdr.Result[0] = cdr.StatP;
 	cdr.Seeked = SEEK_DONE;
 
-	ReadTrack(cdr.SetSector);
+	ReadTrack(cdr.SetSectorPlay);
 
 	buf = CDR_getBuffer();
 	if (buf == NULL)
@@ -1085,9 +1112,14 @@ void cdrReadInterrupt() {
 			cdr.Channel = cdr.Transfer[4 + 1];
 		}
 
+		/* Gameblabla 
+		 * Skips playing on channel 255.
+		 * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2)
+		 * TODO : Check if this is the proper behaviour.
+		 * */
 		if((cdr.Transfer[4 + 2] & 0x4) &&
 			 (cdr.Transfer[4 + 1] == cdr.Channel) &&
-			 (cdr.Transfer[4 + 0] == cdr.File)) {
+			 (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) {
 			int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
 			if (!ret) {
 				cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo);
@@ -1098,19 +1130,25 @@ void cdrReadInterrupt() {
 		}
 	}
 
-	cdr.SetSector[2]++;
-	if (cdr.SetSector[2] == 75) {
-		cdr.SetSector[2] = 0;
-		cdr.SetSector[1]++;
-		if (cdr.SetSector[1] == 60) {
-			cdr.SetSector[1] = 0;
-			cdr.SetSector[0]++;
+	cdr.SetSectorPlay[2]++;
+	if (cdr.SetSectorPlay[2] == 75) {
+		cdr.SetSectorPlay[2] = 0;
+		cdr.SetSectorPlay[1]++;
+		if (cdr.SetSectorPlay[1] == 60) {
+			cdr.SetSectorPlay[1] = 0;
+			cdr.SetSectorPlay[0]++;
 		}
 	}
 
 	cdr.Readed = 0;
 
-	CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
+	uint32_t delay = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
+	if (cdr.m_locationChanged) {
+		CDREAD_INT(delay * 30);
+		cdr.m_locationChanged = FALSE;
+	} else {
+		CDREAD_INT(delay);
+	}
 
 	/*
 	Croc 2: $40 - only FORM1 (*)
@@ -1124,7 +1162,7 @@ void cdrReadInterrupt() {
 	}
 
 	// update for CdlGetlocP
-	ReadTrack(cdr.SetSector);
+	ReadTrack(cdr.SetSectorPlay);
 }
 
 /*
@@ -1218,18 +1256,14 @@ void cdrWrite1(unsigned char rt) {
 		for (i = 0; i < 3; i++)
 			set_loc[i] = btoi(cdr.Param[i]);
 
-		// FIXME: clean up this SetSector/SetSectorPlay mess,
-		// there should be single var tracking current sector pos
-		if (cdr.Play)
-			i = msf2sec(cdr.SetSectorPlay);
-		else
-			i = msf2sec(cdr.SetSector);
+		i = msf2sec(cdr.SetSectorPlay);
 		i = abs(i - msf2sec(set_loc));
 		if (i > 16)
 			cdr.Seeked = SEEK_PENDING;
 
 		memcpy(cdr.SetSector, set_loc, 3);
 		cdr.SetSector[3] = 0;
+		cdr.SetlocPending = 1;
 		break;
 
 	case CdlReadN:
@@ -1401,13 +1435,15 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) {
 			psxCpu->Clear(madr, cdsize / 4);
 			pTransfer += cdsize;
 
-
-			// burst vs normal
 			if( chcr == 0x11400100 ) {
+				HW_DMA3_MADR = SWAPu32(madr + cdsize);
 				CDRDMA_INT( (cdsize/4) / 4 );
 			}
 			else if( chcr == 0x11000000 ) {
-				CDRDMA_INT( (cdsize/4) * 1 );
+				// CDRDMA_INT( (cdsize/4) * 1 );
+				// halted
+				psxRegs.cycle += (cdsize/4) * 24/2;
+				CDRDMA_INT(16);
 			}
 			return;
 
@@ -1448,7 +1484,10 @@ void cdrReset() {
 	cdr.Reg2 = 0x1f;
 	cdr.Stat = NoIntr;
 	cdr.DriveState = DRIVESTATE_STANDBY;
+	cdr.StatP = STATUS_ROTATING;
 	pTransfer = cdr.Transfer;
+	cdr.SetlocPending = 0;
+	cdr.m_locationChanged = FALSE;
 
 	// BIOS player - default values
 	cdr.AttenuatorLeftToLeft = 0x80;
@@ -1466,7 +1505,7 @@ int cdrFreeze(void *f, int Mode) {
 	if (Mode == 0 && !Config.Cdda)
 		CDR_stop();
 	
-	cdr.freeze_ver = 0x63647201;
+	cdr.freeze_ver = 0x63647202;
 	gzfreeze(&cdr, sizeof(cdr));
 	
 	if (Mode == 1) {
@@ -1482,11 +1521,16 @@ int cdrFreeze(void *f, int Mode) {
 		pTransfer = cdr.Transfer + tmp;
 
 		// read right sub data
-		memcpy(tmpp, cdr.Prev, 3);
+		tmpp[0] = btoi(cdr.Prev[0]);
+		tmpp[1] = btoi(cdr.Prev[1]);
+		tmpp[2] = btoi(cdr.Prev[2]);
 		cdr.Prev[0]++;
 		ReadTrack(tmpp);
 
 		if (cdr.Play) {
+			if (cdr.freeze_ver < 0x63647202)
+				memcpy(cdr.SetSectorPlay, cdr.SetSector, 3);
+
 			Find_CurTrack(cdr.SetSectorPlay);
 			if (!Config.Cdda)
 				CDR_play(cdr.SetSectorPlay);
@@ -1498,6 +1542,12 @@ int cdrFreeze(void *f, int Mode) {
 				SysPrintf("cdrom: fixing up old savestate\n");
 				cdr.Reg2 = 7;
 			}
+			// also did not save Attenuator..
+			if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight
+			     | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0)
+			{
+				cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80;
+			}
 		}
 	}