X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=3117a9bd622cd27f0a71da5c86949aa2d31e824e;hp=5ea0e3d4487b77ae5b52eaf7ab7b98f360cb5b69;hb=a2d3ccb80003794a38ee9183b6f01de189beaff0;hpb=2d5ca6c0ed5b30a57a7eebc263ea0a624c33df57

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 5ea0e3d4..3117a9bd 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -108,6 +108,7 @@ unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
 #define MODE_STRSND      (1<<6) // 0x40 ADPCM on/off
 #define MODE_SIZE_2340   (1<<5) // 0x20
 #define MODE_SIZE_2328   (1<<4) // 0x10
+#define MODE_SIZE_2048   (0<<4) // 0x00
 #define MODE_SF          (1<<3) // 0x08 channel on/off
 #define MODE_REPORT      (1<<2) // 0x04
 #define MODE_AUTOPAUSE   (1<<1) // 0x02
@@ -124,7 +125,6 @@ unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
 #define STATUS_ERROR     (1<<0) // 0x01
 
 
-
 // 1x = 75 sectors per second
 // PSXCLK = 1 sec in the ps
 // so (PSXCLK / 75) = cdr read time (linuzappz)
@@ -138,10 +138,15 @@ enum seeked_state {
 
 static struct CdrStat stat;
 
-static unsigned int msf2sec(u8 *msf) {
+static unsigned int msf2sec(const u8 *msf) {
 	return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
 }
 
+// for that weird psemu API..
+static unsigned int fsm2sec(const u8 *msf) {
+	return ((msf[2] * 60 + msf[1]) * 75) + msf[0];
+}
+
 static void sec2msf(unsigned int s, u8 *msf) {
 	msf[0] = s / 75 / 60;
 	s = s - msf[0] * 75 * 60;
@@ -375,164 +380,126 @@ static void Check_Shell( int Irq )
 	}
 }
 
-void Find_CurTrack() {
-	cdr.CurTrack = 0;
-
-	if (CDR_getTN(cdr.ResultTN) != -1) {
-		int lcv;
-
-		for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
-			if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
-				u32 sect1, sect2;
-
-				CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
-					cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
-					cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
-					cdr.CurTrack );
-
-				// find next track boundary - only need m:s accuracy
-				sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
-				sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
-
-				// Twisted Metal 4 - psx cdda pregap (2-sec)
-				// - fix in-game music
-				sect2 -= 75 * 2;
+static void Find_CurTrack(const u8 *time)
+{
+	int current, sect;
 
-				if( sect1 >= sect2 ) {
-					cdr.CurTrack++;
-					continue;
-				}
-			}
+	current = msf2sec(time);
 
+	for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) {
+		CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD);
+		sect = fsm2sec(cdr.ResultTD);
+		if (sect - current >= 150)
 			break;
-		}
 	}
 }
 
-static void ReadTrack( u8 *time ) {
-	cdr.Prev[0] = itob( time[0] );
-	cdr.Prev[1] = itob( time[1] );
-	cdr.Prev[2] = itob( time[2] );
-
-	CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
-	cdr.RErr = CDR_readTrack(cdr.Prev);
-}
-
-
-static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
-	if (cdr.Irq != 0)
-		CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
-
-	cdr.Irq = irq;
-	cdr.eCycle = ecycle;
-
-	CDR_INT(ecycle);
-}
-
-static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
-static void Create_Fake_Subq()
+static void generate_subq(const u8 *time)
 {
-	u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
-	int diff;
+	unsigned char start[3], next[3];
+	unsigned int this_s, start_s, next_s, pregap;
+	int relative_s;
 
-	if (CDR_getTN(cdr.ResultTN) == -1) return;
-	if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
+	CDR_getTD(cdr.CurTrack, start);
+	if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) {
 		pregap = 150;
-		if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
-	} else {
+		CDR_getTD(cdr.CurTrack + 1, next);
+	}
+	else {
 		// last track - cd size
 		pregap = 0;
-		if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
-	}
-
-	if( cdr.Play == TRUE ) {
-		temp_cur[0] = cdr.SetSectorPlay[0];
-		temp_cur[1] = cdr.SetSectorPlay[1];
-		temp_cur[2] = cdr.SetSectorPlay[2];
-	} else {
-		temp_cur[0] = btoi( cdr.Prev[0] );
-		temp_cur[1] = btoi( cdr.Prev[1] );
-		temp_cur[2] = btoi( cdr.Prev[2] );
+		next[0] = cdr.SetSectorEnd[2];
+		next[1] = cdr.SetSectorEnd[1];
+		next[2] = cdr.SetSectorEnd[0];
 	}
 
-	fake_subq_real[0] = temp_cur[0];
-	fake_subq_real[1] = temp_cur[1];
-	fake_subq_real[2] = temp_cur[2];
-
-	temp_next[0] = cdr.ResultTD[2];
-	temp_next[1] = cdr.ResultTD[1];
-	temp_next[2] = cdr.ResultTD[0];
-
+	this_s = msf2sec(time);
+	start_s = fsm2sec(start);
+	next_s = fsm2sec(next);
 
-	// flag- next track
-	if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
-		fake_subq_change = 1;
+	cdr.TrackChanged = FALSE;
 
+	if (next_s - this_s < pregap) {
+		cdr.TrackChanged = TRUE;
 		cdr.CurTrack++;
-
-		// end cd
-		if( pregap == 0 ) StopCdda();
+		start_s = next_s;
 	}
 
-	//////////////////////////////////////////////////
-	//////////////////////////////////////////////////
+	cdr.subq.Index = 1;
 
-	// repair
-	if( cdr.CurTrack <= cdr.ResultTN[1] ) {
-		if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
-	} else {
-		// last track - cd size
-		if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
+	relative_s = this_s - start_s;
+	if (relative_s < 0) {
+		cdr.subq.Index = 0;
+		relative_s = -relative_s;
 	}
-	
-	temp_start[0] = cdr.ResultTD[2];
-	temp_start[1] = cdr.ResultTD[1];
-	temp_start[2] = cdr.ResultTD[0];
+	sec2msf(relative_s, cdr.subq.Relative);
+
+	cdr.subq.Track = itob(cdr.CurTrack);
+	cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]);
+	cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]);
+	cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]);
+	cdr.subq.Absolute[0] = itob(time[0]);
+	cdr.subq.Absolute[1] = itob(time[1]);
+	cdr.subq.Absolute[2] = itob(time[2]);
+}
 
+static void ReadTrack(const u8 *time) {
+	unsigned char tmp[3];
+	struct SubQ *subq;
+	u16 crc;
 
-	CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
-		temp_cur[0], temp_cur[1], temp_cur[2],
-		temp_start[0], temp_start[1], temp_start[2],
-		temp_next[0], temp_next[1], temp_next[2]);
+	tmp[0] = itob(time[0]);
+	tmp[1] = itob(time[1]);
+	tmp[2] = itob(time[2]);
 
+	if (memcmp(cdr.Prev, tmp, 3) == 0)
+		return;
 
+	CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]);
 
-	// local time - pregap / real
-	diff = msf2sec(temp_cur) - msf2sec( temp_start );
-	if( diff < 0 ) {
-		fake_subq_index = 0;
+	cdr.RErr = CDR_readTrack(tmp);
+	memcpy(cdr.Prev, tmp, 3);
 
-		sec2msf( -diff, fake_subq_local );
-	} else {
-		fake_subq_index = 1;
+	if (CheckSBI(time))
+		return;
 
-		sec2msf( diff, fake_subq_local );
+	subq = (struct SubQ *)CDR_getBufferSub();
+	if (subq != NULL && cdr.CurTrack == 1) {
+		crc = calcCrc((u8 *)subq + 12, 10);
+		if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
+			cdr.subq.Track = subq->TrackNumber;
+			cdr.subq.Index = subq->IndexNumber;
+			memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3);
+			memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3);
+		}
+		else {
+			CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n",
+				tmp[0], tmp[1], tmp[2]);
+		}
+	}
+	else {
+		generate_subq(time);
 	}
-}
 
+	CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n",
+		cdr.subq.Track, cdr.subq.Index,
+		cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2],
+		cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]);
+}
 
-static void cdrPlayInterrupt_Autopause()
-{
-	struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
-	int track_changed = 0;
-	if (subq != NULL ) {
-		/*
-		CDDA Autopause
+static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
+	if (cdr.Irq != 0)
+		CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
 
-		Silhouette Mirage ($3)
-		Tomb Raider 1 ($7)
-		*/
+	cdr.Irq = irq;
+	cdr.eCycle = ecycle;
 
-		// .. + 1 is probably wrong, but deals with corrupted subq + good checksum
-		// (how does real thing handle those?)
-		if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
-			track_changed = 1;
-	} else {
-		track_changed = fake_subq_change;
-		fake_subq_change = 0;
-	}
+	CDR_INT(ecycle);
+}
 
-	if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
+static void cdrPlayInterrupt_Autopause()
+{
+	if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) {
 		CDR_LOG( "CDDA STOP\n" );
 
 		// Magic the Gathering
@@ -547,41 +514,25 @@ static void cdrPlayInterrupt_Autopause()
 		StopCdda();
 	}
 	else if (cdr.Mode & MODE_REPORT) {
-		if (subq != NULL) {
-			CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
-				subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
-
-			// breaks when .sub doesn't have index 0 for some reason (bad rip?)
-			//cdr.CurTrack = btoi( subq->TrackNumber );
-
-			if (subq->AbsoluteAddress[2] & 0xf)
-				return;
-
-			cdr.Result[0] = cdr.StatP;
-			// BIOS CD Player: data already BCD format
-			cdr.Result[1] = subq->TrackNumber;
-			cdr.Result[2] = subq->IndexNumber;
-
-			cdr.Result[3] = subq->AbsoluteAddress[0];
-			cdr.Result[4] = subq->AbsoluteAddress[1];
-			cdr.Result[5] = subq->AbsoluteAddress[2];
-		} else {
-			CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
-				fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
 
-			if (fake_subq_real[2] & 0xf)
-				return;
+		cdr.Result[0] = cdr.StatP;
+		cdr.Result[1] = cdr.subq.Track;
+		cdr.Result[2] = cdr.subq.Index;
 
-			cdr.Result[0] = cdr.StatP;
-			// track # / index #
-			cdr.Result[1] = itob(cdr.CurTrack);
-			cdr.Result[2] = itob(fake_subq_index);
-			// absolute
-			cdr.Result[3] = itob( fake_subq_real[0] );
-			cdr.Result[4] = itob( fake_subq_real[1] );
-			cdr.Result[5] = itob( fake_subq_real[2] );
+		if (cdr.subq.Absolute[2] & 0x10) {
+			cdr.Result[3] = cdr.subq.Relative[0];
+			cdr.Result[4] = cdr.subq.Relative[1] | 0x80;
+			cdr.Result[5] = cdr.subq.Relative[2];
+		}
+		else {
+			cdr.Result[3] = cdr.subq.Absolute[0];
+			cdr.Result[4] = cdr.subq.Absolute[1];
+			cdr.Result[5] = cdr.subq.Absolute[2];
 		}
 
+		cdr.Result[6] = 0;
+		cdr.Result[7] = 0;
+
 		// Rayman: Logo freeze (resultready + dataready)
 		cdr.ResultReady = 1;
 		cdr.Stat = DataReady;
@@ -611,28 +562,26 @@ void cdrPlayInterrupt()
 		}
 
 		memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
-		Find_CurTrack();
+		Find_CurTrack(cdr.SetSectorPlay);
 		ReadTrack(cdr.SetSectorPlay);
+		cdr.TrackChanged = FALSE;
 	}
 
-	// update for CdlGetlocP/autopause
-	struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
-	if (subq != NULL)
-		// update subq
-		ReadTrack(cdr.SetSectorPlay);
-	else
-		Create_Fake_Subq();
-
 	if (!cdr.Play) return;
 
 	CDR_LOG( "CDDA - %d:%d:%d\n",
 		cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
 
-	CDRMISC_INT( cdReadTime );
+	if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) {
+		StopCdda();
+		cdr.TrackChanged = TRUE;
+	}
 
 	if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
 		cdrPlayInterrupt_Autopause();
 
+	if (!cdr.Play) return;
+
 	cdr.SetSectorPlay[2]++;
 	if (cdr.SetSectorPlay[2] == 75) {
 		cdr.SetSectorPlay[2] = 0;
@@ -643,13 +592,15 @@ void cdrPlayInterrupt()
 		}
 	}
 
-	//Check_Shell(0);
+	CDRMISC_INT(cdReadTime);
+
+	// update for CdlGetlocP/autopause
+	generate_subq(cdr.SetSectorPlay);
 }
 
 void cdrInterrupt() {
 	int i;
 	unsigned char Irq = cdr.Irq;
-	struct SubQ *subq;
 
 	// Reschedule IRQ
 	if (cdr.Stat) {
@@ -666,7 +617,7 @@ void cdrInterrupt() {
 			SetResultSize(1);
 			cdr.StatP |= STATUS_ROTATING;
 			cdr.Result[0] = cdr.StatP;
-			cdr.Stat = Acknowledge; 
+			cdr.Stat = Acknowledge;
 			break;
 
 		case CdlNop:
@@ -686,8 +637,6 @@ void cdrInterrupt() {
 			break;
 
 		case CdlPlay:
-			fake_subq_change = 0;
-
 			if (cdr.Seeked == SEEK_PENDING) {
 				// XXX: wrong, should seek instead..
 				memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
@@ -727,8 +676,9 @@ void cdrInterrupt() {
 			Wild 9: skip PREGAP + starting accurate SubQ
 			- plays tracks without retry play
 			*/
-			Find_CurTrack();
+			Find_CurTrack(cdr.SetSectorPlay);
 			ReadTrack(cdr.SetSectorPlay);
+			cdr.TrackChanged = FALSE;
 
 			if (!Config.Cdda)
 				CDR_play(cdr.SetSectorPlay);
@@ -892,55 +842,12 @@ void cdrInterrupt() {
 			break;
 
 		case CdlGetlocP:
-			// GameShark CDX CD Player: uses 17 bytes output (wraps around)
-			SetResultSize(17);
-			memset( cdr.Result, 0, 16 );
-
-			subq = (struct SubQ *)CDR_getBufferSub();
-
-			if (subq != NULL) {
-				// update subq
-				ReadTrack( cdr.SetSector );
-
-				cdr.Result[0] = subq->TrackNumber;
-				cdr.Result[1] = subq->IndexNumber;
-				memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
-				memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
-
-
-				// subQ integrity check - data only (skip audio)
-				if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
-				if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
-					memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
-				}
-				}
-			} else {
-				if (cdr.Play == FALSE)
-					Create_Fake_Subq();
-
-				// track # / index #
-				cdr.Result[0] = itob(cdr.CurTrack);
-				cdr.Result[1] = itob(fake_subq_index);
-
-				// local
-				cdr.Result[2] = itob( fake_subq_local[0] );
-				cdr.Result[3] = itob( fake_subq_local[1] );
-				cdr.Result[4] = itob( fake_subq_local[2] );
-
-				// absolute
-				cdr.Result[5] = itob( fake_subq_real[0] );
-				cdr.Result[6] = itob( fake_subq_real[1] );
-				cdr.Result[7] = itob( fake_subq_real[2] );
-			}
+			SetResultSize(8);
+			memcpy(&cdr.Result, &cdr.subq, 8);
 
 			if (!cdr.Play && !cdr.Reading)
 				cdr.Result[1] = 0; // HACK?
 
-			// redump.org - wipe time
-			if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
-				memset( cdr.Result+2, 0, 6 );
-			}
-
 			cdr.Stat = Acknowledge;
 			break;
 
@@ -1034,34 +941,23 @@ void cdrInterrupt() {
 
 		case CdlID + 0x20:
 			SetResultSize(8);
+			cdr.Result[0] = cdr.StatP;
+			cdr.Result[1] = 0;
+			cdr.Result[2] = 0;
+			cdr.Result[3] = 0;
 
+			// 0x10 - audio | 0x80 - unlicensed
 			if (CDR_getStatus(&stat) == -1) {
-				cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
 				cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
 			}
 			else {
-				if (stat.Type == 2) {
-					// Music CD
-					cdr.Result[0] = 0x08;
-					cdr.Result[1] = 0x10;
-
+				if (stat.Type == 2)
+					cdr.Result[1] |= 0x10;
+				if (CdromId[0] == '\0')
 					cdr.Result[1] |= 0x80;
-				}
-				else {
-					// Data CD
-					if (CdromId[0] == '\0') {
-						cdr.Result[0] = 0x00;
-						cdr.Result[1] = 0x80;
-					}
-					else {
-						cdr.Result[0] = 0x08;
-						cdr.Result[1] = 0x00;
-					}
-				}
 			}
+			cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08;
 
-			cdr.Result[2] = 0x00;
-			cdr.Result[3] = 0x00;
 			strncpy((char *)&cdr.Result[4], "PCSX", 4);
 			cdr.Stat = Complete;
 			break;
@@ -1093,7 +989,7 @@ void cdrInterrupt() {
 			cdr.StatP |= STATUS_ROTATING;
 			cdr.Result[0] = cdr.StatP;
 			cdr.Stat = Acknowledge;
-			AddIrqQueue(CdlReadToc + 0x20, 0x800);
+			AddIrqQueue(CdlReadToc + 0x20, cdReadTime * 16);
 			break;
 
 		case CdlReadToc + 0x20:
@@ -1107,10 +1003,10 @@ void cdrInterrupt() {
 		case CdlReadS:
 			if (!cdr.Reading) return;
 
-
 			// Fighting Force 2 - update subq time immediately
 			// - fixes new game
-			ReadTrack( cdr.SetSector );
+			Find_CurTrack(cdr.SetSector);
+			ReadTrack(cdr.SetSector);
 
 
 			// Crusaders of Might and Magic - update getlocl now
@@ -1149,9 +1045,6 @@ void cdrInterrupt() {
 			cdr.Stat = Acknowledge;
 			break;
 
-		case 0xff:
-			return;
-
 		default:
 			cdr.Stat = Complete;
 			break;
@@ -1164,14 +1057,62 @@ void cdrInterrupt() {
 	setIrq();
 
 #ifdef CDR_LOG_CMD_IRQ
-	SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
-		cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
+	SysPrintf("IRQ %d cmd %02x stat %02x: ",
+		!!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat);
 	for (i = 0; i < cdr.ResultC; i++)
 		SysPrintf("%02x ", cdr.Result[i]);
 	SysPrintf("\n");
 #endif
 }
 
+#ifdef __ARM_ARCH_7A__
+ #define ssat32_to_16(v) \
+  asm("ssat %0,#16,%1" : "=r" (v) : "r" (v))
+#else
+ #define ssat32_to_16(v) do { \
+  if (v < -32768) v = -32768; \
+  else if (v > 32767) v = 32767; \
+ } while (0)
+#endif
+
+void cdrAttenuate(s16 *buf, int samples, int stereo)
+{
+	int i, l, r;
+	int ll = cdr.AttenuatorLeftToLeft;
+	int lr = cdr.AttenuatorLeftToRight;
+	int rl = cdr.AttenuatorRightToLeft;
+	int rr = cdr.AttenuatorRightToRight;
+
+	if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88)
+		return;
+
+	if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40)
+		return;
+
+	if (stereo) {
+		for (i = 0; i < samples; i++) {
+			l = buf[i * 2];
+			r = buf[i * 2 + 1];
+			l = (l * ll + r * rl) >> 7;
+			r = (r * rr + l * lr) >> 7;
+			ssat32_to_16(l);
+			ssat32_to_16(r);
+			buf[i * 2] = l;
+			buf[i * 2 + 1] = r;
+		}
+	}
+	else {
+		for (i = 0; i < samples; i++) {
+			l = buf[i];
+			l = l * (ll + rl) >> 7;
+			//r = r * (rr + lr) >> 7;
+			ssat32_to_16(l);
+			//ssat32_to_16(r);
+			buf[i] = l;
+		}
+	}
+}
+
 void cdrReadInterrupt() {
 	u8 *buf;
 
@@ -1191,7 +1132,7 @@ void cdrReadInterrupt() {
 	cdr.Result[0] = cdr.StatP;
 	cdr.Seeked = SEEK_DONE;
 
-	ReadTrack( cdr.SetSector );
+	ReadTrack(cdr.SetSector);
 
 	buf = CDR_getBuffer();
 	if (buf == NULL)
@@ -1219,40 +1160,14 @@ void cdrReadInterrupt() {
 			cdr.Channel = cdr.Transfer[4 + 1];
 		}
 
-		if ((cdr.Transfer[4 + 2] & 0x4) &&
+		if((cdr.Transfer[4 + 2] & 0x4) &&
 			 (cdr.Transfer[4 + 1] == cdr.Channel) &&
-			(cdr.Transfer[4 + 0] == cdr.File)) {
+			 (cdr.Transfer[4 + 0] == cdr.File)) {
 			int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
-
 			if (!ret) {
-				// only handle attenuator basic channel switch for now
-				if (cdr.Xa.stereo) {
-					int i;
-					if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
-					    && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
-					{
-						for (i = 0; i < cdr.Xa.nsamples; i++)
-							cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
-					}
-					else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
-					    && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
-					{
-						for (i = 0; i < cdr.Xa.nsamples; i++)
-							cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
-					}
-				}
-
+				cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo);
 				SPU_playADPCMchannel(&cdr.Xa);
 				cdr.FirstSector = 0;
-
-#if 0
-				// Crash Team Racing: music, speech
-				// - done using cdda decoded buffer (spu irq)
-				// - don't do here
-
-				// signal ADPCM data ready
-				setIrq();
-#endif
 			}
 			else cdr.FirstSector = -1;
 		}
@@ -1283,6 +1198,9 @@ void cdrReadInterrupt() {
 		setIrq();
 	}
 
+	// update for CdlGetlocP
+	ReadTrack(cdr.SetSector);
+
 	Check_Shell(0);
 }
 
@@ -1346,7 +1264,7 @@ void cdrWrite1(unsigned char rt) {
 	case 0:
 		break;
 	case 3:
-		cdr.AttenuatorRight[1] = rt;
+		cdr.AttenuatorRightToRightT = rt;
 		return;
 	default:
 		return;
@@ -1356,7 +1274,7 @@ void cdrWrite1(unsigned char rt) {
 	cdr.OCUP = 0;
 
 #ifdef CDR_LOG_CMD_IRQ
-	SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
+	SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]);
 	if (cdr.ParamC) {
 		SysPrintf(" Param[%d] = {", cdr.ParamC);
 		for (i = 0; i < cdr.ParamC; i++)
@@ -1410,23 +1328,8 @@ void cdrWrite1(unsigned char rt) {
 		// Vib Ribbon: try same track again
 		StopCdda();
 
-#if 0
-		if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
-			if (CDR_getTN(cdr.ResultTN) != -1) {
-				if (cdr.CurTrack > cdr.ResultTN[1])
-					cdr.CurTrack = cdr.ResultTN[1];
-				if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
-					int tmp = cdr.ResultTD[2];
-					cdr.ResultTD[2] = cdr.ResultTD[0];
-					cdr.ResultTD[0] = tmp;
-					if (!Config.Cdda) CDR_play(cdr.ResultTD);
-				}
-			}
-		}
-#endif
 		// Vib Ribbon - decoded buffer IRQ for CDDA reading
 		// - fixes ribbon timing + music CD mode
-		//TODO?
 		//CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
 
 		cdr.Play = TRUE;
@@ -1450,8 +1353,6 @@ void cdrWrite1(unsigned char rt) {
 	case CdlStop:
 		// GameShark CD Player: Reset CDDA to track start
 		if (cdr.Play) {
-			Find_CurTrack();
-
 			// grab time for current track
 			CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
 
@@ -1569,10 +1470,10 @@ void cdrWrite2(unsigned char rt) {
 		setIrq();
 		return;
 	case 2:
-		cdr.AttenuatorLeft[0] = rt;
+		cdr.AttenuatorLeftToLeftT = rt;
 		return;
 	case 3:
-		cdr.AttenuatorRight[0] = rt;
+		cdr.AttenuatorRightToLeftT = rt;
 		return;
 	}
 }
@@ -1600,13 +1501,15 @@ void cdrWrite3(unsigned char rt) {
 			cdr.ParamC = 0;
 		return;
 	case 2:
-		cdr.AttenuatorLeft[1] = rt;
+		cdr.AttenuatorLeftToRightT = rt;
 		return;
 	case 3:
-		if (rt == 0x20)
-		CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
-			cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
-			cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
+		if (rt & 0x20) {
+			memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4);
+			CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n",
+				cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight,
+				cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight);
+		}
 		return;
 	}
 
@@ -1651,10 +1554,11 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) {
 			// - fix boot
 			if( cdsize == 0 )
 			{
-				switch (cdr.Mode & 0x30) {
-					case 0x00: cdsize = 2048; break;
-					case MODE_SIZE_2328: cdsize = 2328; break;
+				switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) {
 					case MODE_SIZE_2340: cdsize = 2340; break;
+					case MODE_SIZE_2328: cdsize = 2328; break;
+					default:
+					case MODE_SIZE_2048: cdsize = 2048; break;
 				}
 			}
 
@@ -1710,27 +1614,43 @@ void cdrDmaInterrupt()
 	}
 }
 
+static void getCdInfo(void)
+{
+	u8 tmp;
+
+	CDR_getTN(cdr.ResultTN);
+	CDR_getTD(0, cdr.SetSectorEnd);
+	tmp = cdr.SetSectorEnd[0];
+	cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2];
+	cdr.SetSectorEnd[2] = tmp;
+}
+
 void cdrReset() {
 	memset(&cdr, 0, sizeof(cdr));
 	cdr.CurTrack = 1;
 	cdr.File = 1;
 	cdr.Channel = 1;
+	cdr.Reg2 = 0x1f;
+	cdr.Stat = NoIntr;
 	pTransfer = cdr.Transfer;
 
 	// BIOS player - default values
-	cdr.AttenuatorLeft[0] = 0x80;
-	cdr.AttenuatorLeft[1] = 0x00;
-	cdr.AttenuatorRight[0] = 0x00;
-	cdr.AttenuatorRight[1] = 0x80;
+	cdr.AttenuatorLeftToLeft = 0x80;
+	cdr.AttenuatorLeftToRight = 0x00;
+	cdr.AttenuatorRightToLeft = 0x00;
+	cdr.AttenuatorRightToRight = 0x80;
+
+	getCdInfo();
 }
 
 int cdrFreeze(void *f, int Mode) {
 	u32 tmp;
+	u8 tmpp[3];
 
-	if( Mode == 0 ) {
-		StopCdda();
-	}
+	if (Mode == 0 && !Config.Cdda)
+		CDR_stop();
 	
+	cdr.freeze_ver = 0x63647201;
 	gzfreeze(&cdr, sizeof(cdr));
 	
 	if (Mode == 1) {
@@ -1741,10 +1661,28 @@ int cdrFreeze(void *f, int Mode) {
 	gzfreeze(&tmp, sizeof(tmp));
 
 	if (Mode == 0) {
+		getCdInfo();
+
 		pTransfer = cdr.Transfer + tmp;
 
-		if (cdr.Play && !Config.Cdda)
-			CDR_play(cdr.SetSectorPlay);
+		// read right sub data
+		memcpy(tmpp, cdr.Prev, 3);
+		cdr.Prev[0]++;
+		ReadTrack(tmpp);
+
+		if (cdr.Play) {
+			Find_CurTrack(cdr.SetSectorPlay);
+			if (!Config.Cdda)
+				CDR_play(cdr.SetSectorPlay);
+		}
+
+		if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {
+			// old versions did not latch Reg2, have to fixup..
+			if (cdr.Reg2 == 0) {
+				SysPrintf("cdrom: fixing up old savestate\n");
+				cdr.Reg2 = 7;
+			}
+		}
 	}
 
 	return 0;
@@ -1753,6 +1691,9 @@ int cdrFreeze(void *f, int Mode) {
 void LidInterrupt() {
 	cdr.LidCheck = 0x20; // start checker
 
+	getCdInfo();
+       
+	StopCdda();
 	CDRLID_INT( cdReadTime * 3 );
 
 	// generate interrupt if none active - open or close