From 37edbb7d48a17b7321ebeb5bcf992c7d77fd2662 Mon Sep 17 00:00:00 2001
From: "SND\\shalma_cp" <SND\shalma_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>
Date: Sun, 5 Sep 2010 00:59:20 +0000
Subject: Vib Ribbon CD swapping needed fixing (CDROM) - Game still not working
 (SPU CDDA timing problems.. maybe)

dfsound: feed CDDA data to SPU RAM for decoded buffer IRQs


git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@56823 e17a0e51-4ae3-4d35-97c3-1a29b211df97
---
 libpcsxcore/cdriso.c | 32 ++++++++++++++++++++++++++---
 libpcsxcore/cdrom.c  | 58 ++++++++++++++++++++++++----------------------------
 2 files changed, 56 insertions(+), 34 deletions(-)

(limited to 'libpcsxcore')

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 18b0de92..a6812e1e 100644
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -31,6 +31,9 @@
 #include <sys/time.h>
 #endif
 
+#define btoi(b)			((b) / 16 * 10 + (b) % 16) /* BCD to u_char */
+#define itob(i)     ((i)/10*16 + (i)%10)    /* u_char to BCD */
+
 static FILE *cdHandle = NULL;
 static FILE *cddaHandle = NULL;
 static FILE *subHandle = NULL;
@@ -172,12 +175,16 @@ static void *playthread(void *param)
 
 				s += d;
 
-				// skip the subchannel data
-				fseek(cddaHandle, SUB_FRAMESIZE, SEEK_CUR);
+				fread( subbuffer, 1, SUB_FRAMESIZE, cddaHandle );
 			}
 		}
 		else {
 			s = fread(sndbuffer, 1, sizeof(sndbuffer), cddaHandle);
+
+			if (subHandle != NULL) {
+				fseek(subHandle, sec * SUB_FRAMESIZE, SEEK_SET);
+				fread(subbuffer, 1, SUB_FRAMESIZE, subHandle);
+			}
 		}
 
 		if (s == 0) {
@@ -740,7 +747,26 @@ static long CALLBACK ISOgetTN(unsigned char *buffer) {
 //  byte 1 - second
 //  byte 2 - minute
 static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) {
-	if (numtracks > 0 && track <= numtracks) {
+	if( track == 0 ) {
+		unsigned int pos, size;
+		unsigned char time[3];
+
+		// Vib Ribbon: return size of CD
+		// - ex. 20 min, 22 sec, 66 fra
+		pos = ftell( cdHandle );
+		fseek( cdHandle, 0, SEEK_END );
+		size = ftell( cdHandle );
+		fseek( cdHandle, pos, SEEK_SET );
+
+		// relative -> absolute time (+2 seconds)
+		size += 150 * 2352;
+
+		sec2msf( size / 2352, time );
+		buffer[2] = time[0];
+		buffer[1] = time[1];
+		buffer[0] = time[2];
+	}
+	else if (numtracks > 0 && track <= numtracks) {
 		buffer[2] = ti[track].start[0];
 		buffer[1] = ti[track].start[1];
 		buffer[0] = ti[track].start[2];
diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 12b5966d..7ff2d68f 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -184,20 +184,6 @@ void cdrInterrupt() {
 			SetResultSize(1);
 			cdr.Result[0] = cdr.StatP;
 			cdr.Stat = Acknowledge;
-			i = stat.Status;
-			if (CDR_getStatus(&stat) != -1) {
-				if (stat.Type == 0xff) cdr.Stat = DiskError;
-				if (stat.Status & 0x10) {
-					cdr.Stat = DiskError;
-					cdr.Result[0] |= 0x11;
-					cdr.Result[0] &= ~0x02;
-				}
-				else if (i & 0x10) {
-					cdr.StatP |= 0x2;
-					cdr.Result[0] |= 0x2;
-					CheckCdrom();
-				}
-			}
 			break;
 
 		case CdlSetloc:
@@ -249,22 +235,6 @@ void cdrInterrupt() {
 			cdr.Result[0] = cdr.StatP;
 			cdr.Stat = Complete;
 //			cdr.Stat = Acknowledge;
-
-			// check case open/close -shalma
-			i = stat.Status;
-			if (CDR_getStatus(&stat) != -1) {
-				if (stat.Type == 0xff) cdr.Stat = DiskError;
-				if (stat.Status & 0x10) {
-					cdr.Stat = DiskError;
-					cdr.Result[0] |= 0x11;
-					cdr.Result[0] &= ~0x02;
-				}
-				else if (i & 0x10) {
-					cdr.StatP |= 0x2;
-					cdr.Result[0] |= 0x2;
-					CheckCdrom();
-				}
-			}
 			break;
 
 		case CdlPause:
@@ -353,6 +323,7 @@ void cdrInterrupt() {
 			SetResultSize(8);
 			subq = (struct SubQ *)CDR_getBufferSub();
 
+			// DATA + AUDIO has subchannel data
 			if (subq != NULL) {
 				cdr.Result[0] = subq->TrackNumber;
 				cdr.Result[1] = subq->IndexNumber;
@@ -366,7 +337,8 @@ void cdrInterrupt() {
 			} else {
 				cdr.Result[0] = 1;
 				cdr.Result[1] = 1;
-
+
+				// NOTE: This only works for TRACK 01
 				cdr.Result[2] = btoi(cdr.Prev[0]);
 				cdr.Result[3] = btoi(cdr.Prev[1]) - 2;
 				cdr.Result[4] = cdr.Prev[2];
@@ -387,6 +359,9 @@ void cdrInterrupt() {
 			break;
 
     	case CdlGetTN:
+			StopReading();
+			StopCdda();
+
 			cdr.CmdProcess = 0;
 			SetResultSize(3);
 			cdr.StatP |= 0x2;
@@ -591,6 +566,27 @@ void cdrInterrupt() {
 			break;
 	}
 
+	// check case open/close
+	i = stat.Status;
+	if (CDR_getStatus(&stat) != -1) {
+		if (stat.Type == 0xff) cdr.Stat = DiskError;
+
+		// case now open
+		if (stat.Status & 0x10) {
+			cdr.Stat = DiskError;
+
+			cdr.Result[0] |= 0x11;
+			cdr.Result[0] &= ~0x02;
+		}
+		// case now closed
+		else if (i & 0x10) {
+			cdr.StatP &= ~0x11;
+			cdr.Result[0] |= 0x2;
+
+			CheckCdrom();
+		}
+	}
+
 	if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
 		psxHu32ref(0x1070) |= SWAP32((u32)0x4);
 	}
-- 
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