From ecff5e58679454c947975da6edcfec724b0fe0aa Mon Sep 17 00:00:00 2001
From: "SND\\shalma_cp" <SND\shalma_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>
Date: Thu, 2 Dec 2010 18:39:26 +0000
Subject: Redump.org SBI - cdrom.c, cdriso.c - native support (LibCrypt)

ex. TOCA World Touring Cars (Europe)
1) Run CDROM
- download SBI from redump.org
- place in emu folder
- name "redump.sbi"
- run CDROM (subchannel optional)

2) Run ISO
- download SBI from redump.org
- place in iso folder
- "toca world cars.bin", "toca world cars.cue", "toca world cars.sbi"
  or
  "toca world cars.img", "toca world cars.ccd", "toca world cars.sbi"
- run ISO (subchannel file optional)


git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@60534 e17a0e51-4ae3-4d35-97c3-1a29b211df97
---
 libpcsxcore/cdriso.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 libpcsxcore/cdrom.c  | 15 +++++++++++++
 2 files changed, 74 insertions(+)

(limited to 'libpcsxcore')

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 301eb267..7f210772 100644
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -695,6 +695,61 @@ static int opensubfile(const char *isoname) {
 	return 0;
 }
 
+// redump.org SBI files
+u8 sbitime[256][3];
+u8 sbicount;
+
+int opensbifile(const char *isoname) {
+	FILE *sbihandle;
+	char		sbiname[MAXPATHLEN];
+
+
+	// init
+	sbicount = 0;
+
+
+	// copy name of the iso and change extension from .img to .sbi
+	strncpy(sbiname, isoname, sizeof(sbiname));
+	sbiname[MAXPATHLEN - 1] = '\0';
+	if (strlen(sbiname) >= 4) {
+		strcpy(sbiname + strlen(sbiname) - 4, ".sbi");
+	}
+	else {
+		return -1;
+	}
+
+	sbihandle = fopen(sbiname, "rb");
+	if (sbihandle == NULL) {
+		return -1;
+	}
+
+
+	// 4-byte SBI header
+	fread( sbiname, 1, 4, sbihandle );
+	while( !feof(sbihandle) ) {
+		u8 subq[11];
+		fread( sbitime[ sbicount++ ], 1, 3, sbihandle );
+		fread( subq, 1, 11, sbihandle );
+	}
+
+
+	return 0;
+}
+
+int checkSBI(u8 *time) {
+	int lcv;
+
+	// both BCD format
+	for( lcv=0; lcv<sbicount; lcv++ ) {
+		if( time[0] == sbitime[lcv][0] && 
+				time[1] == sbitime[lcv][1] && 
+				time[2] == sbitime[lcv][2] )
+			return 1;
+	}
+
+	return 0;
+}
+
 long CALLBACK ISOinit(void) {
 	assert(cdHandle == NULL);
 	assert(subHandle == NULL);
@@ -761,6 +816,10 @@ static long CALLBACK ISOopen(void) {
 		SysPrintf("[+sub]");
 	}
 
+	if (opensbifile(GetIsoFile()) == 0) {
+		SysPrintf("[+sbi]");
+	}
+
 	SysPrintf(".\n");
 
 	PrintTracks();
diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index b22946b1..abc431dc 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -485,6 +485,12 @@ static void ReadTrack( u8 *time ) {
 	cdr.RErr = CDR_readTrack(cdr.Prev);
 }
 
+
+extern int opensbifile(const char *isoname);
+extern int cdrIsoActive(void);
+extern int checkSBI(u8 *time);
+
+
 void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
 	cdr.Irq = irq;
 	cdr.eCycle = ecycle;
@@ -1104,6 +1110,11 @@ void cdrInterrupt() {
 				}
 			}
 
+			// redump.org - wipe time
+			if( !cdr.Play && checkSBI(cdr.Result+5) ) {
+				memset( cdr.Result+2, 0, 6 );
+			}
+
 			cdr.Stat = Acknowledge;
 			break;
 
@@ -2159,6 +2170,10 @@ void cdrReset() {
 	cdr.CurTrack = 1;
 	cdr.File = 1;
 	cdr.Channel = 1;
+
+	if( !cdrIsoActive() ) {
+		opensbifile( "redump.sbi" );
+	}
 }
 
 int cdrFreeze(gzFile f, int Mode) {
-- 
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