X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fppf.c;h=0d80107b5cc50b97bcfe19c5b6b0d686384e10e1;hp=45c8733c4753374fc535bc815eb5134e0b1d0aac;hb=650adfd2da779ba8855623362c2900583e22931e;hpb=ef79bbde537d6b9c745a7d86cb9df1d04c35590d

diff --git a/libpcsxcore/ppf.c b/libpcsxcore/ppf.c
index 45c8733c..0d80107b 100644
--- a/libpcsxcore/ppf.c
+++ b/libpcsxcore/ppf.c
@@ -190,6 +190,8 @@ void BuildPPFCache() {
 
 	FreePPFCache();
 
+	if (CdromId[0] == '\0') return;
+
 	// Generate filename in the format of SLUS_123.45
 	buffer[0] = toupper(CdromId[0]);
 	buffer[1] = toupper(CdromId[1]);
@@ -330,3 +332,58 @@ void BuildPPFCache() {
 
 	SysPrintf(_("Loaded PPF %d.0 patch: %s.\n"), method + 1, szPPF);
 }
+
+// redump.org SBI files, slightly different handling from PCSX-Reloaded
+unsigned char *sbi_sectors;
+
+int LoadSBI(const char *fname, int sector_count) {
+	char buffer[16];
+	FILE *sbihandle;
+	u8 sbitime[3], t;
+	int s;
+
+	sbihandle = fopen(fname, "rb");
+	if (sbihandle == NULL)
+		return -1;
+
+	sbi_sectors = calloc(1, sector_count / 8);
+	if (sbi_sectors == NULL)
+		return -1;
+
+	// 4-byte SBI header
+	fread(buffer, 1, 4, sbihandle);
+	while (1) {
+		s = fread(sbitime, 1, 3, sbihandle);
+		if (s != 3)
+			break;
+		fread(&t, 1, 1, sbihandle);
+		switch (t) {
+		default:
+		case 1:
+			s = 10;
+			break;
+		case 2:
+		case 3:
+			s = 3;
+			break;
+		}
+		fseek(sbihandle, s, SEEK_CUR);
+
+		s = MSF2SECT(btoi(sbitime[0]), btoi(sbitime[1]), btoi(sbitime[2]));
+		if (s < sector_count)
+			sbi_sectors[s >> 3] |= 1 << (s&7);
+		else
+			SysPrintf(_("SBI sector %d >= %d?\n"), s, sector_count);
+	}
+
+	fclose(sbihandle);
+
+	return 0;
+}
+
+void UnloadSBI(void) {
+	if (sbi_sectors) {
+		free(sbi_sectors);
+		sbi_sectors = NULL;
+	}
+}