X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=297c8aee48f8fc07cc3c43f5c454ae2b52df836b;hp=fa0e6a9f24eaeac6d132a7add585835c2c9473e1;hb=61bc6d40b4f6f846a0ae1b73ceecdca893c14df4;hpb=9b470ab7ede4edfa4d933a434f45a563302d7de7

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index fa0e6a9f..297c8aee 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -1264,6 +1264,9 @@ void cdrInterrupt() {
 
 	Check_Shell( Irq );
 
+	cdr.ParamP = 0;
+	cdr.ParamC = 0;
+
 	if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
 		psxHu32ref(0x1070) |= SWAP32((u32)0x4);
 	}
@@ -1450,13 +1453,7 @@ void cdrWrite0(unsigned char rt) {
 #ifdef CDR_LOG
 	CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
 #endif
-	cdr.Ctrl = rt | (cdr.Ctrl & ~0x3);
-
-	if (rt == 0) {
-		cdr.ParamP = 0;
-		cdr.ParamC = 0;
-		cdr.ResultReady = 0;
-	}
+	cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
 }
 
 unsigned char cdrRead1(void) {
@@ -1506,7 +1503,9 @@ void cdrWrite1(unsigned char rt) {
 	}
 #endif
 
-	if (cdr.Ctrl & 0x1) return;
+	if (cdr.Ctrl & 0x3) return;
+
+	cdr.ResultReady = 0;
 
 	switch (cdr.Cmd) {
     	case CdlSync:
@@ -1809,6 +1808,8 @@ void cdrWrite1(unsigned char rt) {
         	break;
 
     	default:
+		cdr.ParamP = 0;
+		cdr.ParamC = 0;
 #ifdef CDR_LOG
 		CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
 #endif
@@ -1861,7 +1862,7 @@ void cdrWrite2(unsigned char rt) {
 				cdr.Reg2 = rt;
 				break;
 		}
-	} else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) {
+	} else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
 		cdr.Param[cdr.ParamP++] = rt;
 		cdr.ParamC++;
 	}
@@ -1914,7 +1915,7 @@ void cdrWrite3(unsigned char rt) {
 	}
 
 
-	if (rt == 0x07 && cdr.Ctrl & 0x1) {
+	if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
 		cdr.Stat = 0;
 
 		if (cdr.Irq == 0xff) {
@@ -1939,7 +1940,7 @@ void cdrWrite3(unsigned char rt) {
 		return;
 	}
 
-	if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) {
+	if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
 		cdr.Readed = 1;
 		cdr.pTransfer = cdr.Transfer;