X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=82eb88578534c9a3411eb5806b655aacb7cae03b;hp=ba33548dde47e681dda0a2ddd1d6a1cf4c14f8c1;hb=bdd050c3ed792381df2e744fee5b7ee80b93fd68;hpb=9f8b032dc5074e29f2e93ce06651f6da3bb70a86

diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c
index ba33548d..82eb8857 100644
--- a/libpcsxcore/r3000a.c
+++ b/libpcsxcore/r3000a.c
@@ -48,8 +48,6 @@ int psxInit() {
 }
 
 void psxReset() {
-	psxCpu->Reset();
-
 	psxMemReset();
 
 	memset(&psxRegs, 0, sizeof(psxRegs));
@@ -59,6 +57,8 @@ void psxReset() {
 	psxRegs.CP0.r[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1
 	psxRegs.CP0.r[15] = 0x00000002; // PRevID = Revision ID, same as R3000A
 
+	psxCpu->Reset();
+
 	psxHwReset();
 	psxBiosInit();
 
@@ -79,8 +79,17 @@ void psxShutdown() {
 }
 
 void psxException(u32 code, u32 bd) {
+	if (!Config.HLE && ((((psxRegs.code = PSXMu32(psxRegs.pc)) >> 24) & 0xfe) == 0x4a)) {
+		// "hokuto no ken" / "Crash Bandicot 2" ...
+		// BIOS does not allow to return to GTE instructions
+		// (just skips it, supposedly because it's scheduled already)
+		// so we execute it here
+		extern void (*psxCP2[64])(void *cp2regs);
+		psxCP2[psxRegs.code & 0x3f](&psxRegs.CP2D);
+	}
+
 	// Set the Cause
-	psxRegs.CP0.n.Cause = code;
+	psxRegs.CP0.n.Cause = (psxRegs.CP0.n.Cause & 0x300) | code;
 
 	// Set the EPC & PC
 	if (bd) {
@@ -102,11 +111,6 @@ void psxException(u32 code, u32 bd) {
 	psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status &~0x3f) |
 						  ((psxRegs.CP0.n.Status & 0xf) << 2);
 
-	if (!Config.HLE && (((PSXMu32(psxRegs.CP0.n.EPC) >> 24) & 0xfe) == 0x4a)) {
-		// "hokuto no ken" / "Crash Bandicot 2" ... fix
-		PSXMu32ref(psxRegs.CP0.n.EPC)&= SWAPu32(~0x02000000);
-	}
-
 	if (Config.HLE) psxBiosException();
 }
 
@@ -169,12 +173,24 @@ void psxBranchTest() {
 				cdrDmaInterrupt();
 			}
 		}
+		if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY)) { // cdr play timing
+			if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRPLAY].sCycle) >= psxRegs.intCycle[PSXINT_CDRPLAY].cycle) {
+				psxRegs.interrupt &= ~(1 << PSXINT_CDRPLAY);
+				cdrPlayInterrupt();
+			}
+		}
 		if (psxRegs.interrupt & (1 << PSXINT_CDRLID)) { // cdr lid states
 			if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRLID].sCycle) >= psxRegs.intCycle[PSXINT_CDRLID].cycle) {
 				psxRegs.interrupt &= ~(1 << PSXINT_CDRLID);
 				cdrLidSeekInterrupt();
 			}
 		}
+		if (psxRegs.interrupt & (1 << PSXINT_SPU_UPDATE)) { // scheduled spu update
+			if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SPU_UPDATE].sCycle) >= psxRegs.intCycle[PSXINT_SPU_UPDATE].cycle) {
+				psxRegs.interrupt &= ~(1 << PSXINT_SPU_UPDATE);
+				spuUpdate();
+			}
+		}
 	}
 
 	if (psxHu32(0x1070) & psxHu32(0x1074)) {