X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=7e6f16b48182caf55a75ca95261b6e9f59983e96;hb=c979e8c288de90834ceecfd7a37543a44cdd9402;hp=148bc267992315fafc134f8179c38a4cadb5d7f3;hpb=528ad661dd07067cbcd6c1beebad63fc36795759;p=pcsx_rearmed.git

diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c
index 148bc267..7e6f16b4 100644
--- a/libpcsxcore/r3000a.c
+++ b/libpcsxcore/r3000a.c
@@ -25,18 +25,22 @@
 #include "cdrom.h"
 #include "mdec.h"
 #include "gte.h"
+#include "psxinterpreter.h"
 
 R3000Acpu *psxCpu = NULL;
+#ifdef DRC_DISABLE
 psxRegisters psxRegs;
+#endif
 
 int psxInit() {
 	SysPrintf(_("Running PCSX Version %s (%s).\n"), PACKAGE_VERSION, __DATE__);
 
-#ifdef PSXREC
+#ifndef DRC_DISABLE
 	if (Config.Cpu == CPU_INTERPRETER) {
 		psxCpu = &psxInt;
 	} else psxCpu = &psxRec;
 #else
+	Config.Cpu = CPU_INTERPRETER;
 	psxCpu = &psxInt;
 #endif
 
@@ -48,8 +52,6 @@ int psxInit() {
 }
 
 void psxReset() {
-	psxCpu->Reset();
-
 	psxMemReset();
 
 	memset(&psxRegs, 0, sizeof(psxRegs));
@@ -59,6 +61,8 @@ 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();
 
@@ -79,15 +83,25 @@ void psxShutdown() {
 }
 
 void psxException(u32 code, u32 bd) {
+	psxRegs.code = fetch(psxRegs.pc);
+	
+	if (!Config.HLE && ((((psxRegs.code) >> 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) {
 #ifdef PSXCPU_LOG
 		PSXCPU_LOG("bd set!!!\n");
 #endif
-		SysPrintf("bd set!!!\n");
 		psxRegs.CP0.n.Cause |= 0x80000000;
 		psxRegs.CP0.n.EPC = (psxRegs.pc - 4);
 	} else
@@ -102,11 +116,6 @@ 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();
 }
 
@@ -157,6 +166,36 @@ void psxBranchTest() {
 				mdec0Interrupt();
 			}
 		}
+		if (psxRegs.interrupt & (1 << PSXINT_GPUOTCDMA)) { // gpu otc
+			if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_GPUOTCDMA].sCycle) >= psxRegs.intCycle[PSXINT_GPUOTCDMA].cycle) {
+				psxRegs.interrupt &= ~(1 << PSXINT_GPUOTCDMA);
+				gpuotcInterrupt();
+			}
+		}
+		if (psxRegs.interrupt & (1 << PSXINT_CDRDMA)) { // cdrom
+			if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRDMA].sCycle) >= psxRegs.intCycle[PSXINT_CDRDMA].cycle) {
+				psxRegs.interrupt &= ~(1 << PSXINT_CDRDMA);
+				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)) {