X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=57ae830e2c8a385c09d971aab06acf5f3e102a53;hb=6658ddcf5dec8d6e22363fb435c48dfe4ce1e7f8;hp=1e8d0b0e4eb6aea81dd698fbce212d75d4008fbd;hpb=665e364a0aba523bb555f369efe4c7be966a6666;p=pcsx_rearmed.git diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c index 1e8d0b0e..57ae830e 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__); + SysPrintf(_("Running PCSX Version %s (%s).\n"), PCSX_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 @@ -72,31 +76,33 @@ void psxReset() { } void psxShutdown() { - psxMemShutdown(); psxBiosShutdown(); psxCpu->Shutdown(); + + psxMemShutdown(); } void psxException(u32 code, u32 bd) { - if (!Config.HLE && (((PSXMu32(psxRegs.pc) >> 24) & 0xfe) == 0x4a)) { + 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 step over it with the interpreter - extern void execI(); - execI(); + // 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 @@ -185,6 +191,12 @@ void psxBranchTest() { 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)) {