X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=f5996acf7723134617de5d8dec025eb98ee0f48e;hp=98aff3a385af2efd974c128cb31514571780899b;hb=8f00f96ca84ba1d8ba30d4850c0b1d143efa5989;hpb=c24732c066beea96215e4c232af6debf1deb5f69 diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c index 98aff3a3..f5996acf 100644 --- a/libpcsxcore/r3000a.c +++ b/libpcsxcore/r3000a.c @@ -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(); }