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| author | notaz | 2011-02-05 01:10:26 +0200 |
|---|---|---|
| committer | notaz | 2011-02-09 14:59:32 +0200 |
| commit | 862bfc0d6da5d83c8af5bf3a1fdd189474d25812 (patch) | |
| tree | 51a10b9b03a901368b4ec077b055f6b54afe5d9b /libpcsxcore | |
| parent | b00afb7734d75d4e625db0263548fa15b9aa0af7 (diff) | |
| download | pcsx_rearmed-862bfc0d6da5d83c8af5bf3a1fdd189474d25812.tar.gz pcsx_rearmed-862bfc0d6da5d83c8af5bf3a1fdd189474d25812.tar.bz2 pcsx_rearmed-862bfc0d6da5d83c8af5bf3a1fdd189474d25812.zip | |
interpreter: backport fixes from pcsxr
shalma:
- (nhyone) fix load delay bgez, bgezal
Xenogears - psxinterpreter.c
- lbu v1 - beq v1 = no load delay
- fix battle loading (interpreter only)
Diffstat (limited to 'libpcsxcore')
| -rw-r--r-- | libpcsxcore/psxinterpreter.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c index 3736b23..3258743 100644 --- a/libpcsxcore/psxinterpreter.c +++ b/libpcsxcore/psxinterpreter.c @@ -153,8 +153,12 @@ int psxTestLoadDelay(int reg, u32 tmp) { case 0x01: // REGIMM switch (_tRt_) { - case 0x00: case 0x02: - case 0x10: case 0x12: // BLTZ/BGEZ... + case 0x00: case 0x01: + case 0x10: case 0x11: // BLTZ/BGEZ... + // Xenogears - lbu v0 / beq v0 + // - no load delay (fixes battle loading) + break; + if (_tRs_ == reg) return 2; break; } @@ -166,10 +170,18 @@ int psxTestLoadDelay(int reg, u32 tmp) { break; case 0x04: case 0x05: // BEQ/BNE + // Xenogears - lbu v0 / beq v0 + // - no load delay (fixes battle loading) + break; + if (_tRs_ == reg || _tRt_ == reg) return 2; break; case 0x06: case 0x07: // BLEZ/BGTZ + // Xenogears - lbu v0 / beq v0 + // - no load delay (fixes battle loading) + break; + if (_tRs_ == reg) return 2; break; |