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iR5900: Ignore Non delayed COP2 commands when not interlocked

This commit is contained in:
refractionpcsx2 2022-06-27 22:17:29 +01:00
parent b53c9daf50
commit bf0243c253
1 changed files with 9 additions and 0 deletions
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9
pcsx2/x86/iR5900Analysis.cpp
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@ -249,10 +249,19 @@ void COP2MicroFinishPass::Run(u32 start, u32 end, EEINST* inst_cache)
if (_Opcode_ != 022)
return true;
// If it's CFC2/CTC2/QMFC2/QMTC2 and it's not interlocked, we don't want to errornously set the flag.
if ((_Rs_ == 001 || _Rs_ == 002 || _Rs_ == 005 || _Rs_ == 006) && !(cpuRegs.code & 1))
return true;
// Set the flag on the current instruction, and clear it for the next.
if (needs_vu0_finish)
{
inst->info |= EEINST_COP2_FINISH_VU0_MICRO;
// QMTC2 and CTC2 interlock on M-Bit not just VU end, so VU0 might continue to run, so we need to continue to check.
if ((_Rs_ == 005 || _Rs_ == 006) && (cpuRegs.code & 1))
return true;
needs_vu0_finish = false;
}