Archive/Play-
0
0
Fork 0
mirror of https://github.com/jpd002/Play-.git synced 2025-04-28 13:47:57 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Make sure reading COP0 COUNT always gives a different result.

Browse source
This commit is contained in:
Jean-Philip Desjardins 2024-06-22 10:25:49 -04:00
parent 8435915c01
commit fff2be404c
1 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Source/COP_SCU.cpp
View file

@ -116,6 +116,15 @@ void CCOP_SCU::MFC0()
break;
}
break;
case CCOP_SCU::COUNT:
//Some games will have issues if subsequent reads of this register
//give the same result. Increment its value by one to make sure
//we don't trip some logic that would give a bad result.
m_codeGen->PushRel(offsetof(CMIPS, m_State.nCOP0[CCOP_SCU::COUNT]));
m_codeGen->PushCst(1);
m_codeGen->Add();
m_codeGen->PullRel(offsetof(CMIPS, m_State.nCOP0[CCOP_SCU::COUNT]));
[[fallthrough]];
default:
m_codeGen->PushRel(offsetof(CMIPS, m_State.nCOP0[m_nRD]));
break;