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Core: Update mask of registers in CRegisters::Cop0_MT

This commit is contained in:
zilmar 2022-11-14 20:56:21 +10:30
parent cabcd2cc95
commit 97e3f50007
1 changed files with 18 additions and 7 deletions
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25
Source/Project64-core/N64System/Mips/Register.cpp
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@ -364,11 +364,6 @@ void CRegisters::Cop0_MT(COP0Reg Reg, uint64_t Value)
switch (Reg)
{
case COP0Reg_Index:
case COP0Reg_EntryLo0:
case COP0Reg_EntryLo1:
case COP0Reg_PageMask:
case COP0Reg_EntryHi:
case COP0Reg_EPC:
case COP0Reg_WatchLo:
case COP0Reg_WatchHi:
@ -378,22 +373,38 @@ void CRegisters::Cop0_MT(COP0Reg Reg, uint64_t Value)
case COP0Reg_31:
m_CP0[Reg] = Value;
break;
case COP0Reg_Index:
m_CP0[Reg] = Value & 0x8000003F;
break;
case COP0Reg_Random:
// Ignore - Read only
break;
case COP0Reg_EntryLo0:
case COP0Reg_EntryLo1:
m_CP0[Reg] = Value & 0x3FFFFFFF;
break;
case COP0Reg_Context:
m_CP0[Reg] = (Value & 0xFFFFFFFFFF800000) | (m_CP0[Reg] & 0x7FFFF0);
break;
case COP0Reg_PageMask:
m_CP0[Reg] = Value & 0x1FFE000;
break;
case COP0Reg_Wired:
g_SystemTimer->UpdateTimers();
m_CP0[Reg] = Value & 0x3F;
break;
case COP0Reg_7:
case COP0Reg_BadVAddr:
// Read only
// Ignore - Read only
break;
case COP0Reg_Count:
g_SystemTimer->UpdateTimers();
m_CP0[Reg] = Value;
g_SystemTimer->UpdateCompareTimer();
break;
case COP0Reg_EntryHi:
m_CP0[Reg] = Value & 0xC00000FFFFFFE0FF;
break;
case COP0Reg_Compare:
g_SystemTimer->UpdateTimers();
m_CP0[Reg] = Value;
@ -422,7 +433,7 @@ void CRegisters::Cop0_MT(COP0Reg Reg, uint64_t Value)
// Read only
break;
case COP0Reg_Config:
m_CP0[Reg] = (Value & 0x3F00800F) | (m_CP0[Reg] & 0xC0FF7FF0);
m_CP0[Reg] = (Value & 0x0F00800F) | (m_CP0[Reg] & 0xF0FF7FF0);
break;
case COP0Reg_LLAddr:
m_CP0[Reg] = (Value & 0xFFFFFFFF) | (m_CP0[Reg] & 0xFFFFFFFF00000000);