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minor timing tweaks

This commit is contained in:
Jaklyy 2024-07-04 11:15:37 -04:00
parent a549977eb0
commit bd1665c1d3
2 changed files with 5 additions and 4 deletions
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2
src/ARM.cpp
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@ -647,7 +647,7 @@ void ARMv5::Execute()
R[15] += 2; R[15] += 2;
CurInstr = NextInstr[0]; CurInstr = NextInstr[0];
NextInstr[0] = NextInstr[1]; NextInstr[0] = NextInstr[1];
if (R[15] & 0x2) { NextInstr[1] >>= 16; CodeCycles = 0; } if (R[15] & 0x2) { NextInstr[1] >>= 16; CodeCycles = 1; }
else NextInstr[1] = CodeRead32(R[15], false); else NextInstr[1] = CodeRead32(R[15], false);
// actually execute // actually execute

7
src/ARM.h
View File

@ -317,15 +317,16 @@ public:
void AddCycles_C() override void AddCycles_C() override
{ {
// code only. always nonseq 32-bit for ARM9. // code only. always nonseq 32-bit for ARM9.
s32 numC = (R[15] & 0x2) ? 0 : CodeCycles; s32 numC = CodeCycles;
Cycles += numC; Cycles += numC;
} }
void AddCycles_CI(s32 numI) override void AddCycles_CI(s32 numI) override
{ {
// code+internal // code+internal
s32 numC = (R[15] & 0x2) ? 0 : CodeCycles; s32 numC = CodeCycles;
Cycles += numC + numI; numI += 1;
Cycles += std::max(numC, numI);
} }
void AddCycles_CDI_LDR() override; void AddCycles_CDI_LDR() override;