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fix ldr and str

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This commit is contained in:
Jaklyy 2024-06-04 19:06:54 -04:00
parent c2a57b79a0
commit 1e8194e367
1 changed files with 14 additions and 10 deletions
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24
src/ARMInterpreter_LoadStore.cpp
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@ -65,9 +65,10 @@ namespace melonDS::ARMInterpreter
u32 storeval = cpu->R[(cpu->CurInstr>>12) & 0xF]; \
if (((cpu->CurInstr>>12) & 0xF) == 0xF) \
storeval += 4; \
cpu->DataWrite32(offset, storeval); \
if (cpu->CurInstr & (1<<21)) cpu->R[(cpu->CurInstr>>16) & 0xF] = offset; \
cpu->AddCycles_CD();
bool dataabort = !cpu->DataWrite32(offset, storeval); \
cpu->AddCycles_CD(); \
if (dataabort) return; \
if (cpu->CurInstr & (1<<21)) cpu->R[(cpu->CurInstr>>16) & 0xF] = offset;
// TODO: user mode (bit21)
#define A_STR_POST \
@ -75,9 +76,10 @@ namespace melonDS::ARMInterpreter
u32 storeval = cpu->R[(cpu->CurInstr>>12) & 0xF]; \
if (((cpu->CurInstr>>12) & 0xF) == 0xF) \
storeval += 4; \
cpu->DataWrite32(addr, storeval); \
cpu->R[(cpu->CurInstr>>16) & 0xF] += offset; \
cpu->AddCycles_CD();
bool dataabort = !cpu->DataWrite32(addr, storeval); \
cpu->AddCycles_CD(); \
if (dataabort) return; \
cpu->R[(cpu->CurInstr>>16) & 0xF] += offset;
#define A_STRB \
offset += cpu->R[(cpu->CurInstr>>16) & 0xF]; \
@ -94,10 +96,11 @@ namespace melonDS::ARMInterpreter
#define A_LDR \
offset += cpu->R[(cpu->CurInstr>>16) & 0xF]; \
u32 val; cpu->DataRead32(offset, &val); \
u32 val; bool dataabort = !cpu->DataRead32(offset, &val); \
cpu->AddCycles_CDI(); \
if (dataabort) return; \
val = ROR(val, ((offset&0x3)<<3)); \
if (cpu->CurInstr & (1<<21)) cpu->R[(cpu->CurInstr>>16) & 0xF] = offset; \
cpu->AddCycles_CDI(); \
if (((cpu->CurInstr>>12) & 0xF) == 15) \
{ \
if (cpu->Num==1) val &= ~0x1; \
@ -111,10 +114,11 @@ namespace melonDS::ARMInterpreter
// TODO: user mode
#define A_LDR_POST \
u32 addr = cpu->R[(cpu->CurInstr>>16) & 0xF]; \
u32 val; cpu->DataRead32(addr, &val); \
u32 val; bool dataabort = !cpu->DataRead32(addr, &val); \
cpu->AddCycles_CDI(); \
if (dataabort) return; \
val = ROR(val, ((addr&0x3)<<3)); \
cpu->R[(cpu->CurInstr>>16) & 0xF] += offset; \
cpu->AddCycles_CDI(); \
if (((cpu->CurInstr>>12) & 0xF) == 15) \
{ \
if (cpu->Num==1) val &= ~0x1; \