diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index 01d5d478e..c8d45c6db 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -2820,10 +2820,12 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) { operand2 = (BIT(RS, 15)) ? (BITS(RS, 0, 15) | 0xffff0000) : BITS(RS, 0, 15); else operand2 = (BIT(RS, 31)) ? (BITS(RS, 16, 31) | 0xffff0000) : BITS(RS, 16, 31); - RD = operand1 * operand2 + RN; - if (AddOverflow(operand1 * operand2, RN, RD)) + u32 product = operand1 * operand2; + u32 result = product + RN; + if (AddOverflow(product, RN, result)) cpu->Cpsr |= (1 << 27); + RD = result; } cpu->Reg[15] += cpu->GetInstructionSize(); INC_PC(sizeof(smla_inst)); @@ -3228,7 +3230,7 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) { addr += 4; } if (BIT(inst_cream->inst, 15)) { - cpu->WriteMemory32(addr, cpu->Reg_usr[1] + 8); + cpu->WriteMemory32(addr, cpu->Reg[15] + 8); } } else { for (int i = 0; i < 15; i++) { @@ -3243,8 +3245,9 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) { } // Check PC reg - if (BIT(inst_cream->inst, 15)) - cpu->WriteMemory32(addr, cpu->Reg_usr[1] + 8); + if (BIT(inst_cream->inst, 15)) { + cpu->WriteMemory32(addr, cpu->Reg[15] + 8); + } } } cpu->Reg[15] += cpu->GetInstructionSize(); |