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dyncom: Fix an indexing bug in STM

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Previously it would write the contents of register 13 for the case where the link register (r14) is supposed to be written.
This commit is contained in:
Lioncash 2015-03-08 21:53:03 -04:00
parent 36dab56c31
commit 386dbab5ea
1 changed files with 4 additions and 5 deletions
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9
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -5976,13 +5976,12 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
ldst_inst* inst_cream = (ldst_inst*)inst_base->component;
unsigned int inst = inst_cream->inst;
int i;
unsigned int Rn = BITS(inst, 16, 19);
unsigned int old_RN = cpu->Reg[Rn];
inst_cream->get_addr(cpu, inst_cream->inst, addr, 0);
if (BIT(inst_cream->inst, 22) == 1) {
for (i = 0; i < 13; i++) {
for (int i = 0; i < 13; i++) {
if (BIT(inst_cream->inst, i)) {
Memory::Write32(addr, cpu->Reg[i]);
addr += 4;
@ -5990,7 +5989,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
}
if (BIT(inst_cream->inst, 13)) {
if (cpu->Mode == USER32MODE)
Memory::Write32(addr, cpu->Reg[i]);
Memory::Write32(addr, cpu->Reg[13]);
else
Memory::Write32(addr, cpu->Reg_usr[0]);
@ -5998,7 +5997,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
}
if (BIT(inst_cream->inst, 14)) {
if (cpu->Mode == USER32MODE)
Memory::Write32(addr, cpu->Reg[i]);
Memory::Write32(addr, cpu->Reg[14]);
else
Memory::Write32(addr, cpu->Reg_usr[1]);
@ -6008,7 +6007,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
Memory::Write32(addr, cpu->Reg_usr[1] + 8);
}
} else {
for (i = 0; i < 15; i++) {
for (int i = 0; i < 15; i++) {
if (BIT(inst_cream->inst, i)) {
if (i == Rn)
Memory::Write32(addr, old_RN);