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Merge pull request #950 from lioncash/bx 

dyncom: Properly retrieve the PC value in BX if used.
This commit is contained in:
Lioncash 2015-07-19 22:30:39 -04:00
parent 1c81813b72 a2f0a3d019
commit 25652e5cd5
1 changed files with 6 additions and 4 deletions
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10
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -4144,11 +4144,13 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
bx_inst* const inst_cream = (bx_inst*)inst_base->component; bx_inst* const inst_cream = (bx_inst*)inst_base->component;
if (inst_cream->Rm == 15) u32 address = RM;
LOG_WARNING(Core_ARM11, "BX at pc %x: use of Rm = R15 is discouraged", cpu->Reg[15]);
cpu->TFlag = cpu->Reg[inst_cream->Rm] & 0x1; if (inst_cream->Rm == 15)
cpu->Reg[15] = cpu->Reg[inst_cream->Rm] & 0xfffffffe; address += 2 * GET_INST_SIZE(cpu);
cpu->TFlag = address & 1;
cpu->Reg[15] = address & 0xfffffffe;
INC_PC(sizeof(bx_inst)); INC_PC(sizeof(bx_inst));
goto DISPATCH; goto DISPATCH;
} }