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GBA: Only unhalt CPU if an IRQ actually fires

This commit is contained in:
Jeffrey Pfau 2016-12-08 20:44:29 -08:00
parent 8aeafeb762
commit 4085b9cdc5
3 changed files with 2 additions and 1 deletions
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1
CHANGES
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@ -33,6 +33,7 @@ Bugfixes:
- GBA BIOS: Implement BitUnPack
- GBA: Add savegame override for Crash Bandicoot 2
- ARM7: PSR mode bits should not get sign extended
- GBA: Only unhalt CPU if an IRQ actually fires
Misc:
- SDL: Remove scancode key input
- GBA Video: Clean up unused timers

1
src/arm/arm.c
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@ -147,6 +147,7 @@ void ARMReset(struct ARMCore* cpu) {
}
void ARMRaiseIRQ(struct ARMCore* cpu) {
cpu->halted = 0;
if (cpu->cpsr.i) {
return;
}

1
src/gba/gba.c
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@ -664,7 +664,6 @@ void GBAWriteIME(struct GBA* gba, uint16_t value) {
void GBARaiseIRQ(struct GBA* gba, enum GBAIRQ irq) {
gba->memory.io[REG_IF >> 1] |= 1 << irq;
gba->cpu->halted = 0;
if (gba->memory.io[REG_IME >> 1] && (gba->memory.io[REG_IE >> 1] & 1 << irq)) {
ARMRaiseIRQ(gba->cpu);