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GB: Fix eiPending issue

This commit is contained in:
Jeffrey Pfau 2016-05-23 20:13:51 -07:00
parent 616625a510
commit 0f16569e7d
1 changed files with 4 additions and 4 deletions
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8
src/gb/gb.c
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@ -65,7 +65,7 @@ static void GBInit(void* cpu, struct mCPUComponent* component) {
gb->stream = NULL; gb->stream = NULL;
gb->eiPending = false; gb->eiPending = INT_MAX;
gb->doubleSpeed = 0; gb->doubleSpeed = 0;
} }
@ -301,12 +301,12 @@ void GBProcessEvents(struct LR35902Core* cpu) {
int32_t nextEvent = INT_MAX; int32_t nextEvent = INT_MAX;
int32_t testEvent; int32_t testEvent;
if (gb->eiPending) { if (gb->eiPending != INT_MAX) {
gb->eiPending -= cycles; gb->eiPending -= cycles;
if (gb->eiPending <= 0) { if (gb->eiPending <= 0) {
gb->memory.ime = true; gb->memory.ime = true;
GBUpdateIRQs(gb); GBUpdateIRQs(gb);
gb->eiPending = 0; gb->eiPending = INT_MAX;
} }
} }
@ -349,7 +349,7 @@ void GBSetInterrupts(struct LR35902Core* cpu, bool enable) {
struct GB* gb = (struct GB*) cpu->master; struct GB* gb = (struct GB*) cpu->master;
if (!enable) { if (!enable) {
gb->memory.ime = enable; gb->memory.ime = enable;
gb->eiPending = 0; gb->eiPending = INT_MAX;
GBUpdateIRQs(gb); GBUpdateIRQs(gb);
} else { } else {
if (cpu->nextEvent > cpu->cycles + 4) { if (cpu->nextEvent > cpu->cycles + 4) {