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Enabled the new IRQ loss prevention measure in the PIC code that I left disabled the last time, seems to fix SHAMUS but I need feedback.

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OBattler
2021-03-31 23:57:32 +02:00
parent 7b1392b237
commit 08c9b254e3
1 changed files with 2 additions and 2 deletions
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4
src/pic.c
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@@ -168,7 +168,7 @@ find_best_interrupt(pic_t *dev)
int i, j; int i, j;
int ret = -1; int ret = -1;
#ifdef READ_LATCH #ifndef READ_LATCH
if (dev->interrupt != 0x17) { if (dev->interrupt != 0x17) {
/* We have an IRQ already latched, do not update status until it is unlatched in order to /* We have an IRQ already latched, do not update status until it is unlatched in order to
avoid IRQ loss. */ avoid IRQ loss. */
@@ -415,7 +415,7 @@ pic_read(uint16_t addr, void *priv)
dev->data_bus = dev->isr; dev->data_bus = dev->isr;
#ifdef UNDEFINED_READ #ifdef UNDEFINED_READ
else else
dev->data_bus = dev->irr; dev->data_bus = 0x00;
#endif #endif
} }
/* If A0 = 0, VIA shadow is disabled, and poll mode is disabled, /* If A0 = 0, VIA shadow is disabled, and poll mode is disabled,