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Attempted PIC fix.

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This commit is contained in:
OBattler
2023-10-01 17:26:44 +02:00
parent f1df24d036
commit b03df6bdd1
1 changed files with 18 additions and 14 deletions
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32
src/pic.c
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@@ -223,25 +223,30 @@ find_best_interrupt(pic_t *dev)
static __inline void
pic_update_pending_xt(void)
{
if (find_best_interrupt(&pic) != -1) {
latched++;
if (latched == 1)
timer_on_auto(&pic_timer, 0.35);
} else if (latched == 0)
pic.int_pending = 0;
if (!(pic.interrupt & 0x20)) {
if (find_best_interrupt(&pic) != -1) {
latched++;
if (latched == 1)
timer_on_auto(&pic_timer, 0.35);
} else if (latched == 0)
pic.int_pending = 0;
}
}
static __inline void
pic_update_pending_at(void)
{
pic2.int_pending = (find_best_interrupt(&pic2) != -1);
if (!(pic2.interrupt & 0x20)) {
pic2.int_pending = (find_best_interrupt(&pic2) != -1);
if (pic2.int_pending)
pic.irr |= (1 << pic2.icw3);
else
pic.irr &= ~(1 << pic2.icw3);
if (pic2.int_pending)
pic.irr |= (1 << pic2.icw3);
else
pic.irr &= ~(1 << pic2.icw3);
}
pic.int_pending = (find_best_interrupt(&pic) != -1);
if (!(pic.interrupt & 0x20))
pic.int_pending = (find_best_interrupt(&pic) != -1);
}
static void
@@ -755,8 +760,7 @@ picint_common(uint16_t num, int level, int set, uint8_t *irq_state)
}
}
if (!(pic.interrupt & 0x20) && !(pic2.interrupt & 0x20))
update_pending();
update_pending();
}
static uint8_t