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Fix PIC level-triggered interrupts on IRQ's 0 to 7 (spotted by TC1995).

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OBattler
2023-01-26 22:29:51 +01:00
parent b875e8518d
commit c06e9b35f2
1 changed files with 4 additions and 4 deletions
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8
src/pic.c
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@@ -587,9 +587,9 @@ picint_common(uint16_t num, int level, int set)
if (num & 0x00ff) {
if (level)
pic.lines |= (num >> 8);
pic.lines |= (num & 0x00ff);
pic.irr |= num;
pic.irr |= (num & 0x00ff);
}
} else {
smi_irq_status &= ~num;
@@ -600,8 +600,8 @@ picint_common(uint16_t num, int level, int set)
}
if (num & 0x00ff) {
pic.lines &= ~num;
pic.irr &= ~num;
pic.lines &= ~(num & 0x00ff);
pic.irr &= ~(num & 0x00ff);
}
}