IRQ_DISABLED
case IRQ_DISABLED:
if (intpin->io_irq == IRQ_DISABLED || (intpin->io_irq >= 0 &&
if (io->io_pins[pin].io_irq == IRQ_DISABLED)
io->io_pins[pin].io_irq = IRQ_DISABLED;
assert(irq_counts[irq] == 0 || irq_counts[irq] == IRQ_DISABLED);
irq_counts[irq] = IRQ_DISABLED;
assert(irq_counts[irq] != IRQ_DISABLED);
irq_counts[i] = IRQ_DISABLED;
if (irq_counts[irq] == IRQ_DISABLED)