Q40_IRQ_KEYB_MASK
{Q40_IRQ_KEYB_MASK,Q40_IRQ_KEYBOARD},
if (mir & Q40_IRQ_KEYB_MASK)
if (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG))
while (maxread-- && (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG)))