LAPIC_LVTT
lapic_readreg(LAPIC_LVTT));
lapic_writereg(LAPIC_LVTT, mode | mask | LAPIC_TIMER_VECTOR);
reg = LAPIC_LVTT + (pin << 4);
reg = LAPIC_LVTT + (pin << 4);
i82489_readreg(LAPIC_LVTT));
i82489_writereg(LAPIC_LVTT, mode | mask | LAPIC_TIMER_VECTOR);