TIMER_16BIT
if (rw != TIMER_LATCH && rw != TIMER_16BIT)
mode = TIMER_SEL2 | TIMER_SQWAVE | TIMER_16BIT;
outb(TIMER_MODE, TIMER_SEL2 | TIMER_SQWAVE | TIMER_16BIT);
new_mode = TIMER_SEL0 | TIMER_INTTC | TIMER_16BIT;
new_mode = TIMER_SEL0 | TIMER_RATEGEN | TIMER_16BIT;
new_mode = TIMER_SEL0 | TIMER_INTTC | TIMER_16BIT;