; timer functions

TIMER0_INIT:

	; clock select
.ifdef DEBUG_PORTS
	ldi tmp1,0x03
.else
	ldi tmp1,0x02
.endif
	out TCCR0B,tmp1

	ret

TIMER1_INIT:

	; clock select
	ldi tmp1,0x04
	out TCCR1B,tmp1

	ret

TIMER0_INT_INIT:

	; overflow interrupt
	ldi tmp1,0x02
	out TIMSK,tmp1

	ret

TIMER1_INT_INIT:

	; overflow interrupt
	in tmp1,TIMSK
	ori tmp1,(1<<7)
	out TIMSK,tmp1

	ret