.include "4433def.inc"
.def temp = r16
.org 0x0000
rjmp reset

.org 0x0006
rjmp tim0_ovf

.org 0x000B
rjmp ADC_ISR

reset:
	ldi temp, RAMEND
	out SPL, temp

	ldi temp, 0xFF
	out DDRB, temp
	out DDRD, temp

	ldi temp,0b10000000
	out PORTD,temp

	ldi temp, 1<<TOIE0
	out TIMSK,temp
	ldi temp,0x0C
	out TCNT0, temp
	ldi temp, 0b00000101
	out TCCR0,temp


	ldi temp, 0
	out ADMUX, temp

	ldi temp, 0b11001101
	out ADCSR, temp

	sei
	loop:
	rjmp loop

tim0_ovf:
	push temp
	push r17
	in temp,SREG
	push temp

	in temp,PIND
	ldi r17, 0b10000000
	eor temp,r17
	out PORTD,temp

	pop temp
	out SREG, temp
	pop r17
	pop temp
reti

ADC_ISR:
	push temp
	push r17
	in temp,SREG
	push temp
	in temp, ADCL
	in r17, ADCH
	lsr r17
	ror temp
	lsr r17
	ror temp

	subi temp,255
	breq relaisan
	brlo relaisaus


relaisan:
	ldi temp,0xFF
	out PORTB,temp
	pop temp
	out SREG,temp
	pop r17
	pop temp
reti

relaisaus:
	ldi temp,0x00
	out PORTB,temp
	pop temp
	out SREG,temp
	pop r17
	pop temp
reti