.include "tn2313def.inc"

.def temp = r16
.def LED1 = r17
.def LED2 = r18
.def LED3 = r19
.def comB = r20

//Interrupts

.org 0x0000
	rjmp main		//Reset
.org 0x0006
	rjmp Overflow	//Clock0_Overflow
.org 0x000E
	rjmp MatchB		//Clock0_CompareMatchB


main:

//Stakcpointer


ldi temp, RAMEND
out SPL, temp


//Everything and All

	ldi LED1, 0b00000001
	ldi LED2, 0b00000010
	ldi LED3, 0b00000100

//PORTS

	ldi temp, 0xFF
	out DDRB, temp

//Clock und MatchB

	ldi comB, 0x01					//Wann wird MatchB ausgelöst?
	out OCR0B, comB

	ldi temp, 0b00000011			//WGM0 set to 3
	out TCCR0A, temp

	ldi temp, 0b00000011			//Prescaler = 128
	out TCCR0B, temp

	ldi temp, 0b00000110			//Interrupt-Enable of Overflow & MatchB
	out TIMSK, temp

sei

loop:

rjmp loop


Overflow:

mov temp, LED3
or temp, LED2
out PORTB, temp

reti


MatchB:

	inc comB
	out OCR0B, comB
	cpi comB, 0x00			//AVA 0x01
	brsh step3
	inc comB

lsl LED1
	cpi LED1, 0x01
	brsh step1
	ldi LED1, 0x01

step1:

	lsl LED2
	cpi LED2, 0x01
	brsh step2
	ldi LED2, 0x01

step2:

	lsl LED3
	cpi LED3, 0x01
	brsh step3
	ldi LED3, 0x01

step3:	

mov temp, LED1
OR temp, LED2
out PORTB, temp

reti