.include "m88def.inc" start: ldi r16, 0xFF out DDRB, r16 ldi r16, 0x00 label0: inc r16 out PORTB, r16 cpi r16, 0 breq label3 label4: ldi r18, 0xff label2: ldi r17, 0xff label1: dec r17 cpi r17, 0 brne label1 dec r18 cpi r18, 0 brne label2 rjmp label0 label3: ldi r16, 0xfe jmp label4