.include "m8def.inc" ldi r16, 0xff out DDRB, r16 ldi r16, 0b01010101 out PORTB, r16 end: rjmp end
.include "m8def.inc" ldi r16, HIGH (RAMEND) out SPH, r16 ldi r16, LOW (RAMEND) out SPL, r16 ldi r16, 0xff out DDRB, r16 ldi r16, 0xff loop1: out PORTB, r16 rcall sleep dec r16 rjmp loop1 sleep: push r16 push r17 ldi r17, 0xff sleep_loop1: ldi r16, 0xff sleep_loop2: dec r16 brne sleep_loop2 dec r17 brne sleep_loop1 pop r17 pop r16 ret
.include "m8def.inc" .org 0x000 rjmp RESTART .org INT0addr rjmp ExtInt0 .org INT1addr rjmp ExtInt1 RESTART: ldi r16, HIGH (RAMEND) out SPH, r16 ldi r16, LOW (RAMEND) out SPL, r16 ldi r16, 0xff out DDRB, r16 ldi r16, 0x00 out DDRD, r16 ldi r16, (1 << ISC01) | (1 << ISC11) out MCUCR, r16 ldi r16, (1 << INT0) | (1 << INT1) out GICR, r16 sei end: rjmp end ExtInt0: ldi r16, 0xff out PORTB, r16 reti ExtInt1: ldi r16, 0x00 out PORTB, r16 reti