ATmega128: T1A - Switchs e LEDs

; Pretende-se controlar o estados leds D1...D8 utilizando para isso os interruptores SW. O estados dos leds deve obedecer à seguinte tabela:

; Interruptor Activo | Leds Ligados
; SW1 | D1, D8
; SW2 | D2, D7
; SW3 | D3, D6
; SW4 | D4, D5
; SW6 | LEDs desligados

.include<m128def.inc>

.cseg
.org 0

jmp main

main:
        ; saida
        ser r16
        out DDRA, r16

        ser r16
        out PORTA,r16

        ; entrada
        clr r16
        out DDRE, r16

        clr r16
        out PORTE,r16

test:
        in r17,PINE

        mov r16, r17
        andi r16, 0x01; 0b00000001
        breq sw10

        mov r16, r17
        andi r16, 0x02; 0b00000010
        breq sw20

        mov r16, r17
        andi r16, 0x04; 0b00000100
        breq sw30

        mov r16, r17
        andi r16, 0x08; 0b00001000
        breq sw40

        mov r16, r17
        andi r16, 0x10; 0b00010000
        breq sw50

        mov r16, r17
        andi r16, 0x20; 0b00100000
        breq sw60
        jmp test

sw10:
        ldi r16, 0x7E; 0b01111110
        out PORTA, r16
        jmp test

sw20:
        ldi r16, 0xBD; 0b10111101
        out PORTA, r16
        jmp test

sw30:
        ldi r16, 0xDB; 0b11011011
        out PORTA, r16
        jmp test

sw40:
        ldi r16, 0xE7; 0b11100111
        out PORTA, r16
        jmp test

sw50:
        ldi r16, 0x42; 0b01000010
        out PORTA, r16
        jmp test

sw60:
        ldi r16, 0xFF; 0b11111111
        out PORTA, r16
        jmp test