.include "m8def.inc"

ldi R16, LOW(RAMEND)
out SPL, R16
ldi R16, HIGH(RAMEND)
out SPH, R16
ldi R16, 0x00
out DDRB, R16
ldi R16, 0xFF
out DDRC, R16
out PORTB, R16

loop:
in R17, PINB
andi R17, 0b11111011
out PORTC, R17
rjmp loop