.nolist
.include "m32u2def.inc"
.list

.def temp = r16
.def temp1 = r17

ldi	temp,	low(ramend)
out	SPL,	temp
ldi	temp,	high(ramend)
out	SPH,	temp

ldi	temp,	0x11
out	ddrb,	temp
out portb, temp

ldi temp, 0x55
out ddrb, temp
out pinb, temp

ldi temp, 0x01
out pinb, temp

ldi temp, 0xAA
out portb, temp