Untitled

.include"m8535def.inc"
.def aux = r16
.def nbit = r17
rjmp main
rjmp cnta
rjmp cmba

main:
ldi aux,lov(ramend)
out spl,aux
ldi aux,high(ramend)
out sph,aux
ser aux
out ddra,aux
out portd,aux
ldi aux,$0a
out mcucr,aux
ldi aux,$c0
out gicr,aux
clr aux
ldi nbit,1
sei

fin:
out porta,aux
rjmp fin

cnta:
in aux, pina
eor aux,nbit
reti

cmba:
lsl nbit
reti