hola, mira el manual ice q ni siquiera estan implementados
y q si lees ddatos de alliu , leeras ceros
asi q si escribes algo y luego lo lees perderas los 3 bits mas altos q estaran a cero.
Legend: x = unknown, u = unchanged, - = unimplemented read as "0". Shaded cells are unimplemented, read as "0"