>>-+-COPY-+--address_1--address_2--+-----------------------+---->
'-C----' | .-4-------. |
'-LENGTH(-+-integer-+-)-'
.-NOPOINTER-.
>--+-----------+--+-------------------------+------------------->
'-POINTER---' +-ARFROM(register_number)-+
'-ALETFROM(alet_value)----'
>--+-----------------------+-----------------------------------><
+-ARTO(register_number)-+
'-ALETTO(alet_value)----'