> If you know that bank switching is going on, that would be > useful info. If you even know if the rom is bigger than 32k > that would help. Although that doesn't seem to be going on here. > there is definitle rom switching going on : the TI-82 has 128k rom, adn teh 83 can do everything teh 82 can do..... Rob Taylor MAIL - mailto:rtaylor@ticalc.org WEB - http://www.u-net.com/~rtaylor/