hi, i am trying to make an input/output card fot my TI92+. To do this i need to be able to change wire (red and white) by software, and manually : i can't use TI rom fonctions for input output. I have tried to wrote to $68000e and put a 01000011 00000000 but it doesn't work. As anyone managed to use this yet ? could you please tell me more ! thanx a lot sarfata@altern.org