>My 6800 systems run fine > on the 2708s, no need to redesign them to run with flash. But when > it comes time to do so I won't be using the 6800s. Of course not. That would be stupid. The obvious thing to do then would be to upgrade to 6802's. (Or if you insist on leading edge stuff, maybe make the quantum leap to 6809!). RM ( I can still write some 6800 machine code in my head :-). Less used op codes have been forgotten. Favourite is, of course, $DD ) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist