David VanHorn wrote: > The routine that gives you fits for days can be as small as only a few > instructions, if it's interacting with something outside the CPU. Dead right there. I've probably got about 1K2 of code total that is spread out across 4 PICs all communicating together, 2 via a radio link. What about a 1K programmable ignition system. Try debugging these in the real world, [sigh] the memories :-) -- Best regards Tony http://www.picnpoke.com mailto:sales@picnpoke.com