> I think that it is very hard > to maintain at least for an outsider like me. I agree. reasons: 1. it was written to be maintainable by me, fitting my writing style and nothing else 2. it was originally written for 16c84 only, after which it has been 'streched' to cover 12-bit cores, other 14-bot cores and even 16-bit cores. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.