In article <199606151551.BAA21938@redback.ne.com.au>, Newfound Electronics writes > >If you want to program the data eeprom you can either get hold of a cheap >16C84 programmer with this feature, or load the data EEPROM at RUN TIME by >storing the contents with RETLW XX instructions. This I see has been >described to you before and might get you going. > > Jim. I ended up building a simple 16C84 programmer and this worked fine once I had found the mistake in the published circuit. Ken +-----------------------------+----------------------------------+ | ken hewitt | Email ken@welwyn.demon.co.uk | +-----------------------------+----------------------------------+