I'm sure I've seen something along this line before, but where ... Oh well, here goes: How do I program the EEPROM of a 16C84 or 16F84 straight from the source code. What assembler directives (such as DE) do I use and at what ORG ? I use MPASM v1.5 and picser.exe (in case it is different for other environments). Edward Cardew http://www.ltnb.lu/~edward for Remote control RC5 decoder using interrupts on a 16C84.