At 14:14 30/05/98 +0200, you wrote: >Due to all the questions about MPLAB, though I have not used the software >myself, I have come to the conclusion it is difficult to use. After this >prologue, it is suitable with the question: is MPLAB the best program >(only?) to convert to hex from assembler code? Where can I download this >software (is it free?) and how do I use it? I have win95 and winNT4.0. Fortunatly MPLAB is not the only PIC software available, UMPS is a good starting point to begin. More than MPLAB, it will simulate also external environment such LCD panel, EEPROM and so on. UMPS is easy to learn, try the example for each micro. UMPS demo at: http://www.sistudio.com/umps Regards, Philippe.