>On these points, what do other people think? I thought the idea of a RISC processor was to keep the instruction count to a minimum while still providing flexiblility. 35 instructions are pretty easy to learn and remember. I think simpler is, more often than not, better :-) Tony PicNPoke Multimedia 16F84 Beginners PIC Tools. **PLUS** - PicNPlay - PicNPlan - PicNPrep - PicNPost PicNPort - DT Type Saver - *new* PicNQuiz. Recent addition - Hex To Source converter. http://www.picnpoke.com Email picnpoke@cdi.com.au