It is a skip on zero. It is documented on page 248 of the assembler manual http://ww1.microchip.com/downloads/en/DeviceDoc/MPASM_&_MPLINK_33014h.pdf bill Marcel van Lieshout wrote: >Probably a noob question, but anyway... > >I'm trying to find some official info on things like skpz and skpnz. These don't show in the instructionsets in the datasheets, not in an include-file. Searching on www.microchip.com for eg. skpnz didn't bring anything usefull either. I expect these to be some kind of macro, but where are they defined and documented? Where can I find a complete list? > >Thanks! > >Marcel > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist