"Clewer,Brian" wrote: >Quite plain and simple, my question is what are the commands SKPNC and SKPZ? >I see they are used in this macro but what do they do? I don't see them on >any of my data sheets! These are macros that are built into MPASM. Many people find them easier to type and more intuitive to read. SKPNC: skip if no carry = btfsc STATUS, C SKPZ: skip if zero = btfss STATUS, Z -- Bob Fehrenbach Wauwatosa, WI bfehrenb@execpc.com