Dave Dilatush wrote : > ...how to deal with it to avoid "running over" > library-defined symbols by inadvertently re-defining > one or more of them in my own code. Doesn't all builtin library routines follow some common naming standard ? Even if it's only the three underscores in your example? I don't know the ASM30 environment, but in other envirs there's usualy a note in the docs saying "symbol names begining with this-or-that are reserved...". Regards, Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist