Gerhard Fiedler wrote: > Adding a few dummy assignments between arguments and local or public > variables shows you how the compiler does these things. Well, at least the things you specifically tested. This is dangerous because there are all kinds of exceptions that you might not think of to test for. As usual, there is not substitute for RTFM. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist