Josh Koffman wrote: > For WREG, on entry I execute a > "MOVWF W_Temp", and on exit "MOVF W_Temp, W". That will trash some status bits. I don't get it. Interrupt save/restore is a well-invented wheel. Wh= y do people keep trying to create their own code, especially when they don't know what they're doing enough to get it right!? ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .