> Yes but that does not pop the subroutine stack, and that's one of the > important things MCLR does. I do not think you need to pop the subroutine stack. Can you make a program that behaves difefrently when the stack is not 'poped' (whatever that should mean in the contect of a PIC!). Wouter van Ooijen Van Ooijen Technische Informatica: http://www.voti.nl Jal compiler for PIC uC's: http://www.voti.nl/jal PICs kopen? http://www.voti.nl/shop -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu