At 09:20 10/12/98 +0000, you wrote: >Is there any way of telling MPLAB that one or more bits of PORTB are high, >which stepping through the code? Debug...Stimulus...Asynch Stimulus Right click on one of the buttons to select a pin and button function (H,L,pulse or toggle) Nigel -- Nigel Orr Research Associate O ______ Underwater Acoustics Group, o / o \_/( Dept of Electrical and Electronic Engineering (_ < _ ( University of Newcastle Upon Tyne \______/ \(