> display program, but after I loaded a 7-segment led driver I > can't load and erase the 16f628a anymore. without any changes to the target circuit, or did you maybe connect the display to port B? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist