> Isn't this how most 'proper' programmers work? > > Download a hex file from a PC to some onboard memory, which > then uses a PIC to program the target PIC... Yes, except for the 'then' which implies that the full image is first stored and only then programmed. PICs don't ahve enough RAM for that. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.