> I would have thought some enterprising type would have passed > the download > code through a disassembler by now and worked all this out, > after all the > destination chip is a well known one ;))) That is not enough. You can reverse-engineer what the current firmware requires, but that is not sufficient to create PC support for future firmware. Remember that the ICD2 is in some sense just hardware with a bootloader, the firmware is downloaded 'on demand'. 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