> May be you should read this answer to you before. I think you > must have missed it No, but it made me even more confused about your opinion of the software. Either it works OK, or it does not. In the latter case there might be some accidental combination that gives you the result you want, but that is just that, accidental. > The "Bulk Erase Program Memory" command the 628A is more powerful than > on the 628. It is also different (16F628 : requires a start programming command, -A : no such command - for all I know issuing the command will cancel the erase). >> all c84-programming-compatible chips in the programming > specs is wrong. > Can you be more specific? A keyword would save a lot of time. To you yes, but it would cost me a lot of time. If you are interested (and don't want to search the piclist archive) you can find the sequence in the firmware of my WISP and Wisp628 programmers (both available on the web, one in assembler, the other in Jal). Or google for the software/firmware of any other programmer. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body