> Seems like a challenge since I didn't find any information on=20
> the PICLIST on how to erase and reprogram 16F84s or it might=20

Most programmers/programming software will automatically erase the chip =
before attempting to load a new program.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
=20

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http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.