> If I don't erase the chip I get verification errors as well. But, an erase
> before the programming causes the verification to succed. I've no idea
> why

Erase before Program is part of the routine with any PIC I use now
(12F675, 16F88, 16F628, 18F452 with MPLAB/PS+). Possibly
something to with the new Flash fabrication, don't know don't care,
I just do it. Do you remember having to Erase first before your
attempted munting of the 12F629 ?


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