Ok, thank you for your answer. The problem is that around here a PIC
programmer that works with almost all pics is about 200 usd
(picstart+) and 200 is quite expensive.
dics


>> Is it possible to make a very simple circuit to program EVERY 16F
>> and
>> 18F pics using ICSP ?

RM> No. Some processors do not support ISP.
RM> For those that do the circuitry is usually very simple BUT the 
RM> programming algorithms vary between chips, and keeping up with them is 
RM> a major task. Part of paying for a well supported professional 
RM> programmer includes having THEM keep up with the algorithms.

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