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Boot18 is my implementation of a flash memory bootloader for the PIC18F252 and PIC18F452. I wrote it way back in the distant past when I was learning how the PIC18F chips worked (and how they differed from the PIC16F series). At that time, I didn't have an ICD2, and my PIC programmer was incredibly slow. That meant that it took quite a while to debug code of any size (I once made and consumed a cup of tea in the time it took to program the PIC). I do still use Boot18, though - it's great for adding field-upgrade support to PIC designs, and is currently being used in a number of commercial products.


Boot18 version 1.40