Reverse-engineering the Digitech XP-100 (8051 assembly)

A detailed look at how I analysed the programs that run on the Digitech XP series guitar pedals and modified them to solve an issue present in a popular hardware mod. 0:00:00 Intro 0:01:12 Background 0:04:28 Hardware 0:16:06 Reverse engineering (EEPROM) 0:49:52 Reverse engineering (LED display) 1:11:17 Saving mod Drinking game: take a shot every time I say "so"