Hey everyone! The Gameboy Color was first introduced to the market in 1998, and since then its internal startup boot ROM had not been dumped. Well, this guy finally got his VDD and clock glitching tricks to deceive the Gameboy Color (GBC) into sharing its boot ROM! For those of you who don’t know, the GBC’s boot ROM is what is responsible for initializing the hardware and showing the “GAMEBOY” introductory animation. Read all about the details of how I dumped the ROM as well as download it for yourself (with an almost complete disassembly by Duo)
here
Read more here http://www.fpgb.org/