Programming

Game Boy Stuff Pan	This doc is extremely old, although I can't date it exactly. It includes just about any data you could want on the Game Boy system. There was far to much for me to read through with interest, but it appears to be very detailed.
Game Boy Stuff (II) Several People	The expanded version of the preceding document. This is the new version of Pan's Game Boy document. Updated by Jeff Frohwein in March 97.
Game Boy Technical Information Marat Fayzullin	This is a doc written by Marat about various aspects of Game Boy development. Thus, Game Boy Technical Information.
Programming Info author unknown	What do you know? Game Boy Programming Info. Memory map, Z80 opcodes, video, sprites, sound, CPU info.