gbz80

pret/pokered

+11

Disassembly of Pokémon Red/Blue

polishedcrystal

+8

An upgrade to Pokémon Crystal. Brings features and content up to date, and adds some original content.

z88dk/z88dk

+4

The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.

pokecrystal

+3

Disassembly of Pokémon Crystal

gbdev/rgbds

+1

Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color