This page contain links to documentation on Game Boy emulation.
A table with all the opcode of the nintendo gameboy CPU. Also include the flags affected by each instruction, and their timings. It is a rework of Imran Nazar’s opcode table.
A set of test-roms made by Blargg to check the cpu instructions behavior, timing, acess to memory, and sound implementation.
Mirror available here:
How Do I Write an Emulator? is a general introduction to developping an emulator, written by Daniel Boris in 1999. It is still very accurate. This text is independent of the platform targeted, and apply to a wide range of consoles.