Assembly Programming

RGBDS documentation: Includes information on the RGBDS tools and the assembly language syntax.
- GBZ80 instructions: List of CPU instructions and their effects.
- RGBASM features: How to use the assembler features: constants, labels, sections, macros, etc.
- RGBLINK features: How to use the linker, including the pokecrystal.link linkerscript.
ASMSchool: A gameboy assembly tutorial.
GB ASM Tutorial: A newer but still in-progress asm tutorial.
Pan Docs: Everything You Always Wanted To Know About GAMEBOY (but were afraid to ask).
GameBoy Programming Manual: The official GameBoy programming and hardware manual by Nintendo.
GameBoy Opcode Summary: Describes the opcodes of GameBoy assembly language.
GameBoy Memory Map: Describes the GameBoy Color address space.
awesome-gbdev: A curated list of Game Boy development resources such as tools, docs, emulators, related projects and open-source ROMs.