- [RGBDS documentation][rgbds-doc]: Includes information on the RGBDS tools and the assembly language syntax.
   - [GBZ80 instructions][gbz80-instructions]: List of CPU instructions and their effects.
   - [RGBASM features][rgbasm-features]: How to use the assembler features: constants, labels, sections, macros, etc.
   - [RGBLINK features][rgblink-features]: How to use the linker, including the [pokecrystal.link](../blob/master/pokecrystal.link) linkerscript.
- [ASMSchool][asmschool]: A gameboy assembly tutorial.
- [GB ASM Tutorial][gb-asm-tutorial]: A newer but still in-progress asm tutorial.
- [Pan Docs][pan-docs]: Everything You Always Wanted To Know About GAMEBOY (but were afraid to ask).
- [GameBoy Programming Manual][gb-manual]: The official GameBoy programming and hardware manual by Nintendo.
- [Game Boy Opcode Table][optable]: A table of all opcodes supported by the GB CPU, including durations and effects on flags.
- [GameBoy Memory Map][gb-memory-map]: Describes the GameBoy's address space.
- [Gameboy Bank Switching][bank-switching]: Describes how RAM and ROM banks work.
- [awesome-gbdev][awesome-gbdev]: A curated list of Game Boy development resources such as tools, docs, emulators, related projects and open-source ROMs.

[rgbds-doc]: https://rednex.github.io/rgbds/
[rgbasm-features]: https://rednex.github.io/rgbds/rgbasm.5.html
[rgblink-features]: https://rednex.github.io/rgbds/rgblink.5.html
[gbz80-instructions]: https://rednex.github.io/rgbds/gbz80.7.html
[asmschool]: http://gameboy.mongenel.com/asmschool.html
[gb-asm-tutorial]: https://eldred.fr/gb-asm-tutorial/
[pan-docs]: https://gbdev.io/pandocs/
[gb-manual]: https://ia801906.us.archive.org/19/items/GameBoyProgManVer1.1/GameBoyProgManVer1.1.pdf
[optable]: https://gbdev.io/gb-opcodes/optables/classic
[gb-memory-map]: http://gameboy.mongenel.com/dmg/asmmemmap.html
[bank-switching]: https://b13rg.github.io/Gameboy-Bank-Switching/
[awesome-gbdev]: https://github.com/avivace/awesome-gbdev