GBT Player
Music player library and converter kit for the Game Boy family of consoles. It's available for the Game Boy Advance as a C library. It's also avaliable for Game Boy and Game Boy Color as a RGBDS library. There is also a legacy version that uses GBDK. If you're interested in the changes introduced with each version, check the changelog.
On GBA it is possible to use GBT Player at the same time as other players like Maxmod, check this example.
Introduction
GBT Player is a music creation environment for GB, GBC and GBA. It is formed by:
- GBT Player: Library to play GBT format on GB, GBC or GBA.
- s3m2gbt: Converts S3M files into GBT (GameBoy Tracker) format.
- mod2gbt: Converts legacy MOD files into GBT (GameBoy Tracker) format.
It's the same idea as the old Lemon player for Game Boy, but greatly improved: You take a MOD file that you can edit in any tracker, convert it with a special converter to something that the Game Boy can understand, and play it there.
Because of this workflow, there are some limitations that are needed so that the MOD/S3M file and the result on the GB/GBA are similar.
As of version 4.0.0 there is a big split between the GB/GBC version and the GBA version. The GB version is stuck in version 3.X, and all the new changes are added to the GBA because it's easier to prototype new features there.
- For GBA, the code is just in C, and it doesn't depend on any library apart from a few standard library headers.
- For GB/GBC, there is source code for RGBDS, the main option for Game Boy development (in my opinion). There is also legacy code for an old version that also supported GBDK, but it's mostly unmaintained. Note that there is no S3M support for GB/GBC, only for GBA.
GBT Player is open source, and it is licensed under the MIT license. That means that you can use and modify it but you have to give credit for the original work. It would be nice to you tell me if you use it, anyway. :)
About
Licensed under the MIT license.
Copyright (C) 2009-2022 Antonio Niño Díaz
All rights reserved.
Email: antonio [underscore] nd [at] outlook [dot] com
Web: www.skylyrac.net
Latest version: https://github.com/AntonioND/gbt-player