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open_agb_firm
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open_agb_firm is a bare metal app for running GBA homebrew/games using the 3DS builtin GBA hardware.
14 Commits 2 Branches 13 Tags 2.8 MiB
C 63.2%
Makefile 13.4%
Assembly 12.9%
C++ 5.3%
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profi200 7aeb539266
Added variable framerate code to sync GBA mode and LCD framerate. 		2020-05-03 22:43:19 +02:00
arm9 Initial commit. 2020-04-15 23:50:52 +02:00
arm11 Added VRAM allocator (thanks to libctru). 2020-04-24 20:22:10 +02:00
include Get rid of GPU init cmd list. We only need a single write. 2020-04-30 09:16:48 +02:00
source Added variable framerate code to sync GBA mode and LCD framerate. 2020-05-03 22:43:19 +02:00
thirdparty/fatfs Initial commit. 2020-04-15 23:50:52 +02:00
.gitignore Initial commit. 2020-04-15 23:50:52 +02:00
LICENSE.txt Initial commit. 2020-04-15 23:50:52 +02:00
Makefile Initial commit. 2020-04-15 23:50:52 +02:00
README.md Added long overdue credits because without them i would still struggle to understand the GPU. 2020-05-01 21:30:20 +02:00

README.md

open_agb_firm

open_agb_firm is a very experimental, bare metal implementation of the 3DS GBA mode. Not ready for serious use yet.

Disclaimer

We are not responsible for any damage that may occur to your system as a direct or indirect result of you using open_agb_firm.

How to build

To compile open_agb_firm you need

installed in your system. Additionally you need 7-Zip or on Linux p7z installed to make release builds. Also make sure the CTR firm builder and dma330as binaries are in your $PATH environment variable and accessible to the Makefile. Build open_agb_firm as debug build via make or as release build via make release.

Known issues

This section is reserved for a listing of known issues. At present only this remains:

  • Drops a single frame roughly every 5 seconds. This is due to different refresh rates of the LCDs and the builtin GBA hardware.
  • Save type hardcoded to 32 KiB (256k) SRAM. Unknown how save type detection will be done.

If you happen to stumble over another bug, please open an issue in the official open_agb_firm repo on GitHub or contact me via other platforms.

License

You may use this under the terms of the GNU General Public License GPL v3 or under the terms of any later revisions of the GPL. Refer to the provided LICENSE.txt file for further information.

Thanks to...

  • yellows8
  • plutoo
  • smea
  • Normmatt
  • WinterMute
  • ctrulib devs
  • Luma 3DS devs
  • devkitPro
  • ChaN
  • fastboot3DS project
  • Wolfvak, Sono and all the other people on GodMode9 IRC/Discord
  • ...everyone who contributed to 3dbrew.org

Copyright (C) 2020 derrek, profi200, d0k3