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DS emulator, sorta
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StapleButter 12c35093aa set GXSTAT busy flag immediately when writing a command to the GXFIFO. 
there was a slim chance that a game could send a couple commands and read GXSTAT.busy as zero immediately after. the new timings made that happen in NSMB (not in the USA ROM, oddly), such that the game was reading the clip matrix while matrix commands were running, and getting the first few values wrong.

fixes #295 and probably others in the same vein.
 		2018-12-15 05:00:25 +01:00
cmake build: add mingw64 cross-compiling 2017-12-09 18:06:40 +08:00
flatpak Add manifest for building as a flatpak 2018-11-04 23:38:14 +01:00
icon gtk: add icon 2017-12-16 05:43:34 +01:00
src set GXSTAT busy flag immediately when writing a command to the GXFIFO. 2018-12-15 05:00:25 +01:00
.gitignore gtk: add icon 2017-12-16 05:43:34 +01:00
CMakeLists.txt add dialog for audio settings, flesh it out 2018-12-14 04:09:51 +01:00
LICENSE reorganize repo, move shit around 2017-03-16 23:01:22 +01:00
README.md also update the readme a bit while we're at it 2018-12-15 00:36:16 +01:00
melon.ico windows: add icon 2017-12-16 04:10:32 +01:00
melon.rc use melon_fopen_local() for romlist.bin. 2018-12-11 21:52:21 +01:00
melonDS.cbp add dialog for audio settings, flesh it out 2018-12-14 04:09:51 +01:00
melon_grc.xml gtk: add icon 2017-12-16 05:43:34 +01:00
romlist.bin * correct romlist.bin (Club Penguin Herbert's Revenge EUR uses 4K EEPROM, not 64K) 2018-12-13 15:03:06 +01:00
xp.manifest start work on the input config dialog. nonfunctional and looks like shit. 2017-03-23 23:38:40 +01:00

README.md

melonDS

DS emulator, sorta

The goal is to do things right and fast, akin to blargSNES (but hopefully better). But also to, you know, have a fun challenge :)

How to use

melonDS requires BIOS/firmware copies from a DS. Files required:

  • bios7.bin, 16KB: ARM7 BIOS
  • bios9.bin, 4KB: ARM9 BIOS
  • firmware.bin, 128/256/512KB: firmware

Firmware boot requires a firmware dump from an original DS or DS Lite. DS firmwares dumped from a DSi or 3DS aren't bootable and only contain configuration data, thus they are only suitable when booting games directly.

Possible firmware sizes

  • 128KB: DSi/3DS DS-mode firmware (reduced size due to lacking bootcode)
  • 256KB: regular DS firmware
  • 512KB: iQue DS firmware

DS BIOS dumps from a DSi or 3DS can be used with no compatibility issues. DSi BIOS dumps (in DSi mode) are not compatible. Or maybe they are. I don't know.

As for the rest, the interface should be pretty straightforward. If you have a question, don't hesitate to ask, though!

How to build

Linux:

mkdir -p build
cd build
cmake ..
make

Windows:

  • use CodeBlocks
  • or receive golden cookies if you get Cmake to work

Build system is not set in stone.

TODO LIST

  • improve libui and the emulator UI
  • hardware renderer for 3D (w/ upscaling and fancy shit)
  • support for rendering screens to separate windows
  • emulating some fancy addons
  • other non-core shit (debugger, graphics viewers, cheat crapo, etc)

TODO LIST FOR LATER

  • better wifi
  • maybe emulate flashcarts or other fancy hardware
  • big-endian compatibility (Wii, etc)
  • LCD refresh time (used by some games for blending effects)
  • any feature you can eventually ask for that isn't outright stupid

Credits

  • Martin for GBAtek, a good piece of documentation
  • Cydrak for the extra 3D GPU research
  • All of you comrades who have been testing melonDS, reporting issues, suggesting shit, etc

License

GNU GPLv3 Image

melonDS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.