Wii Gamecube Homebrew Launcher

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Wii Gamecube Homebrew Launcher
Author(s)Mega Man
GameCube Controller Loads files from the Front SD slot Loads files from SDHC cards in the Front SD slot

This homebrew application makes permanent changes to the Wii's NAND, thus, this application should be used with caution.

It is recommended to have a NAND backup with either BootMii as boot2 or Priiloader with BootMii as IOS installed before proceeding with the usage of this application.


Launch Gamecube homebrew on Wii. Ensure that you read the documentation and understand what you are doing before using. This program modifies the MIOS and therefore can be dangerous.

Background Information

DOL loader is patched into MIOS. If Wii switches to Gamecube mode, the DOL loader is always started. The loader will start Gamecube homebrew if loaded by GCBooterHomebrew. The loader launches the normal GC loader if no homebrew is detected. This behaviour can be disabled by reinstalling a normal MIOS via DOP-Mii.

Installation Steps

  1. Copy RVL-mios-v5.wad.out.wad to root of SD card (This file is not included in the archive but is located on the Super Mario Galaxy (EU) disc, Mario Kart (EU), Super Smash Bros. Brawl (EU) and possibly other discs. It can also be downloaded using NUSD. Use a different version at your own risk. The MIOS patching wad installer will only allow to install MIOS. This can only break the GC mode. Loader should not patch any starlet code.)
  2. Patch MIOS using MIOSPatchingWADInstaller.
  3. Copy boot.dol from GCBooterHomebrew to SD root and rename it start.dol.
  4. Launch GCBooterHomebrew. This will start the the DOL on the SD card. If screen looks strange, you need to try it again. It is sometimes not working.

You can use Wii Homebrew Launcher to load GameCube homebrew. To do this, copy the EMULATOR directory at the root of the SD card and copy your homebrew in /EMULATOR/GCUBE/ROMS. In Wii Homebrew Launcher, go to Emulator channel, select 'GameCube Homebrew' channel and select the homebrew to load.


Version 0.2.2 by Hell Hibou
- Add quick read and SDHC support
- Using standard libfat device name (fat1, fat2, ...) for WHL 0.12 compatibility

Version 0.2.1 by Hell Hibou
- Add command line interface for Wii Homebrew Launcher
- Add loading dol file from USB Flash and SDgecko (Wii Homebrew Launcher only)
- PAL 60Hz mode fix
- Remove reading GC game ID code
- Add DVD light when loading file

Version 0.2 by MegaMan
- Support for front SD slot.
- Gamecube disc work normally.


See Also