Snes9x GX

https://github.com/dborth/snes9xgx (Under GPL License)

Snes9x GX is a Super Nintendo / Super Famicom emulator for the Nintendo Wii, Snes9x GX is a port of Snes9x (http://www.snes9x.com).

Snes9x GX is a "homebrew application" which means you will need a way to run unsigned code on your Nintendo Wii. The best website for getting started with Wii homebrew is WiiBrew (www.wiibrew.org).

TABLE OF CONTENTS

• Nightly Builds
• Features
• Update History
• Installation
• Initial Setup
• Configuration
• File Browser
• Gameplay
• Cheats
• Turbo Mode
• Importing and Exporting SRAM
• Update History (OLD)
• Credits
• Links

NIGHTLY BUILDS

Download the latest builds from continuous integration:

Name	Status	File
Snes9x GX Wii/Wii U
Snex9x GX GameCube

FEATURES

• Based on Snes9x 1.62.3 (with faster Blargg S-SMP module)
• Wiimote, Nunchuk, Wii Classic, Wii Pro, Wii Super NES Classic, Wii U Pro, and Gamecube controller support
• Wii U GamePad support (requires homebrew injection into Wii U VC title)
• Retrode/Xbox 360/Hornet controller support
• Mayflash PC044 and MF105 SNES to USB adapter support
• SNES Superscope, Mouse, Justifier support
• Cheat support
• Artwork (artwork, cover or screenshot) support
• Satellaview (BS-X) support
• Auto Load/Save Game Snapshots and SRAM
• Custom controller configurations
• SD, USB, DVD, SMB, Zip, and 7z support
• Autodetect PAL/NTSC, 16:9 widescreen support
• Original/filtered/unfiltered video modes
• Video filters - hq2x, Scale2x, Scanlines, 2xBR, DDT
• Turbo Mode - up to 2x the normal speed
• Zoom option to zoom in/out
• Open Source!

UPDATE HISTORY

[5.0.0 - July 6, 2026]

• Completely rewritten filters hq2x, Scale2x, 2xBR, DDT with improved performance
• Replaced scanlines filter with a rewritten GX/TEV powered one
• Significantly improved video rendering performance
• Rewritten audio code with a hysteretic dynamic-rate controller
• Refactored/improved synchronization and frameskip handling
• Significantly reduced input lag by moving input polling to exactly when Snes9x polls (at vblank) instead of after each frame
• Replaced C texture generation with optimized PPC ASM
• New blur effect when pausing a game
• Improved widescreen experience by removing the pillarbox (only letterboxed)
• Reworked save/load device and preferences logic
• Fixed crash when removing devices (eg: SD/USB)
• Fixed flashes/artifacts/colors when switching video modes
• Streamlined/enhanced build
• General performance enhancements
• Other general enhancements
• Compiled with latest devkitPPC/libogc2

[4.5.8 - April 13, 2026]

• Compiled with latest devkitPPC/libogc2

[4.5.7 - July 30, 2025]

• Added GC Loader support (mrysav)
• Compiled with latest devkitPPC/libogc2

[4.5.6 - May 18, 2025]

• Compiled with latest devkitPPC/libogc2
• Added support for the Mayflash MF105 adapter (thanks Tyler Sanders!)
• Improved PAL behaviour
• Added upstream SRAM/ExtHiROM fixes from Snes9x

[4.5.5 - March 30, 2024]

• Added 2xBR, 2xBR-lv1 and DDT video filters (Hyllian)
• Compiled with latest devkitPPC/libogc
• Added Swedish translation (IsakTheHacker)
• Updated translations

[4.5.4 - July 31, 2023]

• Compiled with latest devkitPPC/libogc
• Updated to newer Snes9x (bladeoner)
• Switch to chosen video mode on first load if not automatic
• Added frameskip option and added PAL 576p support (Tanooki16)
• Added SNES Hi-Res Mode ON/OFF and Sprite Limit ON/OFF (Tanooki16)
• Disabled peripheral devices by default if not selected in controller settings (Tanooki16)
• Added support for BML-format .cht files and text scrolling for cheat names (InfiniteBlueGX)
• Added a B/1 button press to cancel the button remapping prompt (InfiniteBlueGX)
• Fixed default game selection menu "jump" upon startup w/classic controller (InfiniteBlueGX)
• Fixed a crash when selecting Cancel after removing an SD/USB device and re-opening the app (InfiniteBlueGX)
• Added option to mute game audio (InfiniteBlueGX)
• Added 1+2+Plus menu toggle option for Wiimote (InfiniteBlueGX)
• Added new controller configuration options for the SNES Mouse (InfiniteBlueGX)
• Added option to choose which button/combo is used to toggle the menu (InfiniteBlueGX)
• Added option to remap the ABXY buttons to the right analog stick (InfiniteBlueGX)

[4.5.3 - June 15, 2022]

• Compiled with latest devkitPPC/libogc
• Updated to latest Snes9x (bladeoner)
• Added "Enable Turbo Mode" toggle to the Video Settings menu (based on InfiniteBlueGX's code)
• Updated translations
• Improved forwarder support
• Added ability to use "Original" render mode in 480p configurations (niuus)
• Added new speeds for Super FX overclocking (niuus)
• Added a toggle to hide/show the SRAM save button in the save menu UI (saulfabregwiivc)
• Added Scale2x video filter and rename Scanlines filter (thanks Tanooki16!)
• Adjusted scanline filter (Thanks Tanooki16!)

[4.5.2 - March 23, 2021]

• Added support for Mayflash PC044 2-port SNES USB adapter (thanks EthanArmbrust!)
• Added L+R+START for back to menu for Wii Classic Controller
• Updated French translation (thanks Tanooki16!)
• Fixed issue with displaying screenshots

[4.5.1 - February 6, 2021]

• Fixed SD2SP2 / SD gecko issues (again)

[4.5.0 - January 31, 2021]

• Fixed SD2SP2 issues
• Changed max game image dimensions to 640x480 to support screenshots
• Fixed .bs files not appearing

[4.4.9 - January 18, 2021]

• Compiled with latest devkitPPC/libogc
• Added ability to change the player mapped to a connected controller
• Corrected aspect ratio by changing viWidth to 644 (vaguerant)
• Significant memory usage reductions (fonts and loading cover images)
• Other minor fixes

[4.4.8 - June 29, 2020]

• Compiled with latest devkitPPC/libogc
• Fixed graphical glitches on GameCube port
• Translation updates
• Added Wii U vWii Channel, widescreen patch, and now reports console/CPU speed
• Upstream updates for Snes9x
• BS-X rom is now optional. If missing, will load directly into the game
• Other minor fixes

[4.4.7 - March 4, 2020]

• Fixed 3rd party controllers (again)
• Fixed GameCube version issues with SD2SP2

[4.4.6 - February 16, 2020]

• Fixed box art not working on GameCube
• Fixed some 3rd party controllers with invalid calibration data

[4.4.5 - February 1, 2020]

• Disable ROM information display by default
• Updates from Snes9x
• Added support for serial port 2 (SP2 / SD2SP2) on Gamecube
• Xbox 360/Hornet controller support
• Compiled with latest libraries

[4.4.4 - October 13, 2019]

• Added retrode support (thanks revvv!)
• Added L+R+START trigger to go back to emulator
• Added option to show local time
• Fixed buttons for all SNES peripherals (thanks niuus!)
• Fixed bg_preview image (thanks Tanooki16!)
• Fixed ZL button mapping for Wii U GamePad
• Fixed SuperFX2 Core Speed (Yoshi's Island was running too fast)
• Fixed Dragon Ball Z Hyper Dimension black screen
• Reduce compile time by unmacro Tile file

[4.4.3 - April 13, 2019]

• Game-specific fixes (Chou Aniki, Rendering Rangers R2, Tenshi no Uta, Circuit USA)
• Increased maximum cheats to 150
• Fixed BPS patch support
• Snes9x drawing optimization (3-4% speed boost)
• Updated to latest upstream Snes9x
• Updated spanish translation (thanks Psycho RFG)
• Fixed preview image not displaying on GameCube
• Added option to not append Auto to save filenames
• Fixed crash when used as wiiflow plugin
• Fixed crash on launch when using network shares
• Fixed issues with on-screen keyboard
• Updated Korean translation

[4.4.2 - January 25, 2019]

• Fixed Wii U GamePad support
• Added ability to load external fonts and activated Japanese/Korean translations. Simply put the ko.ttf or jp.ttf in the app directory
• Added ability to customize background music. Simply put a bg_music.ogg in the app directory
• Updated to latest upstream Snes9x
• Added speed hacks for Super Mario RPG and Kirby's Dreamland 3
• Added ability to change preview image source with + button (thanks Zalo!)

[4.4.1 - January 4, 2019]

• Fixed controllers with no analog sticks
• Fixed GameCube build

[4.4.0 - December 23, 2018]

• Updated core to 1.58
• Improved WiiFlow integration
• Added Wii U GamePad support (thanks Fix94!)
• Added setting to change sound interpolation
• Fixed mangled image when switching between HQ2x and scanlines filters
• Added BS-X BIOS loading
• Fixed Tengai Mekyou Zero black screen
• Fixed Chou Aniki black screen
• APU Hacks for 1.58 core to fix Earthworm Jim 2
• Adjusted SA1 settings to fix Super Mario RPG slowdowns with 1.58 core

[4.3.9 - August 24, 2018]

• Revert core completely back to Snes9x 1.52
• Rewritten audio handling
• Fix tinny audio issue when going from the game to the menu and back
• Fixed random in-game crashes
• Fixed sound issues from turbo mode

[4.3.8 - August 16, 2018]

• Partially update core to 1.56 (with less accurate but faster Blargg audio core)
• Improved audio synchronization with dynamic rate control - fixes audio crackles
• Memory optimizations to free up more MEM1 for Snes9x
• Disable multi pixel format support for a speed boost
• Add soft and sharp video filtering options
• Add MSU1 support (thanks qwertymodo!)
• Add BPS soft-patching support (thanks qwertymodo!)
• Allow loader to pass two arguments instead of three (libertyernie)
• Backport some MSU1 fixes from snes9x
• Fix a few potential crashes caused by the GUI
• Compiled with latest libOGC/devkitPPC
• Removed update check completely
• Compilation fixes for DevkitPPC/Gamecube/Linux

[4.3.7 - December 9, 2016]

• Hide saving dialog that pops up briefly when returning from a game

[4.3.6 - September 12, 2016]

• Added the delete save file (SRAM / Snapshot) option
• Changed the box colors for the SRAM and Snapshots files to match the color scheme of the emu GUI
• Change the "Power off Wii" exit option to completely turn off the wii, ignoring the WC24 settings
• Updated emulator credits
• Added an option to switch between screenshots, covers, or artworks images, with their respectively named folders inside /snes9xgx at the device's root. You can set which one to show, by going to Settings > Menu > Preview Image. The .PNG image file needs to have the same name as the ROM (e.g.: Contra III.png)

[4.3.5 - February 06, 2016]

• Added Fix94 wiiflow plugin mode
• Removed sound from GUI and now gets better perfomance/FPS on games like Yoshi's Island and Kirby Dream Land 3.

[4.3.4 - February 2, 2016]

• Fixed screenshot image dimensions
• Fixed screenshot option, it no longer creates an additional "dummy" file
• Fixed performance issues, reverted to previous vsync method
• Removed automatic download of newer versions by Burnt Lasagna.
• Compiled with devkitPPC r26 Note: If compiled with devkitPPC r27 some games, like Final Fantasy III and Chrono Trigger would crash on a battle

[4.3.3 - September 3, 2015 - July 7, 2015]

• Added Cebolleto's preview image support
• Added WiiUPro controller support
• Added a Scanline filter option
• Increase preview image size and reduce game list width
• Added a background to the preview image
• Added a Screenshot button
• Added a "WiiuPro" button on the button mapping menu
• Fixed the inverted color button selection that was in some option windows

[4.3.2 - November 9, 2012]

• Fixed lag with GameCube controllers

[4.3.1 - July 7, 2012]

• Fixed PAL support

[4.3.0 - July 6, 2012]

• Support for newer Wiimotes
• Fixed screen flicker when going back to menu
• Improved L/R buttons for GameCube - trigger button press when 50%+ depressed
• Improved controller behavior - allow two directions to be pressed simultaneously
• Timing changes
• Compiled with devkitPPC r26 and libogc 1.8.11

[4.2.9 - January 14, 2012]

• More accurate pixel scaling (thanks eke-eke!)
• Other minor changes

[4.2.8 - May 15, 2011]

• Ported a few upstream game fixes for: Mutant Chronicles - Doom Troopers, Porky Pig's Haunted Holiday, Big Sky Trooper, and Mechwarrior 3050 / Battle Tech 3050
• Added Turkish translation

[4.2.7 - March 23, 2011]

• Fixed browser regressions with stability and speed
• Reverted zones' changes to IRQ and SA-1 - these caused a performance hit

[4.2.6 - March 19, 2011]

• Improved game compatibility (updated core to latest Snes9x)
• Fixed issue with cheats not persisting
• Improved USB and controller compatibility (recompiled with latest libogc)
• Enabled SMB on GameCube (thanks Extrems!)
• Added Catalan translation
• Translation updates

[4.2.5 - October 7, 2010]

• Sync with upstream SVN - fixes a few specific game issues
• Fixed "blank listing" issue for SMB
• Improved USB compatibility and speed
• Added Portuguese and Brazilian Portuguese translations
• Other minor changes

[4.2.4 - August 14, 2010]

• IOS 202 support removed
• USB 2.0 support via IOS 58 added - requires that IOS58 be pre-installed
• DVD support via AHBPROT - requires latest HBC

[4.2.3 - July 22, 2010]

• Fixed broken auto-update

[4.2.2 - July 20, 2010]

• Reverted USB2 changes
• Fixed re