WasabiDS

WasabiDS
General
Author	Fredrik Ahlström (FluBBa)
Type	Handheld
Version	0.2.5
License	Mixed
Last Updated	2026/01/07
Links
Download
Website
Source

Wasabi is a Watara/QuickShot Supervision emulator for the Nintendo DS. Ported from the GBA version.

Installation

Create a folder named wasabi in either the root of your flash card or in the data folder. This is where settings and save files end up.

Now put game files into a folder where you have (Supervision) roms.

Depending on your flashcart you might have to DLDI patch the emulator.

User guide

Menu

File:

• Load Game - Select a game to load.
• Load State - Load a previously saved state of the currently running game.
• Save State - Save a state of the currently running game.
• Save Settings - Save the current settings.
• Eject Game - Eject the cartridge from the console.
• Reset Console - Reset the currently running game.

Options

Controller:

• Autofire - Select if you want autofire.
• Swap A/B - Swap which NDS button is mapped to which SV button.

Display:

• Gamma - Lets you change the gamma ("brightness").
• Contrast - Change palette contrast.
• Palette - Here you can select between different palettes.
• Border - What to show outside the SV screen.

Machine Settings:

• Machine - Select the emulated machine.

Settings:

• Speed - Switch between speed modes (Normal, 200%, 50% or Max).
• Allow Refresh Change - Allow the Supervision to change NDS refresh rate.
• Autoload State - Toggle Savestate autoloading.Automagically load the savestate associated with the selected game.
• Autosave Settings - This will save settings when leaving menu if any changes are made.
• Autopause Game - Toggle if the game should pause when opening the menu.
• Powersave 2nd Screen - If graphics/light should be turned off for the GUI screen when menu is not active.
• Emulator on Bottom: Select if top or bottom screen should be used for emulator, when menu is active emulator screen is allways on top.
• Autosleep - Doesn't work.

Debug:

• Debug Output - Show FPS and logged text.
• Step Frame - Emulate one frame.

Controls

L+R or Touchscreen - Open menu

Menu:

D-Pad or Touchscreen - Navigate menus

A or Double tap - Select an option

B or Top of the screen - Go back a step

L/R or Touchscreen - Select between the tabs

Supervision:

A/B - SV A/B

Start - SV Start

Select - SV Select

D-Pad - SV D-Pad

Screenshots

Changelog

V0.2.5 2026/01/07

• Fixed sound pitch of the two square waves.
• Fixed amplitude of audio DMA channel.
• Fixed noise calculation.
• Fixed TVLink background.
• Updated cpu core.
• Broke save states compatibility.

V0.2.4 2024/04/10

• Just a maintenance release to sync up with GBA version.

V0.2.2 2022/10/06

• Added new debug menu.
• Better menu traversing.

V0.2.1 2022/09/26

• Added mapping of X & Y as Start and Select.
• Added Frame stepping.

V0.2.0 2022/09/17

• First release for Nintendo DS.

V0.1.1 2022/08/24

• Started port to Nintendo DS & devkitPro.

V0.1.0 2004/11/30

• First release: cpu, vram emulated.
• Probably the last release as well.

Credits

Huge thanks to Loopy for the incredible PocketNES, without it this emu would probably never have been made.

Thanks to:

• Peter Trauner & Kevin Horton for docs about the Supervision.
• Osman Celimli for docs, tests & help about the Supervision.

External links

• GitHub - http://www.github.com/FluBBaOfWard
• GBAtemp - https://gbatemp.net/threads/wasabids-a-watara-supervision-emulator-for-nds.618994/