Genesis/SMS/Atari controller to Wii/Gamecube adapter (v2)

An adapter cable for using a Genesis, SMS or Atari-compatible controller on a Wii or Gamecube.

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  •  This product
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  •  Packaging
  •  Supports SMS controllers
  •  Supports 3 buttons controllers
  •  Supports 6 buttons controllers


With this adapter, you can use a Genesis, SMS or Atari-style controller or joystick on a Wii/Gamecube. Ideal for Wii virtual console games!

New, more compact version! (Functionality is unchanged)

  • Supports Genesis controllers, 3 or 6 buttons (and compatibles)
  • Support Sega Master System (SMS) controllers (and compatibles)
  • Supports Atari-style one-button controllers
  • Cable length: 1.5m. (approx.)
The button mappings are fixed and depend on the type of controller. See below for a table showing button mapping information.

Important: Requires a Wii with Gamecube ports.
Note: The type of controller is auto-detected when the adapter powers-up.


Buy here

Out of stock

We should have a new batch in November or December 2021.

Item #ADAP-DB9-WII_v2
DescriptionGenesis/SMS/Atari controller to GC/Wii adapter (v2)

We normally ship within 5 days (excluding week-ends and holidays) after payment.
Prices are in US dollars.

Button mappings

The adapter emulates a Gamecube compatible controller. The button mapping is as follows:
GC/WiiGenesisSMS Atari-style
B A 1
A B 2 Fire
Start Start
Dpad Dpad Dpad Dpad/stick
Z Mode

Important: Requires a Wii with Gamecube ports.
Note: The type of controller is auto-detected when the adapter powers-up.

Compatibility list

IMPORTANT: This is not a complete list. If something does not appear here, it simply means that we did not get the chance (or the idea) to test it, or that no one let us know that it works.

Help us improve this page by sending test results by email to

Tested Controllers

Show list...
ModelTested bySupportedComments
Sega 3 Button model 1650raphnet.Yes
Sega 6 Button models MK-1470, MK-1653raphnet.Yes
Sega SMS 2 Button model 3020raphnet.Yes
Asciiware fighter stick SG-6raphnet.Yes
Speedlink Competition Pro SL-6602-SERraphnet.Yes
Retro-bit Genesis 6-ButtonUserPartialFunctions as a 3-Button controller

Supported Wii games

Show list...
Game/softwareTested bySupportedComments
Nintendo Virtual Console title: Comix zoneraphnet.Yes
Homebrew channelraphnet.Yes
Snes9xGX 4.3.2, 4.3.7raphnet.Yes
Genesis Plus GX 1.7.4, 1.7.5raphnet.Yes
FCE Ultra GX 3.3.4, 3.3.9raphnet.Yes
Visual Boy Advance GX 2.3.6raphnet.Yes
Not64 2016-12-09raphnet.PartialUsefulness limited due to missing buttons and analog axes...

Related products

Product photo

An adapter for using a Genesis/Megadrive or SMS controller as a classic controller conntected to a Wiimote.