Megadrive / Atari to Nintendo Adapter (Bliss-Box Bridge Universal Adapter)

How the Megadrive / Atari to Nintendo Adapter Works

The Bliss-Box Bridge Adapter uses a communication protocol called LLAPI(Low-Level API). LLAPI was originally developed for internal Bliss-Box products, but it is now fully open-source for the community. All modern Bliss-Box adapters support LLAPI, allowing the Bridge to read the controller’s raw data and translate it into the format required by the output device—acting just like a native controller.

Once connected, the Bridge communicates seamlessly between your Atari, Sega Master System, Mega Drive / Genesis and your Nintendo console. 

 

Supported DB9 Controllers

  • Sega Genesis / Mega Drive 3-button and 6-button controllers
  • Sega Master System controllers
  • Atari 2600 and 7800 joysticks
  • Commodore 64-compatible joysticks
  • Intellivision (and FB) and Coleco pads
  • Bally, Atari paddles, Atari TrackBalls
  • 3d0 pads and 3d0 analog sticks
  • Amiga CD32 pads
  • More support foudn on the  ( check compatibility list) 

 

Supported Bliss-Box Adapters


Supported Nintendo Consoles

  • Nintendo NES
  • Super Nintendo SNES
  • Nintendo 64 N64
  • Nintendo GameCube
  • Nintedo wii
  • Nintedo wiiU
  • Nintendo Switch
  • Nintendo Switch 2

Features

  • Wide peripheral support
    Works with keypads, paddles, joysticks, arcade sticks, and standard controllers.

  • Console-synced timing
    Latency remains tied to the original console’s timing for accurate input response.

  • Flexible controller mapping
    Pre-flashed and runtime mapping options available.

  • Full Bliss-Box feature set
    All LLAPI-enabled adapters unlock the complete range of Bliss-Box capabilities.

     

    Setup Guide

    1. Connect your Atari, Sega Master System, Mega Drive / Genesis controller to the Bliss-Box adapter using the DB9 cable.

    2. Plug the adapter’s USB output into the Bliss-Box Bridge.

    3. Ensure the Bridge firmware is flashed for the correct console mode:

      • wiiU / Switch firmware

      • retro Firmware for all others. 

    4. Connect the Bridge to your Nintendo console with the correct output cable.

    5. Your controller should now register as a native Nintendo  controller.

     

    Where to Buy

    You can purchase the Bliss-Box Bridge and compatible DB15 cable directly from our online store: Visit Bliss-Box.com. You will need both a Bridge and an Adapter that supports LLAPI. 

     

    Related Adapters

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    We use USPS to keep shipping costs as affordable as possible for our customers. However, due to recent changes, some international packages are no longer eligible for tracking once they leave the United States.To ensure better reliability and protection for both you and us, all international orders will now be shipped via USPS Priority Mail, which includes tracking and insurance.Please note that once a package is handed over to the postal service, any shipping issues such as delays, loss, or damage fall under the carrier’s responsibility, not the seller’s. Customers may file a claim directly with USPS for lost or damaged shipments.As a small business, we cannot issue refunds or replacements for issues beyond our control. This policy helps us remain fair, transparent, and sustainable while ensuring your order is securely shipped.

    Effective Date: September 2025

     

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