Dual Mega Drive Controller Adapter for Commodore 64
Connect Sega Mega Drive/Genesis controllers—including modern 8BitDo wireless gamepads—to your Commodore 64. This adapter plugs directly into both C64 joystick ports and features a built-in toggle button to switch active ports instantly without unplugging cables.
Key Features
Dual Port Connection: Plugs into both C64 joystick ports simultaneously.
Instant Port Switching: Switch active gamepad control between ports with a simple button press.
Modern Compatibility: Fully supports standard Mega Drive controllers and modern wireless options like 8BitDo gamepads.
Customisable Jump Mapping: Internal jumpers allow you to configure a controller button to act as UP for platformer games that require pushing upward to jump.
Mega Switcher for Commodore 64
SAFETY & WIRING WARNINGS
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Power Off First: Never change or move internal jumpers while the computer is switched on. Doing so can cause permanent damage to your hardware. Always power off the C64 before adjusting jumpers.
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Avoid Overlapping Signals: Never configure multiple buttons or directions to perform the exact same action (e.g., if you jumper the B button to act as UP, you must remove the jumper enabling standard D-Pad UP).
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Jumper Rule: Ensure you only use one jumper per vertical or horizontal line. Recommendation: Use button C as your primary fire, and B as an alternate fire for titles supporting secondary fire buttons. Refer to the GitHub documentation layout if you are in doubt.
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