Zerk Zone

Pages for the Creations of Ryan Armstrong

Sega Genesis to Gameport Converter

Posted on January 1st, 2017 @ 1:43 pm by Zerker

Hurray, more hardware projects. This one is a bit esoteric, and probably won’t appeal to any but the most dedicated retro gamer.

But that’s OK with me.

It started when I was getting frustrated with the quality of gamepads available for DOS games. Analog Joysticks are easy, but quality gamepads are few and far between. I had two criteria for a gamepad:

  1. It had to have a good D-pad
  2. It had to support both 2 and 4 button games, with reasonable button arrangements for each

The ‘classic’ Gravis Gamepad passes on the second point with the 2 to 4 button switch, but fails quite dramatically on the first one. Most other gamepads I looked up mirrored the Gravis pad’s four button arrangement, but unfortunately this is absolutely terrible for 2-button games.

So I made an adaptor. I picked the Sega Genesis (3 button) gamepad as my source, because, if you count the start button, it has exactly four buttons. And I recently made my Genesis arcade stick, so I’d like to use that for DOS games too.
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