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DevelopmentSega Master System / Mark III / Game Gear |
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The port is a standard DE-9 (commonly mis-titled "DB9") male connector, accepting a female controller plug. Viewed from the front of the port:
1 5 o o o o o o o o o 6 9
Pin functions:
Pin number | Function |
---|---|
1 | Up |
2 | Down |
3 | Left |
4 | Right |
5 | VCC |
6 | TL |
7 | TH (Gnd on Mark III) |
8 | Gnd |
9 | TR |
The use of these pins depends on the peripheral being used.