The Master System uses a modified Atari 2600 pinout. No special components are needed.
Pin | Function |
---|---|
1 | Up |
2 | Down |
3 | Left |
4 | Right |
5 | +5v |
6 | Button I |
7 | TH |
8 | Ground |
9 | Button II |
Tiny numbers can be found on most DB9 connectors; they're small but they're there. Be careful not to wire things backwards!