ASO SNK 1985 PINOUTS: +5V | A | 1 | +5V Coin | B | 2 | Coin | C | 3 | 1P Start | D | 4 | 2P Start 1P Up | E | 5 | 1P Down 1P Left | F | 6 | 1P Right | H | 7 | 1P Fire 1P Bomb | J | 8 | 2P Up | K | 9 | 2P Down 2P Left | L | 10| 2P Right | M | 11| 2P Fire 2P Bomb | N | 12| GND | P | 13| GND GND | R | 14| GND -5V | S | 15| -5V | T | 16| Csync | U | 17| Blue Green | V | 18| Red Speaker | W | 19| +12V | X | 20| +12V GND | Y | 21| GND GND | Z | 22| GND