Simple adapter that transforms a NeoGeo controller into a USB controller.
NeoGeo controller connector is a DB15. NeoGeo controller only has four (4) buttons (A, B, C, D). The D button is connected to pins 9 and 4, but the console only cheks for pin 4. Pins 10 and 2 are not connected.
Some superguns uses a DB15 for the controller with a compatible pinout. These superguns are using the non-connected pins to support games with more than four buttons, like capcom games using the kick-harness.
| pin | function | comment |
|---|---|---|
| 1 | +5V | |
| 2 | Down | |
| 3 | Right | |
| 4 | B button | |
| 5 | D button | |
| 6 | Select | |
| 7 | NC/Kick1 | Not connected on NeoGeo, used for kick in superguns. |
| 8 | GND | |
| 9 | Up | |
| 10 | Left | |
| 11 | A button | |
| 12 | C button | |
| 13 | Start | |
| 14 | NC/Kick3 | Not connected on NeoGeo, used for kick in superguns. |
| 15 | D button/Kick2 | Not read by console, used for kick in superguns. |
| IO | DB-Pin | button |
|---|---|---|
| PB0 | 4 | B |
| PB1 | 12 | C |
| PB2 | 5 | D |
| PB3 | 6 | Select |
| PB4 | 13 | Start |
| PB5 | 7 | Kick_1 |
| PB6 | 14 | Kick_3 |
| PB7 | 15 | D/Kick_2 |
| PC2 | 11 | A |
| PD0 | 10 | Left |
| PD1 | 9 | Up |
| PD2 | - | - |
| PD3 | - | - |
| PD4 | 2 | Down |
| PD5 | 3 | Right |
| PD6 | - | - |
| PD7 | - | - |