upcb Amiga Cable
Hi Folks,
today it’s time to make amiga upcb working.
In the original Document of neogeo.h the +5V at older Videogame Systems are defined at Pin 5 of the SUB-D 9 pin Connector, but for amiga it’s wrong: Here we can find it at Pin 7 of SUB-D 9 pin Connector.

Amiga
Pin Description
1 UP (brown) 2 Down (red) 3 Left (orange) 4 Right (yellow) 5 (green) 6 Button 1 (blue) 7 +5V (purple) 8 GND (grey) 9 Button 2 (black)
Sub D 15
Pin Description
1 8 (GND) grey
2
3
4 9 Button 2 (black)
5 6 Button 1 (blue)
6 4 Right (yellow)
7 2 Down (red)
8 5 (VCC 5V) (purple)
9 Low
10
11
12
13
14 3 (Left) orange 15 1 (Up) brown


If no Buttons are working. Try to press the 3 grey Buttons at powerup or Press the three green Buttons at powerup