Playing Robotron

Just a quick update, as I couldn't stay away from the game room..

The Robotron cabinet was JAMMAtized and the control panel butchered when I bought it. I decided to hook up the existing joysticks to have a go at the game, just temporarily. 

Everything is working fine! It was a great (albeit difficult, I'll admit) experience to finally play some Robotron after all these years.

There were a couple of things which left me wondering, though. I'm quite sure I marked 1P START and 2P START correctly, but pressing the 1P button started the two player mode Maybe there was a misprint in the manual?

Also, 4 of the orange wires in the controls harness didn't lead to anything at all. I wonder if they are supposed to be extra ground wires, but they weren't connected to GND. I'll have a closer look next week.

The sound is still not working, as I haven't connected the wires to the PSU.