Raiden III, 2 Player?

[Hyperspinner5000]

Just currently moving through setting up Taito Type X and after a bit of faffing with the control system (did anyone else notice that some of the pad-configs or controller configs dont allow arrow keys or number keys, some did, some didnt. I thought it was odd but worked around it anyway with a combination of joy2key and some rocketlauncher fiddly aboutery).

Anyway, I have come to setting up Raiden 3 which is clearly a 2 player game and yet no matter what I do I cant seem to get player 2 inputs to be recognised. Im wondering if anyone else has this issue (like its the game itself and no one really bothers setting that up). After trying many different things and doing a bit of searching the only thing I can come up with is perhaps some of the controller config programs just dont like the xin mo. For clarification, the xin mo is an arcade controller board which sees one controller as two, so i thought that might be something to do with it. Like the game is just saying "I can see one controller so thats player one, but all these extra buttons, I dont know", or something like that.

Note that I have had previous sucess setting up 2 player titles like Battle Fantasia (also a Taito Type X system with a "pad config" style set up).