possible to use a ps2 in this?

[Yaka]

ok i know a joystick would be ideal but dont wana be buying one for this game, so ive been trying to make my ps2 pad worj with this but no jow as config screen for both choppers and planes dont reconise the thumb sticks.

im using the Soyo ps2 pad to usb convortor and it works fine with every other game