placeholder functions for the spyhunter bootleg / proto / low-cost board

i've asked around and the Spanish guy who owns Megaphoenix (by Dinamic) also has one of these as well as the 1942 (although no time to dump anything)
http://mamedev.emulab.it/haze/pics2013/spyhunter_alt.jpg is his PCB, it has even clearer Bally Midway license text on it.. there's got to be some story behind these, they were clearly aimed at the Spanish market.