The Williams programmers around 77 -78 were let go around the time when Atari started their pinball division williams seen Atari had light show code in their pinball playfields in attract mode. the first programmers knew there were being let go and may have altered white rom 2 where there are two versions part # 9008 and 9008-1
9008-1 was only used in World cup which wont operate with 9008 correctly. there is a story where a programmer was holding finished code back until they were paid. around when Ugene Jarvis and Randy Pfeiffer came to Williams, the new way to adjust at coin switches "Green" Utility roms were created.