Firepower © 1980 Williams.
Williams System 6
Main CPU : M6808 (@ 895 KHz)
Sound CPU : M6808 (@ 894.750 KHz)
Sound chips : DAC, HC55516
Released in March 1980. This game was the first electronic multiball game, as well as the first game to feature 'Lane Change'.
17,410 units were produced.
1. Firepower (1980)
2. Firepower II (1983)
Designer : Steve Ritchie
Artwork : Constantino Mitchell
Software & Sounds : Eugene Jarvis
Mechanics : John Jung
CONSOLES:
Nintendo Wii (2008) "Pinball Hall of Fame: The Williams Collection"
Sony PlayStation 2 (2008) "Pinball Hall of Fame: The Williams Collection"
Sony PlayStation Portable (2008) "Pinball Hall of Fame: The Williams Collection"
OTHERS:
Google Play (2013) "The Pinball Arcade"
Game's ROM.
Collector's Guide to Vintage Coin Machines - Richard M. Bueschel - Page 109