An alternate way to do game select is to do a menu like the latter-era games:
Wraparound ON OFF 1 bit
Players 1 2 1 bit
Environment Select 4 bits
Missiles ON OFF 1 bit
Turnback ON OFF 1 bit
You'd use the paddle to select the option, paddle trigger to commit.
Since you aren't going to have to show digits for game select, it doesn't
have to be stored BCD.
So that's 8 bits for the menu, plus the speed difficulty switches.
Speed (difficulty switches to allow individual handicapping)
Wouldn't this take up less RAM than a game matrix?
Glenn Saunders - Producer - Cyberpunks Entertainment
Personal homepage: http://www.geocities.com/Hollywood/1698
Cyberpunks Entertainment: http://cyberpunks.uni.cc
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