Mystic Marathon: EPROM mod to default to free play and ski..

Archived from groups: rec.games.video.arcade.collecting (More info?)

The battery holder on my MM is broken and I do not care to keep high
scores so I finally got tired of going behind the machine with a wire
and figuring out how to hit advance and add credits everytime I power
it up (rarely). So instead of doing the simple thing (soldering a
modern battery to the board), I decided to monkey with the code to
solve my problems! See here if you really want more details:

http://fmbbowen.com:39353/VideoGames/Index.htm