Revision 1 of "free play" ROMs for Mexico '86.

Patches installed to disable the coin meter check, allowing Setting 30
to be used to select Coin or Free Play. If Setting 30 is 0, then the
game works normally on Coin play. If setting 30 is 1, then the game
works on Free Play and will allow a game to be started even if Credits
is 0.

Checksum for MEXICO86.IC1: 0x8AA6
Checksum for MEXICO86.IC2: 0xF7FC
Serial Number: ZP01

David Gersic
http://www.zaccaria-pinball.com
14 March 2011
