The following files are needed the Galaxian to Pacman pcb hack:

 GALAX7F.128   This is a 27128 EPROM image of the standard Galaxian
               ROM code for all the satellite board ROMs.

 PACMAN7F.128  This is a 27128 EPROM image of a modified Pacman 
               row six ROM code that will plug into position 7F on the 
               Galaxian pcb (in place of the satellite board).
 GALPAC7F.256  This is a 27256 EPROM image of both Galaxians and
               the modified Pacman that will plug into position 7F 
               on the Galaxian pcb (in place of the satellite board). 
               This can be used with a switch to change between 
               the two games.

 GALPAC1H.732  This is a modified position 5E Pacman ROM code that
               goes in the Galaxian pcb at location 1H as a 2732 EPROM.
 GALPAC1K.732  This is a modified position 5F Pacman ROM code that
               goes in the Galaxian pcb at location 1K as a 2732 EPROM.
