game (
        name parent
        description "parent"
        manufacturer "synth"
        year 2008
	rom ( name 04.rom size 4 crc32 d87f7e0c )
	rom ( name 08.rom size 8 crc32 3656897d )
)

game (
        name child
        description "child"
        manufacturer "synth"
        year 2008
	romof parent
	rom ( name 04.rom size 4 crc32 d87f7e0c )
	rom ( name 08.rom size 8 crc32 12345678 )
)
