Sorry for the delay in replying. The only other thing in my 'fba' folder is another folder called 'fbneo' which has a file called galaxian.hi (high score I presume) along with other games with .hi extensions. Some files in there have an .fs extension, Galaxian doesn't have an .fs file here though.
Nothing at all now in the 'fba' folder as my games are now in 'mame-libretro'. No other files in 'mame-libretro' other than the rom zips.
Hmm....