.fs
files in the ROMS directory for the system in use, and are loaded automatically on next use.hiscore.dat
. This file is the same as that from http://highscore.mameworld.info/ (labeled 'old format hiscore.dat (pre mame v0174)'). It is located in:gamename.hi
files.neogeo.zip
. If you want to select a specific version, use the BIOS Core Option, however note that this setting applies per-game, rather than system-wide, like the Neo Geo mode setting.