Metal Slug 6 Mame 0139u1 Rom Better (HOT)

. Standard ROMs from newer MAME versions (like 0.256+) will often fail due to checksum mismatches Essential Setup for Metal Slug 6

: This core is often faster and more compatible with arcade romsets than older MAME versions like 0.139u1 : The home ports on (Metal Slug Anthology), and metal slug 6 mame 0139u1 rom better