A "dat" (datafile) is an XML file used by ROM managers like ClrMamePro or Romulus to organize, rename, and rebuild ROM sets. Cylum became legendary for producing a specific, unofficial datfile and accompanying release known simply as "Cylum's SNES Set."
It separates games into distinct folders (e.g., USA, Europe, Japan), making it easier to build a localized library for devices like RetroPie . cylums snes rom set 2014 top
: The original release typically includes a text file (often styled as "Cylum's SNES Collection.txt") that acts as a manifest or documentation for the set. A "dat" (datafile) is an XML file used