for this core is often considered the "gold standard" for users because every game file is completely standalone. Understanding the "Full Non-Merged" Set
The term "full nonmerged" was equally important. In the world of romsets, "merged" sets often combined multiple versions of a game into a single file. While this saved space, it could also lead to compatibility issues and make it difficult to find specific game variants. The "nonmerged" set, on the other hand, kept each game and its variants in separate files, ensuring that every classic was readily available and easy to access. mame 2003plus reference link full nonmerged romsets