When viewing an index of ROMs, you will encounter different ways the files are packaged. This often causes confusion for new users.
This is the most important thing to understand about MAME ROMs: ROMs are tied to specific versions of MAME. index of mame roms
MAME is an open-source project that is constantly updated. As the developers improve the emulation accuracy, they sometimes discover that the previous files (ROMs) were incorrect or incomplete. Consequently, they update the requirements for the ROMs. When viewing an index of ROMs, you will
Helpful Tip: Always check which version of MAME you have installed. If you download a "ROM set," ensure it matches your MAME version number (e.g., "MAME 0.250 ROM Set"). Helpful Tip: Always check which version of MAME
The main index is organized by parent ROM (the primary working version) and clones (regional variants, bootlegs, revisions).
Example from the parent/clone list: | Parent ROM | Game Title | Clone ROMs (Region/Version) | |------------|-----------------|--------------------------------| | pacman | Pac-Man | puckman (Japan), pacmanf (fast version) | | sf2 | Street Fighter II: The World Warrior | sf2j (Japan), sf2u (USA), sf2e (Europe) | | mk | Mortal Kombat | mkla3 (v3.0), mkla4 (v4.0) |