. Because MAME is strict about version matching, using ROMs from a different version (e.g., 0.250) will often result in "missing file" errors. Google Play Step 1: Obtain the Correct ROM Set
If you need a , folder structure example , or comparison to other MAME versions (e.g., 0.139 vs 0.140), let me know. Mame 0.139u1 Roms Archive