MAME is version-sensitive. To use 0.139 ROMs without errors, you must use an emulator that expects them. Use MAME4droid (0.139u1) . PC/RetroArch: Use the mame2010 core.
However, later, more complex games, particularly those requiring CHD files, run better or are more accurately emulated in modern MAME. Some games may not work at all in 0.139 due to incomplete driver emulation. For example, an on-forum discussion noted that a user upgrading from MAME 0.139 to 0.238 was not just fixing small bugs but gaining support for entire game systems and drivers that had been developed in the intervening 99 versions. The 0.139 set is a time capsule; modern MAME includes countless improvements, bug fixes, and support for newly dumped games that simply are not present in a set from 2010. -FULL- Roms MAME 0.139 Full Arcade Set Roms
If you find a listing for that includes CHDs, the size explodes. MAME is version-sensitive
How to Install MAME ROMs, BIOs, CHDs, and More ROM-Related Tips! PC/RetroArch: Use the mame2010 core
When looking for a "-FULL- Roms MAME 0.139 Full Arcade Set", you will often see terms describing how the files are organized. Choosing the right style changes how you manage your storage space. Merged Sets
A full ROM set includes not only the games themselves but also crucial additional files: