Version 0.188 still largely maintained the traditional split/merged/non-merged ROM structures that advanced users were familiar with. Shortly after this version, MAME began aggressively integrating software lists (for consoles, computers, and handhelds) more deeply into the core, changing how parent/clone relationships were handled.
How to Install MAME ROMs, BIOs, CHDs, and More ROM-Related Tips! mame 0188 romset
