Most users only want to play a fraction of the "Full Set." A filtering tool should allow you to:
A "Full ROM Set" for version 0.240 means you are getting every single ROM file (game dump), CHD file (hard disk/laserdisc images), and BIOS file that this specific version of MAME expects. Nothing more, nothing less. mame 0.240 full rom set
Many clones contain unique hardware revisions or fixed graphics. Plus, a split set relies on parent ROMs. Deleting a parent breaks all its children. Most users only want to play a fraction of the "Full Set
Then open mame.ini . Find the line rompath and change it to: CHD file (hard disk/laserdisc images)
Continued refinement of the CD-i emulation for improved performance, along with fixes for various Taito B games.