Rollback Set
The Rollback Set is used to create older sets of files for previous versions of MAME and HBMAME.
The Rollback torrents released currently are:
- MAME 0.xxx Rollback ROMs
- MAME 0.xxx Rollback CHDs
- HBMAME 0.xxx Rollback ROMs
- HBMAME 0.xxx Rollback CHDs
Read Old MAME Set for more information.