Hi, I'm using the new beta of this month. I downloaded the dat for romcenter from http://www.logiqx.com/Dats/MAMESuperSetSuppS/ and I did a new lad games from a data list on the file MAME SuperSet v0.120 (Split-merged MAME Supplement).dat. Then on load I get..
If I wanted to use the same renaming as CMPro would I then need the "MAME dat for ROMCenter" All i know about my set is that its split. And all I really need are my chd's renamed.
The MAME SuperSet is a datafile which contains ROMs other than just MAME (e.g. Nebula, Kawaks, etc). You have downloaded the supplement which is to be used in addition to a MAME set. The supplement doesn't contain any MAME ROMs (hence only 172 games in your case).
It sounds like you have completely the wrong datafile for your needs. You need the regular MAME one: