> Does not report that the bios in cbtime.zip are unneeded (Good.)
> Does report that cbdash is missing the bios files, even though the files are in
> decocass.zip (Bad.)

"Allow not-separted biosroms" is more a "force not-separated biosroms". If the option is enabled, the biosroms are part of each set (which uses such biosfiles) and so it complains if the sets do miss the biosroms....no matter if the separated biosset is available or not.

Roman Scherzer
ClrMamePro