> > ClrmamePro uses the crc32 values directly from the good*.exe. The only
> > difference is that goodtools skip headers before they calculate the checksum,
> > while cmpro calculate the hashes on the full file. The given checksums are
> > always for the pure romdata without any header information. So you have to
> > remove possible header if you want to get correct crc32 values.
>
> I see thanks for clearing that up. Do you know if there are any universal tools
> out there for removing header info from all, or many, of the different GoodTools
> rom formats?
>

ucon64.sf.net, (ab)use it

it's command line only tho