Are headers native to the ROMs after they are dumped or are they added by people and not supposed to exist at all as part of the dump?

> > formats/file extensions check fine with GoodSNES and used to fail in my
> ClrMame
>
> You need headerless romfiles for clrmamepro. Goodtools ignore headers,
> ClrMamePro doesn't.
>
> > unmodified. What a mess! Hopefully one day ClrMame will be able to fix all
> > these things in the future.
>
> It has nothing to do with ClrMamePro. You simply have to remove the headers from
> the mentioned files.
>