> MAME doesn't support that kind of diff-feature. Yes, the diff-files are used to
> list all differences of two chd files, but MAME is only able to use the
> diff-file information to apply write-operations to the chd. There is no support
> to load game A, load diff-file, merge them at runtime to play game B.
> Currently diff-files are only used to:
> a) apply patches to existing chd files. (to that with chdman)
> b) emulate write-operations to chdfiles. The changes are kept in a diff-file and
> are merged at runtime.
>
> Roman Scherzer
> ClrMamePro
>


Cool - finally that point is clear. I was never sure.

Besten Dank ;-)

Cheers,

Emacs

Very funny Scotty...
now beam down my clothes !!