> 1. Place a copy of area51a.chd in the a51r3k folder - only downside is the extra
> 530MB of space used.

yep...that's the clean way of keeping the sets in a real splitmerged way ;)


> 2. Place area51a.chd in the parent set area51 folder alongside area51.chd. Then
> both area51a and a51r3k will pick up area51a.chd out of the parent folder. This
> sound like a sensible compromise.

Yep..it's like using fullmerged sets.


> 3. Keep area51a.chd in a pure rompath - is this like placing area51a.chd in the
> roms directory? The only downside here is that it becomes unclear which
> romset(s) that file belongs to.

Correct....but mame supports it for quiet a long time now.


Roman Scherzer
ClrMamePro