I think I've seen a fair few threads on implementing 4th gen features on the pokecommunity romhacking section. Pretty sure Physical/Special split is in there.
Also, on the Legendaries topic, I think legendaries should only be accessible post-Elite four. The first time I played through Ruby I would have gotten stuck at the 8th gym if I had never got Groudon. As it was, I ended up breezing through the 8th gym and most of the Elite Four.
Also, on the Legendaries topic, I think legendaries should only be accessible post-Elite four. The first time I played through Ruby I would have gotten stuck at the 8th gym if I had never got Groudon. As it was, I ended up breezing through the 8th gym and most of the Elite Four.