Only my RNGs (and at times my events). I can't do it myself, so in the interest of efficiency I only get the RNGs (especially stuff like the legendaties). IIRC I gave you my event Raikou, which was not cloned. Was there another one you wanted to ask about?
Assuming you're in an NPC-free area, it should be correct. I've noticed some inconsistencies with the older version, but the difference between target frame and starting frame is most often the same. If you got NPCs, do a test to see how far it was advanced.
You know how you walk through a doorway and the screen goes blank for a second? Well any NPCs between you a doorways like that will be able to affect it (case in point: you might be at Route 3 for an egg but the NPCs in Striaton City will still screw it up). Best thing to do is to be swift and consistant, like with eggs.