Is there a way to play co-op Netplay?

[HenrikoMagnifico]

The title is a bit misleading, what I mean to ask is exactly:

• Is there a way for me and a friend (or multiple) to play a single player game together via Netplay? With this, I mean that we all control a single controller port - so that one player per say, can control the sword of Link and one can control the running?
  

This is a feature that would make Dolphin Emulator so much more fun for me and my friends, since we are all into single player games but can't play them together if we're not at each others house or something.

Thanks in advance, ~Henriko