SuperPut you call once, and install it.
After that you just use the regular PUT, although the different PUT modes are different now, PSET, XOR, OR and AND mean different things, look in the SuperPut function to see what they do.
SetVideoSeg is used to set the videosegment that QB should use it's graphics commands on.
Again, look ath the example that is provided, it tells you everything you need to know.