I've uploaded 20 minutes of the Xemu/Xenu section from the longer 90 minute lecture on "Assists." The Xemu/Xenu topic comes up about 44 minutes into the whole lecture. You can skip directly to that section here:
Part 1 - clickable link: – approx. 6 minutes
Part 2 - clickable link: – approx. 6 minutes
Part 3 - clickable link: – approx. 6 minutes