In case you haven't heard the news, we've ran arbitrary code in the Famicom Disk System release of Super Mario Bros. It was a lot of fun helping with the research for this. www.youtube.com/watch?v=oFLT...

I made a video about off-screen stuff on the NES! www.youtube.com/watch?v=872v...

I made a series of NES accuracy tests and then ran them on all of Nintendo's official NES emulators. www.youtube.com/watch?v=oYjY...

My favorite optimization problem has to be completing video games, and this time I intentionally went too far. Here's Super Mario Bros. 3 completed in five microseconds, through the power of moving NES cartridges at multiple hundreds of thousands of miles per hour. www.youtube.com/watch?v=pK7h...