Somewhat disappointed. I was expecting them to use the well-known arbitrary code execution exploit in this game to load their own implementation of FizzBuzz, cf. https://www.youtube.com/watch?v=OPcV9uIY5i4
The method used by Masterjun3 is TAS-only (it involves executing the contents of the controller registers as code, which requires frame-precise inputs), but there are some other methods which are more viable for a real-time attack.
For example, this video https://www.youtube.com/watch?v=hB6eY73sLV0 by SethBling where he manually exploits SMW to rewrite some of its code and turn it into a Flappy Bird clone.
The jailbreak he did is neat, too. https://www.youtube.com/watch?v=Ixu8tn__91E
Remote code execution.
That has to be the most awesome hack I ever seen.
Arbitrary, not remote, but definitely really cool.
To be honest, this probably would have been a lot easier to implement as a UberASM script rather than a standalone patch, since you could just run it in the level you wanted to run it in, and without worrying about freespace or overwriting existing code:
https://www.smwcentral.net/?p=section&a=details&id=19982
But it's a neat idea nonetheless, and works well either way.
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