I just checked the current version in the patches section, they removed the default code. :( Although looking at my own submissions archive, it was rather something else (LevelASM v1.4):
Q: Any example code?
A: Enter level 105. Mario should not be able to move every 3 seconds on the timer.
(Although I did find the INC $19 code in UberASM Tool
I also created the "rank" by screenshotting Mario frame by frame in an emulator and manually cutting all 256 screenshots to size. I then sent the frames over to dotsarecool to put the gif together. It was a very tedious process but I'm still amused by the gif to this day.
. I could post stuff now and then