I had heard about this bug, I think I saw it on Dave Plummer's YouTube channel[1]. I remember thinking at the time that I am surprised nobody has tried to decompile it and figure it out, looks like k4zmu2a did and couldn't find it. Now I have more questions about the original bug reports.
[1] https://www.youtube.com/channel/UCNzszbnvQeFzObW0ghk0Ckw