Now I do have one of these, I bought it in the late 90's though...
Here's an actual video recorded on one. The youtube compression seems to have done a number on it though: https://www.youtube.com/watch?v=LFtX_WNOtOM
Here is a less compressed one. You could probably count the pixels on this one: https://www.youtube.com/watch?v=w41ayVqVwHM