That's not 3d
Here is another video, this time with S-PACKAGE used to develop Nintendo 64.
https://www.youtube.com/watch?v=gV5obrYaogU
Which given the REPL capabilities, you can easily embedd them on it, just like the other video.
"Here's this new thing that can Ⓧ!" "Pfft, Y could do X years ago."
Well, Ⓧ ≠ X. Come on now, we're programmers here.