Interesting (looked it up thanks to your post). As a means of recompiling old code for newer systems that is a great solution.
Then, using that TV clone, they wrote a cross-platform clone of the original DOS Borland Pascal IDE - that even comes in the base FPC distribution. Works great in Linux console:
https://commons.wikimedia.org/wiki/File:FPIDE_1.0.10_de.png
And using VCL, they wrote a cross-platform clone of Delphi (circa version 3) IDE!