[b112]

I wonder, as others have said, an easily OCRable font. However, maybe an added compressor, zip type program specially designed for the limited character set.

If we just have text files, and mayve vector graphics for simple schematics, that's a lot of info.

[ctrlc-root]

Those fonts do exist:

https://en.wikipedia.org/wiki/OCR-A

https://en.wikipedia.org/wiki/OCR-B