Just map lower case to uppercase and replace any non alpha-num to a black square. This font is not for general use but just to squeeze text messages on tiny displays.
TBH, I see all this pretty useless. While still interesting enough.
I'd say it's probably actually useful if you want to cram a lot of debugging info on a display like this for a small IOT device or something in the field.
What it is readable for you, is not for me.
Just map lower case to uppercase and replace any non alpha-num to a black square. This font is not for general use but just to squeeze text messages on tiny displays.
TBH, I see all this pretty useless. While still interesting enough.