There are few problems which cannot be debugged with the healthy application of printf calls
@sir that’s how I was eventually able to do it. At some point I’ll memorize morse code so I can output text that way, but that day is not today.
@gbear605 I once was writing the display driver for KnightOS's TI-84+ CSE port and had to blink the backlight to extract debug info
@gbear605 in any case, I consider this a form of printf debugging. printf is a spectrum
@gbear605 can you blink an LED