There are few problems which cannot be debugged with the healthy application of printf calls

@sir one is working with embedded systems that don’t have the ability to print out to a console.

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@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

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