Clearly, when I think about the hardest thing I ever coded, I have the following story in mind.
Back in 2002 I was writing a floppy disk driver for the little OS we were writing with a friend. It turned out finding anything else than very sparse documentation was really hard, plus for some unknown reason the floppy drive behavior seemed to be of non-deterministic nature. Maybe the fact that I was 15 didn't help.
At some point, after many nights spent on debugging it, it just worked. I still don't know why. I never changed any line of the code after that moment, by fear of breaking it.
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Clearly, when I think about the hardest thing I ever coded, I have the following story in mind.
Back in 2002 I was writing a floppy disk driver for the little OS we were writing with a friend. It turned out finding anything else than very sparse documentation was really hard, plus for some unknown reason the floppy drive behavior seemed to be of non-deterministic nature. Maybe the fact that I was 15 didn't help.
At some point, after many nights spent on debugging it, it just worked. I still don't know why. I never changed any line of the code after that moment, by fear of breaking it.