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Category Archives: Software

Computerhistorie: Selvbiografi fra manden, der lavede det første PC-styresystem


“Using the simulator, I developed all of the CP/M operating system in PL/M using a minicomputer. Just like the early days of the i4004, I used no hardware. But, by using the simulation, I knew that CP/M worked. I just couldn’t figure out how to make that damn disk drive work. I even made a …

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