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  • (Score: 2) by mcgrew on Friday October 13 2023, @06:03PM

    by mcgrew (701) <publish@mcgrewbooks.com> on Friday October 13 2023, @06:03PM (#1328747) Homepage Journal

    The OS was in a ROM. It was pretty slow, so the second OS I used was none at all, Z-80 machine code hand-assembled from assembly language. A full two player battle tanks game in less than 200 bytes. And it was too fast (4kHz CPU, today's are measured in gHz) to play, I had to add loops to slow it down.

    If you can program in BASIC, learning assembly is easy.

    --
    mcgrewbooks.com mcgrew.info nooze.org
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