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    Commodore PET (1977)

    Sep 05, 2022 5 minutes

    This month, we cover a historic pillar of personal computing. Alongside the Apple II and Tandy TRS-80, the Commodore PET is one of three major computers (aka The Holy Trinity) that are credited with starting the home computing revolution, and its architecture would later underpin Commodore’s most popular machines. As you might expect, the PET is full of quirks and can present some technical headaches to a modern user, so after taking you on a brief history tour that goes all the way back to the mid-1970s, allow us to guide you through emulating the Commodore PET.

    Development and launch

    The PET’s story begins in 1976. In an attempt to match rival Texas Instruments, which was making its own processors, Commodore acquired chip manufacturer MOS Technology – maker of the now famous 6502 CPU. Commodore had a presence in the

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