Although the keyboard is a more conventional size than the original PET, it still retains the PET's quirky arrangement. Characters such as ", $, (, *, etc, which are normally shift characters, are typed directly on the PET. The shift key either produces Commodore's graphics set or lower-case characters, depending on a bit pattern set in the peripheral control register of the 6522 Versatile Interface Adaptor chip. Infuriatingly, the keyboard lacks a CONTROL key.
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