Changes
/* U82536 CIO (equivalent to Zilog Z8536 CIO) */
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* Note: A8 is passed through an inverter, resulting in the above ''"B,C,Control,A'' " ordering (- this is done to map Port A to the same address as the CPC Printer Port) (without the inverter, CIO registers would have ''"C,B,A,Control'' " ordering).
On start-up, the KC compact programs the CIO to the following state:
