Changes
/* Accessing the FDC 765 */
The Main Status Register (Port &FB7E) signalizes when the FDC is ready to send/receive the next byte through the Data Register.
The Data Register (Port &FB7F) is used to write Commands and Parameters, to read/write data bytes, and to receive result bytes. These three 3 operations are called Command-, Execution-, and Result-Phase.
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