Int 15/AX=C209h

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SYSTEM - POINTING DEVICE BIOS INTERFACE - READ FROM POINTER PORT

AX = C209h

Return:
BL = first byte read from pointing device CL = second byte read DL = third byte read

Note: IBM classifies this function as optional

See Also: AX=C200h - AX=C208h

Category: Mouse/Pointing Device - Int 15h - S

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