INT 33H 001bH: Query Mouse Sensitivity

 Expects: AX    001bH
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 Returns: BX    horizontal speed, in mickeys-per-pixel
          CX    vertical speed, in mickeys-per-pixel
          DX    speed-doubling threshold, in mickeys-per-second
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    Info: This obtains the current mouse motion-to-pointer motion
          variables.  See INT 33H 000fH and INT 33H 0013H for details.

          You may use this function, tweak one or more variables, then call
          INT 33H 001aH to install the modifications.

See Also: INT 33H: Mouse Support
          Interrupts and BIOS Services
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