INT 33H 0020H: Reenable Mouse Driver

 Expects: AX    0020H
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 Returns: none
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    Info: This reestablishes the connection between the mouse hardware and
          the mouse support.  It re-installs all interrupts that were
          removed via a previous call to INT 33H 001fH.

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