Compatibility: XMS 2.0+
Expects: AH    02H
                                                                  
Returns: AX    status: 0000H = successful
0001H = error and BL=XMS error code (if BL >= 80H)
                                                                  
Info: Releases control of the HMA  after a previous call to XMS 01H
(request HMA).

Applications which use the HMA must release it before
terminating.  Once released, any code or data in it is lost.

See Also: XMS Functions
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XMS 02H: Release High Memory Area