Int 31/AX=0801h

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DPMI 1.0+ - FREE PHYSICAL ADDRESS MAPPING

AX = 0801h
BX:CX = linear address returned by AX=0800h

Return:
CF clear if successful CF set on error AX = error code (8025h) (see #03143)

Note: Should be called at end of access to device mapped with AX=0800h

See Also: AX=0508h - AX=0509h - AX=0800h - INT 21/AX=EB03

Category: DOS Extenders - Int 31h - D

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