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Int 31H Function 0801H

Free Physical Address Mapping [1.0]

Releases a mapping of physical to linear addresses that was previously obtained with the Physical Address Mapping function (Int 31H Function 0800H).

Call With

AX = 0801H
BX:CX = linear address returned by physical address mapping call

Returns

if function successful
Carry flag = clear

if function unsuccessful
Carry flag = set
AX = error code
8025Hinvalid linear address

Notes


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  Copyright 1996   by DJ Delorie     Updated Apr 1996