Int 31/AX=FF1Dh

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CauseWay - UnLockMem - UNLOCK REGION OF MEMORY

AX = FF1Dh
BX:CX = starting linear address
SI:DI = size of region in bytes

Return:
CF clear if successful CF set on error

Desc: Allow memory to be swapped out by the virtual memory manager

Note: Locks are applied on 4K page boundaries, so memory above and below the specified region may be unlocked as well

See Also: AX=FF1Bh - AX=FF1Eh

Category: DOS Extenders - Int 31h - C

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