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Int 31H Function 0007H

Set Segment Base Address [0.9]

Sets the 32-bit linear base address field in the LDT descriptor for the specified segment.

Call With

AX = 0007H
BX = selector
CX:DX = 32-bit linear base address of segment

Returns

if function successful
Carry flag = clear

if function unsuccessful
Carry flag = set
AX = error code
8022Hinvalid selector
8025Hinvalid linear address (changing the base would cause the descriptor to reference a linear address range outside that allowed for DPMI clients)

Notes


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  Copyright 1996   by DJ Delorie     Updated Apr 1996