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Int 31H Function 0003H

Get Selector Increment Value [0.9]

The DPMI functions Allocate LDT Descriptors (Int 31H Function 0000H) and Allocate DOS Memory Block (Int 31H Function 0100H) can allocate an array of contiguous descriptors, but only return a selector for the first descriptor. The value returned by this function can be used to calculate the selectors for subsequent descriptors in the array.

Call With

AX = 0003H

Returns

Carry flag = clear (this function always succeeds)
AX = selector increment value

Notes


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  Copyright © 1996   by DJ Delorie     Updated Apr 1996