DOS/32 Advanced DOS Extender - Programmer's Reference

2.36 - DPMI function 0600h - Lock Linear Region

Locks the specified linear address range.


In: AX = 0600h
BX:CX = starting linear address of memory to lock
SI:DI = size of region to lock (bytes)

if successful:
CF clear

if function unsuccessful
CF set
AX = error code

8013h - physical memory unavailable
8017h - lock count exceeded
8025h - invalid linear address (unallocated pages)


a) As DOS/32 Advanced does not support virtual memory this function is implemented for compatibility reasons only.


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