DOS/32 Advanced DOS Extender - Programmer's Reference
2.39 - DPMI function 0603h - Relock Real Mode Region
Relocks a memory region that was previously declared as pageable with the Mark Real Mode Region as Pageable function (DPMI function 0602h).
||AX = 0603h
BX:CX = starting linear address of memory to relock
SI:DI = size of region to relock (bytes)
AX = error code
8002h - invalid state (region already marked as pageable)
8013h - physical memory unavailable
8025h - invalid linear address (region is above 1MB boundary)
a) As DOS/32 Advanced does not support virtual memory this function is implemented for compatibility reasons only.
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