DOS/32 Advanced DOS Extender - Programmer's Reference

3.60 - DOS function 0FF98h - DOS/32 Advanced Map Physical Memory


In: AX = 0FF98h
EBX = physical address of memory
ESI = size of region to map

if successful:
CF clear
EBX = linear address that can be used to access physical memory

if failed:
CF set


a) This call is specific to DOS/32 Advanced DOS Extender only, and is not supported by standard DOS.

b) This function is equivalent to DPMI function 0800h except that it uses 32-bit registers instead of 16:16-bit pair of registers.


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