DOS/32 Advanced DOS Extender - Programmer's Reference

3.53 - DOS function 0FF91h - DOS/32 Advanced Allocate High Memory Block


In: AX = 0FF91h
EBX = size of memory block in bytes

if successful:
CF clear
EBX = linear address of allocated memory block
ESI = handle of allocated memory block

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 equal to DPMI function 0501h except that it uses 32-bit registers instead of 16:16-bit pair of registers.


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