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Table of Contents
4. Standard Units
4.28. DPMI - DOS Protected Mode Interface support unit
4.28.2. DPMI Unit Procedures and Functions
4.28.2.12. DosMemoryAlloc
4.28.2.12. DosMemoryAlloc
Targets: MS-DOS only
DPMI Unit
This function will allocate a block of memory from the DOS free memory pool.
It returns real mode only segment of allocated DOS memory block.
Declaration:
function DOSMemoryAlloc(SizeInBytes: DWord): Word;
Remarks:
Returns segment value if successful. Otherwise returns zero.
To get access to allocated DOS memory block you should multiply
the returned paragraph-segment by 16.
Example:
function MkDOSPointer (Segment: Word): Pointer;
begin
Result := DWord(Segment)*16;
end.
This function makes a protected mode pointer on a given segment
of allocated DOS memory block.
See also:
DosMemoryFree
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