Int 2F/AX=4A02h

DOS 5+ - ALLOCATE HMA SPACE

AX = 4A02h
BX = number of bytes

Return:
ES:DI -> start of allocated HMA block or FFFFh:FFFFh
BX = number of bytes actually allocated (rounded up to next paragraph
for DOS 5.0 and 6.0)

Notes: This call is not valid unless DOS is loaded in the HMA (DOS=HIGH). Called by Windows 3.1 DOSX.EXE. Supported by Novell DOS 7

See Also: AX=4A01h - AX=4A03h

Category: DOS Kernel - Int 2Fh - D

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