INT 2F - DOS 5+ - QUERY FREE HMAsee High Memory Area SPACE AX = 4A01h Return: BX = number of bytes available in HMAsee High Memory Area (0000h if DOS not using HMAsee High Memory Area) ES:DI -> start of available HMAsee High Memory Area area (FFFFh:FFFFh if not using HMAsee High Memory Area) Notes: called by Windows 3.1 DOSX.EXE supported by Novell DOS 7 SeeAlso: AX=4310h,AX=4A02h