Int E0  R - Real/32 - "mc_max" - Cp-m/86 Allocate Maximum Memory           [O]

   CL = 35h
   DS:DX -> MCB (see #3695)

Return: AX = status
   may destroy SI,DI,DS???

See Also: INT E0/CL=39h

Format of REAL/32 MCB (Memory Control Block):
Offset Size    Description (Table 3695)
 00h   WORD    segment address of memory block
 02h   WORD    length of block in paragraphs
 04h   BYTE    reserved (0)