INT 67 - MICEMM v4D, RM386 - GET ADDRESS MAP
        AX = 5BF1h
        ES:BX -> 256-byte (MICEMM) or 512-byte (RM386) buffer for memory types
Return: AH = 00h
        ES:BX buffer filled
Note:   each byte in the buffer specifies the type of a 4K page of memory
SeeAlso: AX=5BE0h,AX=5BF0h

Values for memory type:
 00h    unused (MICEMM), RAM/available (RM386)
 02h    DOS extension (XMS UMB)
 04h    shadowed ROM
 08h    mappable EMS
 10h    page frame
 20h    ROM
 40h    reserved (video memory, etc)
 80h    RAM (MICEMM), Windows UMB (RM386)

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