INT 50 - PCIBM PC Thuis Organizer Shell - GET MEMORY HANDLE
	AX = 0015h
	BL = handle size
	    00h 65536 bytes (64K)
	    01h 65535 bytes (64K-1)
	    02h 32768 bytes (32K)
	    03h 32767 bytes (32K-1)
Return: AX = segment
Program: The PCIBM PC Thuis Organizer Shell was written by John Vanderaart and
	  published in the June/July 1990 issue of PCIBM PC Thuis Power magazine
SeeAlso: INT 21/AH=48h