INT 16 U - APCAL v3.20 - GET ???                                                
	AX = D724h
	CX = 00CBh
Return: AX = 0000h
	BX = 0000h
	DX:CX -> ??? or 0000h:0000h
Program: APCAL is an optionally-resident shareware appointment calendar by
	  Gamma Software
SeeAlso: AX=3577h,AX=D724h/CX=00CCh,AX=D724h/CX=00CDh