INT 1A - AT&TAmerican Telephone and Telegraph 6300 - READ TIME AND DATE
	AH = FEh
Return: BX = day count (0 = Jan 1, 1984)
	CH = hour
	CL = minute
	DH = second
	DL = hundredths
SeeAlso: AX=CCCCh/BX=CCCCh,AH=FFh"AT&TAmerican Telephone and Telegraph",INT 21/AH=2Ah,INT 21/AH=2Ch