INT 1A - AT&T 6300 - SET TIME AND DATE
AH = FFh
BX = day count (0 = Jan 1, 1984)
CH = hour
CL = minute
DH = second
DL = hundredths
Return: ???
SeeAlso: INT 21/AH=2Bh,INT 21/AH=2Dh

See also: 1AFE

1AFF - AT&T 6300 - SET TIME AND DATE