Int 1A Fn 02  - Time - Get Real-time Clock Time (at,xt286,ps)              [B]

   AH = 02h

Return: CF clear if successful
       CH = hour (BCD)
       CL = minutes (BCD)
       DH = seconds (BCD)
       DL = daylight savings flag (00h standard time, 01h daylight time)
   CF set on error (i.e. clock not running or in middle of update)

See Also: AH=00h