AH = 0Dh: Set Future Power-On Alarm

This function is identical to Function 08h except that the alarm may be set at any date in the future.

• Input: AH = 0Dh
  AL = Year in BCD
  BH = Month in BCD
  BL = Day in BCD
  CH = Hours in BCD
  CL = Minutes in BCD
  DH = Seconds in BCD
  DL = Century in BCD

• Output: AH = 00h
• Error conditions: Carry Set iff alarm inputs invalid, an alarm is already set, or RTC data is invalid
• Registers modified: AX, STATUS