X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 1a - clock - read rtc alarm time and status (conv,ps30)

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INT 1A - CLOCK - READ RTC ALARM TIME AND STATUS (CONV,PS30)
        AH = 09h
Return: CH = hours in BCD
        CL = minutes in BCD
        DH = seconds in BCD
        DL = alarm status
            00h alarm not enabled
            01h alarm enabled but will not power up system
            02h alarm will power up system

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