INT 1A,9 - Read RTC Alarm Time and Status (convertible,PS/2)

AH = 09

on return:

CH = hours in BCD

CL = minutes in BCD

DH = seconds in BCD

DL = alarm status:

= 00 if alarm not enabled (AIE=0)

= 01 if alarm enabled but will not power up system (AIE=1)

= 02 if alarm will power up system (AIE=1)

- see ~RTC~