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INT 21 - DOS 1+ - GET SYSTEM TIME
        AH = 2Ch
Return: CH = hour
        CL = minute
        DH = second
        DL = 1/100 seconds
Note:   on most systems, the resolution of the system clock is about 5/100sec,
          so returned times generally do not increment by 1
        on some systems, DL may always return 00h
SeeAlso: AH=2Dh,AH=E7h,INT 1A/AH=00h,INT 1A/AH=02h,INT 1A/AH=FEh

See Also: 212A
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