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====== Int 21H, AH=2DH ======

===== Version =====

1 and higher

===== Brief =====

SET SYSTEM TIME

===== Family API =====


===== Input =====

        AH = 2Dh
        CH = hour
        CL = minute
        DH = second
        DL = 1/100 seconds

===== Return =====

 AL = result
            00h successful
            FFh invalid time, system time unchanged
===== Notes =====

DOS 3.3+ also sets CMOS clock; due to the limitations of the CLOCK$ driver interface, the CMOS date is also updated to the current DOS date

===== See also =====

AH=[[en:docs:dos:api:int21:2b|2Bh]],AH=[[en:docs:dos:api:int21:2c|2Ch]],INT 1A/AH=01h,INT 1A/AH=03h

===== Note =====

Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]]

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