DOS Fn 2aH: Query DOS Date

                                                         Compatibility: 1.0+ 
 Expects: AH    2aH
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 Returns: CX    year (1980 to 2099)
          DH    month (1 to 12)
          DL    day (1 to 31)

          AL    day of the week (0=Sun, 1=Mon,...6=Sat)  DOS 1.1+
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    Info: Returns the current date as known to the system.

Versions: ■ DOS 2.x technical manuals do not guarantee the return of the
            day value in AL; however, all DOS versions after (1.0) do so.
          ■ DOS Versions prior to 2.1 had problems rolling-over the date.

See Also: Fn 2cH (get time)
          Fn 2bH (set date)
          DOS Functions
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