DOS Fn 2bH: Set DOS Date
Compatibility: 1.0+
Expects: AH 2bH
CX year (1980 to 2099)
DH month (1 to 12)
DL day (1 to 31)
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Returns: AL 0 if date was valid
0ffH if date was invalid (30 day values hath September...)
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Info: Sets the DOS system date. The system time is not changed.
Versions: ■ DOS 3.3+ On AT and PS/2 systems, this also sets the date in
the battery-backed CMOS memory.
See Also: Fn 2cH (set time)
Fn 2aH (set date)
DOS Functions
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