Function 57h Get for Set File Date and Time
entry AH 57h
AL 00h Get Date and Time
return CX date
01h Set Date and Time
CX time bits:
00h-04h 2 second increments (0-29)
DX date bits:
09h-0Fh year(relative to 1980)
return CF set if error
AX error code
note 1) The file must have been previously opened or created via a successful
call to Int21f3C,Int21f3D,Int21f5A or Int21f5B.
2) The date and time are in the format used in the directory, with bit 0
the rightmost, or least significant, bit. struc -Directory
3) If the 16-bit date for a file is set to zero, that file's date and time
are not displayed on directory listings.
4) A date and time set with this function will prevail, even if the file
is modified afterwards before the handle is closed.
|file: /Techref/INT/21f/57.htm, 1KB, , updated: 1999/4/26 11:31, local time: 2023/12/9 04:39,
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