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Function 57h Get for Set File Date and Time

entry AH 57h

AL 00h Get Date and Time

BX handle

return CX date

DX time

01h Set Date and Time

BX handle

CX time bits:

0Bh-0Fh hours(0-23)

05h-0Ah minutes(0-59)

00h-04h 2 second increments (0-29)

DX date bits:

09h-0Fh year(relative to 1980)

05h-08h month(1-12)

00h-04h day(1-31)

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 12:31, local time: 2024/4/19 11:14,

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