Function 2Bh Set Date
set current system date
entry AH 2Bh
CX year (1980-2099)
DH month (1-12)
DL day (1-31)
return AL 00h no error (valid date)
0FFh invalid date specified
note 1) On entry, CX:DX must have a valid date in the same format as returned
by function call 2Ah
2) DOS 3.3 also sets CMOS clock
file: /Techref/INT/21f/2b.htm, 0KB, , updated: 1999/2/20 10:26, local time: 2024/12/17 20:57,
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
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