Re: Calendar Info Needed
What is the addresses of the BIOS date/time?
Can I use Peek() to get the data?
> -----Original Message-----
> From: Carl R. White [SMTP:C.R.White at SCM.BRAD.AC.UK]
> Sent: Wednesday, June 16, 1999 9:39 AM
> To: EUPHORIA at LISTSERV.MUOHIO.EDU
> Subject: Re: Calendar Info Needed
>
> On Wed, 16 Jun 1999, Leung, Ying-Kit wrote:
>
> ] I've a question for you: Does anybody know how the calendar in a PC, say
> ] windows
> ] 9x/NT works? I mean, how does the computer know the date/day? I know
> they
> ] use the
> ] battery to "remember". But where does the info stored, and in what
> format?
>
> The BIOS in your computer holds the date and time, usually in a
> proprietary format, BIOS for BIOS. DOS (or whatever other operating system
> you use) polls the BIOS for the date and time on startup, so that it can
> align itself with the machine.
>
> An example BIOS date could look like this:
>
> Hex: 10 06 07 CF CD 14 63
> | | | | | |
> 16/06/1999 52500 seconds since midnight
>
> The high bit of the '63' byte represents whether 65536 seconds have
> passed since midnight. If set, 65536 should be added to the total
> seconds count. The lower order bits represent 100ths of a second.
>
> In this case, the time translates as 14:35:00.99, if I've done my
> sums right :)
>
> IIGC Euphoria gets the date info from DOS/Windows.
>
> If you're after writing a calendar program, I'm sure there's something
> available on the Euphoria Contributions pages that'll have an algorithm
> for dealing with dates.
>
> FWIW, I never got around to translating my Calendar programs into
> Euphoria. There buried somewhere on my hard drive in QBasic.
>
> I might just dust them off and translate them...
>
> HTH,
> Carl
>
> --
> Carl R White -- Final Year Computer Science at the University of Bradford
> E-mail........: cyrek- at -bigfoot.com -- Remove hyphens. Ta :)
> URL...........: http://www.bigfoot.com/~cyrek/
> Uncrackable...: "19.6A.23.38.52.73.45 25.31.1C 3C.53.44.39.58"
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Not Categorized, Please Help
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