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Re: Apple IIe



In article <7fvuka$dff$1@news.rt66.com>,
  "Mike Westerfield" <MikeW50@aol.com> wrote:
>
> ----------
> In article <19990425020551.11707.00001337@ng26.aol.com>, supertimer@aol.com
> (Supertimer) wrote:
>
> >ProDOS is Y2K compliant as is most software, but it depends.
> >ProDOS' calender table must be updated every few years.
>
> Every 7 to be exact, and as it turns out, 1999 is one of them. There are
> clock patch programs available. One source, although not the only one, is
> the set of ProDOS disks we sell. If you want to make sure you have the
> latest complete set Apple provided, as well as the clock patch program,
> visit our web site at http://www.hypermall.com/byteworks.

I guess it depends on what kind of clock you use. I think the problem is that
the first officially ProDOS supported clock (the ThunderClock???) did not
actually tell you the year, only the date and the day of week (sic!). ProDOS
then did a look-up in a table to find out the year.

If you have different clock hardware (for example a No-Slot-Clock or the real-
time clock in the Apple IIGS) I don't think you need to update the calendar
table.

The internal storage of dates in ProDOS allows for years up to 2027 (1900 +
127). I think that many programs that present dates might fail (foul up the
display or whatever) after 1999 though...

> Mike Westerfield

/Per

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