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Re: Weird IIgs Rom 01 bug
- Subject: Re: Weird IIgs Rom 01 bug
- From: mjmahon@aol.com (Michael J. Mahon)
- Date: 20 Oct 2004 17:48:06 GMT
- Newsgroups: comp.sys.apple2
- Organization: AOL http://www.aol.com
- References: <OOudd.185334$as2.52294@bignews3.bellsouth.net>
- Xref: g2news1.google.com comp.sys.apple2:5208
Jayson Smith wrote:
>As far as weekdays go, for the person who commented that adjusting the year
>would produce the wrong weekdays, there's a little secret here. The cycle
>of weekdays repeats every twenty-eight years normally. This cycle is broken
>whenever a year that should be a leap year isn't. This will happen next in
>2100. For every year ending with 00, if the year is divisible by 400 it is
>a leap year, otherwise it isn't. So 1700, 1800 and 1900 weren't, but 2000
>was. So to get in the exact same spot in the weekday cycle for this year,
>you'd set your clock to the same date, and the year 1976. Around the time
>of Y2K, they said that if your VCR wasn't Y2K compliant, you should set it
>to 1972 when the year was really 2000, because of the twenty-eight year
>cycle.
I understand, Jayson, but then the last two _year_ digits are wrong.
I was pointing out that there is no nearby century which has the
same calendar as the one we're in, so there's no workaround that
is not readily distinguishable from reality.
-michael
Check out parallel computing for 8-bit Apples on my
Home page: http://members.aol.com/MJMahon/