Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!lll-winken!uunet!portal!cup.portal.com!Geva_Apple-Maniac_Patz
From: Geva_Apple-Maniac_Patz@cup.portal.com
Newsgroups: comp.sys.apple
Subject: Re: Help! reading ProDos date (appleIIe)
Message-ID: <16189@cup.portal.com>
Date: 24 Mar 89 11:21:42 GMT
References: <441@swbatl.UUCP>
Organization: The Portal System (TM)
Lines: 20

ProDOS stores its date in a slightly odd format. You can either use a MLI
call to get it, or try your luck with reading the actual memory locations.
The MLI call is GET_TIME, $82, and has no parameter list. The  time is
stored with the hours in $BF93 (49043), and the minutes in $BF92 (49042).
Where things get just a little  stickier is in the system date, which is
Sostored over two consecutive memory locations,  $BF91 and $BF90 (49041 and
49040, respectively). It's stored as a 16-bit word in low-byte, high-byte
form, with the least significant 5 bits representing the day, the next
four bits representing the month, and the most significant seven bits
representing the  year, like this:

    $BF91           $BF90
 5 4 3 2 1 0
YYYYYYYYYYYYYYMMMMMMMMDDDDDDDDD

Hope this helps,

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 Geva
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