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From: AWCTTYPA@UIAMVS.BITNET (DAVE LYONS)
Newsgroups: comp.sys.apple
Subject: Mail from Participate at the University of Iowa
Message-ID: <8710191731.aa27841@SMOKE.BRL.ARPA>
Date: Mon, 19-Oct-87 22:26:51 EDT
Article-I.D.: SMOKE.8710191731.aa27841
Posted: Mon Oct 19 22:26:51 1987
Date-Received: Wed, 21-Oct-87 01:24:21 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 30

William DenBesten (and Chris Schumann)--

Apparently the start of your conversation never got to my site, but:

The QUIT call works fine in ProDOS 8 1.3 (although it has another bug--an
accidental 65C02 instruction which can trash your disk if you run it on a
II+ or unenhanced //e).  QUIT may be buggy on ProDOS 1.0.1--it was not a
documented call back in those days.  [And there is _no_ excuse for using such
an old version!  Go to your dealer and get ProDOS 8 1.4, which is current.]

It should not be necessary to do anything to the bitmap before quitting,
although you _are_ supposed to close all files first.  The A register and
Carry flag are completely unimportant before an MLI call, but I can't remember
if a the MLI does a CLD for you or not.  It can't hurt to include one.

Note that there IS a paremeter list for QUIT.  The parameter count is 4, and
you NEED to have 6 bytes of zeroes in the parameter list to insure

compatibility with future ProDOSes.

Example:     300:  JSR $BF00
             303:  65
             304:  10 03
             :
             310:  04 00 00 00 00 00 00

Hope this helps.

--David A Lyons
  AWCTTYPA@UIAMVS (bitnet)