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From: jockc@killer.UUCP (Jock Cooper)
Newsgroups: comp.sys.apple
Subject: Re: Quitting my own application
Message-ID: <1740@killer.UUCP>
Date: Mon, 5-Oct-87 17:28:05 EDT
Article-I.D.: killer.1740
Posted: Mon Oct  5 17:28:05 1987
Date-Received: Fri, 9-Oct-87 05:11:33 EDT
References: <1311@bgsuvax.UUCP>
Organization: The Unix(R) Connection, Dallas, Texas
Lines: 22

In article <1311@bgsuvax.UUCP>, denbeste@bgsuvax.UUCP (William C. DenBesten) writes:
> I am unable to exit a prodos application that I am writing.  When I execute
> the following prodos trap, it dumps me at an applesoft prompt, rather than 
> putting up the default program exit routine.
> 
> 	300: 20 00 bf  ; jsr MLI
> 	303: 65        ; quit-code
> 	304: 08 03     ; exit-parameters

I believe that I once encountered this behavior. (It has been awhile since I
wrote 6502 assy, so bear with me).
I think I ended up calling the system death code directly.  The address 
of the system death (quit) code is stored somewhere in the ProDOS global page.
If you have a copy of Beneath Apple ProDOS (Quality Software), you can
find out the global page location that contains the quit code address and 
JMP to it.  If you don't have the book (or access to one) I will check tonight
and post the info tomorrow.


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