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From: tj@kona.cs.ucla.edu (Tom Johnson)
Newsgroups: comp.sys.mac.programmer
Subject: Re: jGNEFilter
Message-ID: <1991Apr2.192534.7628@cs.ucla.edu>
Date: 2 Apr 91 19:25:34 GMT
References: <156750@tiger.oxy.edu> <50988@apple.Apple.COM>
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In article <50988@apple.Apple.COM> nerm@Apple.COM (Dean Yu) writes:
>  Most bad...  jGNEFilter procs expect the event record to be in A0.  Since
>you used A0 to call the next procedure, you're effectively passing the
>beginning of the next procedure to itself as the event.  Now if that
>procedure modifies the event....


Actually, according to TN 85:
	"After all other GNE processing is complete the routine
	will be called with A1 pointing to the event record and d0
	containing the boolean result....."

So doing a jsr(a0) to jump into the previous jGNEFilter routine
should work just fine.
>  -- Dean Yu
>     Blue Meanie, Negative Ethnic Role Model, etc.
>     Apple Computer, Inc.
>     My opinions and so on and so forth...

Tom
-- 
Tom Johnson             "I put this moment.............................here
tj@cs.ucla.edu           I put this moment......................here
                         I put this moment--
                                              Over here!"        (Kate)