Path: utzoo!attcan!uunet!lll-winken!ncis.llnl.gov!helios.ee.lbl.gov!pasteur!ucbvax!decwrl!labrea!rutgers!orstcs!jacobs.CS.ORST.EDU!borcelf
From: borcelf@jacobs.CS.ORST.EDU (Fernando Borcel)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Help With VBL Tasks
Summary: Getting registers from LSPascal
Keywords: VBL task; post itself; BOMB
Message-ID: <8383@orstcs.CS.ORST.EDU>
Date: 20 Jan 89 21:12:10 GMT
References: <8343@orstcs.CS.ORST.EDU> <445@internal.Apple.COM>
Sender: usenet@orstcs.CS.ORST.EDU
Reply-To: borcelf@jacobs.CS.ORST.EDU.UUCP (Fernando Borcel)
Organization: Oregon State University - CS - Corvallis Oregon
Lines: 19

In article <445@internal.Apple.COM> lsr@Apple.COM (Larry Rosenstein) writes:
>
>(2) The technique you use to set up the task to be executed again is not
>right.  You don't need to creata new task block.  Instead you shouldsimply
>reset the vbl counter in the existing task block.  A pointer to the task
>block is passed in A0 when your VBL code is called.  There are various ways
>to get this register in Pascal, depending on the development system.
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  

OK, I'm using LSPascal.  How do I get A0, and what is the TYPE of what it's
pointed by it?


	Fernando

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