Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!agate!labrea!rutgers!mit-eddie!bloom-beacon!mcgill-vision!iros1!anodin!meynard From: meynard@anodin.iro.umontreal.ca (Meynard Yves) Newsgroups: comp.sys.mac.programmer Subject: Help for VBL Message-ID: <737@mannix.iros1.UUCP> Date: 3 Nov 88 21:29:53 GMT Sender: news@iros1.UUCP Reply-To: meynard@iros1.iro.umontreal.ca Distribution: na Organization: Universite de Montreal Lines: 10 I've been fruitlessly trying to install a VBL task in the Vertical Retrace queue. I haven't got the faintest idea what I can be doing wrong. I define a task, fill in all the fields with appropriate values, as per IM2, then tell the machine to "VInstall(thePtr)" and... crash. A bad one that corrupts memory all over, at that. I'm using a Mac Plus with TML Pascal 2.5, a coupla' INITs as well. Does it matter? Could anyone point me to a source code example for doing this? Many thanks.