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From: jkjl@munnari.oz (John Lim)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Fast image changes
Message-ID: <2661@munnari.oz>
Date: 31 Jan 89 01:03:18 GMT
References: <243@usage.csd.unsw.oz> <10050074@accuvax.nwu.edu>
Reply-To: jkjl@munnari.UUCP (John Lim)
Organization: Comp Sci, Melbourne Uni, Australia
Lines: 9

In article <10050074@accuvax.nwu.edu> bob@accuvax.nwu.edu (Bob Hablutzel) writes:
>You cannot use CopyBits from a VBL task. CopyBits is on the list of traps
>which might move or purge memory.
>
David Dunham in MacTutor quoted Steve Brecher as saying that CopyBits
only moves memory when you are saving a Picture. That was many months
ago, so i dont know how valid this comment would be today.
	
	john lim