flickering apple on screen

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Article #380

#380

From: edmoy
Date: Wed, 16 Jan 1985 03:09

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I've just submitted a modified version of the sleep desk accessory to
net.sources and info-mac.  In this version, an apple moves continuously
around the screen.  I've noticed that on my 128K Mac at work and my
512K Mac at home, that when the apple moves to a region about the upper
middle quarter of the screen, it starts to flicker.  The desk accessory is
call 30 times a second, and doesn't flicker outside this region on the
screen.  Anybody know why?

Edward Moy
Computing Services
University of California
Berkeley, CA  94720

edmoy@ucbopal
ucbvax!ucbopal!edmoy

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From: edmoy@ucbopal.CC.Berkeley.ARPA
Newsgroups: net.micro.mac
Subject: flickering apple on screen
Message-ID: <223@ucbopal.CC.Berkeley.ARPA>
Date: Tue, 15-Jan-85 22:09:10 EST
Article-I.D.: ucbopal.223
Posted: Tue Jan 15 22:09:10 1985
Date-Received: Fri, 18-Jan-85 01:44:54 EST
Organization: Univ. of Calif., Berkeley CA USA
Lines: 15