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Manpages XScreenSaverSection: User Commands (1)Updated: 17-Jun-97 Index Return to Main Contents NAMEmunch - munching squares screen hackSYNOPSISmunch [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-mono] [-install] [-visual visual] [-delay seconds] [-xor] [-noxor] [-shift] [-noshift] [-logminwidth minimum width]DESCRIPTIONThe munch program preforms the munching squares hack until killed. It picks square size, position, and gravity randomly; configurable options are listed below.The munching squares hack cosists of drawing Y = X XOR T for a range of X and T over and over until all the possible combinations of X and T have come up. It was reportedly discovered by Jackson Wright in 1962 and took 5 instructions of PDP-6 code. OPTIONSmunch accepts the following options:
ENVIRONMENT
SEE ALSOX(1), xscreensaver(1), http://www.inwap.com/pdp10/hbaker/hakmem/hakmem.html, http://www.comedia.com/Hot/jargon_3.0/JARGON_M/MUNCHSQR.HTMLHISTORYQuoted from HAKMEM, for historical interest. As that document says, "Unless otherwise stated, all computer programs are in PDP-6/10 assembly language."
COPYRIGHTCopyright © 1997 by Tim Showalter. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.AUTHORTim Showalter <tjs@andrew.cmu.edu>, 17-Jun-97, based on what's in the Jargon File and stealing stuff from existing xscreensaver modules.
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