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Another advanced technique is row/column scrolling, where rows/columns of [[Tile engine|tiles]] on a screen can be scrolled individually.<ref>{{cite web|url=https://web.archive.org/web/20140102211938/http://mamedev.org/devwiki/index.php?title=Using_MAME%27s_tilemap_system|title=Using MAME's tilemap system - DevWiki|author=|date=2 January 2014|website=archive.org}}</ref> This technique is implemented in the [[Graphics processing unit|graphics chips]] of various [[List of Sega arcade system boards|Sega arcade system boards]] since the [[Sega Space Harrier]] and [[Sega System 16|System 16]],<ref>{{cite web |url=http://cgfm2.emuviews.com/txt/s16tech.txt |title=Archived copy |accessdate=2016-08-08 |url-status=dead |archiveurl=https://web.archive.org/web/20160304034742/http://cgfm2.emuviews.com/txt/s16tech.txt |archivedate=2016-03-04 }}</ref> the Sega Mega Drive/Genesis console,<ref>{{cite web|url=http://www.gamepilgrimage.com/content/sega-genesis-vs-super-nintendo|title=Sega Genesis vs Super Nintendo|date=2009-08-11|website=gamepilgrimage.com|access-date=2014-09-26|archive-url=https://web.archive.org/web/20150924020645/http://www.gamepilgrimage.com/content/sega-genesis-vs-super-nintendo|archive-date=2015-09-24|url-status=live}}</ref> and the [[CP System|Capcom CP System]],<ref>{{cite web|url=https://github.com/mamedev/mame/tree/master/src/mame/video/cps1.c|archive-url=https://hookagency.com/new-forgotten-world-clone-cp-system-code/|archive-date=25 May 2015|first=Paul|last=Leaman|title=New Forgotten World Clone – CP System Code}}</ref> [[Irem M-92]]<ref>{{cite web|url=http://www.system16.com/hardware.php?id=747|title=System 16 - Irem M92 Hardware (Irem)|website=www.system16.com|access-date=2014-09-26|archive-url=https://web.archive.org/web/20141224152637/http://www.system16.com/hardware.php?id=747|archive-date=2014-12-24|url-status=live}}</ref> and [[Taito F3 System]]<ref>{{cite web|url=http://www.system16.com/hardware.php?id=665|title=System 16 - Taito F3 System Hardware (Taito)|website=www.system16.com|access-date=2014-09-26|archive-url=https://web.archive.org/web/20140421134650/http://www.system16.com/hardware.php?id=665|archive-date=2014-04-21|url-status=live}}</ref> [[arcade game]] boards.
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In the following animation, three layers are moving leftward at different speeds. Their speeds decrease from front to back and correspond to increases in relative distance from the viewer. The ground layer is moving 8 times as fast as the vegetation layer. The vegetation layer is moving two times as fast as the cloud layer.
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