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Article #436

Re: ModeY vs. 13h

#436
From: sl8nl
Date: Wed, 05 Aug 1992 23:51
12 lines
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>      The library I'm writing can use either 320x200, 320x240 or 360x480
> (all planar modeX style) and each gives almost exactly the same speed (with
> various levels of squashedness).  I really can't think of any reason why they
> would be different - code is absolutely identical for drawing in either mode,
> except the mode-setting code of course.  Are you SURE you're using modeY? :-)

Unless the mode set code differs from the 320x400 mode set code w/o setting
the max scan line to 0, then yeah, it's ModeY.  Speeds within the tweaked modes
will be the same, but the speed I'm after is mode 13h (regular linear 320x200
64k mode) as opposed to ModeY (planar 320x200x256x4 mode).

Josh
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Message-ID: <1992Aug5.175109.57888@cc.usu.edu>
Path: arc1-ca.pugleaf.net!sparky!uunet!caen!hellgate.utah.edu!cc.usu.edu!sl8nl
References: <UeTynzG00WB703IJ50@andrew.cmu.edu>

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Path: arc1-ca.pugleaf.net!sparky!uunet!caen!hellgate.utah.edu!cc.usu.edu!sl8nl
From: sl8nl@cc.usu.edu
Newsgroups: rec.games.programmer
Subject: Re: ModeY vs. 13h
Message-ID: <1992Aug5.175109.57888@cc.usu.edu>
Date: 5 Aug 92 17:51:08 MDT
References: <UeTynzG00WB703IJ50@andrew.cmu.edu>
Organization: Utah State University
Lines: 13