Re: VGA smooth scrolling problem

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#1482

From: Franklin Antonio
Date: Wed, 07 Mar 1990 10:56

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ea@max.u.washington.edu writes...
>  I am trying to write an assembly routine which smoothly scrolls (one
>pixel at a time) a VGA text screen.  I use the Preset Row Scan Register

Check out the Start Address Registers.  They allow you to move whole character
widths or heights without moving characters in memory.  I have never seen
a program that actually implemented smooth scrolling on a VGA, so let us 
know if you succeed!

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Message-ID: <1892@qualcom.qualcomm.com>

Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!salt.acc.com!ucsd!qualcom!fpa

References: <13409.25f447ea@max.u.washington.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!salt.acc.com!ucsd!qualcom!fpa
From: fpa@qualcom.qualcomm.com (Franklin Antonio)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Re: VGA smooth scrolling problem
Message-ID: <1892@qualcom.qualcomm.com>
Date: 7 Mar 90 10:56:50 GMT
References: <13409.25f447ea@max.u.washington.edu>
Reply-To: fpa@qualcomm.com (Franklin Antonio)
Organization: Qualcomm Inc., San Diego, CA
Lines: 8

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