Path: 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 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!