delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1998/07/14/16:30:37

From: Allens <allen DOT asjp AT cableol DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro/ Page flipping question
Date: Tue, 14 Jul 1998 21:03:38 +0100
Organization: Cable Online
Lines: 21
Message-ID: <35ABB99A.2441@cableol.co.uk>
References: <35A312F1 DOT 2C71FD79 AT earthlink DOT net>
NNTP-Posting-Host: 194.168.181.55
Mime-Version: 1.0
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

steven wrote:
> 
> Hi, I'm a regular "lurker" and newbie DOS graphics programmer, so I
> apologize if this question is redundant...
> 
> I recently wrote a little program that allows a sprite to be moved back
> and forth on the x-axis.  However, once I implemented page flipping, it
> seems there is a bit of flicker!  Is this normal?  Is double buffering
> better?  If I wanted to write simple DOS games, which technique is
> "better?"  I looked on the net, but couldn't find a straight answer.
> Maybe someone could direct me to a link?  Thanks in advance!
> 
> Steven

Page flicking will not work properly if you do not have enough memory on 
your video card.  Double buffering is much safer if you do not know how 
much video memory your intended machine has.

	Hope that helps

		Peter Allen

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019