From: Allens 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 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk 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