From: "Campbell, Rolf [SKY:1U32:EXCH]" Newsgroups: comp.os.msdos.djgpp Subject: Re: StdVGA mode 12 (640x480x16) help need Date: Fri, 10 Mar 2000 12:08:36 -0500 Organization: Nortel Networks Lines: 18 Message-ID: <38C92C14.4A7AA22D@americasm01.nt.com> References: <8a9mg2$jph$1 AT bagan DOT srce DOT hr> NNTP-Posting-Host: wmerh0tk.ca.nortel.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.72 [en] (X11; I; HP-UX B.10.20 9000/785) X-Accept-Language: en To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Tihomir Heidelberg wrote: > When drawing directly to screen I get only 7fps on my Celeron 400 with AGP. > On 386 notebook I get 1fps :( > > Anyone can give me a documentation, tutorial or note how to write > in memory to draw on screen in mode 12 ? > (Like mode 13 320x200x256 use 0xa000000). Well, there's a reason why nobody uses that mode, it sux. It uses bit-planes to draw pixels (each bit of a pixel exists in a different location in memory), so drawing stuff is slow. -- (\/) Rolf Campbell (\/)