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From: mcdonald@aries.scs.uiuc.edu (Doug McDonald)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: composite video output from EGA/VGA cards (like from CGA) ???
Message-ID: <1991Apr29.195444.12878@ux1.cso.uiuc.edu>
Date: 29 Apr 91 19:54:44 GMT
References: <73672@eerie.acsu.Buffalo.EDU>
Sender: usenet@ux1.cso.uiuc.edu (News)
Organization: University of Illinois at Urbana
Lines: 21


In article <73672@eerie.acsu.Buffalo.EDU> v087mxgb@ubvmsd.cc.buffalo.edu (Shawn E Thompson) writes:
>
>
>Hi all,
>
>I have been able to tap the CV output on my CGA card
>so I can run it to a large screen TV for demos/classes
>etc.........
>
>
>Is there *ANY* way I can do this from an EGA &/or VGA card???
>
>

Yes, if you have a VGA and a TV with RBG inputs, or if you are willing
to use B&W or gray scale. You can play with  registers and get close to NTSC 
frequencies. I can send code to generate 640x200 graphics or 25x80 text.


Doug McDonald