[Open-graphics] bootstrapping the video mode (outputting VGA text)

James Richard Tyrer tyrerj at acm.org
Tue Aug 8 21:45:00 EDT 2006


Dieter wrote:
>> IBM and other early systems that used a TV were not interlaced.
> 
> Huh?  Are you saying that you can feed progressive video to a
> conventional analog TV and the TV will be happy?

Yes, as long as the number of lines per field is about the same.  So to 
run a TV progressive you use 262 total lines and 240 visible lines.

-- 
JRT


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