Re: [stella] Closed Captions (Again)

Subject: Re: [stella] Closed Captions (Again)
From: A Braunsdorf <ab@xxxxxxxxxxxxxx>
Date: Thu, 23 Nov 2000 01:24:50 -0500
In message <>, Glenn Saun
ders writes:
> It's probably possible to reverse engineer CC.  Try recording something 
> like Sesame Street with the alphabet song or something.  Then freeze frame 
> the tape (or digital recording) and roll the image up to see the 
> pattern.  Then see if the 2600 can duplicate the pattern.

Yeah, I usually use LDs because they generate a stable frame when
paused (well CAV ones do).

> Because stations may vary horizontal alignment and other stuff, I would 
> guess that even if the 16 pixels were not perfect width or didn't line up 
> perfectly, that the decoder will still be able to do something with it.  CC 
> decoding is probably pretty tolerant, considering that it's early 1970s 
> technology.

Yep.  Not to mention the wobbly time base you get from most home

> The cool thing about this is that if you could get it to work you could 
> write an entire text adventure game using the built-in CC capabilities of 
> the TV as your main display engine.

That's the sort of thing I'd like to do.  That, and I need a CC
generator for my other video gear. :-)


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