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Old 03-01-07, 11:25 PM   #1
Skinkie
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Default [Feature Request] TVOverScan; What about hidden lines.

Currently the nVidia cards have a very decent overscan. I really like it. But I would like to see the possibility to access the invisible screen areas (blanking lines). Access to the lines 6-21 be very nice

Now the main problem why an user isn't able to do this now, is because the nvidia kernel module ignores the modeline values related to this. I think it should be trivial to give access to that region.
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Old 03-02-07, 05:28 AM   #2
kokoko3k
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Default Re: [Feature Request] TVOverScan; What about hidden lines.

What do you need them for?
Just curious!
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Old 03-02-07, 11:28 AM   #3
Skinkie
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Default Re: [Feature Request] TVOverScan; What about hidden lines.

Quote:
Originally Posted by kokoko3k
What do you need them for?
Just curious!
I'm implementing Teletext/TTX/Ceefax/Closed Captions. With a tiny trick I already can write on one of the lines, so I can test my code with the zvbi library but (of course) it would be nice to do full speed teletext so I can use all lines.

Btw. before jumping around, I am able to get it recognized as teletext, but I'm not yet able to generate an arbitrary text, not due to the lack of documentation, but it is probably bandwidth related. (For example I can write 3333 but not 333i yet.)
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Old 03-02-07, 03:59 PM   #4
kokoko3k
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Default Re: [Feature Request] TVOverScan; What about hidden lines.

Good work
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Old 03-02-07, 09:59 PM   #5
Skinkie
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Default Re: [Feature Request] TVOverScan; What about hidden lines.

Quote:
Originally Posted by kokoko3k
Good work
I'm calibrating the card now. About the arbitrary text... shoot the men who invented undocumented endianess

If it all works I'll post a tvscreenshot and I hope nVidia will help me a bit with the other lines.
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Old 03-04-07, 07:32 PM   #6
Skinkie
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Default Re: [Feature Request] TVOverScan; What about hidden lines.

It works.

So I hope someone from nVidia can respond to this request. Next to that I hope to figure out if it is possible get colours in X, next to colours in the terminal. For example, X only gives me a screen when I select S-Video, Composite won't work. Nevertheless when I'm on the console I do have colours.
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