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Author Topic: Horizontal line moving  (Read 2048 times)

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RVZ

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Horizontal line moving
« on: July 19, 2010, 03:47:32 am »
I'm using the s-video out from my Geforce 6600LE to the component input on my tv.  I'm getting a horizontal line going from the bottom to the top on some games.  For example with Wonderboy it's very noticeable.  Is this a refresh rate issue?
« Last Edit: July 20, 2010, 09:25:09 am by RVZ »
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qrz

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Re: Horizontal line moving
« Reply #1 on: July 21, 2010, 07:50:52 pm »
if its a close pair of scrolling horizontal bars , it "could" be due to a ground loop issue.
what is the make/model of tv ?
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RVZ

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Re: Horizontal line moving
« Reply #2 on: July 22, 2010, 01:53:21 am »
Quote from: qrz on July 21, 2010, 07:50:52 pm
if its a close pair of scrolling horizontal bars , it "could" be due to a ground loop issue.
what is the make/model of tv ?

It's a LG 29FS4RLX.  It's just one line, looks like it's only doing it with side-scrolling games.
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MonMotha

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Re: Horizontal line moving
« Reply #3 on: July 22, 2010, 10:48:12 am »
Is the line blurry and grayish/black or is it just a discontinuity in the image?

The former is possibly a ground issue.  The latter means you need to enable wait for vsync in your video drivers or emulator as you are getting "tearing".
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RVZ

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Re: Horizontal line moving
« Reply #4 on: July 22, 2010, 03:57:20 pm »
Quote from: MonMotha on July 22, 2010, 10:48:12 am
Is the line blurry and grayish/black or is it just a discontinuity in the image?

The former is possibly a ground issue.  The latter means you need to enable wait for vsync in your video drivers or emulator as you are getting "tearing".

That's the word I was looking for... tearing!  I'll check for those settings, thanks.  :)
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RVZ

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Re: Horizontal line moving
« Reply #5 on: July 24, 2010, 04:12:29 am »
I couldn't find the place in Mame where to change those settings, so I enabled "wait for vsync" and "tripple buffering" in the Nvidia Control Panel.  Fixed the problem with the tearing, thanks.   :applaud:

BTW, how do you change these settings in Mame?
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