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Wavey Lines on the edges of the screen/d3d9ex not working

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harry_sack:
Hey Guys!

I've just installed GroovyMAME 0.206 - Switchres v0.017n and CRT Emudriver. Everythings works fine so far, super resolutions work, mame is switching automaticly, everything's great.. BUT.. big BUT:

A lot of resolutions look like this at the upper half of the screen :( (check the picture)

How can I fix that? Can I even fix that?

I'm using an HD4350 graphics card, Windows 10. an UMSA VGA to Scart Converter and my TV is a Bang & Olufsen MX7000.

I followed this tutorial step by step:

http://geedorah.com/eiusdemmodi/forum/viewtopic.php?pid=1016#p1016

I'm quite new to all this Switchres stuff, so I don't know what to do know :-\ Any help would be much appreciated! Please let me know if you need more information

also another problem:

This guide here:

http://geedorah.com/eiusdemmodi/forum/viewtopic.php?id=290

it says to set video in the mame.ini to d3d9ex. But when I do that and I start mame my screen just stays black. Am I doing something wrong?

Calamity:
This issue might get corrected to some extent by increasing the size of the vertical back porch. Try doing it in Arcade OSD, and if it works, paste the resulting modeline/crt range here (use the "copy modeline to clipboard" option in Arcade OSD).

Paradroid:

--- Quote from: Calamity on February 07, 2019, 02:26:02 pm ---This issue might get corrected to some extent by increasing the size of the vertical back porch.
--- End quote ---

I have seen this issue on every B&O TV that I have tried and Calamity's suggestion has been the only solution to the problem.

It's got to be some kind of design flaw in the chassis. Fortunately, we can work around it by shifting the image down (with the modeline) and then shifting it back up (with the TV controls).

Arroyo:

--- Quote from: harry_sack on February 07, 2019, 10:20:56 am ---
it says to set video in the mame.ini to d3d9ex. But when I do that and I start mame my screen just stays black. Am I doing something wrong?

--- End quote ---

There’s a link within the same tutorial that talks about updates when using versions of Mame from 0.182 and beyond:

http://geedorah.com/eiusdemmodi/forum/viewtopic.php?pid=1235#p1235

Basically leave it as auto rather than putting d3d9ex.

harry_sack:
thx guys. I'll try the suggestion with increasing the v back porch when I have the time for it and let you know about the results :)

BUT I have another questions.. do I have to adjust the backporch on all resolutions or just on one?

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