Attract screen blank after exit from game

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dalplanedriver
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Re: Attract screen blank after exit from game

Post by dalplanedriver » Sun Feb 14, 2021 9:03 pm

Ok..figured it out. I went into the config.txt and changed the hdmi mode to #Boot and menus in 480P (no res switching,just 480p) For some reason the auto switching doesn't work.

dee2eR
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Re: Attract screen blank after exit from game

Post by dee2eR » Mon Feb 15, 2021 1:45 am

Running 480p is probably the best setting for your monitor anyway, glad you figured it out.

Your monitor may get confused swapping from 480i (boot/menu) to 240p (in game) back to 480i (for menu), the analog signal for each is very, very similar - lots of LCDs either can display 480i and not 240p or cannot tell the difference and try to treat both as 480i. In my experience using a digital signal (HDMI or DVI) is more likely to work with modern monitors and various low resolutions (particularly progressive scan ones), but you will get a better picture on modern monitors in high res mode anyway.

dalplanedriver
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Re: Attract screen blank after exit from game

Post by dalplanedriver » Mon Feb 15, 2021 5:25 am

Ahhh...so it's my monitor. I agree. Running it in high res mode would be best. I'm wanting to run it in a jamma cab with a switcher that shares classic boards that only put out RGB signals. I guess it probably would be easier to use the LCD in something else, put an old CRT in the cab and call it a day :D

dee2eR
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Re: Attract screen blank after exit from game

Post by dee2eR » Mon Feb 15, 2021 11:25 pm

It may be that if you run the RaspberryJAMMA/ARpiCADE in the 240p only low res mode it would suit the monitor more than 480i+240p. There's still some resolution changing to suit different games but no interlacing to confuse things. Still on a LCD it's most likely to look best in high res mode.

Alternately swapping to CRT would give you the best possible results, not just for the Pi based stuff but also your original boards. The games were made to be played on CRT after all.

vhstape
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Re: Attract screen blank after exit from game

Post by vhstape » Fri May 14, 2021 9:34 pm

So I am having the same issue with the screen going to black when I try to exit a game, and also the games are scrunching up/warping to the side of the screen (the battle toad marks the very left of the video game [picture 1]). I tried changing to 480p in the config file, but that only creates a double screen with quality loss/lower res (picture 2). I am using a 19 inch original arcade cabinet CRT monitor.
480i.jpg
480i.jpg (158.54 KiB) Viewed 2994 times
480p.jpg
480p.jpg (148.65 KiB) Viewed 2994 times

dee2eR
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Re: Attract screen blank after exit from game

Post by dee2eR » Sun May 16, 2021 6:26 am

definately don't send your low res monitor 480p. 480p is high res, you don't want high res.

Is the menu shifted over to the right too? Is it all games? Or just some? Hard to say if you need to adjust the monitor picture position or if there's a particular res that isn't lining up well.

Were you using the 480i or 240p low res settings? (default is 480i to boot, both will run most games at 240p)

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