Tried it and may return it...
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@the496rocket what is the amps on your power supply. It is supposed to be at least 2.5a. Phone chargers arent good enough for a pi 3
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When I first started out, the Threaded Video option in RetroArch gave me a tremendous amount of input lag. Disabling that made a significant difference for me, so go to Settings -> Video, Threaded Video = Disabled and see how it goes.
You also don't need dispmanx; I roll with gl, and I personally don't see any significant gains with dispmanx, and this is with Vsync enabled alongside gl.
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As you haven't specified, did you get the image from the Retropie website, or another source? The reason I ask is so many issues seem to be bundled up with 3rd party images at the moment.
I too experience no noticible controller lag using an Xbox 360 wired pad, and would suggest if you are using the stock Retropie image that it is either a controller issue or an issue with your TV rendering HDMI.
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@the496rocket Besides a possible throttling issue (lightning bolt icon popup for lack of power/temp icon for heat), are you using any video converters like hdmi to vga or something? Using original Retropie 4.2 and not some custom image? Honestly, I've had nothing but a decent experience with my pi's. My only hair pulling issues are setting up multiple controller types..
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Definitely worth swapping the power supply. I had problems with my USB controller using a phone charger. I swapped it for an Official Pi branded supply which is rated at 2.5A and that was much better.
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I am currently flashing the image to another SD just to rule that out.
I am using a 3a wall outlet that I got with the kit I bought off eBay, so far haven't had any issues with a lightning bolt or anything. I'm going to be messing with it for the rest of the night to try and figure this out...
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And no converters, hdmi straight from the pi to the tvs I have tried.
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@the496rocket unfortunately there are a billion bootleg chinese junk sd cards out there. So you have to be careful when buying them.
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@the496rocket could be sd card if u got a cheap Chinese 1 I had same problem with my so called 64gb card. Best thing to do is get the official 2.5a raspberry power supply either a 4 or 10 sd card which I've had no problems with. And use a playstation 3 pad I've no issues with this either. And my pi is running perfect with official retropie 4.2.
Do a fresh install on a decent sd card n try it again with a different rom of the game.
If.u still having same.problem then it could be the pi itself -
Well after following the suggestions I have the lag down to a tolerable level except for super Mario world which I guess is very common. Thanks all for the help with this...
However I've been playing a lot of contra tonight and I'm pretty disappointed about the slowdowns I am getting during the game. I have tried different emulators as well as different resolutions, to no avail. This pi 3 should have more than enough juice to power these emulators at full speed. I have emulators set up on my Xbox and it plays emulators and super Mario 64 and Mario mars without a single hiccup... and from what everyone says the pi 3 is more powerful than the Xbox. Mario 64 took a lot of tweaking to be decently playable ok the pi. Anyone have any insight with this new problem? The microsd I have says Samsung evo+ right on it I would hope it's genuine since I paid extra for the premium sd card....
I apologize if I should start a new thread. Let me know if so.
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have you tried overclocking the Pi a bit?
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Contra is an old game, the Pi doesn't need to be overclocked to handle it.
Which version are you playing? The NES version has slight slowdown at some points. It happens on real hardware and the emulator won't correct this either.
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@the496rocket please, try to fill the form in the read this first post.
There must be something wrong in your setup. RetroPie on a raspi3 with decent peripherals can run smoothly any game from the 8/16-bit era without any tweak. Just install, config input, put your ROMs and play.
[Footnote: OK, maybe 3D games, like StarFox (SNES) and Virtua Racing (Mega Drive), can stutter a bit. But the games you mentioned should work just fine.]
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