@xu-xiaolan omg I actually got it working, tyvm @mitu or I would've been very confused xd, I cloned the github, went to configs and allowed the safe hdmi option then I switched the HDMI port from 1 to 0 (right to left) if anyones wondering how i did it

You should talk to the vendor of the board - maybe they have a way to check for faulty wiring ? Looking at the documentation for the board, it looks like it's using GPIONext and that should detect any GPIO inputs easily.

@clyde not for clrmame. I was thinking for setting up romsets to mame versions on RetroPie. Its probably done already, I just never checked.

@y-ello said in How to add a GPIO button to a Retropie (Rpi 3B+) build?:

Can I use a GPIO wired push button for exit emulator? how?

Assuming you have a the button wired to a GPIO (there's tons of tutorials and documents on using a RPI with a button), you can use something like GPIONext to run a script whenever you press the button.
RetroArch has a network control interface, to which you can send commands from the script you attach to the button press (pause RA, open the menu, exit, etc.) - see more details here. Since most emulators in RetroPie are just libretro cores and run within RetroArch, it might be enough to cover most emulators, but you can also simulate a keyboard with GPIONext and simulate a key press for the button push (i.e. for opening the MAME menu).

@mitu said in PS4 Arcade Encoder Disables Audio on Pi3 B+:

Please add some info about your setup, as detailed in https://retropie.org.uk/forum/topic/3/read-this-first.

This info is missing.

@wolfyn-claw That won't work on a stadard RetroPie image or on Raspberry Pi OS, since it's a 32bit (armhf) version. Support for the beta 64 bit image of Raspberry Pi OS is still beta at the moment in RetroPie, so YMMV if you wish to install it (manually, since there's no image provided for it).
FWIW, there are a few topics here in the forums with Dolphin installations - you can take a look at how other users have installed it and what are their experience with it.

@w1ck3rm4n
There is a naming scheme that the emulator goes by, if you search "retropie psx bios wiki".
You can have all the bios, but the emulator will automatically select from its naming scheme list, the one considered most compatible closest to the top of the list, out of what it can find in the bios folder.

@goombah111 I'm using lr-flycast and sonic adventures 2 runs well on it.

I just went ahead and added a hot-key button on the arcade cabinet. I really did not want it on the control deck. So I decided to cut a hole under the control deck.
Nice thing about adding it there is that it's thin as hell and easy to cut through.

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@goombah111 said in Certain menus not displaying correctly.:

Does this help run games faster?

No.

Does it add/take away from other applications?

Yes, since the VRAM is allocated from the main memory.

Hotkey is set during initial controller configuration. You should be able to have a different one for every (type of) controller you use. Configure additional controllers through the EmulationStation start menu.

Edit: oh but I guess you want to do this only for NES, so the shoulder button still works when using the SNES controller for SNES games... maybe not so simple then. The docs do say that hardcoded configurations are "locked to a specific core and controller," but in the example they give, I don't see anything that does tie it to a specific controller.

@discgolferusa
Very nice. I like the marquee and the fact that your controls are spaced out enough that you won't be rubbing elbows with player 2.

@skylo It's not quite the same. The 1A model is one of the first Pi model and it's a single core 700Mhz system, no WiFi and just 512 Mb memory. It doesn't compare to a Pi4 or 3b+, which are still in current (in fabrication). You'd be better getting a Zero W model for a handheld build.

@sirhenrythe5th. How exactly do you do that?????

@skykid said in P1 & P2 controls binding to same pad (automatically):

Either way, it seems to suddenly occur by itself without any adjustment to control configs.

This looks like an emulator configuration issue. Please add some info about your setup/issue - as detailed in https://retropie.org.uk/forum/topic/3/read-this-first - and provide a verbose log.

@mitu
I changed device to pcm and volume to 50.00000 no effect.