That behaviour is totally normal. The configuration screen of EmulationStation lets you configure the arcade buttons to their individual meanings, e.g., left, right, start, x, and so on.

I've given up and gone to windows

it missed the middle picture.. heh

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@leejsmith I just noticed your Album link at the bottom of your pictures! I see the USBs in the back now and that screen is just HDMI! Don't know why I never thought about that because I've heard others have issues with refresh rates using the onboard display interface (DSI) port. Thanks for sharing your mini bartop. I enjoy seeing these well constructed builds! Keep up the good work :)

I managed to get it to work!

Turns out that I had to change the retroarch.cfg files inside the individual emulator folder, since the global retroarch.cfg file changes did not seem to register for the Neogeo ROM :)

Hi there!
I'm only replying here to give you the solution I found to get my THT THT 2 Player Encoder working on Raspberry PI3, and Retropie 4.3.
I can say the usbhid.quirks=0x16c0:0x05e1:0x040 command didn't work for me and after hour and hour of trying I opened the cmcline.txt via the retropie

cd /boot/
sudo nano cmdline.txt

Before that I did it only by pulling out the sd card putting in to my pc, changing the cmdline.txt with the windows editor with one space at the end of the line and....... Never worked...

After I took a look in the cmdline.txt via retropie I saw that the "usbhid.quirks=0x16c0:0x05e1:0x040" had two spaces between the last command and was also in the second row of the file. I wonderes an changed it. Bam! That was it! Now 2 Gamepads are detectet and eveything is fine for me. May someone will have the same issue with the cmdline.txt file without recognizing it.

Have a nice christmas!