Open /opt/retropie/configs/n64/emulator.cfg and replace 640x480 with 854x480 and 320x240 with 427x240. Also open mupen64plus.cfg in the same directory and set the right aspect (16/9 or stretch) under section GLideN64.

@pjft yes, but once it freezes you can't do anything. I had it happen to me and once you get stuck on the same update line for a long time, nothing brings you back. You have to interrupt it before it freezes.

@sselph Sorry, the problem was my own ineptitude. I was typing "/opt/retropie/supplementary/scraper" when running it, I missed a directory in there. Problem resolved. Thanks for the response!

@jaydeesox
For some reason the menu defaults to the dvi cable. Once unplugged this issue goes away and reverts to HDMI only

@badwolf said in Need help with running MGS on playstation:

i havent learned about the bios for games where should i be placing it

Why not? https://retropie.org.uk/docs/Playstation-1/ It seems you still have not read the link you agreed to read when you signed up and which is at the top of the page and which I linked above:
https://retropie.org.uk/forum/topic/3/read-this-first

where should i be placing it and getting it?

https://retropie.org.uk/forum/topic/2/forum-rules also, @Aryetis told you not to ask this. Please read the very detailed documentation provided.

@Swain224

Unfortunately, the guide I linked to above is about as easy as it gets and there's no GUI. If you have the basics in place, adding a button combination with the 'B' and 'A' set to act as 'start' would look like:

--ui-buttonmap b+a=start

It should be noted that the learning curve for all this is pretty high. However, it does get easier over time if it's something you want to explore. Also, while handy for Emulation Station, this really wouldn't be ideal for game play, as there are plenty of times where any two buttons will need to be pressed to trigger a game event and the game will only ever see your chosen combination as being the 'start' button. Of course, the mapping can be disabled once a game is launched, so there are possible work-arounds, but you're always going to be at a disadvantage with so few buttons.

That's correct meleu. I don't necessarily want to change who is player one and player 2. I'm just trying to be lazy and not have to get out player one joystick to use the hotkeys. Thank you all again for your responses. Great community we have here, always so helpful and responsive it restores my faith a but in humanity.

Thanks. That fixed it.

@chip

As long as you stick to systems that use a directional pad and two buttons or less, you shouldn't have any problems whatsoever. Fortunately you have a pretty big variety there with nes, sms, pcengine, gameboy/color, gamegear, ngpc and just about every atari option, as well as a pretty big selection of arcade titles.

@Atomize It's impossible to assist without the information requested in:
https://retropie.org.uk/forum/topic/3/read-this-first

cable extensions wont draw any additional power

You should definitely try the Duplicate Files Deleter Program

Here's a list off all games that support FM sound:
http://segaretro.org/FM_Sound_Unit

I think it depends on which scraper you use. The build in scraper doesn't care about countrys when using thegamesdb as source (because thegamesdb doesn't have multiple variations of covers).
Universal XML Scraper has that feature but i believe it depends on a setting in the tool what cover to scrape and not the filename. In UXS you can also select if you want plain gamenames or have (USA) etc included.
And i have no idea what sselphs can do.

Thanks for the reply. I just tried with a second controller, but while the SteelSeries controller is connected it seems to affect all other inputs. I can't seem to control anything until I disconnect the SteelSeries one.

The only controllers that I have been able to get working are the keyboard, and a wired controller. My goal was to get a pair of bluetooth controllers working, I just haven't had much luck yet.

Can you post commands used to mount external USB HDD. I'm running roms off usb and made folder structure on USB. /home/pi/RetroPie/roms/atari2600/images but retropie doesn't use them. So I assume it must be that I didn't mount it.

thank you, I will do that! I appreciate your response.

Mounting manually to:
"sudo mount /dev/sda1 /media/usb" (instead of usb0)
and restarting emulationstation doesn't trigger USB ROM Service as well.

Also checked other pen drive. Same issue. Checked same raspberry pi with other OS on other card (OSMC). No issue. It's strictly Retropie OS issue!

Thanks for the help guys! I ran the df -h and it looks like I have 27 gigs left if im reading it correctly and moving the games over by usb drive worked like a charm.

Had the exact same issues.
Tried switching my keyboard settings. Tried the WiFikey.txt file. Tried switching to a higher power power supply. All to no avail.
Also flashed raspbian to my 'Zero W'... Same problems "no network adapters found". What started to ring bells was that also the Bluetooth adapter wasn't found.

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Thanks for sending me the wrong thing www.kiwi-electronics.nl
FML, that was one perfectly good Friday eve wasted. ;)