Main > Raspberry Pi & Dev Board
$250 How can I output RPI3B+ to show on two serperate monitors MAME / PunchOut!!
ivwshane:
--- Quote from: keilmillerjr on July 02, 2019, 10:14:08 pm ---Why wait? The new raspbian is out. Use my guide on my github if you need help setting up and compiling. Im not a fan of retropie anyways.
--- End quote ---
Where are you site is this guide located?
keilmillerjr:
--- Quote from: ivwshane on July 27, 2019, 01:36:12 am ---
--- Quote from: keilmillerjr on July 02, 2019, 10:14:08 pm ---Why wait? The new raspbian is out. Use my guide on my github if you need help setting up and compiling. Im not a fan of retropie anyways.
--- End quote ---
Where are you site is this guide located?
--- End quote ---
Same username on github.
https://github.com/keilmillerjr/Raspberry-Pi-MAME-Setup-Guide
Url might change soon. Was thinking about combining repos and adding guides i already made for setting up mame on all operating systems i use. I also have my mame-diffs repo with diffs and precompiled binaries. Would make sense for all same repo. If i get an rpi4 and it can run newer mame, ill provide those binaries too.
mrclean:
I was sick and tired of waiting on the official RPI4 RetroPI software the last NEWS update not counting github was Sept. 6th 2019. I decided to get an unofficial release... I got RetroPi running on the RPI4 with another pre-made image & Still having issues with displaying dual screen (For PC-10 / Punch Out!! etc) which I know the RPI4 is capable of it's just a matter of software, or perhaps I just need to wait for the official release of retropi... this is what's happening:
Upon bootup I see one side is a rainbow, the other shows normal loading stuff:
After a few seconds both monitors display the scrolling retropi / linux startup text prior to loading emulation station:
After that, I launch the game Punch Out, and the monitor on the left hangs and freezes showing lrmame2010 on the right screen the game loads (the resoltion is wrong but that's not my main concern right now):
The hang / lrmame2010 screen shows this fbioput_vscreeninfo Invalid argument:
When exiting the game it shows retro pi working on the right and an error on the left:
The error on the left is invalid group 720 failed to find mixer elements :
The monitors (HAPP) LCD's both work fine
The adapters both work fine
The Rpi4 is working fine
It's a matter of probably a simple line of code / config file. Any one have any more insight into this ?
meyer980:
I don't have an answer for you but want to keep this thread alive since I'd like to do something similar. I've got plans to build a mini Nintendo Red Tent which I'm hoping could be powered by the Rpi4's dual out.
Yenome:
are you using hdmi for audio? try to force it to use hdmi if you havnt already.
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