Main > Raspberry Pi & Dev Board
$250 How can I output RPI3B+ to show on two serperate monitors MAME / PunchOut!!
mrclean:
--- Quote ---Well if you insist. You can drive a usb monitor (should be fast enough) or buy gpio vga. Retroarch will recognize the second display, not sure about emulationstation. Lots of info on it on reddit. Gpio vga is the cheapest route.
--- End quote ---
I'm using two of the same 19'' VGA input monitors. they are not USB monitors thus I'll need to use GPIO to VGA. So I've seen those adapters that you speak of which I had no idea you can output video via the GPIO pins sounds promising... And they are relatively inexpensive as you describe.
I found this one (is this the right item I need?!) :
However it comes down to telling MAME / RetroArch / Libretro 2003 (again using MAME .78) the Raspberry Pi3b+ software what I want to do. What .ini / config / setting do I need to tell the Raspberry Pi3b+ to say ;
-Display 1 is the main lower picture (Monitor #1) via HDMI out on the Pi to VGA adapter
-Display 2 is the upper picture (Monitor #2) via GPIO out to VGA
Getting that adapter is one thing as far as the hardware that's needed, can any one walk me through the software end of things ?
--- Quote from: nitrogen_widget on January 15, 2019, 01:38:30 pm ---I stopped there and didn't try using mame in that way so it may work.
--- End quote ---
I know MAME is capable of outputting to two seperate monitors just not sure if anyone has done this via RaspberryPi3b+ in conjunction with the set up I have.
**I'm going to offer a $50.00 PayPal Bounty if someone can get this going how I described, Once I get it going 100% I will send you the 50.00 PayPal Bounty. Ideally someone can post for everyone to share this info in the future as I'm sure I'm not the only one looking to do this. In theory I can physically send out my RasperryPI3b+ / micro SD Card / Power Adapter / along with the GPIO to VGA adapter. I won't send two Monitors because it's too heavy and too expensive to ship etc.** Ideally I wouldn't need to send out my stuff and someone can properly walk me through it. I will only be paying one person the $50 bounty.** No external links to other sites, all done via BYOAC. I've been a member of BYOAC for just about 13 Years now so I'm not sure if that's something I can do in years past that knoweldge was provided for free, but I just want this done figure i'd put out some incentive. If i can't post this mods let me know... just trying to help out someone who's helping me etc.
keilmillerjr:
Start with Gert VGA 666. Buy it from a distributor who prebuilds them. You can not use hdmi and rca at the same time, but I believe you could use one of the two with usb or gpio solutions. You will need to set up a second frame buffer in the firmware config. Not sure on the parameter to pass to mame. I have compiled current mame on raspbian lite with rPi 3b+. It’s slow. Compiled AdvanceMAME. It runs fine. It’s based on mame 0.106. Check if it has multi monitor support. If not, you need a pc.
mrclean:
--- Quote from: keilmillerjr on January 18, 2019, 04:49:07 am ---Start with Gert VGA 666. Buy it from a distributor who prebuilds them. You can not use hdmi and rca at the same time, but I believe you could use one of the two with usb or gpio solutions.
--- End quote ---
Yep this I was aware of, but thanks for posting / contributing to the thread.
--- Quote --- You will need to set up a second frame buffer in the firmware config. Not sure on the parameter to pass to mame. I have compiled current mame on raspbian lite with rPi 3b+. It’s slow. Compiled AdvanceMAME. It runs fine. It’s based on mame 0.106. Check if it has multi monitor support. If not, you need a pc.
--- End quote ---
Again, I'm looking to do this with MAME set .78 Libretro 2003 / RetroArch. Is that possible ? IF that version does not support dual screens i'd be using .159 Libretro 2014. / RetroArch, Raspberry Pi3b+. I'm not intending on using a PC, it's RPi3B+ or bust.
Any one else familiar with setting up this way with ;
rpi3b+
MAME 2003/ .78 SET
Libretro
RetroArch
Two VGA monitors
PC-10 or PunchOut!! / Arm Wrestling / Super PunchOut!!
What do I need to modify for this to work using hdmi to vga in (obviously just need an adapter single monitor works fine as it should) and in conjunction use the GPIO pins to output to VGA to a secondary monitor. I have access to WinSCP / The MAME ini files which ones need to get changed, does the pi settings need to have a change or strictly MAME ?!
ark_ader:
Use that $50 paypal and get a used PC off Newegg. Or if you are not into that, you could get some tweezers and start pulling your hairs out of legs/ears/nose/whatever is painful to you as this is all you are going to get. Don't get me wrong, the pi is great but what you are asking for is next to stupid.
Do us all a favor and get this. :cheers:
mrclean:
--- Quote from: ark_ader on January 18, 2019, 03:41:46 pm ---Use that $50 paypal and get a used PC off Newegg. Or if you are not into that, you could get some tweezers and start pulling your hairs out of legs/ears/nose/whatever is painful to you as this is all you are going to get. Don't get me wrong, the pi is great but what you are asking for is next to stupid.
Do us all a favor and get this. :cheers:
--- End quote ---
I don't think what I'm asking is next to stupid. Regardless of your opinion I'm still looking for anyone who can / know how to get this going as I had explained in a previous post. I don't want to use windows nor anything with a HDD. Appreciate an alternative but I'm certain this can be done with Rpi3b+.
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