Main > Raspberry Pi & Dev Board
$250 How can I output RPI3B+ to show on two serperate monitors MAME / PunchOut!!
keilmillerjr:
I already told you where to start. I don’t know why you continue to go on.
mrclean:
--- Quote from: keilmillerjr on January 25, 2019, 02:58:28 am ---I already told you where to start. I don’t know why you continue to go on.
--- End quote ---
Purchased a VGA GERT666 GPIO to VGA adapter and on it's way...
I can't test it yet again I'm using this on Rapsberry Pi 3b+, someone mentioned that the drivers are already present etc. Also to note I've seen this posted within the instructions which is confusing to me as to this, do I just cut and paste this into the config.txt file:
Technology Support:
Edit /boot/config.txt file with vim.tiny or other editor. and modify as following:
framebuffer_width=800
framebuffer_height=600
dpi_group=2
device_tree=bcm2710-rpi-3-b.dtb
dpi_mode=86
dtparam=i2c_arm=off
dtparam=spi=off
dtparam=uart0=off
dtparam=uart1=off
dtoverlay=pi3-disable-bt-overlay
dtoverlay=vga666
enable_dpi_lcd=1
display_default_lcd=1
force_pwm_open=0
dtparam=audio=on
start_x=1
gpu_mem=128
Note: Please disable the functions of all the GPIO Pins so that it can work properly, 800x600
resolution is highly recommended as higher resolution will slow down your Pi and cost more
RAM Is this just overriding the HDMI the way this is setup ? I want obviously both HDMI out to VGA and GPIO to VGA in order for it to display on both monitors
--- Quote from: barrymossel on January 23, 2019, 11:33:23 am ---Next step would be setting up MAME/RetroArch.
--- End quote ---
What exactly do I need to modify no ones given me definitive instructions within this entire thread on how to do so. Also have not gotten a response to will this setup work in conjunction with MAME Libretro 2003 .78 or Do I need to use MAME .159 aka Libretro 2014 / RetroArch/ if so what needs to be changed within the parameters of the .ini / config files... yet still not one person posted that.
I simply need to know where the "file / config / ini" for MAME what version I need to use for it to work, what needs to be modified for this to work, I'm only using this for the Dual Screen Games and NO other games will be present on the machine. I have access to WinSCP / can connect and modify the .txt / .ini files via notepad++ overwifi / network. I can't modify anything IF i don't know exactly what I need to modify to get this working.
ark_ader:
--- Quote from: mrclean on January 25, 2019, 09:04:13 pm ---
--- Quote from: keilmillerjr on January 25, 2019, 02:58:28 am ---I already told you where to start. I don’t know why you continue to go on.
--- End quote ---
Purchased a VGA GERT666 GPIO to VGA adapter and on it's way...
I can't test it yet again I'm using this on Rapsberry Pi 3b+, someone mentioned that the drivers are already present etc. Also to note I've seen this posted within the instructions which is confusing to me as to this, do I just cut and paste this into the config.txt file:
Technology Support:
Edit /boot/config.txt file with vim.tiny or other editor. and modify as following:
framebuffer_width=800
framebuffer_height=600
dpi_group=2
device_tree=bcm2710-rpi-3-b.dtb
dpi_mode=86
dtparam=i2c_arm=off
dtparam=spi=off
dtparam=uart0=off
dtparam=uart1=off
dtoverlay=pi3-disable-bt-overlay
dtoverlay=vga666
enable_dpi_lcd=1
display_default_lcd=1
force_pwm_open=0
dtparam=audio=on
start_x=1
gpu_mem=128
Note: Please disable the functions of all the GPIO Pins so that it can work properly, 800x600
resolution is highly recommended as higher resolution will slow down your Pi and cost more
RAM Is this just overriding the HDMI the way this is setup ? I want obviously both HDMI out to VGA and GPIO to VGA in order for it to display on both monitors
--- Quote from: barrymossel on January 23, 2019, 11:33:23 am ---Next step would be setting up MAME/RetroArch.
--- End quote ---
What exactly do I need to modify no ones given me definitive instructions within this entire thread on how to do so. Also have not gotten a response to will this setup work in conjunction with MAME Libretro 2003 .78 or Do I need to use MAME .159 aka Libretro 2014 / RetroArch/ if so what needs to be changed within the parameters of the .ini / config files... yet still not one person posted that.
I simply need to know where the "file / config / ini" for MAME what version I need to use for it to work, what needs to be modified for this to work, I'm only using this for the Dual Screen Games and NO other games will be present on the machine. I have access to WinSCP / can connect and modify the .txt / .ini files via notepad++ overwifi / network. I can't modify anything IF i don't know exactly what I need to modify to get this working.
--- End quote ---
As I understand it the GPIO-VGA maxes out at 800x600, which you would have to reduce the HDMI memory on the PI, but in reality you would want 320x240 resolution for the above punch out display.
Make sure you get a 5v 2.5a power supply. Let us know how you get on.
barrymossel:
--- Quote from: mrclean on January 25, 2019, 09:04:13 pm ---
--- Quote from: barrymossel on January 23, 2019, 11:33:23 am ---Next step would be setting up MAME/RetroArch.
--- End quote ---
What exactly do I need to modify no ones given me definitive instructions within this entire thread on how to do so. Also have not gotten a response to will this setup work in conjunction with MAME Libretro 2003 .78 or Do I need to use MAME .159 aka Libretro 2014 / RetroArch/ if so what needs to be changed within the parameters of the .ini / config files... yet still not one person posted that.
I simply need to know where the "file / config / ini" for MAME what version I need to use for it to work, what needs to be modified for this to work, I'm only using this for the Dual Screen Games and NO other games will be present on the machine. I have access to WinSCP / can connect and modify the .txt / .ini files via notepad++ overwifi / network. I can't modify anything IF i don't know exactly what I need to modify to get this working.
--- End quote ---
Apparently no-one has done this on a Raspberry Pi, so no-one apparently has the definitive answer. If you really want this, you should try a little harder yourself I guess.
* Wait for your VGA GERT666 GPIO to VGA adapter to arrive.
* Try to get it to work without RetroPie.
* Google some more on how this dual screen works on Windows Mame and see if this works for Linux (RetroPie) as well. https://www.gameex.info/forums/topic/7958-running-mame-on-secondary-monitor/
* If that doesn't work: Checkout RetroArch settings, read up on their docs. Same for Mame.
mrclean:
--- Quote from: barrymossel on January 29, 2019, 08:29:53 am ---Wait for your VGA GERT666 GPIO to VGA adapter to arrive.
--- End quote ---
I'm still waiting patiently for it, although my tracking for it says "Flight landed in destination country". I figured I'd get a jump on what to do when it arrives.
I'm seriously shocked no ones used a single Raspberry Pi for MAME using dual screens ?! .... I find that hard to believe.
--- Quote ---Google some more on how this dual screen works on Windows Mame and see if this works for Linux (RetroPie) as well.
--- End quote ---
I did use google and still can't figure it out thus why I started a thread on BYOAC directly within the Raspberry Pi sub forum for this very reason asking for help not LMGTFY. This link you provided (to which I've come across prior to posting this):
https://www.gameex.info/forums/topic/7958-running-mame-on-secondary-monitor/
It has a 2nd link within the thread which leads to a dead link. https://www.mamedev.org/source/docs/windows.txt.html
Within that thread on the GAMEEX Forum it talks about: # PER-WINDOW VIDEO OPTIONS Where can I find that using MAME .78 / Libretro 2003 / RetroArch !? Where is the MAME .INI or video options needed to change where in SSH can I find where that config file is. Also no ones answered can I even use what I'm looking to accomplish with MAME .78 Libretro 2003 / RetroArch or do I need to use MAME .159 Libretro 2014 / RetroArch.
Again I'm using a Raspberry Pi3b+
VGA GERT666 GPIO to VGA adapter (awaiting on hardware)
HDMI to VGA adapter (works perfectly on single monitor games)
Libretro 2003 / MAME Set .78
RetroArch
Also to note this is for a SINGLE LOAD / boot ROM (No menus / no front ends etc) . I.E:
Punch Out!!
Super Punch Out!!
PC-10
Arm Wrestling
*The single load is fine where that it will load to just one game / rom that I want it to with a proper psuedo shutdown etc. my entire focus is getting any of the above games to be properly split to their two respective 19'' monitors displaying different pictures as they were originally intended to do so. I'm sure other people will benefit or want to do exactly what I'm looking to accomplish. If someone wants to PM me the info no problem like I said I'm still placing the bounty on it. If someone wants to help and post it publicly great!
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