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Latest Threads
New CRTSwitchRes update
Forum: Latest News
Last Post: alphanu
09-10-2020, 02:18 PM
» Replies: 0
» Views: 410
MME4CRT on Lubuntu - squi...
Forum: Issues
Last Post: alphanu
09-03-2020, 02:28 PM
» Replies: 1
» Views: 434
MME4CRT on Lubuntu - squi...
Forum: Support
Last Post: alphanu
09-03-2020, 02:26 PM
» Replies: 1
» Views: 480
CRT Turns off when enabli...
Forum: Support
Last Post: Jouster
07-31-2020, 01:23 AM
» Replies: 0
» Views: 362
Over/Under scan adjustmen...
Forum: Latest News
Last Post: alphanu
07-27-2020, 03:12 PM
» Replies: 0
» Views: 367
Got it working, just a fe...
Forum: Support
Last Post: Mizkreant
07-16-2020, 04:23 PM
» Replies: 1
» Views: 520
CRTSwitchres creates reso...
Forum: Support
Last Post: DukeSkinny
06-25-2020, 09:36 AM
» Replies: 2
» Views: 926
MME4CRT Evolution
Forum: Latest News
Last Post: alphanu
06-15-2020, 01:38 PM
» Replies: 0
» Views: 548
PSX on the fly Dynamic re...
Forum: General discussion
Last Post: RuiOrey
01-22-2020, 06:48 PM
» Replies: 2
» Views: 1,859
Official Public Release
Forum: Mubuntu OS Public Release
Last Post: alphanu
01-22-2020, 11:27 AM
» Replies: 22
» Views: 18,679

  What is MME4CRT
Posted by: alphanu - 02-14-2019, 04:58 PM - Forum: Introduction - No Replies

MME4CRT is a fork of RetroArch modded with CRTSwitchRes

The changes made allow you to play on good old CRT televisions. This allows you to play the way it meant to be played. It simulates 15Khz video through your desktop PCs video card. giving you the look and feel on playing a real piece of hardware. It is one of the biggest breakthrough in RetroArch along with others.

It is contently available on the following operating systems:

Windows 32 and 64 bit
Lunux 32 and 64 bit (needs to be running xserver x11) 
Raspbery PI (any distro)

Some features are not currently available on all systems. This is only short term, I will be making sure all system will have the same functionality.

Not all features are merged directly into mainstream RetroArch. So, the only place to get the latest updates and improvement straight away is through this forum or via my Github.

  New Dynamic Super width option and more
Posted by: alphanu - 02-14-2019, 04:43 PM - Forum: Latest News - No Replies

MME4CRT now has a new options 

1. This option uses dynamic widths to output video for most GPUs. This is experimental at the moment but will get a lot better over time. Feedback from every one using it will help to narrow down the best pixel clocks to use on different hardware.

2. X-axis centring. this allows you to re-position the screen so your game stays centred. This is done while keeping the original video size to match original hardware.

I have also modified the porch algorithm for super resolutions to remove the huge over scan.

  Installing 15khz desktop resolution on Linux x11
Posted by: alphanu - 02-14-2019, 08:59 AM - Forum: Knowledge base - Replies (12)

The easiest and best way to perfom this is to create a file in your home directory named ".xprofile" without the quotes.
In this file you will need to add some xrandr command line code. Replacing $output with your output ID that your CRT will be connected to (VGA-0, DVI-1 etc). To find this ID load up a terminal windows and just type "xrandr | grep " connected" | awk '{print$1}' " without the double quotes. this will list all connected devices.

xrandr --newmode "700x480_59.941002" 13.849698 700 742 801 867 480 490 496 533 interlace -hsync -vsync && xrandr --newmode "700x480_59.941002" 13.849698 700 742 801 867 480 490 496 533 interlace -hsync -vsync
xrandr --addmode $output 700x480_59.941002
xrandr --output $output --mode 700x480_59.941002

Or for simplicity you could run my 15hkz installer which can be found here. Will automate this process for you.

  Download and compiling the latest build
Posted by: alphanu - 02-14-2019, 08:17 AM - Forum: Linux Downloads - Replies (2)

If you are already running a Debian flavor of Linux (Ubuntu, Lubuntu, Xubuntu or Debian 9) the simplest way to install MME4CRT is to use This auto script. If you do not have a Debian Linux and wish to take advantage of this script please download and install one of the following.

Lubuntu 16 x64

Lubuntu 16 x86

If you are using Arch Linux Please follow this. You will need to setup you 15khz  desktop res as well. This is in the knowledge base section which can be found here.

$ sudo pacman -Syy
$ sudo pacman -S freetype2
$ sudo pacman -S base-devel
$ sudo pacman -S git
$ git clone https://github.com/alphanu1/MME4CRT
$ cd MME4CRT
$ ./configure
$ make

Iso installers and pre-built images coming soon!

  Donate VIA PalPal
Posted by: alphanu - 02-13-2019, 09:27 PM - Forum: Donations - No Replies

Please don't feel obligated to donate. However, If you wish to help us with MME4CRT project, donations would be much appreciated. Also if you just really enjoy what we bring to you and feel a donation is worthy.

These donations will go to this forum upkeep and on hardware to test on (graphics cards).


<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
<input type="hidden" name="cmd" value="_s-xclick" />
<input type="hidden" name="hosted_button_id" value="AHW6F4CW6UTWS" />
<input type="image" src="https://www.paypalobjects.com/en_GB/i/btn/btn_donate_LG.gif" border="0" name="submit" title="PayPal - The safer, easier way to pay online!" alt="Donate with PayPal button" />
<img alt="" border="0" src="https://www.paypal.com/en_GB/i/scr/pixel.gif" width="1" height="1" />

  RPi MM4CRT Test
Posted by: FreZeeN - 02-13-2019, 09:15 PM - Forum: Issues - Replies (1)

setup: Arcade '90 original cabinet, original '90 Crt 28" intervideo 15khz , Rpi 3b+, Pi2Jamma or JammaPi interface

MME4CRT version:

test 15khz mode:
super resolution 1920: ok no problems
super resolution 2560: retroarch switch resolution than closes later without launch game
super resolution 3840: retroarch switch resolution than closes later without launch game
super resolution Native: no ress switch , result in a black out of sync screen, no command respond, exit command dont work, need to reboot RPi
super resolution Dynamic: retroarch switch resolution than closes later without launch game
X-axis centering: i see a ress switch but image dont move on X-axis, dont work

Big Grin MME4CRT Version for Windows 7 - 8 - 10
Posted by: alphanu - 02-13-2019, 08:54 PM - Forum: Windows Downlaods - No Replies

Download and install RetroArch 1.7.6 as normal. Then download the version you need x86(32bit) or x64 from the following link.


Extract the exe to the RetroArch folder.