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Look at the chair for height reference.

I am working on a older MAME system that has AtomicFE installed, but it seems to be missing ALL of the PNG icons ect for the Front end. Is there a repository I am missing or a Download I could get with these files in it? I have even Downloaded older versions of the Software thinking they were removed in later versions but as far back as I can go there is nothing in the installer that "installs" any icons for the Emulators ect...

Just working out the layout.

I hung the pc from the bottom of the arcade.

Using 3/4 MDF instead of there top.

I hope this is the correct spot for my project that I'm working on.  I'm making a arcade that you can stand up or sit down like at a desk and play. 
The arcade top can go from 28.5" to 55" tall.  It is laid out more for use then looks.

Hey there.  I searched for thr answer but can't find anything anywhere.  I decided to build another machine after something like 13 years and this time I am building a Raspberry Pi-based vertical one player bartop.  I want to keep it small so i am only doing one player controls.  I am using a Zero Delay USB encoder and I am using the Mr. Burns 900 in 1 image, at least to get it up and running.  What I want to do is have both one and two player buttons on the machine.  When I am in a two player game, hit the Player 2 button and then have the two players alternate using the one set of controls.  Any idea how I can do this?  Do I need another encoder?  Is the solution within the Retropi settings or is there something int he emulator I need to change?  The answer is probably very simple but I am not seeing it.  Thanks

Did you find a fix for this issue? I'm having the exact same problem with the latest Teknoparrot.

No there is no fix except for to get an old Teknoparrot the game is broken in any Teknoparrot version probably from 2025. I asked on discord. That's why I was asking if anyone just happened to have an old Teknoparrot that can play it you can't find one on Google and their official site has an old Teknoparrot but it's too old it's before the game was even on there. So either the Teknoparrot devs would have to fix it in a new version or find an old version but that doesn't seem likely.

Hello TEAM :-)

For those interested, I'm offering this modified version of MAME 0.168 which allows you to automatically SAVE the "Slider Refresh Rate" setting of the slider, accessible via the Tab key, and save it in the configuration files (.cfg) of each game.

Binary files for Windows 32-64 (compatible with XP / 7 / 8 / 10 / 11) and source code are available here:

https://github.com/HardCade/hardcade/releases/tag/Mame_slider_refresh_save

Some info from the README:

= ... ======================================================================================

This modified version of MAME 0.168 adds the ability to automatically SAVE the "Refresh Rate" setting of the
SLIDER, accessible via TAB, in the configuration files (.cfg) of each
game.

✓ Allows you to fine-tune all resolutions with extreme precision (3 decimal places)

NOW: The slider setting is saved and restored automatically!

⚠ PREREQUISITE: The "cheats" option must be enabled in the mame.ini file
for the "Screen Refresh Rate" slider to appear.

→ This option is ENABLED BY DEFAULT in this version.

===========================================================================================
VIDEO CONFIGURATION TO FINE THE REFRESH RATE
===============================================================================================================

This version has been configured to facilitate refresh rate adjustment:

✓ Triple Buffering: DISABLED (triplebuffer = 0)
✓ V-Sync: DISABLED (waitvsync = 0)
✓ Filters Video: DISABLED

= ... ===========================================================================================

The settings are saved in: cfg/[game_name].cfg

Example for Double Dragon: cfg/ddragon.cfg

You can open this file with Notepad to see:

<?xml version="1.0"?>
<mameconfig version="10">
<system name="ddragon">
<screen_refresh>
<screen tag=":screen" refresh="60.000000" />

</screen_refresh>
</system>
</mameconfig>

===========================================================================================
FEATURES
========================================================================================================

✓ Automatic saving of the slider refresh rate to the .cfg file
✓ Automatic loading on game startup
✓ Intelligent detection (only modified values ​​are saved)
✓ Accuracy 0.001 Hz (3 decimal places)
✓ Automatic reset when you return to the default value
✓ Compatible with all MAME games
✓ The "Screen Refresh Rate" slider retains its value between sessions

I am looking at the Optiwiz 3 from Groovy Game Gear. Anybody know if I can hook up a U-trak to the Optiwiz 3 using just the stock trackball harness?

You'll need to rearrange the Dupont pins, but that's not difficult.

Put the four data lines in the UTrak Y-axis 1x4 Dupont housing.

Put the 5v lines in a 1x2 housing or two 1x1 housings and put the ground in a 1x1 housing.
- You might have some of these 1x1 or 1x2 housings on computer or breadboard jumpers.
- If you don't have any of them, put the 5v lines in the X-axis 1x4 housing (leave the two un-filled positions hanging over the PCB) and put the ground line on the ground pin without a housing.

Related thread with pinouts and suggested order of steps:
https://forum.arcadecontrols.com/index.php/topic,169793.msg1779749.html#msg1779749


Scott