[Solved] "Remove emulator choice for ROM" item doesn't work?

[marc.tremblay]

In Retropie 4.5 does anybody know how to fix the issue where the launch menu item called "Remove emulator choice for ROM" doesn't work? I can SET an emulator for ROM, but once it's set to anything, I cannot remove it. The only way I found to deal with it is to rename the ROM file to something else so I can choose another emulator. Any ideas why that menu item does nothing?

[KN4THX]

Do you get any Permission Denied errors that flash quickly on the screen when trying to change the emulator?

[marc.tremblay]

No, I get nothing at all displayed, it just instantly refreshes the launch menu and does nothing.

[alrdtakn1]

This would happen to me in the past when I had the run command set to show box art. After I stopped showing box art it would allow me to remove it. However, I haven't tested it since upgrading to 4.5 and have my boxart enabled. I'll test it when I get home.

[marc.tremblay]

I don't even know what boxart is and unless I was very, very tired, I don't think I enabled this ever. I only have had Retropie for 2 days. I'm still installing emulators and trying to get a new version of Mini vMac installed, I didn't mess with anything in Retropie settings yet. If I had enabled this without knowing, how would I proceed to disable it?

[mitu]

Check the permissions on /opt/retropie/configs/macintosh/emulators.cfg - if they're not writeable by the pi user, then no modifications on them will work.
Can you post the file's contents, just to make sure there's nothing wrong with its format ?

[marc.tremblay]

I did not change any file permissions at all.

default = "basilisk"
basilisk = "/opt/retropie/emulators/basilisk/bin/BasiliskII --rom /home/pi/RetroPie/BIOS/BasiliskII-Performa.rom --disk /home/pi/RetroPie/roms/macintosh/Mac\ OS\ 7.5.3.dsk --extfs /home/pi/RetroPie/roms/macintosh --config /opt/retropie/configs/macintosh/basiliskii.cfg"
minivmac = "pushd /opt/retropie/emulators/minivmac; /opt/retropie/emulators/minivmac/minivmac /home/pi/RetroPie/roms/macintosh/Mac\ OS\ 6.0.8.dsk %ROM%; popd"
minivmac-new = "pushd /opt/retropie/emulators/minivmac-new; /opt/retropie/emulators/minivmac/minivmac-new /home/pi/RetroPie/roms/macintosh/Mac\ OS\ 6.0.8.dsk %ROM%; popd"
minivmac2 = "pushd /opt/retropie/emulators/minivmac2; /opt/retropie/emulators/minivmac/minivmac2 /home/pi/RetroPie/roms/macintosh/Mac\ OS\ 7.5.3.dsk %ROM%; popd"
minivmac2-new = "pushd /opt/retropie/emulators/minivmac2-new; /opt/retropie/emulators/minivmac/minivmac2-new /home/pi/RetroPie/roms/macintosh/Mac\ OS\ 7.5.3.dsk %ROM%; popd"

[alrdtakn1]

The box art I am referring to is when you launch a game it shows the scraped image instead of the run command.

[mitu]

@marc-tremblay said in "Remove emulator choice for ROM" item doesn't work?:

I did not change any file permissions at all.

Can you also check the /opt/retropie/configs/all/emulators.cfg ? The associations done by runcommand are stored there.

[marc.tremblay]

@mitu said in "Remove emulator choice for ROM" item doesn't work?:

Can you also check the /opt/retropie/configs/all/emulators.cfg ? The associations done by runcommand are stored there.

Interesting, never edited this file before. Is this a Retropie bug? There seems to be a bunch of NULL characters in the middle of the file?

[mitu]

If it's a bug, it's not something that happens often - I've seen similar problems, but not something that can be reproduced. If it happens regularly and can be reproduced, then we can try and fix it.

[marc.tremblay]

But can you confirm if the NULL characters are abnormal and if I should try to manually remove them from the file or if this is normal behavior and I should not edit this file?

[mitu]

@marc-tremblay I thought you already removed them - yes, that's a simple text file and you can edit it and remove the extra line from it.

[marc.tremblay]

OK, I hereby confirm that removing all the NULL characters from the /opt/retropie/configs/all/emulators.cfg file fixes the issue! Thanks!