SiriusVI Posted September 15, 2021 Share Posted September 15, 2021 Hey everyone, I usually play games with Mame in Retroarch, but I've run into a strange problem. When Launching X-Men, the rom starts, but the black screen says "13B Bad" and the game won't actually start. When using the standalone emulator, I don't get the 13B Bad error and the game loads just fine. Also when using Retroarch with a different Version than EBA (e.g. ADA), the game loads fine. Does anyone have any idea what might be causing this? I recently updated to mame 0.235. Core, Roms and CHDs have the same version, so it's not that. I also have the Retroarch System Folder set up perfectly. Quote Link to comment Share on other sites More sharing options...
Lordmonkus Posted September 15, 2021 Share Posted September 15, 2021 Moved thread to appropriate forum section, this is not a LB issue. 1 Quote Link to comment Share on other sites More sharing options...
SiriusVI Posted September 15, 2021 Author Share Posted September 15, 2021 11 minutes ago, Lordmonkus said: Moved thread to appropriate forum section, this is not a LB issue. Thank you, sorry for that! I was able to fix the issue in the meantime. What I did was delete the folder "... \RetroArch\saves\MAME". It contained an eeprom file for xmen which was there from when I played the rom with an older version of mame (core and roms). Glad I was able to figure that out, haha. Quote Link to comment Share on other sites More sharing options...
Lordmonkus Posted September 15, 2021 Share Posted September 15, 2021 There are reasons we never recommend the Mame core in RA over the stand alone version of Mame. While it does work and can work well it just has too many small nagging issues to ever recommend it. Quote Link to comment Share on other sites More sharing options...
SiriusVI Posted September 16, 2021 Author Share Posted September 16, 2021 19 hours ago, Lordmonkus said: There are reasons we never recommend the Mame core in RA over the stand alone version of Mame. While it does work and can work well it just has too many small nagging issues to ever recommend it. I know it's not recommended, but it actually works really well in my opinion. I don't want a lot of software to maintain, so I love Retroarch's all in one approach. Once it is set up, it works really well, I think. This very specific problem sucks of course. It was by pure chance that I figured it out. It's an easy fix however: Everytime you update mame, just delete the folder mentioned above. Quote Link to comment Share on other sites More sharing options...
pash2x4b Posted October 25, 2022 Share Posted October 25, 2022 Just to add to this, if your getting the "13b bad" with xmen 4 player on retropie on raspberry pi3, I needed to delete the xmen.nv file from roms/arcade/fbneo - I had been using FBA but updated to FBneo the romset I had didnt work but this thread got me looking for spurious files and led me to this, as soon as I deleted that file it worked perfectly, so thanks OP! Quote Link to comment Share on other sites More sharing options...
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