NeoGeo CD - Romset is unknown. Help?

Danrancan

I am trying to get my NeoGeo CD roms to work on retropie on a Raspberry Pi 4. I have put the bios files in the "BIOS" directory on my roms disk. I have also put the neogeocd roms in the neogeo roms folder.

When I try to load the rom on my Raspberry Pi 4, I get the following message:

Romset is unknown. THIS IS NOT A BUG ! If you don't understand what this message means, then you need to read the arcade and FBNeo documentation at [https://docs.libretro.com](https://docs.libretro.com).

I went to the link it sugested and didn't find any relevant info. Could someone please explain a step by step instruction to get Neogeo CD roms working on retropie?

Thanks.

windg

@Danrancan

Try to launch the game with verbose logging enable and add here the runncommand.log file with the help of pastebin.com .

How to launch the game with verbose logging : https://retropie.org.uk/docs/Runcommand/#launch-with-verbose-logging

mitu

@Danrancan said in NeoGeo CD - Romset is unknown. Help?:

I went to the link it sugested and didn't find any relevant info

https://docs.libretro.com/library/fbneo/#how-do-i-launch-a-neogeo-cd-game. RetroPie already configures the 'subsystem' for FBNeo, you just need to copy the correct .cue/.bin files to the neogeo folder, then - when launching the game - use the runcommand menu to choose the lr-fbneo-neocd emulator.

barbudreadmon

@Danrancan said in NeoGeo CD - Romset is unknown. Help?:

I went to the link it sugested and didn't find any relevant info.

There are relevant infos though : https://docs.libretro.com/library/fbneo/#how-do-i-launch-a-neogeo-cd-game

Long story short, you tried launching a neogeo cd game as if it was an arcade romset.
As @mitu said, retropie's lr-fbneo-neocd is a shortcut for running FBNeo with the --subsystem neocd argument, which is one of the 3 methods to launch neogeo cd games with FBNeo.

Danrancan

@windg said in NeoGeo CD - Romset is unknown. Help?:

pastebin.com

Where can I find the

runncommand.log

file? What is the file location of this?

Danrancan

@barbudreadmon I thought this might be a bios issue but you are telling me its not. Cool. Does NeoGeo CD Even need a bios? If so where do I put it and what is the name of the bios file?

Danrancan

@barbudreadmon said in NeoGeo CD - Romset is unknown. Help?:

https://docs.libretro.com/library/fbneo/#how-do-i-launch-a-neogeo-cd-game

I forgot to mention, My Neo Geo CD Roms are in .chd format. Could that be an issue?

windg

@Danrancan Yes, lr-fbneo-neocd doesn't support .chd files.

The path for the log file is this : /dev/shm/runcommand.log

You can install lr-neocd from experimental packages that support chd files. To use this emulator you have to do 2 steps :

Create a folder named neocd in your BIOS folder and add there the bios files : neocd.zip , neocdz.zip .
Install lr-neocd emulator from experimental packages.

Don't forget to choose the emulator from the runcommand menu.

barbudreadmon

@Danrancan said in NeoGeo CD - Romset is unknown. Help?:

Does NeoGeo CD Even need a bios? If so where do I put it and what is the name of the bios file?

https://docs.libretro.com/library/fbneo/#how-do-i-launch-a-neogeo-cd-game

@Danrancan said in NeoGeo CD - Romset is unknown. Help?:

My Neo Geo CD Roms are in .chd format. Could that be an issue?

https://docs.libretro.com/library/fbneo/#how-do-i-launch-a-neogeo-cd-game