¶ 
License
This core is under LGPLv3 license.
¶ 
Compatibility
| RPI0/RPI1 | RPI3 | RPI4/RPI400 | RPI5 | ODROID XU4 | OGA/OGS/RG351 | PC | RG353 |
|---|---|---|---|---|---|---|---|
| ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
¶ 
Features
| Feature | Supported |
|---|---|
| ✔ |
¶ 
BIOS
¶ List of mandatory bios
| Filename | Description | MD5 | Provided |
|---|---|---|---|
| neocd.bin | CDZ BIOS (MAME) | f39572af7584cb5b3f70ae8cc848aba2 | ❌ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 neocd
┃ ┃ ┃ ┃ ┣ 🗒 neocd.bin
¶ List of optional bios
| Filename | Description | MD5 | Provided |
|---|---|---|---|
| uni-bioscd.rom | Universe BIOS CD 3.3 | 08ca8b2dba6662e8024f9e789711c6fc | ❌ |
| top-sp1.bin | Top Loader BIOS (MAME) | 122aee210324c72e8a11116e6ef9c0d0 | ❌ |
| front-sp1.bin | Front Loader BIOS (MAME) | 5c2366f25ff92d71788468ca492ebeca | ❌ |
| neocd_sz.rom | CDZ BIOS (SMKDAN 0.7b DEC 2010) | 971ee8a36fb72da57aed01758f0a37f5 | ❌ |
| neocd_z.rom | CDZ BIOS | 11526d58d4c524daef7d5d677dc6b004 | ❌ |
| neocd_st.rom | Top Loader BIOS (SMKDAN 0.7b DEC 2010) | f6325a33c6d63ea4b9162a3fa8c32727 | ❌ |
| neocd_t.rom | Top Loader BIOS | de3cf45d227ad44645b22aa83b49f450 | ❌ |
| neocd_sf.rom | Front Loader BIOS (SMKDAN 0.7b DEC 2010) | 043d76d5f0ef836500700c34faef774d | ❌ |
| neocd_f.rom | Front Loader BIOS | 8834880c33164ccbe6476b559f3e37de | ❌ |
| 000-lo.lo | ZOOM Rom | fc7599f3f871578fe9a0453662d1c966 | ❌ |
| ng-lo.rom | ZOOM Rom | e255264d85d5765013b1b2fa8109dd53 | ❌ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 neocd
┃ ┃ ┃ ┃ ┣ 🗒 uni-bioscd.rom
┃ ┃ ┃ ┃ ┣ 🗒 top-sp1.bin
┃ ┃ ┃ ┃ ┣ 🗒 front-sp1.bin
┃ ┃ ┃ ┃ ┣ 🗒 neocd_sz.rom
┃ ┃ ┃ ┃ ┣ 🗒 neocd_z.rom
┃ ┃ ┃ ┃ ┣ 🗒 neocd_st.rom
┃ ┃ ┃ ┃ ┣ 🗒 neocd_t.rom
┃ ┃ ┃ ┃ ┣ 🗒 neocd_sf.rom
┃ ┃ ┃ ┃ ┣ 🗒 neocd_f.rom
┃ ┃ ┃ ┃ ┣ 🗒 000-lo.lo
┃ ┃ ┃ ┃ ┣ 🗒 ng-lo.rom
¶ 
Isos
¶ Supported extensions
Isos must have the extension:
- .bin/.cue
- .iso/.cue
- .img/.cue
- .chd
¶ Location
Put the isos like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 roms
┃ ┃ ┃ ┣ 📁 neogeocd
┃ ┃ ┃ ┃ ┣ 🗒 game.cue
┃ ┃ ┃ ┃ ┣ 🗒 game.bin
For more information about isos, go to this tutorial!
¶ 
Advanced configuration of the emulator
To be able to keep your custom configurations during an upgrade, we advise you to use our configuration override feature.
¶ Accessing to options
You can configure various options in two different ways.
- Via RetroArch menu:
┣ 📁 RetroArch Menu
┃ ┣ 📁 Core options
┃ ┃ ┣ 🧩 Name_option
- Via the file
retroarch-core-options.cfg:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 system
┃ ┃ ┃ ┣ 📁 configs
┃ ┃ ┃ ┃ ┣ 📁 retroarch
┃ ┃ ┃ ┃ ┃ ┣ 📁 cores
┃ ┃ ┃ ┃ ┃ ┃ ┣ 🧩 retroarch-core-options.cfg
¶ Core options
| Options | Options values | Variables (for configuration override) | Variables values |
|---|---|---|---|
| Region | Japan ✅ / USA / Europe |
neocd_region |
Japan / USA / Europe |
| BIOS Select | front-sp1.bin (Front Loader) ✅ / neocd.bin (CDZ) / neocd_f.rom (Front Loader) / neocd_sf.rom (Front Loader, SMKDan 0.07b), neocd_st.rom (Top Loader, SMKDan 0.07b) / neocd_sz.rom (CDZ, SMKDan 0.07b) / neocd_t.rom (Top Loader) / neocd_z.rom (CDZ) / top-sp1.bin (Top Loader) / uni-bioscd.rom (CDZ, Universe 3.3) |
neocd_bios |
front-sp1.bin (Front Loader) / neocd.bin (CDZ) / neocd_f.rom (Front Loader) / neocd_sf.rom (Front Loader, SMKDan 0.07b), neocd_st.rom (Top Loader, SMKDan 0.07b) / neocd_sz.rom (CDZ, SMKDan 0.07b) / neocd_t.rom (Top Loader) / neocd_z.rom (CDZ) / top-sp1.bin (Top Loader) / uni-bioscd.rom (CDZ, Universe 3.3) |
| CD Speed Hack | Enabled ✅ / Disabled |
neocd_cdspeedhack |
enabled / disabled |
| Skip CD Loading | Enabled ✅ / Disabled |
neocd_loadskip |
enabled / disabled |
| Per-Game Saves (Restart) | Disabled ✅ / Enabled |
neocd_per_content_saves |
disabled / enabled |
¶ 
External links
- Source code used: https://github.com/libretro/neocd_libretro/