¶ 
License
This core is under GPLv2 license.
¶ 
Compatibility
| RPI0/RPI1 | RPI3 | RPI4/RPI400 | RPI5 | ODROID XU4 | OGA/OGS/RG351 | PC | RG353 |
|---|---|---|---|---|---|---|---|
| ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
¶ 
Features
| Feature | Supported |
|---|---|
| Restart | ✔ |
| Screenshots | ✔ |
| Core Options | ✔ |
| Controls | ✔ |
| Remapping | ✔ |
| Disk Control | ✔ |
¶ 
BIOS
¶ List od mandatory bios
| Filename | Description | MD5 | Provided |
|---|---|---|---|
| iplrom.dat | BIOS X68000 | 7fd4caabac1d9169e289f0f7bbf71d8e | ✅ |
| cgrom.dat | Font file | cb0a5cfcf7247a7eab74bb2716260269 | ✅ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 keropi
┃ ┃ ┃ ┃ ┣ 🗒 iplrom.dat
┃ ┃ ┃ ┃ ┣ 🗒 cgrom.dat
¶ List of optional bios
| File | Description | MD5 | Provided |
|---|---|---|---|
| iplrom30.dat | BIOS X68000 #2 | f373003710ab4322642f527f567e020a | ❌ |
| iplromco.dat | BIOS X68000 #3 | cc78d4f4900f622bd6de1aed7f52592f | ❌ |
| iplromxv.dat | BIOS X68000 #4 | 0617321daa182c3f3d6f41fd02fb3275 | ❌ |
¶ Location
Put the bios like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 keropi
┃ ┃ ┃ ┃ ┣ 🗒 iplrom30.dat
┃ ┃ ┃ ┃ ┣ 🗒 iplromco.dat
┃ ┃ ┃ ┃ ┣ 🗒 iplromxv.dat
¶ 
Roms
¶ Supported extensions
Roms must have the extension:
- .dim
- .img
- .d88
- .88d
- .hdm
- .dup
- .2hd
- .xdf
- .hdf
- .cmd
- .m3u
- .zip
- .7z
This system supports compressed roms in .zip/.7z format. However, be careful, it is only an archive.
The files contained in the .zip/.7z must correspond to the extensions mentioned above.
Moreover, each .zip/.7z file must contain only one compressed rom.
¶ Location
Put the roms like this:
┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 roms
┃ ┃ ┃ ┣ 📁 x68000
┃ ┃ ┃ ┃ ┣ 🗒 game.zip
The roms using TOSEC format are highly recommended.
For more information about roms, 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 |
|---|---|---|---|
| Menu Font Size | normal ✅ / large |
px68k_menufontsize |
normal / large |
| CPU Speed | 10MHz ✅ / 16MHz / 25MHz / 33MHz (OC) / 66MHz (OC) / 100MHz (OC) / 150MHz (OC) / 200MHz (OC) |
px68k_cpuspeed |
10MHz / 16MHz / 25MHz / 33MHz (OC) / 66MHz (OC) / 100MHz (OC) / 150MHz (OC) / 200MHz (OC) |
| RAM Size (Restart) | 1MB / 2MB / 3MB / 4MB ✅ / 5MB / 6MB / 7MB / 8MB / 9MB / 10MB / 11MB / 12MB |
px68k_ramsize |
1MB / 2MB / 3MB / 4MB / 5MB / 6MB / 7MB / 8MB / 9MB / 10MB / 11MB / 12MB |
| Use Analog | Disabled ✅ / Enabled |
px68k_analog |
disabled / enabled |
| P1 Joypad Type | Default ✅ / CPSF-MD (8 Buttons) / CPSF-SFC (8 Buttons) |
px68k_joytype1 |
Default / CPSF-MD (8 Buttons) / CPSF-SFC (8 Buttons) |
| P2 Joypad Type | Default ✅ / CPSF-MD (8 Buttons) / CPSF-SFC (8 Buttons) |
px68k_joytype2 |
Default / CPSF-MD (8 Buttons) / CPSF-SFC (8 Buttons) |
| P1 Joystick Select Mapping | Default ✅ / XF1 / XF2 / XF3 / XF4 / XF5 / OPT1 / OPT2 / F1 / F2 |
px68k_joy1_select |
Default / XF1 / XF2 / XF3 / XF4 / XF5 / OPT1 / OPT2 / F1 / F2 |
| ADPCM Volume | 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 ✅ |
px68k_adpcm_vol |
0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 |
| OPM Volume | 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 ✅ / 13 / 14 / 15 |
px68k_opm_vol |
0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 |
| Mercury Volume | 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 ✅ / 14 / 15 |
px68k_mercury_vol |
0 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 |
| Swap Disks on Drive | FDD1 ✅ / FDD0 |
px68k_disk_drive |
FDD1 / FDD0 |
| Save FDD Paths | Disabled / Enabled ✅ |
px68k_save_fdd_path |
disabled / enabled |
| Save HDD Paths | Disabled / Enabled ✅ |
px68k_save_hdd_path |
disabled / enabled |
| Rumble on FDD Reads | Disabled ✅ / Enabled |
px68k_rumble_on_disk_read |
disabled / enabled |
| Joy/Mouse | Mouse ✅ / Joystick |
px68k_joy_mouse |
Mouse / Joystick |
| VBtn Swap | TRIG1 TRIG2 ✅ / TRIG2 TRIG1 |
px68k_vbtn_swap |
TRIG1 TRIG2 / TRIG2 TRIG1 |
| No Wait Mode | Disabled ✅ / Enabled |
px68k_no_wait_mode |
disabled / enabled |
| Frames Skip | Full Frame ✅ / 1/2 Frame / 1/3 Frame / 1/4 Frame / 1/5 Frame / 1/6 Frame / 1/8 Frame / 1/16 Frame / 1/32 Frame / 1/60 Frame / Auto Frame Skip |
px68k_frameskip |
Full Frame / 1/2 Frame / 1/3 Frame / 1/4 Frame / 1/5 Frame / 1/6 Frame / 1/8 Frame / 1/16 Frame / 1/32 Frame / 1/60 Frame / Auto Frame Skip |
| Push Video before Audio | Disabled ✅ / Enabled |
px68k_push_video_before_audio |
disabled / enabled |
| Adjust Frame Rates | Disabled / Enabled ✅ |
px68k_adjust_frame_rates |
disabled / enabled |
| Audio Desync Hack | Disabled ✅ / Enabled |
px68k_audio_desync_hack |
disabled / enabled |
¶ 
External links
- Source code used: https://github.com/libretro/px68k-libretro/
- Libretro documentation: https://docs.libretro.com/library/px68k/