Wiki/wiki-rtd/docs/wiki_development/general/debug-mode.md
2024-03-07 07:23:17 +01:00

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# RetroDECK Debug Mode
## RetroDECK in Debug Mode
You can use the flatpak shell for debugging from bash by using the following command:
```
flatpak run --command=bash net.retrodeck.retrodeck
```
NOTE: on wayland in some cases it's needed to enter with the command above otherwise some emulators will not run:
```
flatpak run --command=sh --nosocket=fallback-x11 --socket=x11 net.retrodeck.retrodeck
```
This is can be used as a `RetroDECK Debug Mode`.
---
## Launch ES-DE in Debug Mode:
From the RetroDECK Debug Mode use the following command to open ES-DE in Debug Mode.
```
es-de --debug --home /var/config/
```
---
## List runnable components in Debug Mode
RetroDECK consists of a variety of features all called components.
These consists of emulators, game engines, other software or functions.
You can list all the available components via the command:
```
ls /app/bin
```
---
### How to run a component?
Just type the compoants name directly into the flatpak shell CLI.
Example:
- `retrodeck` launches full RetroDECK.
You can also launch specific components by running them, example:
- `retroarch` launches RetroArch.
This is useful when for example a game is not starting and you want the output printed in the terminal.
---
## Run a component with a specific game or content
The easiest way is to run:
```
es-de --debug --home /var/config/
```
Then start or try to start the game or content you want to debug.
ES-DE will spit out two important values `Raw emulator launch command` & `Expanded emulator launch command`.
### Raw emulator launch command
This tell you the dynamic pathing to the core file + rom file.
Example output of amstrad game being launch via the RetroArch core:
```
Raw emulator launch command:
Debug:
%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/cap32_libretro.so %ROM%
```
This tells that the Emulator that is launched is retroarch and the core is cap32 via the selected `%ROM%`
### Expanded emulator launch command:
This is the fullcommand to launch the file
Example output of the game above, a game called Dank Rider:
```
Expanded emulator launch command:
Info:
/app/bin/retroarch -L /app/share/libretro/cores/cap32_libretro.so /home/deck/retrodeck/roms/amstradcpc/1001\ BC\ (1984)(Dank Rider)(fr).zip
```
### Deeper per game / contant debugging
If we want to debug a game or content copy and run the full `Expanded emulator launch command` from above.
Example debugging of Dank Rider:
```
/app/bin/retroarch -L /app/share/libretro/cores/cap32_libretro.so /home/deck/retrodeck/roms/amstradcpc/1001\ BC\ (1984)(Dank Rider)(fr).zip
```
This will give you the raw RetroArch output.