https://github.com/lennarthennigs/rg35xx-h-notes
How to install and set up Batocera v40 on the Anbernic RG35XX-H.
https://github.com/lennarthennigs/rg35xx-h-notes
anbernic anbernic-rg35xx-h batocera knulli retrogaming rg35xx-h
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How to install and set up Batocera v40 on the Anbernic RG35XX-H.
- Host: GitHub
- URL: https://github.com/lennarthennigs/rg35xx-h-notes
- Owner: LennartHennigs
- License: other
- Created: 2024-05-17T16:00:14.000Z (about 1 year ago)
- Default Branch: main
- Last Pushed: 2025-01-31T08:29:15.000Z (4 months ago)
- Last Synced: 2025-01-31T09:27:17.375Z (4 months ago)
- Topics: anbernic, anbernic-rg35xx-h, batocera, knulli, retrogaming, rg35xx-h
- Homepage:
- Size: 74.2 KB
- Stars: 24
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/funding.yml
- License: LICENSE
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README
# Batocera on the RG35XX-H
This is a living document describing what I learned setting up and running **Batocera v40** on the [Anbernic RG35XX-H](https://anbernic.com/products/rg35xx-h).
**Update**: This files is also applicable to **Knulli** versions and the **RG40XX-H**.
This file will most likely contain errors and vague information. You might not like how I describe things. I am sorry. Also, I can't be held responsible if you break things by following this.Nor will I share with you ROMS, BIOS, or any other files. Ask Google instead.
If you find this information helpful please consider giving it a ⭐️ at GitHub. \
Maybe [buy me a ☕️](https://ko-fi.com/lennart0815).
Look at the [CHANGELOG](https://github.com/LennartHennigs/RG35XX-H-Notes/blob/main/CHANGELOG.md) to see recent changes to this document.
*Note*: This guide is standing on the shoulder of Giants. Many of the tips here come from [beanioz on Reddit](https://www.reddit.com/r/RG35XX_Plus/comments/1b2zcyk/batocera_a_few_tips/) and other people on [Reddit](https://www.reddit.com/r/RG35XX_H/).
## Table of Contents
- [Introduction](#introduction)
- [Setting Up The Device](#setting-up-the-device)
- [Controls](#controls)
- [The SD Card](#the-sd-card)
- [BIOS Files](#bios-files)
- [ROM Files](#rom-files)
- [Workflow for Adding Content](#workflow-for-adding-content)
- [Setup and Optimize Emulators](#setup-and-optimize-emulators)
- [Configuring Ports](#configuring-ports)
- [Tools](#tools)
- [Bluetooth](#bluetooth)
- [Some Terms / What is](#some-terms--what-is)
## Introduction
- Batocera is a Linux-based custom firmware (CFW) for retro gaming for multiple devices/platforms.
- There is now a port for the Anbernic RG35XX-H, the current version is: [Batocera rg35xx-cfw V40](https://github.com/rg35xx-cfw/rg35xx-cfw.github.io/releases/tag/rg35xx_plus_h_batocera_20240306).
- It provides a better experience than the stock firmware.
### Pros and Cons of Batocera
- Batocera offers more functionality than the stock firmware.
- Its is "prettier" than the other custom firmwares, e.g. **[MuOS](https://muos.dev/)**.
- Batocera v40 is 32-bit firmware. MuOs run 64-bit code. hus, MuOs is a bit more optimized towards the chip set.
- [PortMaster](https://portmaster.games/) will not run on Batocera v40, as it runs on 64-bit code.
- There is now a 64-bit port of Batocera available in an Alpha version for the RG35XX-H called **[Knulli](https://knulli.org/)**. It supports PortMaster but not all emulators are ported yet. But it has the potential to provide a similar if not better experience than Batocera v40.
## Setting Up The Device
Follow these steps to set up get Batocera v40 running on your device. I tried to put the steps in a helpful order - so best follow them along...
### Installing Batocera on the RG35XX-H
- Download Batocera for RG35XX-H called [rg35xx-cfw](https://github.com/rg35xx-cfw/rg35xx-cfw.github.io/releases).
- Flash the firmware to a (new!) SD card (e.g., use [BalenaEtcher](https://etcher.balena.io/)).
- Put the SD card in the device (left slot).
- Turn on the device (`Long-press on Power Button`).
- *The device will now update the file structure on the SD card*.
- Consider setting up WiFi (see below).
- Shut down the device (`Menu > Quit > Shutdown`).
### Setting up WiFi
- `Main Menu > Network Settings`.
- `Main Menu > System Settings > Frontend Developer Options > Enable web API access`.
- Now you can find your device in your network.
- IP Address: `Main Menu > Network Settings`.
- You can now also download themes and enable scraping and other tools that need an Internet connection.
- In addition you can now find your device in your network.
- You can **mount** the device to copy data, **connect via SSH** or the **Emulation Station Web Service**: \
`http://[ip address]:1234`.
- Username and password is: `root/linux`.
**Note**: The device has problems to connect to 5GHz and guest networks.
### Download Themes
- A recommended theme is `Art-Book-Next-ES`: \
`Main Menu > Updates & Downloads > Themes > Art-Book-Next-ES`
- Enable your theme: \
`Main Menu > User Interface Settings > Theme Set`
### Enable Scraping
- A scraper can download game information to your device.
- You do need an active internet connection for this.
- Register an account at [screenscraper.fr](https://www.screenscraper.fr/).
- Enter your credentials at `Main Menu > Scraper`.
### Enable Retro Achievements
- Get a login at [retroachievements.org](https://retroachievements.org).
- Enter your credentials: `Main Menu > Game Settings > RetroArchievements Settings`.
### Update the ROM List on Each Boot
- `Main Menu > Games Settings > Netplay Settings > Index New Games`
### Overclock
- `Main Menu > System Settings > Overclock`
### Audio Settings
- You can disable the in-menu music in `Main Menu > Sound Settings > Frontend Music`.
- Consider disabling `Enable Navigation Sounds`and `Enable Video Preview Audio`there, too.
- If you get no sound after you connected the console via HDMI, you need to reset the audio output:
- Go to: `Main Menu > System Settings > Audio Output`.
- Select `AudioCodec` and confirm. And then go back to `Auto`.
- [Batocera > Controller](https://wiki.batocera.org/supported_controllers)
## Controls
### General Navigation
| Button | Function |
|-|-|
| `POWER` | Long press to turn on. When turned on, click for stand-by. |
| `START` | Menu |
| `F + VOLUME` | Change brightness |
| `B` | OK / Select |
| `A` | Cancel / Back |
| `F + POWER` | Quick Shutdown (not saving meta data) |
| `R3 / L3` | Next / Previous Song (Frontend Music) |
- `A`+ `B` button assignment can be switched: \
`Main Menu > System Settings > Frontend Developer Options > Switch Confirm & Cancel Buttons in EmulationStation`. I recommend doing so.
- Shutdown the device: `Main Menu > Quit > Shutdown System > Yes` or press `F + POWER`.
#### Links
- [Batocera > Controls Overview](https://wiki.batocera.org/basic_commands).
### Main Menu
| Button | Function |
|-|-|
| `START` | Quick Access |
| `L1 / L2` | Previous emulator |
| `R1 / R2` | Next emulator |
| `Y` | Quick Search |
| `B` | Side Menu |
### Game List
| Button | Function |
|-|-|
| `SELECT` | View Options |
| `L1 / R1` | Page list up / down |
| `L2 / R2` | Previous / next emulator |
| `X` (long press) | Add / remove to Favorites |
| `A` (long press) | Edit meta data / Edit keyboard config |
### Quick Load / Save
- In most emulators pressing `F + Y` or `F + X` will safe or load a games' state-
- There is a list of slots you can safe games, too. You select the slot via `F + UP / DOWN`.
- But you can also load a saved state when you are in the game list.
- In the game list press `X` to show the saved state list.
- Press `A` to load a state, `Y`to delete one, and `B` to cancel.
### In-game (GB, GBA, GB Color, NES, SNES, Sega, PSX)
- *TBD: PSP*
| Button | Function |
|-|-|
| `F + START` | Exit Game |
| `F + RIGHT` | Fast Forward |
| `F + L1` | Take Screenshot |
| `F + UP / DOWN` | Select Quick Save Slot |
| `F + Y` | Quick Save Game |
| `F + X` | Quick Load Game |
| `F + A` | Reset Game |
| `F + R2 / L2` | Select Shader |
| `F + B` | Emulator Menu|
**Note**: To see the screenshots you took in the menu, run `Main Menu > Games Settings > Update Game List`. Then you will have a "Screenshots" section in your main menu.
### In-game Nintendo DS
| Button | Function |
|-|-|
| `R2` | Toggle Display View Mode |
| `L2 + R2` | Toggle Single Double View Msode |
### In-game MAME
| Button | Function |
|-|-|
| `LEFT` | Insert coin (not sure if this a pre-set) |
| `A` | OK / Select |
| `B` | Cancel / Back|
| `L3` | Emulator Menu |
| `F + Y` | Quick save game |
| `F + X` | Quick load game |
| `F + A` | Reset game |
| `F + R2` | Take screenshot |
| `F + L2 / F + R2` | Select Shader |
### Other Controls
See the [Ports](#setting-up-and-running-ports) and the [Tools](#tools) section.
### Mapping Keys to Pad Buttons For a Single Game
- You can define keys to be mapped to buttons (for keyboard controlled system, e.g. Amstrad).
- To see the current configuration `SELECT > View Pad to Keyboard Information`.
- To edit it: `A (long press) > Edit PadToKey Profile`.
- This will create a configuration file in your `roms/` folder, either a `.p2k.cfg`or a `.keys` file.
- `.p2k.cfg` files have a [config style format](https://wiki.recalbox.com/en/advanced-usage/pad-to-keyboard).
``` cfg
0:select = j ;; Joystick
```
- `.keys` files are in [JSON files](https://wiki.batocera.org/remapping_controls_per_emulator).
``` json
{
"actions_player1": [
{
"trigger": "select",
"type": "key",
"target": "KEY_J",
"description": "Joystick"
}
]
}
```
- It seems that the `.keys` file takes precedence over the `.k2p.cfg` one.
- You can also create a key config file manually in the folder. Use the name of the rom/port and append the suffix.
- You can then add descriptions to the key definitions. Both examples above add "Joystick" as a description.
- In the `.k2p.cfg` files the buttons are called `EAST`, `WEST`. In the `.keys` they are called `A`, `Y`.
- In the `.key` files `L1`and `R1` are called `page up` and `page down`.
### Amstrad
- The emulator used is [Caprice32](https://docs.libretro.com/library/caprice32/).
- Fire and movement will automatically recognized as joystick input.
- Therefore, don't map keyboard navigation to the joysticks or the D-PAD keys.
- Bind the virtual keyboard (`F9`) to `the left analog stick click` for all of Amstrad, in case you need other keys. \
`Game Setting > Per System Advanced Configuration > Amstrad CPC > Edit PadToKey Profile > Left Stick Press = F9`
- Only assign the keys you need to select (e.g. joustick or single player mode) and start a game. \
When game selected: `A (long press) > Create/Edit PadToKey Profile`
- **FYI**: Amstrad's *return* key does not equal to the `Enter` key. I have not found a way to map this to it.
## The SD Card
- The SD card has two partitions: `BATOCERA` and `SHARE`. We will only concern ourselves with the `SHARE` partition.
- On `SHARE` are the folders for adding content onto the device.
- The `bios/` folder is the place where to add BIOS files (see below).
- The `roms/` folder contains folders for the different emulators for your games. Most of the folder names are self-explanatory.
## BIOS Files
- Some Emulators need BIOS files to run.
- Check for missing/needed BIOS files via: \
`Main Menu > Game Settings > Missing Bios Check`. \
You can also select `All` to see all possibly needed ROM files.
- Or [see all needed ROMS](https://github.com/batocera-linux/batocera.linux/blob/master/package/batocera/core/batocera-scripts/scripts/batocera-systems) here.
- Find them online...
- Copy them in the `bios/` folder of your SD card.
- Turn on the device.
- Check if they are correct: \
`Main Menu > Game Settings > Missing Bios Check`
## ROM Files
- Find them online...
- Copy your files in the different `roms/` folders.
- Put your games files in the correct emulator folders.
- Check the `_ìnfo.txt` files in each `roms/` subfolder for information on file format and folder structure to set things up.
- See below a list of specific game port folders.
## Workflow for Adding Content
- Copy files on the SD card (either from your computer or via WiFi).
- Remove Apple's dot files, if needed (see below).
- Eject all mounted partitions.
- Put card in RG35XX-H.
- Power on the device.
- Run the Scraper \
`Main Menu > Scraper > Scrape Now`
- Update the Game List \
`Main Menu > Games Settings > Update Game List`
- Play!!
**Note**: Alternatively, you can also connect to your device via your network and mount the `share/` folder if it is connected via WiFi. Copy your filed, update the game list, scrape, and update again.
### Removing Apple's Dot Files
- On a Mac, you can run `dot_clean /Volumes/SHARE`.
- I also suggest to create a [.dot_clean](#dot_clean) script in your `ports` folder.
## Setup and Optimize Emulators
- This section explains for the "non-trivial" emulators (e.g. *DOS* or *Daphne* are being set up).
- For a list of in-game controls take a look at the [Controls](#controls) section.
### Nintendo 64
- You need to change the default emulator to make games run smooth.
- Go to `Game Settings > Per System Advanced Configuration > Nintendo 64`.
- Set `Emulator: Mupen64Plus:RICE`.
- Set `Power Mode: High Performance`.
- Set `Game Aspect Ration: 4:3`.
#### In-game Controls
- I have not found a way yet to access the hotkey menu or to Quick Load or Quick Save.
|Button|Function|
|-|-|
| `F + START` | Exit Game |
| `F + RIGHT` | Fast Forward |
| `F + A` | Reset Game |
| `F + L1` | Take Screenshot |
- To switch the `A` and `B` buttons edit the `system\configs\mupen64\input.xml` file:
``` xml
```
### DOS
- There are different DOS emulator that you can choose. Per default `DOSBox Pure` is used.
- Copy a game folder to `roms/dos/`.
- Add `.DOS` to the end of the folder name.
- If there is a `dosbox.conf`file in the game folder, its settings will be applied.
- If there is a `dosbox.bat`file in the game folder, it will be executed.
- If you start the game without a `dosbox.bat`file, you will get the start menu where you can select a file as the default executable. Use the right joystick and the `Y`key to select a file. You can also select a timeout, where the first X frames after starting a game are not shown.
- After selecting an executable it will be run and file called `AUTOBOOT.DBP` will be created.
- If you press `L3`, a keyboard overlay will be shown.
- On the top-left of the overlay keyboard there is an option to manual map keys. I think this is preferable to use the Batocera key mapping.
| Button | Function |
|-|-|
| `L3` | Show Keyboard (and Keyboard Mapper button) |
| `LEFT JOYSTICK` | Mouse |
| `F + UP /DOWN` | Load / Save |
| `F + RIGHT` | Fast Forward |
| `Y` | OK |
#### Links
- [Batocera > DOSBox Pure](https://wiki.batocera.org/systems:dos)
- [DOSBox Pure](https://github.com/schellingb/dosbox-pure)
- [`dosbox.conf` Settings](https://www.dosbox.com/wiki/Dosbox.conf)
### Daphne
*TBD*
## Setting up and Running Ports
### Port Folders
This is a list of existing port folders/emulators available on the Batocera CFW by default.
|Port Folder|Game|
|-|-|
| [`cannonball`](https://wiki.batocera.org/systems:cannonball)| Out Run - Sega Arcade |
| [`devilutionx`](https://wiki.batocera.org/systems:devilutionx) | Diablo & Diablo Hellfire |
| [`eduke32`](https://wiki.batocera.org/systems:eduke32)| Duke Nukem 3D |
| [`fallout1-ce`](https://github.com/alexbatalov/fallout1-ce) | Fallout 1 |
| [`fallout2-ce`](https://github.com/alexbatalov/fallout2-ce) | Fallout 2 |
|[`mrboom`](https://wiki.batocera.org/systems:mrboom)| Bomberman|
|`ports`| Linux games|
| [`prboom`](https://wiki.batocera.org/systems:prboom?s[]=doom) | Doom 1 & Doom 2 |
|[`quake3`](https://ioquake3.org/)|Quake 3|
| `scummvm` | Scumm Engine for Games like Monkey Island |
| [`sdlpop`](https://wiki.batocera.org/systems:sdlpop?s[]=sdlpop)| Prince of Persia |
| [`tyrquake`](https://wiki.batocera.org/systems:tyrquake?s[]=tyrquake) | Quake 1 |
| [`vitaquake2`](https://github.com/libretro/vitaquake2)| Quake 2 |
| [`xash3d_fwgs`](https://wiki.batocera.org/systems:xash3d_fwgs) | Half-Life Engine |
- Here is a link to a complete list of [available systems of Batocera Linux](https://wiki.batocera.org/systems), which will be larger than for the RG35XX-H, but still might be helpful.
## Configuring Ports
Always start by reading the `_info.txt` file in the emulators folder.
### Diablo 1 & Diablo Hellfire - Devilutionx
- Copy `DIABDAT.MPQ` from the CD or Diablo-installation to `roms/devilutionx/` folder.
- To run the Diablo: Hellfire expansion you will need to also copy `hellfire.mpq`, `hfmonk.mpq`, `hfmusic.mpq`, `hfvoice.mpq`.
| Button | Function |
|-|-|
| `B` | OK / Select, Use Skill |
| `A` | Cancel / Back, Use Weapon |
| `X` | Pick up item |
| `Y` | Use Spell |
| `Left D-Pad` | Movement |
| `Right D-Pad` | Mouse |
| `START` (pressed) | In-Game Menu |
| `START` (pressed) | Spells |
| `START + F` | Show items |
| `L1` | Use Health Potion |
| `R1` | Use Mana Potion |
| `L2` | Character |
| `R2` | Inventory |
| `R2` | Toggle Map |
- You cannot edit the key definitions in the `Advanced System Options`.
- You can edit the key definitions in the Game: `Settings > Padmappig`. In there `A` and `B`, and `X` and `Y` are reversed.
- There is also a Playstation version of Diablo. Controls are nicer but graphics are more "blocky" it runs a bit less smooth.
#### Links
- [Batocera > DevilutionX](https://wiki.batocera.org/systems:devilutionx)
### Duke Nukem 3D - eDuke32
- Create folder called `duke` in `roms/eduke32/` and copy `DUKE3D.GRP` into it.
- Create file `Duke_Nukem_3D.eduke32` in `roms/eduke32/`.
- Add line `FILE = /duke/DUKE3D.GRP` to it.
| Button | Function |
|-|-|
| `B` | OK / Select |
| `A` | Cancel / Back |
| `R2` | Fire |
| `X` | Kick |
| `L1` | Duck |
| `L2` | Jump |
| `R1` | Permanent ducking |
| `Left D-Pad` | Movement |
| `Right D-Pad` | Look |
| `SELECT` | Map |
| `START` | Main Menu |
| `F + X` | Load |
| `F + Y` | Save |
| `F + START` | Exit Emulator |
- You can edit the key definitions in the game: `Options > Control Setup > Controller Setup > Button Assignment`. In there `A` and `B`, and `X`and `Y` are reversed.
#### Links
- [Batocera > eduke32](https://wiki.batocera.org/systems:eduke32)
### Fallout 1 - fallout1-ce
- Copy the following files from your Fallout game into the `rom/dallout1-ce` folder:
- `master.dat`
- `critter.dat`
- `data/` folder
- Create an empty file called `Fallout.f1ce`.
- Initially, only the right joystick works in the game.
- Therefore, you need to define your own keys: \
Go to the Fallout entry in the Ports section `A (long press) > Edit PadToKey Profile`
- Suggested key definition:
| Button | Function |
|-|-|
| `D-PAD-UP` | Cursor Up |
| `D-PAD-DOWN` | Cursor Down |
| `D-PAD-LEFT` | Cursor Left |
| `D-PAD-RIGHT` | Cursor Right |
| `START` | `ENTER` |
| `SELECT` | `ESC` |
| `EAST`| Mouse Left|
| `SOUTH`| Mouse Right|
| `NORTH` | `S` |
| `WEST` | `I` |
| `LEFT SHOULDER` | `TAB` |
| Left Stick Press | Mouse Left |
| Right Stick Press | Mouse Left |
| Emulate Mouse Cursor | Left Analog Stick |
#### Links
- [Fallout Keyboard Shortcuts](https://steamuserimages-a.akamaihd.net/ugc/309990526093281327/20609414CD0D89A8776E89A49A9B9A9A90D71E39/)
- [Fallout CE](https://github.com/alexbatalov/fallout1-ce)
### Fallout 2 - fallout2-ce
*TBD*
### Doom 1 & Doom 2 - PRBOOM
- Place the `.WAD` files of Doom 1 and/or in the `roms/prboom/` folder.
- Supported wads (non exhaustive list) are from Doom 1, Doom 2, The Ultimate Doom, The Plutonia Experiment, TNT: Evilution.
| Button | Function |
|-|-|
| `A` | OK / Select |
| `B` | Cancel / Back |
| `X` | Fire |
| `Left D-PAD` | Movement |
| `L1 / R1` | Strave |
| `L2 / R2` | Change weapon |
| `R3` | Turn around |
| `START` | Main Menu |
| `SELECT` | Map |
| `F + Y` | Quick save game |
| `F + X` | Quick load game |
| `F + A` | Reset game |
| `F + B` | Emulator menu (in here `B` is `OK`) |
| `F + R2` | Take screenshot |
| `F + L2 / F + R2` | Select Shader |
- You can edit the key in the game: `F + B`, `Controls > Port 1 Controls`
### ScummVM
- [ScummVM](https://www.scummvm.org/) is an emulator for adventures such as Monkey Island.
- Store games in the `roms/scummvm/` folder.
- Each game has a unique ID. You can find all games and their ID in the [compatibility list](https://www.scummvm.org/compatibility), e.g. use `atlantis` for **Indiana Jones and the Fate of Atlantis**.
- Create a folder for each game and copy files into it
- Inside the folder create a file `[id].scummvm` for each game you want to add. To be sure also write put id into the file.
- To see what the required files for a game are take a look at the [supported games list](https://wiki.scummvm.org/index.php?title=Category:Supported_Games).
| Button | Function |
|-|-|
| `LEFT D-PAD` | Mouse |
| `START` | Main Menu |
| `SELECT` | Main Menu |
| `A` | OK / Select |
| `X` | Skip |
| `L2` | Settings, e.g. Save |
#### Links
- [Batocera > ScummVM](https://wiki.batocera.org/systems:scummvm)
- [Libretro > ScummVM](https://docs.libretro.com/library/scummvm/)
### Quake 1 - tyrquake
*TBD*
### Half-Life - xash3d_fwgs
- Create a folder `Half-Life`.
- Copy the contents of `Half-Life/valve` in there
- Create a folder called `Half-Life.game`. Keep in empty
| Button | Function |
|-|-|
| `B` | OK / Select |
| `A` | Cancel / Back |
- You can view and change the controls in the game:`Configuration > Controls`. In there `A` and `B`, and `X`and `Y`are reversed.
#### Links
- [Batocera > xash32_fwgs](https://wiki.batocera.org/systems:xash3d_fwgs)
## Tools
### OD Commander
It is pre-installed on the device and can be found in the *Port* section.
| Button | Function |
|-|-|
| `A` | Cancel / Back |
| `B` | OK / Select |
| `SELECT` | Toggle selection of files |
| `START` | Open the folder in the other tab |
| `LEFT / RIGHT` | Toggle active tab |
| `X` | File actions, e.g. Delete |
| `Y` | General actions, e.g. Quit |
| `L1 / R1` | Page up / down |
#### Links
- [Batocera > OD Commander](https://wiki.batocera.org/od_commander)
### .dot_clean
- Lets add a simple script that deletes all Mac dot_files.
- Create a file called `.dot_clean.sh` in `roms/ports/` with the following content:
``` sh
#!/bin/bash
# remove all ._* files from the system
find /userdata/ -name "._*" -exec rm {} \;
```
- Next, update the Game List: \
`Main Menu > Games Settings > Update Game List`
## Bluetooth
For connecting a bluetooth device follow these steps:
- Go to `Main Menu > Controller & Bluetooth settings > Pain Bluetooth Pads Automatically`.
- Alternatively, run a manual detection and select your device.
- Enable pairing mode on your device.
- You you will get a notification when the device is paired to the console.
### Connecting a Bluetooth Controller
- Follow the steps above.
- Turn on Bluetooth mode on your controller (e.g. `Y + START` on an *8bitdo* Controller).
- Enable pairing mode on your controller.
- Run the `Controller Mapping`.
- Adjust the `Player Assignments` to use the controller, e.g.:
- `P1 > Controller`
- `P2 > #0 Deeplay-Keys`
### Using Bluetooth Audio
- Connect the audio device as described above.
- Select the bluetooth audio device as audio output: \
`Main Menu > System Settings > Hardware > Audio Output > [Device]`
### Connecting other Bluetooth Devices
You can also pair keyboards and mice as described above.
## Some Terms / What is
- **Batocera Linux**: An open-source operating system designed specifically for retro gaming, transforming any computer or single-board device into a gaming console. It includes a variety of pre-configured emulators and tools, making it easy to set up and use.
- **CFW (Custom Firmware)**: Modified firmware that enhances the capabilities and features of a device beyond what the original manufacturer provided. In the context of retro gaming, CFW allows for custom emulation setups and additional functionalities.
- **Batocera for RG35XX-H**: A version of Batocera Linux tailored for the RG35XX-H handheld gaming device, optimized for performance and compatibility with the specific hardware, providing a seamless retro gaming experience.
- **EmulationStation**: A graphical front-end for organizing and launching games on various emulators. It provides a user-friendly interface for retro gaming systems and works in conjunction with Batocera Linux to offer a streamlined gaming experience.
- **Libretro**: A lightweight, modular API that enables the creation of multi-system emulators. It serves as the backbone for many emulation projects and integrates with EmulationStation, allowing it to run a wide variety of emulators through a standardized interface.
These components work together to create a cohesive retro gaming system, where Batocera Linux provides the foundation, EmulationStation offers the interface, and Libretro supports the underlying emulation functionality.