How to use the command 'retroarch' (with examples)

RetroArch is a versatile tool that acts as a frontend for emulators, game engines, and media players. It’s built around the libretro API, which provides a standard interface for emulators and game engines to offer a wide array of gaming options by collecting them under one roof. With its ability to run classic games across several platforms, configure advanced settings, and manage content efficiently, RetroArch is a preferred choice for retro gaming enthusiasts. Below, we delve into practical examples of using the ‘retroarch’ command to harness its functionalities.

Use case 1: Start in the menu mode

Code:

retroarch

Motivation:

Starting RetroArch in menu mode is useful for users wanting a graphical interface to navigate, configure, and launch games and content. It serves as the default mode, catering to users who prefer interactive settings over command-line interactions, facilitating easier transitions between various settings and content without altering configurations manually.

Explanation:

The command retroarch when run without additional options launches the application in its default menu mode. This graphical user interface allows users to easily access settings, load content, and manage configurations without delving into the complexities of command-line options.

Example Output:

Upon execution, the RetroArch menu appears, displaying a navigable interface where options like Load Core, Configuration, and Settings are available for user interaction.

Use case 2: Start in full screen mode

Code:

retroarch --fullscreen

Motivation:

Launching RetroArch in full-screen mode is ideal for gamers who aim for an immersive experience without distractions. It enables users to focus on gameplay or media content fullscreen, providing a more engaging user experience by utilizing the entire display, especially beneficial when running on a dedicated gaming setup.

Explanation:

The --fullscreen option directs RetroArch to enter full-screen mode immediately upon startup. This is particularly desirable when launching the application on displays meant for gaming or entertainment, bypassing the need to toggle full-screen settings manually post-launch.

Example Output:

The entire display is taken over by RetroArch, providing a seamless and dedicated full-screen interface where gaming content can be accessed and played without borders or windows interrupting the view.

Use case 3: List all compiled features

Code:

retroarch --features

Motivation:

Listing all compiled features is beneficial for users and developers who want insight into the capabilities of their RetroArch build. This can include information on enabled emulators, supported codecs, and other module integrations, aiding users in understanding what functionalities are supported in their current setup and better guide troubleshooting or expansion.

Explanation:

The --features flag triggers RetroArch to display a list of all functionalities that have been compiled into its current build. This encompasses various aspects of RetroArch’s flexibility, covering supported peripherals, multimedia capabilities, and additional plugin support.

Example Output:

A detailed list of features supported by the current build of RetroArch, including entries like “Libretro Core: Available,” “Vulkan Enabled,” and “Netplay Supported,” providing a comprehensive overview of the setup’s capabilities.

Use case 4: Set the path of a configuration file

Code:

retroarch --config=path/to/config_file

Motivation:

Using a specific configuration file permits users to quickly apply and switch between different setups or settings profiles. This is crucial for users who manage multiple systems or environments, allowing them to customize their RetroArch experience to match particular hardware, software configurations, or personal preferences effortlessly.

Explanation:

The --config=path/to/config_file option allows RetroArch users to specify the path to a custom configuration file. By doing so, RetroArch applies all settings outlined in the given file upon startup, overriding the default configuration.

Example Output:

RetroArch initializes with settings tailored as per the specified configuration file, adapting its GUI, control schemes, or other user-defined settings accordingly. The functionality and behavior of RetroArch align with the precise configurations stated within the custom file.

Use case 5: Display help

Code:

retroarch --help

Motivation:

Accessing the help documentation from the command line is indispensable for users who need a quick reference for available commands and switches in RetroArch. This is especially useful for beginners or even experienced users unfamiliar with specific command-line options but who seek immediate guidance without needing to delve into external documentation.

Explanation:

The --help argument when used with retroarch instructs the program to display a comprehensive help message outlining all command-line options available, providing context and usage information for each, serving as an onboard reference guide.

Example Output:

A printed list of all possible options and commands available for RetroArch, each accompanied by descriptions and possibly usage syntax, offering quick assistance to users directly within the terminal.

Use case 6: Display version

Code:

retroarch --version

Motivation:

Checking the version of RetroArch is a fundamental procedure for users needing to confirm they are operating a specific build, particularly if troubleshooting or ensuring compatibility with specific libretro cores or modules. Understanding the version can be a prerequisite step when consulting support forums or updating to newer versions.

Explanation:

The --version flag is employed to output the current version number of the RetroArch installation present on a system. This information is crucial for users validating compatibility for cores or preparing environments for additional package installations or upgrades.

Example Output:

The terminal displays succinct information such as “RetroArch 1.9.1”, verifying the specific release or build currently active on the user’s system.

Conclusion:

RetroArch’s command-line functionalities provide powerful and flexible options for starting the application in various modes, accessing compiled features, or setting custom configurations. From adjusting screen modes for immersive gaming experiences to consulting help when needed, each command serves distinct purposes, promoting efficient management of both casual and advanced user scenarios within the RetroArch environment.