Rustual Boy - A Virtual Boy emulator.
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Rustual Boy is a Virtual Boy emulator. It can be used to play existing Virtual Boy games, as well as be a helpful development/debugging tool for homebrew for this platform.
The name "Rustual Boy" is a portmanteau of the words "Rust" and "Virtual Boy". Ok, the "Virtual Boy" part was obvious, but why "Rust"? In fact, Rustual Boy is written in the Rust programming language - a "systems programming language that runs blazingly fast, prevents segfaults, and guarantees thread safety." Rust is a wonderful language with a thriving community, and as such provides a fantastic platform for an emulation project!
Rustual Boy is currently able to emulate all commercial Virtual Boy titles, as well as many homebrew ones. It supports basic video/audio output and keyboard input, and also a simple CLI debugger. It runs on Windows, MacOS, Linux, and likely some other platforms Rust supports.
While Rustual Boy's core emulation is complete compatibility-wise, and in some respects is already one of the more accurate VB emulators available, the project is still young, and needs some time to mature. Particularly, its user interface is lacking (read: virtually non-existent), and there are some known (and probably unknown) stability/compatibility issues. Also, performance isn't fantastic yet, but the emulator should be playable at least.
Key: - 💖: Fully compatible. The game is fully playable with no known bugs (to our knowledge). - 💔: Playable. The game can be played, but has some minor known glitches (described in the notes field). - 🚫: Incompatible. The reason is described in the notes field. -
N/A: Game does not exist for this region.
Games marked 💖 and 💔 are all included in the compatibility metric.
| Game | USA | JP | Notes | | --- | --- | --- | --- | | 3-D Tetris | 💖 | N/A | | | Bound High! | 💖 | N/A | ROM is both USA+JP | | Galactic Pinball | 💔 | 💔 | Vocal samples throughout the game play at the wrong rate, likely related to CPU clock cycle inaccuracy | | Golf | 💔 | 💔 | Game transitions to demo mode WAY too fast, sometimes softlocks when transitioning to/from demo mode | | Insmouse No Yakata | N/A | 💖 | | | Jack Bros. | 💖 | 💖 | | | Mario Clash | 💖 | 💖 | | | Mario's Tennis | 💖 | 💖 | | | Nester's Funky Bowling | 💖 | N/A | | | Panic Bomber | 💖 | 💖 | | | Red Alarm | 💖 | 💖 | | | SD Gundam Dimension War | N/A | 💖 | | | Space Invaders Virtual Collection | N/A | 💖 | | | Space Squash | N/A | 💖 | | | Teleroboxer | 💔 | 💔 | Small audio glitches during screen transitions after demo mode wins games | | V-Tetris | N/A | 💖 | | | Vertical Force | 💖 | 💖 | | | Virtual Bowling | N/A | 💔 | Samples play at the wrong rate | | Virtual Boy Wario Land | 💔 | 💔 | Game is fully playable, but some parts of the intro cutscene are too dark, due to inaccurate emulation of the physical LED periods used in the display | | Virtual Fishing | N/A | 💖 | | | Virtual Lab | N/A | 💖 | | | Virtual League Baseball | 💖 | 💖 | | | Waterworld | 💖 | N/A | |
Currently, the only dependency for building is Rust itself, which can be downloaded here. Once that's installed, you can clone the repo, and simply
cargo runyour way to victory! It's recommended to use the
--releaseflag as well, as emulation can require a lot of CPU power, so we'll want all the compiler help we can get.
Note: If you're new to using Cargo (Rust's build system), it's recommended to give the Cargo Guide a quick skim.
Rustual Boy has a very simple CLI interface:
$ rustual-boy-cli --help Rustual Boy 0.2.0 ferris , The Rustual Boy contributors A CLI frontend to the Rustual Boy emulator
USAGE: rustual-boy-cli.exe [FLAGS]
FLAGS: -s, --sram Path to an SRAM -h, --help Prints help information -V, --version Prints version information
ARGS: The name of the ROM to load
The easiest way to run a game is to supply a single file argument:
The Virtual Boy game pad consists of two d-pads, 4 buttons, and two shoulder buttons. These are mapped to the following keyboard keys:
| Button | Key | | --- | --- | | Left D-Pad Up | W | | Left D-Pad Down | S | | Left D-Pad Left | A | | Left D-Pad Right | D | | Right D-Pad Up | I | | Right D-Pad Down | K | | Right D-Pad Left | J | | Right D-Pad Right | L | | Select | space | | Start | enter/return | | A | F | | B | H | | Left bumper | E | | Right bumper | U |
For game pad layout reference, refer to this image. This key map is currently non-configurable.
Rustual Boy aims to be an open project where anyone can contribute. If you're interested, check CONTRIBUTING.md!
Licensed under either of
at your option.