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rboy
- Question: why do Rust programmers always put "made in Rust" in a project description?
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Hacker News top posts: Sep 24, 2021
RBoy: A Gameboy Emulator in Rust\ (39 comments)
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RBoy: A Gameboy Emulator in Rust
For those looking to see an example of the match expressions:
https://github.com/mvdnes/rboy/blob/9f6b3bc47311ba687326bfff...
This process of matching on opcode and doing a marginally different version of the same basic few operations on one of a set of registers is something that is _much_ easier to do when you're able to see all the opcodes and activities in a densely packed set of lines like this.
(The start of the opcodes that I linked are not the best example of this, but they get more regular the further down the file you go. See https://github.com/mvdnes/rboy/blob/9f6b3bc47311ba687326bfff... )
Beyond knowing that they exist, I haven't explored macros in rust, but I'm curious if they could be of help here. But using cargo fmt, and spreading each of those lines into 3-10 lines would be awful, and would definitely lead to me making mistakes and not noticing typos.
- A Gameboy Color Emulator in Rust
cerboy
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RBoy: A Gameboy Emulator in Rust
I'm working on one too! Just got to the milestone of being able to scroll the Nintendo® logo. I refer to rboy a lot, it's been helpful to see another implementation.
https://github.com/percentcer/cerboy
What are some alternatives?
Mimic - A Gameboy emulator written in Rust
elk - A low footprint JavaScript engine for embedded systems
mooneye-gb - A Game Boy research project and emulator written in Rust
gba - A crate that helps you make GBA games