bootable x86 snake game in rust

Related tags

Game development snakeos
Overview

SnakeOS

This is the game snake, bootable on a x86_64 CPU, written completely in rust. Its foundation is following the very interesting Writing an OS in Rust blog which I would recommend everybody who is interested in this kind of stuff.

screenshot

Features

  • Play snake on any x86_64 CPU
    • Let's have fun!
  • Dynamic memory management
    • The snake can grow!
  • Interrupt handling
    • We can read the keyboard!
  • Async/Await support
    • We can update the world and read user input at the same time!
  • Only 212kB kernel size
    • You can even put this on a 8-inch floppy disk!

Build it

Use the Makefile to build the game. The only dependencies are podman and buildah which are used to setup the build environment.

make snakeos.img

This will first setup a build container with the necessary dependencies and then build the game.

Alternatively, you can use the rust compiler directly with some tricks applied:

rustup override set nightly
rustup toolchain install nightly
rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
rustup component add llvm-tools-preview
cargo run \
    --release \
    --target x86_64-custom.json \
    -Zbuild-std=core,alloc \
    -Zbuild-std-features=compiler-builtins-mem -- \
        --no-run
ln -sf target/x86_64-custom/release/boot-bios-snakeos.img snakeos.img

To now run the game, you can use the following command:

make run

which will actually run qemu-system-x86_64 --enable-kvm -drive format=raw,file=snakeos.img for you. From here you can use either w, a, s and d or the arrow keys to control the snake.

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Comments
  • README.md: add missing touch instruction for native build

    README.md: add missing touch instruction for native build

    Hi, very cool project! I've added a missing touch instruction to the instructions for building without docker. Otherwise they worked like a charm. I also had to increase the loop from 10000 to 1000000 (100 fold) to actually see the "welcome" message but probably the nicest fix for this is to implement a timer interrupt (didn't read enough of the code to see if that is already done).

    Alon

    opened by alonblade 4
  • Add game 2048

    Add game 2048

    I once followed "Writing an OS in Rust" blog but didn't find out how to build some interesting somethings based this blog. You did a great job, and following your steps, I made game 2048.

    screenshot: 2048

    opened by MoZhonghua 1
  • Boot from usb stuck at

    Boot from usb stuck at "booting (first stage)"

    I copied the image to a USB dongle with

    lsblk # to identify the device "/dev/sd..."
dd if=snakeos.img of=/dev/sd...
sync

    but booting from USB just gets stuck at Booting (first stage) seemingly in an infinite loop

    opened by shadiakiki1986 0
Releases(v0.1.0)
Owner
Tino Rusch
Tino Rusch
GitHub
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