GameRoy: a cross platform and highly accurate Game Boy emulator

• gameroy

  6 257 8.5 Rust

  A Game Boy emulator, disassembler and debugger, written in Rust

• metroboy

  19 1,089 6.7 C++

  A repository of gate-level simulators and tools for the original Game Boy.

First I would try to deduce the timing from this gate-level simulation of the game boy, but the master branch was broken at the time, so I didn't manage to compile it. So, I tried deducing it from its underling reverse engineered schematics, but it would take too much time, if it even was possible.

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• DMG-CPU-Inside

  4 308 10.0

  Reverse-engineered schematics for DMG-CPU-B

First I would try to deduce the timing from this gate-level simulation of the game boy, but the master branch was broken at the time, so I didn't manage to compile it. So, I tried deducing it from its underling reverse engineered schematics, but it would take too much time, if it even was possible.

• SameBoy

  4 1,505 9.1 C

  Game Boy and Game Boy Color emulator written in C

So, what I have finally tried was figure out the timing from another emulator, in this case SameBoy, which appears to be the most accurate game boy emulator. In the end, I copy the timing from its ppu state maching, and its interrupt handling code. Took a lot of time figuring out how it was working.

• pandocs

  7 1 10.0 Vue

  New home of the infamous Pan Docs historical document: the single, most comprehensive Game Boy technical reference (by corybsa)

For Gameboy emulation, one of the most valuable resources are the pandocs: https://gbdev.io/pandocs/

• raw-gl-context

  1 0 10.0 Rust

  cross-platform OpenGL context creation (by Rodrigodd)

Probably it is crashing while creating the OpenGL context. I am using a fork of raw-gl-context, that is heavily unsafe, whose upstream is unmaintained, and don't have a proper error handling. Or it could be crashing a little after that, in my sprite-render crate, which is also very unsafe, and was written when I was far less experience with unsafe Rust, and don't have proper error handling either.

• sprite-render-rs

  1 1 3.8 Rust

  A Rust Crate for Sprite Rendering (WIP)

Probably it is crashing while creating the OpenGL context. I am using a fork of raw-gl-context, that is heavily unsafe, whose upstream is unmaintained, and don't have a proper error handling. Or it could be crashing a little after that, in my sprite-render crate, which is also very unsafe, and was written when I was far less experience with unsafe Rust, and don't have proper error handling either.

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• glutin

  8 1,935 7.3 Rust

  A low-level library for OpenGL context creation, written in pure Rust.

  

But I think this will be solved when I switch back the GL context creation to glutin (thankfully, version 0.30 will decouple from windows creation), and I rewrite sprite-render.

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