Fearless-NES
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to-mas-kral
A NES emulator written in Rust
Fearless-NES
Fearless-NES is a work-in-progress Nintendo enterntainment system emulator written in Rust.
Screenshots
Features
- Cycle-accurate CPU emulation
- Very accurate PPU emulation
- Basic mapper support
- Basic GUI
- Save states
- Gamepad support
- Controllable overscan
- Game loading using the NES 2.0 XML Game Database
- Custom key bindings and mouse cursor auto-hide
Build instructions:
- Install Macroquad dependencies if you use Linux.
- Build with
cargo run --releaseand enjoy !
Accuracy
For accuracy tests, see TESTS.md. Run these with 'cargo test'.
Supported mappers
| Mapper | Example Games |
|---|---|
| 0 (NROM) | Super Mario Bros, Donkey Kong, Balloon fight |
| 1 (MMC1) | Final Fantasy, Legend of Zelda, Mega Man 2 |
| 2 (UxROM) | Castlevania, Mega Man, Contra |
| 3 (CNROM) | Solomon's Key, Arkista's Ring |
| 4 (MMC3)* | Kirby's Adventure, Mega Man 3-6, Ninja Gaiden II: ... |
| 7 (AxROM) | Battletoads, Jeopardy! |
- Some MMC3 games like Mega Man III have major graphical issues, but SMB3 a Kirby's adventures do work.
With these mappers, Fearless-NES supports 84 % of commercial NES games.
TODO
-
[ ] (frontend) user-defined RGB palettes
-
[ ] (frontend) NTSC filter
-
[ ] (core) iNES 2.0 support
-
[ ] (core) rest of the APU
-
[ ] (core) advanced mappers such as MMC5, VRC2/4...
-
[ ] (core) various accuracy tests
-
[ ] (dev) better (and more) integration tests
Controls
Keyboard
| NES controller | Keyboard |
|---|---|
| A | F |
| B | D |
| Select | Space |
| Start | Enter |
| Up | ArrowUp |
| Down | ArrowDown |
| Right | ArrowRight |
| Left | ArrowLeft |
Gamepad
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