nestalgia_rs

A (to-be performant) Rust-based emulation of the Nintendo Entertainment System, rendered with macroquad.

Features

• NES 6502 implementation
• Basic PPU function

Runs...

ROM	Status
Pac-man	✅
Balloon Fight	crashes after 3rd room?
Donkey Kong	✅
nestest	✅
The Legend of Zelda	❌
Final Fantasy	❌

Building

Copy a ROM into the repo and change the filename in main.rs. Then, navigate to src and run

• cargo build --release
• cargo run --release.

I'm planning on implementing nicer UI later.

Roadmap

• CPU
  • Official instructions
  • BUS
  • Unofficial instructions
  • Cycle accuracy
• Cartridges
  • iNES format
  • Mapper 1
• PPU
  • PPU registers
  • NMI interrupt
  • Background rendering
  • Foreground rendering
  • Scrolling
  • Correct DMA behavior
• UI
  • Controller mappings
  • FPS
• APU
  • APU
• Testing/docs
  • 6502 test suite
  • Blargg CPU/PPU tests
  • Docs