SwiftNES

[WIP] Cross-platform NES Emulator written in Swift

Requirements

• Swift 5.0.1 later
• SDL2
• GD Graphics Library
• libsoundio

Roadmap

CPU

• [x] Registers
• [x] Memory map
• [x] Addressing modes
• [x] Official operations
• [x] Unofficial operations
• [x] Interrupt handlers
• [x] Disassembler + nestest logging

PPU

• [x] Registers
• [x] Memory map
• [x] Background rendering
  • [x] hardware accurate emulation
• [x] Sprite rendering
  • [ ] hardware accurate emulation
• [x] Sprite zero hit
• [x] DMA
• [x] Other flags
• SDL
  • [x] Rendering by line buffer

APU

• [x] Pulse wave channels
• [x] Triangle wave channel
• [x] Noise channel
• [x] Sampling by DMC

The implementation has been completed but sounds are strange...

Controllers

• Standard Controller
  • [x] Keyboard
  • [ ] Joypad

Cartridge, Mappers

• [x] Parse iNES file
• [x] Support mapper 0

Tools

• [ ] Debugger

Goals

Run and play games in cartridges I bought in childhood.

• [ ] 『スーパーマリオブラザーズ』(Super Mario Bros.)

• [ ] 『スーパーマリオブラザーズ3』(SUPER MARIO BROS. 3)

• [ ] 『4人打ち麻雀』(Four Player Strike Mahjong)

• [ ] 『ゼルダの伝説』(The Legend of Zelda)

• [ ] 『戦場の狼』(Commando)

• [ ] 『迷宮組曲 ミロンの大冒険』(Milon's Secret Castle)

• [ ] 『わんぱくダック夢冒険』(DuckTales)

• [ ] 『ドラえもん ギガゾンビの逆襲』(Doraemon: Giga Zombie no Gyakushū)

• [ ] 『ワリオの森』(Wario's Woods)

• [ ] 『エグゼドエグゼス』(EXED EXES)

• [ ] 『ワギャンランド3』(Wagan Land 3)

• [ ] 『ヨッシーのクッキー』(Yoshi's Cookie)

• [ ] 『ぷよぷよ』（Puyo Puyo）

Author

thara