NESSY

A Nintendo Entertainment System (NES) emulator for the web

Screenshots

Features

• Save states (CTRL+S to save, CTRL+L to load last)
• Customizable controls
• Full Screen mode
• Working audio
• Auto generated ROM backgrounds in the library
• Save state preview in the saves menu
• Supported mappers: NROM (0), MMC1 (1), UNROM (2)

Todo / Ideas

• Support more mappers (3, 4, 118, ...)
• Reduce audio clicks (blip buffer?)
• Use an AudioWorkletNode instead of a scriptProcessor
• Support iNes 2.0 roms
• Time travel mode (Save states recorded at regular intervals)
• Replay mode (Replay all inputs from the start)
• Different color palettes
• Better UX
• VR / 3D mode with sprites in front and bg tiles in the background?
• Compile 6502 instructions to WASM directly?