bsnes is a multi-platform Super Nintendo (Super Famicom) emulator, originally developed by Near, which focuses on performance, features, and ease of use.
Unique Features
True Super Game Boy emulation (using the SameBoy core by Lior Halphon)
HD mode 7 graphics with optional supersampling (by DerKoun)
Low-level emulation of all SNES coprocessors (DSP-n, ST-01n, Cx4)
Multi-threaded PPU graphics renderer
Speed mode settings which retain smooth audio output (50%, 75%, 100%, 150%, 200%)
Built-in games database with thousands of game entries
Built-in cheat code database for hundreds of popular games (by mightymo)
Built-in save state manager with screenshot previews and naming capabilities
Customizable per-byte game mappings to support any cartridges, including prototype games
7-zip decompression support
Extensive Satellaview emulation, including BS Memory flash write and wear-leveling emulation
Optional higan game folder support (standard game ROM files are also fully supported!)
Advanced mapping system allowing multiple bindings to every emulated input
Standard Features
MSU1 support
BPS and IPS soft-patching support
Save states with undo and redo support (for reverting accidental saves and loads)
OpenGL multi-pass pixel shaders
Several built-in software filters, including HQ2x (by MaxSt) and snes_ntsc (by blargg)
Adaptive sync and dynamic rate control for perfect audio/video synchronization
Just-in-time input polling for minimal input latency
Run-ahead support for removing internal game engine input latency
Support for Direct3D exclusive mode video
Support for WASAPI exclusive mode audio
Periodic auto-saving of game saves
Auto-saving of states when unloading games, and auto-resuming of states when reloading games
Sprite limit disable support
Cubic audio interpolation support
Optional high-level emulation of most SNES coprocessors
Optional emulation of flaws in older emulators for compatibility with older unofficial software
CPU, SA1, and SuperFX overclocking support
Frame advance support
Screenshot support
Cheat code search support
Movie recording and playback support
Rewind support
HiDPI support
Multi-monitor support
Turbo support for controller inputs