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About This File

The emulator has been temporarily removed from our download database, as it has been flagged with a virus. We have double checked with the developer's website and confirmed that it's an issue on their end. Until the emulator is re-released clean, the download will be unavailable here on 1Emulation.


no$sns © Martin Korth

nocash SNES/SFC emulator/debugger for windows



  • The program is 100% assembler code. Accuracy should be quite high (if not: bug are reports welcome).
  • Controllers: 1-2 Joypads, Multitap, Mouse, Lightguns (via mouse), NTT Data Pad, X-Band Keyboard, Twin Tap's, Barcode Battler, Pachinko Dial, Exertainment Bike
  • Coprocessors: SA-1, GSU, DSP, ST010/11, CX4, OBC1, S-DD1, SPC7110, S-RTC, RTC-4513, SFC-Box, NSS arcade cabinet
  • Add-ons: Satellaview, Turbofile (TFII and STF)
  • Debugger: Assembler, Disassembler, Xboo-Upload Function (for testing code on real SNES).
  • Requirements: Win95 and up, around 8MB RAM, around 200MHz (tested) (on 1GHz computers, most games can run 5-10 times faster as on real hardware).

Known Problems

  • Interlace Mode (vertical hires) isn't yet supported (used only by 3 games or so)
  • Offset-Per-Tile Mode isn't yet supported (used by Starfox... and probably by some further games...?)
  • GUIs of Copiers and Cheat Devices should be working (but without actually emulating FDDs or Patches)
  • ST018 isn't yet supported
  • Actraiser 2 hangs in intro (unknown why)

What's New in Version 1.5   See changelog


  • help: added note on starting multiple hdma's midframe in different scanlines
  • bugfix: mirror SRAM from 700000h to F00000h, but NOT to F08000h (thanks byuu)
  • midframe hdma: init "snes_hdma_not_pause_flgs" during vblank (super ghouls)
  • help: cleaned up memory/dma chapters, added basic LoROM/HiROM mapping chapters
  • emu: added support for rare LoROM games with more than 32K SRAM (eg. Dezaemon)
  • help: added cx4 pinouts (thanks qwertymodo) and cx4 memory map (thanks byuu)
  • commandline: looks in current directory before 'slot' directory (for lidnariq)
  • video/zoom: fullscreen option (toggle via context menu; by right mouse button)
  • video/zoom: software: supports odd ratios, mmx-based horizontal blur/resample
  • video/zoom: opengl: SwapBuffers, SubImage2d, DblBuffer, PixFmtScoring, Speedup
  • gui: created own help engine (instead of microcrap's suicidal windows .hlp)
  • game window: displays current zoom factor in caption (during sizing)
  • game window: optionally square pixels, or real PAL/NTSC pixel aspect ratios
  • game window: allows free sizing (with snapping near N*100% zoom factors)
  • sfcbox: removed dummy OSD font (real SFC-Box character set is dumped now)
  • controls: divides snes-mouse resolution by game-window-zoom-factor
  • icon: simplified snes button/logo icon, at 12x12,16x16,32x32,48x48 pix sizes
  • help/emu: sfcbox: added io-port-mirrors and values for unknown/unused io-bits
  • help/emu: sfcbox: osd character zoom, osd background/outline styles
  • help/emu: sfcbox: cpu hd64180 traps (most) invalid hd64180 opcodes
  • help/emu: gsu mirrors/openbus, gsu multiply speed, r15+irq on stop opcode
  • a22i: added argonaut gsu assembler (via .argonaut and .native/.nocash syntax)
  • emu: avoids break on nested event-handling within hdma (for buggy kof2000)
  • cartloader: clips corrupt sram/xram/flash header values to reasonable sizes
  • cartloader: fixed crash upon missing cx4 bios (thanks epguy35 for bugreport)
  • help: added GSU-1 and GSU-2 pinouts (based on GSU schematics drawn by magno)
  • help: added pinouts for SA-1 chip, BSX-FLASH connector, partial BSX-EXT port
  • help: added MAD-R logic table+more MAD-1 details (thanks SkinnyV for dumping)
  • help/emu: added some new nss details (vsync, mirrored/unused bits)
  • help: added some new xband keyboard details (thanks to Benjamin Eriksson)
  • help/emu: added copy-protected bootlegs (bitswap, constant, and alu/flipflop)
  • help/emu: added super20hab (korean multicart with 20 small nes-port games)

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