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Cemu 1.5.6b


Cemu is a Highly experimental software to emulate Wii U applications on PC


  • Can run encrypted Wii U images (WUD) and RPX/RPL files
  • Internal resolution is 1920x1080 (if supported by game)
  • Contains basically no optimizations. Expect slow framerates and long load times.
  • Windows 7 or above (x64) (other platforms may be supported later)
  • Requires OpenGL 4.0
  • Tested on NVIDIA and AMD: Runs fine on most recent driver
  • Tested on Intel: Garbled output but runs if OpenGL version is supported


CEMU detailed changelog for 1.5.6b
Patreon release date: 2016-08-20
Public release date: 2016-08-28


New in 1.5.6b


General: Mouse cursor is no longer hidden in fullscreen (again)


New in public release:


  • General: Adjusted handling of command line parameters. It no longer suffices to just pass the path of a game to automatically launch it. Instead, add the -g parameter. Example: cemu.exe -g C:gamesexample.wud


Patreon release:


  • General: Fixed a bug where the crashlog and some other files were created in the wrong directory when launching a game from .rpx
  • CPU: Reduced RAM usage of recompiler
  • Coreinit: Fixed a bug in OSSetPeriodicAlarm()
  • AX: Added API AXSetVoiceSrcType(), AXDecodeAdpcmData()
  • AX: Implemented sample rate converter for PCM16 format
  • AX: Implemented PCM8 format decoder and PCM8 sample rate converter
  • AX: Other small adjustments to improve overall sound quality
  • DMAE: Added API DMAEFillMem()
  • GX2: Added API GX2RDirectCallDisplayList()
  • GX2: Fixed a crash that could occur when an already running occlusion query was started.
  • GX2: Improved performance of surface copy operations


cemu emulator



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