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Cemu 1.6.2


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 1.6.2c
Patreon release date: 2016-10-29
Public release date: 2016-11-05


CEMU 1.6.2c


CPU: Fixed a bug in recompiler PSQ_STU instruction


CEMU 1.6.2 + 1.6.2b


CPU: Fixed a rare crash bug that could occur when the recompiler attempted to analyze certain functions
CPU: Improved detection of function entry points for recompiler
CPU: Added instructions LBZUX, SRW., PSQ_LU, PSQ_STU and PS_DIV to recompiler
CPU: Adjusted recompiler PS_MERGE10 instruction to generate faster code


FS: Various optimizations to FSA thread, resulting in quicker processing of file operations
FS: If available, AES-NI is now used for filesystem decryption


AX: Added API AXAcquireMultiVoice()


NFP: Deactivate event will now be correctly signaled


GX2: Added support for Streamout emulation via OpenGL's Transform Feedback
GX2: Slightly reduced the number of shaders that need to be compiled (by optimizing away render states that previously affected the generated shader code)
GX2: Improved handling of bottom of pipe event
GX2: Added API GX2DrawIndexedImmediateEx()
GX2: Fixed a bug in the buffer cache that could cause out-of-bounds allocations which would result in CEMU crashing
GX2: Fixed a bug where textures would be immediately reloaded from RAM after being updated by a GPU-side operation


cemu emulator



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