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PPSSPP - a fast and portable PSP emulator
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=========================================
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Created by Henrik Rydgård
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Additional code by many contributors, see the Credits screen
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Originally released under the GPL 2.0 (and later) in November 2012
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Official website:
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https://www.ppsspp.org/
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Discord:
https://discord.gg/5NJB6dD
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No BIOS file required to play, PPSSPP is an "HLE" emulator. Default settings balance good compatibility and speed.
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To contribute, see [the development page ](https://www.ppsspp.org/development.html ). Help testing, investigating, or fixing is always welcome. See [the list of issues ](https://github.com/hrydgard/ppsspp/issues ).
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For the latest source code, see [our github page ](https://github.com/hrydgard/ppsspp ).
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For build instructions and other development tutorials, see [the wiki ](https://github.com/hrydgard/ppsspp/wiki ).
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For game compatibility, see [community compatibility feedback ](https://report.ppsspp.org/games ).
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What's new in 1.7.1
-------------------
* Minor crashfixes, lang updates
* Save bug fixed (#11508)
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What's new in 1.7.0
-------------------
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* Fix for insta-crash on Galaxy Note 9, some Xiaomi devices, and the new nVidia Shield (#11441)
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* Vertex range culling on most platforms, fixes DTM: Race Driver and similar (#11393)
* Major speed boost in some Gundam and Earth Defense Force games (#10973)
* Fix for issues with post processing shaders in GL 3+ (#11182)
* Fixes to sound output switching on Windows (WASAPI) (#11438)
* Detects DirectInput devices when running (#11461)
* Simple Discord integration (#11307)
* New debugging APIs (#10909)
* Task switching made a lot more robust (fixes GPD XD problems) (#11447)
* Texture decoding optimizations (#11350)
* Tons and tons of miscellaneous bugfixes and compatibility fixes
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What's new in 1.6.3
-------------------
* Crashfixes, task switching and one in Phantasy Star Portable
* Improve graphics in PoP on some devices
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What's new in 1.6.1, 1.6.2
--------------------------
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* Crashfixes
* Fix broken graphics in flOw.
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What's new in 1.6.0
-------------------
* OpenGL backend now properly multithreaded, giving a good speed boost.
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* Various Vulkan performance improvements (like #10911 ) and memory allocation fixes.
* GPU command interpreter performance improvements (#10658)
* Various fixes for app switching and widgets (#10855) on Android
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* Bugfixes and some performance improvements in the ARM64 JIT compiler and IR interpreter
* Shader cache enabled for Vulkan
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* Multiple iOS fixes, including JIT (#10465) and file browser (#10921).
* Improved compatibility on Mac (#10113)
* Texture replacement ID bugfix (note: some textures from 1.5.4 may become incompatible)
* Adhoc multiplayer fixes (#8975)
* Vulkan support on Linux/SDL (#10413)
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* Retroarch support
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What's new in 1.5.4
-------------------
* Bugfixes and crashfixes!
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What's new in 1.5.0
-------------------
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* Full Vulkan support, also for Android now. Very fast on supported devices. (#10033, #10049 )
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* Smarter graphics state management, reduced CPU consumption on all backends (#9899)
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* Android: Support for Arabic and other scripts we couldn't support before
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* Fix Android widgets, screen scaling (#10145)
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* Fixes to video dumping
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* Geometry problems fixed in Medal of Honor
* Implement immediate draws, fixing Thrillville (#7459)
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* Software rendering improvements, speed and accuracy
* Hardware tesselation of PSP Beziers and Splines (used by a few games)
* Partial sceUsbGps and sceUsbCam support (Android)
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* Android "Sustained performance mode" to avoid thermal throttling (#9901)
* Linux controller mapping fixes (#9997)
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* Assorted bugfixes and compatibility improvements
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Looking for [older news ](history.md )?
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Adhoc support
-------------
Not fully functional, but some games work. Check the [Ad-Hoc section of the forum ](http://forums.ppsspp.org/forumdisplay.php?fid=34 ) for help.
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Credit goes to:
- Igor Calabria
- [coldbird's code ](https://code.google.com/archive/p/aemu/ )
- Kyhel
