PPSSPP - a fast and portable PSP emulator
=========================================

Created by Henrik Rydgård

Additional code by many contributors, see the Credits screen

Originally released under the GPL 2.0 (and later) in November 2012

Official website:
https://www.ppsspp.org/

Discord:
https://discord.gg/5NJB6dD

No BIOS file required to play, PPSSPP is an "HLE" emulator.  Default settings balance good compatibility and speed.

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).

For the latest source code, see [our github page](https://github.com/hrydgard/ppsspp).

For build instructions and other development tutorials, see [the wiki](https://github.com/hrydgard/ppsspp/wiki).

For game compatibility, see [community compatibility feedback](https://report.ppsspp.org/games).

What's new in 1.9.0/1.9.3
-------------------------
* Sizing/touch fixes on Android
* Fixes for some crashes

What's new in 1.9.0/1.9.2
-------------------------
* Flicker fixed in God of War that appeared with newer drivers for Mali GPUs (#12224)
* Improve performance of God of War on Vulkan (#12242), implement built-in GPU profiler (#12262, #12266)
* Vertex range culling fixed on ARM Mali (#12227)
* Started to improve VFPU precision, resulting so far in a fix for the long standing Tekken 6 leg shaking problem (#12217)
* Fixed a VFPU precision snafu on ARM64, fixing disappearing officers in Warriors Orochi (#11299) and some problems in Tomb Raider (#11179).
* Vulkan is the default again on Android versions newer than Pie
* Fix various homebrew store issues
* GPU pause signal handling fixed, fixing some hangs in Bleach and Armored Core games (#12160)
* Audio sample rate conversion handling fixes (#12147)
* Some Vulkan optimizations (pre-rotation (#12216), perf fix in Metal Gear Acid, etc)
* Multiple fixes for the UWP build (#12036, others)
* MP3 playback fixes (#12005)
* Audio in Motorstorm: Arctic Edge fixed by returning errors correctly (#12121)
* Audio glitches in Final Fantasy Tactics fixed (#9956)
* Camera display in Invizimals fixed (#12278, #8521)
* Added hotkeys for texture dump and replace (#11938)
* Added Visual Studio 2019 support. Windows XP is no longer supported (#11995, others)
* Fixes for video capture (#12069)
* Added a separate sound volume for alternative speed (#12124)
* Improved mouse control (Windows only) (#12173, #12176)
* Support for installing texture packs and ISOs from zips (#12175)
* Right analog support for touch controls (only used by patched games and some HD remasters) (#12182)
* Android: Fix OpenSL initialization, possibly helps audio crackle a little. (#12333).
* Fix graphics on Amazon Fire TV Stick 4K
* Fixed strange vehicle behavior in MGS:PW (somehow) (#12342)

What's new in 1.8.0
-------------------
* Avoid crash when starting PPSSPP due to bad AMD Vulkan drivers (#11802)
* PowerVR Vulkan display corruption fixed (#11744, #11747)
* Naruto Shippuden 3 hang fixed (#11780)
* Fixes to various lighting bugs (#11567, #11574, #11577)
* Fix control issue in Sonic Rivals and Rock Band (#11878, #11798, #11879)
* Significant performance improvement in Earth Defense Force 2 (#11172)
* Fix "real clock sync" setting (helps with latency for music games - #11813)
* More speed in FF4 effects and other generated curves (#11425)
* Support for resizing Vulkan on Linux (#11451)
* Improved support for GLES on Linux/IoT (#11507, #11537, #11541, #11632, #11746, #11806, #11845)
* Percentage based frameskipping (#11523)
* DXT accuracy improved, fixing thick white line in Gran Turismo sky (#11530)
* Fix Motorstorm freeze on non-Windows (#11618)
* Faster block transfer in some games like Digimon Adventures (#11531, #11553, #11776)
* Blending optimizations and improvements (#11543, #11620)
* Improve D3D11 rendering issues (#11584)
* Change default graphics backend to D3D11 or OpenGL (#11621, #11658)
* Remove some outdated settings (#11665, #11666, #11667)
* Fix remote disc streaming with ipv6 (#11689, #11700)
* Vulkan: Workarounds for some driver bugs for 5xx series Qualcomm GPUs (#11691, #11694)
* Fix some Qt port issues with recent performance improvements (#11720, #11807, #11808)
* UWP Xbox One: fix X/Back button confusion (#11740)
* Fix Formula 1 2006 timing issue (#11767)
* Fixes and workarounds for some vertex range culling bugs that broke a few games (#11785, #11859), and disable it on older GPUs (#11712, #11773, #11787)
* Android: Allow putting PSP storage on custom paths like SD cards (#11812)
* Corrected vocp instruction, fixing models in Artdink games (#11822, #11835)
* Bundle SDL in binary for macOS builds (#11831)
* Prevent keeping games open on Windows (#11842)

What's new in 1.7.3/1.7.4/1.7.5
-------------------
* Fixes for a couple of common crashes
* Reverted immersive mode change temporarily to see if it helps misaligned buttons
* Change default adhoc server address

What's new in 1.7.2
-------------------
* Update text of "Buy PPSSPP Gold" button

What's new in 1.7.1
-------------------
* Minor crashfixes, lang updates
* Save bug fixed (#11508)

What's new in 1.7.0
-------------------
* Fix for insta-crash on Galaxy Note 9, some Xiaomi devices, and the new nVidia Shield (#11441)
* 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

What's new in 1.6.3
-------------------
* Crashfixes, task switching and one in Phantasy Star Portable
* Improve graphics in PoP on some devices

What's new in 1.6.1, 1.6.2
--------------------------
* Crashfixes
* Fix broken graphics in flOw.

What's new in 1.6.0
-------------------
* OpenGL backend now properly multithreaded, giving a good speed boost.
* 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
* Bugfixes and some performance improvements in the ARM64 JIT compiler and IR interpreter
* Shader cache enabled for Vulkan
* 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)
* Retroarch support

What's new in 1.5.4
-------------------
* Bugfixes and crashfixes!

What's new in 1.5.0
-------------------
* Full Vulkan support, also for Android now. Very fast on supported devices. (#10033, #10049)
* Smarter graphics state management, reduced CPU consumption on all backends (#9899)
* Android: Support for Arabic and other scripts we couldn't support before
* Fix Android widgets, screen scaling (#10145)
* Fixes to video dumping
* Geometry problems fixed in Medal of Honor
* Implement immediate draws, fixing Thrillville (#7459)
* Software rendering improvements, speed and accuracy
* Hardware tesselation of PSP Beziers and Splines (used by a few games)
* Partial sceUsbGps and sceUsbCam support (Android)
* Android "Sustained performance mode" to avoid thermal throttling (#9901)
* Linux controller mapping fixes (#9997)
* Assorted bugfixes and compatibility improvements

Looking for [older news](history.md)?


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.

Credit goes to:
 - Igor Calabria
 - [coldbird's code](https://code.google.com/archive/p/aemu/)
 - Kyhel
