JSPspEmu Git (2014/04/27) is released. JSPspEmu is a PSP emulator made using javascript (actually typescript). It will work with any modern browser. Though the first version work only works with Chrome (desktop and android). At this point it can run some demos.

JSPspEmu Git Changelog:
- Small fix
- Added jazz.zip
- Avoid infinite texture allocation
- Implemented sceKernelMemset and sceKernelMemcpy
- Improved sceImpose.sceImposeGetBatteryIconStatus
- Improved exported functions uint
- Added support for returning floats
- Fixed Integer64.isLowEnoughForMul
- Added Stream.INVALID
- Added some more stubs
- Small fixes and typos
- Support more GU_TFX in fragment shader
- Fixed sceKernelLibcGettimeofday (this caused SDL games to freeze during a minute or so)
- Added support for analog controlling with keyboard (I, J, K, L) keys
- Now Doom,Reminiscence (Flashback) and cdogs works
- Small improvements
- Added sceReg module stub
- Implemented sceIoDopen + sceIoDclose + sceIoDread
- Implemented zip and iso VfsEntry.enumerateAsync()
- Added Doom.zip and cdogs.zip
- Small changes
- Small fix
- Moved goldminer to a zip file
- Add ZIP file support (a zip file containing EBOOT.ELF or EBOOT.PBP in the root folder that will be mounted to /PSP/DATA/virtual)
- Some fixes in gpu_webgl
- Simplified Vfs.getStatAsync

Try online: JSPspEmu Git (2014/04/27)
Source: Here