Jpcsp SVN r2298 is released. JPCSP is the most advanced PlayStation Portable(PSP) emulator, allowing you to play your PSP games on a PC. Even though Jpcsp is written in Java, it can already reach 100% PSP speed on a lot of commercial games... and the emulator performance is constantly increasing. Jpcsp takes full advantage of dual-core processors, matching the PSP dual-core architecture. Even a quad-core can give a small performance improvement by leaving free CPU cores for the Java JIT Compiler and the graphics cache.

Jpcsp SVN changelog:
r2296
Fixed "Error calling ... sceKernelTerminateThread...": return value is always an "int" value when a SceKernelErrorException is raised by an HLE method (even if the HLE method is returning "void").
r2297
Fixed sceKernelGetThreadStackFreeSize().
r2298
Async IO: restored the processing of the async read in the async thread (reverted the workaround from r2288).
Improved the compatibility of sceIoReadXXX and sceIoWriteXXX based on PSP tests: the duration of the operation depends on the size of the processed (read or write) data.

Download: Jpcsp SVN r2298
Source: Here