Homebrew  coder team is back with the  latest PSP Emulator,version 3.0 revision 1280 of JPCSP .It features another round of stability upgrade, code cleanups and implemented various other improvements.

Changelogs:
Revision 1280: Implemented fake sceKernelPollMbx() (for “Phantasy Star Portable”).
Revision 1279:Avoid NullPointerException when exiting
Revision 1278: Added a fake return for sceSasSetADSR, Heatseeker goes a lot further Cleanup for light commands.
Revision 1277: Fixed ISO file reading: some files were missing in large directories. This should fix some games displaying “umd file not found”.
Revision 1276: Basic implementation of sceKernelSuspendDispatchThread and sceKernelResumeDispatchThread
Revision 1275: Restart the list processing after a SIGNAL without callback
Revision 1274: sceKernelSleepThread / sceKernelWakeupThread: implemented wakeupCount
Revision 1273: fixes in TRXKICK - do not reset baseOffset after RET command - more robustness in VideoEngine when processing errors (abort list display when displaying more than 5 errors) - pspdisplay: reload new GE after storing previous GE to memory
Revision 1272: sceKernelReferThreadStatus: fill waitId with ID of waiting object
Revision 1271: Fix for small swizzled images (e.g. texture_height==1). Do not display “unknown video command 0xff” just after a PRIM command.

Download: JPCSP v0.3 revision 1280