Shadow and the rest of the jpcsp team have released a new version of the PSP Emulator for Windows written in Java, the emulator already plays a small amount of commercial releases as well as homebrew releases.
Heres whats new:
Rev1150: Fixed small problem in MemoryReader
Revi1149: first attempt at sub intr support. GE callbacks and sub intr will now trigger on
Rev1148: cb3: disabled pre-emption to match trunk
Rev1147: Fix for NullPointerException in Profiler.logCode (when logging SequenceCodeInstr)