I worked on Jpcsp a long time ago, PSP emulator in Java. It was the first emulator to manage to run a large amount of games. We had some crazy devs on it who ev

I worked on Jpcsp a long time ago, PSP emulator in Java. It was the first emulator to manage to run a large amount of games. We had some crazy devs on it who even wrote a MIPS to Java bytecode JIT. It worked great... sometimes. We ended up running into lots of JIT issues as some patterns were unusual and not always properly handled by hotspot. Fun times!