since jpcsp is actually launching I doubt its a java problem, sounds more like an opengl issue in r1812 they switched to the newer lwjgl so that could of broke older/cheaper video cards. when upgrading svn make sure you aren't overwriting previous versions (extract to a new folder)
"r1812 Migration from JOGL to LWJGL 2.5. No new functionality has been introduced, it should be a "simple" API migration. It is required to support future new functionality."
what video card do you have and are the drivers up to date?
"r1812 Migration from JOGL to LWJGL 2.5. No new functionality has been introduced, it should be a "simple" API migration. It is required to support future new functionality."
what video card do you have and are the drivers up to date?
Try Out JPCSP Launcher v1.8.0.4 | How to post a log