Always store the GE and FB in a 32-bit texture, 16-bit textures are causing color artifacts.

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3588 4ab978e6-3352-0410-996c-0b42db0051c8
Check for video textures also during memset, not just memcpy. This could avoid flickering while playing MPEG videos.

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3589 4ab978e6-3352-0410-996c-0b42db0051c8
Avoid locking the scheduler while executing an Interrupt handler.

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3590 4ab978e6-3352-0410-996c-0b42db0051c8