Optimize huge sprite copy, e.g. panels.
Free loadingbg2 if the level doesn't use background.
All optimized on PSP Video side!!!
Fix texture_planex8p24 in texture24.c.
Separate transparency copy code and non-transparency copy code.
Fix some typo in putscreen method.
Disable background transparency color in 8bit mode.
Fix fillcolor in 8bit mode.