Improved the performance of vertex reading when the option "Disable optimized VertexInfo reading" is selected: use a float[] array instead of a FloatBuffer for better performance.

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3145 4ab978e6-3352-0410-996c-0b42db0051c8
Fixed sceUtilitySavedata mode=MODE_LISTLOAD: when no save is available, ERROR_SAVEDATA_LOAD_NO_DATA has to be returned.

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3146 4ab978e6-3352-0410-996c-0b42db0051c8