Kingdom Hearts "Shadow error" AND other problems in High pixel !?

[gurrenla]

Hello everybody
I come from chinese
My English is very poor
Please bear with me
very very thanks


I use jpcsp 2303
It can play "Kingdom Hearts: Birth by Sleep" Successfully
Thanks jpcsp production team for their hard work
But there is a small problem
that is
in High pixel (Resize x2)
"people not have Shadow"

1.have Shadow in low pixel
http://i.imgur.com/xsABX.jpg
http://i.imgur.com/IgK9y.png

2.Shadow error in high pixel
http://i.imgur.com/O0vOk.jpg
http://i.imgur.com/kiKDy.png

so
Sincerely ask you
There are ways to solve it?

very very thanks so much