Emulator

What steps will reproduce the problem?

1. Just run Zelda Twilight Princess GC game

What is the expected output? What do you see instead?
See the picture below, the floor in this house have black lines all over, the pictures in the wall don't look good at all, please check the image.

Dolphin version with the problem? Other Dolphin version without the
problem?

I'm on revision 6402

32-bit or 64-bit and any other build parameters?

64 bits

OS version and versions of tools/libraries used?

Windows Seven x64