Nice!
Maybe the aspect ratio can be switched in a future version?
Vsync seems to be disabled.
The standard eboot only shows a black screen with one white pixel on the top left.
The alternate eboot 1 is identical to the standard eboot file (bit by bit).
Alternate eboot 2 is working :)
Using 3.40 OE-A firmware on a (probably) TA-79 board.