What you need to do is not overwrite your 9000,0 port I always change it to 9000,9000 so I don't mess any thing up then I make a new 9000,0 port and the end of the sff.
Same goes for the 9000,1 if its sharing the 1,1 palette.
Same goes for the 9000,1 if its sharing the 1,1 palette.