scanline before and after, and save states

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scanline before and after, and save states
by on (#13302)
i was looking at the ppu info again. is BT's doc correct that the first dummy scanline is identicle to the rendering scanline except for the odd frame and address update on 256 ?

the last scanline does nothing except raise vblank flag at the very end ?

i havent seen much on the new save state that was mentioned awhile back http://www.geocities.com/disch_/rsns.txt

any updates to that and is anyone implemented it ?

matt