i looked in mame.ini but there is no mention (no lines) about bgfx chains or shaders. do i have to add a few lines just to enable them? and what do you mean with unfiltered setting? what lines should i add in mameui64 v.209 just to have bgfx enabled and with the proper chains on? i installed arcade last night and it's wonderful (tx again),it's just like old version mameuifx64 but i want to tweak mameui64 from command line too. can you provide exactly the lines that i should add in mame.ini in mameui64?