; soft switches TXTCLR = $c050 ; RW display graphics MIXCLR = $c052 ; RW display full screen TXTPAGE1 = $c054 ; RW display page 1 TXTPAGE2 = $c055 ; RW display page 2 (or read/write aux mem) HIRES = $c057 ; RW display hi-res graphics HPOSN = $F411