> That would give a maximum arbitrary resolution of 8192 pixels in two colours. Not so good. Not if you could change the character-images between horizontal "s

> That would give a maximum arbitrary resolution of 8192 pixels in two colours. Not so good. Not if you could change the character-images between horizontal "scanlines". (Technically, 1 character-line isn't a scanline as far as the display is concerned, but it's a pretty close analogy).