It's not really 280 pixels wide: there are 280 addressable pixels but changing one can affect another nearby. Drawing diagonal, intersecting lines can make your

It's not really 280 pixels wide: there are 280 addressable pixels but changing one can affect another nearby. Drawing diagonal, intersecting lines can make your blue lines green or whatever. Loosely speaking, there are 280 sub-pixels across, which works fine on monochrome monitors but on color monitors screenwriter's 70 column mode is psychedelic.