For about a year, Jam2go has been uploading videos showing and explaining the real-time effects he’s been using in his games, like that 00s digital camera look. That’s interspersed with silly tangents like figuring out exactly where popular songs take place.
They’re kinda addressable in that the electron beam scans across a line, and every through each line, with a pulse activating the (iirc phosphor) at the pixel for the desired colour.