...palette, character-set mapping, and so on. In the tabular descriptions below, the second column gives ECMA-48 or DEC mnemonics (the latter if prefixed with DEC) for the given fu…...s, and prefixed with four bytes giving the screen dimensions and cursor position: lines , columns , x , y . ( x = y = 0 at the top left corner of the screen.) When a 512-charact…...s, and prefixed with four bytes giving the screen dimensions and cursor position: lines , columns , x , y . ( x = y = 0 at the top left corner of the screen.) When a 512-charact…