345 / | HD | COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS |
10 | DF | DATA RESPONSIVE CRT DISPLAY CONTROL {10} |
13 | DF | .~ Data responsive deflection control {4} |
16 | .~.~ Stroke or vector {2} | |
17 | DF | .~.~.~> Strokes for forming characters |
18 | DF | .~.~.~> Up/down counter |