0 Unused for Airport 0 Unused for Airport 0 Unused for Airport 80 width: number of columns on screen 24 height: number of rows on screen 0 Unused for Airport 0 ticcnt 50 ticres 0 Unused for Airport 0 Unused for Airport 37 mhz: 10 times the clock speed (e.g. 25 for a 2.5 MHz Kaypro) 1B 3D FE 20 FF 20 curstring: hex cursor addressing algorithm 1A clrstring: escape sequence to clear the screen 0 Unused for Airport 1B 29 1B 67 69 1B 28 1B 47 topleft: top left corner of the box 1B 29 1B 67 6F 1B 28 1B 47 djunct: junction pointing down 1B 29 1B 67 6C 1B 28 1B 47 cross: intersection character 1B 29 1B 67 6C 1B 28 1B 47 ljunct: junction pointing left 1B 29 1B 67 6C 1B 28 1B 47 rjunct: junction pointing right 1B 29 1B 67 7E 1B 28 1B 47 ujunct: junction pointing up 1B 29 1B 67 7B 1B 1B 28 1B 47 horiz: horizontal line 1B 29 1B 67 6B 1B 28 1B 47 vert: vertical line 1B 29 1B 67 70 1B 28 1B 47 topright: top right corner of box 1B 29 1B 67 7C 1B 28 1B 47 botleft: bottom left corner 1B 29 1B 67 7F 1B 28 1B 47 botright: bottom right corner Initializing sequence 1B 2E 32 Cursor On (Executive only) 1B 2E 30 Cursor Off (Executive only) Terminal exit sequence 1B 67 76 1B 47 whiteblock 7F grayblock 1B 67 6D 1B 47 centerdot 1B 6A inverse video (Executive only) 1B 6B no inverse video (Executive only) 1B 54 erase to end of line 0 1 if H19 compatible screen 2D 3E right arrow 76 down arrow 5E up arrow 0C cursor right 08 cursor left 20 left standout char 20 right standout char   Ãì!9ÍèUÍ/VÊ Í