...g the screen dimensions and cursor position: lines , columns , x , y . ( x = y = 0 at the top left corner of the screen.) When a 512-character font is loaded, the 9th bit positi…...g the screen dimensions and cursor position: lines , columns , x , y . ( x = y = 0 at the top left corner of the screen.) When a 512-character font is loaded, the 9th bit positi…...one column (but not past the beginning of the line); HT (0x09, ^I ) goes to the next tab stop or to the end of the line if there is no earlier tab stop; LF (0x0A, ^J ) VT (0x0B,…