BITCURSOR moves a cross-hair cursor on a VT100 equipped with a retro-graphics card (VT125) and a BIT PAD ONE graphics tablet. The VT125 is used in the Tek 4010 mode with a graphics point returned when a key is pressed on the bit pad puck (or stylus).
CALL BITCURSOR (x,y,k,rx,ry) x,y (R): (returned) selected cursor position (in plot units) k (I): (returned) key code = 0 (Z) key pressed on bit pad puck = 1 (1) key pressed on bit pad puck = 2 (2) key pressed on bit pad puck = 3 (3) key pressed on bit pad puck rx (R): resolution of screen in x direction (returned) ry (R): resolution of screen in y direction (returned)