C PLOT8 IS AN CALCOMP COMPATIBLE SET OF PLOTTING C SUBROUTINES FOR SEVERAL PLOTTER/DISPLAY INTER- C FACES, WITH THE FOLLOWING ENTRYPOINTS : C C PLOTS : INITIALIZE THE PLOTTER/DISPLAY C PLOT : MOVE THE PEN TO A NEW POSITION C FACTOR : SET A NEW DISPLAY SCALE FACTOR C WHERE : GET X/Y-COORD AND SCALE VALUES C SYMBOL : PLOT ALFA CHARACTERS & SYMBOLS C SUBROUTINE PLOT ( XPAGE , YPAGE , IPEN ) C IF(IPEN) 100,200,200 100 OLDX = XPAGE OLDY = YPAGE 200 IX = XPAGE * 20. IY = YPAGE * 20. CALL VECTOR ( IX , IY , IPEN ) RETURN END