OPLObjectFile** LOC::A:\OPL\WORLDCLK.OPL Worldclk.ODB \OPD\ M:\OPD\WORLDCLK.DATW M:\OPD\WORLDCLK.DAT PLACE1$ PLACE2$ PLACE3$ DIFF1& DIFF2& DIFF3& PLACE1$' LOS ANGELES PLACE2$' DALLAS PLACE3$' CONCORD, MA DIFF1&% DIFF2&% DIFF3&% Welcome to World Clock!( Press [Enter] at main screen toO +!set up cities & time differences.O +"Enter time differences in minutes.O A city two hours behind = -120O A city four hours ahead = 240O Press [Enter] now.O M:\OPD\WORLDCLK.DAT PLACE1$ PLACE2$ PLACE3$ DIFF1& DIFF2& DIFF3& OPO