Quarter and seed the oranges but do not peel them. Peel and pit the peaches. Put both fruits through food chopper using coarse blade (should be chunky). Measure the fruit into a large pot; add sugar according to fruit measure. Cook rapidly until mixture "sheets" from spoon; stir often. Add the maraschino cherries. Pour into hot, sterilized 6 oz. jars; seal at once with wax.