Pineapple Pork with ketchup

4 pork chops, bone-in (1 1/4 lb) 1/4 teaspoon salt 1 dash black pepper 1/2 cup flour 2 tablespoons vegetable oil 0.5 (14 ounce) crushed pineapple , undrained[...]

1 1/2 lb. cubed pork from loin or chops (1 inch) 1 small onion , finely chopped 1/2 each red bell and green peppers, chopped 1 stalk celery , thinly sliced[...]