Princess Tomato in the Salad Kingdom / Salad no Kuni no Tomato-hime (サラダの国のトマト姫)
Hudson Soft
Released on the PC-88 in 1984
Screenshots taken from this review which also features a history of the game and a review of the later NES version
http://www.hardcoregaming101.net/princess-tomato-in-the-salad-kingdom/
