Gradiente Expert DD Plus 1989 Same as Gradiente Expert Plus, but also includes 3.5" disk drive. MSX br A 16000 br_gradiente_1_1 true true false false T7937ANTSC 21000 true expert_ddplus_basic-bios1.rom d6720845928ee848cfa88a86accb067397685f02 National 1 expert_ddplus_disk.rom f1525de4e0b60a6687156c2a96f8a8b2044b6c56