public void handler() {
            ROM_REGION(2 * 0x10000, REGION_CPU1);/* 64k for code + 64k for decrypted opcodes */

            ROM_LOAD("4d.116", 0x0000, 0x4000, 0x546d1bc7); /* encrypted */

            ROM_LOAD("4d.109", 0x4000, 0x4000, 0xf1074ec3); /* encrypted */

            ROM_LOAD("4d.96", 0x8000, 0x4000, 0x387c1e8f);

            ROM_REGION(0x10000, REGION_CPU2);/* 64k for sound cpu */

            ROM_LOAD("4d.120", 0x0000, 0x2000, 0x5241c009);

            ROM_REGION(0xc000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("4d.62", 0x0000, 0x2000, 0xf31b2e09);
            ROM_LOAD("4d.61", 0x2000, 0x2000, 0x5430e925);
            ROM_LOAD("4d.64", 0x4000, 0x2000, 0x9f442351);
            ROM_LOAD("4d.63", 0x6000, 0x2000, 0x633232bd);
            ROM_LOAD("4d.66", 0x8000, 0x2000, 0x52bfa2ed);
            ROM_LOAD("4d.65", 0xa000, 0x2000, 0xe9ba4658);

            ROM_REGION(0x10000, REGION_GFX2);/* 64k for sprites data */

            ROM_LOAD("4d.117", 0x0000, 0x4000, 0x436e4141);
            ROM_LOAD("4d.04", 0x4000, 0x4000, 0x8b7cecef);
            ROM_LOAD("4d.110", 0x8000, 0x4000, 0x6ec5990a);
            ROM_LOAD("4d.05", 0xc000, 0x4000, 0xf31a1e6a);
            ROM_END();
        }