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

            ROM_LOAD("mhj_boot.01", 0x0000, 0x4000, 0xff54dcec);/* encrypted */

            ROM_LOAD("mhj_boot.02", 0x4000, 0x4000, 0x5c41eea8);/* encrypted */

            ROM_LOAD("epr6965.96", 0x8000, 0x4000, 0x3cbbaf64);

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

            ROM_LOAD("mhj_boot.08", 0x0000, 0x2000, 0xaf467223);

            ROM_REGION(0xc000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("mhj_boot.11", 0x0000, 0x4000, 0xfe2039f4);
            ROM_LOAD("mhj_boot.10", 0x4000, 0x4000, 0x0ff682e8);
            ROM_LOAD("mhj_boot.09", 0x8000, 0x4000, 0x558b6926);

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

            ROM_LOAD("epr6921.117", 0x0000, 0x4000, 0xf19e05a1);
            ROM_LOAD("epr6923.u04", 0x4000, 0x4000, 0x7988adc3);
            ROM_LOAD("epr6922.110", 0x8000, 0x4000, 0x37f77a78);
            ROM_LOAD("epr6924.u05", 0xc000, 0x4000, 0x42bdc8f6);
            ROM_END();
        }