public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for code */
            ROM_LOAD("scramble.1k", 0x0000, 0x0800, 0x9e025c4a);
            ROM_LOAD("scramble.2k", 0x0800, 0x0800, 0x306f783e);
            ROM_LOAD("scramble.3k", 0x1000, 0x0800, 0x0500b701);
            ROM_LOAD("scramble.4k", 0x1800, 0x0800, 0xdd380a22);
            ROM_LOAD("scramble.5k", 0x2000, 0x0800, 0xdf0b9648);
            ROM_LOAD("scramble.1j", 0x2800, 0x0800, 0xb8c07b3c);
            ROM_LOAD("scramble.2j", 0x3000, 0x0800, 0x88ac07a0);
            ROM_LOAD("scramble.3j", 0x3800, 0x0800, 0xc67d57ca);

            ROM_REGION(0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("5f.k", 0x0000, 0x0800, 0x4708845b);
            ROM_LOAD("5h.k", 0x0800, 0x0800, 0x11fd2887);

            ROM_REGION(0x0020, REGION_PROMS);
            ROM_LOAD("82s123.6e", 0x0000, 0x0020, 0x4e3caeab);
            ROM_END();
        }