public void handler() {
            ROM_REGION(0x20000, REGION_CPU1);/* 128k for code */

            ROM_LOAD("brain.1", 0x00000, 0x8000, 0x2d2aec31);
            ROM_LOAD("brain.2", 0x10000, 0x8000, 0x810a8ab5);
            ROM_RELOAD(0x08000, 0x8000);/* there's code falling through from 7fff */
            /* so I have to copy the ROM there */

            ROM_LOAD("brain.3", 0x18000, 0x8000, 0x9a225634);

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

            ROM_LOAD("brain.120", 0x0000, 0x8000, 0xc7e50278);

            ROM_REGION(0xc000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("brain.62", 0x0000, 0x4000, 0x7dce2302);
            ROM_LOAD("brain.64", 0x4000, 0x4000, 0x7ce03fd3);
            ROM_LOAD("brain.66", 0x8000, 0x4000, 0xea54323f);

            ROM_REGION(0x20000, REGION_GFX2);/* 128k for sprites data */

            ROM_LOAD("brain.117", 0x00000, 0x8000, 0x92ff71a4);
            ROM_LOAD("brain.110", 0x08000, 0x8000, 0xa1b847ec);
            ROM_LOAD("brain.4", 0x10000, 0x8000, 0xfd2ea53b);
            /* 18000-1ffff empty */

            ROM_REGION(0x0300, REGION_PROMS);
            ROM_LOAD("prom.3", 0x0000, 0x0100, 0x00000000);/* palette red component */

            ROM_LOAD("prom.2", 0x0100, 0x0100, 0x00000000);/* palette green component */

            ROM_LOAD("prom.1", 0x0200, 0x0100, 0x00000000);/* palette blue component */

            ROM_END();
        }