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

            ROM_LOAD("6647.116", 0x0000, 0x4000, 0xcc5d915d); /* encrypted */

            ROM_LOAD("6648.109", 0x4000, 0x4000, 0x37574d60); /* encrypted */

            ROM_LOAD("6649.96", 0x8000, 0x4000, 0x5f59bdee);

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

            ROM_LOAD("epr6656.113", 0x0000, 0x2000, 0x25e3d685);

            ROM_REGION(0xc000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("6655.62", 0x0000, 0x2000, 0xbe1f762f);
            ROM_LOAD("6654.61", 0x2000, 0x2000, 0xed5f7fc8);
            ROM_LOAD("6653.64", 0x4000, 0x2000, 0x8b4845a7);
            ROM_LOAD("6652.63", 0x6000, 0x2000, 0x001d68cb);
            ROM_LOAD("6651.66", 0x8000, 0x2000, 0x4ee9b5e6);
            ROM_LOAD("6650.65", 0xa000, 0x2000, 0x3fca4414);

            ROM_REGION(0x8000, REGION_GFX2);/* 32k for sprites data */

            ROM_LOAD("epr66xx.117", 0x0000, 0x4000, 0x1ba167ee);
            ROM_LOAD("epr66xx.u04", 0x4000, 0x4000, 0xedda7ad6);
            ROM_END();
        }