public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for code */
            ROM_LOAD("sk1", 0x0000, 0x1000, 0xc8866ccb);
            ROM_LOAD("sk2", 0x1000, 0x1000, 0x7caea29b);
            ROM_LOAD("sk3", 0x2000, 0x1000, 0x7b4bfa76);
            ROM_LOAD("sk4", 0x3000, 0x1000, 0x056fc921);

            ROM_REGION(0x2000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("sk5", 0x0000, 0x1000, 0xd27f1e0c);
            ROM_LOAD("sk6", 0x1000, 0x1000, 0xa7089588);

            ROM_REGION(0x0020, REGION_PROMS);
            ROM_LOAD("sk.bpr", 0x0000, 0x0020, 0xbce79607);
            ROM_END();
        }