public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for code */
            ROM_LOAD("jb1", 0x0000, 0x1000, 0x415aa1b7);
            ROM_LOAD("jb2", 0x1000, 0x1000, 0xb1c27510);
            ROM_LOAD("jb3b", 0x2000, 0x1000, 0xcb8b8a0f);
            ROM_LOAD("jb4", 0x3000, 0x1000, 0x66751d12);
            ROM_LOAD("jb5b", 0x8000, 0x1000, 0x7553b5e2);
            ROM_LOAD("jb6b", 0x9000, 0x1000, 0x47be9843);
            ROM_LOAD("jb7b", 0xa000, 0x0800, 0x460aed61);

            ROM_REGION(0x3000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("jbl", 0x0000, 0x0800, 0x9a091b0a);
            ROM_LOAD("jbm", 0x0800, 0x0800, 0x8a0fc082);
            ROM_LOAD("jbn", 0x1000, 0x0800, 0x155186e0);
            ROM_LOAD("jbi", 0x1800, 0x0800, 0x7749b111);
            ROM_LOAD("jbj", 0x2000, 0x0800, 0x06e8d7df);
            ROM_LOAD("jbk", 0x2800, 0x0800, 0xb8dbddf3);

            ROM_REGION(0x0020, REGION_PROMS);
            ROM_LOAD("l06_prom.bin", 0x0000, 0x0020, 0x6a0c7d87);
            ROM_END();
        }