public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for code */
            ROM_LOAD("cm_1.bin", 0x0000, 0x1000, 0x456a118f);
            ROM_LOAD("cm_2.bin", 0x1000, 0x1000, 0x146b2c44);
            ROM_LOAD("cm_3.bin", 0x2000, 0x0800, 0x73e1c945);

            ROM_REGION(0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("cm_6.bin", 0x0000, 0x0800, 0x476a7cc3);
            ROM_LOAD("cm_5.bin", 0x0800, 0x0800, 0xb3df2b5f);

            ROM_REGION(0x0020, REGION_PROMS);
            ROM_LOAD("checkman.clr", 0x0000, 0x0020, 0x57a45057);

            ROM_REGION(0x10000, REGION_CPU2);/* 64k for sound code */
            ROM_LOAD("cm_4.bin", 0x0000, 0x1000, 0x923cffa1);
            ROM_END();
        }