public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for code */
            ROM_LOAD("ru1a", 0x0000, 0x0800, 0x5a8e4f37);
            ROM_LOAD("ru2a", 0x0800, 0x0800, 0xc624f52d);
            ROM_LOAD("ru3a", 0x1000, 0x0800, 0xe1030d1c);
            ROM_LOAD("ru4a", 0x1800, 0x0800, 0x7692069e);
            ROM_LOAD("ru5a", 0x2000, 0x0800, 0xcb648ff3);
            ROM_LOAD("ru6a", 0x2800, 0x0800, 0xe1a9f58e);

            ROM_REGION(0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("ruhja", 0x0000, 0x0800, 0x8a422b0d);
            ROM_LOAD("rukla", 0x0800, 0x0800, 0x1eb84cb1);

            ROM_REGION(0x0020, REGION_PROMS);
            ROM_LOAD("galaxian.clr", 0x0000, 0x0020, 0xc3ac9467);
            ROM_END();
        }