public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for code */
            ROM_LOAD("galx.u", 0x0000, 0x0800, 0x79e4007d);
            ROM_LOAD("galx.v", 0x0800, 0x0800, 0xbc16064e);
            ROM_LOAD("galx.w", 0x1000, 0x0800, 0x72d2d3ee);
            ROM_LOAD("galx.y", 0x1800, 0x0800, 0xafe397f3);
            ROM_LOAD("galx.z", 0x2000, 0x0800, 0x778c0d3c);

            ROM_REGION(0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("galx.1h", 0x0000, 0x0800, 0xe8810654);
            ROM_LOAD("galx.1k", 0x0800, 0x0800, 0xcbe84a76);

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