public void handler() {
            ROM_REGION(0x10000, REGION_CPU1);/* 64k for cpuA code */

            ROM_LOAD("up03_l4.rom", 0x0000, 0x4000, 0xcde006be);
            ROM_LOAD("up03_k4.rom", 0x4000, 0x8000, 0x26948850);

            ROM_REGION(0x10000, REGION_CPU2);/* 64k for cpuB code */

            ROM_LOAD("ik3", 0x0000, 0x4000, 0x9bb385f8);
            ROM_LOAD("ik4", 0x4000, 0x8000, 0x3a144bca);

            ROM_REGION(0x10000, REGION_CPU3);/* 64k for sound code */

            ROM_LOAD("ik5", 0x0000, 0x4000, 0x863448fa);
            ROM_LOAD("ik6", 0x4000, 0x8000, 0x9b16aa57);

            ROM_REGION(0x0c00, REGION_PROMS);
            ROM_LOAD("7122er.prm", 0x000, 0x400, 0xb9bf2c2c);
            ROM_LOAD("7122eg.prm", 0x400, 0x400, 0x0703a770);
            ROM_LOAD("7122eb.prm", 0x800, 0x400, 0x0a11cdde);

            ROM_REGION(0x4000, REGION_GFX1 | REGIONFLAG_DISPOSE);/* characters */

            ROM_LOAD("ik7", 0x00000, 0x4000, 0x9e88f536);/* characters */

            ROM_REGION(0x20000, REGION_GFX2 | REGIONFLAG_DISPOSE);/* tiles */

            ROM_LOAD("17.rom", 0x00000, 0x8000, 0xe0dba976);
            ROM_LOAD("18.rom", 0x08000, 0x8000, 0x24947d5f);
            ROM_LOAD("ik19", 0x10000, 0x8000, 0x566242ec);
            ROM_LOAD("20.rom", 0x18000, 0x8000, 0x5da7ec1a);

            ROM_REGION(0x18000, REGION_GFX3 | REGIONFLAG_DISPOSE);/* 16x16 sprites */

            ROM_LOAD("ik8", 0x00000, 0x8000, 0x75d796d0);
            ROM_LOAD("ik9", 0x08000, 0x8000, 0x2c34903b);
            ROM_LOAD("ik10", 0x10000, 0x8000, 0xda9ccc94);

            ROM_REGION(0x30000, REGION_GFX4 | REGIONFLAG_DISPOSE);/* 32x32 sprites */

            ROM_LOAD("11.rom", 0x00000, 0x8000, 0x5c75ea8f);
            ROM_LOAD("14.rom", 0x08000, 0x8000, 0x3293fde4);
            ROM_LOAD("12.rom", 0x10000, 0x8000, 0x95138498);
            ROM_LOAD("15.rom", 0x18000, 0x8000, 0x65a61c99);
            ROM_LOAD("13.rom", 0x20000, 0x8000, 0x315383d7);
            ROM_LOAD("16.rom", 0x28000, 0x8000, 0xe9b03e07);
            ROM_END();
        }