public void handler() {
            ROM_REGION(0x020000, REGION_CPU1);/* 68000 code */
            ROM_LOAD_EVEN("epr12201.rom", 0x000000, 0x8000, 0x338e9b51);
            ROM_LOAD_ODD("epr12200.rom", 0x000000, 0x8000, 0xfb058779);

            ROM_REGION(0x30000, REGION_GFX1 | REGIONFLAG_DISPOSE);/* tiles */
            ROM_LOAD("epr12202.rom", 0x00000, 0x10000, 0x2f7da741);
            ROM_LOAD("epr12203.rom", 0x10000, 0x10000, 0xa6e58ec5);
            ROM_LOAD("epr12204.rom", 0x20000, 0x10000, 0x0ae98e23);

            ROM_REGION(0x010000 * 2, REGION_GFX2);/* sprites */
            ROM_LOAD("epr12169.rom", 0x0000, 0x8000, 0xdacc6165);
            ROM_LOAD("epr12170.rom", 0x8000, 0x8000, 0x87354e42);

            ROM_REGION(0x10000, REGION_CPU2);/* sound CPU */
            ROM_LOAD("epr12205.rom", 0x0000, 0x8000, 0x6695dc99);
            ROM_END();
        }