public void handler() {
            UBytePtr RAM = memory_region(REGION_CPU1);
            RAM.write(0x190b, 0xc9); /* faster test */

            snk_sound_busy_bit = 0x20;
            snk_io = ikarijpb_io;
            hard_flags = 1;
            gwar_sprite_placement = 0;
            snk_bg_tilemap_baseaddr = 0xd000;
        }