public void handler() {

            int bank[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

            sys16_obj_bank = bank;

            patch_code.handler(0xba6, 0x4e);
            patch_code.handler(0xba7, 0x71);

            sys16_sprxoffset = -0x40;
            sys16_update_proc = tetris_update_proc;
        }