SystemC Simulation Info: (I804) /IEEE_Std_1666/deprecated: sc_bit is deprecated, use bool instead 0 1 1 Error: (E204) value is not valid: sc_bit( 2 ) In file: Info: (I804) /IEEE_Std_1666/deprecated: You can turn off warnings about IEEE 1666 deprecated features by placing this method call as the first statement in your sc_main() function: sc_core::sc_report_handler::set_actions( "/IEEE_Std_1666/deprecated", sc_core::SC_DO_NOTHING );