module niosII (
clk_clk,
reset_reset_n,
sem_export_train,
sem_export_red,
sem_export_yellow,
sem_export_green);
input clk_clk;
input reset_reset_n;
input sem_export_train;
output sem_export_red;
output sem_export_yellow;
output sem_export_green;
endmodule