按键信号/*-------------------------------------------------------- -- Engineer: zhrscut -- Create Date: -- Module Name: -- Tool Versions: Quartus_II 9.1 -- -EEPWFPGA°DIY ------------------------------------------------------*/ module key_led(key,led); input[7:0] key; output[7:0] led; wire[7:0] led; wire[7:0] key; assign led=~key; endmodule ……