`timescale 1ns/1ns module dajiang13( input [7:0] A, output [15:0] B ); //*************code***********// wire[15:0]C; assign C=A; assign B=(C<<7)+(C<<6)+(C<<5)+(C<<4)+(C<<3)+(C<<1)+C;//注意符号运算级 //*************code***********// endmodule