题解 | #使用函数实现数据大小端转换#

`timescale 1ns/1ns
module function_mod(
	input [3:0]a,
	input [3:0]b,
	
	output [3:0]c,
	output [3:0]d
);
assign c = data_rev(a);
assign d = data_rev(b);

function [3:0] data_rev;
	input [3:0]data_in;//位数一定要上下符合
	begin
		data_rev[0] = data_in[3];
		data_rev[1] = data_in[2];
		data_rev[2] = data_in[1];
		data_rev[3] = data_in[0];

	end
endfunction

endmodule