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_reg(a);
assign d = data_reg(b);

function [3:0] data_reg;
	input [3:0] data_in;
	integer i;
	begin
		for(i=0;i<4;i=i+1)
			begin:data_rev
				data_reg[i]=data_in[3-i];
			end

	end


endfunction


endmodule