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 = d_out(a) ;
	assign d = d_out(b) ;

function	[3:0] d_out ;
	input	[3:0]	data_in ;
		begin
				d_out[0] = data_in[3] ;			
				d_out[1] = data_in[2] ;
				d_out[2] = data_in[1] ;
				d_out[3] = data_in[0] ;

		end
endfunction
endmodule