fulladd.vhd

来自「一本很好的关于学习VHDL的书,Fundamentals of Digital 」· VHDL 代码 · 共 14 行

LIBRARY ieee;
USE ieee.std_logic_1164.all;

ENTITY fulladd IS
	PORT (	Cin, x, y 	: IN	STD_LOGIC ;
			s, Cout 	: OUT 	STD_LOGIC ) ;
END fulladd ;

ARCHITECTURE LogicFunc OF fulladd IS
BEGIN
	s <= x XOR y XOR Cin ;
	Cout <= (x AND y) OR (Cin AND x) OR (Cin AND y) ;
END LogicFunc ;