代码已经写好了使用的芯片是Cyclone
EP 1C3T100C8,目前不知道如何绘画波形图
LIBRARY ieee;
USE ieee.std_logic_1164.all;
ENTITY comp16 IS
PORT (
da : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
db : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
res : OUT STD_LOGIC_VECTOR(1 DOWNTO 0)
);
END comp16;
ARCHITECTURE trans OF comp16 IS
BEGIN
PROCESS (da, db)
BEGIN
IF (da > db) THEN
res <= "10";
ELSIF (da = db) THEN
res <= "11";
ELSE
res <= "01";
END IF;
END PROCESS;
END trans;