nuux.vhd

大家一定要看 哦 程序在与多看多练 我找了好久才找到呢

ENTITY nuux IS
		PORT(
		d0,d1,sel: IN	BIT;
		q: OUT	BIT);
END nuux;
ARCHITECTURE connect OF nuux IS
	BEGIN
	cale:PROCESS(d0,d1,sel)
     VARIABLE TMP1,TMP2,TMP3:BIT;
       BEGIN
        tmp1:=d0 AND sel;
        tmp2:=d1 AND (NOT sel);
        tmp3:=tmp1 OR TMP2;
        q<=tmp3;
       END PROCESS;
  END connect;