大家来帮我弄弄这个程序！！！！！！！！！！

lingd

大家来帮我弄弄这个程序！！！！！！！！！！ [复制链接]

这是个8位ALU程序，用quartus软件，它的仿真波形我弄不出来，大家来帮我弄弄吧！！！！ 谁弄出仿真波形贴出来，我看看。。。。。。谢谢大家了！！！ LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY ALU181 IS PORT(S:IN STD_LOGIC_VECTOR(3 DOWNTO 0); A,B : IN STD_LOGIC_VECTOR(7 DOWNTO 0); F : OUT STD_LOGIC_VECTOR(7 DOWNTO 0); COUT : OUT STD_LOGIC_VECTOR(3 DOWNTO 0); M,CN : IN STD_LOGIC; CO,FZ: OUT STD_LOGIC); END ALU181; ARCHITECTURE behav OF ALU181 IS SIGNAL A9,B9,F9: STD_LOGIC_VECTOR(8 DOWNTO 0); BEGIN A9 <= '0' & A ; B9 <= '0' & B ; PROCESS (M,CN,S,A9,B9) BEGIN CASE S IS WHEN"0000"=>IF M='0' THEN F9<=A9+CN;ELSE F9<=NOT A9;END IF; WHEN"0001"=>IF M='0' THEN F9<=(A9 OR B9)+CN;ELSE F9<=NOT(A9 OR B9); END IF; WHEN"0010"=>IF M='0' THEN F9<=(A9 OR (NOT B9))+CN; ELSE F9<=(NOT A9)AND B9;END IF; WHEN"0011"=>IF M='0' THEN F9<="000000000"-CN;ELSE F9<="000000000"; END IF; WHEN"0100"=>IF M='0' THEN F9<=A9+(A9 AND NOT B9)+CN; ELSE F9<=NOT(A9 AND B9);END IF; WHEN"0101"=>IF M='0' THEN F9<=(A9 OR B9)+(A9 AND NOT B9)+CN; ELSE F9<=NOT B9;END IF; WHEN"0110"=>IF M='0' THEN F9<=A9 -B9 - CN;ELSE F9<=A9 XOR B9;END IF; WHEN"0111"=>IF M='0' THEN F9<=(A9 AND (NOT B9)) -CN; ELSE F9<=A9 AND(NOT B9); END IF; WHEN"1000"=>IF M='0' THEN F9<=A9 + (A9 AND B9)+CN; ELSE F9<=(NOT A9) OR B9; END IF; WHEN"1001"=>IF M='0' THEN F9<=A9+B9+CN;ELSE F9<=NOT(A9 XOR B9); END IF; WHEN"1010"=>IF M='0' THEN F9<=(A9 OR(NOT B9))+(A9 AND B9)+CN; ELSE F9<=B9; END IF; WHEN"1011"=>IF M='0' THEN F9<=(A9 AND B9) - CN; ELSE F9<=A9 AND B9; END IF; WHEN"1100"=>IF M='0' THEN F9<=A9 + A9 + CN; ELSE F9<="000000001"; END IF; WHEN"1101"=>IF M='0' THEN F9<=(A9 OR B9)+A9+CN; ELSE F9<=A9 OR (NOT B9); END IF; WHEN"1110"=>IF M='0' THEN F9<=(A9 OR(NOT B9))+A9+CN; ELSE F9<=A9 OR B9; END IF; WHEN"1111"=>IF M='0' THEN F9<=A9-CN; ELSE F9<=A9; END IF; WHEN OTHERS =>F9<="000000000"; END CASE; IF(A9=B9) THEN FZ <='0'; END IF; END PROCESS; F<=F9(7 DOWNTO 0); CO <= F9(8); COUT <="0000" WHEN F9(8)='0' ELSE "0001"; END behav;

stephen100

能解释一下程序么？

riple

你的问题可能不在程序上，在于Quartus的使用上。Quartus的仿真结果在缺省配置下是不反映在波形输入文件上的，反映在仿真报告文件（simulation report）中。 需要在Simulator Tool中勾选Overwrite simulation input file with simulation results选项，才能在波形输入文件中看到仿真结果。