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楼主 |
发表于 2009-9-29 15:51:43
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程序
module test(clk,rightdata,dataI,rightout);
input [7:0] rightdata;
input [95:0] dataI;
output signed [31:0] rightout;
input clk;
integer i;
integer j;
reg signed [14:0] rightI;
reg signed [11:0] rightIbuf [7:0];
wire signed [31:0] rightout;
reg signed [15:0] rightIout;
[email=always@(posedge]always@(posedge[/email] clk)
begin
if(i<11)
begin
rightIbuf<=$signed((2*rightdata-1))*$signed((dataI[95:0]>>12*i));
i<=i+1;
end
end
[email=always@(posedge]always@(posedge[/email] clk)
begin
if(j<11)
begin
rightIout<=rightIout+rightIbuf[j];
j<=j+1;
end
end
assign rightout=rightIout*rightIout;
endmodule
file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/KHOVHRPLMDV{L}M%{_]{FQL.jpg
这是功能仿真的结果。
file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/6Z23W80Z4(GXW}]IXMDPPZR.jpg
这是时序仿真的结果,按常理来说,时序仿真应该比功能仿真多时延而已,怎么会连结果都改变呢,想不通,哪位大虾可以帮帮我,小女子先谢谢了。 |
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