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modelsim 仿真verilog时,报Missing instance name,什么原因?
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用modelsim仿真verilog时,建2个.v文件 nand_2.v和test_for_nand.v,编译通过,对 test_for_nand.v仿真时,报错: # ** Error: F:/Modelsim/Nand/test_for_nand.v(16): Missing instance name in instantiation of 'nand_2'. # Optimization failed # Error loading design
请教什么原因啊?
nand_2.v
module nand_2(in1,in2,out); input in1,in2; output out; assign out=~(in1&in2); endmodule
test_for_nand.v
`timescale 10ns/1ns `include "nand_2.v" module test_for_nand2; reg a,b; wire out0; initial begin a=0;b=0; #1 a=1;b=0; #1 a=0;b=1; #1 a=1;b=1; end initial begin $monitor("Time=%0d a=%b b=%b out=%b",$time,a,b,out0); end nand_2(a,b,out0); endmodule
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