modelsim 仿真verilog时,报Missing instance name,什么原因?
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):Missinginstancenameininstantiationof\'nand_2\'.#Optimizationfailed#Errorloadingdesign请教什么原因啊?n