Nios II IDE指令集仿真的问题 IDE, Nios, 指令, 仿真

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Nios II IDE指令集仿真的问题:

请问各位高手，我在指令集仿真的时候出现下面的问题，怎么解决啊？

我是个菜鸟，刚学的，希望大家帮助小弟一下啊。

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Warning : SOPC Builder system component LED_PIO is not supported by the simulator ,The ISS may be not incorrect......

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Warning : SOPC Builder system component LED_PIO is not supported by the simulato
r. Simulation may be incorrect if your software attempts to access it
Warning : SOPC Builder system component sysid is not supported by the simulator.
Simulation may be incorrect if your software attempts to access it