基于NIOS的硬件中断例程，该程序通过一个外部按键来验证一下中断凼数癿处理过程。所用的软件为quartus和nios。主要分为硬件开发及软件开发两部分。-Based on NIOS hardware interrupt routine, the program by an external button to verify that the interrupt number Taipa 癿 process. The software used for the quartus and nios.