实验2 软件中断实验加8259硬件实验

上传者: fomafar | 上传时间: 2021-05-25 16:12:24 | 文件大小: 358KB | 文件类型: ZIP
1.亮2个灯,暗6个灯,从上到下循环点亮(采用移位指令P77)。要求:采用软件中断方式(假设中断类型号50H),在中断子程序内部实现流水灯的移位控制,主程序负责产生软件中断(汇编指令:INT 50H)。
2.亮2个灯暗6个灯、延时1秒、相反亮6个灯暗2个灯(同一位置)(采用逻辑运算指令p75),循环显示;
如:亮暗亮暗暗暗暗暗-1s-暗亮暗亮亮亮亮亮
3.亮1个灯,暗7个灯。按一次按钮,灯跳一格,从上到下循环点亮。要求:采用外部硬件中断方式(假设中断类型号60H),在中断子程序内部实现流水灯的移位控制

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