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- 用8088/86控制8259可编程中断控制器,实现对外部中断的响应和处理。要求程序中对每次中断进行计数,并将计数结果用8255的PA口输出到LED。-Controlled by 8088/86 8259 programmable interrupt controller, to achieve a response to external interrupts and processing. Requirements of the program to count on each interru