文件名称:8259-external-interrupt
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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。当有单次脉冲输入时,用8255连接的led灯记录中断的次数-Control with 8088/86 8259 programmable interrupt controller, to realize the external interrupt response and handling. Required procedures for each interrupt count, and count the results of the PA with a 8255 port output to the LED. When a single pulse input, the connection with the 8255 record of the number of interrupts led lights
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8259 external interrupt.doc
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