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this procedure is used assembly language digital clock function. By amending the...

于 2023-01-16 发布 文件大小:2.06 kB
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本程序是用汇编语言实现数字时钟功能的.通过修改8259中断控制器的中断屏蔽寄存器(21H号端口) 打开时间中断, 实时中断, 键盘中断-this procedure is used assembly language digital clock function. By amending the 8259 interrupt controller interrupt masking registers (21H, port) to open the interruption time, real-time interrupt and keyboard interrupts

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