Description: 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 Platform: |
Size: 2048 |
Author:思达 |
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Description: 计算机原理课程（微机原理）课程上用到得汇编源程序。包括8250编程，8259，8253，8255，ad0809,dac9021等硬件的汇编代码。相信对于学习这一块的人来说，这些文件内容一看就懂。-Computer Principles Course (Computer Principles) course on the compilation of source code must be used. Including the 8250 program, 8259,8253,8255, ad0809, dac9021 hardware such as assembly code. And I believe that people who learn this one, the contents of these documents to understand at a glance. Platform: |
Size: 9216 |
Author:hhjack |
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