Computer Principles of curriculum design report six topics: digital alarm clock 1. Through the 8253 regular pulse generated timer interrupt. In the interrupt service routine to achieve seconds, minute, hour binary (24 hours system). 2. When the minutes and seconds in the current Seven-Segment LED display shows (for example: 091,132). 3. To set the alarm time to the current value (at the time), set the alarm time, alarm function to close and open. Keywords: digital alarm clock, 8253 Timer, LED display, 8255A Parallel Port

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完成实验一.asm
微机原理课程设计报告.doc
汇编实验一.doc
汇编实验二.doc

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