题目 电子秒表模拟程序设计 一、设计目的：掌握定时/计数器8253和中断的使用。 二、设计任务：编写汇编程序，在PC机上完成电子秒表功能。 -Subject of electronic stopwatch simulator designed, designed to: master the timer/counter 8253 and interrupted use. Second, the design task: the preparation of assembler, th

59秒精确定时，记录一分钟内的任意时刻，定时器是一个多任务定时提醒软件，安装于电脑上或其它所需要的地方。-59 seconds accurate timing, logging one minute any time, the timer is a multi-task time to remind the software installed on your computer or other necessary places.

汇编语言实现时间片功能，基于51单片机，利用定时器和中断完成任务-Embedded operating system based on 89C51,with the simple time-slot operating system.