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, the PC, complete the electronic stopwatch function.