【摘要】 本文旨在介绍一种方法，这种方法在硬件上只用到ＩＢＭ－ＰＣ微机中的定时器，其余全部利用软件来实现在ＤＯＳ环境下对多个并行任务的实时控制更多还原

【Abstract】 This paper is concentrated on describing a new method, in which the timer of IBM personal computer is only used hardware, the other work is all done by programme. Using this method, real time control to many parallel tasks under DOS environment can be realized.更多还原