DOS多任务远程通讯系统的设计与实现

本文介绍作者在ＤＯＳ上开发的多任务远程通讯系统，它可以实现微机之间的远程数据传送、命令控制、定时收发等功能。该程序常驻内存，在后台进行数据通讯。在数据传送期间用户仍可执行ＤＯＳ命令或继续执行程序，在ＤＯＳ上实现了多任务的并发。该系统具有与程序员和用户的两套接口，用户通过命令调用其功能，而程序员可在汇编，Ｃ，ＦＯＸＢＡＳＥ等语言源程序中实现后台数据通讯。

Design and Realization of DOS Multitask Long Distance Communication System

Present a DOS multitask long distance communication system,which transmits data and sends commands from point to point between microcomputers. The program is a TSR. When the program is transmiting data,the user can simultaneously run its own programs or DOS commands. In other words,there is multitask on DOS. The function of the system can be called by users in commands or by programmers in assembler,C,or Foxbase source codes. There are reasonable cmmunication tasks dispatching algorithm and our own back screen communication protocol in the system, and it is a useful tool for programmers to develop communication software.