长城机在cdBASEⅢ状态下直接作图

Drawing Graphs Directly under the State of“dBASE Ⅲ”by Using the Great Wall Computer

本文介绍了利用 GWBIOS3.00提供的系统图形驱动文件 GRD.SYS,在cdBASEⅢ状态下直接作图的方法及常用命令格式。

Making use of the system graph,which is supplied by GWBIOS3.00,to drive pro- gram GRD.SYS,this paper introduces the method which drawing graphs directly and the usual command format under c-dBASEⅢ.