ファイル転送プログラムの開発 : スタンドアロンBASICシステムからCP/Mシステムへ

Abstract

Two kinds of Disk Operating Systms (DOS) are supplied by a computer manufacturer to control a floppy disk system of the personal computer : One is the stand alone Disk BASIC Language Processing System (stand alone BASIC), and the other is the CP/M Disk Operating System which is developed by Degital Research Co. Ltd. Indeed, each DOS has respective merits. For example, the stand alone BASIC is easy for the beginner to lean its command sets. On the other hand, the CP/M system can handle several language processing systems. Even so, the imcompatibility between the two systems is found to be inconvenient for a user due to the fact that a disk file prepared by one system cannot be read by another system, vice versa. This Study investigated and developed the concepts of transfering a file (s) from one to another system and converting file((s) from one to another DOS in a personal computer atmosphere. This Study presented one program which can convert a file(s) from the stand alone BASIC system to the CP/M system. The program is written in the BASIC language, and can be applied to the OKI if-800 personal computer. An Application of the concepts can be easiliy done to any other personal computers.