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文章介绍了单片微机与软盘驱动器之间的接口操作，重点分析了几个典型指令的实现方法，使单片机能以通用ＰＣ机软盘为存储媒体，实现大容量数据存储。
This paper introduces the interface operation between single-chip microcomputer and floppy disk drive, and focuses on the implementation of several typical instructions, so that the single-chip microcomputer can use general-purpose PC floppy disk as storage medium to realize large-capacity data storage.