接口课程实验时候写的小程序，很简单。做为有用者的参考8259 的中断程序-interface when writing small programs and simple. Useful as a reference to the interruption procedures 8259

适用于接口课程设计， 基于8255，8259，8253/8254 VC++开发底层，delphi7开发界面 附带课程设计报告。-courses applicable to the interface design, based on 8255,8259, Count VC bottom delphi7 fringe curriculum development interface design report.