该程序通过DOS 提供了一组对磁盘文件的建立、打开、关闭和读写等操作的功能调用，利用 DOS 和 BIOS 的功能调用，汇编语言可实现对磁盘文件的存取。对磁盘文件的管理采用文件句柄方式。现菜单选择以及处理各种功能键的多种中级功能。实现复制、剪切、粘贴等高级功能，并且制作一个菜单，使用菜单条选择功能，让用户选择演奏的乐曲，实现音阶演奏。实现枪声，界面美观，程序结构化程度高，模块结构合理。

此压缩包包括所以课程设计文档和源代码-The procedure provides a set of DOS disk files on the establishment of open, close and read and write operations, such as function calls, using DOS and BIOS function call, assembly language can be realized on the disk file access. The management of disk files using file handles way. Are dealing with a variety of menu options and function keys of a variety of mid-level functions. The realization of copy, cut, paste and other advanced features, and create a menu, use the menu bar to choose, allowing users to choose playing music, playing to achieve scale. The realization of gunshots, the interface appearance, high degree of program structure, module structure reasonable. So this package including curriculum design documents and source code