串操作指令的使用方法 编写程序，将数据段中BUF1为首地址的一组字数据传送到附加段中BUF2为首地址的内存区域，试用串操作指令编程。-String operation instructions to use the procedure to prepare the data in paragraph BUF1 address a group headed by the word data to the additional paragraph headed BUF2 address memory