计算达拉斯8位校验码的工具软件，内部使用死循环，要退出时按Ctrl+C，过程中要归零可输入与上次结果相同的数，DOS窗口，输入的数为单字节的十六进制数即00-FF。-Dallas 8 Checksum calculation tool code software, the internal use of the death cycle, and when to withdraw from the Ctrl+ C, the process to zero can be input with the previous results of the same number, DOS window, enter the number of ten single-byte six hexadecimal number that is 00-FF.