说明：  由汇编语言编写的基于DS18B20的多点温度检测程序源码，程序调试通过，不用作改动就可以运行在单片机系统中。
(Prepared by the assembly language DS18B20 based multi-point temperature of the source detection procedure, program debugging through, do not make changes to be able to run in single-chip system.)