s08 sci 汇编语言 s 08 sci 汇编语言 s08 sci 汇编语言

我们接口技术做的实验8253，有需要的就下载吧-we do Interface Technology Experiment 8253, on the need to download it

学生成绩核算系统的设计与实现（25） 要求：（1）按班级按课程从文件中读入相应的平时成绩、期中考试成绩和期末考试成绩。 （2）三个成绩对总评成绩的百分比被定义为常数，各占总成绩的30 、30 和40 。 （3）计算每位学生的总评成绩。 （4）计算该班级本课程的总平均成绩。 （5）计算处于优、良、中、及格、不及格的学生人数以及占总人数的百分比。其中100-90为优，89-80为良，79-70为中，69-60为及格，60分以下为不及格。 （6）按要求输出成绩在优、良、中、及格、不及格各区间的学生学号、成绩。-The student achievement calculation system s design with realizes (25) Request: (1) reads in the corresponding usual result, the midterm examination result and the terminal examinations result according to the class and grade according to the curriculum from the document. (2) three result are defined to the general appraisal result s percentage as the constant, occupies the overall result respectively 30 , 30 and 40 . (3) calculates each student s general appraisal result. (4) calculates this class and grade this curriculum the population mean result. (5) calculates the student population which is in superiorly, good, passes an examination, does not pass an examination as well as accounts for the total number of peop

是苛性碱大地电磁法介枯地人工基相映成趣会人-so good

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使用8255芯片，编写程序控制音乐发生器和LED工作使他们组成声光报警装置，自己设置按键来控制音乐发生器启-The use of 8255 chips, the preparation of program music generator and LED components work so that they sound and light alarm devices, set up their own buttons to control music generator Kai

实现2*2键盘扫描，使用的扫描方式为行列扫描法-Realize 2* 2 keyboard scan, used for scanning the ranks of scanning method

控制道路指示灯的汇编代码-road indicator compiled code

我实验板带的实验程序，留给初学者看看吧，其他的我再整理一下，陆续上传吧-I experiment with the experimental procedure sheet, leaving beginners take a look at it, other like me to organize a series of upload it

ht6222的接收程序 -ht6222 reception procedures

定时器程序采用89c2051 -timer procedures used 89c2051