键盘实现电子琴功能....用61h和1ah端口实现

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

电动车从起跑线出发（车体不得超过起跑线），沿引导线到达B点。在“直道区”铺设的白纸下沿引导线埋有1~3块宽度为15cm、长度不等的薄铁片。电动车检测到薄铁片时需立即发出声光指示信息，并实时存储、显示在“直道区”检测到的薄铁片数目。 （2）电动车到达B点以后进入“弯道区”，沿圆弧引导线到达C点（也可脱离圆弧引导线到达C点）。C点下埋有边长为15cm的正方形薄铁片，要求电动车到达C点检测到薄铁片后在C点处停车5秒，停车期间发出断续的声光信息。 （3）电动车在光源的引导下，通过障碍区进入停车区并到达车库。电动车必须在两个障碍物之间通过且不得与其接触。 （4）电动车完成上述任务后应立即停车，但全程行驶时间不能大于90秒，行驶时间达到90秒时必须立即自动停车。 -err

抓取CPUID的程序反汇编的源代码，CPUID可以用来读取一些CPU的相关信息-Crawling procedure CPUID disassemble the source code, CPUID can be used to read some CPU related information

这是rs（255，223）编码的verilog源程序。里面有：encode、decode、test－bench等文件。-This is rs (255,223) verilog source coding. Inside : encode, decode, test-bench and other documents.

68013与fifo通信设置，还请各位有时间看看！-68,013 fifo communication with the setup, you also have time to look at!

Swr power meter with character lcd 2x16

DSP程序TI常用例程MatRix,可以参考使用-TI procedure commonly used DSP routines MatRix, can refer to the use of

一个汇编通用对话框例子-a compilation of common dialog example

该款贪吃蛇游戏完全基于底层的汇编语言，采用DOS调用的方式运行，并且是全彩色的，配有详细的游戏说明。-The Snake game is based entirely on the ground floor of the assembly language, used to call DOS run, and the full-color, with a detailed description of the game.

学生选课系统，自己毕业设计时做的，往大家指点！-students, their graduation design done, to instruct you!