keil c51教程 keil c51教程

这是一个读写磁盘文件的例子，其中“infile”为读文件，“wfile”为写文件。-This is a document to read and write disk example, "infile" to read documents, "wfile" written document.

显示一个对话框(已包括可执行文件)-show a dialog box (including the executable file)

sql server工具sql server工具-sql server tools sql server tools

bootsect 在屏幕上打印p 仿于渊的那本自己动手写操作系统-bootsect print red p on the screen follow the book written by yuan yu

介绍tc35i与单片机通信的汇编语言编程方法。-TC35i introduce single-chip communications and assembly language programming.

892051用的显示时钟程序，对汇编学习有用。-Clock Display Program written in 892051 assembly language

（1） 有一个主持人控制开关和8路抢答按扭，当主持人允许抢答时才能进行抢答操作，并用一个数码管显示抢答选手的号码，同时其他选手不能再抢答。 （2）电路上要加个蜂鸣器的电路，当有选手抢答时蜂鸣器响一下。 （3）要有倒计时功能，开始抢答时开始倒20秒计时，用两个数码管显示，当有人抢答时停止倒计时。 2.2拓展部分 用按键可设置倒计时的时间，范围在5秒到30秒之间。-(1) has a host switch and 8-way control button to answer in, when the moderator allowed to be carried out to answer in time to answer in operation, and use an LED display to answer in the number of players, while other players can no longer answer in his place. (2) the circuit, we should add a buzzer circuit, when there are players when the buzzer rang to answer in about. (3) to have the countdown feature to begin to answer in 20 seconds when you start down time, using two digital tube display, when someone stops to answer in the countdown. 2.2 The expansion of part of the buttons can be set with the countdown time, the range of 5 seconds to 30 seconds.

16个按键的 程序， 具体按照扫描的，时间快-16 key procedures, specifically in accordance with the scan, time speed

分类统计字符个数 汇编程序源代码，实现了一个小功能，初级学习者-Number of disaggregated statistical character assembler source code, to achieve a small function, primary learners

汇编语言的准备知识- Assembly language preparation knowledge