从ring3切换到ring0的代码

s3c2440bootloader的stepldr修改版，在ads下运行-stepldr modified version of s3c2440bootloader, in ads running

某一层楼20层，有五部互联的电梯。基于线程思想所编写一个电梯调度程序。  每个电梯里面应该有一些按键：数字键、关门键、开门键、等。  每层楼的每部电梯门口，应该有上行和下行按钮。  五部电梯门口的按钮是互联结的，即当一个电梯按钮按下去时，其他电梯的相应按钮也就同时点亮，表示也按下去了。  调度算法是根据这五部电梯的状态，寻找离当前楼层最近的且和请求同方向的电梯给予响应。  所有电梯初始状态都在第一层。每个电梯如果在它的上层或者下层没有相应请求情况下，则应该在原地保持不动。 -err

Simple Editor I tried to make simple editor. I hope that it can help your study.. If you need more comment, please send me e-mail

多线程动画演示程序-multithreading animation demo program

VB制作的简单文件搜索器,因水平有限,急需完善。。。。。VERSION 5.00 Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX" Begin VB.Form FrmMain BorderStyle = 1 "Fixed Single Caption = "文件搜索器" ClientHeight = 1590 ClientLeft = 45 ClientTop = 390 ClientWidth = 3990 Icon = "FrmMain.frx":0000 LinkTopic = "Form1" MaxButton = 0 "False ScaleHeight = 1590 ScaleWidth = 3990 StartUpPosition = 3 "窗口缺省 Begin VB.CommandButton Command3 Caption = "清除信息" Height = 300 Left = 1560 TabIndex = 5 Top = 1155 Width = 1575 End Begin MSComDlg.CommonDialog CommonDialog1 L

可以实现最基本图形的绘制，简单易懂。作为初学者的参考-Can realize the most basic graphics rendering, easy-to-read. As a reference for beginners

当年在大宇时，大宇的财务部主任托我写的一个小软件，好像后来网星的财务部主管也用这个小软件。输入栏要输入的是计税金额。-year in Daewoo, Daewoo"s financial director asked me to write a small software, like the Star network was the financial director also used the small software. Input column to the admission of taxable amount.

关于调用数据库的程序！-database called on the procedure!

C语言的常用算法-C language commonly used algorithm

一个用VB写的四则计算器源代码. 功能:1、实现简单的四则运算 2、加入了每日一贴的功能，为了练习每日一贴程序的编制方法，其实本程序完全没有必要加入此功能 3、程序的难点在于对每个按键的判断，其实是比较麻烦，但技术含量不高，仔细看都能看懂 -a VB wrote four calculators source code. Features : 1, the simple four Operational 2, joined a daily functions, in order to practice a daily process of the preparation method, the procedure is absolutely not necessary to include this feature 3, the procedure is difficult for everyone by Bond judgment, which is troublesome, but not high technological content, carefully read all understand