computer theories

液晶显示，程序已经调试通过好使，网上汇编程序较少，急大家所需-Liquid crystal display, the program has been through so debug, on-line assembler less urgent requirements of U.S.

在网上找了好长时间DS12887的汇编程序，发现这方面的资料太少，所以现在将这个DS12887时钟芯片的汇编程序发出来，以供大家参考。-DS12887

通用键盘显示程序，可连接带有isp接口的嵌入主板-Universal Keyboard Viewer, can be connected with the isp interface embedded motherboard

AT89C5X,看门狗程序,可以防止程序进入死循环.-AT89C5X, watchdog procedure can prevent the procedure to enter the infinite loop.

应用背景CPasswordKeyboard::CPasswordKeyboard() : CDialog(IDD_PASSWORD_KEYBOARD) { //设置变量 m_nRandLine[0]=rand()%11; m_nRandLine[1]=rand()%10; m_nRandLine[2]=rand()%13; m_nRandLine[3]=rand()%13; //键盘状态 m_bShiftStatus=false; m_bCapsLockStatus=false; //状态变量 m_bMouseDown=false; m_wHoverRow=INVALID_WORD; m_wHoverLine=INVALID_WORD; //键盘字符 m_nItemCount[0]=11; lstrcpyn(m_szKeyboradChar[0][0],TEXT("`1234567890"),CountArray(m_szKeyboradChar[0][0])); lstrcpyn(m_szKeyboradChar[0][1],TEXT("~!@#$%^&*()"),CountArray(m_szKeyboradChar[0][1])); //键盘字符 m_nItemCount[1]=10; lstrcpyn(m_szKeyboradChar[1][0],TEXT("-=[];",./"),CountArray(m_szKeyboradChar[1][0])); lstrcpyn(m_szKeyboradChar[1][1],TEXT("_+{}|:"?"),CountArray(m_szKeyboradChar[1][1])); //

重要的文件 重要的文件 -重要的文件重要的文件重要的文件重要的文件

EASMEdit

AT89S51的并行口P1接4×4矩阵键盘，以P1.0－P1.3作输入线，以P1.4－P1.7作输出线；在数码管上显示每个按键的“0－F”序号。-AT89S51 the parallel port P1 then 4 × 4 matrix keyboard to P1.0-P1.3 as input lines to P1.4-P1.7 for output line in the digital control button displayed on each of the " 0-F" serial number.

M序列的源代码，用于基带信号发生器的设计 -M series source code for the base-band signal generator design

汇编语言写的，显示彩色矩形块。比较简单，给初学图形者用的-Written in assembly language, showing rectangular blocks of color. Relatively simple graphics are used to beginners