The DMA used in 8237 experiments, the use of environmental integrated environmen...

用8279芯片对4*4矩阵键盘和8个LED显示器进行模拟电梯的实际欲动状况-With the 8279 chip to 4* 4 matrix keyboard and eight LED displays simulation elevator want to move the actual situation of

汇编语言的打字游戏，包括鼠标控制，直接写显存的图形界面，通过rs232连机，记录存档等功能。-An asm typing game. Includes features such as mouse control, direct video memory access, serial communication via rs232 and high score keeping and etc.

ATMEL 24C02 开机计数的例子,包括 I2C 协议的读写,24C02读取和保存数据-ATMEL 24C02 countless examples of the boot, including read and write I2C protocol, 24C02 read and save data

小孩子都会玩的极品飞车小游戏.汇编程序.原对大家的汇编学习有所帮助.-children will be playing the game Need for Speed small. Assembler. Members of the original compilation of learning some help.

将利用I2C总线对24C01进行数据块读写-Will use the I2C bus of the 24C01 data block read and write

这个源代码是可运行的。-the source code can be run.

从键盘输入两个数字(0~7)之间 （1）用16进制表示两个数的和 （2）用四位二进制表示两个数的差，结果一定>=0 （3）用两位十进制表示两个数的积 exemple:-keyboard input from the two figures (0 to 7) between (a) a 16-band, said the number two and (2) with four two binary said the number of poor, the results would certainly gt; = 0 (3) with two decimal number two said the plot example :

可以利用AT89C51,对模数转换IC ADS7804能够显示出其电压值-Can make use of AT89C51, for analog-digital conversion IC ADS7804 can show that its voltage value

矩阵键盘扫描扫描之线反转法.asm把扫描到的键值，通过计算机的串口发送出去。-KEY scanning line inversion method. Asm

  Dim xs As Integer   Dim ys As Integer   Dim alph As Single   Dim lng As Single   Dim m As Integer   Const PI As Single = 3.14159265 Private Function tree(x As Integer, y As Integer, angle As Single, length As Single, n As Integer)     Dim x0 As Integer   Dim y0 As Integer   Dim alpha As Single   Dim beita As Single   Dim leng As Single   BackColor = vbWhite     If n > 0 Then     x0 = x + Cos(angle) * length     y0 = y - Sin(angle) * length     picture1.Line (x, y)-(x0, y0), vbbrake     alpha = angle - PI / 8     beita = angle + PI / 8     leng = 2 * length / 3         Call tree(x0, y0, alpha, leng, n - 1)  &nbs