汇编语言课件 和练习题 供初学者用 初学者值得下载啊

交通控制MASM程序需要硬件实现-traffic control procedures needed hardware

用VB实现USB功能，主要是通过调用EasyD12.dll动态连接库函数,控制USBU端对 DP-51学习板24WC02时行读写控制。-VB USB functions, mainly through call EasyD12.dll DLL function, USBU-right control of DP-51 learning at the plate WC02 24 firms control read and write.

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一个计算程序，能实现加、减、乘、除的计算。该程序接受 的是16进制数。 执行时，需在文件名后直接跟上计算表达式-a computer program can achieve, plus or minus, by, in addition to the calculation. The program is acceptable to the 16-band number. Implementation required in the file name directly to keep up with the formulas

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DOS下基于28f512的小型文件系统 format.asm/list.asm/erasetes.asm/readfl.asm/start.asm/writefl.asm-28f512 DOS-based file system of small format.asm/list.a sm/erasetes.asm/readfl.asm/start.asm/wri tefl.asm

一、 使用键盘显示接口芯片8279接收按键键值，并在七段数码管上显示出来，通过判断键值进入相应音乐播放处理程序。在音乐播放程序中，使用定时器/计数器8253的计数器2，使其工作在方式¬ ¬ 3―方波发生器，通过查表依次取出乐曲频率值送入计数器作为计数初值，经out2输出方波，驱动扬声器发出不同频率的声音，在每个音阶之间加入相应的延迟时间，即实现了音乐的播放。-First, the use of a keyboard display interface chip receive keys keys 8279, and Seven-Segment LED display, through to determine the corresponding music player keys to enter the treatment program. Procedures in the music player, use the timer/counter 2 counter 8253 to work in the way ? ? 3- square-wave generator, followed by out music through the look-up table values into the counter as a frequency count of the initial value, the output side out2 waves, driven loudspeakers of different frequency sound, in between each scale by adding the appropriate delay time, namely, the realization of the music player.

利用VB语言实现SQL数据库和数据库中表的建立，减少了用户直接手动输入的麻烦。-VB language implementation using SQL database and the establishment of a database table, reducing the user directly to the trouble of manually entered.

232通信，我调试过，没有什么问题。情大家下载-232 communications, I debugging, without any problem. We downloaded situation

用汇编编写的密码锁，proteus仿真，程序，原理图全套，希望对需要的人有用-Compilation prepared by using locks, proteus simulation, procedures, a full set of schematic diagram, in the hope that those who need it useful