多位的加减运算，允许有负数.

单片机外部中断的典型应用，proteus仿真，程序，原理图全套。-External interrupt a typical single-chip applications, proteus simulation, procedures, a full set of schematics.

This program inputs 3 numbers and sorts them from largest to smallest.

一种基于arm的嵌入式linux软件开发jtag烧写工具-Based on arm embedded linux software development tools for JTAG programmer

求整数之积，出自C语言参考，提出了一种新的解决两数之积的算法 -Seeking integral product, from a C language reference, proposed a new solution to two the number of the product algorithm

8279键盘显示， 源代码-8279 keyboard show source code

一个I/O实现的8个数码管动态显示程序 内有详细算法说明-An I/O to achieve the 8 digital tube dynamic display procedures have detailed algorithm description

test upload and LED

matlab例题全部代码-all of matlab example code

用汇编语言编写的一些程序的源代码，例：DOS6.0源程序中的硬盘引导记录源程序FDBOOT.ASM，鼠标控制CD-Audio播放程序，专截320*200的截画程序，V86模式切换程序，FASTREBOOT V1.0，Game Faster V1.0，Mixer Volume Ctrler V1.0，-assembly language prepared by the program"s source code, cases : DOS6.0 source of hard disk boot record source FDBOOT.ASM, mouse control CD-Audio player, a cut of 320* 200 closed painting procedures, V86 mode switching procedures, FASTREBOOT V1.0 , the Game Faster V1.0 and V1.0 Mixer Volume Ctrler.

图形显示:一个五角星，按一键，变一种颜色 代码 -graphics : a five-pointed star, according to a key, a color code change