这是我想从别人的一个非常好的系统…

四则运算，同学编的，不错-four classmates series, it is true

asm sf

生成BCD码。 Name: BIN3toBCD4 Func:2字节二进制整数--->>BCD码四字节转换(Comped BCD) Input: 3进制数人低字节到高字节存放在内部RAM50H，51H,52h单元中 Output: BCD码人低位到高位分别存放在内部RAM53H,54H，55H，56H单元中 USE: R7-R0, 56H-50H-generation BCD. Name : BIN3toBCD4 Func : 2-byte binary integers-- gt; Gt; BCD four byte conversion (Comped BCD) Input : 3 band several low byte to high-byte stored in the internal RAM50H, 51H, chick modules Output : BCD who were low to high deposit on internal RAM53H, 54H, 55H, Social modules USE : R7-R0, Social-50H

只是一个用台湾飞林单片机FM8PS52写的一个定时程序，时间精确到us范围内,有很好的借鉴作用。-Fei-lin of Taiwan is only a microcontroller FM8PS52 write a regular procedure, the time range is accurate to us, there are very good for reference.

用1602和中断式键盘控制一个六层的界面，很实用的哦，其只用六个键来控制，硬件很简单-1602 and interrupted by keyboard control a six-storey interface, very useful Oh, its only six keys to control hardware is very simple

该课程设计使用了三块接口芯片，8253、8255、8259；在程序中需要对8255芯片的控制口进行修改，改成自己所用实验板的端口-The course is designed to use the three interface chip, 8253,8255,8259 in the program need to control the port 8255 to modify the chip, into his own experimental port board

avr 秒节拍程序，采用汇编语言设计编写的通用软件延时子程序-avr seconds beats procedures, the use of assembly language designed to prepare the common software Delay Subroutine

用于键盘扫描功能，适用与初学者，他是4*4键盘的扫描-For the keyboard scanning function, application and beginners, he was 4 * 4 keyboard scanning

用回溯法实现最大团问题-with retroactive law to achieve the greatest problem Mission

API的说明 对UCOS的API介绍很详细 可以供嵌入式系统开发运用-UCOS API description of the API can be very detailed introduction for the use of embedded system development