双字节转BCD码

8259A中断控制器实验 253A的计数器0为工作方式0，装入时间常数FFFFH，结束中断时显示信息：8253A INTERRUPT EXPERIMENT！-8259A interrupt controller experimental 253A of counter 0 0 way to work, the time constant FFFFH loaded to end disruption to display information : 8253A INTERRUPT EXPERIMENT!

这是一个IO口模拟串口，采用51汇编代码编写的程序-This is a simulation of serial IO port, using a program written in assembly code 51

介绍tc35i与单片机通信的汇编语言编程方法。-TC35i introduce single-chip communications and assembly language programming.

E2PROM c51程序，已经在我的平台上调试通过了，芯片可以是各大厂家的24C0x系列产品。-E2PROM c51 procedures, has been in my debug platform adopted, the chip can be 24C0x major manufacturers products.

一个由asm编写的程序，程序用于自动产生若干个随机数-Asm prepared by a procedure, the procedure used to automatically generate a number of random numbers

PIC18F252/452 bootloader-PIC18F252/452 Bootloader

RS232 Com Prot Test from internet

农夫过河问题的解决方法-farmer across the river the solution to the problem

费额显示器的通信程序和图纸，-fee for monitors communications procedures and drawings,

用89C51串行口外接CD4094移位寄存器扩展8位并行口，8位并行口的每位都接一个发光二极管，要求发光二极管从左到右以一定延迟轮流显示，并不断循环。-Using 89C51 external serial port expansion CD4094 shift register 8-bit parallel port, 8-bit parallel port of each one, all light-emitting diodes, light emitting diodes require a certain delay in rotation from left to right shows, and continue the cycle.