四分频的程序，输出clkout0就是二分频，clkout1是四分频

利用QuartusⅡ6.0对所设计的出租车计费器的VHDL代码进行仿真，并在FPGA数字实验系统上实现了该控制。(The Quartus II 6 is used to simulate the VHDL code of the designed taxi billing device, and the control is realized on the FPGA digital experiment system.)

自己写的键盘的扫描4乘4的键盘VHDL 很好用的-KEY SCAN VHDL

vhdl,双向移位寄存器，实现置数，左移及右移操作-vhdl, bi-directional shift register to achieve set the number of left and right shift operation

基于quartus 的一些程序 都是verilog 还是比较有用的 -Based on some of the procedures Quartus Verilog are still quite useful

turbo码的verilog程序，有意者请下载。(turbo code verilog procedures Interested parties please download.)

these files are written in verilog but i am uploading in text format

fpga下的七段数码管显示 大 学 实 验 报 告-fpga under the seven-segment digital tube experiment reports that the University

自己用verilog编写的crc16-ccitt码的产生，是并行的。(Crc16-ccitt code written in verilog generate parallel.)

提供了《自己动手写CPU》本书每一章涉及的OpenMIPS源代码、测试程序。(It provides the OpenMIPS source code and test program in each chapter, which is written in the book "do it yourself CPU".)

这是基于Nios II的12864液晶点亮程序，包含汉字、字符等(This is a program which is based on Nios II ,its function is light the 12864 LCD that including Chinese characters, characters)