乐曲硬件演奏电路设计的全部VHDL代码，在QuartusII环境下编译通过，已存在QuartusII项目...

针对京微雅阁的CME300 FPGA教程，里面有几个例程，并附有源代码，初学者可尽快入门。(For Beijing micro Accord CME300 FPGA tutorial, there are a few routines, with source code, beginners can start as soon as possible.)

数字下变频（DDC）在如今基于软件无线电的架构中对系统的整体性能决定性的影响，代码为基于Matlab的4通道DDC程序，程序中可以根据需要调节滤波器等参数评估DDC的性能对于使用FPGA实现DDC有较大的参考价值(Digital down conversion (DDC) in today' s architecture based on software radio system a decisive impact on the overall performance of the code for the 4-channel DDC Matlab-based program, the program can be adjusted according to filter parameters such as the use of performance assessment FPGA DDC DDC has achieved great reference value)

单相混合有源电力滤波器的设计与控制，在matlab中的仿真模型，功能效果很好。(The design and control of single-phase hybrid active power filter in matlab simulation model, the function works well.)

利用Verilog语言中的函数调用实现阶乘运算的功能(Function calls use Verilog language implementation of the factorial function computing)

使用CPLD进行驱动电机演示，使用硬件编程语言，适合初学者-use of motor-driven CPLD for a demonstration of the use of hardware programming language, suitable for beginners

实现一个循环冗余码,是老师给的例子，别的同学已经验证-a cycle ruduandency code

DDs直接数字频率合成器的源代码，其中包括采用IP核和普通两种方式-DDS Direct Digital Synthesizer source code, including the use of IP core and the general two ways

用于fpga学习，共同分享学习经验和交流学习心得-For fpga to learn, to share learning experiences and the exchange of learning

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

請設計一個8位元移位暫存器，規格如下： 當控制線S1，S2輸入為00時，平行載入； 當控制線S1，S2輸入為01時，在一時脈內向右shift 1位元； 當控制線S1，S2輸入為10時，在一時脈內向右shift 2位元； 當控制線S1，S2輸入為11時，在一時脈內向右shift 3位元 (Serial Adder)