NIOS II IDE 编程， uart_txd测试程序，仅供参考。

这主要是学习vhdl和fpga设计的一些资料(study for vhdl and fpga)

说明：  Verilog 入门,如果你要很了解Verilog你不用先谖完一本厚厚的书还弄不清楚Verilog到底在干啥事,这份资料有助於快速了斛Verilog(Verilog Basic, If you try very hard to understand verilog by read a thick book, try read this first you will get a quick understanding of verlog.)

QPSK调制的载波频偏估计，是一个可以调用的函数。接收端进行了一系列的处理。经典的Fitz法(QPSK-carrier frequence offset estimation_ Fitz)

Simple ALU Objectives 1. Explore simple ALU structure. 2. Working with components 3. Working with language templates in ModelSim 4. Making a test bench and simulation using ModelSim

用vhdl语言编写的数字逻辑alu设计，实现包括逻辑运算乘法、加法和移位的运算功能，加入流水线处理，适用于初学硬件语言的同学们

用VHDL编写的RS232串口的通信程序-Written with the VHDL serial RS232 communication program

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".)

用VHDL实现视频控制程序(实现对图像的采集和压缩)-Using VHDL video control procedures (the achievement of the image acquisition and compression)

液晶显示屏显示汉字“年”的驱动程序VHDL(nian VHDL)

占空比1：1的通用分频模块-1:1 generic-frequency module