VHDL实现ALU的源代码，并且提供了一个详细的testbench！

VHDL开发环境，四人抢答器，实现了四个人能同时抢答的功能。-VHDL development environment Answer four, and the realization of the four functions at the same time Answer.

FPGA上使用硬件描述语言实现俄罗斯方块游戏，该游戏支持PS2键盘输入，VGA视频输出，游戏可以选择不同的难度，同时可以记录显示游戏得分，同时包含VC上位机方块形状编辑器的一整套项目方案

说明：  verilog编码器、计数器、加法器的程序(Verilog encoder, counter, adder procedures)

通过CPLD将8位并行数据转换为串行数据并可以采用I2C方式与其他器件连接，可以用于MCU需要与提供I2C接口器件通信的场合。-through CPLD to eight parallel data into serial data and methods can be used I2C connections with other devices, which can be used to provide MCU with I2C Interface Communications occasions.

nseval - Object evaluation, includes control method execution.

编程规范是重中之重，带你书写良好的变成习惯(It is used to measure noise and detect road noise pollution. It is accurate and has good effect.)

SRAM简单测试，测试其性能及其速度，判断SRAM是否可用(Test its performance and speed to determine if SRAM is available)

一个2位的BCD码十进制加法计数器电路，输入为时钟信号CLK，进位 输入信号CIN，每个BCD码十进制加法计数器的输出信号为D、C、B、A和进位输出信号COUT，输入时钟信号CLK用固定时钟，进位输入信号CIN. (A 2-bit BCD code decimal adder counter circuit input as the clock signal CLK, a carry input signal CIN, D, C, B, A, and the carry output signal COUT, each BCD code decimal adder counter' s output signal, the input clock signal CLK Fixed clock, binary input signal CIN.)

Xilinx Licenses 2018

基于OV7670采集，SDRAM缓存，sobel处理，VGA显示的工程，内有全部代码，基于QUARTUS开发板实现。 FPGA 边缘检测(Based on OV7670 acquisition, SDRAM cache, sobel processing, VGA display project, with all the code, based on QUARTUS development board. FPGA edge detection)