Configurable cpu core that supports Z80, 8080 and gameboy instruction sets

基于DE2开发板的VGA显示模块，仅供大家参考-DE2 development board based on the VGA display module, for your reference

cache，实现了部分简单指令，仿真模拟确认可行(Single-cycle CPU, to achieve some simple instruction, simulation confirm feasible)

用verilog语言实现DCT编解码 附有DCT的说明(Using Verilog language realize DCT codec with a description of DCT)

电子密码锁程序，密码输入正确之后，锁就打开，如果输入的三次的密码不正确，就锁定按键3秒钟，同时发现报警声-Electronic code lock procedure, enter the correct password, the lock will open, if entered incorrect password three times, on the lock button 3 seconds, also found the sound alarm

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

使用verilog实现模六十计数即0-1-2-3-4-5-.......-59-0-1-2的功能。(Use Verilog to realize the function of the mode sixty count, 0-1-2-3-4-5-....-59-0-1-2.)

sram 读写小程序，用verilog编写的，请各位高手指教-SRAM read and write small programs using Verilog prepared, please enlighten you master

qpsk调制解调，结果可以通过示波器进行观察(qpsk modulation and demodulation, the results can be observed by an oscilloscope)

基于verilog的cpri接口代码，支持各种速率自由切换，量产产品实际应用代码(Cpri interface based on verilog code, support various rate free switch, production products the actual application code)

说明：  fpga程序，产生1pps脉冲信号，使用的verilog语言。(FPGA program generates 1 PPS pulse signal, using Verilog language.)