vhdl,双向移位寄存器，实现置数，左移及右移操作

利用VHDL实现CPLD（EMP240T100C5）的PWM输出-Using VHDL realize CPLD (EMP240T100C5) of the PWM output

ModelSim的波形比较的功能可以将当前仿真与一个参考数据（WLF文件）进行比较，比较的结果可以在波形窗口或者列表窗口中查看，也可以将比较的结果生成一个文本文件-ModelSim waveform can be compared to the current functional simulation with a reference (WLF paper ), the results can be compared in the waveform window or window List View, it will also compare the results generate a text file

16位元浮点数CPU,可作运算,以VHDL编写-16-bit floating point CPU, can be used for computing in order to prepare VHDL

采用VHDL语言设计的基于LUT的正弦波发生器，已通过调试，并给出了pics仿真结果

说明：  Verilog HDL语言编写的32位程序计数器（PC）完整工程及相应仿真，QuartusII7.2下编译通过可正常使用。(Complete engineering and simulation of Verilog HDL language of the 32-bit program counter (PC), QuartusII7.2 compiled through normal use.)

RGB vga driver for manipulating the colours of a given image buffer. The code has beeen written in vhdl

信号完整的一些总结，非常实用，适合开始着使用(A book for signal integrated)

用verilog HDL编写的SPI控制器，从国外网站上找到的。-SPI (Serial Peripheral Interface) is serial, synchronous, full duplex communication protocol. It is widely used as a board-level interface between different devices such as microcontrollers, DACs, ADCs and others.

电机控制中PWM波产生的程序，VHDL语言实现-Motor Control PWM wave generated by the procedure, VHDL language

说明：  很好的免费学些 verilog教程 欢迎下载(Learn a good free download verilog tutorials welcome)