用VHDL语言编写的可以实现（7，4）汉明码编解码的程序。-Using VHDL language can be achieved (7,4) Hamming Code Codec procedures.

-- Hamming Decoder -- This Hamming decoder accepts an 8-bit Hamming code (produced by the encoder above) and performs single error correction and double error detection. -- download from: www.pld.com.cn & www.fpga.com.cn LIBRARY ieee U