Legal issues

This disk contains VHDL source code written by Doug 
Smith and copyrighted by Doone Publications. You are welcome to 
use the source code, but you must keep the Copyright notice with 
the code. If you modify the code for your own requirements, it 
would be polite to acknowledge Doone Publications - Doug Smith 
as the source of the original code in your own code with a 
comment to that effect. For example, 

VHDL

  -- Original source Copyright Doone Publications - Doug Smith
  -- Modified by: your name here 


When using this code as the starting point or inspiration for 
your own code developements, or when you substantially alter 
our code so that it no longer reflects the functionality or 
structure of our original code, you do not need an 
acknowledgement comment.