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// This directory contains files which are too small to be projects in themselves.
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//
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// Examples of such files might be:
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// prototype copyright files
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// parameterizable cell libraries
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// files which implement some interesting low-level function
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// files which are used as components in several projects
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//
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// Each file should be self-documenting so that a quick glance would serve
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// to explain what it is and why it is here.
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//
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// As a courtesy, each file could also have a small entry here to make it
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// easy to browse the directory looking for interesting stuff.
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//
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// "opencores_copyright.v" is an example of a copyright file one might
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// include to control the use and abuse of a file stored in this web site.
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//
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// "synchronizer_flop.v" is a behaviorial description of a 1-bit flop.
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// It should be manually instantiated in EACH AND EVERY MODULE which
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// uses a flop to synchronize a signal from one clock domain to another.
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// In real use, the user of this file will generate a simulation module
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// which will behave like a normal flop when presented with 1, 0, X, or Z.
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// This special-purpose module will NOT have setup and hold tests. It will
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// NOT convert a valid value into an X due to setup timing being violated.
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// This module makes it possible to simulate gate-level netlists with
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// multiple clock domains without fear of making inappropriate X's.
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//
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// "grey_to_binary.v" is an example of code which takes a binary number
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// and converts it to grey code, and vice versa.
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// This module has a parameter which describes how wide the operands
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// are.
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// This module does not use for-loops to generate the functions. Instead,
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// it manually does the translation for widths up to 16 bits.
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// If the user wants fewer bits, the synthesis tool removes the extra.
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//
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// "plesiochronous_fifo.v" is an example of a FIFO which transfers packets
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// between two clock domains.
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// The clocks are REQUIRED to be close to one-another in frequency.
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// The Writer is REQUIRED to skip writes every so often, to make sure that
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// the FIFO doesn't overflow.
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// This file instantiates the synchronizer_flop mentioned above.
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//
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// "hamming_ecc_64.v" is an example of how to use 8 bits of redundant data to
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// correct single-bit errors and detect double-bit errors in 64 bits of data.
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// There are probably better ways to reorder the terms to reduce loads, and
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// to change the formulas to detect a larger percentage of likely errors.
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//
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