Programmable Logic/Further Reading

Verilog Resources

 * Verilog on Wikipedia

VHDL Resources

 * VHDL
 * The Hamburg VHDL archive
 * VHDL Cookbook (PDF)
 * Ashenden, Peter J., "The Designer's Guide to VHDL", 2nd edition.
 * Designers Guide to VHDL - ISBN 9780120887859
 * www.opencores.org - A home of many open source VHDL and Verilog projects

SystemC Resources

 * SystemC on Wikipedia
 * SystemC.org

Wikibooks Resources

 * Embedded Systems
 * Digital Circuits
 * VHDL for FPGA Design - Principles and Practices
 * Semiconductors
 * Logic for Computer Science