You can't beat the articles in the Circuit Cellar Ink #65 December 1995 issue for an introduction and samples: "Low Cost FPGA Development System" see also http://www.xess.com/FPGA and "In-Circuit-Programmable GALs". Back issue is available electronically at http://www.circuitcellar.com/cds_available.htm The following sites list Free(?) Intellectual Properties (applications for FGPAs or CPLDs) http://www.scsise.wmin.ac.uk/~seamang/freehardware.html http://www.cmosexod.com/ http://circu.its.tudelft.nl/ http://www.scsise.wmin.ac.uk/~seamang/freehardware.html http://www.scrap.de/html/openip.htm http://www.geocities.com/SiliconValley/Chip/5014/ http://www.vhdl.org/vi/fmf/ http://tech-www.informatik.uni-hamburg.de/vhdl/vhdl.html http://dmoz.org/Computers/Open_Source/Hardware/ http://www.mindspring.com/~tcoonan freeware Verilog PIC CPU core http://www.silicore.net. Pro PIC CPU core. http://www.fpga-design.com/ James Newton, webmaster http://get.to/techref jamesnewton@geocities.com 1-619-652-0593 phoneÊ -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Martin McCormick Sent: Thursday, August 05, 1999 9:52 AM To: PICLIST@MITVMA.MIT.EDU Subject: Re: Logic substitutes I am curious as to what the code of a logic array program looks like. Is there a site of any kind on the Internet that I can go to which has samples? If I can learn how to use this technology, it along with PIC's should turn most projects in to a much smaller package. Martin McCormick