Here are a couple of articles about a homebrew FPGA (only one logic cell, but it's step in your direction). https://hackaday.com/2012/09/20/homebrew-fpgas/ htt

Here are a couple of articles about a homebrew FPGA (only one logic cell, but it's step in your direction). https://hackaday.com/2012/09/20/homebrew-fpgas/ https://hackaday.com/2012/09/20/homebrew-fpgas/ http://blog.notdot.net/2012/10/Build-your-own-FPGA http://blog.notdot.net/2012/10/Build-your-own-FPGA