The guys over at hackshed have been busy. [Carl] is making programmable logic design easy with an 8 part CPLD tutorial. (March 2018: Link dead. Try the Wayback Machine.) Programmable logic devices… ...

That EPROMs, EEPROMs and kin can be used as programmable logic should probably not come as a major surprise, but [Jimmy] has created a Lisp-based project that makes using these chips as a logic arr… ...

In those days, programmable devices consisted of PALs (programmable array logic devices) and CPLDs (complex programmable logic devices), which were essentially small sets of AND-OR planes with ...