Repairing a Vectrex using CPLDs
This is amazing; it’s an article from Programmable Logic DesignLine that describes how you can repair an old gaming system by using programmable logic (in the form of a Xilinx CPLD) to emulate a hard-to-replacean obsolete (actually 35 cents each as Kyoorius points out in the comments, but assumed obsolete “for the sake of this […]