Here is a device that recreates many classic computers with an FPGA https://github.com/mist-devel/mist-board/wiki https://github.com/mist-devel/mist-board/wiki

Here is a device that recreates many classic computers with an FPGA https://github.com/mist-devel/mist-board/wiki https://github.com/mist-devel/mist-board/wiki and I can also think of http://redpitaya.com http://redpitaya.com which is primarily an FPGA based O-scope and SDR, but you can download "apps" for it to work of other common electronics workbench devices.