Just to add a little bit more - there's been a handful of developments around the SuperH as patents start to lapse. The Open Processor Foundation have a couple

Just to add a little bit more - there's been a handful of developments around the SuperH as patents start to lapse. The Open Processor Foundation have a couple of SuperH implementations you can use on an FPGA (note: I haven't tried this) they've got a bit of information up at their website: http://0pf.org/ http://0pf.org/ However this article is a better introduction IMO: https://lwn.net/Articles/647636/ https://lwn.net/Articles/647636/