I&#x27;m amazed that the NG80386SXLP20 is still available (in stock at Digikey).<p>I made a similar design 20 years ago, but with the IDT79R3041 MIPS CPU (sadly no longer available) and XC3030 FPGA: <a href="https:&#x2F;&#x2F;github.com&#x2F;jhallen&#x2F;joes-sandbox&#x2F;tree&#x2F;master&#x2F;hw&#x2F;handheld" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;jhallen&#x2F;joes-sandbox&#x2F;tree&#x2F;master&#x2F;hw&#x2F;handh...</a>