FPGA design in MS-DOS Nostalgia (Xilinx / OrCAD)
(From: https://m.youtube.com/watch?v=ldSk8PT89LA&feature=youtu.be)
I never used the DOS mode FPGA tools, but my Intro to Digital Logic course in college used schematic entry for our (XC9000 series?) FPGAs. It’s wild to see how far FPGA design has come.