https://eater.net -> Build an 8-bit Computer from Scratch
Create in Verilog? https://en.wikipedia.org/wiki/Verilog --> https://github.com/google/bbcpu
Run with Verilator? https://www.veripool.org/wiki/verilator
- http://www.jk-quantized.com/blog/2017/10/20/tutorial-simulating-ben-eaters-cpu
 - https://github.com/JetStarBlues/BenEater_CPU
 - https://github.com/XarkLabs/BenEaterVHDL
 
Other:
- Quartus: https://www.altera.com/downloads/download-center.html
 - https://hackaday.io/project/665-4-bit-computer-built-from-discrete-transistors
 - https://www-users.cs.york.ac.uk/~mjf/simple_cpu/index.html
 - http://embeddedsystems.io/ahmes-a-simple-8-bit-cpu-in-vhdl/
 - https://github.com/erincandescent/O8
 - https://github.com/space1649/8-bit-SAP-Breadboard-Computer-by-Space-Man
 - https://github.com/lightcode/8bit-computer