> С другой стороны интересно - до какого уровня можно создать x86 если на платить денег за патенты?

https://opencores.org/projects/ao486
> The ao486 is an x86 compatible Verilog core implementing all features of a 486 SX.
> The core was modeled and tested based on the Bochs software x86 implementation.
> Together with the 486 core, the ao486 project also contains a SoC capable of
> booting the Linux kernel version 3.13 and Microsoft Windows 95.