Intel 8080
Intel 80x86
Brief CPU History: https://www.slideshare.net/Ramzi_Alqrainy/intel-microprocessor-history
Brief Intel History: https://www.intel.com/content/www/us/en/history/historic-timeline.html
64-Bit Registers: https://msdn.microsoft.com/en-us/magazine/cc301708.aspx
Register Stack Engine: https://msdn.microsoft.com/en-us/magazine/cc301711.aspx