If you want to directly setup your 8051 programming environment and started coding then click here. But i would recommend you to read all theory for 8051 microcontroller down, whenever you get time :).
What is 8051 Standard?
Microcontroller manufacturers have been competing for a long time for attracting choosy customers and every couple of days a new chip with a higher operating frequency, more memory and upgraded A/D converters appeared on the market.
However, most of them had the same or at least very similar architecture known in the world of microcontrollers as “8051 compatible”. What is all this about?