Users interested in Proteus 8051 simulator generally download:
8051 IDE is a simple 8051 microcontroller emulator for the 8051 series of microcontrollers, like 8052, 8031, 8751, 8752, etc. The program is very simple to use and is a good one for those beginning to do 16-bit microcontroller programming. It has all the features to edit and run an assembly language program.
