The HELLO program is a very simple program that prints "Hello World"
to the serial port of the 8051.  When you can successfully build and
run this program, you have used the entire toolset including:

The uVision integrated development environment.
The C51 compiler, linker and the uVision simulator/debugger.

The ASM program is available in one target:
  Simulator:    uses the uVision simulator for testing