Gain valuable assembly code programming knowledge with the help of this newly revised book. Readers will be trained on programming the Intel 8051 microcontroller, one of the most common microprocessors used in controls or instrumentation applications that use assembly code. The third edition teaches current principles of computer architecture including simulation and programming, with new state-of-the-art integrated development software that is included at the back of the book. The writing style engages readers and renders even complex topics easy to absorb. Practical examples of assembly code instructions illustrate how these instructions function. Complex hardware and software application examples are also provided.