: Moving data between registers, or between memory and registers (e.g., MOV , MVI , LDA , STA ).

Perhaps the most practical section of the text is Part III: Interfacing. This is where the rubber meets the road. Gaonkar explains how to connect the CPU to the outside world.

The Intel 8085 is an 8-bit general-purpose microprocessor. While it may seem "dated" by modern standards, its architecture is the blueprint for most contemporary microcontrollers. Gaonkar’s 2014 edition meticulously breaks down the internal hardware, including:

If you are looking to dive deeper into this textbook or plan a curriculum around it, let me know how I can assist.

For managing multiple hardware interrupt requests.