Use (e.g., GNUSim8085, Sim8085) to test.
No book is perfect, and Gaonkar’s 2014 edition has a few noted drawbacks:
Gaonkar doesn't just list technical specifications; he explains the why behind the design. The 8085 serves as the perfect pedagogical tool because it is complex enough to be functional but simple enough to be completely understood by a single human mind.
The book is legendary for its . The internal block diagram of the 8085 is broken down with such clarity that students can actually visualize the data flow. From the Arithmetic Logic Unit (ALU) to the timing and control unit, Gaonkar demystifies the "black box." He doesn't just tell you what the registers do; he shows you how they interact with the data bus and address bus.
The middle section of the book focuses on programming. While modern coding relies on compilers and abstraction, the 8085 requires Assembly Language.