Although the 8085 microprocessor was introduced over four decades ago, it remains relevant in many areas:
Gaonkar details the four primary ways the 8085 accesses data:
Understanding when data moves is as critical as knowing where it goes. The book explicitly breaks down the roles of control lines ( RD¯modified cap R cap D with bar above WR¯modified cap W cap R with bar above ) and status signals ( S1cap S sub 1 S0cap S sub 0