Complete Instruction Set of 8085 Microprocessor
There are total 256 instructions in 8085 microprocessor. These instructions are classified into seven categories according to their functions these are :
a.Data copy operations
b.Input output operations
c.Arithmetic operations
d.Logical operations
e.Branch operations
f.Machine control operations
g.Stack operations
To define the format of various instructions followings variable names and symbols are used.
In order to understand and write assembly language program it is necessary to learn various type of instructions and also what changes can be made in registers and flags by each instruction after execution.
Readers who are studying microprocessor for the first time are advised to kip the instruction market as they might be difficult to understand at this moment.
The above mentioned seven categories of instructions are discussed in the followings sections.