Assembly Language Instructions(8086)

Question

Briefly Explain How Instruction Operations In 8086 Can Be Classified.?

Jeyamari Nandhini M · Answer

The arithmetic operations in the 8086 can be categorized as follows:
Data transfer instructions: These types of instructions involve transfer data using commands such as MOV etc.
Arithmetic instructions: As their name suggest these instructions are used to perform arithmetic operations for ex. ADD, SUB etc.
Logic instructions: Performs special logical gate operations ex NOT OPR etc.
Shift instructions: Used for shift operations in special conditions ex. SHL, SHR.
Rotate instructions: They are used to rotate left, right ex. ROL, ROR.
Flag control instructions: They are used to configure the various flags such as: STC, CLC, CMC, STD etc.
Compare instructions: As their name suggests they are used to perform compare operations
Jump instructions: Used to perform the Jump Operations
Subroutines and subroutine handling instructions: Primarily are used for interrupt handlings ex. IRET, INT etc.
Loop and loop handling instructions: Used to handle loop operations
Strings and string handling instructions: Performed solely on strings.