Classification of Instruction set of 8086 with sample programs

Click on each instruction to read its function,explanation and its sample Program.

DATA TRANSFER INSTRUCTIONS

GENERAL – PURPOSE BYTE OR WORD TRANSFER INSTRUCTIONS	SIMPLE INPUT AND OUTPUT PORT TRANSFER INSTRUCTION	SPECIAL ADDRESS TRANSFER INSTRUCTION	FLAG TRANSFER INSTRUCTIONS
MOV PUSH POP XCHG XLAT/XLATB	IN OUT	LEA LDS  LES	LAHF  SAHF  PUSHF  POPF

 

ARITHMETIC INSTRUCTIONS

ADDITION INSTRUCTIONS	SUBTRACTION INSTRUCTIONS	MULTIPLICATION INSTRUCTIONS	DIVISION INSTRUCTIONS
ADD  ADC   INC   AAA  DAA	SUB  SBB  DEC   NEG  CMP  AAS  DAS	MUL  IMUL  AAM	DIV  IDIV  AAD  CBW   CWD

BIT MANIPULATION INSTRUCTIONS

LOGICAL INSTRUCTIONS	SHIFT INSTRUCTIONS	ROTATE INSTRUCTIONS
NOT  AND  OR  XOR   TEST	SHL / SAL  SHR  SAR	ROL  ROR   RCL  RCR

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STRING INSTRUCTIONS

STRING INSTRUCTIONS

REP REPE / REPZ REPNE / REPNZ MOVS / MOVSB / MOVSW COMPS / COMPSB / COMPSW SCAS / SCASB / SCASW LODS / LODSB / LODSW STOS / STOSB / STOSW

PROGRAM EXECUTION TRANSFER INSTRUCTIONS

UNCONDITIONAL TRANSFER INSTRUCTIONS	CONDITIONAL TRANSFER INSTRUCTIONS	ITERATION CONTROL INSTRUCTIONS	INTERRUPT INSTRUCTIONS
CALL RET JMP	JA / JNBE JAE / JNB JB / JNAE JBE / JNA JC JE / JZ JG / JNLE JGE / JNL JL / JNGE JLE / JNG JNC JNE / JNZ JNO JNP / JPO JNS JO JP / JPE JS	LOOP LOOPE / LOOPZ LOOPNE / LOOPNZ JCXZ	INT INTO IRET

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PROCESS CONTROL INSTRUCTIONS FLAG SET / CLEAR INSTRUCTIONS EXTERNAL HARDWARE SYNCHRONIZATION INSTRUCTIONS STC CLC CMC STD CLD STI CLI HLT WAIT ESC LOCK NOP