OpCode of Intel Assembly 80x86

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TRANSFER Name Comment Syntax MOV Move (copy) MOV Dest,Source XCHG Exchange XCHG Op1,Op2 STC Set Carry STC CLC Clear Carry CLC CMC Complement Carry CMC STD Set Direction STD CLD Clear Direction CLD STI Set Interrupt STI CLI Clear Interrupt CLI PUSH Push onto stack PUSH Source PUSHF Push flags PUSHF PUSHA Push all general registers PUSHA POP Pop from stack POP Dest POPF Pop flags POPF POPA Pop all general registers POPA CBW Convert byte to word CBW CWD Convert word to double CWD CWDE Conv word extended double CWDE IN Input IN Dest, Port OUT Output OUT Port, Source ARITHMETIC Name Comment Syntax ADD Add ADD Dest,Source ADC Add with Carry ADC Dest,Source SUB Subtract SUB Dest,Source SBB Subtract with borrow SBB Dest,Source DIV Divide (unsigned) DIV Op IDIV Signed Integer Divide IDIV Op MUL Multiply (unsigned) MUL Op IMUL Signed Integer Multiply IMUL Op INC Increment INC Op DEC Decrement DEC Op CMP Compare CMP Op1,Op2 SAL Shift arithmetic left SAL Op,Quantity SAR Shift arithmetic right SAR Op,Quantity RCL Rotate left through Carry RCL Op,Quantity RCR Rotate right through Carry RCR Op,Quantity ROL Rotate left ROL Op,Quantity ROR Rotate right ROR Op,Quantity LOGIC Name Comment Syntax NEG Negate (two-complement) NEG Op NOT Invert each bit NOT Op AND Logical and AND Dest,Source OR Logical or OR Dest,Source XOR Logical exclusive or XOR Dest,Source SHL Shift logical left SHL Op,Quantity SHR Shift logical right SHR Op,Quantity MISCELLANEOUS Name Comment Syntax NOP No operation NOP LEA Load effective adress LEA Dest,Source INT Interrupt INT Nr JUMPS (general) Name Comment Syntax CALL Call subroutine CALL Proc JMP Jump JMP Dest JE Jump if Equal JE Dest JZ Jump if Zero JZ Dest JCXZ Jump if CX Zero JCXZ Dest JP Jump if Parity (Parity Even) JP Dest JPE Jump if Parity Even JPE Dest RET Return from subroutine RET JNE Jump if not Equal JNE Dest JNZ Jump if not Zero JNZ Dest JECXZ Jump if ECX Zero JECXZ Dest JNP Jump if no Parity (Parity Odd) JNP Dest JPO Jump if Parity Odd JPO Dest JUMPS unsigned (Cardinal) JA Jump if Above JA Dest JAE Jump if Above or Equal JAE Dest JB Jump if Below JB Dest JBE Jump if Below or Equal JBE Dest JNA Jump if not Above JNA Dest JNAE Jump if not Above or Equal JNAE Dest JNB Jump if not Below JNB Dest JNBE Jump if not Below or Equal JNBE Dest JC Jump if Carry JC Dest JNC Jump if no Carry JNC Dest JUMPS signed (Integer) JG Jump if Greater JG Dest JGE Jump if Greater or Equal JGE Dest JL Jump if Less JL Dest JLE Jump if Less or Equal JLE Dest JNG Jump if not Greater JNG Dest JNGE Jump if not Greater or Equal JNGE Dest JNL Jump if not Less JNL Dest JNLE Jump if not Less or Equal JNLE Dest JO Jump if Overflow JO Dest JNO Jump if no Overflow JNO Dest JS Jump if Sign (= negative) JS Dest JNS Jump if no Sign (= positive) JNS Dest