17.3 Instruction Set

• 17.3.A 'A' Instructions
• AAA -- ASCII Adjust after Addition
• AAD -- ASCII Adjust AX before Division
• AAM -- ASCII Adjust AX after Multiply
• AAS -- ASCII Adjust AL after Subtraction
• ADC -- Add with Carry
• ADD -- Add
• AND -- Logical AND
• ARPL -- Adjust RPL Field of Selector
• 17.3.B 'B' Instructions
• BOUND -- Check Array Index Against Bounds
• BSF -- Bit Scan Forward
• BSR -- Bit Scan Reverse
• BT -- Bit Test
• BTC -- Bit Test and Complement
• BTR -- Bit Test and Reset
• BTS -- Bit Test and Set
• 17.3.C 'C' Instructions
• CALL -- Call Procedure
• CBW/CWDE -- Convert Byte to Word/Convert Word to Doubleword
• CLC -- Clear Carry Flag
• CLD -- Clear Direction Flag
• CLI -- Clear Interrupt Flag
• CLTS -- Clear Task-Switched Flag in CR0
• CMC -- Complement Carry Flag
• CMP -- Compare Two Operands
• CMPS/CMPSB/CMPSW/CMPSD -- Compare String Operands
• CWD/CDQ -- Convert Word to Doubleword/Convert Doubleword to
• 17.3.D 'D' Instructions
• DAA -- Decimal Adjust AL after Addition
• DAS -- Decimal Adjust AL after Subtraction
• DEC -- Decrement by 1
• DIV -- Unsigned Divide
• 17.3.E 'E' Instructions
• ENTER -- Make Stack Frame for Procedure Parameters
• 17.3.H 'H' Instructions
• HLT -- Halt
• 17.3.I 'I' Instructions
• IDIV -- Signed Divide
• IMUL -- Signed Multiply
• IN -- Input from Port
• INC -- Increment by 1
• INS/INSB/INSW/INSD -- Input from Port to String
• INT/INTO -- Call to Interrupt Procedure
• IRET/IRETD -- Interrupt Return
• 17.3.J 'J' Instructions
• Jcc -- Jump if Condition is Met
• JMP -- Jump
• 17.3.L 'L' Instructions
• LAHF -- Load Flags into AH Register
• LAR -- Load Access Rights Byte
• LEA -- Load Effective Address
• LEAVE -- High Level Procedure Exit
• LGDT/LIDT -- Load Global/Interrupt Descriptor Table Register
• LGS/LSS/LDS/LES/LFS -- Load Full Pointer
• LLDT -- Load Local Descriptor Table Register
• LMSW -- Load Machine Status Word
• LOCK -- Assert LOCK# Signal Prefix
• LODS/LODSB/LODSW/LODSD -- Load String Operand
• LOOP/LOOPcond -- Loop Control with CX Counter
• LSL -- Load Segment Limit
• LTR -- Load Task Register
• 17.3.M 'M' Instructions
• MOV -- Move Data
• MOV -- Move to/from Special Registers
• MOVS/MOVSB/MOVSW/MOVSD -- Move Data from String to String
• MOVSX -- Move with Sign-Extend
• MOVZX -- Move with Zero-Extend
• MUL -- Unsigned Multiplication of AL or AX
• 17.3.N 'N' Instructions
• NEG -- Two's Complement Negation
• NOP -- No Operation
• NOT -- One's Complement Negation
• 17.3.O 'O' Instructions
• OR -- Logical Inclusive OR
• OUT -- Output to Port
• OUTS/OUTSB/OUTSW/OUTSD -- Output String to Port
• 17.3.P 'P' Instructions
• POP -- Pop a Word from the Stack
• POPA/POPAD -- Pop all General Registers
• POPF/POPFD -- Pop Stack into FLAGS or EFLAGS Register
• PUSH -- Push Operand onto the Stack
• PUSHA/PUSHAD -- Push all General Registers
• PUSHF/PUSHFD -- Push Flags Register onto the Stack
• 17.3.R 'R' Instructions
• RCL/RCR/ROL/ROR -- Rotate
• REP/REPE/REPZ/REPNE/REPNZ -- Repeat Following String Operation
• RET -- Return from Procedure
• 17.3.S 'S' Instructions
• SAHF -- Store AH into Flags
• SAL/SAR/SHL/SHR -- Shift Instructions
• SBB -- Integer Subtraction with Borrow
• SCAS/SCASB/SCASW/SCASD -- Compare String Data
• SETcc -- Byte Set on Condition
• SGDT/SIDT -- Store Global/Interrupt Descriptor Table Register
• SHLD -- Double Precision Shift Left
• SHRD -- Double Precision Shift Right
• SLDT -- Store Local Descriptor Table Register
• SMSW -- Store Machine Status Word
• STC -- Set Carry Flag
• STD -- Set Direction Flag
• STI -- Set Interrupt Flag
• STOS/STOSB/STOSW/STOSD -- Store String Data
• STR -- Store Task Register
• SUB -- Integer Subtraction
• 17.3.T 'T' Instructions
• TEST -- Logical Compare
• 17.3.V 'V' Instructions
• VERR, VERW -- Verify a Segment for Reading or Writing
• 17.3.W 'W' Instructions
• WAIT -- Wait until BUSY# Pin is Inactive (HIGH)
• 17.3.X 'X' Instructions
• XCHG -- Exchange Register/Memory with Register
• XLAT/XLATB -- Table Look-up Translation
• XOR -- Logical Exclusive OR