:Base X86EAS.HLP>main
:Title Intel x86 Instructions
1 Processor Instruction Set Reference (X86EAS.hlp; Easy Assembler Shell v3.99 Copyright(C) 1999 Roman Novgorodov)
1 Instruction Format=Instruction_Format
1 Opcode Column=Opcode_Column
1 Instruction Column=Instruction_Column
1 Description Column=Description_Column
1 Flags Affected=Flags_Affected
1 Exception Mnemonics, Names, and Vector Numbers=exception_mnemonics_names_and_vector_numbers
1 Instruction Set Reference=Instruction_Set_Reference
2 AAA-ASCII Adjust After Addition=AAA_ASCII_Adjust_After_Addition
2 AAD-ASCII Adjust AX Before Division=AAD_ASCII_Adjust_AX_Before_Division
2 AAM-ASCII Adjust AX After Multiply=AAM_ASCII_Adjust_AX_After_Multiply
2 AAS-ASCII Adjust AL After Subtraction=AAS_ASCII_Adjust_AL_After_Subtraction
2 ADC-Add with Carry=ADC_Add_with_Carry
2 ADD-Add=ADD_ADD
2 AND-Logical AND=AND_Logical_AND
2 BOUND-Check Array Index Against Bounds=BOUND_Check_Array_Index_Against_Bounds
2 BSF-Bit Scan Forward=BSF_Bit_Scan_Forward
2 BSR-Bit Scan Reverse=109VTEB
2 BSWAP-Byte Swap=F4Y107
2 BT-Bit Test=ISHLXF
2 BTC-Bit Test and Complement=1NV3VAK
2 BTR-Bit Test and Reset=3RDKZ75
2 BTS-Bit Test and Set=17E19LW
2 CALL-Call Procedure=1VT0_OC
2 CBW/CWDE-Convert Byte to Word/Convert Word to Doubleword=11TM1DR
2 CDQ-Convert Double to Quad=4F1NA5
2 CLC-Clear Carry Flag=6I1SY8
2 CLD-Clear Direction Flag=RE5UHB
2 CLI-Clear Interrupt Flag=13IY83S
2 CLTS-Clear Task-Switched Flag in CR0=4MEW_OP
2 CMC-Complement Carry Flag=YDPVZI
2 CMOVcc-Conditional Move=7_8GXD
2 CMP-Compare Two Operands=4Y5R_0P
2 CMPS/CMPSB/CMPSW/CMPSD-Compare String Operands=134EQUD
2 CMPXCHG-Compare and Exchange=LNMO03
2 CMPXCHG8B-Compare and Exchange 8 Bytes=5IDG_8N
2 CPUID-CPU Identification=1TRZFRQ
2 CWD/CDQ-Convert Word to Doubleword/Convert Doubleword to Quadword=EX6H0.
2 CWDE-Convert Word to Doubleword=1J709S3
2 DAA-Decimal Adjust AL after Addition=IB60B6
2 DAS-Decimal Adjust AL after Subtraction=56J3_7E
2 DEC-Decrement by 1=T4L8GB
2 DIV-Unsigned Divide=115HFEV
2 EMMS-- Empty MMX(tm) Technology State=CB_6GQ
2 ENTER-Make Stack Frame for Procedure Parameters=.JD8TZ
2 F2XM1-Compute 2x-1=3MO.YR5
2 FABS-Absolute Value=IZHBQQ
2 FADD/FADDP/FIADD-Add=FADDFADDPFIADDADD
2 FBLD-Load Binary Coded Decimal=_1P9_R
2 FBSTP-Store BCD Integer and Pop=0_.3DQ
2 FCHS-Change Sign=I_545D
2 FCLEX/FNCLEX-Clear Exceptions=3ZIK2O
2 FCMOVcc-Floating-Point Conditional Move=GGNLIQ
2 FCOM/FCOMP/FCOMPP-Compare Real=2XNS_A2
2 FCOMI/FCOMIP/ FUCOMI/FUCOMIP-Compare Real and Set EFLAGS=F_.WKF
2 FCOS-Cosine=FCOSCosine
2 FDECSTP-Decrement Stack-Top Pointer=1JH.685
2 FDIV/FDIVP/FIDIV-Divide=FDIVFDIVPFIDIVDivide
2 FDIVR/FDIVRP/FIDIVR-Reverse Divide=21IWRHS
2 FFREE-Free Floating-Point Register=2MQRKND
2 FICOM/FICOMP-Compare Integer=H7X1LR
2 FILD-Load Integer=49FVCD
2 FINCSTP-Increment Stack-Top Pointer=1.ULZ.R
2 FINIT/FNINIT-Initialize Floating-Point Unit=1ORG3R
2 FIST/FISTP-Store Integer=OG0JRT
2 FLD-Load Real=19JLU4L
2 FLD1/FLDL2T/FLDL2E/FLDPI/FLDLG2/FLDLN2/FLDZ-Load Constant=2SMP.VG
2 FLDCW-Load Control Word=FEA72P
2 FLDENV-Load FPU Environment=GFM6FW
2 FMUL/FMULP/FIMUL-Multiply=FMULFMULPFIMULMultiply
2 FNOP-No Operation=PJ218G
2 FPATAN-Partial Arctangent=14C.0SF
2 FPATAN-Partial Remainder=FPATAN_Partial_Reminder
2 FPREM1-Partial Remainder=D23HQF
2 FPTAN-Partial Tangent=12ALHFP
2 FRNDINT-Round to Integer=37HE_0N
2 FRSTOR-Restore FPU State=IUTLXT
2 FSAVE/FNSAVE-Store FPU State=1ER7B4N
2 FSCALE-Scale=FSCALESCALE
2 FSIN-Sine=FSINSine
2 FSINCOS-Sine and Cosine=1F5GYCS
2 FSQRT-Square Root=0LJ0W1
2 FST/FSTP-Store Real=BK1V6Z
2 FSTCW/FNSTCW-Store Control Word=4Z_0_I_
2 FSTENV/FNSTENV-Store FPU Environment=E2GHDI
2 FSTSW/FNSTSW-Store Status Word=451PP1
2 FSUB/FSUBP/FISUB-Subtract=FSUBFSUBPFISUBSubtract
2 FSUBR/FSUBRP/FISUBR-Reverse Subtract=KYTWB9
2 FUCOM/FUCOMP/FUCOMPP-Unordered Compare Real=D521OH
2 FWAIT-Wait=FWAITWAIT
2 FXAM-Examine=FXAMExamine
2 FXCH-Exchange Register Contents=A8HYAZ
2 FXTRACT-Extract Exponent and Significand=OEJKW5
2 FYL2X-Compute y * log2x=CD8XPA
2 FYL2XP1-Compute y * log2(x +1)=12XA5R0
2 HLT-Halt=HLTHalt
2 IDIV-Signed Divide=1OALL72
2 IMUL-Signed Multiply=215XBF4
2 IN-Input from Port=SCTBGA
2 INC-Increment by 1=1VOPCBP
2 INS/INSB/INSW/INSD-Input from Port to String=1_0JQL_
2 INT n/INTO/INT 3-Call to Interrupt Procedure=TZ7Y1N
2 INVD-Invalidate Internal Caches=3PC__RN
2 INVLPG-Invalidate TLB Entry=902I.O
2 IRET/IRETD-Interrupt Return=GI0CRA
2 Jcc-Jump if Condition Is Met=1913FV.
2 JMP-Jump=JMPJump
2 LAHF-Load Status Flags into AH Register=W.R6Z
2 LAR-Load Access Rights Byte=2MT0AG
2 LDS/LES/LFS/LGS/LSS-Load Far Pointer=1VRKMI4
2 LEA-Load Effective Address=324J_G0
2 LEAVE-High Level Procedure Exit=11KIDF9
2 LES-Load Full Pointer=VXGK.B
2 LFS-Load Full Pointer=23TB8R
2 LGDT/LIDT-Load Global/Interrupt Descriptor Table Register=122LA31
2 LGS-Load Full Pointer=GLN88W
2 LLDT-Load Local Descriptor Table Register=S_ESCN
2 LIDT-Load Interrupt Descriptor Table Register=199P1H2
2 LMSW-Load Machine Status Word=1.HELSH
2 LOCK-Assert LOCK# Signal Prefix=SC.687
2 LODS/LODSB/LODSW/LODSD-Load String=.4520
2 LOOP/LOOPcc-Loop According to ECX Counter=OXNC1
2 LSL-Load Segment Limit=X.UDHP
2 LSS-Load Full Pointer=2E_.CZ3
2 LTR-Load Task Register=1052JYK
2 MOV-Move=MOVMove
2 MOV-Move to/from Control Registers=352U_WS
2 MOV-Move to/from Debug Registers=1MHKFS6
2 MOVD-Move 32 Bits=EQ7X.K
2 MOVQ-Move 64 Bits=8NSOHT
2 MOVS/MOVSB/MOVSW/MOVSD-Move Data from String to String=12LWVI3
2 MOVSX-Move with Sign-Extension=0MUUGN
2 MOVZX-Move with Zero-Extend=ZFL3U1
2 MUL-Unsigned Multiply=LZ48RH
2 NOP-No Operation=33.__Z
2 NOT-One's Complement Negation=4MGW.KG
2 OR-Logical Inclusive OR=1_LCVV0
2 OUT-Output to Port=1_41WVA
2 OUTS/OUTSB/OUTSW/OUTSD-Output String to Port=5AUZ_EK
2 PACKSSWB/PACKSSDW-Pack with Signed Saturation=424PWX3
2 PACKUSWB-Pack with Unsigned Saturation=0V8A_1
2 PADDB/PADDW/PADDD-Packed Add=2LR_9VX
2 PADDSB/PADDSW-Packed Add with Saturation=SF9KV2
2 PADDUSB/PADDUSW-Packed Add Unsigned with Saturation=OAEHUU
2 PAND-Logical AND=9XMWVE
2 PANDN-Logical AND NOT=1V0W8H8
2 PCMPEQB/PCMPEQW/PCMPEQD-Packed Compare for Equal=12PA.LF
2 PCMPGTB/PCMPGTW/PCMPGTD-Packed Compare for Greater Than=SHHRUW
2 PMADDWD-Packed Multiply and Add=3NHJ9KE
2 PMULHW-Packed Multiply High=2G2OTYP
2 PMULLW-Packed Multiply Low=1ACY5FP
2 POP-Pop a Value from the Stack=6Z4YEB
2 POPA/POPAD-Pop All General-Purpose Registers=C31UQJ
2 POPF/POPFD-Pop Stack into EFLAGS Register=E2W7B1
2 POR-Bitwise Logical OR=I7VO7N
2 PSLLW/PSLLD/PSLLQ-Packed Shift Left Logical=A8T2W8
2 PSRAW/PSRAD-Packed Shift Right Arithmetic=_DRU48
2 PSRLW/PSRLD/PSRLQ-Packed Shift Right Logical=4ER8_HA
2 PSUBB/PSUBW/PSUBD-Packed Subtract=I7UDI6
2 PSUBSB/PSUBSW-Packed Subtract with Saturation=8RLZDR
2 PSUBUSB/PSUBUSW-Packed Subtract Unsigned with Saturation=138IGEC
2 PUNPCKHBW/PUNPCKHWD/PUNPCKHDQ-Unpack High Packed Data=C.1RB_
2 PUNPCKLBW/PUNPCKLWD/PUNPCKLDQ-Unpack Low Packed Data=UZBRDP
2 PUSH-Push Word or Doubleword Onto the Stack=EYCJX4
2 PUSHA/PUSHAD-Push All General-Purpose Registers=Y9J0.H
2 PUSHF/PUSHFD-Push EFLAGS Register onto the Stack=2FC6NR
2 PXOR-Logical Exclusive OR=29TQ_S3
2 RCL/RCR/ROL/ROR--Rotate=RCLRCRROLRORRotate
2 RDMSR-Read from Model Specific Register=2.N.L7S
2 RDPMC-Read Performance-Monitoring Counters=2O.3QWE
2 RDTSC-Read Time-Stamp Counter=SF7ZHN
2 REP/REPE/REPZ/REPNE /REPNZ-Repeat String Operation Prefix=176_ZX3
2 RET-Return from Procedure=4.YGL2
2 ROL/ROR-Rotate=ROLRORRotate
2 RSM-Resume from System Management Mode=1MX2MYP
2 SAHF-Store AH into Flags=6JCL_MM
2 SAL/SAR/SHL/SHR-Shift=SALSARSHLSHRShift
2 SBB-Integer Subtraction with Borrow=EZL0L6
2 SCAS/SCASB/SCASW/SCASD-Scan String=1.J3K3S
2 SETcc-Set Byte on Condition=G2T2ZZ
2 SGDT/SIDT-Store Global/Interrupt Descriptor Table Register=H2COQX
2 SHL/SHR-Shift Instructions=1ZPOHIK
2 SHLD-Double Precision Shift Left=C.D1GM
2 SHRD-Double Precision Shift Right=JHY56Q
2 SIDT-Store Interrupt Descriptor Table Register=6O53I0
2 SLDT-Store Local Descriptor Table Register=1GT3ZYE
2 SMSW-Store Machine Status Word=13HECGX
2 STC-Set Carry Flag=_6.HJL
2 STD-Set Direction Flag=_5PRV8
2 STI-Set Interrupt Flag=Z1RX2N
2 STOS/STOSB/STOSW/STOSD-Store String=I4APQE
2 STR-Store Task Register=10DGSLK
2 SUB-Subtract=SUBSubtract
2 TEST-Logical Compare=1.IX0BI
2 UD2-Undefined Instruction=1LTD_OC
2 VERR, VERW-Verify a Segment for Reading or Writing=CS3PS5
2 WAIT/FWAIT-Wait=WAITFWAITWAIT
2 WBINVD-Write Back and Invalidate Cache=0KEQEL
2 WRMSR-Write to Model Specific Register=5RIP_HR
2 XADD-Exchange and Add=DAYF3C
2 XCHG-Exchange Register/Memory with Register=401LZMU
2 XLAT/XLATB-Table Look-up Translation=1ATAA3P
2 XOR-Logical Exclusive OR=XQ7.5D
2 Unsupported instruction help=83U6MX