80x86指令/2进制码对照表

80x86指令/二进制码对照表

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处理器技术参数：

	Introduction Date	Clock Speeds	Bus Width	Number of Transistors	Addressable Memory	Virtual Memory	Brief Description
4004	11/15/71	108 KHz	4 bits	2,300 (10 microns)	640 bytes		First microcomputer chip, Arithmetic manipulation
8008	4/1/72	108 KHz	8 bits	3,500	16 KBytes		Data/character manipulation
8080	4/1/74	2 MHz	8 bits	6,000 (6 microns)	64 KBytes		10X the performance of the 8008
8086	6/8/78	5 MHz 8 MHz 10 MHz	16 bits	29,000 (3 microns)	1 Megabyte		10X the performance of the 8080
8088	6/1/79	5 MHz 8 MHz	8 bits	29,000 (3 microns)			Identical to 8086 except for its 8-bit external bus
80286	2/1/82	8 MHz 10 MHz 12 MHz	16 bits	134,000 (1.5 microns)	16 Megabytes	1 gigabyte	3-6X the performance of the 8086
Intel386(TM)DX Microprocessor	10/17/85	16 MHz 20 MHz 25 MHz 33 MHz	32 bits	275,000 (1 micron)	4 gigabytes	64 terabytes	First X86 chip to handle 32-bit data sets
Intel386(TM)SX Microprocessor	6/16/88	16 MHz 20 MHz	16 bits	275,000 (1 micron)	4 gigabytes	64 terabytes	16-bit address bus enabled low-cost 32-bit processing
Intel486(TM)DX Microprocessor	4/10/89	25 MHz 33 MHz 50 MHz	32 bits	1,200,000 (1 micron, .8 micron with 50 MHz)	4 gigabytes	64 terabytes	Level 1 cache on chip
Intel486(TM)SX Microprocessor	4/22/91	16 MHz 20 MHz 25 MHz 33 MHz	32 bits	1,185,000 (.8 micron)	4 gigabytes	64 terabytes	identical in design to Intel486(TM) DX but without math coprocessor
Pentium® Processor	3/22/93	60MHz 66MHz 75MHz 90MHz 100MHz 120MHz 133MHz 150MHz 166MHz	32 bits	3.1 million (.8 micron)	4 gigabytes	64 terabytes	superscaler architecture brought 5X the performance of the 33-MHz Intel486 DX processor
Pentium® Pro Processor	3/27/95	150MHz 180MHz 200MHz	32 bits	5.5 million (.32 micron)	4 gigabytes	64 terabytes	dynamic execution architecture drives high-performing processor

处理器技术参数：

下表中 oo 的含义为：

00 : If mmm = 110, then a displacement follows the operation; otherwise, no displacement is used
01 : An 8-bit signed displacement follows the opcode
10 : A 16-bit signed displacement follows the opcode
11 : mmm specifies a register, instead of an addressing mode

下表中 mmm 的含义为：

000 : DS:[BX+SI]
001 : DS:[BX+DI]
010 : SS:[BP+SI]
011 : SS:[BP+DI]
100 : DS:[SI]
101 : DS:[DI]
110 : SS:[BP]
111 : DS:[BX]

下表中 rrr (w=0,w=1,reg32) 的含义为：

000 : AL : AX : EAX
001 : CL : CX : ECX
010 : DL : DX : EDX
011 : BL : BX : EBX
100 : AH : SP : ESP
101 : CH : BP : EBP
110 : DH : SI : ESI
111 : BH : DI : EDI

下表中 sss ( Segment Register ) 的含义为：

000 : ES
001 : CS
010 : SS
011 : DS
100 : FS (Only 386+)
101 : GS (Only 386+)

下表中 rrr ( Index Register ) 的含义为：

000 : EAX
001 : ECX
010 : EDX
011 : EBX
100 : No Index
101 : EBP
110 : ESI
111 : EDI

32 位寻址模式：

oo	mmm	rrr	Description
00	000		DS:[EAX]
00	001		DS:[ECX]
00	010		DS:[EDX]
00	011		DS:[EBX]
00	100	000	DS:[EAX+scaled_index]
00	100	001	DS:[ECX+scaled_index]
00	100	010	DS:[EDX+scaled_index]
00	100	011	DS:[EBX+scaled_index]
00	100	100	SS:[ESP+scaled_index]
00	100	101	DS:[disp32+scaled_index]
00	100	110	DS:[ESI+scaled_index]
00	100	111	DS:[EDI+scaled_index]
00	101		DS:disp32
00	110		DS:[ESI]
00	111		DS:[EDI]
01	000		DS:[EAX+disp8]
01	001		DS:[ECX+disp8]
01	010		DS:[EDX+disp8]
01	011		DS:[EBX+disp8]
01	100	000	DS:[EAX+scaled_index+disp8]
01	100	001	DS:[ECX+scaled_index+disp8]
01	100	010	DS:[EDX+scaled_index+disp8]
01	100	011	DS:[EBX+scaled_index+disp8]
01	100	100	SS:[ESP+scaled_index+disp8]
01	100	101	SS:[EBP+scaled_index+disp8]
01	100	110	DS:[ESI+scaled_index+disp8]
01	100	111	DS:[EDI+scaled_index+disp8]
01	101		SS:[EBP+disp8]
01	110		DS:[ESI+disp8]
01	111		DS:[EDI+disp8]
10	000		DS:[EAX+disp32]
10	001		DS:[ECX+disp32]
10	010		DS:[EDX+disp32]
10	011		DS:[EBX+disp32]
10	100	000	DS:[EAX+scaled_index+disp32]
10	100	001	DS:[ECX+scaled_index+disp32]
10	100	010	DS:[EDX+scaled_index+disp32]
10	100	011	DS:[EBX+scaled_index+disp32]
10	100	100	SS:[ESP+scaled_index+disp32]
10	100	101	SS:[EBP+scaled_index+disp32]
10	100	110	DS:[ESI+scaled_index+disp32]
10	100	111	DS:[EDI+scaled_index+disp32]
10	101		SS:[EBP+disp32]
10	110		DS:[ESI+disp32]
10	111		DS:[EDI+disp32]

处理器指令集：

A || B || C || D || E || H || I || J || L || M || N || O || P || R || S || T || V || W || X

Name	Regs	Opcode	Proc	Description
AAA		00110111	8086	ASCII Adjust After Addition
AAD	Imm8	11010101	Pentium	ASCII Adjust Register AX Before Division
		1101010100001010	8086	ASCII Adjust Register AX Before Division
AAM	Imm8	11010100	Pentium	ASCII Adjust AX Register After Multiplication
		1101010000001010	8086	ASCII Adjust AX Register After Multiplication
AAS		00111111	8086	ASCII Adjust AL Register After Substraction
ADC	Reg,Reg	0001001woorrrmmm	8086	Add Integers with Carry
	Mem,Reg	0001000woorrrmmm	8086	Add Integers with Carry
	Reg,Mem	0001001woorrrmmm	8086	Add Integers with Carry
	Acc,Imm	0001010w	8086	Add Integers with Carry
	Reg,Imm8	1000001woo010mmm	8086	Add Integers with Carry
	Mem,Imm8	1000001woo010mmm	8086	Add Integers with Carry
	Reg,Imm	1000000woo010mmm	8086	Add Integers with Carry
	Mem,Imm	1000000woo010mmm	8086	Add Integers with Carry
ADD	Reg,Reg	0000001woorrrmmm	8086	Add Integers
	Mem,Reg	0000000woorrrmmm	8086	Add Integers
	Reg,Mem	0000001woorrrmmm	8086	Add Integers
	Acc,Imm	0000010w	8086	Add Integers
	Reg,Imm8	1000001woo000mmm	8086	Add Integers
	Mem,Imm8	1000001woo000mmm	8086	Add Integers
	Reg,Imm	1000000woo000mmm	8086	Add Integers
	Mem,Imm	1000000woo000mmm	8086	Add Integers
AND	Reg,Reg	0010001woorrrmmm	8086	Logical AND
	Mem,Reg	0010000woorrrmmm	8086	Logical AND
	Reg,Mem	0010001woorrrmmm	8086	Logical AND
	Acc,Imm	0010010w	8086	Logical AND
	Reg,Imm8	1000001woo100mmm	8086	Logical AND
	Mem,Imm8	1000001woo100mmm	8086	Logical AND
	Reg,Imm	1000000woo100mmm	8086	Logical AND
	Mem,Imm	1000000woo100mmm	8086	Logical AND
ARPL	Reg16,Reg16	01100011oorrrmmm	80286	Adjust Requester Privilege Level of Selector
	Mem16,Reg16	01100011oorrrmmm	80286	Adjust Requester Privilege Level of Selector
BOUND	Reg16,Mem32	01100010oorrrmmm	80186	Check Array Index Against Bounds
	Reg32,Mem64	01100010oorrrmmm	80386	Check Array Index Against Bounds
BSF	RegWord,RegWord	0000111110111100oorrrmmm	80386	Bit Scan Forward
	RegWord,MemWord	0000111110111100oorrrmmm	80386	Bit Scan Forward
BSR	RegWord,RegWord	0000111110111101oorrrmmm	80386	Bit Scan Reverse
	RegWord,MemWord	0000111110111101oorrrmmm	80386	Bit Scan Reverse
BSWAP	RegWord	0000111111001rrr	80486	Byte swap
BT	RegWord,Imm8	0000111110111010oo100mmm	80386	Bit Test
	MemWord,Imm8	0000111110111010oo100mmm	80386	Bit Test
	RegWord,RegWord	0000111110100011oorrrmmm	80386	Bit Test
	MemWord,RegWord	0000111110100011oorrrmmm	80386	Bit Test
BTC	RegWord,Imm8	0000111110111010oo111mmm	80386	Bit Test and Complement
	MemWord,Imm8	0000111110111010oo111mmm	80386	Bit Test and Complement
	RegWord,RegWord	0000111110111011oorrrmmm	80386	Bit Test and Complement
	MemWord,RegWord	0000111110111011oorrrmmm	80386	Bit Test and Complement
BTR	RegWord,Imm8	0000111110111010oo110mmm	80386	Bit Test and Reset
	MemWord,Imm8	0000111110111010oo110mmm	80386	Bit Test and Reset
	RegWord,RegWord	0000111110110011oorrrmmm	80386	Bit Test and Reset
	MemWord,RegWord	0000111110110011oorrrmmm	80386	Bit Test and Reset
BTS	RegWord,Imm8	0000111110111010oo101mmm	80386	Bit Test and Set
	MemWord,Imm8	0000111110111010oo101mmm	80386	Bit Test and Set
	RegWord,RegWord	0000111110101011oorrrmmm	80386	Bit Test and Set
	MemWord,RegWord	0000111110101011oorrrmmm	80386	Bit Test and Set
CBW		10011000	8086	Convert Byte to Word
CDQ		10011001	80386	Convert Doubleword to Quad-Word
CLC		11111000	8086	Clear Carry Flag (CF)
CLD		11111100	8086	Clear Direction Flag (DF)
CLI		11111010	8086	Clear Interrupt Flag (IF)
CLTS		0000111100000110	80286	Clear Task-Switched Flag in Control Register Zero
CMC		11110101	8086	Complementer Carry Flag (CF)
CMOVcc	Reg,Reg	000011110100ccccoorrrmmm	PentiumPro	Conditional Move
	Reg,Mem	000011110100ccccoorrrmmm	PentiumPro	Conditional Move
CMP	Reg,Reg	0011101woorrrmmm	8086	Compare
	Mem,Reg	0011100woorrrmmm	8086	Compare
	Reg,Mem	0011101woorrrmmm	8086	Compare
	Acc,Imm	0011110w	8086	Compare
	Reg,Imm8	1000001woo111mmm	8086	Compare
	Mem,Imm8	1000001woo111mmm	8086	Compare
	Reg,Imm	1000000woo111mmm	8086	Compare
	Mem,Imm	1000000woo111mmm	8086	Compare
CMPSB		10100110	8086	Compare String - Byte
CMPSW		10100111	8086	Compare String - Word
CMPSD		10100111	80386	Compare String - Doubleword
CMPXCHG	Reg,Reg	000011111011000woorrrmmm	80486	Compare and Exchange
	Mem,Reg	000011111011000woorrrmmm	80486	Compare and Exchange
CMPXCHG8B	Mem64	0000111111000111oo001mmm	Pentium	Compare and Exchange 8 Bytes
CPUID		0000111110100010	Pentium	CPU Identification code to EAX
CWD		10011001	8086	Convert Word to Doubleword
CWDE		10011000	80386	Convert Word to Extended Doubleword
DAA		00100111	8086	Decimal Adjust Register After Addition
DAS		00101111	8086	Decimal Adjust AL Register After Substraction
DEC	RegWord	01001rrr	8086	Decrement by One
	Reg	1111111woo001mmm	8086	Decrement by One
	Mem	1111111woo001mmm	8086	Decrement by One
DIV	Reg	1111011woo110mmm	8086	Unsigned Integer Divide
	Mem	1111011woo110mmm	8086	Unsigned Integer Divide
ENTER	Imm16,Imm8	11001000	80186	Make Stack Frame for Procedure Parameter
HLT		11110100	8086	Halt
IDIV	Reg	1111011woo111mmm	8086	Signed Divide
	Mem	1111011woo111mmm	8086	Signed Divide
IMUL	RegWord,RegWord,Imm8	01101011oorrrmmm	80186	Signed Integer Multiply
	RegWord,MemWord,Imm8	01101011oorrrmmm	80186	Signed Integer Multiply
	RegWord,RegWord,Imm	01101001oorrrmmm	80186	Signed Integer Multiply
	RegWord,MemWord,Imm	01101001oorrrmmm	80186	Signed Integer Multiply
	RegWord,Imm8	0110101111rrrqqq	80186	Signed Integer Multiply
	RegWord,Imm	0110100111rrrqqq	80186	Signed Integer Multiply
	RegWord,RegWord	0000111110101111oorrrmmm	80386	Signed Integer Multiply
	RegWord,MemWord	0000111110101111oorrrmmm	80386	Signed Integer Multiply
	Reg	1111011woo101mmm	8086	Signed Integer Multiply
	Mem	1111011woo101mmm	8086	Signed Integer Multiply
IN	Acc,Imm8	1110010w	8086	Input from Port
	Acc,DX	1110110w	8086	Input from Port
INC	RegWord	01000rrr	8086	Increment by 1
	Reg	1111111woo000mmm	8086	Increment by 1
	Mem	1111111woo000mmm	8086	Increment by 1
INSB		01101100	80186	Input Byte
INSW		01101101	80186	Input Word
INSD		01101101	80386	Input DoubleWord
INT	3	11001100	8086	Call to Interrupt Procedure
	Imm8	11001101	8086	Call to Interrupt Procedure
INTO		11001110	8086	Interrupt on Overflow
INVD		0000111100001000	80486	Invalidate data cache
INVLPG	Mem	0000111100000001oo111mmm	80486	Invalidate TBL entry
IRET		11001111	8086	Return from Interrupt
IRETD		11001111	80386	Return from Interrupt - 32-bit Mode
LAHF		10011111	8086	Load Flags into AH Register
LAR	RegWord,RegWord	0000111100000010oorrrmmm	80286	Load Access Rights Byte
	RegWord,MemWord	0000111100000010oorrrmmm	80286	Load Access Rights Byte
LDS	Reg16,Mem32	11000101oorrrmmm	8086	Load Pointer Using DS
	Reg32,Mem64	11000101oorrrmmm	80386	Load Pointer Using DS
LES	Reg16,Mem32	11000100oorrrmmm	8086	Load Pointer Using ES
	Reg32,Mem64	11000100oorrrmmm	80386	Load Pointer Using ES
LFS	Reg16,Mem32	0000111110110100oorrrmmm	80386	Load Pointer Using FS
	Reg32,Mem64	0000111110110100oorrrmmm	80386	Load Pointer Using FS
LGS	Reg16,Mem32	0000111110110101oorrrmmm	80386	Load Pointer Using GS
	Reg32,Mem64	0000111110110101oorrrmmm	80386	Load Pointer Using GS
LSS	Reg16,Mem32	0000111110110010oorrrmmm	80386	Load Pointer Using SS
	Reg32,Mem64	0000111110110010oorrrmmm	80386	Load Pointer Using SS
LEA	RegWord,Mem	10001101oorrrmmm	8086	Load Effective Address
LEAVE		11001001	80186	High Level Procedure Exit
LGDT	Mem64	0000111100000001oo010mmm	80286	Load Global Descriptor Table
LIDT	Mem64	0000111100000001oo011mmm	80286	Load Interrupt Descriptor Table
LLDT	Reg16	0000111100000000oo010mmm	80286	Load Local Descriptor Table
	Mem16	0000111100000000oo010mmm	80286	Load Local Descriptor Table
LMSW	Reg16	0000111100000001oo110mmm	80286	Load Machine Status Word
	Mem16	0000111100000001oo110mmm	80286	Load Machine Status Word
LODSB		10101100	8086	Load Byte
LODSW		10101101	8086	Load Word
LODSD		10101101	80386	Load Doubleword
LSL	RegWord,RegWord	0000111100000011oorrrmmm	80286	Load Segment Limit
	RegWord,MemWord	0000111100000011oorrrmmm	80286	Load Segment Limit
LTR	Reg16	0000111100000000oo011mmm	80286	Load Task Register
	Mem16	0000111100000000oo011mmm	80286	Load Task Register
MOV	MemOfs,Acc	1010001w	8086	Move Data
	Acc,MemOfs	1010000w	8086	Move Data
	Reg,Imm	1011wrrr	8086	Move Data
	Mem,Imm	1100011woo000mmm	8086	Move Data
	Reg,Reg	1000101woorrrmmm	8086	Move Data
	Reg,Mem	1000101woorrrmmm	8086	Move Data
	Mem,Reg	1000100woorrrmmm	8086	Move Data
	Reg16,Seg	10001100oosssmmm	8086	Move Data
	Seg,Reg16	10001110oosssmmm	8086	Move Data
	Mem16,Seg	10001100oosssmmm	8086	Move Data
	Seg,Mem16	10001110oosssmmm	8086	Move Data
	Reg32,CRn	000011110010000011sssrrr	80386	Move Data
	CRn,Reg32	000011110010001011sssrrr	80386	Move Data
	Reg32,DRn	000011110010000111sssrrr	80386	Move Data
	DRn,Reg32	000011110010001111sssrrr	80386	Move Data
	Reg32,TRn	000011110010010011sssrrr	80386	Move Data
	TRn,Reg32	000011110010011011sssrrr	80386	Move Data
MOVSB		10100100	8086	Move Byte
MOVSW		10100101	8086	Move Word
MOVSD		10100101	80386	Move Doubleword
MOVSX	RegWord,Reg8	0000111110111110oorrrmmm	80386	Move with Sign Extension
	RegWord,Mem8	0000111110111110oorrrmmm	80386	Move with Sign Extension
	RegWord,Reg16	0000111110111111oorrrmmm	80386	Move with Sign Extension
	RegWord,Mem16	0000111110111111oorrrmmm	80386	Move with Sign Extension
MOVZX	RegWord,Reg8	0000111110110110oorrrmmm	80386	Move with Zero Extension
	RegWord,Mem8	0000111110110110oorrrmmm	80386	Move with Zero Extension
	RegWord,Reg16	0000111110110111oorrrmmm	80386	Move with Zero Extension
	RegWord,Mem16	0000111110110111oorrrmmm	80386	Move with Zero Extension
MUL	Reg	1111011woo100mmm	8086	Unsigned Integer Multiply of AL, AX or EAX
	Mem	1111011woo100mmm	8086	Unsigned Integer Multiply of AL, AX or EAX
NEG	Reg	1111011woo011mmm	8086	Negate(Two's Complement)
	Mem	1111011woo011mmm	8086	Negate(Two's Complement)
NOP		10010000	8086	No Operation
NOT	Reg	1111011woo010mmm	8086	Negate(One's Complement)
	Mem	1111011woo010mmm	8086	Negate(One's Complement)
OR	Reg,Reg	0000101woorrrmmm	8086	Logical Inclusive OR
	Mem,Reg	0000100woorrrmmm	8086	Logical Inclusive OR
	Reg,Mem	0000101woorrrmmm	8086	Logical Inclusive OR
	Acc,Imm	0000110w	8086	Logical Inclusive OR
	Reg,Imm8	1000001woo001mmm	8086	Logical Inclusive OR
	Mem,Imm8	1000001woo001mmm	8086	Logical Inclusive OR
	Reg,Imm	1000000woo001mmm	8086	Logical Inclusive OR
	Mem,Imm	1000000woo001mmm	8086	Logical Inclusive OR
OUT	Imm8,Acc	1110011w	8086	Output To Port
	DX,Acc	1110111w	8086	Output To Port
OUTSB		01101110	80186	Output Byte
OUTSW		01101111	80186	Output Word
OUTSD		01101111	80386	Output Doubleword
POP	RegWord	01011rrr	8086	Pop a Word from the Stack
	MemWord	10001111oo000mmm	8086	Pop a Word from the Stack
	SegOld	00sss111	8086	Pop a Word from the Stack
	Seg	0000111110sss001	80386	Pop a Word from the Stack
POPA		01100001	80186	POP All Registers
POPAD		01100001	80386	POP All Registers - 32-bit Mode
POPF		10011101	8086	POP Stack into FLAGS
POPFD		10011101	80386	POP Stack into EFLAGS
PUSH	RegWord	01010rrr	8086	Push Operand onto Stack
	MemWord	11111111oo110mmm	8086	Push Operand onto Stack
	SegOld	00sss110	8086	Push Operand onto Stack
	Seg	0000111110sss000	80386	Push Operand onto Stack
	Imm8	01101010	80186	Push Operand onto Stack
	Imm	01101000	80186	Push Operand onto Stack
PUSHW	Imm16	01101000	80286	PUSH Word
PUSHD	Imm32	01101000	80386	PUSH Double Word
PUSHA		01100000	80186	PUSH All Registers
PUSHAD		01100000	80386	PUSH All Registers - 32-bit Mode
PUSHF		10011100	8086	PUSH FLAGS
PUSHFD		10011100	80386	PUSH EFLAGS
RCL	Reg,1	1101000woo010mmm	8086	Rotate Left through Carry - Uses CF for Extension
	Mem,1	1101000woo010mmm	8086	Rotate Left through Carry - Uses CF for Extension
	Reg,CL	1101001woo010mmm	8086	Rotate Left through Carry - Uses CF for Extension
	Mem,CL	1101001woo010mmm	8086	Rotate Left through Carry - Uses CF for Extension
	Reg,Imm8	1100000woo010mmm	80186	Rotate Left through Carry - Uses CF for Extension
	Mem,Imm8	1100000woo010mmm	80186	Rotate Left through Carry - Uses CF for Extension
RCR	Reg,1	1101000woo011mmm	8086	Rotate Right through Carry - Uses CF for Extension
	Mem,1	1101000woo011mmm	8086	Rotate Right through Carry - Uses CF for Extension
	Reg,CL	1101001woo011mmm	8086	Rotate Right through Carry - Uses CF for Extension
	Mem,CL	1101001woo011mmm	8086	Rotate Right through Carry - Uses CF for Extension
	Reg,Imm8	1100000woo011mmm	80186	Rotate Right through Carry - Uses CF for Extension
	Mem,Imm8	1100000woo011mmm	80186	Rotate Right through Carry - Uses CF for Extension
RDMSR		0000111100110010	Pentium	Read from Model Specific Register
RDTSC		0000111101010001	Pentium	Read Timwatamp Counter
RET	NEAR	11000011	8086	Return from subprocedure
RET	imm NEAR	11000010	8086	Return from subprocedure
RET	FAR	11001011	8086	Return from subprocedure
RET	imm FAR	11001010	8086	Return from subprocedure
RDPMC		0000111100110011	PentiumPro	Read Performance Monitor Counter
ROL	Reg,1	1101000woo000mmm	8086	Rotate Left through Carry - Wrap bits around
	Mem,1	1101000woo000mmm	8086	Rotate Left through Carry - Wrap bits around
	Reg,CL	1101001woo000mmm	8086	Rotate Left through Carry - Wrap bits around
	Mem,CL	1101001woo000mmm	8086	Rotate Left through Carry - Wrap bits around
	Reg,Imm8	1100000woo000mmm	80186	Rotate Left through Carry - Wrap bits around
	Mem,Imm8	1100000woo000mmm	80186	Rotate Left through Carry - Wrap bits around
ROR	Reg,1	1101000woo001mmm	8086	Rotate Right through Carry - Wrap bits around
	Mem,1	1101000woo001mmm	8086	Rotate Right through Carry - Wrap bits around
	Reg,CL	1101001woo001mmm	8086	Rotate Right through Carry - Wrap bits around
	Mem,CL	1101001woo001mmm	8086	Rotate Right through Carry - Wrap bits around
	Reg,Imm8	1100000woo001mmm	80186	Rotate Right through Carry - Wrap bits around
	Mem,Imm8	1100000woo001mmm	80186	Rotate Right through Carry - Wrap bits around
RSM		0000111110101010	Pentium	Return from System Management mode
SALC		11010110	Pentium Pro	Set AL on Carry
SAHF		10011110	8086	Load Flags into AH Register
SAL	Reg,1	1101000woo100mmm	8086	Shift Arithmetic Left
	Mem,1	1101000woo100mmm	8086	Shift Arithmetic Left
	Reg,CL	1101001woo100mmm	8086	Shift Arithmetic Left
	Mem,CL	1101001woo100mmm	8086	Shift Arithmetic Left
	Reg,Imm8	1100000woo100mmm	80186	Shift Arithmetic Left
	Mem,Imm8	1100000woo100mmm	80186	Shift Arithmetic Left
SAR	Reg,1	1101000woo111mmm	8086	Shift Arithmetic Right
	Mem,1	1101000woo111mmm	8086	Shift Arithmetic Right
	Reg,CL	1101001woo111mmm	8086	Shift Arithmetic Right
	Mem,CL	1101001woo111mmm	8086	Shift Arithmetic Right
	Reg,Imm8	1100000woo111mmm	80186	Shift Arithmetic Right
	Mem,Imm8	1100000woo111mmm	80186	Shift Arithmetic Right
SETcc	Reg8	000011111001ccccoo000mmm	80386	Set Byte on Condition Code
	Mem8	000011111001ccccoo000mmm	80386	Set Byte on Condition Code
SHL	Reg,1	1101000woo100mmm	8086