Коды операций
| Код команды | Команда | ||||||||
| 1-й байт | 2-й байт | 3–6-й байты | |||||||
| Шестн. | Двоичный | ||||||||
| 00 | 00000000 | ModRegR/M | [disp8/16] | ADD r/m8, r8 | |||||
| 01 | 00000001 | ModRegR/M | [disp8/16] | ADD r/m16, r16 | |||||
| 02 | 00000010 | ModRegR/M | [disp8/16] | ADD r8, r/m8 | |||||
| 03 | 00000011 | ModRegR/M | [disp8/16] | ADD r16, r/m16 | |||||
| 04 | 00000100 | imm8 | ADD AL, imm8 | ||||||
| 05 | 00000101 | imm16 | ADD AX, imm16 | ||||||
| 06 | 00000110 | PUSH ES | |||||||
| 07 | 00000111 | POP ES | |||||||
| 08 | 00001000 | ModRegR/M | [disp8/16] | OR r/m8, r8 | |||||
| 09 | 00001001 | ModRegR/M | [disp8/16] | OR r/m16, r16 | |||||
| 0A | 00001010 | ModRegR/M | [disp8/16] | OR r8, r/m8 | |||||
| 0B | 00001011 | ModRegR/M | [disp8/16] | OR r16, r/m16 | |||||
| 0C | 00001100 | imm8 | OR AL, imm8 | ||||||
| 0D | 00001101 | imm16 | OR AX, imm16 | ||||||
| 0E | 00001110 | PUSH CS | |||||||
| 0F | 00001111 | не используется | |||||||
| 10 | 00010000 | ModRegR/M | [disp8/16] | ADC r/m8, r8 | |||||
| 11 | 00010001 | ModRegR/M | [disp8/16] | ADC r/m16, r16 | |||||
| 12 | 00010010 | ModRegR/M | [disp8/16] | ADC r8, r/m8 | |||||
| 13 | 00010011 | ModRegR/M | [disp8/16] | ADC r16, r/m16 | |||||
| 14 | 00010100 | imm8 | ADC AL, imm8 | ||||||
| 15 | 00010101 | imm16 | ADC AX, imm16 | ||||||
| 16 | 00010110 | PUSH SS | |||||||
| 17 | 00010111 | POP SS | |||||||
| 18 | 00011000 | ModRegR/M | [disp8/16] | SBB r/m8, r8 | |||||
| 19 | 00011001 | ModRegR/M | [disp8/16] | SBB r/m16, r16 | |||||
| 1A | 00011010 | ModRegR/M | [disp8/16] | SBB r8, r/m8 | |||||
| 1B | 00011011 | ModRegR/M | [disp8/16] | SBB r16, r/m16 | |||||
| 1C | 00011100 | imm8 | SBB AL, imm8 | ||||||
| 1D | 00011101 | imm16 | SBB AX, imm16 | ||||||
| 1E | 00011110 | PUSH DS | |||||||
| 1F | 00011111 | POP DS | |||||||
| 20 | 00100000 | ModRegR/M | [disp8/16] | AND r/m8, r8 | |||||
| 21 | 00100001 | ModRegR/M | [disp8/16] | AND r/m16, r16 | |||||
| 22 | 00100010 | ModRegR/M | [disp8/16] | AND r8, r/m8 | |||||
| 23 | 00100011 | ModRegR/M | [disp8/16] | AND r16, r/m16 | |||||
| 24 | 00100100 | imm8 | AND AL, imm8 | ||||||
| 25 | 00100101 | imm16 | AND AX, imm16 | ||||||
| 26 | 00100110 | ES: | |||||||
| 27 | 00100111 | DAA | |||||||
| 28 | 00101000 | ModRegR/M | [disp8/16] | SUB r/m8, r8 | |||||
| 29 | 00101001 | ModRegR/M | [disp8/16] | SUB r/m16, r16 | |||||
| 2A | 00101010 | ModRegR/M | [disp8/16] | SUB r8, r/m8 | |||||
| 2B | 00101011 | ModRegR/M | [disp8/16] | SUB r16, r/m16 | |||||
| 2C | 00101100 | imm8 | SUB AL, imm8 | ||||||
| 2D | 00101101 | imm16 | SUB AX, imm16 | ||||||
| 2E | 00101110 | CS: | |||||||
| 2F | 00101111 | DAS | |||||||
| 30 | 00110000 | ModRegR/M | [disp8/16] | XOR r/m8, r8 | |||||
| 31 | 00110001 | ModRegR/M | [disp8/16] | XOR r/m16, r16 | |||||
| 32 | 00110010 | ModRegR/M | [disp8/16] | XOR r8, r/m8 | |||||
| 33 | 00110011 | ModRegR/M | [disp8/16] | XOR r16, r/m16 | |||||
| 34 | 00110100 | imm8 | XOR AL, imm8 | ||||||
| 35 | 00110101 | imm16 | XOR AX, imm16 | ||||||
| 36 | 00110110 | SS: | |||||||
| 37 | 00110111 | AAA | |||||||
| 38 | 00111000 | ModRegR/M | [disp8/16] | CMP r/m8, r8 | |||||
| 39 | 00111001 | ModRegR/M | [disp8/16] | CMP r/m16, r16 | |||||
| 3A | 00111010 | ModRegR/M | [disp8/16] | CMP r8, r/m8 | |||||
| 3B | 00111011 | ModRegR/M | [disp8/16] | CMP r16, r/m16 | |||||
| 3C | 00111100 | imm8 | CMP AL, imm8 | ||||||
| 3D | 00111101 | imm16 | CMP AX, imm16 | ||||||
| 3E | 00111110 | SS: | |||||||
| 3F | 00111111 | AAS | |||||||
| 40 | 01000000 | INC AX | |||||||
| 41 | 01000001 | INC CX | |||||||
| 42 | 01000010 | INC DX | |||||||
| 43 | 01000011 | INC BX | |||||||
| 44 | 01000100 | INC SP | |||||||
| 45 | 01000101 | INC BP | |||||||
| 46 | 01000110 | INC SI | |||||||
| 47 | 01000111 | INC DI | |||||||
| 48 | 01001000 | DEC AX | |||||||
| 49 | 01001001 | DEC CX | |||||||
| 4A | 01001010 | DEC DX | |||||||
| 4B | 01001011 | DEC BX | |||||||
| 4C | 01001100 | DEC SP | |||||||
| 4D | 01001101 | DEC BP | |||||||
| 4E | 01001110 | DEC SI | |||||||
| 4F | 01001111 | DEC DI | |||||||
| 50 | 01010000 | PUSH AX | |||||||
| 51 | 01010001 | PUSH CX | |||||||
| 52 | 01010010 | PUSH DX | |||||||
| 53 | 01010011 | PUSH BX | |||||||
| 54 | 01010100 | PUSH SP | |||||||
| 55 | 01010101 | PUSH BP | |||||||
| 56 | 01010110 | PUSH SI | |||||||
| 57 | 01010111 | PUSH DI | |||||||
| 58 | 01011000 | POP AX | |||||||
| 59 | 01011001 | POP CX | |||||||
| 5A | 01011010 | POP DX | |||||||
| 5B | 01011011 | POP BX | |||||||
| 5C | 01011100 | POP SP | |||||||
| 5D | 01011101 | POP BP | |||||||
| 5E | 01011110 | POP SI | |||||||
| 5F | 01011111 | POP DI | |||||||
| 60
/ 6F | 01100000
/ 01101111 | не используются | |||||||
| 70 | 01110000 | rel8 | JO rel8 | ||||||
| 71 | 01110001 | rel8 | JNO rel8 | ||||||
| 72 | 01110010 | rel8 | JB rel8
JNAE rel8 JC rel8 | ||||||
| 73 | 01110011 | rel8 | JNB rel8
JAE rel8 JNC rel8 | ||||||
| 74 | 01110100 | rel8 | JE rel8
JZ rel8 | ||||||
| 75 | 01110101 | rel8 | JNE rel8
JNZ rel8 | ||||||
| 76 | 01110110 | rel8 | JBE rel8
JNA rel8 | ||||||
| 77 | 01110111 | rel8 | JNBE rel8
JA rel8 | ||||||
| 78 | 01111000 | rel8 | JS rel8 | ||||||
| 79 | 01111001 | rel8 | JNS rel8 | ||||||
| 7A | 01111010 | rel8 | JP rel8
JPE rel8 | ||||||
| 7B | 01111011 | rel8 | JNP rel8
JPO rel8 | ||||||
| 7C | 01111100 | rel8 | JL rel8
JNGE rel8 | ||||||
| 7D | 01111101 | rel8 | JNL rel8
JGE rel8 | ||||||
| 7E | 01111110 | rel8 | JLE rel8
JNG rel8 | ||||||
| 7F | 01111111 | rel8 | JNLE rel8
JG rel8 | ||||||
| 80 | 10000000 | Mod000R/M | [disp8/16] imm8 | ADD r/m8, imm8 | |||||
| Mod001R/M | [disp8/16] imm8 | OR r/m8, imm8 | |||||||
| Mod010R/M | [disp8/16] imm8 | ADC r/m8, imm8 | |||||||
| Mod011R/M | [disp8/16] imm8 | SBB r/m8, imm8 | |||||||
| Mod100R/M | [disp8/16] imm8 | AND r/m8, imm8 | |||||||
| Mod101R/M | [disp8/16] imm8 | SUB r/m8, imm8 | |||||||
| Mod110R/M | [disp8/16] imm8 | XOR r/m8, imm8 | |||||||
| Mod111R/M | [disp8/16] imm8 | CMP r/m8, imm8 | |||||||
| 81 | 10000001 | Mod000R/M | [disp8/16] imm8 | ADD r/m16, imm16 | |||||
| Mod001R/M | [disp8/16] imm8 | OR r/m16, imm16 | |||||||
| Mod010R/M | [disp8/16] imm8 | ADC r/m16, imm16 | |||||||
| Mod011R/M | [disp8/16] imm8 | SBB r/m16, imm16 | |||||||
| Mod100R/M | [disp8/16] imm8 | AND r/m16, imm16 | |||||||
| Mod101R/M | [disp8/16] imm8 | SUB r/m16, imm16 | |||||||
| Mod110R/M | [disp8/16] imm8 | XOR r/m16, imm16 | |||||||
| Mod111R/M | [disp8/16] imm8 | CMP r/m16, imm16 | |||||||
| 82 | 10000010 | не используется | |||||||
| 83 | 10000011 | Mod000R/M | [disp8/16] imm8 | ADD r/m16, imm8 | |||||
| xx001xxx | не используется | ||||||||
| Mod010R/M | [disp8/16] imm8 | ADC r/m16, imm8 | |||||||
| Mod011R/M | [disp8/16] imm8 | SBB r/m16, imm8 | |||||||
| xx100xxx | не используется | ||||||||
| Mod101R/M | [disp8/16] imm8 | SUB r/m16, imm8 | |||||||
| xx110xxx | не используется | ||||||||
| xx111xxx | не используется | ||||||||
| 84 | 10000100 | ModRegR/M | [disp8/16] | TEST r/m8, r8 | |||||
| 85 | 10000101 | ModRegR/M | [disp8/16] | TEST r/m16, r16 | |||||
| 86 | 10000110 | ModRegR/M | [disp8/16] | XCHG r/m8, r8 | |||||
| 87 | 10000111 | ModRegR/M | [disp8/16] | XCHG r/m16, r16 | |||||
| 88 | 10001000 | ModRegR/M | [disp8/16] | MOV r/m8, r8 | |||||
| 89 | 10001001 | ModRegR/M | [disp8/16] | MOV r/m16, r16 | |||||
| 8A | 10001010 | ModRegR/M | [disp8/16] | MOV r8, r/m8 | |||||
| 8B | 10001011 | ModRegR/M | [disp8/16] | MOV r16, r/m16 | |||||
| 8C | 10001100 | Mod0SRR/M | [disp8/16] | MOV r/m16, Sreg | |||||
| xx1xxxxx | не используется | ||||||||
| 8D | 10001101 | ModRegR/M | [disp8/16] | LEA r16, m | |||||
| 8E | 10001110 | Mod0SRR/M | [disp8/16] | MOV r/m16, Sreg | |||||
| xx1xxxxx | не используется | ||||||||
| 8F | 10001111 | Mod000R/M | [disp8/16] | POP r/m16 | |||||
| xx001xxx
/ xx111xxx | не используется | ||||||||
| 90 | 10010000 | NOP (XCHG AX, AX) | |||||||
| 91 | 10010001 | XCHG AX, CX | |||||||
| 92 | 10010010 | XCHG AX, DX | |||||||
| 93 | 10010011 | XCHG AX, BX | |||||||
| 94 | 10010100 | XCHG AX, SP | |||||||
| 95 | 10010101 | XCHG AX, BP | |||||||
| 96 | 10010110 | XCHG AX, SI | |||||||
| 97 | 10010111 | XCHG AX, DI | |||||||
| 98 | 10011000 | CBW | |||||||
| 99 | 10011001 | CWD | |||||||
| 9A | 10011010 | ptr16:16 | CALL ptr16:16 | ||||||
| 9B | 10011011 | WAIT | |||||||
| 9C | 10011100 | PUSHF | |||||||
| 9D | 10011101 | POPF | |||||||
| 9E | 10011110 | SAHF | |||||||
| 9F | 10011111 | LAHF | |||||||
| A0 | 10100000 | m8 | MOV AL, m8 | ||||||
| A1 | 10100001 | m16 | MOV AX, m16 | ||||||
| A2 | 10100010 | m8 | MOV m8, AL | ||||||
| A3 | 10100011 | m16 | MOV m16, AX | ||||||
| A4 | 10100100 | MOVSB | |||||||
| A5 | 10100101 | MOVSW | |||||||
| A6 | 10100110 | CMPSB | |||||||
| A7 | 10100111 | CMPSW | |||||||
| A8 | 10101000 | imm8 | TEST AL, imm8 | ||||||
| A9 | 10101001 | imm16 | TEST AX, imm16 | ||||||
| AA | 10101010 | STOSB | |||||||
| AB | 10101011 | STOSW | |||||||
| AC | 10101100 | LODSB | |||||||
| AD | 10101101 | LODSW | |||||||
| AE | 10101110 | SCASB | |||||||
| AF | 10101111 | SCASW | |||||||
| B0 | 10110000 | imm8 | MOV AL, imm8 | ||||||
| B1 | 10110001 | imm8 | MOV CL, imm8 | ||||||
| B2 | 10110010 | imm8 | MOV DL, imm8 | ||||||
| B3 | 10110011 | imm8 | MOV BL, imm8 | ||||||
| B4 | 10110100 | imm8 | MOV AH, imm8 | ||||||
| B5 | 10110101 | imm8 | MOV CH, imm8 | ||||||
| B6 | 10110110 | imm8 | MOV DH, imm8 | ||||||
| B7 | 10110111 | imm8 | MOV BH, imm8 | ||||||
| B8 | 10111000 | imm16 | MOV AX, imm16 | ||||||
| B9 | 10111001 | imm16 | MOV CX, imm16 | ||||||
| BA | 10111010 | imm16 | MOV DX, imm16 | ||||||
| BB | 10111011 | imm16 | MOV BX, imm16 | ||||||
| BC | 10111100 | imm16 | MOV SP, imm16 | ||||||
| BD | 10111101 | imm16 | MOV BP, imm16 | ||||||
| BE | 10111110 | imm16 | MOV SI, imm16 | ||||||
| BF | 10111111 | imm16 | MOV DI, imm16 | ||||||
| C0 | 11000000 | не используется | |||||||
| C1 | 11000001 | не используется | |||||||
| C2 | 11000010 | imm16 | RET imm16 (ближний) | ||||||
| C3 | 11000011 | RET
(ближний) | |||||||
| C4 | 11000100 | ModRegR/M | [disp8/16] | LES r16, m16:16 | |||||
| C5 | 11000101 | ModRegR/M | [disp8/16] | LDS r16, m16:16 | |||||
| C6 | 11000110 | Mod000R/M | [disp8/16] imm8 | MOV m8, imm8 | |||||
| xx001xxx
/ xx111xxx | не используется | ||||||||
| C7 | 11000111 | Mod000R/M | [disp8/16] imm16 | MOV m16, imm16 | |||||
| xx001xxx
/ xx111xxx | не используется | ||||||||
| C8 | 11001000 | не используется | |||||||
| C9 | 11001001 | не используется | |||||||
| CA | 11001010 | imm16 | RET imm16 (дальний) | ||||||
| CB | 11001011 | RET (дальний) | |||||||
| CC | 11001100 | INT 3 | |||||||
| CD | 11001101 | imm8 | INT imm8 | ||||||
| CE | 11001110 | INTO | |||||||
| CF | 11001111 | IRET | |||||||
| D0 | 11010000 | Mod000R/M | [disp8/16] | ROL r/m8, 1 | |||||
| Mod001R/M | [disp8/16] | ROR r/m8, 1 | |||||||
| Mod010R/M | [disp8/16] | RCL r/m8, 1 | |||||||
| Mod011R/M | [disp8/16] | RCR r/m8, 1 | |||||||
| Mod100R/M | [disp8/16] | SAL r/m8, 1
SHL r/m8, 1 | |||||||
| Mod101R/M | [disp8/16] | SHR r/m8, 1 | |||||||
| xx110xxx | не используется | ||||||||
| Mod111R/M | [disp8/16] | SAR r/m8, 1 | |||||||
| D1 | 11010001 | Mod000R/M | [disp8/16] | ROL r/m16, 1 | |||||
| Mod001R/M | [disp8/16] | ROR r/m16, 1 | |||||||
| Mod010R/M | [disp8/16] | RCL r/m16, 1 | |||||||
| Mod011R/M | [disp8/16] | RCR r/m16, 1 | |||||||
| Mod100R/M | [disp8/16] | SAL r/m16, 1
SHL r/m16, 1 | |||||||
| Mod101R/M | [disp8/16] | SHR r/m16, 1 | |||||||
| xx110xxx | не используется | ||||||||
| Mod111R/M | [disp8/16] | SAR r/m16, 1 | |||||||
| D2 | 11010010 | Mod000R/M | [disp8/16] | ROL r/m8, CL | |||||
| Mod001R/M | [disp8/16] | ROR r/m8, CL | |||||||
| Mod010R/M | [disp8/16] | RCL r/m8, CL | |||||||
| Mod011R/M | [disp8/16] | RCR r/m8, CL | |||||||
| Mod100R/M | [disp8/16] | SAL r/m8, CL
SHL r/m8, CL | |||||||
| Mod101R/M | [disp8/16] | SHR r/m8, CL | |||||||
| xx110xxx | не используется | ||||||||
| Mod111R/M | [disp8/16] | SAR r/m8, CL | |||||||
| D3 | 11010011 | Mod000R/M | [disp8/16] | ROL r/m16, CL | |||||
| Mod001R/M | [disp8/16] | ROR r/m16, CL | |||||||
| Mod010R/M | [disp8/16] | RCL r/m16, CL | |||||||
| Mod011R/M | [disp8/16] | RCR r/m16, CL | |||||||
| Mod100R/M | [disp8/16] | SAL r/m16, CL
SHL r/m16, CL | |||||||
| Mod101R/M | [disp8/16] | SHR r/m16, CL | |||||||
| xx110xxx | не используется | ||||||||
| Mod111R/M | [disp8/16] | SAR r/m16, CL | |||||||
| D4 | 11010100 | AAM | |||||||
| D5 | 11010101 | AAD | |||||||
| D6 | 11010110 | не используется | |||||||
| D7 | 11010111 | XLATB | |||||||
| D8
/ DF | 11011xxx | ModRegR/M | [disp8/16] | ESC | |||||
| E0 | 11100000 | rel8 | LOOPNE rel8
LOOPNZ rel8 | ||||||
| E1 | 11100001 | rel8 | LOOPE rel8
LOOPZ rel8 | ||||||
| E2 | 11100010 | rel8 | LOOP rel8 | ||||||
| E3 | 11100011 | rel8 | JCXZ rel8 | ||||||
| E4 | 11100100 | imm8 | IN AL, imm8 | ||||||
| E5 | 11100101 | imm8 | IN AX, imm8 | ||||||
| E6 | 11100110 | imm8 | OUT AL, imm8 | ||||||
| E7 | 11100111 | imm8 | OUT AX, imm8 | ||||||
| E8 | 11101000 | rel16 | CALL rel16 | ||||||
| E9 | 11101001 | rel16 | JMP rel16 | ||||||
| EA | 11101010 | ptr16:16 | JMP ptr16:16 | ||||||
| EB | 11101011 | rel8 | JMP rel8 | ||||||
| EC | 11101100 | IN AL, DX | |||||||
| ED | 11101101 | IN AX, DX | |||||||
| EE | 11101110 | OUT AL, DX | |||||||
| EF | 11101111 | OUT AX, DX | |||||||
| F0 | 11110000 | LOCK | |||||||
| F1 | 11110001 | не используется | |||||||
| F2 | 11110010 | REPNE
REPNZ | |||||||
| F3 | 11110011 | REP
REPE REPZ | |||||||
| F4 | 11110100 | HLT | |||||||
| F5 | 11110101 | CMC | |||||||
| F6 | 11110110 | Mod000R/M | [disp8/16] imm8 | TEST r/m8, imm8 | |||||
| xx001xxx | не используется | ||||||||
| Mod010R/M | [disp8/16] | NOT r/m8 | |||||||
| Mod011R/M | [disp8/16] | NEG r/m8 | |||||||
| Mod100R/M | [disp8/16] | MUL r/m8 | |||||||
| Mod101R/M | [disp8/16] | IMUL r/m8 | |||||||
| Mod110R/M | [disp8/16] | DIV r/m8 | |||||||
| Mod111R/M | [disp8/16] | IDIV r/m8 | |||||||
| F7 | 11110111 | Mod000R/M | [disp8/16] imm8 | TEST r/m16, imm16 | |||||
| xx001xxx | не используется | ||||||||
| Mod010R/M | [disp8/16] | NOT r/m16 | |||||||
| Mod011R/M | [disp8/16] | NEG r/m16 | |||||||
| Mod100R/M | [disp8/16] | MUL r/m16 | |||||||
| Mod101R/M | [disp8/16] | IMUL r/m16 | |||||||
| Mod110R/M | [disp8/16] | DIV r/m16 | |||||||
| Mod111R/M | [disp8/16] | IDIV r/m16 | |||||||
| F8 | 11111000 | CLC | |||||||
| F9 | 11111001 | STC | |||||||
| FA | 11111010 | CLI | |||||||
| FB | 11111011 | STI | |||||||
| FC | 11111100 | CLD | |||||||
| FD | 11111101 | STD | |||||||
| FE | 11111110 | Mod000R/M | [disp8/16] | INC r/m8 | |||||
| Mod001R/M | [disp8/16] | DEC r/m8 | |||||||
| xx010xxx
/ xx111xxx | не используется | ||||||||
| FF | 11111111 | Mod000R/M | [disp8/16] | INC r/m16 | |||||
| Mod001R/M | [disp8/16] | DEC r/m16 | |||||||
| Mod010R/M | [disp8/16] | CALL r/m16 | |||||||
| Mod011R/M | [disp8/16] | CALL m16:16 | |||||||
| Mod100R/M | [disp8/16] | JMP r/m16 | |||||||
| Mod101R/M | [disp8/16] | JMP m16:16 | |||||||
| Mod110R/M | [disp8/16] | PUSH r/m16 | |||||||
| xx111xxx | не используется |