one byte opcodes
| xxh | x0h |
x1h | x2h | x3h | x4h | x5h | x6h | x7h |
| 0xh |
ADD Eb,Gb |
ADD Ev,Gv |
ADD Gb,Eb |
ADD Gv,Ev |
ADD AL,Ib |
ADD rAX,Iz |
PUSH ES |
POP ES |
| 1xh |
ADC Eb,Gb |
ADC Ev,Gv |
ADC Gb,Eb |
ADC Gv,Ev |
ADC AL,Ib |
ADC rAX,Iz |
PUSH SS |
POP SS |
| 2xh |
AND Eb,Gb |
AND Ev,Gv |
AND Gb,Eb |
AND Gv,Ev |
AND AL,Ib |
AND rAx,Iz |
ES: | DAA |
| 3xh |
XOR Eb,Gb |
XOR Ev,Gv |
XOR Gb,Eb |
XOR Gv,Ev |
XOR AL,Ib |
XOR rAX,Iz |
SS: | AAA |
| 4xh |
INC eAX |
INC eCX |
INC eDX |
INC eBX |
INC eSP |
INC eBP |
INC eSI |
INC eDI |
| 5xh |
PUSH rAX |
PUSH rCX |
PUSH rDX |
PUSH rBX |
PUSH rSP |
PUSH rBP |
PUSH rSI |
PUSH rDI |
| 6xh |
PUSHA PUSHAD (80186+) |
POPA POPAD (80186+) |
BOUND Gv,Ma (80186+) |
ARPL Ew,Gw (80286+) |
FS: (80386+) Hint Alt Taken for Jcc (P4) |
GS: (80386+) |
OPSIZE: (80386+) |
ADSIZE: (80386+) |
| 7xh |
JO Jb |
JNO Jb |
JB Jb |
JNB Jb |
JZ Jb |
JNZ Jb |
JBE Jb |
JNBE Jb |
| 8xh |
group #1 Eb,Ib |
group #1 Ev,Iz |
group #1* Eb,Ib |
group #1 Ev,Ib |
TEST Eb,Gb |
TEST Ev,Gv |
XCHG Eb,Gb |
XCHG Ev,Gv |
| 9xh |
NOP PAUSE (F3h) (see CPUID) |
XCHG rCX,rAX |
XCHG rDX,rAX |
XCHG rBX,rAX |
XCHG rSP,rAX |
XCHG rBP,rAX |
XCHG rSI,rAX |
XCHG rDI,rAX |
| Axh |
MOV AL,Ob |
MOV rAX,Ov |
MOV Ob,AL |
MOV Ov,rAX |
MOVS Yb,Xb |
MOVS Yv,Xv |
CMPS Yb,Xb |
CMPS Yv,Xv |
| Bxh |
MOV AL,Ib |
MOV CL,Ib |
MOV DL,Ib |
MOV BL,Ib |
MOV AH,Ib |
MOV CH,Ib |
MOV DH,Ib |
MOV BH,Ib |
| Cxh |
group #2 Eb,Ib (80186+) |
group #2 Ev,Ib (80186+) |
RET near Iw |
RET near | LES Gz,Mp |
LDS Gz,Mp |
group #12 Eb,Ib |
group #12 Ev,Iz |
| Dxh |
group #2 Eb,1 |
group #2 Ev,1 |
group #2 Eb,CL |
group #2 Ev,CL |
AAM Ib |
AAD Ib |
SALC SETALC |
XLAT |
| Exh |
LOOPNE LOOPNZ Jb |
LOOPE LOOPZ Jb |
LOOP Jb |
JCXZ JECX Jb |
IN AL,Ib |
IN eAX,Ib |
OUT Ib,AL |
OUT Ib,eAX |
| Fxh |
LOCK: | INT1 (ICEBP) (80386+) |
REPNE: | REP: REPE: |
HLT | CMC | group #3 Eb |
group #3 Ev |
| xxh | x8h |
x9h | xAh | xBh | xCh | xDh | xEh | xFh |
| 0xh |
OR Eb,Gb |
OR Ev,Gv |
OR Gb,Eb |
OR Gv,Ev |
OR AL,Ib |
OR rAX,Iz |
PUSH CS |
two byte opcodes (80286+) |
| 1xh |
SBB Eb,Gb |
SBB Ev,Gv |
SBB Gb,Eb |
SBB Gv,Ev |
SBB AL,Ib |
SBB rAX,Iz |
PUSH DS |
POP DS |
| 2xh |
SUB Eb,Gb |
SUB Ev,Gv |
SUB Gb,Eb |
SUB Gv,Ev |
SUB AL,Ib |
SUB rAX,Iz |
CS: Hint Not Taken for Jcc (P4) |
DAS |
| 3xh |
CMP Eb,Gb |
CMP Ev,Gv |
CMP Gb,Eb |
CMP Gv,Ev |
CMP AL,Ib |
CMP rAX,Iz |
DS: Hint Taken for Jcc (P4) |
AAS |
| 4xh |
DEC eAX |
DEC eCX |
DEC eDX |
DEC eBX |
DEC eSP |
DEC eBP |
DEC eSI |
DEC eDI |
| 5xh |
POP rAX |
POP rCX |
POP rDX |
POP rBX |
POP rSP |
POP rBP |
POP rSI |
POP rDI |
| 6xh |
PUSH Iz (80186+) |
IMUL Gv,Ev,Iz (80186+) |
PUSH Ib (80186+) |
IMUL Gv,Ev,Ib (80186+) |
INS Yb,DX (80186+) |
INS Yz,DX (80186+) |
OUTS DX,Xb (80186+) |
OUTS DX,Xz (80186+) |
| 7xh |
JS Jb |
JNS Jb |
JP Jb |
JNP Jb |
JL Jb |
JNL Jb |
JLE Jb |
JNLE Jb |
| 8xh |
MOV Eb,Gb |
MOV Ev,Gv |
MOV Gb,Eb |
MOV Gv,Ev |
MOV Mw,Sw MOV Rv,Sw |
LEA Gv,M |
MOV Sw,Mw MOV Sw,Rv |
group #10 |
| 9xh |
CBW (8088) CBW/CWDE (80386+) |
CWD (8088) CWD/CDQ (80386+) |
CALL Ap |
WAIT FWAIT |
PUSHF Fv |
POPF Fv |
SAHF | LAHF |
| Axh |
TEST AL,Ib |
TEST rAX,Iz |
STOS Yb,AL |
STOS Yv,rAX |
LODS AL,Xb |
LODS rAX,Xv |
SCAS Yb,AL |
SCAS Yv,rAX |
| Bxh |
MOV rAX,Iv |
MOV rCX,Iv |
MOV rDX,Iv |
MOV rBX,Iv |
MOV rSP,Iv |
MOV rBP,Iv |
MOV rSI,Iv |
MOV rDI,Iv |
| Cxh |
ENTER Iw,Ib (80186+) |
LEAVE (80186+) |
RET far Iw |
RET far | INT3 | INT Ib |
INTO | IRET |
| Dxh |
ESC 0 |
ESC 1 |
ESC 2 |
ESC 3 |
ESC 4 |
ESC 5 |
ESC 6 |
ESC 7 |
| Exh |
CALL Jz |
JMP Jz |
JMP Ap |
JMP Jb |
IN AL,DX |
IN eAX,DX |
OUT DX,AL |
OUT DX,eAX |
| Fxh |
CLC | STC | CLI | STI | CLD | STD | group #4 INC/DEC |
group #5 INC/DEC etc. |
note: The opcodes marked with * are aliases to other opcodes.
