经典定长指令

PUSH/POP

0x50 push eax
0x51 push ecx
0x52 push edx
0x53 push ebx
0x54 push esp
0x55 push ebp
0x56 push esi
0x57 push edi

0x58 pop eax
0x59 pop ecx
0x5a pop edx
0x5b pop ebx
0x5c pop esp
0x5d pop ebp
0x5e pop esi
ox5f pop edi

INC/DEC

0x40 - 0x47 inc erx(通用寄存器)
0x48 - 0x4f dec erx(通用寄存器)

MOV Rb,Ib

0xb0 - oxb7 MOV Rb,Ib
oxb0 - 0xb7 (eax, ecx, edx, ebx, esp, ebp, esi, edi)
I是指Immediate data
v是指根据系统位数决定立即数是多少位,16 32 64

MOV ERX,Id

0xb8 - 0xbF MOV ERX,Iv
0xb8 - 0xbF (eax, ecx, edx, ebx, esp, ebp, esi, edi)
Iv同上

XCHG EAX,ERX

0x90 - 0x97 XCHG EAX,ERX