串传送指令 MOVS
串比较指令 CMPS
串扫描指令 SCANS
串加载指令 LODS
串保存指令 STOS
这些指令可以有选择地使用REP/REPE/REPZ/REPNE和REPNZ的前缀以连续操作。
3.9 其它指令
如处理机控制类指令、数据转换类指令。
4 C代码与汇编指令可以在代码中设置断点进行调试然后查看调试窗口（Alt 8），即可看到C语言与汇编代码的对照。
1: #include <iostream>
2: using namespace std;
3: int max(int a,int b)
4: {
00401550 push ebp
00401551 mov ebp,esp
00401553 sub esp,40h
00401556 push ebx
00401557 push esi
00401558 push edi
00401559 lea edi,[ebp-40h]
0040155C mov ecx,10h
00401561 mov eax,0CCCCCCCCh
00401566 rep stos dword ptr [edi]
5: if(a>=b)
00401568 mov eax,dword ptr [ebp 8]
0040156B cmp eax,dword ptr [ebp 0Ch]
0040156E jl max 25h (00401575)
6: return a;
00401570 mov eax,dword ptr [ebp 8]
00401573 jmp max 28h (00401578)
7: else
8: return b;
00401575 mov eax,dword ptr [ebp 0Ch]
9: }
00401578 pop edi
00401579 pop esi
0040157A pop ebx
0040157B mov esp,ebp
0040157D pop ebp
0040157E ret
10: void main()
11: {
00401590 push ebp
00401591 mov ebp,esp
00401593 sub esp,44h
00401596 push ebx
00401597 push esi
00401598 push edi
00401599 lea edi,[ebp-44h]
0040159C mov ecx,11h
004015A1 mov eax,0CCCCCCCCh
004015A6 rep stos dword ptr [edi]
12: int i = 0;
004015A8 mov dword ptr [ebp-4],0
13: i=max(3,4);
004015AF push 4
004015B1 push 3
004015B3 call @ILT 500(max) (004011f9)
004015B8 add esp,8
004015BB mov dword ptr [ebp-4],eax
14: cout<<i;
004015BE mov eax,dword ptr [ebp-4]
004015C1 push eax
004015C2 mov ecx,offset std::cout (0047be90)
004015C7 call @ILT 245(std::basic_ostream<char,std::char_traits<char> >::operator<<) (004010fa)
15:
16: }
004015CC pop edi
004015CD pop esi
004015CE pop ebx
004015CF add esp,44h
004015D2 cmp ebp,esp
004015D4 call __chkesp (00420310)
004015D9 mov esp,ebp
004015DB pop ebp
004015DC ret
－End－
