include irvine32.inc
chang proto ,v1:ptr dword,v2: ptr dword
.data
i dword ?
j dword ?
str1 byte "交换前的是:",0;
str2 byte "交换后的结果:",0;

.code
main proc

call readint
mov i,eax;
call readint
mov j,eax;
mov edx,offset str1
call writestring;

mov eax,i;
call writeint;
mov al,','
call writechar
mov eax,j
call  writeint;
call crlf;

invoke chang,offset i,offset j;

mov edx,offset str1
call writestring;
mov eax,i;
call writeint;
mov al,','
call writechar
mov eax,j
call  writeint;
call crlf;

exit
main endp

chang proc,
v1:ptr dword,
v2:ptr dword

 mov eax,v2;
 mov esi,v1;
 mov ebx,[eax];
 xchg ebx,[esi];
 mov [eax],ebx;


 ret;



chang endp

end main

posted on 2013-02-25 19:12  叶城宇  阅读(127)  评论(0编辑  收藏  举报