全局变量

全局变量

;代码转换
include irvine32.inc
.data	
tab	dword 10 dup(?)
x	dword 5
min	dword ?
.code	
main	procmov min,0call inputcall findxor eax,eaxneg minmov eax,mincall writeintexit
main	endpinput	proc		;子程序：输入到对应数组push esipush eaxxor esi,esiha1:	cmp esi,10jz haxor eax,eaxcall readintmov tab[esi*4],eaxinc esijmp ha1ha:	pop eaxpop esiret
input	endpfind	proc		;子程序：查找大写字母并修改成小写的;通过全局变量传递参数push esipush ebxpush edxpush eaxxor esi,esistart1:	cmp esi,10jz donexor ebx,ebxxor edx,edxxor eax,eaxmov ebx,tab[esi*4];获取待考察数据;同时存放于ebx eax edx中mov edx,ebxmov eax,ebxand ebx,8000h	;因为ebx以补码形式存放，所以考察其正负只需要考察符号位jz done1	;为正数，跳转and edx,0001hjz done1	;为偶数，跳转neg eax		;现在只剩下负奇数了cmp eax,xjng done1	;不满足最低范围要求cmp min,0	;min没有值的情况jnz ha3mov min,eaxjmp done1
ha3:	cmp eax,minjl done1mov min,eaxdone1:	inc esijmp start1done:	pop eaxpop edxpop ebxpop esiret
find	endpend main	;汇编结束
;jl、jg用于有符号数
;ja/jb用于无符号数