汇编-遍历修改

Posted 2020-09-03 shuoed

 

2. 菜单首字母改为大写

 1 assume cs:codesg,ds:datasg
 2 
 3 datasg segment
 4         db \'1.file    \'
 5         db \'2.edit    \'
 6         db \'3.search  \'
 7         db \'4.view    \'
 8         db \'5.options \'
 9         db \'6.help    \'
10 datasg ends
11 
12 codesg segment
13   start:mov ax,datasg
14         mov ds,ax
15         mov bx,0
16         mov cx,6
17       s:mov al,[bx+2]
18         and al,11011111b
19         mov [bx+2],al
20         add bx,10
21         loop s
22         nop
23 codesg ends
24 
25 end start

View Code