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  • [汇编] 将字符串里的一个'&'字符换成空格

     1 ; multi-segment executable file template.
     2 
     3 data segment
     4     ; add your data here!
     5     pkey db "press any key...$"  
     6     STRING  DB  'The date is FEB&03$'
     7 ends
     8 
     9 stack segment
    10     dw   128  dup(0)
    11 ends
    12 
    13 code segment
    14 start:
    15 ; set segment registers:
    16     mov ax, data
    17     mov ds, ax
    18     mov es, ax
    19 
    20     ; add your code here
    21     mov cx,19
    22     mov si,-1
    23     mov al,'&'
    24     
    25     NEXT:
    26         inc si
    27         cmp al,STRING[si]
    28         loopne NEXT
    29         je  FOUND
    30     FOUND:
    31         mov STRING[si],20H
    32                 
    33     lea dx, STRING
    34     mov ah, 9
    35     int 21h        ; output string at ds:dx
    36     
    37     ; wait for any key....    
    38     mov ah, 1
    39     int 21h
    40     
    41     mov ax, 4c00h ; exit to operating system.
    42     int 21h    
    43 ends
    44 
    45 end start ; set entry point and stop the assembler.
    46   
    47   
    48   
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  • 原文地址:https://www.cnblogs.com/zjutlitao/p/3643015.html
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