汇编语言编写一个拆字程序
时间: 2023-05-23 20:06:12 浏览: 160
汇编语言拆字程序
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A:好的,以下是一个汇编语言编写的拆字程序示例:
```
section .data
msg db 'Enter a word: ', 0
output db 'Output: ', 0
vowels db 'AEIOUaeiou', 0
consonants db 'BCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz', 0
section .bss
input resb 20
result resb 40
section .text
global _start
_start:
; Display message for user input
mov eax, 4
mov ebx, 1
mov ecx, msg
mov edx, 15
int 80h
; Read input from user
mov eax, 3
mov ebx, 0
mov ecx, input
mov edx, 20
int 80h
; Loop through each character in input string
xor esi, esi ; esi = index
mov edi, result ; edi = result pointer
loop1:
mov al, [input+esi]
cmp al, 0
je end_loop1
; Check if character is a vowel
mov esi, 0
mov ebx, vowels
vowel_loop:
cmp byte [ebx+esi], 0
je consonant_check
cmp al, [ebx+esi]
je is_vowel
inc esi
jmp vowel_loop
consonant_check:
; Check if character is a consonant
mov esi, 0
mov ebx, consonants
consonant_loop:
cmp byte [ebx+esi], 0
je end_loop1
cmp al, [ebx+esi]
je is_consonant
inc esi
jmp consonant_loop
is_vowel:
; Output vowel character
mov byte [edi], al
inc edi
jmp end_loop2
is_consonant:
; Output consonant character
mov byte [edi], al
inc edi
end_loop2:
inc esi
jmp loop1
end_loop1:
; Display output to user
mov eax, 4
mov ebx, 1
mov ecx, output
mov edx, 9
int 80h
mov eax, 4
mov ebx, 1
mov ecx, result
mov edx, edi ; edx = result length
int 80h
; Exit program
mov eax, 1
xor ebx, ebx
int 80h
```
这段程序提示用户输入一个单词,然后将单词拆分为元音和辅音,并输出结果。程序使用两个字符串变量 `vowels` 和 `consonants` 存储元音和辅音列表。程序还使用另外两个变量 `input` 和 `result`,分别存储用户输入的单词和程序的结果。输入和输出都使用 Linux 系统调用来执行。
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