汇编语言-冒泡排序

  数组排序
1. 题目: 将一个数组的所有元素排序后输出
2.要求:给定一个数组,数组包含10个整型元素,将其按照从小到大的顺序排列后输出,要求排序的算法用子程序来实现。
例如,输入的数组元素为1,3,-9,5,12,0,-3,-12,24,34,那么输出是:-12,-9,-3,0,1,3,5,12,24,34
汇编语言-冒泡排序
  1 ; Example assembly language program -- 
  2 ; Author:  karllen
  3 ; Date:    revised 05/2014
  4 
  5 .386
  6 .MODEL FLAT
  7 
  8 ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD
  9 
 10 INCLUDE io.h            ; header file for input/output
 11 
 12 cr      EQU     0dh     ; carriage return character
 13 Lf      EQU     0ah     ; line feed
 14 
 15 .STACK  4096            ; reserve 4096-byte stack
 16 
 17 .DATA
 18      i       DWORD ?
 19      j       DWORD ?
 20      temp    DWORD ?
 21      promot1 BYTE "Please Enter ten numbers to sort from min to max",cr,Lf,0
 22      array   DWORD 10 DUP(?)
 23      promot2 BYTE "The numbers that are sorted is",cr,Lf,0
 24      value   BYTE  11 DUP(?)
 25              BYTE cr,Lf,0
 26 
 27 .CODE
 28 
 29 sortArray PROC NEAR32
 30           push ebp                 ;建立堆栈
 31           mov  ebp,esp
 32           
 33           mov  i,0
 34           mov edx,10
 35          ; mov  ebx,[ebp+8]         ;取得数组地址
 36           sortFirst:
 37                mov  ebx,[ebp+8] 
 38                inc i
 39                cmp i,9
 40                jg  endsortFirst    ;大于9则跳转,
 41                
 42                sub edx,i              ;求edx-i
 43                mov j,0
 44                sortSecond:
 45                     inc j
 46                     cmp j,edx
 47                     jg  endsortSecond  ;大于10-i则转移
 48                     mov eax,[ebx]
 49                     mov ecx,[ebx+4]
 50                   
 51                     cmp eax,ecx  ; cmp [ebx],[ebx+4]
 52                     jl  endCMP         ;[ebx]<[ebx+4]则转移
 53                     
 54                     mov edx,eax
 55                     mov [ebx],ecx
 56                     mov [ebx+4],edx
 57                  
 58                     
 59                     ;swap
 60                 endCMP:      
 61                     add ebx,4
 62                     mov edx,10
 63                     jmp sortSecond
 64             
 65             endSortSecond:
 66                     jmp sortFirst
 67             endsortFirst:
 68 
 69             pop ebp
 70             ret
 71             
 72 sortArray   ENDP
 73                    
 74 _start:
 75      
 76      output promot1
 77      mov    ecx,0
 78      lea    ebx,array
 79      
 80      doFirstWhile:
 81             inc ecx
 82             cmp ecx,10
 83             jg  endFirstWhile   ;大于10则结束
 84             
 85             input value,11
 86             atod  value
 87             mov   [ebx],eax
 88             add   ebx,4
 89             jmp   doFirstWhile
 90      endFirstWhile:
 91      
 92      lea  eax,array
 93      push eax
 94      call sortArray
 95      add  esp,4
 96      
 97      output promot2
 98      mov    ecx,0
 99      lea    ebx,array
100      
101      doSecondWhile:
102             inc  ecx
103             cmp  ecx,10
104             jg   endSecondWhile
105             dtoa value,[ebx]
106             output value
107             add  ebx,4
108             jmp  doSecondWhile
109      
110      endSecondWhile:
111 
112         INVOKE  ExitProcess, 0  ; exit with return code 0
113 
114 PUBLIC _start                   ; make entry point public
115 
116 END                             ; end of source code
汇编语言-冒泡排序

 


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