phone.asm

在本次试验中需要注意基址寄存器BX的移动方法

DateArea    segment
     TemplateName        db 20,,20 dup()
     
     TemplateNumber      db 9,,9 dup()
    
     PhoneTable          db 50 dup ( 21 dup (), 8 dup () ,'$')

     AdTable             dw 50 dup ()   

     FindedAdress        dw 1 dup ()
    
     InputNamePrint      db 13,10,'Input name','$'
    
     InputNumPrint       db 13,10,'Input a telephone number','$'
    
     AskForNumPrint      db 13,10,'Do you want a telepment numbre(YN)','$'
   
     NamePrint           db 13,10,'name','$'
     
     AnswerFindedPrint   db  13,10,'name',16 dup (20h),'tel.',13,10,'$'    

     AnswerNoFindPrint   db  13,10,'NO SUCH NAME!','$'        
DateArea ends

CodeArea  segment
      assume csCodeArea ,dsDateArea ,esDateArea

main proc far


      push ds
      sub ax,ax
      push ax
      mov ax,DateArea
      mov ds,ax
      mov es,ax
      ;
      mov bx,0
      lea si,PhoneTable
      
Start
       
      lea dx , InputNamePrint
      mov ah,09h
      int 21h
      ;
       lea  di,AdTable
       mov  AdTable[bx],si
       call input_name;该函数还要返回输入字母为终止时候的提示,
      ;可以返回一个寄存器的状态来表示
       jz Search
       call stor_name
      ;
       lea dx, InputNumPrint
       mov ah ,09h
       int 21h
      ;
       call inphone
      ;
       add si,30
       add bx ,2
       jmp Start


Search
       ;lea dx, AskForNumPrint
       ;mov ah,09h
       ;int  21h
       call name_sort 
       lea dx, AskForNumPrint
       mov ah,09h
       int  21h
       ;
       mov ah,1
       int 21h
       sub al,4Eh
       ;
       jz  Exit
       ;
       lea  dx,NamePrint
       mov ah,09h
       int 21h
       ;
       call input_name
       ;
       call name_search
       ;
       call printline
       ;
       jmp Search
   
Exit  ret
main endp

input_name proc near 
   push ax 
   push bx
   push cx
   push dx
   push si
   push di
   ;
   lea  dx,TemplateName
   mov  ah,0ah
   int  21h
   lea  di ,TemplateName
   add  di,1
   mov al,[di]
   cmp al,0 
   ;
   pop di
   pop si
   pop dx
   pop cx
   pop bx
   pop ax
   
   ;     
   ret
input_name endp

stor_name  proc near
   push ax
   push bx
   push cx
   push dx
   push si
   push di
   ;
   mov  di,AdTable[bx]
   lea  si,TemplateName
   add  si,1
   mov  dx,21
   mov  cl,[si]
   mov  al,cl
   cbw
   mov  cx,ax
   inc  cx
   sub  dx,cx
   cld  
   repnz movsb
   mov  cx,dx
   cld
   mov al ,20h 
   repnz stosb
   ;
   pop di
   pop si
   pop dx
   pop cx
   pop bx
   pop ax
   ;
ret
;
stor_name  endp
 
inphone proc near
  push ax
  push bx
  push cx
  push dx
  push si
  push di
  ;
  lea dx,TemplateNumber
  mov  ah,0ah
  int  21h
  ;
  mov di,AdTable[bx]
  add di,21
  lea si,TemplateNumber
  add si,1
  mov cl,[si]
  mov al,cl
  cbw
  mov cx,ax
  add si,1
  cld
  repnz movsb
  ;
  pop di
  pop si
  pop dx
  pop cx
  pop bx
  pop ax
  ;
ret  
inphone endp

name_sort proc near
    push ax
    push bx 
    push cx
    push dx
    push si
    push di
    lea  dx, AskForNumPrint
    mov  ah,09h
    int  21h
    mov cx,bx
OuterSort
    mov bx,0
InnerSort
    mov si,AdTable[bx]
    add bx,2
    mov di ,AdTable[bx]
    mov al,[si]
    mov dl,[di]
    cmp al,dl
    push cx
    jg  AxGrBx
   
    mov al,dl
    cbw
    mov cx,ax
    jmp PassAGB
AxGrBx
    cbw
    mov cx,ax   
PassAGB
    add si ,1
    add di ,1
    cld 

    repz  cmpsb
    pop    cx
    jb     Belower
    mov    ax,AdTable[bx]
    sub    bx,2
    mov    dx,AdTable[bx]
    xchg   ax,dx
    mov  AdTable[bx],dx
    add    bx,2 
    mov  AdTable[bx],ax
 Belower
    mov   ax,bx
    add   ax,2
    cmp   ax,cx
    jnz  InnerSort
    sub cx,2
    cmp cx,2 
jnz OuterSort
    pop di
    pop si
    pop dx
    pop cx
    pop bx
    pop ax
 ret
name_sort endp

name_search proc near
    push ax
    push bx
    push cx
    push dx
    push si
    push di
    mov ax,bx    
    mov bx ,0
mLoop
    lea si,TemplateName+1
    mov cl,[si]
    push ax
    mov al,cl
    cbw
    mov cx,ax
    add cx,1
    pop ax
    mov di,AdTable[bx]
    cld 
    repz cmpsb
    jz  FindOutNum
    add bx, 2
    cmp bx ,ax
    jz  FindNoNum
    jmp mLoop
FindNoNum
    pop  di
    pop  si
    pop  dx
    pop  cx
    pop  bx
    pop  ax
    ret
FindOutNum
    mov dx,AdTable[bx]
    add dx,1
    mov FindedAdress,dx
    ;mov ah,09h
   ; int 21h
    pop di
    pop si
    pop dx
    pop cx
    pop bx
    pop ax
    ret              
name_search endp

printline  proc near
    push ax
    push bx
    push cx
    push dx
    push si
    push di
    jz NoFind
    lea dx,AnswerFindedPrint
    mov ah,09
    int 21h
    mov dx,[FindedAdress]
    mov ah,09h
    int 21h
    JMP RetPlace
NoFind
    lea dx,AnswerNoFindPrint
    mov ah,09h
    int 21h
RetPlace
    pop di
    pop si
    pop dx
    pop cx
    pop bx
    pop ax

    ret
printline endp

CodeArea ends         
end main