xiaostr.asm

汇编的

xianshu  macro  
         local chuli,chuli2,quit
         push dx
         mov ah,02
         cmp dl,0aH
         jnc chuli
         add dl,30H
         int 21H
         jmp quit
       
   chuli:cmp dl,0fh
         jnc chuli2
         sub dl,0aH
         mov cl,dl
         mov dl,31H
         int 21H
         mov dl,cl
         add dl,30H
         int 21H
         jmp quit
  chuli2:mov al,dl
         mov dl,31H
         int 21H
         mov dl,cl
         add dl,36H
         int 21H
    quit:mov dl,0dH
         int 21H
         mov dl,0aH
         int 21H
         pop dx
         ENDM
          
DATAS segment
Str db 13,10,20 dup(?)
shu db 0
zi  db 0
qi db 0
Str1 db "The deleted letter's number:",'$'
Str2 db "    The total number:       ",'$'
Str3 db "   The letter's number:     ",'$'
Str4 db "   The figure's number:     ",'$'
Str5 db "    The new string:         ",'$'
DATAS ends

CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS
main proc far
START:
    MOV AX,DATAS
    MOV DS,AX
    
        
        mov si,0
getchar1:mov ah,01
        int 21H
        cmp al,0dH
        jz  xianshi
        cmp al,30H
        JB  daxie
        cmp al,3aH
        JNB daxie
        inc shu
        jmp getchar2
  daxie:cmp al,41H
        JB qita
        cmp al,5aH
        JNB xiaoxie
        inc zi
        jmp getchar2
  xiaoxie:cmp al,61H
        JB qita
        cmp al,7aH
        JNB qita
        inc zi
        jmp getchar2
   qita:inc qi
        jmp getchar1
getchar2:mov Str[si],al
        inc si
        cmp si,20
        jnz getchar1 
xianshi: mov dl,0aH
         mov ah,02H
         int 21H
         inc si
         mov Str[si],'$'
         lea dx,Str4
         mov ah,9
         int 21H
         mov dl,shu
         xianshu
         lea dx,Str3
         mov ah,9
         int 21H
         mov dl,zi
         xianshu
         lea dx,Str1
         mov ah,9
         int 21H
         mov dl,qi
         xianshu
         lea dx,Str2
         mov ah,9
         int 21H
         mov dx,si
         sub dh,dh
         dec dl
         xianshu
         lea dx,Str5
         mov ah,9
         int 21H
         lea dx,Str
         mov ah,09
         int 21H
         mov ax,4c00H
         int 21H
  main endp
 CODES ends
       END START