匯編:統(tǒng)計輸入字符串內(nèi)的數(shù)字個數(shù)(最多三位數(shù)0—256)
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calculator:
lea dx,result
mov result[di],al
inc si
inc sum
inc di
dec cx
jmp exchang
over: ;處理并輸出數(shù)字個數(shù)
lea dx,overs
mov ah,09h
int 21h
mov ax,0000h
mov al,sum[0] ;判斷是否為三位數(shù)
cmp al,64h
jae san
mov bl,10
div bl
mov dx,ax
add dx,3030h
mov ah,02h
int 21h
mov dl,dh
mov ah,02h
int 21h
jmp a
san: mov bl,10 ;如果是三位數(shù)則多處理一位
div bl
mov cl,ah ;把第一位給cl
add cl,30h
mov ah,00h
div bl ;第二次除十
mov dx,ax
add dx,3030h
mov ah,02h
int 21h
mov dl,dh
mov ah,02h
int 21h
mov dl,cl
mov ah,02h
int 21h
a: lea dx,kongzi
mov ah,09h ;判斷是否循環(huán)操作
int 21h
lea dx,tital2
mov ah,09h
int 21h
mov ah,01h
int 21h
cmp al,y
je main
lea dx,tital3
mov ah,09h
int 21h
MOV AH,4CH
INT 21H
CODES ENDS
END START
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