虽然是瞎写的,但基本思想是这样的,汇编的格式我忘了,你加上就得了!
data segment
s db 256 dup(?)
num0 db 0
num db 0
line1 db 'eg.>'
data ends
code segment
cs:code,ds:data
begin:
mov ax,data
mov ds,ax
lea dx,line1
mov ah,2
int 21h
lea si,s
loopin:
mov ah,1
int 21h
cmp dl,13
je loopinend
inc si
inc num
jmp loopin
loopinend:
lea si,s
mov cl,num
loopout:
mov bl,[si]
cmp bl,'0'
je je_je
ja ja_ja
je_je:
inc num0
inc si
怪麻烦的,不写了!