每次看小甲鱼视频前甲鱼哥说的问题我暂停先写代码最后跟他讲的对了一下没写错 呵呵

xiaomanyi520

assume cs:code,ds:datasg,ss:stack
datasg segment
db'abc             '
db'def              '
db'hij               '
db'lmn             '
datasg ends
stack segment
dW 8 dup(0)
stack ends
code segment
start:mov ax,datasg
mov ds,ax
mov ax,stack
mov ss,ax
mov bx,0
mov di,0
mov sp,16
mov cx,4
s: push cx
mov al,0
mov cx,3
s1:mov di,0
mov al,[bx+di]
and al,11011111b
mov [bx+di],al
inc di
loop s1
add bx,16
pop cx
loop s
mov ax,4c00H
int 21H
code ends
end start