汇编语言（王爽第三版）实验9根据材料编程

assume es:data,ss:stack,cs:data
data segment
db 'welcome to masm!'
db 02h,24h,71h
data ends

stack segment
db 10 dup(0)
stack ends

code segment
start:  ;初始化data数据段
mov ax,data
mov es,ax
mov di,0
mov si,16
;初始化显示缓存区
mov ax,0b800h
mov ds,ax
mov bx,1980
;建栈
mov ax,stack
mov ss,ax
mov sp,0

mov cx,3
;循环
s:push cx
mov cx,16

output:mov al,es:[di]
mov [bx],al
mov ah,es:[si]
mov [bx+1],ah
inc di
add bx,2
loop output

inc si
mov di,0
add bx,128
pop cx
loop s

mov ax,4c00h
int 21h
code ends
end