assume cs:code,ds:data,ss:stack
data segment
db 'welcome to masm!'
db 02h,24h,71h
data ends
stack segment
dw 8 dup(0)
stack ends
code segment
start: mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
mov sp,16
mov ax,0b872h
mov es,ax
mov bx,0
mov di,0
mov cx,3
s: push cx
push bx
push di
mov cx,16
s1: mov al,[bx]
mov es:[di],al
inc bx
add di,2
loop s1
pop di
pop bx
pop cx
add di,0a0h
loop s
mov bx,0
mov di,0
mov si,16
mov cx,3
s2: push cx
push bx
push di
mov cx,16
s3: mov al,[bx+si]
mov es:[di+1],al
add di,2
loop s3
pop di
pop bx
pop cx
inc si
add di,0a0h
loop s2
mov ax,4c00h
int 21h
code ends
end start
大家帮忙指点指点。看看有什么不妥之处！？ |
