assume cs:code,ds:data
data segment
db 'WELCOME TO MASM!'
db 02h,24h,71h
data ends
code segment
start:
mov ax,data
mov ds,ax
mov ax,0b86eh
mov es,ax
mov bx,0
mov si,0
mov cx,16
s0: mov dx,cx
mov di,10h
mov cx,3
s1: mov ah,ds:[di]
mov al,ds:[bx]
mov es:[si],ax
add di,1
add si,10h
loop s1
mov cx,dx
mov si,2
add bx,1
loop s0
mov ax,4c00h
int 21h
code ends
end start
为什么debug中B800写不进去? |
