assume cs:code
a segment
dw 1h,2h,3h,4h,5h,6h,7h,8h,9h,0ah,0bh,0ch,0dh,0eh,0fh,0ffh
a ends
b segment
dw 0,0,0,0,0,0,0,0
b ends
code segment
strat:mov ax,a
mov ds,ax
mov ax,b
mov ss,ax
mov sp,10h
mov bx,0
mov cx,8
s:push ds:[bx]
inc bx
inc bx
loop s
mov ax,4c00h
int 21h
code ends
end strat
为什么只能复制过去 5个字节,后面的三个字节为什么不能复制 |