第一个:
assume cs:codesg
codesg segment
dw 0123h,0456h,0789h,0abch,0defh,0fedh,0cbah,0987h
start:mov ax,0
mov ds,ax
mov bx,0
mov cx,8
s0: mov ax,[bx]
mov cs:[bx],ax
add bx,2
loop s0
mov ax,4c00h
int 21h
codesg ends
end start
第二个:
assume cs:codesg
codesg segment
dw 0123h,0456h,0789h,0abch,0defh,0fedh,0cbah,0987h
dw 0,0,0,0,0,0,0,0,0,0
start:mov ax,cs
mov ss,ax
mov sp,30h
mov ax,0
mov ds,ax
mov bx,0
mov cx,8
s0: push [bx]
pop cs:[bx]
add bx,2
loop s0
mov ax,4c00h
int 21h
codesg ends
end start