下列程序中,出现逻辑错误的是:
1、assume cs:code
code segment
mov ax,2
add ax,ax
mov ax,4c00h
int 21h
code
end
2、assume cs:code
code segment
mov ax,2
add ax,ax
code ends
end
3、aume cs;code
code segment
mov ax,2
add ax,ax
mov 4c00h
int 21h
code ends
end
4、assume cs:code
code segment
mov ax,2
add ax,ax
mov 4c00h
int 21h
code ends |