code segment assume cs:code org 100h main proc far mov dx,140h mov bx,0fffh in al,61h and al,11111100b sound: xor al,2 out 61h,al add dx,9248h mov cl,3 ror dx,cl mov cx,dx and cx,0fffh or cx,10h delay: loop delay dec bx jnz sound and al,11111100b out 61h,al int 20h main endp code ends end main 编译可以过,LINK也可以.但是不能运行.我不知道哪里出问题了