主要的问题是你不太会用CMP这个指令.code segmentassume cs:codestart:mov ax,40cmp ax,40jnz s1call delays1:mov ax,40cmp ax,40jnz s2call delays2:mov dx,2mov ah,4chint 21hx1 proc nearmov cx,1mov bx,2retx1 endpcode endsend start