中断的安装程序: assume cs:code code segment start: mov ax, cs mov ds, ax mov si, offset chstr mov es, ax mov di, 200h mov cx, offset chstrend - offset chstr cld rep movsb mov es, ax + ], 200h + ], mov ax, 4c00h int 21h chstr: lh: mov cl, [si] jcxz ok and by…