用汇编编写DOS下的内存驻留程序(3)：中断矢量

p;             ;Call the display routine
    add     di,2                    ;Get the interrupt number
    mov     dl,[di]                 ;Advance to the next record       
    cmp     dl,0                    ;If it''s zero,we are done
    je      vdone                   ;so exit loop
    add     di,1                    ;Advance pointer 1 byte
    mov     si,[di]                 ;get pointer to description
    call    dvector                 ;Call the display routine
    add     di,2                    ;Advance to the next record
    jmp     vloop                  
   vdone:                   ;Print final CRLF
    ret
   vectors endp
   ;----------------------------------------------------------------------------
   ;Displays an interrupt vector.Display is in the form of
   ;,,:
   ;where ,and
   ;are all dexadecimal numbers
   ;Call with
   ;DX     -interrupt number
   ;DS:SI  -pointer to banner string
   ;----------------------------------------------------------------------------
   dvector proc    near
    call    dstring                 ;Display the string in DS:SI
    call    dbyte                   ;Display the byte in DL
    call    dspace                  ;Display a space
&nb