用汇编编写DOS下的内存驻留程序(3)：中断矢量

;        ;Communications driver
    dw      v14
    db      25h                     ;Absolute disk read
    dw      v25
    db      15h                     ;Cassette driver
    dw      v15
    db      26h                     ;Absolute disk write
    dw      v26    
    db      16h                     ;Keyboard driver
    dw      v16
    db      27h                     ;Terminate and stay resident
    dw      v27
    db      17h                     ;Printer driver
    dw      v17
    db      2fh                     ;Print spooler
    dw      v2f
    db      18h                     ;Rom basic
    dw      v18
    db      0
    dw      0
   v05     db      186,5 dup (20h),''Print screen:'',26 dup (20h),0
   v08     db      186,5 dup (20h),''Timer tick controller:'',17 dup (20h),0
   v09     db      186,5 dup (20h),''Keyboard input:'',24 dup (20h),0                      
   v0b     db      186,5 dup (20h),''Communication port 1:'',18 dup (20h),0
   v0c     db      186,5 dup (20h),''Communication port 0:'',18 dup