nbsp; ;Timer tick
dw v08
db 1ah ;Real_time clock
dw v1a
db 09h ;Keyboard input
dw v09
db 1bh ;CTRL_Break handler
dw v1b
db 0bh ;Comm.port 1
dw v0b
db 1ch ;Timer control
dw v1c
db 0ch ;Comm.port 0
dw v0c
db 1dh ;Pointer to video parameter table
dw v1d
db 0dh ;Hard disk controller
dw v0d
db 1eh ;Pointer to disk parameter table
dw v1e
db 0eh ;Floppy disk controller
dw v0e
db 1fh &n