PGM CKDCB
        REL
        DSEG
* Device control block for the console keyboard
*       DW 0         link to driver
*       DW 0         LINK TO CODE
*       DW 0
        DW 0         device id
        DW 0         work queue
        DW 0         start routine
        DW 0
        DW 0         stop routine
        DW 0
        NOP
        CALLS 0,0    call driver in code segment
        DW 5         interrupt vector number
        DW #DA       control and status address
        DW #D8       i/o address
        END