data      equ      $2000      ; data area     (e-ram)
stak      equ      $7FFF      ; stack area    (e-ram)
prog      equ      $8000      ; programm area (e-eerom)
rvec      equ      $FFFE      ; reset vector

porta     equ      $1000      ; port a data
portb     equ      $1004      ; port b data
portc     equ      $1003      ; port c data reg.
ddrc      equ      $1007      ; port c data dir. reg.
portd     equ      $1008      ; port d data reg.
ddrd      equ      $1009      ; port d data dir. reg.
porte     equ      $100A      ; port e data
pioc      equ      $1002      ; parallel i/o control
portcl    equ      $1005      ; port c data latch
tmsk      equ      $1024      ; timer mask
tflg      equ      $1025      ; timer flag
pacr      equ      $1026      ; pulse accu control
baud      equ      $102B      ; SCI-baudrate
sccr1     equ      $102C      ; SCI-control1
sccr2     equ      $102D      ; SCI-control2
scsr      equ      $102E      ; SCI-status
scdr      equ      $102F      ; SCI-data

***************************
*        data area        *
***************************

          org      data


***************************
*      program area       *
***************************

          org      prog

main      lds      #stak      ; load stackpointer


***************************
*   Nachspann: Vektoren   *
***************************
          org      rvec
          fdb      main
          end