[C.CC USERS] occam port

[sergiodesordi at libero.it]

With this occam program for arduino

#INCLUDE "plumbing.module"
#INCLUDE "twi2.module"
PROC porta()
  PORT OF BYTE portd :
  PLACE portd AT #002B :  -- addrress of PORTD  ATMEGA
  PORT OF BYTE dird :
  PLACE dird AT #002A :   -- address of DDRD
  SEQ
    dird  ! 255   -- all  bit in output
    WHILE TRUE
      SEQ
        portd ! 255
        delay(1000)
        portd ! 0
        delay(1000)
:      


Compiling: G:\Transterpreter\arduino\plumbing-book\port.occ
Warning-occ21-G:\Transterpreter\arduino\plumbing-book\port.occ(19)- PORT dird must be PLACED
Warning-occ21-G:\Transterpreter\arduino\plumbing-book\port.occ(17)- PORT portd must be PLACED
Warning-occ21-twi2.module(266)- parameter `bs' might be undefined here
compile completed sucessfully

I do not understand the Warning. The program does not work with Arduino.
 Maybe the port are not supported? Thank you very much for an answer.




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