*copyc OSC$BASE_EXCEPTION
?? NEWTITLE := 'System Debug Utility Error Codes : ''OS'' 900 .. 999',
  EJECT ??

  CONST
    ose$address_not_readable = osc$base_exception + 900,
    {E Address not readable.}

    ose$address_not_writable = osc$base_exception + 901;
    {E Address not writable.}
?? OLDTITLE ??
