new file mode 100644
--- /dev/null
+++ b/src/ov-int8.cc
@@ -0,0 +1,90 @@
+/*
+
+Copyright (C) 2004 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
+#pragma implementation
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <climits>
+
+#include <iostream>
+#include <vector>
+
+#include "lo-ieee.h"
+#include "lo-utils.h"
+#include "mx-base.h"
+#include "quit.h"
+
+#include "defun.h"
+#include "gripes.h"
+#include "oct-obj.h"
+#include "oct-lvalue.h"
+#include "ops.h"
+#include "ov-base.h"
+#include "ov-base-int.h"
+#include "ov-base-int.cc"
+#include "ov-int8.h"
+#include "ov-type-conv.h"
+#include "pr-output.h"
+#include "variables.h"
+
+#include "byte-swap.h"
+#include "ls-oct-ascii.h"
+#include "ls-utils.h"
+#include "ls-hdf5.h"
+
+template class octave_base_matrix<int8NDArray>;
+
+template class octave_base_int_matrix<int8NDArray>;
+
+DEFINE_OCTAVE_ALLOCATOR (octave_int8_matrix);
+
+DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_int8_matrix,
+				     "int8 matrix", "int8");
+
+template class octave_base_scalar<octave_int8>;
+
+template class octave_base_int_scalar<octave_int8>;
+
+DEFINE_OCTAVE_ALLOCATOR (octave_int8_scalar);
+
+DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_int8_scalar,
+				     "int8 scalar", "int8");
+
+DEFUN (int8, args, ,
+  "-*- texinfo -*-\n\
+@deftypefn {Built-in Function} {} int8 (@var{x})\n\
+Convert @var{x} to 8-bit integer type.\n\
+@end deftypefn")
+{
+  OCTAVE_TYPE_CONV_BODY (int8);
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/