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diff --git a/sid/sidplay-libs-2.1.0/resid/siddefs.h b/sid/sidplay-libs-2.1.0/resid/siddefs.h
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+// ---------------------------------------------------------------------------
+// This file is part of reSID, a MOS6581 SID emulator engine.
+// Copyright (C) 1999 Dag Lem <resid@nimrod.no>
+//
+// This program 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 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// ---------------------------------------------------------------------------
+
+#ifndef __SIDDEFS_H__
+#define __SIDDEFS_H__
+
+// Define bool, true, and false for C++ compilers that lack these keywords.
+#define RESID_HAVE_BOOL 1
+
+// Inlining on/off.
+#define RESID_INLINING 1
+#define RESID_INLINE inline
+
+// Support namespace
+
+#ifdef RESID_NAMESPACE
+# define RESID_NAMESPACE_START \
+ namespace RESID_NAMESPACE \
+ {
+# define RESID_NAMESPACE_STOP \
+ }
+#else
+# define RESID_NAMESPACE_START
+# define RESID_NAMESPACE_STOP
+#endif
+
+
+RESID_NAMESPACE_START
+
+#if !RESID_HAVE_BOOL
+typedef int bool;
+const bool true = 1;
+const bool false = 0;
+#endif
+
+// We could have used the smallest possible data type for each SID register,
+// however this would give a slower engine because of data type conversions.
+// An int is assumed to be at least 32 bits (necessary in the types reg24,
+// cycle_count, and sound_sample). GNU does not support 16-bit machines
+// (GNU Coding Standards: Portability between CPUs), so this should be
+// a valid assumption.
+
+typedef unsigned int reg4;
+typedef unsigned int reg8;
+typedef unsigned int reg12;
+typedef unsigned int reg16;
+typedef unsigned int reg24;
+
+typedef int cycle_count;
+typedef int sound_sample;
+typedef sound_sample fc_point[2];
+
+enum chip_model { MOS6581, MOS8580 };
+
+enum sampling_method { SAMPLE_FAST, SAMPLE_INTERPOLATE, SAMPLE_RESAMPLE };
+
+extern "C"
+{
+#ifndef __VERSION_CC__
+extern const char* resid_version_string;
+#else
+const char* resid_version_string = VERSION;
+#endif
+}
+
+RESID_NAMESPACE_STOP
+
+#endif // not __SIDDEFS_H__