88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
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// ---------------------------------------------------------------------------
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// This file is part of reSID, a MOS6581 SID emulator engine.
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// Copyright (C) 1999 Dag Lem <resid@nimrod.no>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// ---------------------------------------------------------------------------
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#ifndef __SIDDEFS_FP_H__
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#define __SIDDEFS_FP_H__
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#define M_PI_f 3.14159265358979323846f
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#else
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#define M_PI_f ((float) M_PI)
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#endif
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#ifndef M_LN2
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#define M_LN2 0.69314718055994530942
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#define M_LN2_f 0.69314718055994530942f
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#else
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#define M_LN2_f ((float) M_LN2)
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#endif
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// Define bool, true, and false for C++ compilers that lack these keywords.
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#define RESID_HAVE_BOOL @RESID_HAVE_BOOL@
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#if !RESID_HAVE_BOOL
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typedef int bool;
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const bool true = 1;
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const bool false = 0;
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#endif
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// We could have used the smallest possible data type for each SID register,
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// however this would give a slower engine because of data type conversions.
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// An int is assumed to be at least 32 bits (necessary in the types reg24,
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// cycle_count, and sound_sample). GNU does not support 16-bit machines
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// (GNU Coding Standards: Portability between CPUs), so this should be
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// a valid assumption.
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typedef unsigned int reg4;
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typedef unsigned int reg8;
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typedef unsigned int reg12;
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typedef unsigned int reg16;
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typedef unsigned int reg24;
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typedef int cycle_count;
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enum chip_model { MOS6581FP=1, MOS8580FP };
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enum sampling_method { SAMPLE_INTERPOLATE=1, SAMPLE_RESAMPLE_INTERPOLATE };
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extern "C"
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{
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#ifndef __VERSION_CC__
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extern const char* resid_version_string;
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#else
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const char* resid_version_string = VERSION;
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#endif
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}
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// Inlining on/off.
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#define RESID_INLINE @RESID_INLINE@
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#define RESID_USE_SSE @RESID_USE_SSE@
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#if @HAVE_LOGF_PROTOTYPE@
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#define HAVE_LOGF_PROTOTYPE
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#endif
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#if @HAVE_EXPF_PROTOTYPE@
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#define HAVE_EXPF_PROTOTYPE
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#endif
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#endif // not __SIDDEFS_H__
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