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Large Pack of OldSkool DOS MOD Trackers
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goattracker_2.68.zip
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resid-fp
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siddefs-fp.h
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C/C++ Source or Header
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2009-01-03
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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_FP_H__
#define __SIDDEFS_FP_H__
#ifndef M_PI
#define M_PI 3.14159265358979323846
#define M_PI_f 3.14159265358979323846f
#else
#define M_PI_f ((float) M_PI)
#endif
#ifndef M_LN2
#define M_LN2 0.69314718055994530942
#define M_LN2_f 0.69314718055994530942f
#else
#define M_LN2_f ((float) M_LN2)
#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;
#ifndef __SIDDEFS_H__
enum chip_model { MOS6581, MOS8580, MOS6581FP, MOS8580FP };
enum sampling_method { SAMPLE_FAST, SAMPLE_INTERPOLATE,
SAMPLE_RESAMPLE_INTERPOLATE, SAMPLE_RESAMPLE_FAST };
#endif
extern "C"
{
#ifndef __VERSION_CC__
extern const char* resid_version_string;
#else
const char* resid_version_string = VERSION;
#endif
}
#define RESID_INLINE inline
#endif // not __SIDDEFS_H__