1//  ---------------------------------------------------------------------------
2//  This file is part of reSID, a MOS6581 SID emulator engine.
3//  Copyright (C) 2010  Dag Lem <resid@nimrod.no>
4//
5//  This program is free software; you can redistribute it and/or modify
6//  it under the terms of the GNU General Public License as published by
7//  the Free Software Foundation; either version 2 of the License, or
8//  (at your option) any later version.
9//
10//  This program is distributed in the hope that it will be useful,
11//  but WITHOUT ANY WARRANTY; without even the implied warranty of
12//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13//  GNU General Public License for more details.
14//
15//  You should have received a copy of the GNU General Public License
16//  along with this program; if not, write to the Free Software
17//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18//  ---------------------------------------------------------------------------
19
20#ifndef RESID_SIDDEFS_H
21#define RESID_SIDDEFS_H
22
23// Compilation configuration.
24#define RESID_INLINING @RESID_INLINING@
25#define RESID_INLINE @RESID_INLINE@
26#define RESID_BRANCH_HINTS @RESID_BRANCH_HINTS@
27
28#define NEW_8580_FILTER @NEW_8580_FILTER@
29
30// Compiler specifics.
31#define HAVE_BOOL @HAVE_BOOL@
32#define HAVE_BUILTIN_EXPECT @HAVE_BUILTIN_EXPECT@
33#define HAVE_LOG1P @HAVE_LOG1P@
34
35// Define bool, true, and false for C++ compilers that lack these keywords.
36#if !HAVE_BOOL
37typedef int bool;
38const bool true = 1;
39const bool false = 0;
40#endif
41
42#if HAVE_LOG1P
43#define HAS_LOG1P
44#endif
45
46// Branch prediction macros, lifted off the Linux kernel.
47#if RESID_BRANCH_HINTS && HAVE_BUILTIN_EXPECT
48#define likely(x)      __builtin_expect(!!(x), 1)
49#define unlikely(x)    __builtin_expect(!!(x), 0)
50#else
51#define likely(x)      (x)
52#define unlikely(x)    (x)
53#endif
54
55namespace reSID {
56
57// We could have used the smallest possible data type for each SID register,
58// however this would give a slower engine because of data type conversions.
59// An int is assumed to be at least 32 bits (necessary in the types reg24
60// and cycle_count). GNU does not support 16-bit machines
61// (GNU Coding Standards: Portability between CPUs), so this should be
62// a valid assumption.
63
64typedef unsigned int reg4;
65typedef unsigned int reg8;
66typedef unsigned int reg12;
67typedef unsigned int reg16;
68typedef unsigned int reg24;
69
70typedef int cycle_count;
71typedef short short_point[2];
72typedef double double_point[2];
73
74enum chip_model { MOS6581, MOS8580 };
75
76enum sampling_method {
77    SAMPLE_FAST,
78    SAMPLE_INTERPOLATE,
79    SAMPLE_RESAMPLE,
80    SAMPLE_RESAMPLE_FASTMEM
81};
82
83} // namespace reSID
84
85extern "C"
86{
87#ifndef RESID_VERSION_CC
88extern const char* resid_version_string;
89#else
90const char* resid_version_string = VERSION;
91#endif
92}
93
94#endif // not RESID_SIDDEFS_H
95