1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia 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.
//
// Nestopia 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 Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#include <cstdlib>
#include <ctime>
#include "../NstMachine.hpp"
#include "../NstImage.hpp"
#include "../NstBarcodeReader.hpp"
#include "../input/NstInpDevice.hpp"
#include "../input/NstInpBarcodeWorld.hpp"
#include "NstApiInput.hpp"
#include "NstApiBarcodeReader.hpp"
namespace Nes
{
namespace Api
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
Core::BarcodeReader* BarcodeReader::Query() const
{
if (emulator.image)
{
if (Core::Image::ExternalDevice device = emulator.image->QueryExternalDevice( Core::Image::EXT_BARCODE_READER ))
{
return static_cast<Core::BarcodeReader*>(device);
}
else if (emulator.expPort->GetType() == Input::BARCODEWORLD)
{
return &static_cast<Core::Input::BarcodeWorld*>(emulator.expPort)->GetReader();
}
}
return NULL;
}
uint BarcodeReader::Randomize(char (&string)[MAX_DIGITS+1]) const throw()
{
uint digits = 0;
if (Core::BarcodeReader* const barcodeReader = Query())
{
static uint extra = 0x1234;
std::srand( std::time(NULL) + extra++ );
if (!barcodeReader->IsDigitsSupported( MIN_DIGITS ))
{
digits = MAX_DIGITS;
}
else if (barcodeReader->IsDigitsSupported( MAX_DIGITS ) && (std::rand() & 0x1U))
{
digits = MAX_DIGITS;
}
else
{
digits = MIN_DIGITS;
}
uint sum = 0;
for (uint i=0; i < digits-1; ++i)
{
const uint digit = uint(std::rand()) / (RAND_MAX / 10 + 1);
string[i] = '0' + digit;
sum += (i & 1) ? (digit * 3) : (digit * 1);
}
string[digits-1] = '0' + (10 - sum % 10) % 10;
}
string[digits] = '\0';
return digits;
}
bool BarcodeReader::IsDigitsSupported(uint count) const throw()
{
if (Core::BarcodeReader* const barcodeReader = Query())
return barcodeReader->IsDigitsSupported( count );
return false;
}
bool BarcodeReader::CanTransfer() const throw()
{
return !emulator.tracker.IsLocked() && Query();
}
Result BarcodeReader::Transfer(const char* string,uint length) throw()
{
if (!emulator.tracker.IsLocked())
{
if (Core::BarcodeReader* const barcodeReader = Query())
return emulator.tracker.TryResync( barcodeReader->Transfer( string, length ) ? RESULT_OK : RESULT_ERR_INVALID_PARAM );
}
return RESULT_ERR_NOT_READY;
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
}
}
|
