blob: 30cfcd7ac25c77733e6f32a915266012d4a3ca77 (
plain)
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
|
/*
* Interfaces over Yamaha OPL3 (ym3812) chip emulators
*
* Copyright (c) 2017-2025 Vitaly Novichkov (Wohlstand)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mame_opl2.h"
#include "mame/opl.h"
#include <cstring>
MameOPL2::MameOPL2() :
OPLChipBaseT()
{
m_chip = YM3812Create(false);
MameOPL2::setRate(m_rate);
}
MameOPL2::~MameOPL2()
{
OPLEmul *chip_r = reinterpret_cast<OPLEmul*>(m_chip);
delete chip_r;
}
void MameOPL2::setRate(uint32_t rate)
{
OPLChipBaseT::setRate(rate);
OPLEmul *chip_r = reinterpret_cast<OPLEmul*>(m_chip);
chip_r->Reset();
}
void MameOPL2::reset()
{
OPLChipBaseT::reset();
OPLEmul *chip_r = reinterpret_cast<OPLEmul*>(m_chip);
chip_r->Reset();
}
void MameOPL2::writeReg(uint16_t addr, uint8_t data)
{
OPLEmul *chip_r = reinterpret_cast<OPLEmul*>(m_chip);
chip_r->WriteReg(addr, data);
}
void MameOPL2::nativeGenerate(int16_t *frame)
{
OPLEmul *chip_r = reinterpret_cast<OPLEmul*>(m_chip);
frame[0] = 0;
chip_r->UpdateS(frame, 1);
frame[1] = frame[0];
}
const char *MameOPL2::emulatorName()
{
return "MAME OPL2";
}
bool MameOPL2::hasFullPanning()
{
return false;
}
OPLChipBase::ChipType MameOPL2::chipType()
{
return CHIPTYPE_OPL2;
}
|