mirror of
https://github.com/libretro/scummvm.git
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90 lines
2.0 KiB
C++
90 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#include "sound/fmopl.h"
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#include "sound/softsynth/opl/dosbox.h"
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#include "sound/softsynth/opl/mame.h"
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namespace OPL {
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bool OPL::_hasInstance = false;
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OPL *OPL::create(kOplType type) {
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// Simple hack to assure we only create one instance,
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// since the DOSBox OPL emulator does not allow more than
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// one instance.
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assert(!_hasInstance);
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_hasInstance = true;
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#ifdef DISABLE_DOSBOX_OPL
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if (type != kOpl2)
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return 0;
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else
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return new MAME::OPL_MAME();
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#else
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return new DOSBox::OPL_DOSBox(type);
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#endif
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}
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} // end of namespace OPL
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void OPLDestroy(FM_OPL *OPL) {
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delete OPL;
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}
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void OPLResetChip(FM_OPL *OPL) {
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OPL->reset();
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}
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void OPLWrite(FM_OPL *OPL, int a, int v) {
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OPL->write(a, v);
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}
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unsigned char OPLRead(FM_OPL *OPL, int a) {
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return OPL->read(a);
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}
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void OPLWriteReg(FM_OPL *OPL, int r, int v) {
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OPL->writeReg(r, v);
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}
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void YM3812UpdateOne(FM_OPL *OPL, int16 *buffer, int length) {
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OPL->readBuffer(buffer, length);
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}
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FM_OPL *makeAdlibOPL(int rate) {
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FM_OPL *opl = OPL::OPL::create(OPL::OPL::kOpl2);
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if (opl) {
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if (!opl->init(rate)) {
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delete opl;
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opl = 0;
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}
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}
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return opl;
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}
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