mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-11 04:51:13 +00:00
118 lines
2.4 KiB
C
118 lines
2.4 KiB
C
|
/*
|
||
|
* Copyright (C) 2013-2014 Nuke.YKT
|
||
|
*
|
||
|
* 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
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
Nuked Yamaha YMF262(aka OPL3) emulator.
|
||
|
Thanks:
|
||
|
MAME Development Team:
|
||
|
Feedback and Rhythm part calculation information.
|
||
|
forums.submarine.org.uk(carbon14, opl3):
|
||
|
Tremolo and phase generator calculation information.
|
||
|
*/
|
||
|
|
||
|
//version 1.4.2
|
||
|
|
||
|
#include "opl.h"
|
||
|
#include "muslib.h"
|
||
|
|
||
|
typedef uintptr_t Bitu;
|
||
|
typedef intptr_t Bits;
|
||
|
typedef DWORD Bit32u;
|
||
|
typedef SDWORD Bit32s;
|
||
|
typedef WORD Bit16u;
|
||
|
typedef SWORD Bit16s;
|
||
|
typedef BYTE Bit8u;
|
||
|
typedef SBYTE Bit8s;
|
||
|
|
||
|
struct channel {
|
||
|
Bit8u con;
|
||
|
Bit8u chtype;
|
||
|
Bit8u alg;
|
||
|
Bit16u offset;
|
||
|
Bit8u feedback;
|
||
|
Bit16u cha, chb, chc, chd;
|
||
|
Bit16s out;
|
||
|
Bit16u f_number;
|
||
|
Bit8u block;
|
||
|
Bit8u ksv;
|
||
|
float panl;
|
||
|
float panr;
|
||
|
};
|
||
|
|
||
|
struct slot {
|
||
|
Bit32u PG_pos;
|
||
|
Bit32u PG_inc;
|
||
|
Bit16s EG_out;
|
||
|
Bit8u eg_inc;
|
||
|
Bit8u eg_gen;
|
||
|
Bit8u eg_gennext;
|
||
|
Bit16u EG_mout;
|
||
|
Bit8u EG_ksl;
|
||
|
Bit8u EG_ar;
|
||
|
Bit8u EG_dr;
|
||
|
Bit8u EG_sl;
|
||
|
Bit8u EG_rr;
|
||
|
Bit8u EG_state;
|
||
|
Bit8u EG_type;
|
||
|
Bit16s out;
|
||
|
Bit16s *mod;
|
||
|
Bit16s prevout[2];
|
||
|
Bit16s fbmod;
|
||
|
Bit16u offset;
|
||
|
Bit8u mult;
|
||
|
Bit8u vibrato;
|
||
|
Bit8u tremolo;
|
||
|
Bit8u ksr;
|
||
|
Bit8u EG_tl;
|
||
|
Bit8u ksl;
|
||
|
Bit8u key;
|
||
|
Bit8u waveform;
|
||
|
};
|
||
|
|
||
|
|
||
|
struct chip {
|
||
|
Bit8u opl_memory[0x200];
|
||
|
Bit8u newm;
|
||
|
Bit8u nts;
|
||
|
Bit8u rhythm;
|
||
|
Bit8u dvb;
|
||
|
Bit8u dam;
|
||
|
Bit32u noise;
|
||
|
Bit16u vib_pos;
|
||
|
Bit16u timer;
|
||
|
Bit8u trem_inc;
|
||
|
Bit8u trem_tval;
|
||
|
Bit8u trem_dir;
|
||
|
Bit8u trem_val;
|
||
|
channel Channels[18];
|
||
|
slot OPs[36];
|
||
|
Bit16s zm;
|
||
|
};
|
||
|
|
||
|
class NukedOPL3 : public OPLEmul {
|
||
|
private:
|
||
|
chip opl3;
|
||
|
bool FullPan;
|
||
|
public:
|
||
|
void Reset();
|
||
|
void Update(float* sndptr, int numsamples);
|
||
|
void WriteReg(int reg, int v);
|
||
|
void SetPanning(int c, float left, float right);
|
||
|
|
||
|
NukedOPL3(bool stereo);
|
||
|
};
|