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/* ScummVM - Scumm Interpreter
* Copyright (C) 1999-2000 Tatsuyuki Satoh
* Copyright (C) 2001-2003 The ScummVM project
*
* This program 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.
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
* LGPL licensed version of MAMEs fmopl (V0.60a modified) by
* Tatsuyuki Satoh and Jarek Burczynski. Included from LGPL'ed AdPlug.
*/
#ifndef __FMOPL_H_
#define __FMOPL_H_
#define HAS_YM3812 1
/* --- select emulation chips --- */
#define BUILD_YM3812 (HAS_YM3812)
#define BUILD_YM3526 (HAS_YM3526)
#define BUILD_Y8950 (HAS_Y8950)
/* select output bits size of output : 8 or 16 */
#define OPL_SAMPLE_BITS 16
/* compiler dependence */
#ifndef OSD_CPU_H
#define OSD_CPU_H
typedef unsigned char UINT8; /* unsigned 8bit */
typedef unsigned short UINT16; /* unsigned 16bit */
typedef unsigned int UINT32; /* unsigned 32bit */
typedef signed char INT8; /* signed 8bit */
typedef signed short INT16; /* signed 16bit */
typedef signed int INT32; /* signed 32bit */
#endif
#if (OPL_SAMPLE_BITS==16)
typedef INT16 OPLSAMPLE;
#endif
#if (OPL_SAMPLE_BITS==8)
typedef INT8 OPLSAMPLE;
#endif
typedef void (*OPL_TIMERHANDLER)(int channel,double interval_Sec);
typedef void (*OPL_IRQHANDLER)(int param,int irq);
typedef void (*OPL_UPDATEHANDLER)(int param,int min_interval_us);
typedef void (*OPL_PORTHANDLER_W)(int param,unsigned char data);
typedef unsigned char (*OPL_PORTHANDLER_R)(int param);
#if BUILD_YM3812
int YM3812Init(int num, int clock, int rate);
void YM3812Shutdown(void);
void YM3812ResetChip(int which);
int YM3812Write(int which, int a, int v);
unsigned char YM3812Read(int which, int a);
int YM3812TimerOver(int which, int c);
void YM3812UpdateOne(int which, INT16 *buffer, int length);
void YM3812SetTimerHandler(int which, OPL_TIMERHANDLER TimerHandler, int channelOffset);
void YM3812SetIRQHandler(int which, OPL_IRQHANDLER IRQHandler, int param);
void YM3812SetUpdateHandler(int which, OPL_UPDATEHANDLER UpdateHandler, int param);
#endif
#if BUILD_YM3526
/*
** Initialize YM3526 emulator(s).
**
** 'num' is the number of virtual YM3526's to allocate
** 'clock' is the chip clock in Hz
** 'rate' is sampling rate
*/
int YM3526Init(int num, int clock, int rate);
/* shutdown the YM3526 emulators*/
void YM3526Shutdown(void);
void YM3526ResetChip(int which);
int YM3526Write(int which, int a, int v);
unsigned char YM3526Read(int which, int a);
int YM3526TimerOver(int which, int c);
/*
** Generate samples for one of the YM3526's
**
** 'which' is the virtual YM3526 number
** '*buffer' is the output buffer pointer
** 'length' is the number of samples that should be generated
*/
void YM3526UpdateOne(int which, INT16 *buffer, int length);
void YM3526SetTimerHandler(int which, OPL_TIMERHANDLER TimerHandler, int channelOffset);
void YM3526SetIRQHandler(int which, OPL_IRQHANDLER IRQHandler, int param);
void YM3526SetUpdateHandler(int which, OPL_UPDATEHANDLER UpdateHandler, int param);
#endif
#if BUILD_Y8950
#include "ymdeltat.h"
/* Y8950 port handlers */
void Y8950SetPortHandler(int which, OPL_PORTHANDLER_W PortHandler_w, OPL_PORTHANDLER_R PortHandler_r, int param);
void Y8950SetKeyboardHandler(int which, OPL_PORTHANDLER_W KeyboardHandler_w, OPL_PORTHANDLER_R KeyboardHandler_r, int param);
void Y8950SetDeltaTMemory(int which, void * deltat_rom, int deltat_rom_size );
int Y8950Init (int num, int clock, int rate);
void Y8950Shutdown (void);
void Y8950ResetChip (int which);
int Y8950Write (int which, int a, int v);
unsigned char Y8950Read (int which, int a);
int Y8950TimerOver (int which, int c);
void Y8950UpdateOne (int which, INT16 *buffer, int length);
void Y8950SetTimerHandler (int which, OPL_TIMERHANDLER TimerHandler, int channelOffset);
void Y8950SetIRQHandler (int which, OPL_IRQHANDLER IRQHandler, int param);
void Y8950SetUpdateHandler (int which, OPL_UPDATEHANDLER UpdateHandler, int param);
#endif
#endif
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