mirror of
https://github.com/RetroDECK/Supermodel.git
synced 2024-11-23 06:15:37 +00:00
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
|
/**
|
||
|
|
** Supermodel
|
||
|
|
** A Sega Model 3 Arcade Emulator.
|
||
|
|
** Copyright 2011 Bart Trzynadlowski
|
||
|
|
**
|
||
|
|
** This file is part of Supermodel.
|
||
|
|
**
|
||
|
|
** Supermodel 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 3 of the License, or (at your option)
|
||
|
|
** any later version.
|
||
|
|
**
|
||
|
|
** Supermodel 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 Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
**/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SoundBoard.h
|
||
|
|
*
|
||
|
|
* Header file defining the CSoundBoard class: Model 3 audio subsystem.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef INCLUDED_SOUNDBOARD_H
|
||
|
|
#define INCLUDED_SOUNDBOARD_H
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CSoundBoard:
|
||
|
|
*
|
||
|
|
* Model 3 sound board (68K CPU + 2 x SCSP).
|
||
|
|
*/
|
||
|
|
class CSoundBoard
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/*
|
||
|
|
* WriteMIDIPort(data):
|
||
|
|
*
|
||
|
|
* Writes to the sound board MIDI port.
|
||
|
|
*
|
||
|
|
* Parameters:
|
||
|
|
* data Byte to write to MIDI port.
|
||
|
|
*/
|
||
|
|
void WriteMIDIPort(UINT8 data);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* RunFrame(void):
|
||
|
|
*
|
||
|
|
* Runs the sound board for one frame, updating sound in the process.
|
||
|
|
*/
|
||
|
|
void RunFrame(void);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Reset(void):
|
||
|
|
*
|
||
|
|
* Resets the sound board.
|
||
|
|
*/
|
||
|
|
void Reset(void);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Init(soundROMPtr, sampleROMPtr):
|
||
|
|
*
|
||
|
|
* One-time initialization. Must be called prior to all other members.
|
||
|
|
*
|
||
|
|
* Parameters:
|
||
|
|
* soundROMPtr Pointer to sound ROM (68K program).
|
||
|
|
* sampleROMPtr Pointer to sample ROM.
|
||
|
|
* ppcIRQObjectPtr Pointer to PowerPC-side IRQ object.
|
||
|
|
* soundIRQBit IRQ bit mask to use for sound board PowerPC IRQs.
|
||
|
|
*
|
||
|
|
* Returns:
|
||
|
|
* OKAY if successful, FAIL if unable to allocate memory. Prints own
|
||
|
|
* error messages.
|
||
|
|
*/
|
||
|
|
BOOL Init(const UINT8 *soundROMPtr, const UINT8 *sampleROMPtr, CIRQ *ppcIRQObjectPtr, unsigned soundIRQBit);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CSoundBoard(void):
|
||
|
|
* ~CSoundBoard(void):
|
||
|
|
*
|
||
|
|
* Constructor and destructor.
|
||
|
|
*/
|
||
|
|
CSoundBoard(void);
|
||
|
|
~CSoundBoard(void);
|
||
|
|
|
||
|
|
private:
|
||
|
|
// PowerPC IRQ controller
|
||
|
|
CIRQ *ppcIRQ;
|
||
|
|
unsigned ppcSoundIRQBit;
|
||
|
|
|
||
|
|
// Sound board memory
|
||
|
|
const UINT8 *soundROM; // 68K program ROM (passed in from parent object)
|
||
|
|
const UINT8 *sampleROM; // 68K sample ROM (passed in from parent object)
|
||
|
|
UINT8 *memoryPool; // single allocated region for all sound board RAM
|
||
|
|
UINT8 *ram1, *ram2; // SCSP1 and SCSP2 RAM
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif // INCLUDED_SOUNDBOARD_H
|