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/**********************************************************************
MOS 6581/8580 Sound Interface Device emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************
_____ _____
CAP1A 1 |* \_/ | 28 Vdd
CAP1B 2 | | 27 AUDIO OUT
CAP2A 3 | | 26 EXT IN
CAP2B 4 | | 25 Vcc
_RES 5 | | 24 POTX
phi2 6 | | 23 POTY
R/_W 7 | MOS6581 | 22 D7
_CS 8 | MOS8580 | 21 D6
A0 9 | | 20 D5
A1 10 | | 19 D4
A2 11 | | 18 D3
A3 12 | | 17 D2
A4 13 | | 16 D1
GND 14 |_____________| 15 D0
**********************************************************************/
#pragma once
#ifndef __MOS6581__
#define __MOS6581__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_MOS6581_POTXY_CALLBACKS(_potx, _poty) \
downcast<mos6581_device *>(device)->set_callbacks(DEVCB2_##_potx, DEVCB2_##_poty);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> mos6581_device
struct SID6581_t;
class mos6581_device : public device_t,
public device_sound_interface
{
public:
mos6581_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant);
mos6581_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _potx, class _poty> void set_callbacks(_potx potx, _poty poty) {
m_read_potx.set_callback(potx);
m_read_poty.set_callback(poty);
}
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
enum
{
TYPE_6581,
TYPE_8580
};
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
devcb2_read8 m_read_potx;
devcb2_read8 m_read_poty;
sound_stream *m_stream;
int m_variant;
SID6581_t *m_token;
};
// ======================> mos8580_device
class mos8580_device : public mos6581_device
{
public:
mos8580_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
// device type definition
extern const device_type MOS6581;
extern const device_type MOS8580;
#endif
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