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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, Curt Coder
/**********************************************************************
MOS 6581/8580 Sound Interface Device emulation
**********************************************************************
_____ _____
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
**********************************************************************/
#ifndef MAME_SOUND_MOS6581_H
#define MAME_SOUND_MOS6581_H
#pragma once
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_MOS6581_POTX_CALLBACK(_read) \
devcb = &mos6581_device::set_potx_rd_callback(*device, DEVCB_##_read);
#define MCFG_MOS6581_POTY_CALLBACK(_read) \
devcb = &mos6581_device::set_poty_rd_callback(*device, DEVCB_##_read);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> mos6581_device
struct SID6581_t;
class mos6581_device : public device_t, public device_sound_interface
{
public:
// used by the actual SID emulator
enum
{
TYPE_6581,
TYPE_8580
};
mos6581_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
~mos6581_device();
template <class Object> static devcb_base &set_potx_rd_callback(device_t &device, Object &&cb) { return downcast<mos6581_device &>(device).m_read_potx.set_callback(std::forward<Object>(cb)); }
template <class Object> static devcb_base &set_poty_rd_callback(device_t &device, Object &&cb) { return downcast<mos6581_device &>(device).m_read_poty.set_callback(std::forward<Object>(cb)); }
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
protected:
mos6581_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint32_t variant);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
devcb_read8 m_read_potx;
devcb_read8 m_read_poty;
sound_stream *m_stream;
int const m_variant;
std::unique_ptr<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_t clock);
};
// device type definition
DECLARE_DEVICE_TYPE(MOS6581, mos6581_device)
DECLARE_DEVICE_TYPE(MOS8580, mos8580_device)
#endif // MAME_SOUND_MOS6581_H
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