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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
bsmt2000.h
BSMT2000 device emulator.
***************************************************************************/
#ifndef MAME_SOUND_BSMT2000_H
#define MAME_SOUND_BSMT2000_H
#pragma once
#include "cpu/tms32010/tms32010.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_BSMT2000_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, BSMT2000, _clock)
#define MCFG_BSMT2000_REPLACE(_tag, _clock) \
MCFG_DEVICE_REPLACE(_tag, BSMT2000, _clock)
#define MCFG_BSMT2000_READY_CALLBACK(_class, _method) \
downcast<bsmt2000_device &>(*device).set_ready_callback(bsmt2000_device::ready_callback(&_class::_method, #_class "::" #_method, nullptr, (_class *)nullptr));
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bsmt2000_device
class bsmt2000_device : public device_t,
public device_sound_interface,
public device_rom_interface
{
public:
typedef device_delegate<void ()> ready_callback;
// construction/destruction
bsmt2000_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// inline configuration helpers
template <typename Object> void set_ready_callback(Object &&cb) { m_ready_callback = std::forward<Object>(cb); }
// public interface
uint16_t read_status();
void write_reg(uint16_t data);
void write_data(uint16_t data);
void tms_io_map(address_map &map);
void tms_program_map(address_map &map);
protected:
// device-level overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
// device_rom_interface overrides
virtual void rom_bank_updated() override;
public:
// internal TMS I/O callbacks
DECLARE_READ16_MEMBER( tms_register_r );
DECLARE_READ16_MEMBER( tms_data_r );
DECLARE_READ16_MEMBER( tms_rom_r );
DECLARE_WRITE16_MEMBER( tms_rom_addr_w );
DECLARE_WRITE16_MEMBER( tms_rom_bank_w );
DECLARE_WRITE16_MEMBER( tms_left_w );
DECLARE_WRITE16_MEMBER( tms_right_w );
private:
// timers
enum
{
TIMER_ID_RESET,
TIMER_ID_REG_WRITE,
TIMER_ID_DATA_WRITE
};
// configuration state
ready_callback m_ready_callback;
// internal state
sound_stream * m_stream;
required_device<tms32015_device> m_cpu;
uint16_t m_register_select;
uint16_t m_write_data;
uint16_t m_rom_address;
uint16_t m_rom_bank;
int16_t m_left_data;
int16_t m_right_data;
bool m_write_pending;
DECLARE_READ_LINE_MEMBER( tms_write_pending_r );
};
// device type definition
DECLARE_DEVICE_TYPE(BSMT2000, bsmt2000_device)
#endif // MAME_SOUND_BSMT2000_H
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