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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"
#include "dirom.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bsmt2000_device
class bsmt2000_device : public device_t,
public device_sound_interface,
public device_rom_interface<32>
{
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... T> void set_ready_callback(T &&... args) { m_ready_callback.set(std::forward<T>(args)...); }
// 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;
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
// device_rom_interface overrides
virtual void rom_bank_updated() override;
TIMER_CALLBACK_MEMBER(deferred_reset);
TIMER_CALLBACK_MEMBER(deferred_reg_write);
TIMER_CALLBACK_MEMBER(deferred_data_write);
public:
// internal TMS I/O callbacks
uint16_t tms_register_r();
uint16_t tms_data_r();
uint16_t tms_rom_r();
void tms_rom_addr_w(uint16_t data);
void tms_rom_bank_w(uint16_t data);
void tms_left_w(uint16_t data);
void tms_right_w(uint16_t data);
private:
// 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;
emu_timer * m_deferred_reset;
emu_timer * m_deferred_reg_write;
emu_timer * m_deferred_data_write;
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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