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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
bsmt2000.h
BSMT2000 device emulator.
***************************************************************************/
#pragma once
#ifndef __BSMT2000_H__
#define __BSMT2000_H__
#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(_callback) \
bsmt2000_device::static_set_ready_callback(*device, _callback);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bsmt2000_device
class bsmt2000_device : public device_t,
public device_sound_interface,
public device_memory_interface
{
typedef void (*ready_callback)(bsmt2000_device &device);
public:
// construction/destruction
bsmt2000_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// inline configuration helpers
static void static_set_ready_callback(device_t &device, ready_callback callback);
// public interface
UINT16 read_status();
void write_reg(UINT16 data);
void write_data(UINT16 data);
protected:
// device-level overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
virtual void device_start();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
// device_memory_interface overrides
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
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 );
DECLARE_READ16_MEMBER( tms_write_pending_r );
private:
// timers
enum
{
TIMER_ID_RESET,
TIMER_ID_REG_WRITE,
TIMER_ID_DATA_WRITE
};
// configuration state
const address_space_config m_space_config;
ready_callback m_ready_callback;
// internal state
sound_stream * m_stream;
direct_read_data * m_direct;
tms32015_device * m_cpu;
UINT16 m_register_select;
UINT16 m_write_data;
UINT16 m_rom_address;
UINT16 m_rom_bank;
INT16 m_left_data;
INT16 m_right_data;
bool m_write_pending;
};
// device type definition
extern const device_type BSMT2000;
#endif /* __BSMT2000_H__ */
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