// 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 override; virtual machine_config_constructor device_mconfig_additions() const 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_memory_interface overrides virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const override; // device_sound_interface overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) 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 ); 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__ */