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+/***************************************************************************
+
+ bsmt2000.h
+
+ BSMT2000 device emulator.
+
+****************************************************************************
+
+ Copyright Aaron Giles
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name 'MAME' nor the names of its contributors may be
+ used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+
+#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
+//**************************************************************************
+
+class bsmt2000_device;
+
+
+// ======================> 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
+ const rom_entry *device_rom_region() const;
+ 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__ */