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Diffstat (limited to 'trunk/src/emu/sound/bsmt2000.h')
-rw-r--r-- | trunk/src/emu/sound/bsmt2000.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/trunk/src/emu/sound/bsmt2000.h b/trunk/src/emu/sound/bsmt2000.h new file mode 100644 index 00000000000..33228c3bec4 --- /dev/null +++ b/trunk/src/emu/sound/bsmt2000.h @@ -0,0 +1,146 @@ +/*************************************************************************** + + 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__ */ |