/*************************************************************************** devlegcy.c Legacy device helpers. **************************************************************************** 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. ***************************************************************************/ #include "emu.h" #include "devlegcy.h" //************************************************************************** // LEGACY DEVICE CONFIGURATION //************************************************************************** //------------------------------------------------- // legacy_device_base - constructor //------------------------------------------------- legacy_device_base::legacy_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, UINT32 clock, device_get_config_func get_config) : device_t(mconfig, type, "Legacy Device", tag, owner, clock), m_get_config_func(get_config), m_token(NULL) { // set the proper name m_name = get_legacy_string(DEVINFO_STR_NAME); m_shortname = get_legacy_string(DEVINFO_STR_SHORTNAME); m_searchpath = m_shortname; // create the token int tokenbytes = get_legacy_int(DEVINFO_INT_TOKEN_BYTES); if (tokenbytes != 0) m_token = global_alloc_array_clear(UINT8, tokenbytes); } //------------------------------------------------- // ~legacy_device_base - destructor //------------------------------------------------- legacy_device_base::~legacy_device_base() { global_free(m_token); } //------------------------------------------------- // get_legacy_int - return a legacy // configuration parameter as an integer //------------------------------------------------- INT64 legacy_device_base::get_legacy_int(UINT32 state) const { deviceinfo info = { 0 }; (*m_get_config_func)(this, state, &info); return info.i; } //------------------------------------------------- // get_legacy_ptr - return a legacy // configuration parameter as a pointer //------------------------------------------------- void *legacy_device_base::get_legacy_ptr(UINT32 state) const { deviceinfo info = { 0 }; (*m_get_config_func)(this, state, &info); return info.p; } //------------------------------------------------- // get_legacy_fct - return a legacy // configuration parameter as a function pointer //------------------------------------------------- genf *legacy_device_base::get_legacy_fct(UINT32 state) const { deviceinfo info = { 0 }; (*m_get_config_func)(this, state, &info); return info.f; } //------------------------------------------------- // get_legacy_string - return a legacy // configuration parameter as a string pointer //------------------------------------------------- const char *legacy_device_base::get_legacy_string(UINT32 state) const { deviceinfo info; info.s = get_temp_string_buffer(); (*m_get_config_func)(this, state, &info); return info.s; } //------------------------------------------------- // device_start - called to start up a device //------------------------------------------------- void legacy_device_base::device_start() { device_start_func start_func = reinterpret_cast(get_legacy_fct(DEVINFO_FCT_START)); assert(start_func != NULL); (*start_func)(this); } //------------------------------------------------- // device_reset - called to reset a device //------------------------------------------------- void legacy_device_base::device_reset() { device_reset_func reset_func = reinterpret_cast(get_legacy_fct(DEVINFO_FCT_RESET)); if (reset_func != NULL) (*reset_func)(this); } //------------------------------------------------- // device_stop - called to stop a device //------------------------------------------------- void legacy_device_base::device_stop() { if (started()) { device_stop_func stop_func = reinterpret_cast(get_legacy_fct(DEVINFO_FCT_STOP)); if (stop_func != NULL) (*stop_func)(this); } } //************************************************************************** // LEGACY SOUND DEVICE //************************************************************************** //------------------------------------------------- // legacy_sound_device_base - constructor //------------------------------------------------- legacy_sound_device_base::legacy_sound_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, UINT32 clock, device_get_config_func get_config) : legacy_device_base(mconfig, type, tag, owner, clock, get_config), device_sound_interface(mconfig, *this) { } //------------------------------------------------- // sound_stream_update - handle a stream update //------------------------------------------------- void legacy_sound_device_base::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) { // should never get here fatalerror("legacy_sound_device_base::sound_stream_update called; not applicable to legacy sound devices\n"); }