273 lines
7.4 KiB
C++
273 lines
7.4 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2003 David N. Welton <davidw@dedasys.com>.
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// Copyright (C) 2003-2014 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#define BX_PLUGGABLE
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#include "iodev.h"
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#include "speaker.h"
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#if BX_SUPPORT_SOUNDLOW
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#include "sound/soundmod.h"
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#endif
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#ifdef __linux__
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#include <unistd.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <linux/kd.h>
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#endif
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#define LOG_THIS theSpeaker->
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bx_speaker_c *theSpeaker= NULL;
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#define BX_SPK_MODE_NONE 0
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#define BX_SPK_MODE_SOUND 1
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#define BX_SPK_MODE_SYSTEM 2
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#define BX_SPK_MODE_GUI 3
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// builtin configuration handling functions
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void speaker_init_options(void)
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{
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static const char *speaker_mode_list[] = {
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#if BX_SUPPORT_SOUNDLOW
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"sound",
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#endif
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#if defined(__linux__) || defined(WIN32)
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"system",
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#endif
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"gui",
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NULL
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};
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bx_list_c *sound = (bx_list_c*)SIM->get_param("sound");
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bx_list_c *menu = new bx_list_c(sound, "speaker", "PC speaker output configuration");
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menu->set_options(menu->SERIES_ASK);
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bx_param_bool_c *enabled = new bx_param_bool_c(menu, "enabled", "Enable speaker output",
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"Enables the PC speaker output", 1);
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bx_param_enum_c *mode = new bx_param_enum_c(menu, "mode", "Speaker output mode",
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"The mode can be one these: 'sound', 'system' or 'gui'",
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speaker_mode_list, 0, 0);
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mode->set_ask_format("Select speker output mode [%s] ");
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bx_list_c *deplist = new bx_list_c(NULL);
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deplist->add(mode);
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enabled->set_dependent_list(deplist);
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}
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Bit32s speaker_options_parser(const char *context, int num_params, char *params[])
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{
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if (!strcmp(params[0], "speaker")) {
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bx_list_c *base = (bx_list_c*) SIM->get_param(BXPN_SOUND_SPEAKER);
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for (int i=1; i<num_params; i++) {
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if (SIM->parse_param_from_list(context, params[i], base) < 0) {
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BX_ERROR(("%s: unknown parameter for speaker ignored.", context));
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}
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}
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} else {
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BX_PANIC(("%s: unknown directive '%s'", context, params[0]));
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}
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return 0;
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}
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Bit32s speaker_options_save(FILE *fp)
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{
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return SIM->write_param_list(fp, (bx_list_c*) SIM->get_param(BXPN_SOUND_SPEAKER), NULL, 0);
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}
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// device plugin entry points
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int CDECL libspeaker_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
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{
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theSpeaker = new bx_speaker_c();
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bx_devices.pluginSpeaker = theSpeaker;
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BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theSpeaker, BX_PLUGIN_SPEAKER);
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// add new configuration parameters for the config interface
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speaker_init_options();
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// register add-on options for bochsrc and command line
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SIM->register_addon_option("speaker", speaker_options_parser, speaker_options_save);
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return(0); // Success
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}
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void CDECL libspeaker_LTX_plugin_fini(void)
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{
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bx_devices.pluginSpeaker = &bx_devices.stubSpeaker;
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delete theSpeaker;
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SIM->unregister_addon_option("speaker");
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((bx_list_c*)SIM->get_param("sound"))->remove("speaker");
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}
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// the device object
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bx_speaker_c::bx_speaker_c()
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{
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put("speaker", "PCSPK");
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beep_frequency = 0.0; // Off
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#ifdef __linux__
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consolefd = -1;
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#endif
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}
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bx_speaker_c::~bx_speaker_c()
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{
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beep_off();
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#ifdef __linux__
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if (consolefd >= 0) {
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close(consolefd);
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}
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#endif
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BX_DEBUG(("Exit"));
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}
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void bx_speaker_c::init(void)
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{
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// Read in values from config interface
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bx_list_c *base = (bx_list_c*) SIM->get_param(BXPN_SOUND_SPEAKER);
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// Check if the device is disabled or not configured
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if (!SIM->get_param_bool("enabled", base)->get()) {
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BX_INFO(("PC speaker output disabled"));
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// mark unused plugin for removal
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((bx_param_bool_c*)((bx_list_c*)SIM->get_param(BXPN_PLUGIN_CTRL))->get_by_name("sb16"))->set(0);
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return;
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}
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const char *mode = SIM->get_param_enum("mode", base)->get_selected();
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if (!strcmp(mode, "sound")) {
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output_mode = BX_SPK_MODE_SOUND;
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outputinit = 0;
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#if BX_SUPPORT_SOUNDLOW
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if (DEV_soundmod_beep_off()) {
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BX_INFO(("Using lowlevel sound support for output"));
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outputinit = 1;
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} else {
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BX_ERROR(("Failed to use lowlevel sound support for output"));
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}
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#endif
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} else if (!strcmp(mode, "system")) {
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output_mode = BX_SPK_MODE_SYSTEM;
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#ifdef __linux__
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consolefd = open("/dev/console", O_WRONLY);
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if (consolefd != -1) {
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BX_INFO(("Using /dev/console for output"));
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} else {
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BX_ERROR(("Failed to open /dev/console: %s", strerror(errno)));
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BX_ERROR(("Deactivating beep on console"));
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}
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#elif defined(WIN32)
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BX_INFO(("Using system beep for output"));
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#endif
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} else if (!strcmp(mode, "gui")) {
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output_mode = BX_SPK_MODE_GUI;
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BX_INFO(("Forwarding beep to gui"));
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} else {
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output_mode = BX_SPK_MODE_NONE;
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}
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}
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void bx_speaker_c::reset(unsigned type)
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{
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beep_off();
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}
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void bx_speaker_c::beep_on(float frequency)
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{
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#if defined(WIN32)
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if ((output_mode == BX_SPK_MODE_SYSTEM) && (beep_frequency != 0.0)) {
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beep_off();
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}
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#endif
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beep_frequency = frequency;
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if (output_mode == BX_SPK_MODE_SOUND) {
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#if BX_SUPPORT_SOUNDLOW
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if (outputinit) {
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DEV_soundmod_beep_on(frequency);
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}
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#endif
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} else if (output_mode == BX_SPK_MODE_SYSTEM) {
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#ifdef __linux__
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if (consolefd != -1) {
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BX_DEBUG(("PC speaker on with frequency %f", frequency));
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ioctl(consolefd, KIOCSOUND, (int)(clock_tick_rate/frequency));
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}
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#elif defined(WIN32)
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usec_start = bx_pc_system.time_usec();
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#endif
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} else if (output_mode == BX_SPK_MODE_GUI) {
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// give the gui a chance to signal beep on
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bx_gui->beep_on(frequency);
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}
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}
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#if defined(WIN32)
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static struct {
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DWORD frequency;
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DWORD msec;
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} beep_info;
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DWORD WINAPI BeepThread(LPVOID)
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{
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static BOOL threadActive = FALSE;
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while (threadActive) Sleep(10);
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threadActive = TRUE;
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Beep(beep_info.frequency, beep_info.msec);
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threadActive = FALSE;
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return 0;
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}
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#endif
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void bx_speaker_c::beep_off()
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{
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if (output_mode == BX_SPK_MODE_SOUND) {
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#if BX_SUPPORT_SOUNDLOW
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if (outputinit) {
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DEV_soundmod_beep_off();
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}
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#endif
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} else if (output_mode == BX_SPK_MODE_SYSTEM) {
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if (beep_frequency != 0.0) {
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#ifdef __linux__
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if (consolefd != -1) {
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ioctl(consolefd, KIOCSOUND, 0);
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}
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#elif defined(WIN32)
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// FIXME: sound should start at beep_on() and end here
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DWORD threadID;
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beep_info.msec = (DWORD)((bx_pc_system.time_usec() - usec_start) / 1000);
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beep_info.frequency = (DWORD)beep_frequency;
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CloseHandle(CreateThread(NULL, 0, BeepThread, NULL, 0, &threadID));
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#endif
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}
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} else if (output_mode == BX_SPK_MODE_GUI) {
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// give the gui a chance to signal beep off
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bx_gui->beep_off();
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}
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beep_frequency = 0.0;
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}
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