void running_machine::retro_loop()
{
while (RLOOP==1)
{
/* execute CPUs if not paused */
if (!m_paused)
m_scheduler.timeslice();
/* otherwise, just pump video updates through */
else
video_frame_update(this, false);
/* handle save/load */
if (m_saveload_schedule != SLS_NONE)
handle_saveload();
}
}
void debugger_refresh_display(running_machine *machine)
{
video_frame_update(machine, TRUE);
}
int running_machine::run(bool firstrun)
{
int error = MAMERR_NONE;
// use try/catch for deep error recovery
try
{
// move to the init phase
m_current_phase = MACHINE_PHASE_INIT;
// if we have a logfile, set up the callback
if (options_get_bool(&m_options, OPTION_LOG))
{
file_error filerr = mame_fopen(SEARCHPATH_DEBUGLOG, "error.log", OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS, &m_logfile);
assert_always(filerr == FILERR_NONE, "unable to open log file");
add_logerror_callback(logfile_callback);
}
// then finish setting up our local machine
start();
// load the configuration settings and NVRAM
bool settingsloaded = config_load_settings(this);
nvram_load(this);
sound_mute(this, FALSE);
// display the startup screens
ui_display_startup_screens(this, firstrun, !settingsloaded);
// perform a soft reset -- this takes us to the running phase
soft_reset();
// run the CPUs until a reset or exit
m_hard_reset_pending = false;
while ((!m_hard_reset_pending && !m_exit_pending) || m_saveload_schedule != SLS_NONE)
{
profiler_mark_start(PROFILER_EXTRA);
// execute CPUs if not paused
if (!m_paused)
m_scheduler.timeslice();
// otherwise, just pump video updates through
else
video_frame_update(this, false);
// handle save/load
if (m_saveload_schedule != SLS_NONE)
handle_saveload();
profiler_mark_end();
}
// and out via the exit phase
m_current_phase = MACHINE_PHASE_EXIT;
// save the NVRAM and configuration
sound_mute(this, true);
nvram_save(this);
config_save_settings(this);
}
catch (emu_fatalerror &fatal)
{
mame_printf_error("%s\n", fatal.string());
error = MAMERR_FATALERROR;
if (fatal.exitcode() != 0)
error = fatal.exitcode();
}
catch (emu_exception &)
{
mame_printf_error("Caught unhandled emulator exception\n");
error = MAMERR_FATALERROR;
}
catch (std::bad_alloc &)
{
mame_printf_error("Out of memory!\n");
error = MAMERR_FATALERROR;
}
// call all exit callbacks registered
call_notifiers(MACHINE_NOTIFY_EXIT);
// close the logfile
if (m_logfile != NULL)
mame_fclose(m_logfile);
return error;
}
int run_game(int game)
{
running_machine *machine;
int error = MAMERR_NONE;
mame_private *mame;
callback_item *cb;
/* create the machine structure and driver */
machine = create_machine(game);
mame = machine->mame_data;
/* looooong term: remove this */
Machine = machine;
/* start in the "pre-init phase" */
mame->current_phase = MAME_PHASE_PREINIT;
/* perform validity checks before anything else */
if (mame_validitychecks(game) != 0)
return MAMERR_FAILED_VALIDITY;
/* loop across multiple hard resets */
mame->exit_pending = FALSE;
while (error == 0 && !mame->exit_pending)
{
init_resource_tracking();
add_free_resources_callback(timer_free);
add_free_resources_callback(state_save_free);
/* use setjmp/longjmp for deep error recovery */
mame->fatal_error_jmpbuf_valid = TRUE;
error = setjmp(mame->fatal_error_jmpbuf);
if (error == 0)
{
int settingsloaded;
/* move to the init phase */
mame->current_phase = MAME_PHASE_INIT;
/* start tracking resources for real */
begin_resource_tracking();
/* if we have a logfile, set up the callback */
mame->logerror_callback_list = NULL;
if (options.logfile)
add_logerror_callback(machine, logfile_callback);
/* then finish setting up our local machine */
init_machine(machine);
/* load the configuration settings and NVRAM */
settingsloaded = config_load_settings();
nvram_load();
/* display the startup screens */
ui_display_startup_screens(!settingsloaded && !options.skip_disclaimer, !options.skip_warnings, !options.skip_gameinfo);
/* ensure we don't show the opening screens on a reset */
options.skip_disclaimer = options.skip_warnings = options.skip_gameinfo = TRUE;
/* start resource tracking; note that soft_reset assumes it can */
/* call end_resource_tracking followed by begin_resource_tracking */
/* to clear out resources allocated between resets */
begin_resource_tracking();
/* perform a soft reset -- this takes us to the running phase */
soft_reset(0);
/* run the CPUs until a reset or exit */
mame->hard_reset_pending = FALSE;
while ((!mame->hard_reset_pending && !mame->exit_pending) || mame->saveload_pending_file != NULL)
{
profiler_mark(PROFILER_EXTRA);
/* execute CPUs if not paused */
if (!mame->paused)
cpuexec_timeslice();
/* otherwise, just pump video updates through */
else
video_frame_update();
/* handle save/load */
if (mame->saveload_schedule_callback)
(*mame->saveload_schedule_callback)(machine);
profiler_mark(PROFILER_END);
}
/* and out via the exit phase */
mame->current_phase = MAME_PHASE_EXIT;
/* stop tracking resources at this level */
end_resource_tracking();
/* save the NVRAM and configuration */
nvram_save();
config_save_settings();
}
mame->fatal_error_jmpbuf_valid = FALSE;
/* call all exit callbacks registered */
for (cb = mame->exit_callback_list; cb; cb = cb->next)
(*cb->func.exit)(machine);
/* close all inner resource tracking */
exit_resource_tracking();
/* free our callback lists */
free_callback_list(&mame->exit_callback_list);
free_callback_list(&mame->reset_callback_list);
free_callback_list(&mame->pause_callback_list);
}
/* destroy the machine */
destroy_machine(machine);
/* return an error */
return error;
}
