static void handle_load(running_machine *machine)
{
mame_private *mame = machine->mame_data;
mame_file_error filerr;
mame_file *file;
/* if no name, bail */
if (mame->saveload_pending_file == NULL)
{
mame->saveload_schedule_callback = NULL;
return;
}
/* if there are anonymous timers, we can't load just yet because the timers might */
/* overwrite data we have loaded */
if (timer_count_anonymous() > 0)
{
/* if more than a second has passed, we're probably screwed */
if (sub_mame_times(mame_timer_get_time(), mame->saveload_schedule_time).seconds > 0)
{
popmessage("Unable to load due to pending anonymous timers. See error.log for details.");
goto cancel;
}
return;
}
/* open the file */
filerr = mame_fopen(SEARCHPATH_STATE, mame->saveload_pending_file, OPEN_FLAG_READ, &file);
if (filerr == FILERR_NONE)
{
/* start loading */
if (state_save_load_begin(file) == 0)
{
int cpunum;
/* read tag 0 */
state_save_push_tag(0);
state_save_load_continue();
state_save_pop_tag();
/* loop over CPUs */
for (cpunum = 0; cpunum < cpu_gettotalcpu(); cpunum++)
{
cpuintrf_push_context(cpunum);
/* make sure banking is set */
activecpu_reset_banking();
/* load the CPU data */
state_save_push_tag(cpunum + 1);
state_save_load_continue();
state_save_pop_tag();
/* make sure banking is set */
activecpu_reset_banking();
cpuintrf_pop_context();
}
/* finish and close */
state_save_load_finish();
popmessage("State successfully loaded.");
}
else
popmessage("Error: Failed to load state");
mame_fclose(file);
}
else
popmessage("Error: Failed to load state");
cancel:
/* unschedule the load */
free(mame->saveload_pending_file);
mame->saveload_pending_file = NULL;
mame->saveload_schedule_callback = NULL;
}
void running_machine::handle_saveload()
{
UINT32 openflags = (m_saveload_schedule == SLS_LOAD) ? OPEN_FLAG_READ : (OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
const char *opnamed = (m_saveload_schedule == SLS_LOAD) ? "loaded" : "saved";
const char *opname = (m_saveload_schedule == SLS_LOAD) ? "load" : "save";
file_error filerr = FILERR_NONE;
/* if no name, bail */
if (m_saveload_pending_file.len() == 0)
goto cancel;
/* if there are anonymous timers, we can't save just yet, and we can't load yet either
because the timers might overwrite data we have loaded */
if (timer_count_anonymous(this) > 0)
{
/* if more than a second has passed, we're probably screwed */
if (attotime_sub(timer_get_time(this), m_saveload_schedule_time).seconds > 0)
{
popmessage("Unable to %s due to pending anonymous timers. See error.log for details.", opname);
goto cancel;
}
return;
}
/* open the file */
mame_file *file;
filerr = mame_fopen(m_saveload_searchpath, m_saveload_pending_file, openflags, &file);
if (filerr == FILERR_NONE)
{
astring fullname(mame_file_full_name(file));
/* read/write the save state */
state_save_error staterr = (m_saveload_schedule == SLS_LOAD) ? state_save_read_file(this, file) : state_save_write_file(this, file);
/* handle the result */
switch (staterr)
{
case STATERR_ILLEGAL_REGISTRATIONS:
popmessage("Error: Unable to %s state due to illegal registrations. See error.log for details.", opname);
break;
case STATERR_INVALID_HEADER:
popmessage("Error: Unable to %s state due to an invalid header. Make sure the save state is correct for this game.", opname);
break;
case STATERR_READ_ERROR:
popmessage("Error: Unable to %s state due to a read error (file is likely corrupt).", opname);
break;
case STATERR_WRITE_ERROR:
popmessage("Error: Unable to %s state due to a write error. Verify there is enough disk space.", opname);
break;
case STATERR_NONE:
if (!(m_game.flags & GAME_SUPPORTS_SAVE))
popmessage("State successfully %s.\nWarning: Save states are not officially supported for this game.", opnamed);
else
popmessage("State successfully %s.", opnamed);
break;
default:
popmessage("Error: Unknown error during state %s.", opnamed);
break;
}
/* close and perhaps delete the file */
mame_fclose(file);
if (staterr != STATERR_NONE && m_saveload_schedule == SLS_SAVE)
osd_rmfile(fullname);
}
else
popmessage("Error: Failed to open file for %s operation.", opname);
/* unschedule the operation */
cancel:
m_saveload_pending_file.reset();
m_saveload_searchpath = NULL;
m_saveload_schedule = SLS_NONE;
}
static void handle_save(running_machine *machine)
{
mame_private *mame = machine->mame_data;
mame_file_error filerr;
mame_file *file;
/* if no name, bail */
if (mame->saveload_pending_file == NULL)
{
mame->saveload_schedule_callback = NULL;
return;
}
/* if there are anonymous timers, we can't save just yet */
if (timer_count_anonymous() > 0)
{
/* if more than a second has passed, we're probably screwed */
if (sub_mame_times(mame_timer_get_time(), mame->saveload_schedule_time).seconds > 0)
{
popmessage("Unable to save due to pending anonymous timers. See error.log for details.");
goto cancel;
}
return;
}
/* open the file */
filerr = mame_fopen(SEARCHPATH_STATE, mame->saveload_pending_file, OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS, &file);
if (filerr == FILERR_NONE)
{
int cpunum;
/* write the save state */
if (state_save_save_begin(file) != 0)
{
popmessage("Error: Unable to save state due to illegal registrations. See error.log for details.");
mame_fclose(file);
goto cancel;
}
/* write the default tag */
state_save_push_tag(0);
state_save_save_continue();
state_save_pop_tag();
/* loop over CPUs */
for (cpunum = 0; cpunum < cpu_gettotalcpu(); cpunum++)
{
cpuintrf_push_context(cpunum);
/* make sure banking is set */
activecpu_reset_banking();
/* save the CPU data */
state_save_push_tag(cpunum + 1);
state_save_save_continue();
state_save_pop_tag();
cpuintrf_pop_context();
}
/* finish and close */
state_save_save_finish();
mame_fclose(file);
/* pop a warning if the game doesn't support saves */
if (!(machine->gamedrv->flags & GAME_SUPPORTS_SAVE))
popmessage("State successfully saved.\nWarning: Save states are not officially supported for this game.");
else
popmessage("State successfully saved.");
}
else
popmessage("Error: Failed to save state");
cancel:
/* unschedule the save */
free(mame->saveload_pending_file);
mame->saveload_pending_file = NULL;
mame->saveload_schedule_callback = NULL;
}