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Minor optimizations to schedule.c (nw)

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This commit is contained in:
Nathan Woods 2012-12-16 21:46:45 +00:00
parent 030c7ac2e0
commit 9a1c29364b
1 changed files with 6 additions and 6 deletions
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12
src/emu/schedule.c
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@ -301,7 +301,7 @@ void emu_timer::register_save()
// period // period
//------------------------------------------------- //-------------------------------------------------
void emu_timer::schedule_next_period() inline void emu_timer::schedule_next_period()
{ {
// advance by one period // advance by one period
m_start = m_expire; m_start = m_expire;
@ -400,7 +400,7 @@ bool device_scheduler::can_save() const
{ {
// if any live temporary timers exit, fail // if any live temporary timers exit, fail
for (emu_timer *timer = m_timer_list; timer != NULL; timer = timer->next()) for (emu_timer *timer = m_timer_list; timer != NULL; timer = timer->next())
if (timer->m_temporary && timer->expire() != attotime::never) if (timer->m_temporary && timer->expire().is_never())
{ {
logerror("Failed save state attempt due to anonymous timers:\n"); logerror("Failed save state attempt due to anonymous timers:\n");
dump_timers(); dump_timers();
@ -679,7 +679,7 @@ void device_scheduler::postload()
emu_timer &timer = *m_timer_list; emu_timer &timer = *m_timer_list;
// temporary timers go away entirely (except our special never-expiring one) // temporary timers go away entirely (except our special never-expiring one)
if (timer.m_temporary && timer.expire() != attotime::never) if (timer.m_temporary && timer.expire().is_never())
m_timer_allocator.reclaim(timer.release()); m_timer_allocator.reclaim(timer.release());
// permanent ones get added to our private list // permanent ones get added to our private list
@ -756,7 +756,7 @@ void device_scheduler::rebuild_execute_list()
attotime min_quantum = machine().config().m_minimum_quantum; attotime min_quantum = machine().config().m_minimum_quantum;
// if none specified default to 60Hz // if none specified default to 60Hz
if (min_quantum == attotime::zero) if (min_quantum.is_zero())
min_quantum = attotime::from_hz(60); min_quantum = attotime::from_hz(60);
// if the configuration specifies a device to make perfect, pick that as the minimum // if the configuration specifies a device to make perfect, pick that as the minimum
@ -879,7 +879,7 @@ emu_timer &device_scheduler::timer_list_remove(emu_timer &timer)
// scheduling quanta // scheduling quanta
//------------------------------------------------- //-------------------------------------------------
void device_scheduler::execute_timers() inline void device_scheduler::execute_timers()
{ {
// if the current quantum has expired, find a new one // if the current quantum has expired, find a new one
while (m_basetime >= m_quantum_list.first()->m_expire) while (m_basetime >= m_quantum_list.first()->m_expire)
@ -893,7 +893,7 @@ void device_scheduler::execute_timers()
// if this is a one-shot timer, disable it now // if this is a one-shot timer, disable it now
emu_timer &timer = *m_timer_list; emu_timer &timer = *m_timer_list;
bool was_enabled = timer.m_enabled; bool was_enabled = timer.m_enabled;
if (timer.m_period == attotime::zero || timer.m_period == attotime::never) if (timer.m_period.is_zero() || timer.m_period.is_never())
timer.m_enabled = false; timer.m_enabled = false;
// set the global state of which callback we're in // set the global state of which callback we're in