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Timers now execute at the end of each timeslice instead of at the start, as they did prior to 0.141u2. Fixes MT 4308 [Alex Jackson]

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This commit is contained in:
Alex W. Jackson 2014-02-22 03:40:54 +00:00
parent 32575c5f9a
commit d5d1d5d163
1 changed files with 7 additions and 8 deletions
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15
src/emu/schedule.c
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@ -421,8 +421,9 @@ void device_scheduler::timeslice()
if (m_execute_list == NULL)
rebuild_execute_list();
// execute timers
execute_timers();
// if the current quantum has expired, find a new one
while (m_basetime >= m_quantum_list.first()->m_expire)
m_quantum_allocator.reclaim(m_quantum_list.detach_head());
// loop until we hit the next timer
while (m_basetime < m_timer_list->m_expire)
@ -513,6 +514,9 @@ void device_scheduler::timeslice()
// update the base time
m_basetime = target;
}
// execute timers
execute_timers();
}
@ -867,16 +871,11 @@ emu_timer &device_scheduler::timer_list_remove(emu_timer &timer)
//-------------------------------------------------
// execute_timers - execute timers and update
// scheduling quanta
// execute_timers - execute timers that are due
//-------------------------------------------------
inline void device_scheduler::execute_timers()
{
// if the current quantum has expired, find a new one
while (m_basetime >= m_quantum_list.first()->m_expire)
m_quantum_allocator.reclaim(m_quantum_list.detach_head());
LOG(("execute_timers: new=%s head->expire=%s\n", m_basetime.as_string(), m_timer_list->m_expire.as_string()));
// now process any timers that are overdue