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Enable NULL callbacks in timer devices.

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This commit is contained in:
Aaron Giles 2010-06-08 23:53:48 +00:00
parent ad12251785
commit 291cc0a473
1 changed files with 2 additions and 1 deletions
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3
src/emu/timer.c
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@ -1127,7 +1127,8 @@ void timer_device::device_reset()
void timer_device::periodic_timer_callback(int param) void timer_device::periodic_timer_callback(int param)
{ {
(*m_config.m_callback)(*this, m_ptr, param); if (m_config.m_callback != NULL)
(*m_config.m_callback)(*this, m_ptr, param);
} }