Enable NULL callbacks in timer devices.

This commit is contained in:
Aaron Giles 2010-06-08 23:53:48 +00:00
parent ad12251785
commit 291cc0a473

View File

@ -1127,7 +1127,8 @@ void timer_device::device_reset()
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);
}