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fix divide by zero if the clock is changed to 0 at run time (we already cope with it being 0 at startup). (nw)

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smf- 2014-02-28 11:43:31 +00:00
parent e29d1ab12c
commit 607a7d98c4
1 changed files with 2 additions and 2 deletions
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4
src/emu/device.c
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@ -275,7 +275,7 @@ void device_t::set_unscaled_clock(UINT32 clock)
{
m_unscaled_clock = clock;
m_clock = m_unscaled_clock * m_clock_scale;
m_attoseconds_per_clock = HZ_TO_ATTOSECONDS(m_clock);
m_attoseconds_per_clock = (m_clock == 0) ? 0 : HZ_TO_ATTOSECONDS(m_clock);
notify_clock_changed();
}
@ -289,7 +289,7 @@ void device_t::set_clock_scale(double clockscale)
{
m_clock_scale = clockscale;
m_clock = m_unscaled_clock * m_clock_scale;
m_attoseconds_per_clock = HZ_TO_ATTOSECONDS(m_clock);
m_attoseconds_per_clock = (m_clock == 0) ? 0 : HZ_TO_ATTOSECONDS(m_clock);
notify_clock_changed();
}