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pit8253: prevent elapsed_cycles from going negative

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cracyc 2022-02-10 16:12:01 -06:00
parent 36d87db751
commit 02cd26d37e
1 changed files with 1 additions and 1 deletions
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src/devices/machine/pit8253.cpp
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@ -507,7 +507,7 @@ void pit_counter_device::simulate(int64_t elapsed_cycles)
}
}
if (elapsed_cycles > 0 && m_phase == 3)
if (elapsed_cycles >= adjusted_value && m_phase == 3)
{
/* Reload counter, output goes high */
elapsed_cycles -= adjusted_value;