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pc9801_86: try again (nw)

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This commit is contained in:
cracyc 2018-05-08 13:02:07 -05:00
parent 9565f2624b
commit 03fcfe9622
1 changed files with 2 additions and 2 deletions
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4
src/devices/bus/cbus/pc9801_86.cpp
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@ -274,8 +274,8 @@ WRITE8_MEMBER(pc9801_86_device::pcm_w)
if(!(data & 0x10))
{
machine().device<pic8259_device>(":pic8259_slave")->ir4_w(m_fmirq ? ASSERT_LINE : CLEAR_LINE);
if(!(queue_count() < m_irq_rate))
m_pcmirq = false;
if(!(queue_count() < m_irq_rate) || !(data & 0x80))
m_pcmirq = false; //TODO: this needs research
}
m_init = true;
m_pcm_ctrl = data & ~0x10;