From 03fcfe9622d8e8affed8f05acc0d05bb060c09f5 Mon Sep 17 00:00:00 2001 From: cracyc Date: Tue, 8 May 2018 13:02:07 -0500 Subject: [PATCH] pc9801_86: try again (nw) --- src/devices/bus/cbus/pc9801_86.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/devices/bus/cbus/pc9801_86.cpp b/src/devices/bus/cbus/pc9801_86.cpp index 70a1ad7961f..ca7d5f4c8a8 100644 --- a/src/devices/bus/cbus/pc9801_86.cpp +++ b/src/devices/bus/cbus/pc9801_86.cpp @@ -274,8 +274,8 @@ WRITE8_MEMBER(pc9801_86_device::pcm_w) if(!(data & 0x10)) { machine().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;