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m37710: Fix alpinerd regression (port writes are blocked when direction register = 0, not FF) (nw)

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This commit is contained in:
AJR 2019-07-10 18:13:02 -04:00
parent f94e998614
commit 7804df9821
1 changed files with 1 additions and 1 deletions
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2
src/devices/cpu/m37710/m37710.cpp
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@ -509,7 +509,7 @@ void m37710_cpu_device::port_w(offs_t offset, uint8_t data)
else
{
uint8_t d = m_port_dir[p];
if (d != 0xff)
if (d != 0)
m_port_out_cb[p](0, data & d, d);
m_port_regs[p] = data;
}