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am9517a: simplify software request handling

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This commit is contained in:
Patrick Mackinlay 2020-12-30 12:20:08 +07:00
parent 5976fc789c
commit 6b076025fc
1 changed files with 2 additions and 6 deletions
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8
src/devices/machine/am9517a.cpp
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@ -853,15 +853,11 @@ void am9517a_device::write(offs_t offset, uint8_t data)
if (BIT(data, 2))
{
m_request |= (1 << (channel + 4));
if (COMMAND_MEM_TO_MEM)
{
m_request |= (1 << channel);
}
m_request |= (1 << channel);
}
else
{
m_request &= ~(1 << (channel + 4));
m_request &= ~(1 << channel);
}
LOG("AM9517A Request Register: %01x\n", m_request);