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little fix (nw)

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This commit is contained in:
MetalliC 2020-05-31 10:54:36 +03:00
parent eda94384f6
commit 2d76d84441
1 changed files with 3 additions and 3 deletions
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6
src/devices/bus/spectrum/beta.cpp
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@ -344,13 +344,13 @@ uint8_t spectrum_betav2_device::iorq_r(offs_t offset)
if (!m_masterportdisable)
{
switch (offset & 0xe7)
switch (offset & 0x87)
{
case 0x07: case 0x27: case 0x47: case 0x67:
case 0x07:
data = m_fdc->read((offset >> 5) & 0x03);
break;
case 0x87: case 0xa7 : case 0xc7 : case 0xe7 :
case 0x87:
data &= 0x3f; // actually open bus
data |= m_fdc->drq_r() ? 0x40 : 0;
data |= m_fdc->intrq_r() ? 0x80 : 0;