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bus/mtx/cfx: Do nothing when both READ/WRITE are asserted.

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This commit is contained in:
Nigel Barnes 2022-05-20 22:25:23 +01:00
parent 988a9b974a
commit f3328f2255
1 changed files with 14 additions and 4 deletions
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18
src/devices/bus/mtx/cfx.cpp
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@ -126,17 +126,27 @@ void mtx_cfx_device::portc_w(uint8_t data)
switch (BIT(data, 3, 2))
{
case 0x01: // CS0
if (BIT(data, 5)) // WRITE
switch (BIT(data, 5, 2))
{
case 0x01: // WRITE
m_ide->cs0_w(data & 0x07, m_ide_data);
if (BIT(data, 6)) // READ
break;
case 0x02: // READ
m_ide_data = m_ide->cs0_r(data & 0x07);
break;
}
break;
case 0x02: // CS1
if (BIT(data, 5)) // WRITE
switch (BIT(data, 5, 2))
{
case 0x01: // WRITE
m_ide->cs1_w(data & 0x07, m_ide_data);
if (BIT(data, 6)) // READ
break;
case 0x02: // READ
m_ide_data = m_ide->cs1_r(data & 0x07);
break;
}
break;
}
}