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er1400: More diagnostics (nw)

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This commit is contained in:
AJR 2017-12-31 15:52:12 -05:00
parent 97b2d597b4
commit 1c4bfd66ec
1 changed files with 15 additions and 0 deletions
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15
src/devices/machine/er1400.cpp
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@ -112,6 +112,7 @@ void er1400_device::nvram_write(emu_file &file)
void er1400_device::read_data()
{
int selected = 0;
m_data_register = 0;
for (int tens = 10; tens < 20; tens++)
{
@ -122,9 +123,13 @@ void er1400_device::read_data()
offs_t offset = 10 * (tens - 10) + units;
logerror("Reading data at %d (%04X) into register\n", offset, m_data_array[offset]);
m_data_register |= m_data_array[offset];
selected++;
}
}
}
if (selected != 1)
logerror("%d addresses selected for read operation\n", selected);
}
@ -135,6 +140,7 @@ void er1400_device::read_data()
void er1400_device::write_data()
{
int selected = 0;
for (int tens = 10; tens < 20; tens++)
{
for (int units = 0; units < 10; units++)
@ -147,9 +153,13 @@ void er1400_device::write_data()
logerror("Writing data %04X at %d\n", m_data_register, offset);
m_data_array[offset] &= m_data_register;
}
selected++;
}
}
}
if (selected != 1)
logerror("%d addresses selected for write operation\n", selected);
}
@ -160,6 +170,7 @@ void er1400_device::write_data()
void er1400_device::erase_data()
{
int selected = 0;
for (int tens = 10; tens < 20; tens++)
{
for (int units = 0; units < 10; units++)
@ -172,9 +183,13 @@ void er1400_device::erase_data()
logerror("Erasing data at %d\n", offset);
m_data_array[offset] = 0x3fff;
}
selected++;
}
}
}
if (selected != 1)
logerror("%d addresses selected for erase operation\n", selected);
}