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Diffstat (limited to 'src/devices/machine/er2055.cpp')
-rw-r--r--src/devices/machine/er2055.cpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/devices/machine/er2055.cpp b/src/devices/machine/er2055.cpp
index ad61551bd8f..aa80957b12d 100644
--- a/src/devices/machine/er2055.cpp
+++ b/src/devices/machine/er2055.cpp
@@ -37,7 +37,7 @@ DEFINE_DEVICE_TYPE(ER2055, er2055_device, "er2055", "ER2055 EAROM (64x8)")
er2055_device::er2055_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, ER2055, tag, owner, clock),
device_nvram_interface(mconfig, *this),
- m_default_data(*this, DEVICE_SELF, SIZE_DATA),
+ m_default_data(*this, DEVICE_SELF),
m_control_state(0),
m_address(0),
m_data(0)
@@ -83,9 +83,10 @@ void er2055_device::nvram_default()
// .nv file
//-------------------------------------------------
-void er2055_device::nvram_read(emu_file &file)
+bool er2055_device::nvram_read(util::read_stream &file)
{
- file.read(&m_rom_data[0], SIZE_DATA);
+ auto const [err, actual] = read(file, &m_rom_data[0], SIZE_DATA);
+ return !err && (actual == SIZE_DATA);
}
@@ -94,9 +95,10 @@ void er2055_device::nvram_read(emu_file &file)
// .nv file
//-------------------------------------------------
-void er2055_device::nvram_write(emu_file &file)
+bool er2055_device::nvram_write(util::write_stream &file)
{
- file.write(&m_rom_data[0], SIZE_DATA);
+ auto const [err, actual] = write(file, &m_rom_data[0], SIZE_DATA);
+ return !err;
}
@@ -161,7 +163,7 @@ void er2055_device::update_state()
// successive write or erase operations
//-------------------------------------------------
-WRITE_LINE_MEMBER(er2055_device::set_clk)
+void er2055_device::set_clk(int state)
{
uint8_t oldstate = m_control_state;
if (state)