diff options
Diffstat (limited to 'src/devices/machine/er2055.cpp')
-rw-r--r-- | src/devices/machine/er2055.cpp | 14 |
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) |