save_error save_manager::write_file(emu_file &file)
{
// if we have illegal registrations, return an error
if (m_illegal_regs > 0)
return STATERR_ILLEGAL_REGISTRATIONS;
// generate the header
UINT8 header[HEADER_SIZE];
memcpy(&header[0], emulator_info::get_state_magic_num(), 8);
header[8] = SAVE_VERSION;
header[9] = NATIVE_ENDIAN_VALUE_LE_BE(0, SS_MSB_FIRST);
strncpy((char *)&header[0x0a], machine().system().name, 0x1c - 0x0a);
UINT32 sig = signature();
*(UINT32 *)&header[0x1c] = LITTLE_ENDIANIZE_INT32(sig);
// write the header and turn on compression for the rest of the file
file.compress(FCOMPRESS_NONE);
file.seek(0, SEEK_SET);
if (file.write(header, sizeof(header)) != sizeof(header))
return STATERR_WRITE_ERROR;
file.compress(FCOMPRESS_MEDIUM);
// call the pre-save functions
for (state_callback *func = m_presave_list.first(); func != NULL; func = func->next())
func->m_func();
// then write all the data
for (state_entry *entry = m_entry_list.first(); entry != NULL; entry = entry->next())
{
UINT32 totalsize = entry->m_typesize * entry->m_typecount;
if (file.write(entry->m_data, totalsize) != totalsize)
return STATERR_WRITE_ERROR;
}
return STATERR_NONE;
}
void ds1204_device::nvram_write( emu_file &file )
{
file.write( m_unique_pattern, sizeof( m_unique_pattern ) );
file.write( m_identification, sizeof( m_identification ) );
file.write( m_security_match, sizeof( m_security_match ) );
file.write( m_secure_memory, sizeof( m_secure_memory ) );
}
void intelfsh_device::nvram_write(emu_file &file)
{
dynamic_buffer buffer(m_size);
for (int byte = 0; byte < m_size; byte++)
buffer[byte] = space(AS_PROGRAM).read_byte(byte);
file.write(&buffer[0], m_size);
}
void at29x_device::nvram_write(emu_file &file)
{
// If we don't write (because there were no changes), the file will be wiped
if (TRACE_PRG) logerror("%s: Write to NVRAM file\n", tag());
m_eememory[0] = m_version;
file.write(m_eememory.get(), m_memory_size+2);
}
void er2055_device::nvram_write(emu_file &file)
{
UINT8 buffer[SIZE_DATA];
for (int byte = 0; byte < SIZE_DATA; byte++)
buffer[byte] = m_addrspace[0]->read_byte(byte);
file.write(buffer, sizeof(buffer));
}
void er2055_device::nvram_write(emu_file &file)
{
UINT8 buffer[SIZE_DATA];
for (int byte = 0; byte < SIZE_DATA; byte++)
buffer[byte] = space(AS_PROGRAM).read_byte(byte);
file.write(buffer, sizeof(buffer));
}
void intelfsh_device::nvram_write(emu_file &file)
{
dynamic_buffer buffer(m_size);
for (int byte = 0; byte < m_size; byte++)
buffer[byte] = m_addrspace[0]->read_byte(byte);
file.write(&buffer[0], m_size);
}
void eeprom_base_device::nvram_write(emu_file &file)
{
uint32_t eeprom_length = 1 << m_address_bits;
uint32_t eeprom_bytes = eeprom_length * m_data_bits / 8;
file.write(&m_data[0], eeprom_bytes);
}
void serflash_device::nvram_write(emu_file &file)
{
if (m_length % FLASH_PAGE_SIZE) return; // region size must be multiple of flash page size
int size = m_length /= FLASH_PAGE_SIZE;
UINT32 page = 0;
while (page < size)
{
if (m_flashwritemap[page])
{
file.write(&page, 4);
file.write(m_region + page * FLASH_PAGE_SIZE, FLASH_PAGE_SIZE);
}
page++;
}
file.write(&page, 4);
}
void intelfsh_device::nvram_write(emu_file &file)
{
UINT8 *buffer = global_alloc_array(UINT8, m_size);
for (int byte = 0; byte < m_size; byte++)
buffer[byte] = m_addrspace[0]->read_byte(byte);
file.write(buffer, m_size);
global_free(buffer);
}
void eeprom_base_device::nvram_write(emu_file &file)
{
UINT32 eeprom_length = 1 << m_address_bits;
UINT32 eeprom_bytes = eeprom_length * m_data_bits / 8;
dynamic_buffer buffer(eeprom_bytes);
for (offs_t offs = 0; offs < eeprom_bytes; offs++)
buffer[offs] = m_addrspace[0]->read_byte(offs);
file.write(&buffer[0], eeprom_bytes);
}
void horizon_ramdisk_device::nvram_write(emu_file &file)
{
int nvramsize = 2097152*(1 << ioport("HORIZONSIZE")->read());
uint8_t* buffer = global_alloc_array_clear<uint8_t>(nvramsize + ROSSIZE);
memcpy(buffer, m_nvram->pointer(), nvramsize);
memcpy(buffer + nvramsize, m_ros->pointer(), ROSSIZE);
file.write(buffer, nvramsize + ROSSIZE);
}
void eeprom_device::nvram_write(emu_file &file)
{
UINT32 eeprom_length = 1 << m_address_bits;
UINT32 eeprom_bytes = eeprom_length * m_data_bits / 8;
UINT8 *buffer = auto_alloc_array(machine(), UINT8, eeprom_bytes);
for (offs_t offs = 0; offs < eeprom_bytes; offs++)
buffer[offs] = m_addrspace[0]->read_byte(offs);
file.write(buffer, eeprom_bytes);
auto_free(machine(), buffer);
}
void at28c16_device::nvram_write( emu_file &file )
{
std::vector<uint8_t> buffer ( AT28C16_TOTAL_BYTES );
for( offs_t offs = 0; offs < AT28C16_TOTAL_BYTES; offs++ )
{
buffer[ offs ] = space(AS_PROGRAM).read_byte( offs );
}
file.write( &buffer[0], AT28C16_TOTAL_BYTES );
}
void x2212_device::nvram_write(emu_file &file)
{
// auto-save causes an implicit store prior to exiting (writing)
if (m_auto_save)
store();
UINT8 *buffer = (UINT8 *) alloca(SIZE_DATA);
for (int byte = 0; byte < SIZE_DATA; byte++)
buffer[byte] = m_e2prom->read_byte(byte);
file.write(buffer, SIZE_DATA);
}
void at28c16_device::nvram_write( emu_file &file )
{
dynamic_buffer buffer ( AT28C16_TOTAL_BYTES );
for( offs_t offs = 0; offs < AT28C16_TOTAL_BYTES; offs++ )
{
buffer[ offs ] = m_addrspace[ 0 ]->read_byte( offs );
}
file.write( &buffer[0], AT28C16_TOTAL_BYTES );
}
void i2cmem_device::nvram_write( emu_file &file )
{
int i2cmem_bytes = m_data_size;
dynamic_buffer buffer ( i2cmem_bytes );
for( offs_t offs = 0; offs < i2cmem_bytes; offs++ )
{
buffer[ offs ] = space(AS_PROGRAM).read_byte( offs );
}
file.write( &buffer[0], i2cmem_bytes );
}
void at28c16_device::nvram_write( emu_file &file )
{
UINT8 *buffer = auto_alloc_array( &m_machine, UINT8, AT28C16_TOTAL_BYTES );
for( offs_t offs = 0; offs < AT28C16_TOTAL_BYTES; offs++ )
{
buffer[ offs ] = m_addrspace[ 0 ]->read_byte( offs );
}
file.write( buffer, AT28C16_TOTAL_BYTES );
auto_free( &m_machine, buffer );
}
void a2bus_cffa2_6502_device::nvram_write(emu_file &file)
{
file.write(m_eeprom, 0x1000);
}
void mc146818_device::nvram_write(emu_file &file)
{
file.write(m_data, sizeof(m_data));
}
void atari_vg_earom_device::nvram_write(emu_file &file)
{
file.write(m_rom,EAROM_SIZE);
}
void rp5c01_device::nvram_write(emu_file &file)
{
if (m_battery_backed)
file.write(m_ram, RAM_SIZE);
}
void mccs1850_device::nvram_write(emu_file &file)
{
file.write(m_ram, RAM_SIZE);
}
void horizon_ramdisk_device::nvram_write(emu_file &file)
{
int size = get_size();
file.write(m_nvram, size);
}
void ngp_state::nvram_write(emu_file &file)
{
file.write(m_mainram, 0x3000);
}
void m6m80011ap_device::nvram_write(emu_file &file)
{
file.write(m_eeprom_data, 0x100);
}
void rtc9701_device::nvram_write(emu_file &file)
{
file.write(rtc9701_data, 0x200);
}
void snug_enhanced_video_device::nvram_write(emu_file &file)
{
file.write(m_novram.get(), NOVRAM_SIZE);
}
void mc146818_device::nvram_write(emu_file &file)
{
file.write(m_data, data_size());
}
void nmc9306_device::nvram_write(emu_file &file)
{
file.write(m_register, RAM_SIZE);
}