inline void base_c2040_device::initialize(int drives)
{
// find GCR ROM
m_gcr = memregion("gcr")->base();
// install image callbacks
m_unit[0].m_image = m_image0;
floppy_install_unload_proc(m_image0, base_c2040_device::on_disk0_change);
floppy_install_load_proc(m_image0, base_c2040_device::on_disk0_change);
if (drives == 2)
{
m_unit[1].m_image = m_image1;
floppy_install_unload_proc(m_image1, base_c2040_device::on_disk1_change);
floppy_install_load_proc(m_image1, base_c2040_device::on_disk1_change);
}
// register for state saving
save_item(NAME(m_drive));
save_item(NAME(m_side));
save_item(NAME(m_rfdo));
save_item(NAME(m_daco));
save_item(NAME(m_atna));
save_item(NAME(m_ds));
save_item(NAME(m_bit_count));
save_item(NAME(m_sr));
save_item(NAME(m_pi));
save_item(NAME(m_i));
save_item(NAME(m_e));
save_item(NAME(m_ready));
save_item(NAME(m_mode));
save_item(NAME(m_rw));
save_item(NAME(m_miot_irq));
save_item(NAME(m_unit[0].m_stp));
save_item(NAME(m_unit[0].m_mtr));
save_item(NAME(m_unit[0].m_track_len));
save_item(NAME(m_unit[0].m_buffer_pos));
save_item(NAME(m_unit[0].m_bit_pos));
if (drives == 2)
{
save_item(NAME(m_unit[1].m_stp));
save_item(NAME(m_unit[1].m_mtr));
save_item(NAME(m_unit[1].m_track_len));
save_item(NAME(m_unit[1].m_buffer_pos));
save_item(NAME(m_unit[1].m_bit_pos));
}
}
void c2040_device::device_start()
{
m_bit_timer = timer_alloc();
// install image callbacks
m_unit[0].m_image = m_image0;
floppy_install_load_proc(m_image0, c2040_device::on_disk0_change);
if (m_image1)
{
m_unit[1].m_image = m_image1;
floppy_install_load_proc(m_image1, c2040_device::on_disk1_change);
}
// register for state saving
save_item(NAME(m_drive));
save_item(NAME(m_side));
save_item(NAME(m_rfdo));
save_item(NAME(m_daco));
save_item(NAME(m_atna));
save_item(NAME(m_ds));
save_item(NAME(m_bit_count));
save_item(NAME(m_sr));
save_item(NAME(m_pi));
save_item(NAME(m_i));
save_item(NAME(m_e));
save_item(NAME(m_ready));
save_item(NAME(m_mode));
save_item(NAME(m_rw));
save_item(NAME(m_miot_irq));
save_item(NAME(m_unit[0].m_stp));
save_item(NAME(m_unit[0].m_mtr));
save_item(NAME(m_unit[0].m_track_len));
save_item(NAME(m_unit[0].m_buffer_pos));
save_item(NAME(m_unit[0].m_bit_pos));
if (m_image1)
{
save_item(NAME(m_unit[1].m_stp));
save_item(NAME(m_unit[1].m_mtr));
save_item(NAME(m_unit[1].m_track_len));
save_item(NAME(m_unit[1].m_buffer_pos));
save_item(NAME(m_unit[1].m_bit_pos));
}
}
static DEVICE_START(atari_fdc)
{
int id;
for(id=0;id<4;id++)
{
floppy_install_load_proc(atari_floppy_get_device_child(device, id), atari_load_proc);
}
}
void c1541_device::device_start()
{
// install image callbacks
floppy_install_unload_proc(m_image, c1541_device::on_disk_change);
floppy_install_load_proc(m_image, c1541_device::on_disk_change);
// register for state saving
save_item(NAME(m_data_out));
save_item(NAME(m_via0_irq));
save_item(NAME(m_via1_irq));
}
ROM_END
/*-------------------------------------------------
DEVICE_START( c1551 )
-------------------------------------------------*/
static DEVICE_START( c1551 )
{
c1551_t *c1551 = get_safe_token(device);
const c1551_config *config = get_safe_config(device);
/* set address */
assert((config->address > 7) && (config->address < 10));
c1551->address = config->address - 8;
/* find our CPU */
c1551->cpu = device->subdevice(M6510T_TAG);
/* find devices */
c1551->tpi0 = device->subdevice(M6523_0_TAG);
c1551->tpi1 = device->subdevice(M6523_1_TAG);
c1551->image = device->subdevice(FLOPPY_0);
/* install image callbacks */
floppy_install_unload_proc(c1551->image, on_disk_change);
floppy_install_load_proc(c1551->image, on_disk_change);
/* allocate data timer */
c1551->bit_timer = device->machine().scheduler().timer_alloc(FUNC(bit_tick), (void *)device);
/* map TPI1 to host CPU memory space */
address_space *program = device->machine().device(config->cpu_tag)->memory().space(AS_PROGRAM);
UINT32 start_address = c1551->address ? 0xfec0 : 0xfef0;
program->install_legacy_readwrite_handler(*c1551->tpi1, start_address, start_address + 7, FUNC(tpi6525_r), FUNC(tpi6525_w));
/* register for state saving */
device->save_item(NAME(c1551->tcbm_data));
device->save_item(NAME(c1551->status));
device->save_item(NAME(c1551->dav));
device->save_item(NAME(c1551->ack));
device->save_item(NAME(c1551->stp));
device->save_item(NAME(c1551->mtr));
device->save_item(NAME(c1551->track_len));
device->save_item(NAME(c1551->buffer_pos));
device->save_item(NAME(c1551->bit_pos));
device->save_item(NAME(c1551->bit_count));
device->save_item(NAME(c1551->data));
device->save_item(NAME(c1551->yb));
device->save_item(NAME(c1551->ds));
device->save_item(NAME(c1551->soe));
device->save_item(NAME(c1551->byte));
device->save_item(NAME(c1551->mode));
}
DRIVER_INIT_MEMBER(vtech1_state,vtech1)
{
address_space &prg = m_maincpu->space(AS_PROGRAM);
int id;
/* ram */
m_ram_pointer = m_ram->pointer();
m_ram_size = m_ram->size();
/* setup memory banking */
membank("bank1")->set_base(m_ram_pointer);
/* 16k memory expansion? */
if (m_ram_size == 18*1024 || m_ram_size == 22*1024 || m_ram_size == 32*1024)
{
offs_t base = 0x7800 + (m_ram_size - 0x4000);
prg.install_readwrite_bank(base, base + 0x3fff, "bank2");
membank("bank2")->set_base(m_ram_pointer + base - 0x7800);
}
/* 64k expansion? */
if (m_ram_size >= 66*1024)
{
/* install fixed first bank */
prg.install_readwrite_bank(0x8000, 0xbfff, "bank2");
membank("bank2")->set_base(m_ram_pointer + 0x800);
/* install the others, dynamically banked in */
prg.install_readwrite_bank(0xc000, 0xffff, "bank3");
membank("bank3")->configure_entries(0, (m_ram_size - 0x4800) / 0x4000, m_ram_pointer + 0x4800, 0x4000);
membank("bank3")->set_entry(0);
}
/* initialize floppy */
m_drive = -1;
m_fdc_track_x2[0] = 80;
m_fdc_track_x2[1] = 80;
m_fdc_wrprot[0] = 0x80;
m_fdc_wrprot[1] = 0x80;
m_fdc_status = 0;
m_fdc_edge = 0;
m_fdc_bits = 8;
m_fdc_start = 0;
m_fdc_write = 0;
m_fdc_offs = 0;
m_fdc_latch = 0;
for(id=0; id<2; id++)
{
floppy_install_load_proc(floppy_get_device(machine(), id), vtech1_load_proc);
}
}
void base_c1571_device::device_start()
{
// install image callbacks
floppy_install_unload_proc(m_image, base_c1571_device::on_disk_change);
floppy_install_load_proc(m_image, base_c1571_device::on_disk_change);
// register for state saving
save_item(NAME(m_1_2mhz));
save_item(NAME(m_data_out));
save_item(NAME(m_ser_dir));
save_item(NAME(m_sp_out));
save_item(NAME(m_cnt_out));
save_item(NAME(m_via0_irq));
save_item(NAME(m_via1_irq));
save_item(NAME(m_cia_irq));
}
void osborne1_state::machine_reset()
{
int drive;
address_space& space = m_maincpu->space(AS_PROGRAM);
/* Initialize memory configuration */
osborne1_bankswitch_w( space, 0x00, 0 );
m_pia_0_irq_state = FALSE;
m_pia_1_irq_state = FALSE;
m_in_irq_handler = 0;
m_p_chargen = memregion( "chargen" )->base();
memset( m_ram->pointer() + 0x10000, 0xFF, 0x1000 );
for(drive=0;drive<2;drive++)
floppy_install_load_proc(floppy_get_device(machine(), drive), osborne1_load_proc);
space.set_direct_update_handler(direct_update_delegate(FUNC(osborne1_state::osborne1_opbase), this));
}