void gaelco_serial_device::device_start()
{
/* validate arguments */
assert(strlen(tag()) < 20);
m_irq_handler.resolve_safe();
m_sync_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(gaelco_serial_device::link_cb), this));
/* register for save states */
//save_item(NAME(earom->offset));
//save_item(NAME(earom->data));
#ifdef SHARED_MEM_DRIVER
m_sync_timer->adjust(attotime::zero,0,attotime::from_hz(SYNC_FREQ));
#endif
m_os_shmem = osd_sharedmem_alloc(PATH_NAME, 0, sizeof(shmem_t));
if (m_os_shmem == NULL)
{
m_os_shmem = osd_sharedmem_alloc(PATH_NAME, 1, sizeof(shmem_t));
m_shmem = (shmem_t *) osd_sharedmem_ptr(m_os_shmem);
m_in_ptr = &m_shmem->buf[0];
m_out_ptr = &m_shmem->buf[1];
}
else
{
m_shmem = (shmem_t *) osd_sharedmem_ptr(m_os_shmem);
m_in_ptr = &m_shmem->buf[1];
m_out_ptr = &m_shmem->buf[0];
}
}
static DEVICE_START( gaelco_serial )
{
gaelco_serial_state *state = get_token(device);
const gaelco_serial_interface *intf = get_interface(device);
/* validate arguments */
assert(device != NULL);
assert(strlen(device->tag()) < 20);
/* clear out CIA structure, and copy the interface */
memset(state, 0, sizeof(*state));
state->m_device = device;
state->m_irq_func.resolve(intf->irq_func, *device);
state->m_sync_timer = device->machine().scheduler().timer_alloc(FUNC(link_cb), state);
/* register for save states */
//device->save_item(NAME(earom->offset));
//device->save_item(NAME(earom->data));
#ifdef SHARED_MEM_DRIVER
state->m_sync_timer->adjust(attotime::zero,0,attotime::from_hz(SYNC_FREQ));
#endif
state->m_os_shmem = osd_sharedmem_alloc(PATH_NAME, 0, sizeof(shmem_t));
if (state->m_os_shmem == NULL)
{
state->m_os_shmem = osd_sharedmem_alloc(PATH_NAME, 1, sizeof(shmem_t));
state->m_shmem = (shmem_t *) osd_sharedmem_ptr(state->m_os_shmem);
state->m_in_ptr = &state->m_shmem->buf[0];
state->m_out_ptr = &state->m_shmem->buf[1];
}
else
{
state->m_shmem = (shmem_t *) osd_sharedmem_ptr(state->m_os_shmem);
state->m_in_ptr = &state->m_shmem->buf[1];
state->m_out_ptr = &state->m_shmem->buf[0];
}
}
