void dp8390_device::device_reset() {
memset(&m_regs, 0, sizeof(m_regs));
m_regs.cr = 0x21;
m_regs.isr = 0x80;
m_regs.dcr = 0x04;
memset(&m_8019regs, 0, sizeof(m_8019regs));
m_8019regs.config1 = 0x80;
m_8019regs.config3 = 0x01;
irq_func(CLEAR_LINE);
m_reset = 1;
}
void tms5220_reset(void)
{
/* initialize the FIFO */
/*memset(fifo, 0, sizeof(fifo));*/
fifo_head = fifo_tail = fifo_count = fifo_bits_taken = 0;
/* initialize the chip state */
/* Note that we do not actually clear IRQ on start-up : IRQ is even raised if buffer_empty or buffer_low are 0 */
tms5220_speaking = speak_external = talk_status = first_frame = last_frame = irq_pin = 0;
#if USE_OBSOLETE_HACK
speak_delay_frames = 0;
#endif
if (irq_func) irq_func(0);
buffer_empty = buffer_low = 1;
RDB_flag = FALSE;
/* initialize the energy/pitch/k states */
old_energy = new_energy = current_energy = target_energy = 0;
old_pitch = new_pitch = current_pitch = target_pitch = 0;
memset(old_k, 0, sizeof(old_k));
memset(new_k, 0, sizeof(new_k));
memset(current_k, 0, sizeof(current_k));
memset(target_k, 0, sizeof(target_k));
/* initialize the sample generators */
interp_count = sample_count = pitch_count = 0;
randbit = 0;
memset(u, 0, sizeof(u));
memset(x, 0, sizeof(x));
if (load_address_callback)
(*load_address_callback)(0);
schedule_dummy_read = TRUE;
}
void dp8390_device::stop() {
m_regs.isr = 0x80; // is this right?
m_regs.cr |= 1;
irq_func(CLEAR_LINE);
m_reset = 1;
}
