void aakart_device::write_kbd_buf()
{
//printf("%08x\n",data);
m_out_tx_func(ASSERT_LINE);
//debugger_break(machine());
m_status = STATUS_KEYDOWN;
}
void serial_keyboard_device::device_reset()
{
generic_keyboard_device::device_reset();
m_rbit = 1;
if(m_slot)
m_owner->out_rx(m_rbit);
else
m_out_tx_func(m_rbit);
UINT8 val = m_io_term_frame->read();
set_tra_rate(rates[val & 0x0f]);
switch(val & 0x30)
{
case 0x10:
set_data_frame(7, 1, SERIAL_PARITY_EVEN);
break;
case 0x00:
default:
set_data_frame(8, 1, SERIAL_PARITY_NONE);
break;
case 0x20:
set_data_frame(8, 2, SERIAL_PARITY_NONE);
break;
case 0x30:
set_data_frame(8, 1, SERIAL_PARITY_EVEN);
break;
}
}
void serial_keyboard_device::tra_callback()
{
m_rbit = transmit_register_get_data_bit();
if(m_slot)
m_owner->out_rx(m_rbit);
else
m_out_tx_func(m_rbit);
}
void serial_keyboard_device::device_reset()
{
generic_keyboard_device::device_reset();
m_rbit = 1;
if(m_slot)
m_owner->out_rx(m_rbit);
else
m_out_tx_func(m_rbit);
}
void aakart_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
if(id == RX_TIMER && m_new_command & 2)
{
m_out_rx_func(ASSERT_LINE);
m_out_tx_func(CLEAR_LINE);
m_rx = m_rx_latch;
return;
}
if(id == TX_TIMER && m_new_command & 1)
{
m_out_tx_func(ASSERT_LINE);
m_new_command &= ~1;
m_new_command |= 2;
return;
}
}
void midi_keyboard_device::tra_callback()
{
m_out_tx_func(transmit_register_get_data_bit());
}
void aakart_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
#if 0
if(id == KEYB_TIMER && m_keyb_enable && m_status == STATUS_NORMAL)
{
m_new_command |= 2;
m_rx_latch = 0xd0 | 0; // keyb scancode (0xd0=up 0xc0=down, bits 3-0 row)
m_status = STATUS_KEYUP;
//m_ff ^= 1;
return;
}
#endif
if(id == MOUSE_TIMER && m_mouse_enable && m_status == STATUS_NORMAL)
{
m_new_command |= 2;
m_rx_latch = 0; // mouse X position
m_status = STATUS_MOUSE;
//m_ff ^= 1;
return;
}
if(m_new_command == 0)
return;
if(id == RX_TIMER && m_new_command & 2)
{
m_out_rx_func(ASSERT_LINE);
m_new_command &= ~2;
m_rx = m_rx_latch;
return;
}
if(id == TX_TIMER && m_new_command & 1)
{
switch(m_status)
{
case STATUS_NORMAL:
{
switch(m_tx_latch)
{
case 0x00: // set leds
break;
case RQID:
m_rx_latch = 0x81; //keyboard ID
break;
case SMAK:
case MACK:
case SACK:
case NACK:
if(m_tx_latch & 2) { m_mouse_enable = 1; }
if(m_tx_latch & 1) { m_keyb_enable = 1; }
break;
case HRST:
m_rx_latch = HRST;
m_status = STATUS_HRST;
break;
default:
//printf("%02x\n",m_tx_latch);
break;
}
break;
}
case STATUS_KEYDOWN:
{
switch(m_tx_latch)
{
case BACK:
m_rx_latch = 0xc0 | 0; // keyb scancode (0xd0=up 0xc0=down, bits 3-0 col)
m_status = STATUS_NORMAL;
break;
case HRST:
m_rx_latch = HRST;
m_status = STATUS_HRST;
break;
}
break;
}
case STATUS_KEYUP:
{
switch(m_tx_latch)
{
case BACK:
m_rx_latch = 0xd0 | 0; // keyb scancode (0xd0=up 0xc0=down, bits 3-0 col)
m_status = STATUS_NORMAL;
break;
case HRST:
m_rx_latch = HRST;
m_status = STATUS_HRST;
break;
}
break;
}
case STATUS_MOUSE:
{
switch(m_tx_latch)
{
case BACK:
m_rx_latch = 0; // mouse Y
m_status = STATUS_NORMAL;
break;
default:
case HRST:
m_rx_latch = HRST;
m_status = STATUS_HRST;
break;
}
break;
}
case STATUS_HRST:
{
switch(m_tx_latch)
{
case HRST: { m_rx_latch = HRST; m_keyb_enable = m_mouse_enable = 0; break; }
case RAK1: { m_rx_latch = RAK1; m_keyb_enable = m_mouse_enable = 0; break; }
case RAK2: { m_rx_latch = RAK2; m_status = STATUS_NORMAL; break; }
}
break;
}
}
m_out_tx_func(ASSERT_LINE);
m_new_command &= ~1;
m_new_command |= 2;
}
}
void esqpanel_device::tra_callback() // Tx send bit
{
int bit = transmit_register_get_data_bit();
m_out_tx_func(bit);
}
