static void ddr_b_w(const device_config *device, UINT8 data)
{
pia6821_state *p = get_token(device);
if (data == 0x00)
LOG(("PIA #%s: DDR B write = %02X (input mode)\n", device->tag, data));
else if (data == 0xff)
LOG(("PIA #%s: DDR B write = %02X (output mode)\n", device->tag, data));
else
LOG(("PIA #%s: DDR B write = %02X (mixed mode)\n", device->tag, data));
if (p->ddr_b != data)
{
/* DDR changed, call the callback again */
p->ddr_b = data;
p->logged_port_b_not_connected = FALSE;
send_to_out_b_func(device, "port B write due to DDR change");
}
}
void pia6821_device::port_b_w(UINT8 data)
{
// buffer the output value
m_out_b = data;
send_to_out_b_func("port B write");
// CB2 in write strobe mode
if(C2_STROBE_MODE(m_ctl_b))
{
// this will cause a transition low
set_out_cb2(FALSE);
// if the CB2 strobe is cleared by the E, reset it right away
if(STROBE_E_RESET(m_ctl_b))
{
set_out_cb2(TRUE);
}
}
}
static void port_b_w(const device_config *device, UINT8 data)
{
pia6821_state *p = get_token(device);
/* buffer the output value */
p->out_b = data;
send_to_out_b_func(device, "port B write");
/* CB2 in write strobe mode */
if (C2_STROBE_MODE(p->ctl_b))
{
/* this will cause a transition low */
set_out_cb2(device, FALSE);
/* if the CB2 strobe is cleared by the E, reset it right away */
if (STROBE_E_RESET(p->ctl_b))
set_out_cb2(device, TRUE);
}
}
void pia6821_device::ddr_b_w(UINT8 data)
{
if (data == 0x00)
{
LOG(("PIA #%s: DDR B write = %02X (input mode)\n", tag(), data));
}
else if (data == 0xff)
{
LOG(("PIA #%s: DDR B write = %02X (output mode)\n", tag(), data));
}
else
{
LOG(("PIA #%s: DDR B write = %02X (mixed mode)\n", tag(), data));
}
if(m_ddr_b != data)
{
// DDR changed, call the callback again
m_ddr_b = data;
m_logged_port_b_not_connected = false;
send_to_out_b_func("port B write due to DDR change");
}
}
