static void send_to_out_a_func(const device_config *device, const char* message)
{
pia6821_state *p = get_token(device);
/* input pins are pulled high */
UINT8 data = get_out_a_value(device);
LOG(("PIA #%s: %s = %02X\n", device->tag, message, data));
if (p->out_a_func.write != NULL)
devcb_call_write8(&p->out_a_func, 0, data);
else
{
if (p->out_a_needs_pulled)
logerror("PIA #%s: Warning! No port A write handler. Previous value has been lost!\n", device->tag);
p->out_a_needs_pulled = TRUE;
}
}
void pia6821_device::send_to_out_a_func(const char* message)
{
// input pins are pulled high
UINT8 data = get_out_a_value();
LOG(("PIA #%s: %s = %02X\n", tag(), message, data));
if(!m_out_a_func.isnull())
{
m_out_a_func(0, data);
}
else
{
if(m_out_a_needs_pulled)
{
logerror("PIA #%s: Warning! No port A write handler. Previous value has been lost!\n", tag());
}
m_out_a_needs_pulled = true;
}
}
UINT8 pia6821_device::a_output()
{
m_out_a_needs_pulled = false;
return get_out_a_value();
}