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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/******************************************************************************
Psion Condor
******************************************************************************/
#ifndef MAME_MACHINE_PSION_CONDOR_H
#define MAME_MACHINE_PSION_CONDOR_H
#pragma once
#include "diserial.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> psion_condor_device
class psion_condor_device : public device_t, public device_serial_interface
{
public:
psion_condor_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
static constexpr feature_type unemulated_features() { return feature::COMMS; }
auto txd_handler() { return m_txd_handler.bind(); }
auto rxc_handler() { return m_rxc_handler.bind(); }
auto rts_handler() { return m_rts_handler.bind(); }
auto dtr_handler() { return m_dtr_handler.bind(); }
auto int_handler() { return m_int_handler.bind(); }
void write_rxd(int state) { }
void write_cts(int state) { m_cts = state; }
void write_dsr(int state) { m_dsr = state; }
void write_dcd(int state) { m_dcd = state; }
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
protected:
// device_t overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
devcb_write_line m_txd_handler;
devcb_write_line m_rxc_handler;
devcb_write_line m_rts_handler;
devcb_write_line m_dtr_handler;
devcb_write_line m_int_handler;
util::fifo<uint8_t, 8> m_rx_fifo;
util::fifo<uint8_t, 8> m_tx_fifo;
int m_cts;
int m_dsr;
int m_ri;
int m_dcd;
uint16_t m_uart_divisor;
uint8_t m_uart_line_control;
uint8_t m_int_mask;
uint8_t m_control1;
uint8_t m_parallel_ddr;
};
// device type definition
DECLARE_DEVICE_TYPE(PSION_CONDOR, psion_condor_device)
#endif // MAME_MACHINE_PSION_CONDOR_H
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