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// license:BSD-3-Clause
// copyright-holders: F. Ulivi
/*********************************************************************
82919.h
82919 module (RS232 interface)
*********************************************************************/
#ifndef MAME_BUS_HP_IPC_IO_82919_H
#define MAME_BUS_HP_IPC_IO_82919_H
#pragma once
#include "hp_ipc_io.h"
#include "machine/mc68681.h"
#include "bus/rs232/rs232.h"
class hp82919_io_card_device : public device_t, public device_hp_ipc_io_interface
{
public:
// construction/destruction
hp82919_io_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~hp82919_io_card_device();
uint8_t read(offs_t addr);
void write(offs_t addr , uint8_t data);
DECLARE_WRITE_LINE_MEMBER(uart_irq);
DECLARE_WRITE_LINE_MEMBER(uart_a_tx);
DECLARE_WRITE_LINE_MEMBER(uart_b_tx);
void uart_output(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(prim_rxd);
DECLARE_WRITE_LINE_MEMBER(prim_dcd);
DECLARE_WRITE_LINE_MEMBER(prim_dsr);
DECLARE_WRITE_LINE_MEMBER(prim_ri);
DECLARE_WRITE_LINE_MEMBER(prim_cts);
DECLARE_WRITE_LINE_MEMBER(sec_rxd);
DECLARE_WRITE_LINE_MEMBER(sec_dcd);
DECLARE_WRITE_LINE_MEMBER(sec_cts);
protected:
virtual void device_start() override;
virtual void device_reset() override;
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
virtual void install_read_write_handlers(address_space& space , uint32_t base_addr) override;
private:
required_device<rs232_port_device> m_rs232_prim;
required_device<rs232_port_device> m_rs232_sec;
required_device<mc68681_device> m_uart;
required_ioport m_loopback_en;
uint8_t m_int_level;
bool m_int_en;
bool m_int_forced;
bool m_int_pending;
bool m_uart_int;
bool m_irq;
bool m_loopback;
void update_irq();
};
// device type definition
DECLARE_DEVICE_TYPE(HP82919_IO_CARD, hp82919_io_card_device)
#endif // MAME_BUS_HP_IPC_IO_82919_H
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