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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* cpc_rs232.h
*
* Created on: 22/04/2014
*/
#ifndef MAME_BUS_CPC_CPC_RS232_H
#define MAME_BUS_CPC_CPC_RS232_H
#pragma once
#include "cpcexp.h"
#include "machine/z80sio.h"
#include "machine/pit8253.h"
#include "bus/rs232/rs232.h"
class cpc_rs232_device : public device_t, public device_cpc_expansion_card_interface
{
public:
// construction/destruction
cpc_rs232_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint8_t dart_r(offs_t offset);
void dart_w(offs_t offset, uint8_t data);
uint8_t pit_r(offs_t offset);
void pit_w(offs_t offset, uint8_t data);
protected:
cpc_rs232_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
required_device<pit8253_device> m_pit;
required_device<z80dart_device> m_dart;
required_device<rs232_port_device> m_rs232;
private:
void pit_out0_w(int state);
void pit_out1_w(int state);
void pit_out2_w(int state);
cpc_expansion_slot_device *m_slot;
};
class cpc_ams_rs232_device : public cpc_rs232_device
{
public:
// construction/destruction
cpc_ams_rs232_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
};
// device type definition
DECLARE_DEVICE_TYPE(CPC_RS232, cpc_rs232_device)
DECLARE_DEVICE_TYPE(CPC_RS232_AMS, cpc_ams_rs232_device)
#endif // MAME_BUS_CPC_CPC_RS232_H
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