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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Ralph Allen Disc Controller Card
**********************************************************************/
#ifndef MAME_BUS_TANBUS_RADISC_H
#define MAME_BUS_TANBUS_RADISC_H
#pragma once
#include "bus/tanbus/tanbus.h"
#include "imagedev/floppy.h"
#include "machine/wd_fdc.h"
#include "machine/mc146818.h"
#include "machine/6522via.h"
#include "machine/input_merger.h"
#include "sound/beep.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class tanbus_radisc_device :
public device_t,
public device_tanbus_interface
{
public:
// construction/destruction
tanbus_radisc_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
static void floppy_formats(format_registration &fr);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual uint8_t read(offs_t offset, int inhrom, int inhram, int be) override;
virtual void write(offs_t offset, uint8_t data, int inhrom, int inhram, int be) override;
private:
enum { IRQ_FDC, IRQ_VIA, IRQ_RTC };
void control_w(uint8_t val);
uint8_t control_r();
DECLARE_WRITE_LINE_MEMBER(fdc_irq_w);
DECLARE_WRITE_LINE_MEMBER(fdc_drq_w);
DECLARE_WRITE_LINE_MEMBER(fdc_hld_w);
required_device<fd1793_device> m_fdc;
required_device_array<floppy_connector, 4> m_floppies;
floppy_image_device *m_floppy;
required_device<mc146818_device> m_rtc;
required_device<via6522_device> m_via;
required_device<input_merger_device> m_irq_line;
required_device<beep_device> m_beeper;
int m_beeper_state;
uint8_t m_drive_control;
int m_irq_enable;
int m_drq_enable;
};
// device type definition
DECLARE_DEVICE_TYPE(TANBUS_RADISC, tanbus_radisc_device)
#endif // MAME_BUS_TANBUS_RADISC_H
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