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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Tangerine TANDOS (MT0078)
**********************************************************************/
#ifndef MAME_BUS_TANBUS_TANDOS_H
#define MAME_BUS_TANBUS_TANDOS_H
#pragma once
#include "tanbus.h"
#include "machine/wd_fdc.h"
#include "machine/tms9914.h"
#include "bus/ieee488/ieee488.h"
#include "imagedev/floppy.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class tanbus_tandos_device : public device_t, public device_tanbus_interface
{
public:
static constexpr feature_type imperfect_features() { return feature::DISK; }
// construction/destruction
tanbus_tandos_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
static void floppy_formats(format_registration &fr);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
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;
virtual void set_inhibit_lines(offs_t offset, int &inhram, int &inhrom) override;
private:
void control_w(uint8_t data);
uint8_t status_r();
void fdc_irq_w(int state);
void fdc_drq_w(int state);
void fdc_hld_w(int state);
required_memory_region m_dos_rom;
required_device<ieee488_device> m_ieee;
required_device<tms9914_device> m_tms9914;
required_device<fd1793_device> m_fdc;
required_device_array<floppy_connector, 4> m_floppies;
floppy_image_device *m_floppy;
uint8_t m_status;
int m_irq_enable;
int m_drq_enable;
std::unique_ptr<uint8_t[]> m_ram;
};
// device type definition
DECLARE_DEVICE_TYPE(TANBUS_TANDOS, tanbus_tandos_device)
#endif // MAME_BUS_TANBUS_TANDOS_H
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