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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
COMX-35 Disk Controller Card emulation
**********************************************************************/
#ifndef MAME_BUS_COMX35_FDC_H
#define MAME_BUS_COMX35_FDC_H
#pragma once
#include "exp.h"
#include "imagedev/floppy.h"
#include "machine/wd_fdc.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> comx_fd_device
class comx_fd_device : public device_t,
public device_comx_expansion_card_interface
{
public:
// construction/destruction
comx_fd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
// device_comx_expansion_card_interface overrides
virtual int comx_ef4_r() override;
virtual void comx_q_w(int state) override;
virtual uint8_t comx_mrd_r(offs_t offset, int *extrom) override;
virtual uint8_t comx_io_r(offs_t offset) override;
virtual void comx_io_w(offs_t offset, uint8_t data) override;
private:
static void floppy_formats(format_registration &fr);
// internal state
required_device<wd1770_device> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_memory_region m_rom;
// floppy state
int m_q; // FDC register select
int m_addr; // FDC address
int m_disb; // data request disable
};
// device type definition
DECLARE_DEVICE_TYPE(COMX_FD, comx_fd_device)
#endif // MAME_BUS_COMX35_FDC_H
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