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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
COMX-35 Disk Controller Card emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __COMX_FD__
#define __COMX_FD__
#include "emu.h"
#include "exp.h"
#include "formats/comx35_dsk.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 clock);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
DECLARE_FLOPPY_FORMATS( floppy_formats );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_comx_expansion_card_interface overrides
virtual int comx_ef4_r();
virtual void comx_q_w(int state);
virtual UINT8 comx_mrd_r(address_space &space, offs_t offset, int *extrom);
virtual UINT8 comx_io_r(address_space &space, offs_t offset);
virtual void comx_io_w(address_space &space, offs_t offset, UINT8 data);
private:
// internal state
required_device<wd1770_t> 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
extern const device_type COMX_FD;
#endif
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