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// license:GPL-2.0+
// copyright-holders:Dirk Best, Olivier Galibert
/***************************************************************************
VTech Laser/VZ Floppy Controller Cartridge
Laser DD 20
Dick Smith Electronics X-7304
***************************************************************************/
#ifndef MAME_BUS_VTECH_MEMEXP_FLOPPY_H
#define MAME_BUS_VTECH_MEMEXP_FLOPPY_H
#pragma once
#include "memexp.h"
#include "imagedev/floppy.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> vtech_floppy_controller_device
class vtech_floppy_controller_device : public vtech_memexp_device
{
public:
// construction/destruction
vtech_floppy_controller_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void mem_map(address_map &map) override;
virtual void io_map(address_map &map) override;
private:
required_device<vtech_memexp_slot_device> m_memexp;
required_device<floppy_connector> m_floppy0, m_floppy1;
floppy_image_device *m_floppy;
static void floppy_formats(format_registration &fr);
void latch_w(uint8_t data);
uint8_t shifter_r();
uint8_t rd_r();
uint8_t wpt_r();
void index_callback(floppy_image_device *floppy, int state);
void update_latching_inverter();
void flush_writes(bool keep_margin = false);
uint8_t m_latch, m_shifter;
bool m_latching_inverter;
int m_current_cyl;
attotime m_last_latching_inverter_update_time;
attotime m_write_start_time, m_write_buffer[32];
int m_write_position;
};
// device type definition
DECLARE_DEVICE_TYPE(VTECH_FLOPPY_CONTROLLER, vtech_floppy_controller_device)
#endif // MAME_BUS_VTECH_MEMEXP_FLOPPY_H
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