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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Compucolor Floppy Disk Drive emulation
*********************************************************************/
#ifndef MAME_BUS_COMPUCOLOR_FLOPPY_H
#define MAME_BUS_COMPUCOLOR_FLOPPY_H
#pragma once
#include "bus/rs232/rs232.h"
#include "formats/ccvf_dsk.h"
#include "imagedev/floppy.h"
//**************************************************************************
// INTERFACE MACROS
//**************************************************************************
#define MCFG_COMPUCOLOR_FLOPPY_PORT_ADD(_tag, _slot_intf, _def_slot) \
MCFG_DEVICE_ADD(_tag, COMPUCOLOR_FLOPPY_PORT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> device_compucolor_floppy_port_interface
class device_compucolor_floppy_port_interface : public device_rs232_port_interface
{
public:
virtual void rw_w(int state) = 0;
virtual void stepper_w(uint8_t data) = 0;
virtual void select_w(int state) = 0;
protected:
device_compucolor_floppy_port_interface(const machine_config &mconfig, device_t &device);
};
// ======================> compucolor_floppy_port_device
class compucolor_floppy_port_device : public rs232_port_device
{
public:
compucolor_floppy_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
DECLARE_WRITE_LINE_MEMBER( rw_w ) { if (m_dev) m_dev->rw_w(state); }
void stepper_w(uint8_t data) { if (m_dev) m_dev->stepper_w(data); }
DECLARE_WRITE_LINE_MEMBER( select_w ) { if (m_dev) m_dev->select_w(state); }
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_config_complete() override;
private:
device_compucolor_floppy_port_interface *m_dev;
};
// ======================> compucolor_floppy_device
class compucolor_floppy_device : public device_t, public device_compucolor_floppy_port_interface
{
public:
// construction/destruction
compucolor_floppy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
// device_serial_port_interface overrides
virtual void tx(uint8_t state);
// device_compucolor_floppy_port_interface overrides
virtual void rw_w(int state) override;
virtual void stepper_w(uint8_t data) override;
virtual void select_w(int state) override;
private:
DECLARE_FLOPPY_FORMATS( floppy_formats );
required_device<floppy_image_device> m_floppy;
bool read_bit();
void write_bit(bool bit);
int m_rw;
int m_stp;
int m_sel;
attotime m_period;
compucolor_floppy_port_device *m_owner;
emu_timer *m_timer;
};
// device type definition
DECLARE_DEVICE_TYPE(COMPUCOLOR_FLOPPY_PORT, compucolor_floppy_port_device)
DECLARE_DEVICE_TYPE(COMPUCOLOR_FLOPPY, compucolor_floppy_device)
// slot devices
SLOT_INTERFACE_EXTERN( compucolor_floppy_port_devices );
#endif // MAME_BUS_COMPUCOLOR_FLOPPY_H
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