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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"
//**************************************************************************
// 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:
template <typename T>
compucolor_floppy_port_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, const char *dflt)
: rs232_port_device(mconfig, tag, owner)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
compucolor_floppy_port_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &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, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() 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:
static void floppy_formats(format_registration &fr);
required_device<floppy_connector> m_floppy;
TIMER_CALLBACK_MEMBER(rxd_tick);
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
void compucolor_floppy_port_devices(device_slot_interface &device);
#endif // MAME_BUS_COMPUCOLOR_FLOPPY_H
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