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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
BBC Micro Floppy Disc Controller slot emulation
**********************************************************************/
#ifndef MAME_BUS_BBC_FDC_FDC_H
#define MAME_BUS_BBC_FDC_FDC_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bbc_fdc_slot_device
class device_bbc_fdc_interface;
class bbc_fdc_slot_device : public device_t, public device_single_card_slot_interface<device_bbc_fdc_interface>
{
public:
// construction/destruction
template <typename T>
bbc_fdc_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, const XTAL &clock, T &&slot_options, const char *default_option)
: bbc_fdc_slot_device(mconfig, tag, owner, clock)
{
option_reset();
slot_options(*this);
set_default_option(default_option);
set_fixed(false);
set_insert_rom(true);
}
bbc_fdc_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, const XTAL &clock);
void set_insert_rom(bool insert_rom) { m_insert_rom = insert_rom; }
bool insert_rom() { return m_insert_rom; }
// callbacks
auto intrq_wr_callback() { return m_intrq_cb.bind(); }
auto drq_wr_callback() { return m_drq_cb.bind(); }
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
DECLARE_WRITE_LINE_MEMBER( intrq_w ) { m_intrq_cb(state); }
DECLARE_WRITE_LINE_MEMBER( drq_w) { m_drq_cb(state); }
protected:
// device-level overrides
virtual void device_start() override;
device_bbc_fdc_interface *m_card;
private:
devcb_write_line m_intrq_cb;
devcb_write_line m_drq_cb;
bool m_insert_rom;
};
// ======================> device_bbc_fdc_interface
class device_bbc_fdc_interface : public device_interface
{
public:
virtual uint8_t read(offs_t offset) { return 0xff; }
virtual void write(offs_t offset, uint8_t data) { }
protected:
device_bbc_fdc_interface(const machine_config &mconfig, device_t &device);
bbc_fdc_slot_device *m_slot;
};
// device type definition
DECLARE_DEVICE_TYPE(BBC_FDC_SLOT, bbc_fdc_slot_device)
void bbc_fdc_devices(device_slot_interface &device);
#endif // MAME_BUS_BBC_FDC_FDC_H
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