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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
EACA Colour Genie Parallel Slot
20-pin slot
1 GND 11 IOB2
2 +12V 12 IOB1
3 IOA3 13 IOB0
4 IOA4 14 IOB3
5 IOA0 15 IOB4
6 IOA5 16 IOB5
7 IOA1 17 IOB7
8 IOA2 18 IOB6
9 IOA7 19 +5V
10 IOA6 20 -12V
***************************************************************************/
#ifndef MAME_BUS_CGENIE_PARALLEL_PARALLEL_H
#define MAME_BUS_CGENIE_PARALLEL_PARALLEL_H
#pragma once
// include here so drivers don't need to
#include "carts.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class device_cg_parallel_interface;
class cg_parallel_slot_device : public device_t, public device_single_card_slot_interface<device_cg_parallel_interface>
{
public:
// construction/destruction
cg_parallel_slot_device(machine_config const &mconfig, char const *tag, device_t *owner)
: cg_parallel_slot_device(mconfig, tag, owner, XTAL())
{
option_reset();
cg_parallel_slot_carts(*this);
set_default_option(nullptr);
set_fixed(false);
}
cg_parallel_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual ~cg_parallel_slot_device();
// IOA
uint8_t pa_r();
void pa_w(uint8_t data);
// IOB
uint8_t pb_r();
void pb_w(uint8_t data);
protected:
// device-level overrides
virtual void device_start() override;
device_cg_parallel_interface *m_cart;
};
// class representing interface-specific live parallel device
class device_cg_parallel_interface : public device_interface
{
public:
// construction/destruction
virtual ~device_cg_parallel_interface();
virtual uint8_t pa_r() { return 0xff; }
virtual void pa_w(uint8_t data) { }
virtual uint8_t pb_r() { return 0xff; }
virtual void pb_w(uint8_t data) { }
protected:
device_cg_parallel_interface(const machine_config &mconfig, device_t &device);
cg_parallel_slot_device *m_slot;
};
// device type definition
DECLARE_DEVICE_TYPE(CG_PARALLEL_SLOT, cg_parallel_slot_device)
#endif // MAME_BUS_CGENIE_PARALLEL_PARALLEL_H
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