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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
ColecoVision cartridge port emulation
**********************************************************************
D2 1 2 /C000
D1 3 4 D3
D0 5 6 D4
A0 7 8 D5
A1 9 10 D6
A2 11 12 D7
SHLD 13 14 A11
A3 15 16 A10
A4 17 18 /8000
A13 19 20 A14
A5 21 22 /A000
A6 23 24 A12
A7 25 26 A9
/E000 27 28 A8
GND 29 30 +5V
**********************************************************************/
#pragma once
#ifndef __COLECOVISION_CARTRIDGE_SLOT__
#define __COLECOVISION_CARTRIDGE_SLOT__
#include "emu.h"
#include "softlist_dev.h"
//**************************************************************************
// CONSTANTS
//**************************************************************************
#define COLECOVISION_CARTRIDGE_SLOT_TAG "cartslot"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_COLECOVISION_CARTRIDGE_SLOT_ADD(_tag, _slot_intf, _def_slot) \
MCFG_DEVICE_ADD(_tag, COLECOVISION_CARTRIDGE_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> colecovision_cartridge_slot_device
class device_colecovision_cartridge_interface;
class colecovision_cartridge_slot_device : public device_t,
public device_slot_interface,
public device_image_interface
{
public:
// construction/destruction
colecovision_cartridge_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~colecovision_cartridge_slot_device() { }
// computer interface
uint8_t bd_r(address_space &space, offs_t offset, uint8_t data, int _8000, int _a000, int _c000, int _e000);
protected:
// device-level overrides
virtual void device_config_complete() override { update_names(); }
virtual void device_start() override;
// image-level overrides
virtual image_init_result call_load() override;
virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }
virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
virtual bool is_readable() const override { return 1; }
virtual bool is_writeable() const override { return 0; }
virtual bool is_creatable() const override { return 0; }
virtual bool must_be_loaded() const override { return 0; }
virtual bool is_reset_on_load() const override { return 1; }
virtual const char *image_interface() const override { return ":coleco_cart"; }
virtual const char *file_extensions() const override { return "rom,col,bin"; }
// slot interface overrides
virtual std::string get_default_card_software() override;
device_colecovision_cartridge_interface *m_card;
};
// ======================> device_colecovision_cartridge_interface
class device_colecovision_cartridge_interface : public device_slot_card_interface
{
friend class colecovision_cartridge_slot_device;
public:
// construction/destruction
device_colecovision_cartridge_interface(const machine_config &mconfig, device_t &device);
virtual ~device_colecovision_cartridge_interface() { }
virtual uint8_t bd_r(address_space &space, offs_t offset, uint8_t data, int _8000, int _a000, int _c000, int _e000) { return 0xff; }
void rom_alloc(size_t size);
protected:
uint8_t *m_rom;
size_t m_rom_size;
colecovision_cartridge_slot_device *m_slot;
};
// device type definition
extern const device_type COLECOVISION_CARTRIDGE_SLOT;
SLOT_INTERFACE_EXTERN( colecovision_cartridges );
#endif
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