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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Coleco Adam Expansion Port emulation
**********************************************************************/
#ifndef MAME_BUS_ADAM_EXP_H
#define MAME_BUS_ADAM_EXP_H
#pragma once
#include "imagedev/cartrom.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> adam_expansion_slot_device
class device_adam_expansion_slot_card_interface;
class adam_expansion_slot_device : public device_t,
public device_single_card_slot_interface<device_adam_expansion_slot_card_interface>,
public device_cartrom_image_interface
{
public:
// construction/destruction
template <typename T>
adam_expansion_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, const XTAL &clock, T &&opts, char const *dflt)
: adam_expansion_slot_device(mconfig, tag, owner, clock)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
adam_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual ~adam_expansion_slot_device() { }
auto irq() { return m_write_irq.bind(); }
// computer interface
uint8_t bd_r(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2);
void bd_w(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2);
// cartridge interface
DECLARE_WRITE_LINE_MEMBER( irq_w ) { m_write_irq(state); }
protected:
// device-level overrides
virtual void device_start() override;
// image-level overrides
virtual image_init_result call_load() override;
virtual bool is_reset_on_load() const noexcept override { return true; }
virtual const char *image_interface() const noexcept override { return "adam_rom"; }
virtual const char *file_extensions() const noexcept override { return "bin,rom"; }
// slot interface overrides
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
devcb_write_line m_write_irq;
device_adam_expansion_slot_card_interface *m_card;
};
// ======================> device_adam_expansion_slot_card_interface
class device_adam_expansion_slot_card_interface : public device_interface
{
friend class adam_expansion_slot_device;
protected:
// construction/destruction
device_adam_expansion_slot_card_interface(const machine_config &mconfig, device_t &device);
// runtime
virtual uint8_t adam_bd_r(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { return data; }
virtual void adam_bd_w(offs_t offset, uint8_t data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) { }
adam_expansion_slot_device *m_slot;
std::unique_ptr<uint8_t[]> m_rom;
};
// device type definition
DECLARE_DEVICE_TYPE(ADAM_EXPANSION_SLOT, adam_expansion_slot_device)
void adam_slot1_devices(device_slot_interface &device);
void adam_slot2_devices(device_slot_interface &device);
void adam_slot3_devices(device_slot_interface &device);
#endif // MAME_BUS_ADAM_EXP_H
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