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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
oric.h - Oric 1/Atmos extension port
***************************************************************************/
#ifndef MAME_BUS_ORICEXT_ORICEXT_H
#define MAME_BUS_ORICEXT_ORICEXT_H
#pragma once
#include "cpu/m6502/m6502.h"
class device_oricext_interface;
class oricext_connector: public device_t, public device_single_card_slot_interface<device_oricext_interface>
{
friend class device_oricext_interface;
public:
template <typename T, typename U>
oricext_connector(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, const char *dflt, U &&cputag)
: oricext_connector(mconfig, tag, owner)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
set_cputag(std::forward<U>(cputag));
}
oricext_connector(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual ~oricext_connector();
template <typename T> void set_cputag(T &&tag) { cpu.set_tag(std::forward<T>(tag)); }
auto irq_callback() { return irq_handler.bind(); }
void irq_w(int state);
protected:
virtual void device_start() override;
devcb_write_line irq_handler;
required_device<m6502_device> cpu;
};
class device_oricext_interface : public device_interface
{
public:
DECLARE_WRITE_LINE_MEMBER(irq_w);
protected:
device_oricext_interface(const machine_config &mconfig, device_t &device);
virtual void interface_pre_start() override;
m6502_device *cpu;
oricext_connector *connector;
memory_bank *bank_c000_r, *bank_e000_r, *bank_f800_r, *bank_c000_w, *bank_e000_w, *bank_f800_w;
uint8_t *rom, *ram;
uint8_t junk_read[8192], junk_write[8192];
};
DECLARE_DEVICE_TYPE(ORICEXT_CONNECTOR, oricext_connector)
void oricext_intf(device_slot_interface &device);
#endif // MAME_BUS_ORICEXT_ORICEXT_H
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