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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"
#define MCFG_ORICEXT_ADD(_tag, _slot_intf, _def_slot, _cputag, _irq) \
MCFG_DEVICE_ADD(_tag, ORICEXT_CONNECTOR, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
downcast<oricext_connector *>(device)->set_cputag(_cputag); \
downcast<oricext_connector &>(*device).set_irq_handler(DEVCB_##_irq);
class oricext_device;
class oricext_connector: public device_t, public device_slot_interface
{
public:
oricext_connector(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~oricext_connector();
void set_cputag(const char *tag);
template <class Object> devcb_base &set_irq_handler(Object &&cb) { return irq_handler.set_callback(std::forward<Object>(cb)); }
void irq_w(int state);
protected:
virtual void device_start() override;
virtual void device_config_complete() override;
devcb_write_line irq_handler;
const char *cputag;
};
class oricext_device : public device_t,
public device_slot_card_interface
{
public:
void set_cputag(const char *tag);
DECLARE_WRITE_LINE_MEMBER(irq_w);
protected:
oricext_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override;
const char *cputag;
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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