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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
mouse.h
Implemention of the Apple II Mouse Card
*********************************************************************/
#ifndef MAME_DEVICES_A2BUS_MOUSE_H
#define MAME_DEVICES_A2BUS_MOUSE_H
#pragma once
#include "a2bus.h"
#include "machine/6821pia.h"
#include "cpu/m6805/m68705.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_mouse_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() const override;
protected:
a2bus_mouse_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
// overrides of standard a2bus slot functions
virtual uint8_t read_c0nx(uint8_t offset) override;
virtual void write_c0nx(uint8_t offset, uint8_t data) override;
virtual uint8_t read_cnxx(uint8_t offset) override;
DECLARE_WRITE8_MEMBER(pia_out_a);
DECLARE_WRITE8_MEMBER(pia_out_b);
DECLARE_WRITE_LINE_MEMBER(pia_irqa_w);
DECLARE_WRITE_LINE_MEMBER(pia_irqb_w);
DECLARE_READ8_MEMBER(mcu_port_a_r);
DECLARE_READ8_MEMBER(mcu_port_b_r);
DECLARE_WRITE8_MEMBER(mcu_port_a_w);
DECLARE_WRITE8_MEMBER(mcu_port_b_w);
DECLARE_WRITE8_MEMBER(mcu_port_c_w);
required_device<pia6821_device> m_pia;
required_device<m68705p_device> m_mcu;
required_ioport m_mouseb;
required_ioport_array<2> m_mousexy;
private:
template <unsigned AXIS, u8 DIR, u8 CLK> void update_axis();
required_region_ptr<uint8_t> m_rom;
int m_rom_bank;
uint8_t m_port_a_in, m_port_b_in;
int m_last[2], m_count[2];
};
// device type definition
DECLARE_DEVICE_TYPE(A2BUS_MOUSE, a2bus_mouse_device)
#endif // MAME_DEVICES_A2BUS_MOUSE_H
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