summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/electron/pwrjoy.h
blob: be392a1c622f8bc6c169fedd159b5c45e69baef6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************

    Power Software Joystick Interface

**********************************************************************/

#ifndef MAME_BUS_ELECTRON_PWRJOY_H
#define MAME_BUS_ELECTRON_PWRJOY_H

#pragma once


#include "exp.h"

//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> electron_pwrjoy_device

class electron_pwrjoy_device :
	public device_t,
	public device_electron_expansion_interface
{
public:
	// construction/destruction
	electron_pwrjoy_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;

	virtual uint8_t expbus_r(address_space &space, offs_t offset, uint8_t data) override;
	virtual void expbus_w(address_space &space, offs_t offset, uint8_t data) override;

protected:
	// device-level overrides
	virtual void device_start() override;

private:
	required_memory_region m_exp_rom;
	required_ioport m_joy;

	uint8_t m_romsel;
};


// device type definition
DECLARE_DEVICE_TYPE(ELECTRON_PWRJOY, electron_pwrjoy_device)

#endif // MAME_BUS_ELECTRON_PWRJOY_H