summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/a2bus/a2lang.h
blob: da600f06b232cb81b2a1a468515f11fe17f73d13 (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
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************

    a2lang.h

    Apple II Language Card

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

#ifndef __A2BUS_LANG__
#define __A2BUS_LANG__

#include "emu.h"
#include "a2bus.h"

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

class a2bus_lang_device:
	public device_t,
	public device_a2bus_card_interface
{
public:
	// construction/destruction
	a2bus_lang_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
	a2bus_lang_device(const machine_config &mconfig, device_type type, const char *name, std::string tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

	virtual UINT8 read_c0nx(address_space &space, UINT8 offset) override;
	virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data) override;

private:
	void langcard_touch(offs_t offset);

	int last_offset;
};

// device type definition
extern const device_type A2BUS_LANG;

#endif  /* __A2BUS_LANG__ */