summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/includes/specpls3.h
blob: be0ebb6ca911802d095ddc4abb0ebeac9f24bc0a (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:GPL-2.0+
// copyright-holders:Kevin Thacker
/*****************************************************************************
 *
 * includes/specpls3.h
 *
 ****************************************************************************/

#ifndef MAME_INCLUDES_SPECPLS3_H
#define MAME_INCLUDES_SPECPLS3_H

#include "spectrum.h"
#include "spec128.h"

#include "imagedev/floppy.h"
#include "machine/upd765.h"

INPUT_PORTS_EXTERN( spec_plus );

class specpls3_state : public spectrum_state
{
public:
	specpls3_state(const machine_config &mconfig, device_type type, const char *tag) :
		spectrum_state(mconfig, type, tag),
		m_upd765(*this, "upd765"),
		m_flop(*this, "upd765:%u", 0U)
	{ }

	void spectrum_plus2(machine_config &config);
	void spectrum_plus3(machine_config &config);

private:
	void bank1_w(offs_t offset, uint8_t data);
	uint8_t bank1_r(offs_t offset);
	void port_3ffd_w(uint8_t data);
	uint8_t port_3ffd_r();
	uint8_t port_2ffd_r();
	void port_7ffd_w(uint8_t data);
	void port_1ffd_w(uint8_t data);
	void plus3_us_w(uint8_t data);

	DECLARE_MACHINE_RESET(spectrum_plus3);

	virtual void plus3_update_memory() override;

	void plus3_io(address_map &map);
	void plus3_mem(address_map &map);

	optional_device<upd765a_device> m_upd765;
	optional_device_array<floppy_connector, 2> m_flop;
};

#endif // MAME_INCLUDES_SPECPLS3_H