summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/adamnet/ddp.h
blob: aaeeb32af694dcc89ad399845fa7cf10867d15b2 (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
54
55
56
57
58
59
60
61
62
63
64
65
66
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************

    Coleco Adam Digital Data Pack emulation

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

#ifndef MAME_BUS_ADAMNET_DDP_H
#define MAME_BUS_ADAMNET_DDP_H

#pragma once

#include "adamnet.h"
#include "cpu/m6800/m6801.h"
#include "formats/adam_cas.h"
#include "imagedev/cassette.h"



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

// ======================> adam_digital_data_pack_device

class adam_digital_data_pack_device :  public device_t,
										public device_adamnet_card_interface
{
public:
	// construction/destruction
	adam_digital_data_pack_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);

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

	// optional information overrides
	virtual const tiny_rom_entry *device_rom_region() const override;
	virtual void device_add_mconfig(machine_config &config) override;

	// device_adamnet_card_interface overrides
	virtual void adamnet_reset_w(int state) override;

private:
	required_device<m6801_cpu_device> m_maincpu;
	required_device<cassette_image_device> m_ddp0;
	required_device<cassette_image_device> m_ddp1;

	int m_wr0;
	int m_wr1;
	int m_track;

	void p1_w(uint8_t data);
	uint8_t p2_r();
	void p2_w(uint8_t data);
	uint8_t p4_r();

	void adam_ddp_mem(address_map &map);
};


// device type definition
DECLARE_DEVICE_TYPE(ADAM_DDP, adam_digital_data_pack_device)

#endif // MAME_BUS_ADAMNET_DDP_H