summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/machine/t10sbc.h
blob: b385f9664b58c872bfdc4cd4a8976c0a6d15f701 (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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
// license:BSD-3-Clause
// copyright-holders:smf
/***************************************************************************

t10sbc.h

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

#ifndef MAME_MACHINE_T10SBC_H
#define MAME_MACHINE_T10SBC_H

#pragma once

#include "t10spc.h"
#include "imagedev/harddriv.h"

class t10sbc : public virtual t10spc
{
public:
	t10sbc()
		: t10spc(), m_image(nullptr), m_lba(0), m_blocks(0), m_device(nullptr)
	{
	}

	virtual void ExecCommand() override;
	virtual void WriteData( uint8_t *data, int dataLength ) override;
	virtual void ReadData( uint8_t *data, int dataLength ) override;

protected:
	virtual void t10_start(device_t &device) override;
	virtual void t10_reset() override;

	struct format_page_t
	{
		uint8_t m_page_code;
		uint8_t m_page_length;
		uint8_t m_tracks_per_zone_msb;
		uint8_t m_tracks_per_zone_lsb;
		uint8_t m_alt_sectors_per_zone_msb;
		uint8_t m_alt_sectors_per_zone_lsb;
		uint8_t m_alt_tracks_per_zone_msb;
		uint8_t m_alt_tracks_per_zone_lsb;
		uint8_t m_alt_tracks_per_volume_msb;
		uint8_t m_alt_tracks_per_volume_lsb;
		uint8_t m_sectors_per_track_msb;
		uint8_t m_sectors_per_track_lsb;
		uint8_t m_bytes_per_sector_msb;
		uint8_t m_bytes_per_sector_lsb;
		uint8_t m_interleave_msb;
		uint8_t m_interleave_lsb;
		uint8_t m_track_skew_msb;
		uint8_t m_track_skew_lsb;
		uint8_t m_cylinder_skew_msb;
		uint8_t m_cylinder_skew_lsb;
		uint8_t m_format;
		uint8_t m_reserved[3];
	};

	struct geometry_page_t
	{
		uint8_t m_page_code;
		uint8_t m_page_length;
		uint8_t m_num_cylinders_msb;
		uint8_t m_num_cylinders_2nd;
		uint8_t m_num_cylinders_lsb;
		uint8_t m_num_heads;
		uint8_t m_start_cylinder_msb;
		uint8_t m_start_cylinder_2nd;
		uint8_t m_start_cylinder_lsb;
		uint8_t m_start_cylinder_rwc_msb;
		uint8_t m_start_cylinder_rwc_2nd;
		uint8_t m_start_cylinder_rwc_lsb;
		uint8_t m_step_rate_msb;
		uint8_t m_step_rate_lsb;
		uint8_t m_lz_cylinder_msb;
		uint8_t m_lz_cylinder_2nd;
		uint8_t m_lz_cylinder_lsb;
		uint8_t m_rot_pos_locking;
		uint8_t m_rot_offset;
		uint8_t m_reserved0;
		uint8_t m_rot_rate_msb;
		uint8_t m_rot_rate_lsb;
		uint8_t m_reserved1[2];
	};

	virtual void GetFormatPage( format_page_t *page );
	virtual void GetGeometryPage( geometry_page_t *page );
	virtual void ReadCapacity( uint8_t *data );

	harddisk_image_device *m_image;

	uint32_t m_lba;
	uint32_t m_blocks;

	device_t *m_device;
};

#endif // MAME_MACHINE_T10SBC_H