blob: e8c5433f5d47a0557cf1b39e45a7302391ba38bd (
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
|
// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_MACHINE_CEDAR_MAGNET_FLOP_H
#define MAME_MACHINE_CEDAR_MAGNET_FLOP_H
#pragma once
DECLARE_DEVICE_TYPE(CEDAR_MAGNET_FLOP, cedar_magnet_flop_device)
#include "machine/nvram.h"
class cedar_magnet_flop_device : public device_t
{
public:
// construction/destruction
cedar_magnet_flop_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
u8 port60_r();
u8 port61_r();
u8 port63_r();
void port60_w(u8 data);
void port62_w(u8 data);
void port63_w(u8 data);
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
private:
required_region_ptr<u8> m_disk;
u8 m_flopdat;
u8 m_flopcmd;
u8 m_flopsec;
u8 m_flopstat;
u8 m_floptrk;
u8 m_curtrack;
int m_secoffs;
};
#endif // MAME_MACHINE_CEDAR_MAGNET_FLOP_H
|