blob: 07c5ffc35c4399bbf9267636daffede26a9ae713 (
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
|
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
BT Merlin M2105
**********************************************************************/
#ifndef MAME_BUS_ELECTRON_M2105_M
#define MAME_BUS_ELECTRON_M2105_M
#pragma once
#include "exp.h"
#include "machine/6522via.h"
#include "machine/mc68681.h"
#include "machine/nvram.h"
#include "machine/input_merger.h"
#include "machine/tms6100.h"
#include "sound/tms5220.h"
#include "bus/centronics/ctronics.h"
#include "bus/rs232/rs232.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class electron_m2105_device:
public device_t,
public device_electron_expansion_interface
{
public:
// construction/destruction
electron_m2105_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual void device_start() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual uint8_t expbus_r(offs_t offset) override;
virtual void expbus_w(offs_t offset, uint8_t data) override;
private:
required_memory_region m_exp_rom;
required_device<nvram_device> m_nvram;
required_device_array<via6522_device, 2> m_via;
required_device<scn2681_device> m_duart;
std::unique_ptr<uint8_t[]> m_ram;
uint8_t m_ram_page;
uint8_t m_romsel;
};
// device type definition
DECLARE_DEVICE_TYPE(ELECTRON_M2105, electron_m2105_device)
#endif // MAME_BUS_ELECTRON_M2105_M
|