blob: 71285642c3da24801d02c15cd4595fe88b0da329 (
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
|
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
a2themill.h
Implementation of the Stellation Two The Mill 6809 card
*********************************************************************/
#ifndef MAME_BUS_A2BUS_A2THEMILL_H
#define MAME_BUS_A2BUS_A2THEMILL_H
#pragma once
#include "a2bus.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_themill_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_themill_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
a2bus_themill_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
// overrides of standard a2bus slot functions
virtual uint8_t read_c0nx(uint8_t offset) override;
virtual void write_c0nx(uint8_t offset, uint8_t data) override;
virtual bool take_c800() override;
private:
required_device<cpu_device> m_6809;
required_ioport m_cfgsw;
bool m_bEnabled;
bool m_flipAddrSpace;
bool m_6809Mode;
uint8_t m_status;
uint8_t dma_r(offs_t offset);
void dma_w(offs_t offset, uint8_t data);
void m6809_mem(address_map &map);
};
// device type definition
DECLARE_DEVICE_TYPE(A2BUS_THEMILL, a2bus_themill_device)
#endif // MAME_BUS_A2BUS_A2THEMILL_H
|