blob: 1bc0a913a54e4b2b582f17fa36d1c5c9e81327c2 (
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
|
/**********************************************************************
Serial Box 64K Serial Port Buffer emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __SERIAL_BOX__
#define __SERIAL_BOX__
#include "emu.h"
#include "cpu/m6502/m65c02.h"
#include "machine/cbmiec.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define SERIAL_BOX_TAG "serialbox"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> serial_box_device
class serial_box_device : public device_t,
public device_cbm_iec_interface
{
public:
// construction/destruction
serial_box_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_cbm_iec_interface overrides
void cbm_iec_atn(int state);
void cbm_iec_data(int state);
void cbm_iec_reset(int state);
private:
required_device<m65c02_device> m_maincpu;
};
// device type definition
extern const device_type SERIAL_BOX;
#endif
|