summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/machine/vp620.h
blob: 6c4ac1eb8d8d78baaba740724f880dfac4be102f (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
/**********************************************************************

    RCA VIP ASCII Keyboard Interface VP-620 emulation

    Copyright MESS Team.
    Visit http://mamedev.org for licensing and usage restrictions.

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

#pragma once

#ifndef __VP620__
#define __VP620__

#include "emu.h"
#include "machine/keyboard.h"
#include "machine/vip_byteio.h"



//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> vp620_device

class vp620_device : public device_t,
						public device_vip_byteio_port_interface
{
public:
	// construction/destruction
	vp620_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

	// optional information overrides
	virtual machine_config_constructor device_mconfig_additions() const;

	// not really public
	DECLARE_WRITE8_MEMBER( kb_w );

protected:
	// device-level overrides
	virtual void device_start();

	// device_vip_byteio_port_interface overrides
	virtual UINT8 vip_in_r();
	virtual int vip_ef4_r();

private:
	UINT8 m_keydata;
	int m_keystb;
};


// device type definition
extern const device_type VP620;


#endif