blob: 50ed8a19885d791c4986ef951d557251b0251b82 (
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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// license:BSD-3-Clause
// copyright-holders:Nathan Woods
/***************************************************************************
dgnalpha.h
Dragon Alpha
***************************************************************************/
#pragma once
#ifndef __DGNALPHA__
#define __DGNALPHA__
#include "includes/dragon.h"
#include "sound/ay8910.h"
#include "machine/wd17xx.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
/* devices */
#define PIA2_TAG "pia2"
#define AY8912_TAG "ay8912"
#define WD2797_TAG "wd2797"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class dragon_alpha_state : public dragon64_state
{
public:
dragon_alpha_state(const machine_config &mconfig, device_type type, const char *tag)
: dragon64_state(mconfig, type, tag),
m_pia_2(*this, PIA2_TAG),
m_ay8912(*this, AY8912_TAG),
m_fdc(*this, WD2797_TAG)
{
}
required_device<pia6821_device> m_pia_2;
required_device<ay8912_device> m_ay8912;
required_device<wd2797_device> m_fdc;
/* pia2 */
DECLARE_WRITE8_MEMBER( pia2_pa_w );
DECLARE_WRITE_LINE_MEMBER( pia2_firq_a );
DECLARE_WRITE_LINE_MEMBER( pia2_firq_b );
/* psg */
DECLARE_READ8_MEMBER( psg_porta_read );
DECLARE_WRITE8_MEMBER( psg_porta_write );
/* fdc */
DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );
protected:
/* driver overrides */
virtual void device_start(void);
virtual void device_reset(void);
/* interrupts */
virtual bool firq_get_line(void);
/* PIA1 */
virtual DECLARE_READ8_MEMBER( ff20_read );
virtual DECLARE_WRITE8_MEMBER( ff20_write );
private:
UINT8 m_just_reset;
/* modem */
UINT8 modem_r(offs_t offset);
void modem_w(offs_t offset, UINT8 data);
};
#endif /* __DGNALPHA__ */
|