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
87
88
89
90
91
92
93
94
|
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Acorn Archimedes RTFM Joystick Interface
**********************************************************************/
#include "emu.h"
#include "rtfmjoy.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(ARC_RTFM_JOY, arc_rtfm_joystick_device, "arc_rtfmjoy", "Acorn Archimedes RTFM Joystick Interface");
//-------------------------------------------------
// INPUT_PORTS( rtfm_joystick )
//-------------------------------------------------
static INPUT_PORTS_START( rtfm_joystick )
PORT_START("JOY0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(1)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(1)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(1)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(1)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Fire") PORT_PLAYER(1)
PORT_START("JOY1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(2)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(2)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(2)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(2)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Fire") PORT_PLAYER(2)
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor arc_rtfm_joystick_device::device_input_ports() const
{
return INPUT_PORTS_NAME( rtfm_joystick );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// archimedes_rtfm_joystick_device - constructor
//-------------------------------------------------
arc_rtfm_joystick_device::arc_rtfm_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock)
: device_t(mconfig, ARC_RTFM_JOY, tag, owner, clock)
, device_archimedes_econet_interface(mconfig, *this)
, m_joy(*this, "JOY%u", 0U)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void arc_rtfm_joystick_device::device_start()
{
}
//**************************************************************************
// IMPLEMENTATION
//**************************************************************************
u8 arc_rtfm_joystick_device::read(offs_t offset)
{
u8 data = 0xff;
switch (offset & 0x03)
{
case 0x01:
data = ~m_joy[0]->read() & 0x1f;
break;
case 0x02:
data = ~m_joy[1]->read() & 0x1f;
break;
}
return data;
}
|