summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/bbc/userport/lvlecho.cpp
blob: 05d8c4b55c653bddcf0d6ab8947df1a508d50458 (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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************

    LVL Echo Keyboard

    Notes:
    - the Echo is a 3 octave keyboard with 37 keys, but the software seems to
      support a 5 octave keyboard.
    - keys 33, 34, 35 are polled additionally for an unknown reason, maybe an
      octave offset switch?

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

#include "emu.h"
#include "lvlecho.h"


namespace {

class bbc_lvlecho_device : public device_t, public device_bbc_userport_interface
{
public:
	bbc_lvlecho_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
		: device_t(mconfig, BBC_LVLECHO, tag, owner, clock)
		, device_bbc_userport_interface(mconfig, *this)
		, m_kbd(*this, "KEY_%u", 0)
		, m_key(0)
	{
	}

protected:
	// device_t overrides
	virtual void device_start() override ATTR_COLD;

	// optional information overrides
	virtual ioport_constructor device_input_ports() const override ATTR_COLD;

	virtual uint8_t pb_r() override
	{
		return m_kbd[m_key]->read();
	}

	virtual void pb_w(uint8_t data) override
	{
		m_key = data & 0x3f;
	}

private:
	required_ioport_array<64> m_kbd;

	uint8_t m_key;
};


//-------------------------------------------------
//  input_ports - device-specific input ports
//-------------------------------------------------

static INPUT_PORTS_START( lvlecho )
	PORT_START("KEY_0")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_C2

	PORT_START("KEY_1")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_CS2

	PORT_START("KEY_2")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_D2

	PORT_START("KEY_3")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_DS2

	PORT_START("KEY_4")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_E2

	PORT_START("KEY_5")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_F2

	PORT_START("KEY_6")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_FS2

	PORT_START("KEY_7")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_G2

	PORT_START("KEY_8")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_GS2

	PORT_START("KEY_9")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_A2

	PORT_START("KEY_10")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_AS2

	PORT_START("KEY_11")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_B2

	PORT_START("KEY_12")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_C3  PORT_CODE(KEYCODE_TAB)

	PORT_START("KEY_13")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_CS3 PORT_CODE(KEYCODE_1)

	PORT_START("KEY_14")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_D3  PORT_CODE(KEYCODE_Q)

	PORT_START("KEY_15")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_DS3 PORT_CODE(KEYCODE_2)

	PORT_START("KEY_16")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_E3  PORT_CODE(KEYCODE_W)

	PORT_START("KEY_17")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_F3  PORT_CODE(KEYCODE_E)

	PORT_START("KEY_18")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_FS3 PORT_CODE(KEYCODE_4)

	PORT_START("KEY_19")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_G3  PORT_CODE(KEYCODE_R)

	PORT_START("KEY_20")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_GS3 PORT_CODE(KEYCODE_5)

	PORT_START("KEY_21")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_A3  PORT_CODE(KEYCODE_T)

	PORT_START("KEY_22")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_AS3 PORT_CODE(KEYCODE_6)

	PORT_START("KEY_23")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_B3  PORT_CODE(KEYCODE_Y)

	PORT_START("KEY_24")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_C4  PORT_CODE(KEYCODE_U)

	PORT_START("KEY_25")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_CS4 PORT_CODE(KEYCODE_8)

	PORT_START("KEY_26")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_D4  PORT_CODE(KEYCODE_I)

	PORT_START("KEY_27")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_DS4 PORT_CODE(KEYCODE_9)

	PORT_START("KEY_28")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_E4  PORT_CODE(KEYCODE_O)

	PORT_START("KEY_29")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_F4  PORT_CODE(KEYCODE_P)

	PORT_START("KEY_30")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_FS4 PORT_CODE(KEYCODE_A)

	PORT_START("KEY_31")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_G4  PORT_CODE(KEYCODE_Z)

	PORT_START("KEY_32")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_GS4 PORT_CODE(KEYCODE_S)

	PORT_START("KEY_33")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_A4  PORT_CODE(KEYCODE_X)

	PORT_START("KEY_34")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_AS4 PORT_CODE(KEYCODE_D)

	PORT_START("KEY_35")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_B4  PORT_CODE(KEYCODE_C)

	PORT_START("KEY_36")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_C5  PORT_CODE(KEYCODE_V)

	PORT_START("KEY_37")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_CS5 PORT_CODE(KEYCODE_G)

	PORT_START("KEY_38")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_D5  PORT_CODE(KEYCODE_B)

	PORT_START("KEY_39")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_DS5 PORT_CODE(KEYCODE_H)

	PORT_START("KEY_40")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_E5  PORT_CODE(KEYCODE_N)

	PORT_START("KEY_41")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_F5  PORT_CODE(KEYCODE_M)

	PORT_START("KEY_42")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_FS5 PORT_CODE(KEYCODE_K)

	PORT_START("KEY_43")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_G5  PORT_CODE(KEYCODE_COMMA)

	PORT_START("KEY_44")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_GS5 PORT_CODE(KEYCODE_L)

	PORT_START("KEY_45")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_A5  PORT_CODE(KEYCODE_STOP)

	PORT_START("KEY_46")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_AS5 PORT_CODE(KEYCODE_COLON)

	PORT_START("KEY_47")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_B5  PORT_CODE(KEYCODE_SLASH)

	PORT_START("KEY_48")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_C6  PORT_CODE(KEYCODE_RSHIFT)

	PORT_START("KEY_49")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_CS6

	PORT_START("KEY_50")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_D6

	PORT_START("KEY_51")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_DS6

	PORT_START("KEY_52")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_E6

	PORT_START("KEY_53")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_F6

	PORT_START("KEY_54")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_FS6

	PORT_START("KEY_55")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_G6

	PORT_START("KEY_56")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_GS6

	PORT_START("KEY_57")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_A6

	PORT_START("KEY_58")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_AS6

	PORT_START("KEY_59")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_B6

	PORT_START("KEY_60")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_GM_C7

	PORT_START("KEY_61")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("KEY_62")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("KEY_63")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
INPUT_PORTS_END

ioport_constructor bbc_lvlecho_device::device_input_ports() const
{
	return INPUT_PORTS_NAME( lvlecho );
}


//-------------------------------------------------
//  device_start - device-specific startup
//-------------------------------------------------

void bbc_lvlecho_device::device_start()
{
	save_item(NAME(m_key));
}

} // anonymous namespace


DEFINE_DEVICE_TYPE_PRIVATE(BBC_LVLECHO, device_bbc_userport_interface, bbc_lvlecho_device, "bbc_lvlecho", "LVL Echo Keyboard")