summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/machine/ms7004.cpp
blob: d1560d815551b219b009a977c91ab6907d754569 (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
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/*
    Elektronika MS 7004 keyboard (DEC LK-201 workalike with extra keys
    for Cyrillic characters).

    To do:
    - connect LEDs and speaker
*/

#include "emu.h"
#include "ms7004.h"
#include "speaker.h"


//#define LOG_GENERAL (1U <<  0) //defined in logmacro.h already
#define LOG_DEBUG     (1U <<  1)

//#define VERBOSE (LOG_GENERAL | LOG_DEBUG)
//#define LOG_OUTPUT_FUNC printf
#include "logmacro.h"

#define LOGDBG(...) LOGMASKED(LOG_DEBUG, __VA_ARGS__)


//**************************************************************************
//  MACROS / CONSTANTS
//**************************************************************************

#define MS7004_CPU_TAG   "i8035"
#define MS7004_SPK_TAG   "beeper"


//**************************************************************************
//  DEVICE DEFINITIONS
//**************************************************************************

DEFINE_DEVICE_TYPE(MS7004, ms7004_device, "ms7004", "MS7004 keyboard")

ROM_START( ms7004 )
	ROM_REGION (0x800, MS7004_CPU_TAG, 0)
	ROM_LOAD ("mc7004_keyboard_original.rom", 0x0000, 0x800, CRC(69fcab53) SHA1(2d7cc7cd182f2ee09ecf2c539e33db3c2195f778))
ROM_END

//-------------------------------------------------
//  ADDRESS_MAP
//-------------------------------------------------

void ms7004_device::ms7004_map(address_map &map)
{
	map(0x0000, 0x07ff).rom();
}


//-------------------------------------------------
//  device_add_mconfig - add device configuration
//-------------------------------------------------

void ms7004_device::device_add_mconfig(machine_config &config)
{
	I8035(config, m_maincpu, XTAL(4'608'000));
	m_maincpu->set_addrmap(AS_PROGRAM, &ms7004_device::ms7004_map);
	m_maincpu->p1_out_cb().set(FUNC(ms7004_device::p1_w));
	m_maincpu->p2_out_cb().set(FUNC(ms7004_device::p2_w));
	m_maincpu->t1_in_cb().set(FUNC(ms7004_device::t1_r));
	m_maincpu->prog_out_cb().set(m_i8243, FUNC(i8243_device::prog_w));

	I8243(config, m_i8243);
	m_i8243->p4_out_cb().set(FUNC(ms7004_device::i8243_port_w<0>));
	m_i8243->p5_out_cb().set(FUNC(ms7004_device::i8243_port_w<1>));
	m_i8243->p6_out_cb().set(FUNC(ms7004_device::i8243_port_w<2>));
	m_i8243->p7_out_cb().set(FUNC(ms7004_device::i8243_port_w<3>));

	SPEAKER(config, "mono").front_center();
	BEEP(config, m_speaker, 3250).add_route(ALL_OUTPUTS, "mono", 0.50);
}

const tiny_rom_entry *ms7004_device::device_rom_region() const
{
	return ROM_NAME( ms7004 );
}

//-------------------------------------------------
//  INPUT_PORTS( ms7004 )
//-------------------------------------------------
/*
bit sig XSn ????n
--- --- --- ---
0   8   16  15
1   9   15  14
2   10  14  13
3   11  13  12
4   12  19  16
5   13  12  11
6   14  11  10
7   15  10  9
8   16  9   8
9   17  8   7
10  18  7   6
11  19  6   5
12  20  3   1
13  21  1   2
14  22  4   3
15  23  5   4

0xc9    KEY_LANGLE_RANGLE   'резервная клавиша'
0xbc    KEY_DELETE  ЗБ
0xbd    KEY_RETURN  ВК
0xbf    KEY_TILDE   '; +'
0xc4    -       'Ъ'
0xca    -       '/ ?'
0xed    KEY_PERIOD  'Ю @'
0xf1    -       '_'
<...>

0x56    KEY_F1      СТОП КАДР
0x57    KEY_F2      ПЕЧАТЬ КАДРА
0x58    KEY_F3      ПАУЗА
0x59    KEY_F4      УСТ РЕЖИМА
0x5a    KEY_F5      Ф5

0x64    KEY_F6      ПРЕРЫВ
0x65    KEY_F7      ПРОДОЛЖ
0x66    KEY_F8      ОТМЕН
0x67    KEY_F9      ОСНОВН КАДР
0x69    KEY_F10     ВЫХОД

0x71    KEY_F11     Ф11 (АР2)
0x72    KEY_F12     Ф12 (ВШ)
0x73    KEY_F13     Ф13 (ПС)
0x74    KEY_F14     ДОП ВАРИАНТ

0x7c    KEY_HELP    ПМ
0x7d    KEY_MENU    ИСП

0x80    KEY_F17     Ф17
0x81    KEY_F18     Ф18
0x82    KEY_F19     Ф19
0x83    KEY_F20     Ф20

0xb0    KEY_LOCK    ФКС
0xae    KEY_SHIFT   ВР
0xaf    KEY_CTRL    СУ

0xb1    KEY_META    КМП
0xb2    -       РУС/ЛАТ

0x8a    KEY_FIND    НТ
0x8b    KEY_INSERT_HERE ВСТ
0x8c    KEY_REMOVE  УДАЛ
0x8d    KEY_SELECT  ВЫБР
0x8e    KEY_PREV_SCREEN ПРЕД КАДР
0x8f    KEY_NEXT_SCREEN СЛЕД КАДР

nothing sends '@' or '`'

`/~ sends ^/~
2/@ sends 2/"
6/^ sends 6/&
7/& sends 7/'
8 * sends 8/(
9/( sends 9/)
0/) sends 0/0
-/_ sends _/_
+/= sends -/=
;/: sends ;/+
'/" sends : *

F10 sends ^C
F11 sends ESC
F12 sends ^H
*/
INPUT_PORTS_START( ms7004 )
	PORT_START("KBD12") // vertical row 1
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Hold Screen (F1)") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) // '{' / '|'
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)

	PORT_START("KBD13") // vertical row 2
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Setup (F3)") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Data / Talk (F4)") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Rus/Lat") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Compose") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))

	PORT_START("KBD14") // vertical row 3
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Break (F5)") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("KBD15") // vertical row 4
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("KBD11") // vertical row 5
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Interrupt (F6)") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("KBD10") // vertical row 6
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Resume (F7)") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_CHAR(' ')

	PORT_START("KBD9")  // vertical row 7
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Cancel (F8)") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Main Screen (F9)") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')

	PORT_START("KBD8")  // vertical row 8
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Exit (F10)") PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('@') PORT_CHAR('`')
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')

	PORT_START("KBD7")  // vertical row 9
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ESC (F11)") PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')

	PORT_START("KBD6")  // vertical row 10
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BS (F12)") PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LF (F13)") PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) // '}'
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*')
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) // sends '_'
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('_') PORT_CHAR('_')

	PORT_START("KBD5")  // vertical row 11
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Additional Options (F14)") PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(PAUSE))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Delete <X") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) // sends LF
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("KBD3")  // vertical row 12
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Help (F15)") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Insert Here") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Find") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Select") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("KBD2")  // vertical row 13
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Remove") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Next [v]") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN))
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Previous [^]") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("KBD1")  // vertical row 14
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Do (F16)") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))

	PORT_START("KBD0")  // vertical row 15
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F17) PORT_CHAR(UCHAR_MAMEKEY(F17))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F18) PORT_CHAR(UCHAR_MAMEKEY(F18))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD))
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF3") PORT_CODE(KEYCODE_ASTERISK)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 8") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))

	PORT_START("KBD4")  // vertical row 16
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F19) PORT_CHAR(UCHAR_MAMEKEY(F19))
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F20) PORT_CHAR(UCHAR_MAMEKEY(F20))
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num ,") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num -")
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num .") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))  // "." on num.pad
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
INPUT_PORTS_END


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

ioport_constructor ms7004_device::device_input_ports() const
{
	return INPUT_PORTS_NAME( ms7004 );
}

//**************************************************************************
//  LIVE DEVICE
//**************************************************************************

//-------------------------------------------------
//  ms7004_device - constructor
//-------------------------------------------------

ms7004_device::ms7004_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
	: device_t(mconfig, MS7004, tag, owner, clock),
	m_maincpu(*this, MS7004_CPU_TAG),
	m_speaker(*this, MS7004_SPK_TAG),
	m_i8243(*this, "i8243"),
	m_kbd(*this, "KBD%u", 0),
	m_tx_handler(*this),
	m_rts_handler(*this)
{
}

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

void ms7004_device::device_start()
{
	m_tx_handler.resolve_safe();
	m_rts_handler.resolve_safe();
}


//-------------------------------------------------
//  device_reset - device-specific reset
//-------------------------------------------------

void ms7004_device::device_reset()
{
	m_rts_handler(0);
}


WRITE_LINE_MEMBER( ms7004_device::write_rxd )
{
	m_maincpu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
}

//-------------------------------------------------
//  p1_w -
//-------------------------------------------------

void ms7004_device::p1_w(uint8_t data)
{
	/*
	    bit     description

	    0       Matrix row bit 0
	    1       Matrix row bit 1
	    2       Matrix row bit 2
	    3       Speaker
	    4       -STROBE (to matrix mux)
	    5       LED "Latin"
	    6
	    7       Serial TX
	*/
	LOGDBG("p1_w %02x = send %d\n", data, BIT(data, 7));

	m_p1 = data;
	m_tx_handler(BIT(data, 7));
}


//-------------------------------------------------
//  p2_w -
//-------------------------------------------------

void ms7004_device::p2_w(uint8_t data)
{
	/*
	    bit     description

	    0       Matrix columns, to 8243 (port 4)
	    1       Matrix columns, to 8243 (port 5)
	    2       Matrix columns, to 8243 (port 6)
	    3       Matrix columns, to 8243 (port 7)
	    4       LED "Wait"
	    5       LED "Compose"
	    6       LED "Caps"
	    7       LED "Hold"
	*/
	LOGDBG("p2_w %02x = col %d\n", data, data&15);

	m_p2 = data;
	m_i8243->p2_w(data);
}


//-------------------------------------------------
//  prog_w -
//-------------------------------------------------

template<int P>
void ms7004_device::i8243_port_w(uint8_t data)
{
	int sense = 0;

	LOGDBG("8243 port %d data %02xH\n", P + 4, data);

	if (data) {
		switch(data) {
			case 0x01: sense = m_kbd[(P << 2) + 0]->read(); break;
			case 0x02: sense = m_kbd[(P << 2) + 1]->read(); break;
			case 0x04: sense = m_kbd[(P << 2) + 2]->read(); break;
			case 0x08: sense = m_kbd[(P << 2) + 3]->read(); break;
		}
		m_keylatch = BIT(sense, (m_p1 & 7));
		if (m_keylatch)
		LOG("row %d col %02x t1 %d\n",
			(m_p1 & 7), (P << 4 | data), m_keylatch);
	}
}


//-------------------------------------------------
//  t1_r -
//-------------------------------------------------

READ_LINE_MEMBER( ms7004_device::t1_r )
{
	if (!BIT(m_p1,4))
		return m_keylatch;
	else
		return 0;
}