summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/machine/ms7004.c
blob: b145479db2b942398cde34742fb9573b8357c211 (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
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
/*
    Electronika MS 7004 keyboard (DEC LK-201 workalike with extra keys
    for Cyrillic characters).

    To do:
    - debug keymap
    - receive data from host (not used by KSM but used by other boards)
    - connect LEDs and speaker
*/

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

#define VERBOSE_DBG 1       /* general debug messages */

#define DBG_LOG(N,M,A) \
	do { \
	if(VERBOSE_DBG>=N) \
		{ \
			logerror("%11.6f at %s: ",machine().time().as_double(),machine().describe_context()); \
			logerror A; \
		} \
	} while (0)

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

#define MS7004_CPU_TAG   "i8048"
#define MS7004_SPK_TAG   "beeper"


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

const device_type MS7004 = &device_creator<ms7004_device>;

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
//-------------------------------------------------

static ADDRESS_MAP_START( ms7004_map, AS_IO, 8, ms7004_device )
	AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(p1_w)
	AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(p2_w)
	AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(t1_r)
	AM_RANGE(MCS48_PORT_PROG, MCS48_PORT_PROG) AM_DEVWRITE("i8243", i8243_device, i8243_prog_w)
ADDRESS_MAP_END

//-------------------------------------------------
//  MACHINE_CONFIG
//-------------------------------------------------

static MACHINE_CONFIG_FRAGMENT( ms7004 )
	MCFG_CPU_ADD(MS7004_CPU_TAG, I8048, XTAL_4_608MHz)
	MCFG_CPU_IO_MAP(ms7004_map)

	MCFG_I8243_ADD("i8243", NOOP, WRITE8(ms7004_device, i8243_port_w))

	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_ADD(MS7004_SPK_TAG, BEEP, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END


//-------------------------------------------------
//  machine_config_additions - device-specific
//  machine configurations
//-------------------------------------------------

machine_config_constructor ms7004_device::device_mconfig_additions() const
{
	return MACHINE_CONFIG_NAME( ms7004 );
}

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

//-------------------------------------------------
//  INPUT_PORTS( ms7004 )
//-------------------------------------------------
/*
bit	sig	XSn	ВРn
---	---	---	---
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_NAME("Print Screen (F2)") PORT_CODE(KEYCODE_F2)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Hold Screen (F1)") PORT_CODE(KEYCODE_F1)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) // '{' / '|'
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) // '+'
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) // what
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LShift") PORT_CODE(KEYCODE_LSHIFT)

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

	PORT_START("KBD14")	// vertical row 3
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Break (F5)") PORT_CODE(KEYCODE_F5)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE(KEYCODE_U)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tilde") PORT_CODE(KEYCODE_TILDE) // ^
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE(KEYCODE_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_NAME("3") PORT_CODE(KEYCODE_3)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE(KEYCODE_K)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE(KEYCODE_W)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_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_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE(KEYCODE_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_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE(KEYCODE_N)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE(KEYCODE_G)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE(KEYCODE_T)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_I)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)

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

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

	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_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE(KEYCODE_H)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_V)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH)

	PORT_START("KBD6")	// vertical row 10
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BS (F12)") PORT_CODE(KEYCODE_F12)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LF (F13)") PORT_CODE(KEYCODE_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_NAME("'") PORT_CODE(KEYCODE_QUOTE) // ':'
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) // 'ъ'
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)

	PORT_START("KBD5")	// vertical row 11
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Additional Options (F14)") PORT_CODE(KEYCODE_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_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) // ??? 
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RShift") PORT_CODE(KEYCODE_RSHIFT)
	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_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Insert Here") PORT_CODE(KEYCODE_HOME)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Find") PORT_CODE(KEYCODE_INSERT)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Select") PORT_CODE(KEYCODE_DEL)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Up") PORT_CODE(KEYCODE_UP)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Left") PORT_CODE(KEYCODE_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_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Next [v]") PORT_CODE(KEYCODE_PGDN)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Previous [^]") PORT_CODE(KEYCODE_END)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Down") PORT_CODE(KEYCODE_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_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_NUMLOCK)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 7") PORT_CODE(KEYCODE_7_PAD)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 4") PORT_CODE(KEYCODE_4_PAD)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 1") PORT_CODE(KEYCODE_1_PAD)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 2") PORT_CODE(KEYCODE_2_PAD)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 0") PORT_CODE(KEYCODE_0_PAD)

	PORT_START("KBD0")	// vertical row 15
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F17")
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F18")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_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_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 5") PORT_CODE(KEYCODE_5_PAD)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 6") PORT_CODE(KEYCODE_6_PAD)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 3") PORT_CODE(KEYCODE_3_PAD)

	PORT_START("KBD4")	// vertical row 16
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F19")
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F20")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_MINUS_PAD)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 9") PORT_CODE(KEYCODE_9_PAD)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num ,") PORT_CODE(KEYCODE_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)  // "." on num.pad
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_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 clock)
	: device_t(mconfig, MS7004, "MS7004 keyboard", tag, owner, clock, "ms7004", __FILE__),
//	device_serial_interface(mconfig, *this),
	m_maincpu(*this, MS7004_CPU_TAG),
	m_speaker(*this, MS7004_SPK_TAG),
	m_i8243(*this, "i8243"),
	m_kbd0(*this, "KBD0"),
	m_kbd1(*this, "KBD1"),
	m_kbd2(*this, "KBD2"),
	m_kbd3(*this, "KBD3"),
	m_kbd4(*this, "KBD4"),
	m_kbd5(*this, "KBD5"),
	m_kbd6(*this, "KBD6"),
	m_kbd7(*this, "KBD7"),
	m_kbd8(*this, "KBD8"),
	m_kbd9(*this, "KBD9"),
	m_kbd10(*this, "KBD10"),
	m_kbd11(*this, "KBD11"),
	m_kbd12(*this, "KBD12"),
	m_kbd13(*this, "KBD13"),
	m_kbd14(*this, "KBD14"),
	m_kbd15(*this, "KBD15"),
	m_tx_handler(*this)
{
}

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

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


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

void ms7004_device::device_reset()
{
}


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

WRITE8_MEMBER( ms7004_device::p1_w )
{
	/*
	    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
	*/
	DBG_LOG(1,0,( "%s: p1_w %02x = send %d\n", tag(), data, BIT(data, 7)));

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


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

WRITE8_MEMBER( ms7004_device::p2_w )
{
	/*
	    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"
	*/
	DBG_LOG(2,0,( "%s: p2_w %02x = col %d\n", tag(), data, data&15));

	m_p2 = data;
	m_i8243->i8243_p2_w(space, offset, data);
}


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

WRITE8_MEMBER( ms7004_device::i8243_port_w )
{
	int sense = 0;

	DBG_LOG(2,0,( "%s: 8243 port %d data %02xH\n",
		tag(), offset + 4, data));
	
	if (data) {
		switch(offset << 4 | data) {
			case 0x01: sense = m_kbd0->read(); break;
			case 0x02: sense = m_kbd1->read(); break;
			case 0x04: sense = m_kbd2->read(); break;
			case 0x08: sense = m_kbd3->read(); break;
			case 0x11: sense = m_kbd4->read(); break;
			case 0x12: sense = m_kbd5->read(); break;
			case 0x14: sense = m_kbd6->read(); break;
			case 0x18: sense = m_kbd7->read(); break;
			case 0x21: sense = m_kbd8->read(); break;
			case 0x22: sense = m_kbd9->read(); break;
			case 0x24: sense = m_kbd10->read(); break;
			case 0x28: sense = m_kbd11->read(); break;
			case 0x31: sense = m_kbd12->read(); break;
			case 0x32: sense = m_kbd13->read(); break;
			case 0x34: sense = m_kbd14->read(); break;
			case 0x38: sense = m_kbd15->read(); break;
		}
		m_keylatch = BIT(sense, (m_p1 & 7));
		DBG_LOG(2,0,( "%s: row %d col %02x t1 %d\n",
			tag(), (m_p1 & 7), (offset << 4 | data), m_keylatch));
	}
}


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

READ8_MEMBER( ms7004_device::t1_r )
{
	if (!BIT(m_p1,4))
		return m_keylatch;
	else
		return 0;
}