summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/mephisto.cpp
blob: cb7b19f0f2bb275274f51eb6d805512d72ce21f3 (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
// license:LGPL-2.1+
// copyright-holders:Dirk Verwiebe, Cowering
/******************************************************************************
 Mephisto 4 + 5 Chess Computer
 2007 Dirk V.

CPU 65C02 P4
Clock 4.9152 MHz
NMI CLK 600 Hz
IRQ Line is set to VSS
8 KByte  SRAM Sony CXK5864-15l

1-CD74HC4060E   14 Bit Counter
1-CD74HC166E
1-CD74HC251E
1-SN74HC138N TI
1-SN74HC139N TI
1-74HC14AP Toshiba
1-74HC02AP Toshiba
1-74HC00AP Toshiba
1-CD74HC259E


$0000-$1fff   S-RAM
$2000 LCD 4 Byte Shift Register writeonly right to left
every 2nd char xor'd by $FF

2c00-2c07 Keyboard (8to1 Multiplexer) 74HCT251
2*8 Matrix
Adr. 0x3407
==0 !=0
2c00 CL E5
2c01 POS F6
2c02 MEMO G7
2c03 INFO A1
2c04 LEV H8
2c05 ENT B2
2c06 >0 C3
2c07 <9 D4

$3400-$3407 LED 1-6, Buzzer, Keyboard select

$2400 // Chess Board
$2800 // Chess Board
$3000 // Chess Board

$4000-7FFF Opening Modul HG550
$8000-$FFF ROM

Mephisto 4 Turbo Kit 18mhz - (mm4tk)
    This is a replacement rom combining the turbo kit initial rom with the original MM IV.
    The Turbo Kit powers up to it's tiny rom, copies itself to ram, banks in normal rom,
    copies that to faster SRAM, then patches the checksum and the LED blink delays.
    If someone else wants to code up the power up banking, feel free

    There is an undumped MM V Turbo Kit, which will be the exact same except for location of
    the patches. The mm5tk just needs the normal mm5 ROM swapped out for that one to
    blinks the LEDs a little slower.

    -- Cowering (2011)

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


#include "emu.h"
#include "cpu/m6502/m65c02.h"
#include "machine/74259.h"
#include "machine/mmboard.h"
#include "machine/timer.h"
#include "sound/beep.h"
#include "speaker.h"

#include "mephisto.lh"

class mephisto_state : public driver_device
{
public:
	mephisto_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_outlatch(*this, "outlatch")
		, m_beep(*this, "beeper")
		, m_key1(*this, "KEY1_%u", 0U)
		, m_key2(*this, "KEY2_%u", 0U)
		, m_digits(*this, "digit%u", 0U)
	{ }

	void rebel5(machine_config &config);
	void mm4tk(machine_config &config);
	void mm2(machine_config &config);
	void mephisto(machine_config &config);

	void init_mephisto();

private:
	required_device<m65c02_device> m_maincpu;
	required_device<hc259_device> m_outlatch;
	required_device<beep_device> m_beep;
	DECLARE_WRITE8_MEMBER(write_lcd);
	DECLARE_WRITE8_MEMBER(mephisto_NMI);
	DECLARE_READ8_MEMBER(read_keys);
	DECLARE_WRITE_LINE_MEMBER(write_led7);
	uint8_t m_lcd_shift_counter;
	//uint8_t *m_p_ram;
	uint8_t m_led7;
	uint8_t m_allowNMI;
	virtual void machine_start() override;
	virtual void machine_reset() override;
	DECLARE_MACHINE_START(mm2);
	TIMER_DEVICE_CALLBACK_MEMBER(update_nmi);
	TIMER_DEVICE_CALLBACK_MEMBER(update_nmi_r5);
	TIMER_DEVICE_CALLBACK_MEMBER(update_irq);

	void mephisto_mem(address_map &map);
	void mm2_mem(address_map &map);
	void rebel5_mem(address_map &map);

	required_ioport_array<8> m_key1;
	required_ioport_array<8> m_key2;
	output_finder<4> m_digits;
};


WRITE8_MEMBER(mephisto_state::write_lcd)
{
	if (m_led7 == 0) m_digits[m_lcd_shift_counter] = data;  // 0x109 MM IV // 0x040 MM V

	//m_digits[m_lcd_shift_counter] = data ^ m_p_ram[0x165];    // 0x109 MM IV // 0x040 MM V
	m_lcd_shift_counter--;
	m_lcd_shift_counter &= 3;
}

WRITE8_MEMBER(mephisto_state::mephisto_NMI)
{
	m_allowNMI = 1;
}

READ8_MEMBER(mephisto_state::read_keys)
{
	uint8_t data = 0;

	if (!m_outlatch->q7_r())
	{
		data = m_key1[offset]->read();
	}
	else
	{
		data = m_key2[offset]->read();
	}

	logerror("Keyboard Port = %d-%d Data = %d\n  ", !m_outlatch->q7_r() ? 0 : 1, offset, data);
	return data | 0x7f;
}

WRITE_LINE_MEMBER(mephisto_state::write_led7)
{
	m_led7 = state ? 0x00 : 0xff;
}

void mephisto_state::rebel5_mem(address_map &map)
{
	map(0x0000, 0x1fff).ram();                        // AM_BASE(m_p_ram)
	map(0x2000, 0x2007).w("outlatch", FUNC(hc259_device::write_d7));           // Status LEDs+ buzzer
	map(0x3000, 0x4000).r("board", FUNC(mephisto_board_device::input_r));
	map(0x3000, 0x3007).r(FUNC(mephisto_state::read_keys));            // Rebel 5.0
	map(0x5000, 0x5000).w(FUNC(mephisto_state::write_lcd));
	map(0x6000, 0x6000).w("board", FUNC(mephisto_board_device::led_w));
	map(0x7000, 0x7000).w("board", FUNC(mephisto_board_device::mux_w));
	map(0x8000, 0xffff).rom();
}


void mephisto_state::mephisto_mem(address_map &map)
{
	map(0x0000, 0x1fff).ram(); //AM_BASE(m_p_ram)
	map(0x2000, 0x2000).w(FUNC(mephisto_state::write_lcd));
	map(0x2400, 0x2407).w("board", FUNC(mephisto_board_device::led_w));
	map(0x2800, 0x2800).w("board", FUNC(mephisto_board_device::mux_w));
	map(0x2c00, 0x2c07).r(FUNC(mephisto_state::read_keys));
	map(0x3000, 0x3000).r("board", FUNC(mephisto_board_device::input_r));
	map(0x3400, 0x3407).w("outlatch", FUNC(hc259_device::write_d7));           // Status LEDs+ buzzer
	map(0x3800, 0x3800).w(FUNC(mephisto_state::mephisto_NMI));            // NMI enable
	map(0x4000, 0x7fff).rom();                        // Opening Library
	map(0x8000, 0xffff).rom();
}

void mephisto_state::mm2_mem(address_map &map)
{
	map(0x0000, 0x0fff).ram(); //AM_BASE(m_p_ram)
	map(0x1000, 0x1007).w("outlatch", FUNC(hc259_device::write_d7));       //Status LEDs
	map(0x1800, 0x1807).r(FUNC(mephisto_state::read_keys));
	map(0x2000, 0x2000).r("board", FUNC(mephisto_board_device::input_r));
	map(0x2800, 0x2800).w(FUNC(mephisto_state::write_lcd));
	map(0x3000, 0x3000).w("board", FUNC(mephisto_board_device::led_w));
	map(0x3800, 0x3800).w("board", FUNC(mephisto_board_device::mux_w));
	map(0x4000, 0x7fff).rom();                        // Opening Library ?
	map(0x8000, 0xffff).rom();
}

INPUT_PORTS_EXTERN( chessboard );

static INPUT_PORTS_START( mephisto )
	PORT_START("KEY1_0") //Port $2c00
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_F1)
	PORT_START("KEY1_1") //Port $2c01
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("POS") PORT_CODE(KEYCODE_F2)
	PORT_START("KEY1_2") //Port $2c02
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MEM") PORT_CODE(KEYCODE_F3)
	PORT_START("KEY1_3") //Port $2c03
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("INFO") PORT_CODE(KEYCODE_F4)
	PORT_START("KEY1_4") //Port $2c04
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEV") PORT_CODE(KEYCODE_F5)
	PORT_START("KEY1_5") //Port $2c05
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER)
	PORT_START("KEY1_6") //Port $2c06
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0)
	PORT_START("KEY1_7") //Port $2c07
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9)

	PORT_START("KEY2_0") //Port $2c08
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E 5") PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5)
	PORT_START("KEY2_1") //Port $2c09
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F 6") PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6)
	PORT_START("KEY2_2") //Port $2c0a
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G 7") PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7)
	PORT_START("KEY2_3") //Port $2c0b
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A 1") PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1)
	PORT_START("KEY2_4") //Port $2c0c
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H 8") PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8)
	PORT_START("KEY2_5") //Port $2c0d
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B 2") PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2)
	PORT_START("KEY2_6") //Port $2c0e
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C 3") PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3)
	PORT_START("KEY2_7") //Port $2c0f
	PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D 4") PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4)

INPUT_PORTS_END


TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_nmi)
{
	if (m_allowNMI)
	{
		m_allowNMI = 0;
		m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
	}
	m_beep->set_state(m_outlatch->q6_r() ? 1 : 0);
}

TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_nmi_r5)
{
	m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
	m_beep->set_state(m_outlatch->q6_r() ? 1 : 0);
}

TIMER_DEVICE_CALLBACK_MEMBER(mephisto_state::update_irq)//only mm2
{
	m_maincpu->set_input_line(M65C02_IRQ_LINE, HOLD_LINE);

	m_beep->set_state(m_outlatch->q6_r() ? 1 : 0);
}

void mephisto_state::machine_start()
{
	m_digits.resolve();
	m_lcd_shift_counter = 3;
	m_allowNMI = 1;
}

MACHINE_START_MEMBER(mephisto_state,mm2)
{
	m_digits.resolve();
	m_lcd_shift_counter = 3;
	m_led7=0xff;
}


void mephisto_state::machine_reset()
{
	m_lcd_shift_counter = 3;
	m_allowNMI = 1;

/* adjust artwork depending on current emulation*/

	if (!strcmp(machine().system().name,"mm2") )
		output().set_value("MM",1);
	else if (!strcmp(machine().system().name,"mm4") )
		output().set_value("MM",2);
	else if (!strcmp(machine().system().name,"mm4tk") )
		output().set_value("MM",5);
	else if (!strcmp(machine().system().name,"mm5tk") )
		output().set_value("MM",5);
	else if (!strcmp(machine().system().name,"mm5") )
		output().set_value("MM",3);
	else if (!strcmp(machine().system().name,"mm50") )
		output().set_value("MM",3);
	else if (!strcmp(machine().system().name,"rebel5") )
		output().set_value("MM",4);
}


MACHINE_CONFIG_START(mephisto_state::mephisto)
	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu",M65C02,4915200)  /* 65C02 */
	MCFG_DEVICE_PROGRAM_MAP(mephisto_mem)
	MCFG_QUANTUM_TIME(attotime::from_hz(60))

	HC259(config, m_outlatch);
	m_outlatch->q_out_cb<0>().set_output("led100");
	m_outlatch->q_out_cb<1>().set_output("led101");
	m_outlatch->q_out_cb<2>().set_output("led102");
	m_outlatch->q_out_cb<3>().set_output("led103");
	m_outlatch->q_out_cb<4>().set_output("led104");
	m_outlatch->q_out_cb<5>().set_output("led105");
	m_outlatch->q_out_cb<7>().set(FUNC(mephisto_state::write_led7));

	/* sound hardware */
	SPEAKER(config, "mono").front_center();
	MCFG_DEVICE_ADD("beeper", BEEP, 3250)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)

	TIMER(config, "nmi_timer").configure_periodic(FUNC(mephisto_state::update_nmi), attotime::from_hz(600));

	MEPHISTO_SENSORS_BOARD(config, "board", 0);
	config.set_default_layout(layout_mephisto);
MACHINE_CONFIG_END

MACHINE_CONFIG_START(mephisto_state::rebel5)
	mephisto(config);
	/* basic machine hardware */
	MCFG_DEVICE_MODIFY("maincpu")
	MCFG_DEVICE_PROGRAM_MAP(rebel5_mem)
	config.device_remove("nmi_timer");
	TIMER(config, "nmi_timer_r5").configure_periodic(FUNC(mephisto_state::update_nmi_r5), attotime::from_hz(600));

MACHINE_CONFIG_END

MACHINE_CONFIG_START(mephisto_state::mm2)
	mephisto(config);
	MCFG_DEVICE_REPLACE("maincpu", M65C02, 3700000)
	MCFG_DEVICE_PROGRAM_MAP(mm2_mem)
	MCFG_MACHINE_START_OVERRIDE(mephisto_state, mm2 )

	config.device_remove("nmi_timer");
	TIMER(config, "irq_timer").configure_periodic(FUNC(mephisto_state::update_irq), attotime::from_hz(450));
MACHINE_CONFIG_END

MACHINE_CONFIG_START(mephisto_state::mm4tk)
	mephisto(config);
	MCFG_DEVICE_MODIFY("maincpu")
	MCFG_DEVICE_REPLACE("maincpu", M65C02, 18000000)
	MCFG_DEVICE_PROGRAM_MAP(mephisto_mem)
MACHINE_CONFIG_END

ROM_START(rebel5)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("rebel5.rom", 0x8000, 0x8000, CRC(8d02e1ef) SHA1(9972c75936613bd68cfd3fe62bd222e90e8b1083))
ROM_END

ROM_START(mm2)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("mm2_1.bin", 0x8000, 0x4000, CRC(e2daac82) SHA1(c9fa59ca92362f8ee770733073bfa2ab8c7904ad))
	ROM_LOAD("mm2_2.bin", 0xc000, 0x4000, CRC(5e296939) SHA1(badd2a377259cf738cd076d8fb245c3dc284c24d))
ROM_END

ROM_START(mm4)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("mephisto4.rom", 0x8000, 0x8000, CRC(f68a4124) SHA1(d1d03a9aacc291d5cb720d2ee2a209eeba13a36c))
	ROM_SYSTEM_BIOS( 0, "none", "No Opening Library" )
	ROM_SYSTEM_BIOS( 1, "hg440", "HG440 Opening Library" )
	ROMX_LOAD( "hg440.rom", 0x4000, 0x4000, CRC(81ffcdfd) SHA1(b0f7bcc11d1e821daf92cde31e3446c8be0bbe19), ROM_BIOS(1))
ROM_END

ROM_START(mm4tk)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("mm4tk.rom", 0x8000, 0x8000, CRC(51cb36a4) SHA1(9e184b4e85bb721e794b88d8657ae8d2ff5a24af))
	ROM_SYSTEM_BIOS( 0, "none", "No Opening Library" )
	ROM_SYSTEM_BIOS( 1, "hg440", "HG440 Opening Library" )
	ROMX_LOAD( "hg440.rom", 0x4000, 0x4000, CRC(81ffcdfd) SHA1(b0f7bcc11d1e821daf92cde31e3446c8be0bbe19), ROM_BIOS(1))
ROM_END

ROM_START(mm5tk)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("mephisto5.rom", 0x8000, 0x8000, BAD_DUMP CRC(89c3d9d2) SHA1(77cd6f8eeb03c713249db140d2541e3264328048))
	ROM_SYSTEM_BIOS( 0, "none", "No Opening Library" )
	ROM_SYSTEM_BIOS( 1, "hg550", "HG550 Opening Library" )
	ROMX_LOAD("hg550.rom", 0x4000, 0x4000, CRC(0359f13d) SHA1(833cef8302ad8d283d3f95b1d325353c7e3b8614), ROM_BIOS(1))
ROM_END

ROM_START(mm5)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("mephisto5.rom", 0x8000, 0x8000, CRC(89c3d9d2) SHA1(77cd6f8eeb03c713249db140d2541e3264328048))
	ROM_SYSTEM_BIOS( 0, "none", "No Opening Library" )
	ROM_SYSTEM_BIOS( 1, "hg550", "HG550 Opening Library" )
	ROMX_LOAD("hg550.rom", 0x4000, 0x4000, CRC(0359f13d) SHA1(833cef8302ad8d283d3f95b1d325353c7e3b8614), ROM_BIOS(1))
ROM_END

ROM_START(mm50)
	ROM_REGION(0x10000,"maincpu",0)
	ROM_LOAD("mm50.rom", 0x8000, 0x8000, CRC(fcfa7e6e) SHA1(afeac3a8c957ba58cefaa27b11df974f6f2066da))
	ROM_SYSTEM_BIOS( 0, "none", "No Opening Library" )
	ROM_SYSTEM_BIOS( 1, "hg550", "HG550 Opening Library" )
	ROMX_LOAD("hg550.rom", 0x4000, 0x4000, CRC(0359f13d) SHA1(833cef8302ad8d283d3f95b1d325353c7e3b8614), ROM_BIOS(1))
ROM_END


void mephisto_state::init_mephisto()
{
	m_lcd_shift_counter = 3;
}

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

    Game driver(s)

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

/*    YEAR  NAME    PARENT  COMPAT  MACHINE   INPUT     CLASS           INIT           COMPANY             FULLNAME                              FLAGS */
CONS( 1984, mm2,    mm4,    0,      mm2,      mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto MM2 Schachcomputer",        MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )
CONS( 1986, rebel5, mm4,    0,      rebel5,   mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto Rebell 5,0 Schachcomputer", MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )
CONS( 1987, mm4,    0,      0,      mephisto, mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto 4 Schachcomputer",          MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )
CONS( 1987, mm4tk,  mm4,    0,      mm4tk,    mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto 4 Schachcomputer Turbo Kit + HG440", MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )
CONS( 1990, mm5,    mm4,    0,      mephisto, mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto 5.1 Schachcomputer",        MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )
CONS( 1990, mm50,   mm4,    0,      mephisto, mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto 5.0 Schachcomputer",        MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )
CONS( 1990, mm5tk,  mm4,    0,      mm4tk,    mephisto, mephisto_state, init_mephisto, "Hegener & Glaser", "Mephisto 5.1 Schachcomputer Turbo Kit + HG550", MACHINE_NOT_WORKING|MACHINE_REQUIRES_ARTWORK | MACHINE_CLICKABLE_ARTWORK )