summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/chexx.cpp
blob: 549e1d83afb7ddb0da7464ed831c182ff784cfcf (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
// license:BSD-3-Clause
// copyright-holders:Luca Elia
/***************************************************************************

Electro-mechanical bubble hockey games:

- Chexx (1983 version) by ICE
  http://www.pinrepair.com/arcade/chexx.htm

- Face-Off, an illegal? copy of Chexx
  http://valker.us/gameroom/SegaFaceOff.htm
  https://casetext.com/case/innovative-concepts-in-ent-v-entertainment-enter

(Some sources indicate these may have been copied from a earlier Sega game called Face-Off)

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

#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "machine/6522via.h"
#include "machine/timer.h"
#include "sound/ay8910.h"
#include "sound/digitalk.h"
#include "speaker.h"

#include "chexx.lh"


#define MAIN_CLOCK XTAL(4'000'000)

class chexx_state : public driver_device
{
public:
	chexx_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_via(*this, "via6522")
		, m_digitalker(*this, "digitalker")
		, m_digits(*this, "digit%u", 0U)
		, m_leds(*this, "led%u", 0U)
		, m_lamps(*this, "lamp%u", 0U)
		, m_dsw(*this, "DSW")
		, m_input(*this, "INPUT")
		, m_coin(*this, "COIN")
	{
	}

	// handlers
	DECLARE_READ8_MEMBER(via_a_in);
	DECLARE_READ8_MEMBER(via_b_in);

	DECLARE_WRITE8_MEMBER(via_a_out);
	DECLARE_WRITE8_MEMBER(via_b_out);

	DECLARE_WRITE_LINE_MEMBER(via_ca2_out);
	DECLARE_WRITE_LINE_MEMBER(via_cb1_out);
	DECLARE_WRITE_LINE_MEMBER(via_cb2_out);
	DECLARE_WRITE_LINE_MEMBER(via_irq_out);

	DECLARE_READ8_MEMBER(input_r);

	DECLARE_WRITE8_MEMBER(lamp_w);

	void chexx(machine_config &config);
	void mem(address_map &map);

protected:
	enum
	{
		TIMER_UPDATE
	};

	void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;

	void update();

	// digitalker
	void digitalker_set_bank(uint8_t bank);

	// driver_device overrides
	virtual void machine_start() override;
	virtual void machine_reset() override;

	// devices
	required_device<cpu_device> m_maincpu;
	required_device<via6522_device> m_via;
	required_device<digitalker_device> m_digitalker;
	output_finder<4> m_digits;
	output_finder<3> m_leds;
	output_finder<2> m_lamps;

	required_ioport m_dsw;
	required_ioport m_input;
	required_ioport m_coin;

	// vars
	emu_timer *m_update_timer;
	uint8_t  m_port_a;
	uint8_t  m_port_b;
	uint8_t  m_bank;
	uint32_t m_shift;
	uint8_t  m_lamp;
};

class faceoffh_state : public chexx_state
{
public:
	faceoffh_state(const machine_config &mconfig, device_type type, const char *tag)
		: chexx_state(mconfig, type, tag)
		, m_aysnd(*this, "aysnd")
	{
	}

	void faceoffh(machine_config &config);

protected:
	DECLARE_WRITE8_MEMBER(ay_w);

	void mem(address_map &map);

	required_device<ay8910_device> m_aysnd; // only faceoffh
	uint8_t m_ay_cmd;
	uint8_t m_ay_data;
};


// VIA

READ8_MEMBER(chexx_state::via_a_in)
{
	uint8_t ret = 0;
	logerror("%s: VIA read A: %02X\n", machine().describe_context(), ret);
	return ret;
}

READ8_MEMBER(chexx_state::via_b_in)
{
	uint8_t ret = 0;
	logerror("%s: VIA read B: %02X\n", machine().describe_context(), ret);
	return ret;
}

WRITE8_MEMBER(chexx_state::via_a_out)
{
	m_port_a = data;    // multiplexer
	m_digitalker->digitalker_data_w(space, 0, data, 0);
//  logerror("%s: VIA write A = %02X\n", machine().describe_context(), data);
}

WRITE8_MEMBER(chexx_state::via_b_out)
{
	m_port_b = data;

	digitalker_set_bank(data & 3);
	m_digitalker->set_output_gain(0, BIT(data,2) ? 1.0f : 0.0f); // bit 2 controls the Digitalker output
	machine().bookkeeping().coin_counter_w(0, BIT(~data,3));
	// bit 4 is EJECT
	// bit 7 is related to speaker out

//  logerror("%s: VIA write B = %02X\n", machine().describe_context(), data);
}

WRITE_LINE_MEMBER(chexx_state::via_ca2_out)
{
	m_digitalker->digitalker_0_cms_w(CLEAR_LINE);
	m_digitalker->digitalker_0_cs_w(CLEAR_LINE);
	m_digitalker->digitalker_0_wr_w(state ? ASSERT_LINE : CLEAR_LINE);

//  logerror("%s: VIA write CA2 = %02X\n", machine().describe_context(), state);
}

WRITE_LINE_MEMBER(chexx_state::via_cb1_out)
{
//  logerror("%s: VIA write CB1 = %02X\n", machine().describe_context(), state);
}

WRITE_LINE_MEMBER(chexx_state::via_cb2_out)
{
	m_shift = ((m_shift << 1) & 0xffffff) | state;

	// 7segs (score)
	constexpr uint8_t patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7c, 0x07, 0x7f, 0x67, 0, 0, 0, 0, 0, 0 }; // 4511

	m_digits[0] = patterns[(m_shift >> (16+4)) & 0xf];
	m_digits[1] = patterns[(m_shift >> (16+0)) & 0xf];
	m_digits[2] = patterns[(m_shift >>  (8+4)) & 0xf];
	m_digits[3] = patterns[(m_shift >>  (8+0)) & 0xf];

	// Leds (period being played)
	m_leds[0] = BIT(m_shift,2);
	m_leds[1] = BIT(m_shift,1);
	m_leds[2] = BIT(m_shift,0);

//  logerror("%s: VIA write CB2 = %02X\n", machine().describe_context(), state);
}

WRITE_LINE_MEMBER(chexx_state::via_irq_out)
{
	m_maincpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
//  logerror("%s: VIA write IRQ = %02X\n", machine().describe_context(), state);
}

READ8_MEMBER(chexx_state::input_r)
{
	uint8_t ret = m_dsw->read();          // bits 0-3
	uint8_t inp = m_input->read();        // bit 7 (multiplexed)

	for (int i = 0; i < 8; ++i)
		if (BIT(~m_port_a, i) && BIT(~inp, i))
			ret &= 0x7f;

	return ret;
}

// Chexx Memory Map

void chexx_state::mem(address_map &map)
{
	map(0x0000, 0x007f).ram().mirror(0x100); // 6810 - 128 x 8 static RAM
	map(0x4000, 0x400f).m(m_via, FUNC(via6522_device::map));
	map(0x8000, 0x8000).r(FUNC(chexx_state::input_r));
	map(0xf800, 0xffff).rom().region("maincpu", 0);
}

void chexx_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
	switch (id)
	{
	case TIMER_UPDATE:
		update();
		break;
	}
}

WRITE8_MEMBER(chexx_state::lamp_w)
{
	m_lamp = data;
	m_lamps[0] = BIT(m_lamp,0);
	m_lamps[1] = BIT(m_lamp,1);
}

// Face-Off Memory Map

void faceoffh_state::mem(address_map &map)
{
	map(0x0000, 0x007f).ram().mirror(0x100); // M58725P - 2KB
	map(0x4000, 0x400f).m(m_via, FUNC(via6522_device::map));
	map(0x8000, 0x8000).r(FUNC(faceoffh_state::input_r));
	map(0xa000, 0xa001).w(FUNC(faceoffh_state::ay_w));
	map(0xc000, 0xc000).w(FUNC(faceoffh_state::lamp_w));
	map(0xf000, 0xffff).rom().region("maincpu", 0);
}

WRITE8_MEMBER(faceoffh_state::ay_w)
{
	if (offset)
	{
		m_ay_data = data;
		return;
	}

	if (m_ay_cmd == 0x00 && data == 0x03)
	{
		m_aysnd->address_w(m_ay_data);
//      logerror("%s: AY addr = %02X\n", machine().describe_context(), m_ay_data);
	}
	else if (m_ay_cmd == 0x00 && data == 0x02)
	{
		m_aysnd->data_w(m_ay_data);
//      logerror("%s: AY data = %02X\n", machine().describe_context(), m_ay_data);
	}
	m_ay_cmd = data;
}

// Inputs

static INPUT_PORTS_START( chexx83 )
	PORT_START("COIN")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1   ) PORT_IMPULSE(1) // play anthem
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2   ) PORT_IMPULSE(1) // play anthem

	PORT_START("INPUT")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1  ) PORT_NAME("P1 Goal Sensor")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2  ) PORT_NAME("P2 Goal Sensor")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START3  ) PORT_NAME("Puck Near Goal Sensors") // play "ohh" sample
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("P1 Boo Button")  // stop anthem, play "boo" sample, eject puck
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("P2 Boo Button")  // stop anthem, play "boo" sample, eject puck
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Puck Eject Ready Sensor")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("DSW")
	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:1,2")
	PORT_DIPSETTING(    0x03, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPNAME( 0x0c, 0x00, "Game Duration (mins)" ) PORT_DIPLOCATION("SW1:3,4")
	PORT_DIPSETTING(    0x00, "2" ) // 40
	PORT_DIPSETTING(    0x04, "3" ) // 60
	PORT_DIPSETTING(    0x08, "4" ) // 80
	PORT_DIPSETTING(    0x0c, "5" ) // 100
	PORT_BIT( 0x70, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_CUSTOM ) // multiplexed inputs
INPUT_PORTS_END

// Machine

void chexx_state::machine_start()
{
	m_digits.resolve();
	m_leds.resolve();
	m_lamps.resolve();

	m_update_timer = timer_alloc(TIMER_UPDATE);
}

void chexx_state::digitalker_set_bank(uint8_t bank)
{
	if (m_bank != bank)
	{
		uint8_t *src = memregion("samples")->base();
		uint8_t *dst = memregion("digitalker")->base();

		memcpy(dst, src + bank * 0x4000, 0x4000);

		m_bank = bank;
	}
}

void chexx_state::machine_reset()
{
	m_bank = -1;
	digitalker_set_bank(0);
	m_update_timer->adjust(attotime::from_hz(60), 0, attotime::from_hz(60));
}

void chexx_state::update()
{
	// NMI on coin-in
	uint8_t coin = (~m_coin->read()) & 0x03;
	m_maincpu->set_input_line(INPUT_LINE_NMI, coin ? ASSERT_LINE : CLEAR_LINE);

	// VIA CA1 connected to Digitalker INTR line
	m_via->write_ca1(m_digitalker->digitalker_0_intr_r());

#if 0
	// Play the digitalker samples (it's not hooked up correctly yet)
	static uint8_t sample = 0, bank = 0;

	if (machine().input().code_pressed_once(KEYCODE_Q))
		--bank;
	if (machine().input().code_pressed_once(KEYCODE_W))
		++bank;
	bank %= 3;
	digitalker_set_bank(bank);

	if (machine().input().code_pressed_once(KEYCODE_A))
		--sample;
	if (machine().input().code_pressed_once(KEYCODE_S))
		++sample;

	if (machine().input().code_pressed_once(KEYCODE_Z))
	{
		m_digitalker->digitalker_0_cms_w(CLEAR_LINE);
		m_digitalker->digitalker_0_cs_w(CLEAR_LINE);

		address_space &space = m_maincpu->space(AS_PROGRAM);
		m_digitalker->digitalker_data_w(space, 0, sample, 0);

		m_digitalker->digitalker_0_wr_w(ASSERT_LINE);
		m_digitalker->digitalker_0_wr_w(CLEAR_LINE);
		m_digitalker->digitalker_0_wr_w(ASSERT_LINE);
	}
#endif
}

void chexx_state::chexx(machine_config &config)
{
	M6502(config, m_maincpu, MAIN_CLOCK/2);
	m_maincpu->set_addrmap(AS_PROGRAM, &chexx_state::mem);

	// via
	VIA6522(config, m_via, MAIN_CLOCK/4);

	m_via->readpa_handler().set(FUNC(chexx_state::via_a_in));
	m_via->readpb_handler().set(FUNC(chexx_state::via_b_in));

	m_via->writepa_handler().set(FUNC(chexx_state::via_a_out));
	m_via->writepb_handler().set(FUNC(chexx_state::via_b_out));

	m_via->ca2_handler().set(FUNC(chexx_state::via_ca2_out));
	m_via->cb1_handler().set(FUNC(chexx_state::via_cb1_out));
	m_via->cb2_handler().set(FUNC(chexx_state::via_cb2_out));
	m_via->irq_handler().set(FUNC(chexx_state::via_irq_out));

	// Layout
	config.set_default_layout(layout_chexx);

	// sound hardware
	SPEAKER(config, "mono").front_center();
	DIGITALKER(config, m_digitalker, MAIN_CLOCK);
	m_digitalker->add_route(ALL_OUTPUTS, "mono", 0.16);
}

void faceoffh_state::faceoffh(machine_config &config)
{
	chexx(config);
	m_maincpu->set_addrmap(AS_PROGRAM, &faceoffh_state::mem);

	AY8910(config, m_aysnd, MAIN_CLOCK/2);
	m_aysnd->add_route(ALL_OUTPUTS, "mono", 0.30);
}

// ROMs

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

Chexx Hockey (1983 version 1.1)

The "long and skinny" Moog CPU board used a 6502 for the processor,
a 6522 for the PIA, a 6810 static RAM, eight 52164 64k bit sound ROM chips,
a 40 pin 54104 sound chip, and a single 2716 CPU EPROM

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

ROM_START( chexx83 )
	ROM_REGION( 0x0800, "maincpu", 0 )
	ROM_LOAD( "chexx83.u4", 0x0000, 0x0800, CRC(a34abac1) SHA1(75a31670eb6d1b62ba984f0bac7c6e6067f6ae87) )

	ROM_REGION( 0x4000, "digitalker", ROMREGION_ERASE00 )
	// bank switched (from samples region)

	ROM_REGION( 0x10000, "samples", ROMREGION_ERASE00 )
	ROM_LOAD( "chexx83.u12", 0x0000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u13", 0x2000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u14", 0x4000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u15", 0x6000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u16", 0x8000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u17", 0xa000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u18", 0xc000, 0x2000, NO_DUMP )
	ROM_LOAD( "chexx83.u19", 0xe000, 0x2000, NO_DUMP )
ROM_END

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

Face-Off PCB?

Entertainment Enterprises Ltd. 1983 (sticker)
Serial No. 025402 (sticker)
MADE IN JAPAN (etched)

CPU:     R6502P
RAM:     M58725P (2KB)
I/O:     R6522P (VIA)
Samples: Digitalker (MM54104)
Music:   AY-3-8910
Misc:    XTAL 4MHz, DSW4, 42-pin connector

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

ROM_START( faceoffh )
	ROM_REGION( 0x1000, "maincpu", 0 )
	// "Copyright (c) 1983  SoftLogic JAPAN"
	ROM_LOAD( "1.5d", 0x0000, 0x1000, CRC(6ab050be) SHA1(ebecae855e22e9c3c46bdee51f84fd5352bf191a) )

	ROM_REGION( 0x4000, "digitalker", ROMREGION_ERASE00 )
	// bank switched (from samples region)

	ROM_REGION( 0x10000, "samples", 0 )
	ROM_LOAD( "9.2a", 0x0000, 0x2000, CRC(059b3725) SHA1(5837bee1ef34ce19a3101b851ca55029776e4b3e) )    // digitalker header
	ROM_LOAD( "8.2b", 0x2000, 0x2000, CRC(679da4e1) SHA1(01a5b9dd132c1b0de97c153d7de226f5bf357338) )

	ROM_LOAD( "7.2c", 0x4000, 0x2000, CRC(f8461b33) SHA1(717a8842e0ce9ba94dd59504a324bede4844e389) )    // digitalker header
	ROM_LOAD( "6.2d", 0x6000, 0x2000, CRC(156c91e0) SHA1(6017d4b5609b214a6e66dcd76493a7d1442c04d4) )

	ROM_LOAD( "5.3a", 0x8000, 0x2000, CRC(19904604) SHA1(633c211a9a822cdf597a6f3c221ae9c8d6482e82) )    // digitalker header
	ROM_LOAD( "4.3b", 0xa000, 0x2000, CRC(c3386d51) SHA1(7882e88db55ba914be81075e4b2d76e246c34d3b) )

	ROM_FILL(         0xc000, 0x2000, 0xff ) // unpopulated
	ROM_FILL(         0xe000, 0x2000, 0xff ) // unpopulated
ROM_END

GAME( 1983, chexx83,  0,       chexx,    chexx83, chexx_state,    empty_init, ROT270, "ICE",                                                 "Chexx (EM Bubble Hockey, 1983 1.1)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
GAME( 1983, faceoffh, chexx83, faceoffh, chexx83, faceoffh_state, empty_init, ROT270, "SoftLogic (Entertainment Enterprises, Ltd. license)", "Face-Off (EM Bubble Hockey)",        MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_IMPERFECT_SOUND )