summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/xexex.cpp
blob: a90bcc3d9b262913cf6ddba2d2342e002ec9dbd1 (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
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************

    Xexex  (c) 1991 Konami - GX067


Xexex
Konami 1991

PCB Layout
----------
GX067 PWB352898B
|--------------------------------------------------------|
|MB3722   067B07.1E                         067B14.1N    |
| 054544  067B06.3E  84256                  067B13.2N    |
|        067JAA05.4E                   |------| |------| |
|CN5               |------|            |053246A |053247A |
| YM2151   8464    |054539|            |      | |      | |
| 054744           |      |            |      | |      | |
|          Z80E    |      |            |      | |      | |
| 051550           |------|            |------| |------| |
|J                                                       |
|A 054573  |------| 2018                 5168(X10)       |
|M 054573  |054338| 2018                                 |
|M 054573  |      | 2018     |------|  |------| |------| |
|A 054574  |      |          |053251|  |054157| |054156| |
|          |------|          |      |  |      | |      | |
|  053252         067B04.13F |------|  |      | |      | |
|           067B03.13D      2018       |      | |      | |
|    054743  84256   84256  2018       |------| |------| |
| 18.432MHz      067JAA02.16F |------|                   |
| 32MHz     067JAA01.16D      |053250|        067B12.17N |
|            |------------|   |      |                   |
|TEST_SW     |   68000    |   |------|        067B11.19N |
|005273(X6)  |            |                              |
|  ER5911.19B|------------|                   067B10.20N |
|                                                        |
|                  067B08.22F                 067B09.22N |
|--------------------------------------------------------|
Notes:
      68000  - Clock 16.000MHz [32/2]
      Z80E   - Clock 8.000MHz [32/4]
      YM2151 - Clock 4.000MHz [32/8]
      2018   - Motorola MCM2018 2kx8 SRAM (DIP24)
      84256  - Fujitsu MB84256 32kx8 SRAM (DIP28)
      5168   - Sharp LH5168 8kx8 SRAM (DIP28)
      ER5911 - EEPROM (128 bytes)
      CN5    - 4 pin connector for stereo sound output
      067*   - EPROM/mask ROM
      MB3722 - Power AMP IC

      Custom Chips
      ------------
      053250  - Road generator
      053251  - Priority encoder
      053252  - Timing/Interrupt controller. Clock input 32MHz
      054157  \
      054156  / Tilemap generators
      053246A \
      053247A / Sprite generators
      054539  - 8-Channel ADPCM sound generator. Clock input 18.432MHz. Clock outputs 18.432/4 & 18.432/8
      054573  - Video DAC (one for each R,G,B video signal)
      054574  - Possibly RGB mixer/DAC/filter? (connected to 054573)
      054338  - Color mixer for special effects/alpha blending etc (connected to 054573 & 054574 and 2018 RAM)
      051550  - EMI filter for credit/coin counter
      005273  - Resistor array for player 3 & player 4 controls (PL3/4 connectors not populated)
      054544  - Audio DAC/filter
      054744  - PAL16L8
      054743  - PAL20L10

      Sync Measurements
      -----------------
      HSync - 15.3670kHz
      VSync - 54.0657Hz


****************************************************************************

Change Log
----------

(ATXXXX03)

Hooked up missing memory handler, emulated object DMA, revised IRQ,
rewrote the K053250(LVC) effect generator, ported tilemaps to use the
K056832 emulation(the K054157 is a complete subset of the K056832),
corrected a few K054539 PCM chip misbehaviors, etc.


The following bugs appear to be fixed:

General:

- game doesn't slow down like the arcade
    IRQ 5 is the "OBJDMA end interrupt" and shouldn't be triggered
    if DMA didn't complete within the frame.

    * game speed may not be 100% correct but close to that on the
    Gamest video especially in stage 6. Xexex is 384x256 which suggests
    an 8Mhz horizontal dotclock and DMA delay can range up to 32.0us(clear)
    + 256.0us(transfer). Increase XE_DMADELAY if emulation runs faster
    than the original or use cheat to overclock CPU 0 if you prefer faster
    gameplay.

- sprite lag, dithering, flicking (DMA)
- line effects go out of sync (K053250 also does DMA)
- inconsistent reverb (maths bug)
- lasers don't change color (IRQ masking)
- xexex057gre_1 (delayed sfx, missing speech, Xexexj only: random 1-up note)
- xexex057gre_2 (reversed stereo)
- xexex065gre (coin up problems, IRQ order)

- L1: xexex067gre (tilemap boundary), misaligned bosses (swapXY)
- L2: xexex061gre (K054157 offset)
- L4: half the foreground missing (LVC no-wraparound)
- L5: poly-face boss missing (coordinate masking)
- L6: sticky galaxies (LVC scroll bug)
- L7: misaligned ship patches (swapXY)


Unresolved Issues:

- random 1-up notes still pop up in the world version (filtered temporarily)
- mono/stereo softdip has no effect (xexex057gre_3, external mixing?)
- K053250 shows a one-frame glitch at stage 1 boss (DMA timing?)
- stage 3 intro missing alpha effect (known K054338 deficiency)
- the stage 4 boss(tentacles) sometimes appears darker (palette update timing?)
- the furthest layer in stage 5 shakes when scrolling up or down (needs verification)
- Elaine's end-game graphics has wrong masking effect (known non-zoomed pdrawgfx issue)
- intro screen at wrong alpha effect; it has K054157 flag-per-tile for alpha blending?
- Tilemap scroll is wrong at cocktail mode

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

#include "emu.h"
#include "includes/xexex.h"
#include "includes/konamipt.h"

#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "machine/eepromser.h"
#include "machine/k053252.h"
#include "sound/flt_vol.h"
#include "sound/k054539.h"
#include "sound/ym2151.h"
#include "speaker.h"


#define XE_DEBUG      0
#define XE_SKIPIDLE   1
#define XE_DMADELAY   attotime::from_usec(256)

#if 0 // (for reference; do not remove)

/* the interface with the 053247 is weird. The chip can address only 0x1000 bytes */
/* of RAM, but they put 0x8000 there. The CPU can access them all. Address lines */
/* A1, A5 and A6 don't go to the 053247. */
READ16_MEMBER(xexex_state::k053247_scattered_word_r)
{
	if (offset & 0x0031)
		return m_spriteram[offset];
	else
	{
		offset = ((offset & 0x000e) >> 1) | ((offset & 0x3fc0) >> 3);
		return k053247_word_r(m_k053246, offset, mem_mask);
	}
}

WRITE16_MEMBER(xexex_state::k053247_scattered_word_w)
{
	if (offset & 0x0031)
		COMBINE_DATA(m_spriteram + offset);
	else
	{
		offset = ((offset & 0x000e) >> 1) | ((offset & 0x3fc0) >> 3);
		k053247_word_w(m_k053246, offset, data, mem_mask);
	}
}

#endif


void xexex_state::xexex_objdma( int limiter )
{
	int counter, num_inactive;
	uint16_t *src, *dst;

	counter = m_frame;
	m_frame = m_screen->frame_number();
	if (limiter && counter == m_frame)
		return; // make sure we only do DMA transfer once per frame

	m_k053246->k053247_get_ram( &dst);
	counter = m_k053246->k053247_get_dy();
	src = m_spriteram;
	num_inactive = counter = 256;

	do
	{
		if (*src & 0x8000)
		{
			dst[0] = src[0x0];  dst[1] = src[0x2];
			dst[2] = src[0x4];  dst[3] = src[0x6];
			dst[4] = src[0x8];  dst[5] = src[0xa];
			dst[6] = src[0xc];  dst[7] = src[0xe];
			dst += 8;
			num_inactive--;
		}
		src += 0x40;
	}
	while (--counter);

	if (num_inactive) do { *dst = 0; dst += 8; } while (--num_inactive);
}

READ16_MEMBER(xexex_state::spriteram_mirror_r)
{
	return m_spriteram[offset];
}

WRITE16_MEMBER(xexex_state::spriteram_mirror_w)
{
	COMBINE_DATA(m_spriteram + offset);
}

READ16_MEMBER(xexex_state::xexex_waitskip_r)
{
	if (m_maincpu->pc() == 0x1158)
	{
		m_maincpu->spin_until_trigger(m_resume_trigger);
		m_suspension_active = 1;
	}

	return m_workram[0x14/2];
}


void xexex_state::parse_control2(  )
{
	/* bit 0  is data */
	/* bit 1  is cs (active low) */
	/* bit 2  is clock (active high) */
	/* bit 5  is enable irq 6 */
	/* bit 6  is enable irq 5 */
	/* bit 11 is watchdog */
	ioport("EEPROMOUT")->write(m_cur_control2, 0xff);

	/* bit 8 = enable sprite ROM reading */
	m_k053246->k053246_set_objcha_line( (m_cur_control2 & 0x0100) ? ASSERT_LINE : CLEAR_LINE);

	/* bit 9 = disable alpha channel on K054157 plane 0 (under investigation) */
	m_cur_alpha = !(m_cur_control2 & 0x200);
}

READ16_MEMBER(xexex_state::control2_r)
{
	return m_cur_control2;
}

WRITE16_MEMBER(xexex_state::control2_w)
{
	COMBINE_DATA(&m_cur_control2);
	parse_control2();
}

WRITE16_MEMBER(xexex_state::sound_irq_w)
{
	m_audiocpu->set_input_line(0, HOLD_LINE);
}

WRITE8_MEMBER(xexex_state::sound_bankswitch_w)
{
	m_z80bank->set_entry(data & 0x07);
}

K054539_CB_MEMBER(xexex_state::ym_set_mixing)
{
	for (int out = 0; out < 2; out++)
	{
		m_filter_l[out]->flt_volume_set_volume((71.0 * left) / 55.0);
		m_filter_r[out]->flt_volume_set_volume((71.0 * right) / 55.0);
	}
}

TIMER_CALLBACK_MEMBER(xexex_state::dmaend_callback)
{
	if (m_cur_control2 & 0x0040)
	{
		// foul-proof (CPU0 could be deactivated while we wait)
		if (m_suspension_active)
		{
			m_suspension_active = 0;
			machine().scheduler().trigger(m_resume_trigger);
		}

		// IRQ 5 is the "object DMA end interrupt" and shouldn't be triggered
		// if object data isn't ready for DMA within the frame.
		m_maincpu->set_input_line(5, HOLD_LINE);
	}
}

TIMER_DEVICE_CALLBACK_MEMBER(xexex_state::xexex_interrupt)
{
	int scanline = param;

	if (m_suspension_active)
	{
		m_suspension_active = 0;
		machine().scheduler().trigger(m_resume_trigger);
	}

	if(scanline == 0)
	{
		// IRQ 6 is for test mode only
			if (m_cur_control2 & 0x0020)
				m_maincpu->set_input_line(6, HOLD_LINE);
	}

	/* TODO: vblank is at 256! (enable CCU then have fun in fixing offsetted layers) */
	if(scanline == 128)
	{
		if (m_k053246->k053246_is_irq_enabled())
		{
			// OBJDMA starts at the beginning of V-blank
			xexex_objdma(0);

			// schedule DMA end interrupt
			m_dmadelay_timer->adjust(XE_DMADELAY);
		}

		// IRQ 4 is the V-blank interrupt. It controls color, sound and
		// vital game logics that shouldn't be interfered by frame-drop.
		if (m_cur_control2 & 0x0800)
			m_maincpu->set_input_line(4, HOLD_LINE);
	}
}


void xexex_state::main_map(address_map &map)
{
	map(0x000000, 0x07ffff).rom();
	map(0x080000, 0x08ffff).ram().share("workram");         // work RAM

#if XE_SKIPIDLE
	map(0x080014, 0x080015).r(this, FUNC(xexex_state::xexex_waitskip_r));              // helps sound CPU by giving back control as early as possible
#endif

	map(0x090000, 0x097fff).ram().share("spriteram");           // K053247 sprite RAM
	map(0x098000, 0x09ffff).rw(this, FUNC(xexex_state::spriteram_mirror_r), FUNC(xexex_state::spriteram_mirror_w));   // K053247 sprite RAM mirror read
	map(0x0c0000, 0x0c003f).w(m_k056832, FUNC(k056832_device::word_w));              // VACSET (K054157)
	map(0x0c2000, 0x0c2007).w(m_k053246, FUNC(k053247_device::k053246_word_w));              // OBJSET1
	map(0x0c4000, 0x0c4001).r(m_k053246, FUNC(k053247_device::k053246_word_r));               // Passthrough to sprite roms
	map(0x0c6000, 0x0c7fff).rw(m_k053250, FUNC(k053250_device::ram_r), FUNC(k053250_device::ram_w));    // K053250 "road" RAM
	map(0x0c8000, 0x0c800f).rw(m_k053250, FUNC(k053250_device::reg_r), FUNC(k053250_device::reg_w));
	map(0x0ca000, 0x0ca01f).w(m_k054338, FUNC(k054338_device::word_w));              // CLTC
	map(0x0cc000, 0x0cc01f).w(m_k053251, FUNC(k053251_device::lsb_w));               // priority encoder
//  AM_RANGE(0x0d0000, 0x0d001f) AM_DEVREADWRITE8("k053252", k053252_device, read, write, 0x00ff)                // CCU
	map(0x0d4000, 0x0d4001).w(this, FUNC(xexex_state::sound_irq_w));
	map(0x0d6000, 0x0d601f).m(m_k054321, FUNC(k054321_device::main_map)).umask16(0x00ff);
	map(0x0d8000, 0x0d8007).w(m_k056832, FUNC(k056832_device::b_word_w));                // VSCCS regs
	map(0x0da000, 0x0da001).portr("P1");
	map(0x0da002, 0x0da003).portr("P2");
	map(0x0dc000, 0x0dc001).portr("SYSTEM");
	map(0x0dc002, 0x0dc003).portr("EEPROM");
	map(0x0de000, 0x0de001).rw(this, FUNC(xexex_state::control2_r), FUNC(xexex_state::control2_w));
	map(0x100000, 0x17ffff).rom();
	map(0x180000, 0x181fff).rw(m_k056832, FUNC(k056832_device::ram_word_r), FUNC(k056832_device::ram_word_w));
	map(0x182000, 0x183fff).rw(m_k056832, FUNC(k056832_device::ram_word_r), FUNC(k056832_device::ram_word_w));
	map(0x190000, 0x191fff).r(m_k056832, FUNC(k056832_device::rom_word_r));       // Passthrough to tile roms
	map(0x1a0000, 0x1a1fff).r(m_k053250, FUNC(k053250_device::rom_r));
	map(0x1b0000, 0x1b1fff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");

#if XE_DEBUG
	map(0x0c0000, 0x0c003f).r(m_k056832, FUNC(k056832_device::word_r));
	map(0x0c2000, 0x0c2007).r(m_k053246, FUNC(k053247_device::k053246_reg_word_r));
	map(0x0ca000, 0x0ca01f).r(m_k054338, FUNC(k054338_device::word_r));
	map(0x0cc000, 0x0cc01f).r(m_k053251, FUNC(k053251_device::lsb_r));
	map(0x0d8000, 0x0d8007).r(m_k056832, FUNC(k056832_device::b_word_r));
#endif

}


void xexex_state::sound_map(address_map &map)
{
	map(0x0000, 0x7fff).rom();
	map(0x8000, 0xbfff).bankr("z80bank");
	map(0xc000, 0xdfff).ram();
	map(0xe000, 0xe22f).rw(m_k054539, FUNC(k054539_device::read), FUNC(k054539_device::write));
	map(0xec00, 0xec01).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write));
	map(0xf000, 0xf003).m(m_k054321, FUNC(k054321_device::sound_map));
	map(0xf800, 0xf800).w(this, FUNC(xexex_state::sound_bankswitch_w));
}


static INPUT_PORTS_START( xexex )
	PORT_START("SYSTEM")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_SERVICE2 )
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("P1")
	KONAMI16_LSB(1, IPT_UNKNOWN, IPT_START1 )

	PORT_START("P2")
	KONAMI16_LSB(2, IPT_UNKNOWN, IPT_START2 )

	PORT_START("EEPROM")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, do_read)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, ready_read)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_SERVICE_NO_TOGGLE( 0x08, IP_ACTIVE_LOW )
	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START( "EEPROMOUT" )
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, di_write)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, cs_write)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_er5911_device, clk_write)
INPUT_PORTS_END



void xexex_state::xexex_postload()
{
	parse_control2();
}

void xexex_state::machine_start()
{
	m_z80bank->configure_entries(0, 8, memregion("audiocpu")->base(), 0x4000);
	m_z80bank->set_entry(0);

	save_item(NAME(m_cur_alpha));
	save_item(NAME(m_sprite_colorbase));
	save_item(NAME(m_layer_colorbase));
	save_item(NAME(m_layerpri));

	save_item(NAME(m_suspension_active));
	save_item(NAME(m_frame));

	save_item(NAME(m_cur_control2));
	machine().save().register_postload(save_prepost_delegate(FUNC(xexex_state::xexex_postload), this));

	m_dmadelay_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(xexex_state::dmaend_callback),this));
}

void xexex_state::machine_reset()
{
	int i;

	for (i = 0; i < 4; i++)
	{
		m_layerpri[i] = 0;
		m_layer_colorbase[i] = 0;
	}

	m_sprite_colorbase = 0;

	m_cur_control2 = 0;
	m_suspension_active = 0;
	m_resume_trigger = 1000;
	m_frame = -1;
	m_k054539->init_flags(k054539_device::REVERSE_STEREO);
}

MACHINE_CONFIG_START(xexex_state::xexex)

	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu", M68000, XTAL(32'000'000)/2) // 16MHz
	MCFG_DEVICE_PROGRAM_MAP(main_map)
	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", xexex_state, xexex_interrupt, "screen", 0, 1)

	MCFG_DEVICE_ADD("audiocpu", Z80, XTAL(32'000'000)/4) // Z80E 8Mhz
	MCFG_DEVICE_PROGRAM_MAP(sound_map)

	MCFG_QUANTUM_TIME(attotime::from_hz(1920))

	MCFG_EEPROM_SERIAL_ER5911_8BIT_ADD("eeprom")

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
//  MCFG_SCREEN_REFRESH_RATE(XTAL(32'000'000)/4/512/288)
	MCFG_SCREEN_RAW_PARAMS(XTAL(32'000'000)/4, 384+33+40+55, 0, 383, 256+12+6+14, 0, 255) // 8Mhz horizontal dotclock
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(64*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(40, 40+384-1, 0, 0+256-1)
	MCFG_SCREEN_UPDATE_DRIVER(xexex_state, screen_update_xexex)

	MCFG_PALETTE_ADD("palette", 2048)
	MCFG_PALETTE_FORMAT(XRGB)
	MCFG_PALETTE_ENABLE_SHADOWS()
	MCFG_PALETTE_ENABLE_HILIGHTS()

	MCFG_DEVICE_ADD("k056832", K056832, 0)
	MCFG_K056832_CB(xexex_state, tile_callback)
	MCFG_K056832_CONFIG("gfx1", K056832_BPP_4, 1, 0, "none")
	MCFG_K056832_PALETTE("palette")

	MCFG_DEVICE_ADD("k053246", K053246, 0)
	MCFG_K053246_CB(xexex_state, sprite_callback)
	MCFG_K053246_CONFIG("gfx2", NORMAL_PLANE_ORDER, -48, 32)
	MCFG_K053246_PALETTE("palette")

	MCFG_K053250_ADD("k053250", "palette", "screen", -5, -16)

	MCFG_K053251_ADD("k053251")

	MCFG_DEVICE_ADD("k053252", K053252, XTAL(32'000'000)/4)

	MCFG_DEVICE_ADD("k054338", K054338, 0)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")

	MCFG_K054321_ADD("k054321", "lspeaker", "rspeaker")

	MCFG_DEVICE_ADD("ymsnd", YM2151, XTAL(32'000'000)/8) // 4MHz
	MCFG_SOUND_ROUTE(0, "filter1_l", 0.50)
	MCFG_SOUND_ROUTE(0, "filter1_r", 0.50)
	MCFG_SOUND_ROUTE(1, "filter2_l", 0.50)
	MCFG_SOUND_ROUTE(1, "filter2_r", 0.50)

	MCFG_DEVICE_ADD("k054539", K054539, XTAL(18'432'000))
	MCFG_K054539_APAN_CB(xexex_state, ym_set_mixing)
	MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
	MCFG_SOUND_ROUTE(0, "rspeaker", 1.0)
	MCFG_SOUND_ROUTE(1, "lspeaker", 1.0)
	MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)

	FILTER_VOLUME(config, "filter1_l").add_route(ALL_OUTPUTS, "lspeaker", 1.0);
	FILTER_VOLUME(config, "filter1_r").add_route(ALL_OUTPUTS, "rspeaker", 1.0);
	FILTER_VOLUME(config, "filter2_l").add_route(ALL_OUTPUTS, "lspeaker", 1.0);
	FILTER_VOLUME(config, "filter2_r").add_route(ALL_OUTPUTS, "rspeaker", 1.0);
MACHINE_CONFIG_END


ROM_START( xexex ) /* Europe, Version AA */
	ROM_REGION( 0x180000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "067eaa01.16d", 0x000000, 0x040000, CRC(3ebcb066) SHA1(83a20433d9fdcc8b8d7133991f9a8164dddb61f3) )
	ROM_LOAD16_BYTE( "067eaa02.16f", 0x000001, 0x040000, CRC(36ea7a48) SHA1(34f8046d7ecf5ea66c59c5bc0d7627942c28fd3b) )
	ROM_LOAD16_BYTE( "067b03.13d",   0x100000, 0x040000, CRC(97833086) SHA1(a564f7b1b52c774d78a59f4418c7ecccaf94ad41) )
	ROM_LOAD16_BYTE( "067b04.13f",   0x100001, 0x040000, CRC(26ec5dc8) SHA1(9da62683bfa8f16607cbea2d59a1446ec8588c5b) )

	ROM_REGION( 0x020000, "audiocpu", 0 )
	ROM_LOAD( "067eaa05.4e", 0x000000, 0x020000, CRC(0e33d6ec) SHA1(4dd68cb78c779e2d035e43fec35a7672ed1c259b) )

	ROM_REGION( 0x200000, "gfx1", 0 )
	ROM_LOAD32_WORD( "067b14.1n",   0x000000, 0x100000, CRC(02a44bfa) SHA1(ad95df4dbf8842820ef20f54407870afb6d0e4a3) )
	ROM_LOAD32_WORD( "067b13.2n",   0x000002, 0x100000, CRC(633c8eb5) SHA1(a11f78003a1dffe2d8814d368155059719263082) )

	ROM_REGION( 0x400000, "gfx2", 0 )
	ROM_LOAD64_WORD( "067b12.17n",  0x000000, 0x100000, CRC(08d611b0) SHA1(9cac60131e0411f173acd8ef3f206e5e58a7e5d2) )
	ROM_LOAD64_WORD( "067b11.19n",  0x000002, 0x100000, CRC(a26f7507) SHA1(6bf717cb9fcad59a2eafda967f14120b9ebbc8c5) )
	ROM_LOAD64_WORD( "067b10.20n",  0x000004, 0x100000, CRC(ee31db8d) SHA1(c41874fb8b401ea9cdd327ee6239b5925418cf7b) )
	ROM_LOAD64_WORD( "067b09.22n",  0x000006, 0x100000, CRC(88f072ef) SHA1(7ecc04dbcc29b715117e970cc96e11137a21b83a) )

	ROM_REGION( 0x080000, "k053250", 0 )
	ROM_LOAD( "067b08.22f",  0x000000, 0x080000, CRC(ca816b7b) SHA1(769ce3700e41200c34adec98598c0fe371fe1e6d) )

	ROM_REGION( 0x300000, "k054539", 0 )
	ROM_LOAD( "067b06.3e",   0x000000, 0x200000, CRC(3b12fce4) SHA1(c69172d9965b8da8a539812fac92d5f1a3c80d17) )
	ROM_LOAD( "067b07.1e",   0x200000, 0x100000, CRC(ec87fe1b) SHA1(ec9823aea5a1fc5c47c8262e15e10b28be87231c) )

	ROM_REGION( 0x80, "eeprom", 0 ) // default eeprom to prevent game booting upside down with error
	ROM_LOAD( "er5911.19b",  0x0000, 0x0080, CRC(155624cc) SHA1(457f921e3a5d053c53e4f1a44941eb0a1f22e1b2) )
ROM_END

ROM_START( orius ) /* USA, Version AA */
	ROM_REGION( 0x180000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "067uaa01.16d", 0x000000, 0x040000, CRC(f1263d3e) SHA1(c8a10b90e754ec7a72a23ac85b888f071ca40bb1) )
	ROM_LOAD16_BYTE( "067uaa02.16f", 0x000001, 0x040000, CRC(77709f64) SHA1(c26f09c9723facb89ab8aae2a036be4e6892d4bf) )
	ROM_LOAD16_BYTE( "067b03.13d",   0x100000, 0x040000, CRC(97833086) SHA1(a564f7b1b52c774d78a59f4418c7ecccaf94ad41) )
	ROM_LOAD16_BYTE( "067b04.13f",   0x100001, 0x040000, CRC(26ec5dc8) SHA1(9da62683bfa8f16607cbea2d59a1446ec8588c5b) )

	ROM_REGION( 0x020000, "audiocpu", 0 )
	ROM_LOAD( "067uaa05.4e", 0x000000, 0x020000, CRC(0e33d6ec) SHA1(4dd68cb78c779e2d035e43fec35a7672ed1c259b) )

	ROM_REGION( 0x200000, "gfx1", 0 )
	ROM_LOAD32_WORD( "067b14.1n",   0x000000, 0x100000, CRC(02a44bfa) SHA1(ad95df4dbf8842820ef20f54407870afb6d0e4a3) )
	ROM_LOAD32_WORD( "067b13.2n",   0x000002, 0x100000, CRC(633c8eb5) SHA1(a11f78003a1dffe2d8814d368155059719263082) )

	ROM_REGION( 0x400000, "gfx2", 0 )
	ROM_LOAD64_WORD( "067b12.17n",  0x000000, 0x100000, CRC(08d611b0) SHA1(9cac60131e0411f173acd8ef3f206e5e58a7e5d2) )
	ROM_LOAD64_WORD( "067b11.19n",  0x000002, 0x100000, CRC(a26f7507) SHA1(6bf717cb9fcad59a2eafda967f14120b9ebbc8c5) )
	ROM_LOAD64_WORD( "067b10.20n",  0x000004, 0x100000, CRC(ee31db8d) SHA1(c41874fb8b401ea9cdd327ee6239b5925418cf7b) )
	ROM_LOAD64_WORD( "067b09.22n",  0x000006, 0x100000, CRC(88f072ef) SHA1(7ecc04dbcc29b715117e970cc96e11137a21b83a) )

	ROM_REGION( 0x080000, "k053250", 0 )
	ROM_LOAD( "067b08.22f",  0x000000, 0x080000, CRC(ca816b7b) SHA1(769ce3700e41200c34adec98598c0fe371fe1e6d) )

	ROM_REGION( 0x300000, "k054539", 0 )
	ROM_LOAD( "067b06.3e",   0x000000, 0x200000, CRC(3b12fce4) SHA1(c69172d9965b8da8a539812fac92d5f1a3c80d17) )
	ROM_LOAD( "067b07.1e",   0x200000, 0x100000, CRC(ec87fe1b) SHA1(ec9823aea5a1fc5c47c8262e15e10b28be87231c) )

	ROM_REGION( 0x80, "eeprom", 0 ) // default eeprom to prevent game booting upside down with error
	ROM_LOAD( "er5911.19b",  0x0000, 0x0080, CRC(547ee4e4) SHA1(089601fcfa513f129d6e2587594b932d4a8fde18) ) //sldh
ROM_END

ROM_START( xexexa ) /* Asia, Version AA */
	ROM_REGION( 0x180000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "067aaa01.16d", 0x000000, 0x040000, CRC(cf557144) SHA1(4ce587580d953b88864652dd66485d49ca719ec5) )
	ROM_LOAD16_BYTE( "067aaa02.16f", 0x000001, 0x040000, CRC(b7b98d52) SHA1(ca2343bf37f779699b6782772e559ea5662c1742) )
	ROM_LOAD16_BYTE( "067b03.13d",   0x100000, 0x040000, CRC(97833086) SHA1(a564f7b1b52c774d78a59f4418c7ecccaf94ad41) )
	ROM_LOAD16_BYTE( "067b04.13f",   0x100001, 0x040000, CRC(26ec5dc8) SHA1(9da62683bfa8f16607cbea2d59a1446ec8588c5b) )

	ROM_REGION( 0x020000, "audiocpu", 0 )
	ROM_LOAD( "067eaa05.4e", 0x000000, 0x020000, CRC(0e33d6ec) SHA1(4dd68cb78c779e2d035e43fec35a7672ed1c259b) )

	ROM_REGION( 0x200000, "gfx1", 0 )
	ROM_LOAD32_WORD( "067b14.1n",   0x000000, 0x100000, CRC(02a44bfa) SHA1(ad95df4dbf8842820ef20f54407870afb6d0e4a3) )
	ROM_LOAD32_WORD( "067b13.2n",   0x000002, 0x100000, CRC(633c8eb5) SHA1(a11f78003a1dffe2d8814d368155059719263082) )

	ROM_REGION( 0x400000, "gfx2", 0 )
	ROM_LOAD64_WORD( "067b12.17n",  0x000000, 0x100000, CRC(08d611b0) SHA1(9cac60131e0411f173acd8ef3f206e5e58a7e5d2) )
	ROM_LOAD64_WORD( "067b11.19n",  0x000002, 0x100000, CRC(a26f7507) SHA1(6bf717cb9fcad59a2eafda967f14120b9ebbc8c5) )
	ROM_LOAD64_WORD( "067b10.20n",  0x000004, 0x100000, CRC(ee31db8d) SHA1(c41874fb8b401ea9cdd327ee6239b5925418cf7b) )
	ROM_LOAD64_WORD( "067b09.22n",  0x000006, 0x100000, CRC(88f072ef) SHA1(7ecc04dbcc29b715117e970cc96e11137a21b83a) )

	ROM_REGION( 0x080000, "k053250", 0 )
	ROM_LOAD( "067b08.22f",  0x000000, 0x080000, CRC(ca816b7b) SHA1(769ce3700e41200c34adec98598c0fe371fe1e6d) )

	ROM_REGION( 0x300000, "k054539", 0 )
	ROM_LOAD( "067b06.3e",   0x000000, 0x200000, CRC(3b12fce4) SHA1(c69172d9965b8da8a539812fac92d5f1a3c80d17) )
	ROM_LOAD( "067b07.1e",   0x200000, 0x100000, CRC(ec87fe1b) SHA1(ec9823aea5a1fc5c47c8262e15e10b28be87231c) )

	ROM_REGION( 0x80, "eeprom", 0 ) // default eeprom to prevent game booting upside down with error
	ROM_LOAD( "er5911.19b",  0x0000, 0x0080, CRC(051c14c6) SHA1(23addbaa2ce323c06551b343ca45dea4fd2b9eee) ) // sldh
ROM_END

ROM_START( xexexj ) /* Japan, Version AA */
	ROM_REGION( 0x180000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "067jaa01.16d", 0x000000, 0x040000, CRC(06e99784) SHA1(d53fe3724608992a6938c36aa2719dc545d6b89e) )
	ROM_LOAD16_BYTE( "067jaa02.16f", 0x000001, 0x040000, CRC(30ae5bc4) SHA1(60491e31eef64a9206d1372afa32d83c6c0968b3) )
	ROM_LOAD16_BYTE( "067b03.13d",   0x100000, 0x040000, CRC(97833086) SHA1(a564f7b1b52c774d78a59f4418c7ecccaf94ad41) )
	ROM_LOAD16_BYTE( "067b04.13f",   0x100001, 0x040000, CRC(26ec5dc8) SHA1(9da62683bfa8f16607cbea2d59a1446ec8588c5b) )

	ROM_REGION( 0x020000, "audiocpu", 0 )
	ROM_LOAD( "067jaa05.4e", 0x000000, 0x020000, CRC(2f4dd0a8) SHA1(bfa76c9c968f1beba648a2911510e3d666a8fe3a) )

	ROM_REGION( 0x200000, "gfx1", 0 )
	ROM_LOAD32_WORD( "067b14.1n",   0x000000, 0x100000, CRC(02a44bfa) SHA1(ad95df4dbf8842820ef20f54407870afb6d0e4a3) )
	ROM_LOAD32_WORD( "067b13.2n",   0x000002, 0x100000, CRC(633c8eb5) SHA1(a11f78003a1dffe2d8814d368155059719263082) )

	ROM_REGION( 0x400000, "gfx2", 0 )
	ROM_LOAD64_WORD( "067b12.17n",  0x000000, 0x100000, CRC(08d611b0) SHA1(9cac60131e0411f173acd8ef3f206e5e58a7e5d2) )
	ROM_LOAD64_WORD( "067b11.19n",  0x000002, 0x100000, CRC(a26f7507) SHA1(6bf717cb9fcad59a2eafda967f14120b9ebbc8c5) )
	ROM_LOAD64_WORD( "067b10.20n",  0x000004, 0x100000, CRC(ee31db8d) SHA1(c41874fb8b401ea9cdd327ee6239b5925418cf7b) )
	ROM_LOAD64_WORD( "067b09.22n",  0x000006, 0x100000, CRC(88f072ef) SHA1(7ecc04dbcc29b715117e970cc96e11137a21b83a) )

	ROM_REGION( 0x080000, "k053250", 0 )
	ROM_LOAD( "067b08.22f",  0x000000, 0x080000, CRC(ca816b7b) SHA1(769ce3700e41200c34adec98598c0fe371fe1e6d) )

	ROM_REGION( 0x300000, "k054539", 0 )
	ROM_LOAD( "067b06.3e",   0x000000, 0x200000, CRC(3b12fce4) SHA1(c69172d9965b8da8a539812fac92d5f1a3c80d17) )
	ROM_LOAD( "067b07.1e",   0x200000, 0x100000, CRC(ec87fe1b) SHA1(ec9823aea5a1fc5c47c8262e15e10b28be87231c) )

	ROM_REGION( 0x80, "eeprom", 0 ) // default eeprom to prevent game booting upside down with error
	ROM_LOAD( "er5911.19b",  0x0000, 0x0080, CRC(79a79c7b) SHA1(02eb235226949af0147d6d0fd2bd3d7a68083ae6) ) // sldh
ROM_END


DRIVER_INIT_MEMBER(xexex_state,xexex)
{
	m_strip_0x1a = 0;

	if (!strcmp(machine().system().name, "xexex"))
	{
		// Invulnerability
//      *(uint16_t *)(memregion("maincpu")->base() + 0x648d4) = 0x4a79;
//      *(uint16_t *)(memregion("maincpu")->base() + 0x00008) = 0x5500;
		m_strip_0x1a = 1;
	}
}

GAME( 1991, xexex,  0,     xexex, xexex, xexex_state, xexex, ROT0, "Konami", "Xexex (ver EAA)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
GAME( 1991, orius,  xexex, xexex, xexex, xexex_state, xexex, ROT0, "Konami", "Orius (ver UAA)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
GAME( 1991, xexexa, xexex, xexex, xexex, xexex_state, xexex, ROT0, "Konami", "Xexex (ver AAA)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
GAME( 1991, xexexj, xexex, xexex, xexex, xexex_state, xexex, ROT0, "Konami", "Xexex (ver JAA)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )