summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/acommand.c
blob: 595577ab3f606508ba885b9585e4b6e8b4619a40 (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
/*******************************************************************************************

Alien Command (c) 1993 Jaleco

driver by Angelo Salese

Actually same HW as the Cisco Heat ones.

TODO:
-Understand what "devices" area needs to make this working.It's likely that the upper switches
controls the UFO's and the lower switches the astronauts.
-Back tilemap paging is likely to be incorrect.
-3D Artworks for the UFO's,Astronauts etc.
-Merge to the Cisco Heat driver.

Notes:
-The real HW is a redemption machine with two guns, similar to the "Cosmo Gang the Video"
(Namco) bonus games.

m68k irq table vectors
lev 1 : 0x64 : 0000 04f0 - rte
lev 2 : 0x68 : 0000 044a - vblank
lev 3 : 0x6c : 0000 0484 - "dynamic color change" (?)
lev 4 : 0x70 : 0000 04f0 - rte
lev 5 : 0x74 : 0000 04f0 - rte
lev 6 : 0x78 : 0000 04f0 - rte
lev 7 : 0x7c : 0000 04f0 - rte

===========================================================================================

Jaleco Alien Command
Redemption Video Game with Guns

2/7/99

Hardware Specs: 68000 at 12Mhz and OKI6295

JALMR17  BIN       524,288  02-07-99  1:17a JALMR17.BIN
JALCF2   BIN     1,048,576  02-07-99  1:10a JALCF2.BIN
JALCF3   BIN       131,072  02-07-99  1:12a JALCF3.BIN
JALCF4   BIN       131,072  02-07-99  1:13a JALCF4.BIN
JALCF5   BIN       524,288  02-07-99  1:15a JALCF5.BIN
JALCF6   BIN       131,072  02-07-99  1:14a JALCF6.BIN
JALGP1   BIN       524,288  02-07-99  1:21a JALGP1.BIN
JALGP2   BIN       524,288  02-07-99  1:24a JALGP2.BIN
JALGP3   BIN       524,288  02-07-99  1:20a JALGP3.BIN
JALGP4   BIN       524,288  02-07-99  1:23a JALGP4.BIN
JALGP5   BIN       524,288  02-07-99  1:19a JALGP5.BIN
JALGP6   BIN       524,288  02-07-99  1:23a JALGP6.BIN
JALGP7   BIN       524,288  02-07-99  1:19a JALGP7.BIN
JALGP8   BIN       524,288  02-07-99  1:22a JALGP8.BIN
JALMR14  BIN       524,288  02-07-99  1:17a JALMR14.BIN
JALCF1   BIN     1,048,576  02-07-99  1:11a JALCF1.BIN


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

#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "sound/okim6295.h"


class acommand_state : public driver_device
{
public:
	acommand_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_ac_bgvram(*this, "ac_bgvram"),
		m_ac_txvram(*this, "ac_txvram"),
		m_spriteram(*this, "spriteram"),
		m_ac_devram(*this, "ac_devram"){ }

	required_shared_ptr<UINT16> m_ac_bgvram;
	required_shared_ptr<UINT16> m_ac_txvram;
	required_shared_ptr<UINT16> m_spriteram;
	required_shared_ptr<UINT16> m_ac_devram;
	tilemap_t *m_tx_tilemap;
	tilemap_t *m_bg_tilemap;
	UINT16 *m_ac_vregs;
	UINT16 m_led0;
	UINT16 m_led1;
	UINT16 m_ufo_sw1;
	UINT16 m_ufo_sw2;
	DECLARE_WRITE16_MEMBER(ac_bgvram_w);
	DECLARE_WRITE16_MEMBER(ac_txvram_w);
	DECLARE_WRITE16_MEMBER(ac_bgscroll_w);
	DECLARE_WRITE16_MEMBER(ac_txscroll_w);
	DECLARE_READ16_MEMBER(ac_devices_r);
	DECLARE_WRITE16_MEMBER(ac_devices_w);
	DECLARE_WRITE16_MEMBER(ac_unk2_w);
	TILEMAP_MAPPER_MEMBER(bg_scan);
	TILE_GET_INFO_MEMBER(ac_get_bg_tile_info);
	TILE_GET_INFO_MEMBER(ac_get_tx_tile_info);
};



TILEMAP_MAPPER_MEMBER(acommand_state::bg_scan)
{
	/* logical (col,row) -> memory offset */
	return (row & 0x0f) + ((col & 0xff) << 4) + ((row & 0x70) << 8);
}

TILE_GET_INFO_MEMBER(acommand_state::ac_get_bg_tile_info)
{
	int code = m_ac_bgvram[tile_index];
	SET_TILE_INFO_MEMBER(
			1,
			code & 0xfff,
			(code & 0xf000) >> 12,
			0);
}

TILE_GET_INFO_MEMBER(acommand_state::ac_get_tx_tile_info)
{
	int code = m_ac_txvram[tile_index];
	SET_TILE_INFO_MEMBER(
			0,
			code & 0xfff,
			(code & 0xf000) >> 12,
			0);
}

static void draw_sprites(running_machine &machine, bitmap_ind16 &bitmap, const rectangle &cliprect, int priority, int pri_mask)
{
	acommand_state *state = machine.driver_data<acommand_state>();
	UINT16 *spriteram16 = state->m_spriteram;
	int offs;

	for (offs = 0;offs < state->m_spriteram.bytes()/2;offs += 8)
	{
		if (!(spriteram16[offs+0] & 0x1000))
		{
			int sx = (spriteram16[offs+3] & 0x0ff);
			int code = spriteram16[offs+6];
			int color = spriteram16[offs+7];
			int w = (spriteram16[offs+0] & 0x0f);
			int h = ((spriteram16[offs+0] & 0xf0) >> 4);
			int sy = (spriteram16[offs+4] & 0x0ff) - ((h+1)*0x10);
/**/		int pri = spriteram16[offs+5];
/**/		int flipy = ((spriteram16[offs+1] & 0x0200) >> 9);
/**/		int flipx = ((spriteram16[offs+1] & 0x0100) >> 8);

			int xx,yy,x;
			int delta = 16;

			flipx ^= state->flip_screen();
			flipy ^= state->flip_screen();

			if ((pri&pri_mask)!=priority) continue;

			if (state->flip_screen())
			{
				sx = 368 - sx;
				sy = 240 - sy;
				delta = -16;
			}

			yy = h;
			do
			{
				x = sx;
				xx = w;
				do
				{
					drawgfx_transpen(bitmap,cliprect,machine.gfx[2],
							code,
							color,
							flipx, flipy,
							((x + 16) & 0x1ff) - 16,sy & 0x1ff,15);

					code++;
					x += delta;
				} while (--xx >= 0);

				sy += delta;
			} while (--yy >= 0);
		}
	}
}


static VIDEO_START( acommand )
{
	acommand_state *state = machine.driver_data<acommand_state>();
	state->m_tx_tilemap = &machine.tilemap().create(tilemap_get_info_delegate(FUNC(acommand_state::ac_get_tx_tile_info),state),TILEMAP_SCAN_COLS,8,8,512,32);
	state->m_bg_tilemap = &machine.tilemap().create(tilemap_get_info_delegate(FUNC(acommand_state::ac_get_bg_tile_info),state),tilemap_mapper_delegate(FUNC(acommand_state::bg_scan),state),16,16,256,16);

	state->m_ac_vregs = auto_alloc_array(machine, UINT16, 0x80/2);

	state->m_tx_tilemap->set_transparent_pen(15);
}


#define LED_ON		0x01c00
#define LED_OFF		0x00000
/*
     a
    ---
f   | | b
    -g-
e   | | c
    ---
     d
a & 1
b & 2
c & 4
d & 8
e & 10
f & 20
g & 40
7f
*/
/*                                    0    1    2    3    4    5    6    7    8    9    a    b    c    d    e    f*/
static const UINT8 led_fill[0x10] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00,0x00,0x00,0x00,0x00,0x00};

static void draw_led(bitmap_ind16 &bitmap, int x, int y,UINT8 value)
{
	bitmap.plot_box(x, y, 6, 10, 0x00000000);

	/*a*/
	bitmap.pix16(y+0, x+1) = ((led_fill[value] & 0x0001) ? LED_ON : LED_OFF);
	bitmap.pix16(y+0, x+2) = ((led_fill[value] & 0x0001) ? LED_ON : LED_OFF);
	bitmap.pix16(y+0, x+3) = ((led_fill[value] & 0x0001) ? LED_ON : LED_OFF);
	/*b*/
	bitmap.pix16(y+1, x+4) = ((led_fill[value] & 0x0002) ? LED_ON : LED_OFF);
	bitmap.pix16(y+2, x+4) = ((led_fill[value] & 0x0002) ? LED_ON : LED_OFF);
	bitmap.pix16(y+3, x+4) = ((led_fill[value] & 0x0002) ? LED_ON : LED_OFF);
	/*c*/
	bitmap.pix16(y+5, x+4) = ((led_fill[value] & 0x0004) ? LED_ON : LED_OFF);
	bitmap.pix16(y+6, x+4) = ((led_fill[value] & 0x0004) ? LED_ON : LED_OFF);
	bitmap.pix16(y+7, x+4) = ((led_fill[value] & 0x0004) ? LED_ON : LED_OFF);
	/*d*/
	bitmap.pix16(y+8, x+1) = ((led_fill[value] & 0x0008) ? LED_ON : LED_OFF);
	bitmap.pix16(y+8, x+2) = ((led_fill[value] & 0x0008) ? LED_ON : LED_OFF);
	bitmap.pix16(y+8, x+3) = ((led_fill[value] & 0x0008) ? LED_ON : LED_OFF);
	/*e*/
	bitmap.pix16(y+5, x+0) = ((led_fill[value] & 0x0010) ? LED_ON : LED_OFF);
	bitmap.pix16(y+6, x+0) = ((led_fill[value] & 0x0010) ? LED_ON : LED_OFF);
	bitmap.pix16(y+7, x+0) = ((led_fill[value] & 0x0010) ? LED_ON : LED_OFF);
	/*f*/
	bitmap.pix16(y+1, x+0) = ((led_fill[value] & 0x0020) ? LED_ON : LED_OFF);
	bitmap.pix16(y+2, x+0) = ((led_fill[value] & 0x0020) ? LED_ON : LED_OFF);
	bitmap.pix16(y+3, x+0) = ((led_fill[value] & 0x0020) ? LED_ON : LED_OFF);
	/*g*/
	bitmap.pix16(y+4, x+1) = ((led_fill[value] & 0x0040) ? LED_ON : LED_OFF);
	bitmap.pix16(y+4, x+2) = ((led_fill[value] & 0x0040) ? LED_ON : LED_OFF);
	bitmap.pix16(y+4, x+3) = ((led_fill[value] & 0x0040) ? LED_ON : LED_OFF);
}


static SCREEN_UPDATE_IND16( acommand )
{
	acommand_state *state = screen.machine().driver_data<acommand_state>();
	state->m_bg_tilemap->draw(bitmap, cliprect, 0,0);
	draw_sprites(screen.machine(),bitmap,cliprect,0,0);
	state->m_tx_tilemap->draw(bitmap, cliprect, 0,0);

	/*Order might be wrong,but these for sure are the led numbers tested*/
	draw_led(bitmap,  0, 20, (state->m_led0 & 0x0f00) >> 8);
	draw_led(bitmap,  6, 20, (state->m_led0 & 0x00f0) >> 4);
	draw_led(bitmap, 12, 20, (state->m_led0 & 0x000f));

	draw_led(bitmap, 256-18,20,(state->m_led0 & 0xf000) >> 12);
	draw_led(bitmap, 256-12,20,(state->m_led1 & 0xf0) >> 4);
	draw_led(bitmap, 256-6,20, (state->m_led1 & 0xf));
	return 0;
}


WRITE16_MEMBER(acommand_state::ac_bgvram_w)
{
	COMBINE_DATA(&m_ac_bgvram[offset]);
	m_bg_tilemap->mark_tile_dirty(offset);
}

WRITE16_MEMBER(acommand_state::ac_txvram_w)
{
	COMBINE_DATA(&m_ac_txvram[offset]);
	m_tx_tilemap->mark_tile_dirty(offset);
}

WRITE16_MEMBER(acommand_state::ac_bgscroll_w)
{
	switch(offset)
	{
		case 0: m_bg_tilemap->set_scrollx(0,data); break;
		case 1: m_bg_tilemap->set_scrolly(0,data); break;
		case 2: /*BG_TILEMAP priority?*/ break;
	}
}

WRITE16_MEMBER(acommand_state::ac_txscroll_w)
{
	switch(offset)
	{
		case 0: m_tx_tilemap->set_scrollx(0,data); break;
		case 1: m_tx_tilemap->set_scrolly(0,data); break;
		case 2: /*TX_TILEMAP priority?*/ break;
	}
}

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


READ16_MEMBER(acommand_state::ac_devices_r)
{
	logerror("(PC=%06x) read at %04x\n",cpu_get_pc(&space.device()),offset*2);

	switch(offset)
	{
		case 0x0008/2:
			/*
                --x- ---- ---- ---- Ticket Dispenser - 2
                ---x ---- ---- ---- Ticket Dispenser - 1
                ---- -x-- ---- ---- Right Gun HIT
                ---- ---x ---- ---- Left Gun HIT
                ---- ---- --x- ---- Service Mode (Toggle)
                ---- ---- ---x ---- Service Coin
                ---- ---- ---- x--- COIN2
                ---- ---- ---- -x-- COIN1
                ---- ---- ---- --x- (Activate Test)
                ---- ---- ---- ---x (Advance through Tests)
            */
			return ioport("IN0")->read();
		case 0x0014/2:
		case 0x0016/2:
			return machine().device<okim6295_device>("oki1")->read(space,0);
		case 0x0018/2:
		case 0x001a/2:
			return machine().device<okim6295_device>("oki2")->read(space,0);
		case 0x0040/2:
			/*
                "Upper switch / Under Switch"
                xx-x ---- xx-x xx-x
                -x-- ---- ---- ---- Catch Switch - 3
                --x- ---- ---- ---- Lower Switch - 3
                ---x ---- ---- ---- Upper Switch - 3
                ---- -x-- ---- ---- Catch Switch - 2
                ---- --x- ---- ---- Lower Switch - 2
                ---- ---x ---- ---- Upper Switch - 2
                ---- ---- -x-- ---- Catch Switch - 1
                ---- ---- --x- ---- Lower Switch - 1 (active high)
                ---- ---- ---x ---- Upper Switch - 1 (active low)
                ---- ---- ---- --xx Boss Door - Motor
            */
        //22dc8
		{
			m_ufo_sw1 = m_ac_devram[offset] & 3;
			if(m_ac_devram[offset] & 0x10)
				m_ufo_sw1|= 0x10;
			if(m_ac_devram[offset] & 0x40)
				m_ufo_sw1|= 0x20;
			if(m_ac_devram[offset] & 0x100)
				m_ufo_sw1|=0x100;
			if(m_ac_devram[offset] & 0x400)
				m_ufo_sw1|=0x200;
			if(m_ac_devram[offset] & 0x1000)
				m_ufo_sw1|=0x1000;
			if(m_ac_devram[offset] & 0x4000)
				m_ufo_sw1|=0x2000;
//          if(m_ac_devram[0x0048/2] & 0x0001)
//              m_ufo_sw1|=0x0040;
//          if(m_ac_devram[0x0048/2] & 0x0004)
//              m_ufo_sw1|=0x0400;
//          if(m_ac_devram[0x0048/2] & 0x0100)
//              m_ufo_sw1|=0x4000;
			return m_ufo_sw1;
		}
		case 0x0044/2:
			/*
                ---- ---- --x- ---- Lower Switch - 5
                ---- ---- ---x ---- Upper Switch - 5
                ---- ---- ---- --x- Lower Switch - 4 (active high)
                ---- ---- ---- ---x Upper Switch - 4 (active low)
            */
		{
			m_ufo_sw2 = 0;
			if(m_ac_devram[offset] & 0x01)
				m_ufo_sw2|= 1;
			if(m_ac_devram[offset] & 0x04)
				m_ufo_sw2|= 2;
			if(m_ac_devram[offset] & 0x10)
				m_ufo_sw2|=0x10;
			if(m_ac_devram[offset] & 0x40)
				m_ufo_sw2|=0x20;
			return m_ufo_sw2;
		}
		case 0x0048/2:
			return m_ac_devram[offset];
		case 0x005c/2:
			/*
                xxxx xxxx ---- ---- DIPSW4
                ---- ---- xxxx xxxx DIPSW3
            */
			return ioport("IN1")->read();
	}
	return m_ac_devram[offset];
}

WRITE16_MEMBER(acommand_state::ac_devices_w)
{
	COMBINE_DATA(&m_ac_devram[offset]);
	switch(offset)
	{
		case 0x00/2:
			if (ACCESSING_BITS_0_7)
			{
				okim6295_device *oki1 = machine().device<okim6295_device>("oki1");
				okim6295_device *oki2 = machine().device<okim6295_device>("oki2");
				oki1->set_bank_base(0x40000 * (data & 0x3));
				oki2->set_bank_base(0x40000 * (data & 0x30) >> 4);
			}
			break;
		case 0x14/2:
		case 0x16/2:
			if(ACCESSING_BITS_0_7)
			{
				okim6295_device *oki1 = machine().device<okim6295_device>("oki1");
				oki1->write(space,0,data);
			}
			break;
		case 0x18/2:
		case 0x1a/2:
			if(ACCESSING_BITS_0_7)
			{
				okim6295_device *oki2 = machine().device<okim6295_device>("oki2");
				oki2->write(space,0,data);
			}
			break;
		case 0x1c/2:
			/*IRQ mask?*/
			break;
		case 0x40/2:
			break;
		case 0x44/2:
			break;
		case 0x48/2:
			break;
		case 0x50/2:
			m_led0 = m_ac_devram[offset];
			//popmessage("%04x",m_led0);
			break;
		case 0x54/2:
			m_led1 = m_ac_devram[offset];
			//popmessage("%04x",m_led0);
			break;
	}
}

/*This is always zero ATM*/
WRITE16_MEMBER(acommand_state::ac_unk2_w)
{
	if(data)
		popmessage("UNK-2 enabled %04x",data);
}

static ADDRESS_MAP_START( acommand_map, AS_PROGRAM, 16, acommand_state )
	AM_RANGE(0x000000, 0x03ffff) AM_ROM
	AM_RANGE(0x082000, 0x082005) AM_WRITE(ac_bgscroll_w)
	AM_RANGE(0x082100, 0x082105) AM_WRITE(ac_txscroll_w)
	AM_RANGE(0x082208, 0x082209) AM_WRITE(ac_unk2_w)
	AM_RANGE(0x0a0000, 0x0a3fff) AM_RAM_WRITE(ac_bgvram_w) AM_SHARE("ac_bgvram")
	AM_RANGE(0x0b0000, 0x0b3fff) AM_RAM_WRITE(ac_txvram_w) AM_SHARE("ac_txvram")
	AM_RANGE(0x0b8000, 0x0bffff) AM_RAM_WRITE(paletteram_RRRRGGGGBBBBRGBx_word_w) AM_SHARE("paletteram")
	AM_RANGE(0x0f0000, 0x0f7fff) AM_RAM
	AM_RANGE(0x0f8000, 0x0f8fff) AM_RAM AM_SHARE("spriteram")
	AM_RANGE(0x0f9000, 0x0fffff) AM_RAM
	AM_RANGE(0x100000, 0x1000ff) AM_READ(ac_devices_r) AM_WRITE(ac_devices_w) AM_SHARE("ac_devram")
ADDRESS_MAP_END

static INPUT_PORTS_START( acommand )
	PORT_START("IN0")
    PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_START1 )
    PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_START2 )
    PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_COIN1 )
    PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_COIN2 )
    PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_SERVICE_NO_TOGGLE( 0x0020, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x0040, 0x0040, "IN0" )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
    PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
    PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x1000, 0x1000, "Ticket Dispenser - 1" )
	PORT_DIPSETTING(      0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, "Ticket Dispenser - 2")
	PORT_DIPSETTING(      0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )

	PORT_START("IN1")
	PORT_DIPNAME( 0x0001, 0x0001, "IN2" )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0100, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0400, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
INPUT_PORTS_END

static const gfx_layout charlayout =
{
	8,8,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static const gfx_layout tilelayout =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4,
			16*32+0*4, 16*32+1*4, 16*32+2*4, 16*32+3*4, 16*32+4*4, 16*32+5*4, 16*32+6*4, 16*32+7*4 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32,
			8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32 },
	32*32
};

static GFXDECODE_START( acommand )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0x2700, 16 ) /*???*/
	GFXDECODE_ENTRY( "gfx2", 0, tilelayout, 0x0f00, 256 )
	GFXDECODE_ENTRY( "gfx3", 0, tilelayout, 0x1800, 256 )
GFXDECODE_END

static TIMER_DEVICE_CALLBACK( acommand_scanline )
{
	int scanline = param;

	if(scanline == 240) // vblank-out irq
		cputag_set_input_line(timer.machine(), "maincpu", 2, HOLD_LINE);

	if(scanline == 0) // vblank-in irq? (update palette and layers)
		cputag_set_input_line(timer.machine(), "maincpu", 3, HOLD_LINE);
}

static MACHINE_CONFIG_START( acommand, acommand_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu",M68000,12000000)
	MCFG_CPU_PROGRAM_MAP(acommand_map)
	MCFG_TIMER_ADD_SCANLINE("scantimer", acommand_scanline, "screen", 0, 1)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(32*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MCFG_SCREEN_UPDATE_STATIC(acommand)

	MCFG_GFXDECODE(acommand)
	MCFG_PALETTE_LENGTH(0x4000)

	MCFG_VIDEO_START(acommand)

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

	MCFG_OKIM6295_ADD("oki1", 2112000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)

	MCFG_OKIM6295_ADD("oki2", 2112000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
MACHINE_CONFIG_END

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

  Game driver(s)

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

ROM_START( acommand )
	ROM_REGION( 0x040000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "jalcf3.bin",   0x000000, 0x020000, CRC(f031abf7) SHA1(e381742fd6a6df4ddae42ddb3a074a55dc550b3c) )
	ROM_LOAD16_BYTE( "jalcf4.bin",   0x000001, 0x020000, CRC(dd0c0540) SHA1(3e788fcb30ae725bd0ec9b57424e3946db1e946f) )

	ROM_REGION( 0x20000, "gfx1", 0 ) /* BG0 */
	ROM_LOAD( "jalcf6.bin",   0x000000, 0x020000, CRC(442173d6) SHA1(56c02bc2761967040127977ecabe844fc45e2218) )

	ROM_REGION( 0x080000, "gfx2", 0 ) /* BG1 */
	ROM_LOAD( "jalcf5.bin",   0x000000, 0x080000, CRC(ff0be97f) SHA1(5ccab778318dec30849d7b7f25091d4aab8bde32) )

	ROM_REGION( 0x400000, "gfx3", 0 ) /* SPR */
	ROM_LOAD16_BYTE( "jalgp1.bin",   0x000000, 0x080000, CRC(c4aeeae2) SHA1(ee0d3dd93a604f8e1a96b55c4a1cd001d49f1157) )
	ROM_LOAD16_BYTE( "jalgp2.bin",   0x000001, 0x080000, CRC(f0e4e80e) SHA1(08252ef8b5e309cce2d4654410142f4ae9e3ef22) )
	ROM_LOAD16_BYTE( "jalgp3.bin",   0x100000, 0x080000, CRC(7acebd83) SHA1(64be95186d62003b637fcdf45a9c0b7aab182116) )
	ROM_LOAD16_BYTE( "jalgp4.bin",   0x100001, 0x080000, CRC(6a6b72f3) SHA1(3ba359b1a89eb3f6664ed83d93f79d7f895d4222) )
	ROM_LOAD16_BYTE( "jalgp5.bin",   0x200000, 0x080000, CRC(65ab751d) SHA1(f2cb8701eb8c3567a1d03248e6918c5a7b5df939) )
	ROM_LOAD16_BYTE( "jalgp6.bin",   0x200001, 0x080000, CRC(24e3ab23) SHA1(d1431688e1518ba52935f6ab44b815975bec4c27) )
	ROM_LOAD16_BYTE( "jalgp7.bin",   0x300000, 0x080000, CRC(44b71098) SHA1(a6ec2573f9a266d4f8f315f6e99b12525011f512) )
	ROM_LOAD16_BYTE( "jalgp8.bin",   0x300001, 0x080000, CRC(ce0b7838) SHA1(46e34971cb62565a3948d8c0a18086648c32e13b) )

	ROM_REGION( 0x100000, "oki1", 0 )	/* M6295 samples */
	ROM_LOAD( "jalcf2.bin",   0x000000, 0x100000, CRC(b982fd97) SHA1(35ee5b1b9be762ccfefda24d73e329ceea876deb) )

	ROM_REGION( 0x100000, "oki2", 0 )	/* M6295 samples */
	ROM_LOAD( "jalcf1.bin",   0x000000, 0x100000, CRC(24af21d3) SHA1(f68ab81a6c833b57ae9eef916a1c8578f3d893dd) )

	ROM_REGION( 0x100000, "user1", 0 ) /* ? these two below are identical*/
	ROM_LOAD( "jalmr14.bin",   0x000000, 0x080000, CRC(9d428fb7) SHA1(02f72938d73db932bd217620a175a05215f6016a) )
	ROM_LOAD( "jalmr17.bin",   0x080000, 0x080000, CRC(9d428fb7) SHA1(02f72938d73db932bd217620a175a05215f6016a) )
ROM_END

GAME( 1994, acommand,  0,       acommand,  acommand, driver_device,  0, ROT0, "Jaleco", "Alien Command" , GAME_NOT_WORKING | GAME_MECHANICAL)