summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/lkage.c
blob: e9350f028ef6c52a9ba59cae0a86cf1e186313e9 (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
/***************************************************************************

Legend of Kage
(C)1985 Taito
CPU: Z80 (x2), MC68705
Sound: YM2203 (x2)

Phil Stroffolino
ptroffo@yahoo.com

TODO:

- The high score display uses a video attribute flag whose pupose isn't known.

- purpose of the 0x200 byte prom, "a54-10.2" is unknown.  It contains values in range 0x0..0xf.

- SOUND: lots of unknown writes to the YM2203 I/O ports

- Note that all the bootlegs are derived from a different version of the
  original which hasn't been found yet.

- lkage is verfied to be an original set, but it seems to work regardless of what
  the mcu does. Moreover, the mcu returns a checksum which is different from what
  is expected - the MCU computes 0x89, but the main CPU expects 0x5d.
  The game works anyway, it never gives the usual Taito "BAD HW" message.

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

#include "driver.h"
#include "cpu/z80/z80.h"
#include "cpu/m6805/m6805.h"
#include "sound/2203intf.h"


extern UINT8 *lkage_scroll, *lkage_vreg;
WRITE8_HANDLER( lkage_videoram_w );
VIDEO_START( lkage );
VIDEO_UPDATE( lkage );

READ8_HANDLER( lkage_68705_portA_r );
WRITE8_HANDLER( lkage_68705_portA_w );
READ8_HANDLER( lkage_68705_portB_r );
WRITE8_HANDLER( lkage_68705_portB_w );
READ8_HANDLER( lkage_68705_portC_r );
WRITE8_HANDLER( lkage_68705_portC_w );
WRITE8_HANDLER( lkage_68705_ddrA_w );
WRITE8_HANDLER( lkage_68705_ddrB_w );
WRITE8_HANDLER( lkage_68705_ddrC_w );
WRITE8_HANDLER( lkage_mcu_w );
READ8_HANDLER( lkage_mcu_r );
READ8_HANDLER( lkage_mcu_status_r );


static int sound_nmi_enable,pending_nmi;

static TIMER_CALLBACK( nmi_callback )
{
	if (sound_nmi_enable) cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE);
	else pending_nmi = 1;
}

static WRITE8_HANDLER( lkage_sound_command_w )
{
	soundlatch_w(offset,data);
	timer_call_after_resynch(NULL, data,nmi_callback);
}

static WRITE8_HANDLER( lkage_sh_nmi_disable_w )
{
	sound_nmi_enable = 0;
}

static WRITE8_HANDLER( lkage_sh_nmi_enable_w )
{
	sound_nmi_enable = 1;
	if (pending_nmi)
	{ /* probably wrong but commands may go lost otherwise */
		cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE);
		pending_nmi = 0;
	}
}

static ADDRESS_MAP_START( lkage, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xdfff) AM_READ(MRA8_ROM) AM_WRITE(MWA8_ROM)
	AM_RANGE(0xe000, 0xe7ff) AM_READ(MRA8_RAM) AM_WRITE(MWA8_RAM) /* work ram */
	AM_RANGE(0xe800, 0xefff) AM_READ(paletteram_r) AM_WRITE(paletteram_xxxxRRRRGGGGBBBB_le_w) AM_BASE(&paletteram)
	AM_RANGE(0xf000, 0xf003) AM_READ(MRA8_RAM) AM_WRITE(MWA8_RAM) AM_BASE(&lkage_vreg) /* video registers */
	AM_RANGE(0xf060, 0xf060) AM_WRITE(lkage_sound_command_w)
	AM_RANGE(0xf061, 0xf061) AM_WRITE(MWA8_NOP)
	AM_RANGE(0xf062, 0xf062) AM_READ(lkage_mcu_r) AM_WRITE(lkage_mcu_w)
	AM_RANGE(0xf063, 0xf063) AM_WRITE(MWA8_NOP) /* pulsed; nmi on sound cpu? */
	AM_RANGE(0xf080, 0xf080) AM_READ(input_port_0_r) /* DSW1 */
	AM_RANGE(0xf081, 0xf081) AM_READ(input_port_1_r) /* DSW2 (coinage) */
	AM_RANGE(0xf082, 0xf082) AM_READ(input_port_2_r) /* DSW3 */
	AM_RANGE(0xf083, 0xf083) AM_READ(input_port_3_r) /* start, insert coin, tilt */
	AM_RANGE(0xf084, 0xf084) AM_READ(input_port_4_r) /* P1 controls */
	AM_RANGE(0xf086, 0xf086) AM_READ(input_port_5_r) /* P2 controls */
	AM_RANGE(0xf087, 0xf087) AM_READ(lkage_mcu_status_r)
	AM_RANGE(0xf0a0, 0xf0a3) AM_READ(MRA8_RAM) AM_WRITE(MWA8_RAM) /* unknown */
	AM_RANGE(0xf0c0, 0xf0c5) AM_READ(MRA8_RAM) AM_WRITE(MWA8_RAM) AM_BASE(&lkage_scroll)
	AM_RANGE(0xf0e1, 0xf0e1) AM_WRITE(MWA8_NOP) /* pulsed */
	AM_RANGE(0xf100, 0xf15f) AM_READ(MRA8_RAM) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram)
	AM_RANGE(0xf400, 0xffff) AM_READ(MRA8_RAM) AM_WRITE(lkage_videoram_w) AM_BASE(&videoram) /* videoram */
ADDRESS_MAP_END

static READ8_HANDLER( port_fetch_r )
{
	return memory_region(REGION_USER1)[offset];
}

static ADDRESS_MAP_START( readport, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x4000, 0x7fff) AM_READ(port_fetch_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( m68705_readmem, ADDRESS_SPACE_PROGRAM, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(11) )
	AM_RANGE(0x0000, 0x0000) AM_READ(lkage_68705_portA_r)
	AM_RANGE(0x0001, 0x0001) AM_READ(lkage_68705_portB_r)
	AM_RANGE(0x0002, 0x0002) AM_READ(lkage_68705_portC_r)
	AM_RANGE(0x0010, 0x007f) AM_READ(MRA8_RAM)
	AM_RANGE(0x0080, 0x07ff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( m68705_writemem, ADDRESS_SPACE_PROGRAM, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(11) )
	AM_RANGE(0x0000, 0x0000) AM_WRITE(lkage_68705_portA_w)
	AM_RANGE(0x0001, 0x0001) AM_WRITE(lkage_68705_portB_w)
	AM_RANGE(0x0002, 0x0002) AM_WRITE(lkage_68705_portC_w)
	AM_RANGE(0x0004, 0x0004) AM_WRITE(lkage_68705_ddrA_w)
	AM_RANGE(0x0005, 0x0005) AM_WRITE(lkage_68705_ddrB_w)
	AM_RANGE(0x0006, 0x0006) AM_WRITE(lkage_68705_ddrC_w)
	AM_RANGE(0x0010, 0x007f) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x0080, 0x07ff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END

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

/* sound section is almost identical to Bubble Bobble, YM2203 instead of YM3526 */

static ADDRESS_MAP_START( readmem_sound, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM)
	AM_RANGE(0x8000, 0x87ff) AM_READ(MRA8_RAM)
	AM_RANGE(0x9000, 0x9000) AM_READ(YM2203_status_port_0_r)
	AM_RANGE(0xa000, 0xa000) AM_READ(YM2203_status_port_1_r)
	AM_RANGE(0xb000, 0xb000) AM_READ(soundlatch_r)
	AM_RANGE(0xb001, 0xb001) AM_READ(MRA8_NOP)	/* ??? */
	AM_RANGE(0xe000, 0xefff) AM_READ(MRA8_ROM)	/* space for diagnostic ROM? */
ADDRESS_MAP_END

static ADDRESS_MAP_START( writemem_sound, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM)
	AM_RANGE(0x8000, 0x87ff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x9000, 0x9000) AM_WRITE(YM2203_control_port_0_w)
	AM_RANGE(0x9001, 0x9001) AM_WRITE(YM2203_write_port_0_w)
	AM_RANGE(0xa000, 0xa000) AM_WRITE(YM2203_control_port_1_w)
	AM_RANGE(0xa001, 0xa001) AM_WRITE(YM2203_write_port_1_w)
	AM_RANGE(0xb000, 0xb000) AM_WRITE(MWA8_NOP)	/* ??? */
	AM_RANGE(0xb001, 0xb001) AM_WRITE(lkage_sh_nmi_enable_w)
	AM_RANGE(0xb002, 0xb002) AM_WRITE(lkage_sh_nmi_disable_w)
	AM_RANGE(0xe000, 0xefff) AM_WRITE(MWA8_ROM)	/* space for diagnostic ROM? */
ADDRESS_MAP_END

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

static INPUT_PORTS_START( lkage )
	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x03, "30000 100000" ) /* unverified */
	PORT_DIPSETTING(    0x02, "30000 70000" ) /* unverified */
	PORT_DIPSETTING(    0x01, "20000 70000" ) /* unverified */
	PORT_DIPSETTING(    0x00, "20000 50000" ) /* unverified */
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Free_Play ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x18, "3" )
	PORT_DIPSETTING(    0x10, "4" )
	PORT_DIPSETTING(    0x08, "5" )
	PORT_DIPSETTING(	0x00, "255 (Cheat)")
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Cocktail ) )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 9C_1C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 8C_1C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 1C_8C ) )
	PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 9C_1C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 8C_1C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 1C_8C ) )

	PORT_START_TAG("DSW3")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "Initial Season" )
	PORT_DIPSETTING(    0x02, "Spring" )
	PORT_DIPSETTING(    0x00, "Winter" )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( Easiest ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hard ) )
	PORT_DIPNAME( 0x10, 0x10, "Coinage Display" )
	PORT_DIPSETTING(    0x10, "Coins/Credits" )
	PORT_DIPSETTING(    0x00, "Insert Coin" )
	PORT_DIPNAME( 0x20, 0x20, "Year Display" )
	PORT_DIPSETTING(    0x00, "1985" )
	PORT_DIPSETTING(    0x20, "MCMLXXXIV" ) /* 1984(!) */
	PORT_DIPNAME( 0x40, 0x40, "Invulnerability (Cheat)")
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Coin Slots" )
	PORT_DIPSETTING(    0x80, "A and B" )
	PORT_DIPSETTING(    0x00, "A only" )

	PORT_START_TAG("SERVICE")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

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

static const gfx_layout sprite_layout =
{
	16,16,
	RGN_FRAC(1,4),
	4,
	{ RGN_FRAC(1,4),RGN_FRAC(0,4),RGN_FRAC(3,4),RGN_FRAC(2,4) },
	{ 7, 6, 5, 4, 3, 2, 1, 0,
			64+7, 64+6, 64+5, 64+4, 64+3, 64+2, 64+1, 64+0 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
			128+0*8, 128+1*8, 128+2*8, 128+3*8, 128+4*8, 128+5*8, 128+6*8, 128+7*8 },
	32*8
};

static GFXDECODE_START( lkage )
	GFXDECODE_ENTRY( REGION_GFX1, 0x0000, tile_layout,  /*128*/0, 64 )
	GFXDECODE_ENTRY( REGION_GFX1, 0x0000, sprite_layout,  0, 16 )
GFXDECODE_END

static void irqhandler(int irq)
{
	cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}

static struct YM2203interface ym2203_interface =
{
	0,
	0,
	0,
	0,
	irqhandler
};

static MACHINE_DRIVER_START( lkage )
	/* basic machine hardware */
	MDRV_CPU_ADD(Z80,6000000)
	MDRV_CPU_PROGRAM_MAP(lkage,0)
	MDRV_CPU_IO_MAP(readport,0)
	MDRV_CPU_VBLANK_INT(irq0_line_hold,1)

	MDRV_CPU_ADD(Z80, 6000000)
	MDRV_CPU_PROGRAM_MAP(readmem_sound,writemem_sound)
								/* IRQs are triggered by the YM2203 */
	MDRV_CPU_ADD(M68705,4000000/M68705_CLOCK_DIVIDER)	/* ??? */
	MDRV_CPU_PROGRAM_MAP(m68705_readmem,m68705_writemem)

	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(2*8, 32*8-1, 2*8, 30*8-1)
	MDRV_GFXDECODE(lkage)
	MDRV_PALETTE_LENGTH(1024)

	MDRV_VIDEO_START(lkage)
	MDRV_VIDEO_UPDATE(lkage)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(YM2203, 4000000)
	MDRV_SOUND_CONFIG(ym2203_interface)
	MDRV_SOUND_ROUTE(0, "mono", 0.15)
	MDRV_SOUND_ROUTE(1, "mono", 0.15)
	MDRV_SOUND_ROUTE(2, "mono", 0.15)
	MDRV_SOUND_ROUTE(3, "mono", 0.40)

	MDRV_SOUND_ADD(YM2203, 4000000)
	MDRV_SOUND_ROUTE(0, "mono", 0.15)
	MDRV_SOUND_ROUTE(1, "mono", 0.15)
	MDRV_SOUND_ROUTE(2, "mono", 0.15)
	MDRV_SOUND_ROUTE(3, "mono", 0.40)
MACHINE_DRIVER_END


static MACHINE_DRIVER_START( lkageb )
	/* basic machine hardware */
	MDRV_CPU_ADD(Z80,6000000)
	MDRV_CPU_PROGRAM_MAP(lkage,0)
	MDRV_CPU_IO_MAP(readport,0)
	MDRV_CPU_VBLANK_INT(irq0_line_hold,1)

	MDRV_CPU_ADD(Z80, 6000000)
	MDRV_CPU_PROGRAM_MAP(readmem_sound,writemem_sound)
								/* IRQs are triggered by the YM2203 */
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(2*8, 31*8-1, 2*8, 30*8-1)
	MDRV_GFXDECODE(lkage)
	MDRV_PALETTE_LENGTH(1024)

	MDRV_VIDEO_START(lkage)
	MDRV_VIDEO_UPDATE(lkage)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(YM2203, 4000000)
	MDRV_SOUND_CONFIG(ym2203_interface)
	MDRV_SOUND_ROUTE(0, "mono", 0.15)
	MDRV_SOUND_ROUTE(1, "mono", 0.15)
	MDRV_SOUND_ROUTE(2, "mono", 0.15)
	MDRV_SOUND_ROUTE(3, "mono", 0.40)

	MDRV_SOUND_ADD(YM2203, 4000000)
	MDRV_SOUND_ROUTE(0, "mono", 0.15)
	MDRV_SOUND_ROUTE(1, "mono", 0.15)
	MDRV_SOUND_ROUTE(2, "mono", 0.15)
	MDRV_SOUND_ROUTE(3, "mono", 0.40)
MACHINE_DRIVER_END


ROM_START( lkage )
	ROM_REGION( 0x14000, REGION_CPU1, 0 ) /* Z80 code (main CPU) */
	ROM_LOAD( "a54-01-1.37", 0x0000, 0x8000, CRC(973da9c5) SHA1(ad3b5d6a329b784e47be563c6f8dc628f32ba0a5) )
	ROM_LOAD( "a54-02-1.38", 0x8000, 0x8000, CRC(27b509da) SHA1(c623950bd7dd2b5699ca948e3731455964106b89) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 code (sound CPU) */
	ROM_LOAD( "a54-04.54",   0x0000, 0x8000, CRC(541faf9a) SHA1(b142ff3bd198f700697ec06ea92db3109ab5818e) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* 68705 MCU code */
	ROM_LOAD( "a54-09.53",   0x0000, 0x0800, CRC(0e8b8846) SHA1(a4a105462b0127229bb7edfadd2e581c7e40f1cc) )

	ROM_REGION( 0x4000, REGION_USER1, 0 ) /* data */
	ROM_LOAD( "a54-03.51",   0x0000, 0x4000, CRC(493e76d8) SHA1(13c6160edd94ba2801fd89bb33bcae3a1e3454ff) )

	ROM_REGION( 0x10000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "a54-05-1.84", 0x0000, 0x4000, CRC(0033c06a) SHA1(89964503fc338817c6511fd15942741996b7037a) )
	ROM_LOAD( "a54-06-1.85", 0x4000, 0x4000, CRC(9f04d9ad) SHA1(3b9a4d30348fd02e5c8ae94655548bd4a02dd65d) )
	ROM_LOAD( "a54-07-1.86", 0x8000, 0x4000, CRC(b20561a4) SHA1(0d6d83dfae79ea133e37704ca47426b4c978fb36) )
	ROM_LOAD( "a54-08-1.87", 0xc000, 0x4000, CRC(3ff3b230) SHA1(ffcd964efb0af32b5d7a70305dfda615ea95acbe) )

	ROM_REGION( 0x0200, REGION_PROMS, 0 )
	ROM_LOAD( "a54-10.2",    0x0000, 0x0200, CRC(17dfbd14) SHA1(f8f0b6dfedd4ba108dad43ccc7697ef4ab9cbf86) )	/* unknown */

	ROM_REGION( 0x0800, REGION_PLDS, ROMREGION_DISPOSE )
	ROM_LOAD( "pal16l8-a54-11.34",  0x0000, 0x0104, CRC(56232113) SHA1(4cdc6732aa3e7fbe8df51966a1295253711ecc8f) )
	ROM_LOAD( "pal16l8-a54-12.76",  0x0200, 0x0104, CRC(e57c3c89) SHA1(a23f91da254055bb990e8bb730564c40b5725f78) )
	ROM_LOAD( "pal16l8a-a54-13.27", 0x0400, 0x0104, CRC(c9b1938e) SHA1(2fd1adc4bde8f07cf4b6314d56b48bb3d7144cc3) )
	ROM_LOAD( "pal16l8a-a54-14.35", 0x0600, 0x0104, CRC(a89c644e) SHA1(b41a077d1d070d9563f924c776930c33a4ff27d0) )
ROM_END

ROM_START( lkageb )
	ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* Z80 code (main CPU) */
	ROM_LOAD( "ic37_1",      0x0000, 0x8000, CRC(05694f7b) SHA1(08a3796d6cf04d64db52ed8208a51084c420e10a) )
	ROM_LOAD( "ic38_2",      0x8000, 0x8000, CRC(22efe29e) SHA1(f7a29d54081ca7509e822ad8823ec977bccc4a40) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 code (sound CPU) */
	ROM_LOAD( "a54-04.54",   0x0000, 0x8000, CRC(541faf9a) SHA1(b142ff3bd198f700697ec06ea92db3109ab5818e) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* 68705 MCU code */
	ROM_LOAD( "mcu",   0x0000, 0x0800, NO_DUMP )

	ROM_REGION( 0x4000, REGION_USER1, 0 ) /* data */
	ROM_LOAD( "a54-03.51",   0x0000, 0x4000, CRC(493e76d8) SHA1(13c6160edd94ba2801fd89bb33bcae3a1e3454ff) )

	ROM_REGION( 0x10000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "ic93_5",      0x0000, 0x4000, CRC(76753e52) SHA1(13f61969d59b055a5ab40237148e091d7cabe190) )
	ROM_LOAD( "ic94_6",      0x4000, 0x4000, CRC(f33c015c) SHA1(756326daab255d3a36d97e51ee141b9f7157f12e) )
	ROM_LOAD( "ic95_7",      0x8000, 0x4000, CRC(0e02c2e8) SHA1(1d8a817ba66cf26a4fe51ae00874c0fe6e7cebe3) )
	ROM_LOAD( "ic96_8",      0xc000, 0x4000, CRC(4ef5f073) SHA1(dfd234542b28cff74692a1c381772da01e8bb4a7) )

	ROM_REGION( 0x0200, REGION_PROMS, 0 )
	ROM_LOAD( "a54-10.2",    0x0000, 0x0200, CRC(17dfbd14) SHA1(f8f0b6dfedd4ba108dad43ccc7697ef4ab9cbf86) )	/* unknown */
ROM_END

ROM_START( lkageb2 )
	ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* Z80 code (main CPU) */
	ROM_LOAD( "lok.a",       0x0000, 0x8000, CRC(866df793) SHA1(44a9a773d7bbfc5f9d53f56682438ef8b23ecbd6) )
	ROM_LOAD( "lok.b",       0x8000, 0x8000, CRC(fba9400f) SHA1(fedcb9b717feaeec31afda098f0ac2744df6c7be) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 code (sound CPU) */
	ROM_LOAD( "a54-04.54",   0x0000, 0x8000, CRC(541faf9a) SHA1(b142ff3bd198f700697ec06ea92db3109ab5818e) )

	ROM_REGION( 0x4000, REGION_USER1, 0 ) /* data */
	ROM_LOAD( "a54-03.51",   0x0000, 0x4000, CRC(493e76d8) SHA1(13c6160edd94ba2801fd89bb33bcae3a1e3454ff) )

	ROM_REGION( 0x10000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "ic93_5",      0x0000, 0x4000, CRC(76753e52) SHA1(13f61969d59b055a5ab40237148e091d7cabe190) )
	ROM_LOAD( "ic94_6",      0x4000, 0x4000, CRC(f33c015c) SHA1(756326daab255d3a36d97e51ee141b9f7157f12e) )
	ROM_LOAD( "ic95_7",      0x8000, 0x4000, CRC(0e02c2e8) SHA1(1d8a817ba66cf26a4fe51ae00874c0fe6e7cebe3) )
	ROM_LOAD( "ic96_8",      0xc000, 0x4000, CRC(4ef5f073) SHA1(dfd234542b28cff74692a1c381772da01e8bb4a7) )

	ROM_REGION( 0x0200, REGION_PROMS, 0 )
	ROM_LOAD( "a54-10.2",    0x0000, 0x0200, CRC(17dfbd14) SHA1(f8f0b6dfedd4ba108dad43ccc7697ef4ab9cbf86) )	/* unknown */
ROM_END

ROM_START( lkageb3 )
	ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* Z80 code (main CPU) */
	ROM_LOAD( "z1.bin",      0x0000, 0x8000, CRC(60cac488) SHA1(b61df14159f37143b1faed22d77fc7be31602022) )
	ROM_LOAD( "z2.bin",      0x8000, 0x8000, CRC(22c95f17) SHA1(8ca438d508a36918778651adf599cf45a7c4a5d7) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 code (sound CPU) */
	ROM_LOAD( "a54-04.54",   0x0000, 0x8000, CRC(541faf9a) SHA1(b142ff3bd198f700697ec06ea92db3109ab5818e) )

	ROM_REGION( 0x4000, REGION_USER1, 0 ) /* data */
	ROM_LOAD( "a54-03.51",   0x0000, 0x4000, CRC(493e76d8) SHA1(13c6160edd94ba2801fd89bb33bcae3a1e3454ff) )

	ROM_REGION( 0x10000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "ic93_5",      0x0000, 0x4000, CRC(76753e52) SHA1(13f61969d59b055a5ab40237148e091d7cabe190) )
	ROM_LOAD( "ic94_6",      0x4000, 0x4000, CRC(f33c015c) SHA1(756326daab255d3a36d97e51ee141b9f7157f12e) )
	ROM_LOAD( "ic95_7",      0x8000, 0x4000, CRC(0e02c2e8) SHA1(1d8a817ba66cf26a4fe51ae00874c0fe6e7cebe3) )
	ROM_LOAD( "ic96_8",      0xc000, 0x4000, CRC(4ef5f073) SHA1(dfd234542b28cff74692a1c381772da01e8bb4a7) )

	ROM_REGION( 0x0200, REGION_PROMS, 0 )
	ROM_LOAD( "a54-10.2",    0x0000, 0x0200, CRC(17dfbd14) SHA1(f8f0b6dfedd4ba108dad43ccc7697ef4ab9cbf86) )	/* unknown */
ROM_END

static UINT8 mcu_val;

/*Note: This probably uses another MCU dump,which is undumped.*/

static READ8_HANDLER( fake_mcu_r )
{
	int result = 0;

	switch(mcu_val)
	{
		/*These are for the attract mode*/
		case 0x01:
			result = mcu_val-1;
			break;

		case 0x90:
			result = mcu_val+0x43;
			break;

		/*Gameplay Protection,checked in this order at a start of a play*/
		case 0xa6:
			result = mcu_val+0x27;
			break;

		case 0x34:
			result = mcu_val+0x7f;
			break;

		case 0x48:
			result = mcu_val+0xb7;
			break;

		default:
			result = mcu_val;
			break;
	}
	return result;
}

static WRITE8_HANDLER( fake_mcu_w )
{
	mcu_val = data;
}

static READ8_HANDLER( fake_status_r )
{
	static int res = 3; /* cpu data/mcu ready status */
	return res;
}

static DRIVER_INIT( lkageb )
{
	memory_install_read8_handler( 0, ADDRESS_SPACE_PROGRAM, 0xf062, 0xf062, 0, 0, fake_mcu_r);
	memory_install_read8_handler( 0, ADDRESS_SPACE_PROGRAM, 0xf087, 0xf087, 0, 0, fake_status_r);
	memory_install_write8_handler(0, ADDRESS_SPACE_PROGRAM, 0xf062, 0xf062, 0, 0, fake_mcu_w );
}

GAME( 1984, lkage,   0,     lkage,  lkage, 0,       ROT0, "Taito Corporation", "The Legend of Kage", 0 )
GAME( 1984, lkageb,  lkage, lkageb, lkage, lkageb,  ROT0, "bootleg", "The Legend of Kage (bootleg set 1)", 0 )
GAME( 1984, lkageb2, lkage, lkageb, lkage, lkageb,  ROT0, "bootleg", "The Legend of Kage (bootleg set 2)", 0 )
GAME( 1984, lkageb3, lkage, lkageb, lkage, lkageb,  ROT0, "bootleg", "The Legend of Kage (bootleg set 3)", 0 )