summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/gradius3.c
blob: 57819fc9f37808214108f5cb7b9698b4ce4ced66 (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
/***************************************************************************

Gradius 3 (GX945) (c) 1989 Konami

driver by Nicola Salmoria

This board uses the well known 052109 051962 custom gfx chips, however unlike
all other games they fetch gfx data from RAM. The gfx ROMs are memory mapped
on cpu B and the needed parts are copied to RAM at run time.
To handle this efficiently in MAME, some changes would be required to the
tilemap system and to video/konamiic.c. For the time being, I'm kludging
my way in.
There's also something wrong in the way tile banks are implemented in
konamiic.c. They don't seem to be used by this game.

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

#include "driver.h"
#include "deprecat.h"
#include "video/konamiic.h"
#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "sound/2151intf.h"
#include "sound/k007232.h"


extern UINT16 *gradius3_gfxram;
extern int gradius3_priority;
VIDEO_START( gradius3 );
READ16_HANDLER( gradius3_gfxrom_r );
READ16_HANDLER (gradius3_gfxram_r );
WRITE16_HANDLER( gradius3_gfxram_w );
VIDEO_UPDATE( gradius3 );



static READ16_HANDLER( K052109_halfword_r )
{
	return K052109_r(space,offset);
}

static WRITE16_HANDLER( K052109_halfword_w )
{
	if (ACCESSING_BITS_0_7)
		K052109_w(space,offset,data & 0xff);

	/* is this a bug in the game or something else? */
	if (!ACCESSING_BITS_0_7)
		K052109_w(space,offset,(data >> 8) & 0xff);
//      logerror("%06x half %04x = %04x\n",cpu_get_pc(space->cpu),offset,data);
}

static READ16_HANDLER( K051937_halfword_r )
{
	return K051937_r(space,offset);
}

static WRITE16_HANDLER( K051937_halfword_w )
{
	if (ACCESSING_BITS_0_7)
		K051937_w(space,offset,data & 0xff);
}

static READ16_HANDLER( K051960_halfword_r )
{
	return K051960_r(space,offset);
}

static WRITE16_HANDLER( K051960_halfword_w )
{
	if (ACCESSING_BITS_0_7)
		K051960_w(space,offset,data & 0xff);
}



static int irqAen,irqBmask;


static MACHINE_RESET( gradius3 )
{
	/* start with cpu B halted */
	cpu_set_input_line(machine->cpu[1], INPUT_LINE_RESET, ASSERT_LINE);
	irqAen = 0;
	irqBmask = 0;
}

static WRITE16_HANDLER( cpuA_ctrl_w )
{
	if (ACCESSING_BITS_8_15)
	{
		data >>= 8;

		/* bits 0-1 are coin counters */
		coin_counter_w(0,data & 0x01);
		coin_counter_w(1,data & 0x02);

		/* bit 2 selects layer priority */
		gradius3_priority = data & 0x04;

		/* bit 3 enables cpu B */
		cpu_set_input_line(space->machine->cpu[1], INPUT_LINE_RESET, (data & 0x08) ? CLEAR_LINE : ASSERT_LINE);

		/* bit 5 enables irq */
		irqAen = data & 0x20;

		/* other bits unknown */
//logerror("%06x: write %04x to c0000\n",cpu_get_pc(space->cpu),data);
	}
}

static WRITE16_HANDLER( cpuB_irqenable_w )
{
	if (ACCESSING_BITS_8_15)
		irqBmask = (data >> 8) & 0x07;
}

static INTERRUPT_GEN( cpuA_interrupt )
{
	if (irqAen)
		cpu_set_input_line(device, 2, HOLD_LINE);
}

static INTERRUPT_GEN( cpuB_interrupt )
{
	if (cpu_getiloops(device) & 1)	/* ??? */
	{
		if (irqBmask & 2)
			cpu_set_input_line(device, 2, HOLD_LINE);
	}
	else
	{
		if (irqBmask & 1)
			cpu_set_input_line(device, 1, HOLD_LINE);
	}
}

static WRITE16_HANDLER( cpuB_irqtrigger_w )
{
	if (irqBmask & 4)
	{
logerror("%04x trigger cpu B irq 4 %02x\n",cpu_get_pc(space->cpu),data);
		cpu_set_input_line(space->machine->cpu[1],4,HOLD_LINE);
	}
	else
logerror("%04x MISSED cpu B irq 4 %02x\n",cpu_get_pc(space->cpu),data);
}

static WRITE16_HANDLER( sound_command_w )
{
	if (ACCESSING_BITS_8_15)
		soundlatch_w(space,0,(data >> 8) & 0xff);
}

static WRITE16_HANDLER( sound_irq_w )
{
	cpu_set_input_line_and_vector(space->machine->cpu[2],0,HOLD_LINE,0xff);
}

static WRITE8_DEVICE_HANDLER( sound_bank_w )
{
	int bank_A, bank_B;

	/* banks # for the 007232 (chip 1) */
	bank_A = ((data >> 0) & 0x03);
	bank_B = ((data >> 2) & 0x03);
	k007232_set_bank( device, bank_A, bank_B );
}



static ADDRESS_MAP_START( gradius3_map, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x03ffff) AM_ROM
	AM_RANGE(0x040000, 0x043fff) AM_RAM
	AM_RANGE(0x080000, 0x080fff) AM_RAM_WRITE(paletteram16_xRRRRRGGGGGBBBBB_word_w) AM_BASE(&paletteram16)
	AM_RANGE(0x0c0000, 0x0c0001) AM_WRITE(cpuA_ctrl_w)	/* halt cpu B, irq enable, priority, coin counters, other? */
	AM_RANGE(0x0c8000, 0x0c8001) AM_READ_PORT("SYSTEM")
	AM_RANGE(0x0c8002, 0x0c8003) AM_READ_PORT("P1")
	AM_RANGE(0x0c8004, 0x0c8005) AM_READ_PORT("P2")
	AM_RANGE(0x0c8006, 0x0c8007) AM_READ_PORT("DSW3")
	AM_RANGE(0x0d0000, 0x0d0001) AM_READ_PORT("DSW1")
	AM_RANGE(0x0d0002, 0x0d0003) AM_READ_PORT("DSW2")
	AM_RANGE(0x0d8000, 0x0d8001) AM_WRITE(cpuB_irqtrigger_w)
	AM_RANGE(0x0e0000, 0x0e0001) AM_WRITE(watchdog_reset16_w)
	AM_RANGE(0x0e8000, 0x0e8001) AM_WRITE(sound_command_w)
	AM_RANGE(0x0f0000, 0x0f0001) AM_WRITE(sound_irq_w)
	AM_RANGE(0x100000, 0x103fff) AM_RAM AM_SHARE(1)
	AM_RANGE(0x14c000, 0x153fff) AM_READWRITE(K052109_halfword_r, K052109_halfword_w)
	AM_RANGE(0x180000, 0x19ffff) AM_RAM_WRITE(gradius3_gfxram_w) AM_BASE(&gradius3_gfxram) AM_SHARE(2)
ADDRESS_MAP_END


static ADDRESS_MAP_START( gradius3_map2, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x0fffff) AM_ROM
	AM_RANGE(0x100000, 0x103fff) AM_RAM
	AM_RANGE(0x140000, 0x140001) AM_WRITE(cpuB_irqenable_w)
	AM_RANGE(0x200000, 0x203fff) AM_RAM AM_SHARE(1)
	AM_RANGE(0x24c000, 0x253fff) AM_READWRITE(K052109_halfword_r, K052109_halfword_w)
	AM_RANGE(0x280000, 0x29ffff) AM_RAM_WRITE(gradius3_gfxram_w) AM_SHARE(2)
	AM_RANGE(0x2c0000, 0x2c000f) AM_READWRITE(K051937_halfword_r, K051937_halfword_w)
	AM_RANGE(0x2c0800, 0x2c0fff) AM_READWRITE(K051960_halfword_r, K051960_halfword_w)
	AM_RANGE(0x400000, 0x5fffff) AM_READ(gradius3_gfxrom_r)		/* gfx ROMs are mapped here, and copied to RAM */
ADDRESS_MAP_END


static ADDRESS_MAP_START( gradius3_s_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xefff) AM_ROM
	AM_RANGE(0xf000, 0xf000) AM_DEVWRITE("konami", sound_bank_w)				/* 007232 bankswitch */
	AM_RANGE(0xf010, 0xf010) AM_READ(soundlatch_r)
	AM_RANGE(0xf020, 0xf02d) AM_DEVREADWRITE("konami", k007232_r, k007232_w)
	AM_RANGE(0xf030, 0xf031) AM_DEVREADWRITE("ym", ym2151_r, ym2151_w)
	AM_RANGE(0xf800, 0xffff) AM_RAM
ADDRESS_MAP_END



static INPUT_PORTS_START( gradius3 )
	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("P1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )	// power-up
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )	// shoot
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 )	// missile
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("P2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_COCKTAIL
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("DSW1")
	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 1C_7C ) )
//  PORT_DIPSETTING(    0x00, "Invalid" )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "2" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x18, "20000 and every 70000" )
	PORT_DIPSETTING(    0x10, "100000 and every 100000" )
	PORT_DIPSETTING(    0x08, "50000" )
	PORT_DIPSETTING(    0x00, "100000" )
	PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "Upright Controls" )
	PORT_DIPSETTING(    0x02, DEF_STR( Single ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Dual ) )
	PORT_SERVICE( 0x04, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END



static void volume_callback(const device_config *device, int v)
{
	k007232_set_volume(device,0,(v >> 4) * 0x11,0);
	k007232_set_volume(device,1,0,(v & 0x0f) * 0x11);
}

static const k007232_interface k007232_config =
{
	volume_callback	/* external port callback */
};



static MACHINE_DRIVER_START( gradius3 )

	/* basic machine hardware */
	MDRV_CPU_ADD("maincpu", M68000, 10000000)	/* 10 MHz */
	MDRV_CPU_PROGRAM_MAP(gradius3_map,0)
	MDRV_CPU_VBLANK_INT("screen", cpuA_interrupt)

	MDRV_CPU_ADD("sub", M68000, 10000000)	/* 10 MHz */
	MDRV_CPU_PROGRAM_MAP(gradius3_map2,0)
	MDRV_CPU_VBLANK_INT_HACK(cpuB_interrupt,2)	/* has three interrupt vectors, 1 2 and 4 */
								/* 4 is triggered by cpu A, the others are unknown but */
								/* required for the game to run. */
	MDRV_CPU_ADD("audiocpu", Z80, 3579545)
	MDRV_CPU_PROGRAM_MAP(gradius3_s_map,0)

	MDRV_QUANTUM_TIME(HZ(6000))

	MDRV_MACHINE_RESET(gradius3)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_HAS_SHADOWS)

	MDRV_SCREEN_ADD("screen", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(64*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(12*8, (64-12)*8-1, 2*8, 30*8-1 )

	MDRV_PALETTE_LENGTH(2048)

	MDRV_VIDEO_START(gradius3)
	MDRV_VIDEO_UPDATE(gradius3)

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

	MDRV_SOUND_ADD("ym", YM2151, 3579545)
	MDRV_SOUND_ROUTE(0, "lspeaker", 1.0)
	MDRV_SOUND_ROUTE(1, "rspeaker", 1.0)

	MDRV_SOUND_ADD("konami", K007232, 3579545)
	MDRV_SOUND_CONFIG(k007232_config)
	MDRV_SOUND_ROUTE(0, "lspeaker", 0.20)
	MDRV_SOUND_ROUTE(0, "rspeaker", 0.20)
	MDRV_SOUND_ROUTE(1, "lspeaker", 0.20)
	MDRV_SOUND_ROUTE(1, "rspeaker", 0.20)
MACHINE_DRIVER_END



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

  Game driver(s)

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

ROM_START( gradius3 )
	ROM_REGION( 0x40000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "945_s13.f15",		0x00000, 0x20000, CRC(70c240a2) SHA1(82dc391572e1f61b0182cb031654d71adcdd5f6e) )
	ROM_LOAD16_BYTE( "945_s12.e15",		0x00001, 0x20000, CRC(bbc300d4) SHA1(e1ca98bc591575285d7bd2d4fefdf35fed10dcb6) )

	ROM_REGION( 0x100000, "sub", 0 )
	ROM_LOAD16_BYTE( "945_m09.r17",		0x000000, 0x20000, CRC(b4a6df25) SHA1(85533cf140d28f6f81c0b49b8061bda0924a613a) )
	ROM_LOAD16_BYTE( "945_m08.n17",		0x000001, 0x20000, CRC(74e981d2) SHA1(e7b47a2da01ff73293d2100c48fdf00b33125af5) )
	ROM_LOAD16_BYTE( "945_l06b.r11",	0x040000, 0x20000, CRC(83772304) SHA1(a90c75a3de670b6ec5e0fc201876d463b4a76766) )
	ROM_LOAD16_BYTE( "945_l06a.n11",	0x040001, 0x20000, CRC(e1fd75b6) SHA1(6160d80a2f1bf550e85d6253cf521a96f5a644cc) )
	ROM_LOAD16_BYTE( "945_l07c.r15",	0x080000, 0x20000, CRC(c1e399b6) SHA1(e95bd478dd3beea0175bf9ee4cededb111c4ace1) )
	ROM_LOAD16_BYTE( "945_l07a.n15",	0x080001, 0x20000, CRC(96222d04) SHA1(b55700f683a556b0e73dbac9c7b4ce485420d21c) )
	ROM_LOAD16_BYTE( "945_l07d.r13",	0x0c0000, 0x20000, CRC(4c16d4bd) SHA1(01dcf169b78a1e495214b10181401d1920b0c924) )
	ROM_LOAD16_BYTE( "945_l07b.n13",	0x0c0001, 0x20000, CRC(5e209d01) SHA1(0efa1bbfdc7e2ba1e0bb96245e2bfe961258b446) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "945_m05.d9",				0x00000, 0x10000, CRC(c8c45365) SHA1(b9a7b736b52bca42c7b8c8ed64c8df73e0116158) )

	ROM_REGION( 0x20000, "gfx1", ROMREGION_ERASE00 )	/* fake */
	/* gfx data is dynamically generated in RAM */

	ROM_REGION( 0x200000, "gfx2", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "945_a02.l3",				0x000000, 0x80000, CRC(4dfffd74) SHA1(588210bac27448240ef08961f70b714b69cb3ffd) )
	ROM_LOAD16_BYTE( "945_l04a.k6",		0x080000, 0x20000, CRC(884e21ee) SHA1(ce86dd3a06775e5b1aa09db010dcb674e67828e7) )
	ROM_LOAD16_BYTE( "945_l04c.m6",		0x080001, 0x20000, CRC(45bcd921) SHA1(e51a8a71362a6fb55124aa1dce74519c0a3c6e3f) )
	ROM_LOAD16_BYTE( "945_l04b.k8",		0x0c0000, 0x20000, CRC(843bc67d) SHA1(cdf8421083f24ab27867ed5d08d8949da192b2b9) )
	ROM_LOAD16_BYTE( "945_l04d.m8",		0x0c0001, 0x20000, CRC(0a98d08e) SHA1(1e0ca51a2d45c01fa3f11950ddd387f41ddae691) )
	ROM_LOAD( "945_a01.h3",				0x100000, 0x80000, CRC(339d6dd2) SHA1(6a52b826aba92c75fc6a5926184948735dc20812) )
	ROM_LOAD16_BYTE( "945_l03a.e6",		0x180000, 0x20000, CRC(a67ef087) SHA1(fd63474f3bbde5dfc53ed4c1db25d6411a8b54d2) )
	ROM_LOAD16_BYTE( "945_l03c.h6",		0x180001, 0x20000, CRC(a56be17a) SHA1(1d387736144c30fcb5de54235331ab1ff70c356e) )
	ROM_LOAD16_BYTE( "945_l03b.e8",		0x1c0000, 0x20000, CRC(933e68b9) SHA1(f3a39446ca77d17fdbd938bd5f718ae9d5570879) )
	ROM_LOAD16_BYTE( "945_l03d.h8",		0x1c0001, 0x20000, CRC(f375e87b) SHA1(6427b966795c907c8e516244872fe52217da62c4) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "945l14.j28",				0x0000, 0x0100, CRC(c778c189) SHA1(847eaf379ba075c25911c6f83dd63ff390534f60) )	/* priority encoder (not used) */

	ROM_REGION( 0x80000, "konami", 0 )	/* 007232 samples */
	ROM_LOAD( "945_a10.b15",			0x00000, 0x40000, CRC(1d083e10) SHA1(b116f133a7647ef7a6c373aff00e9622d9954b61) )
	ROM_LOAD( "945_l11a.c18",			0x40000, 0x20000, CRC(6043f4eb) SHA1(1c2e9ace1cfdde504b7b6158e3c3f54dc5ae33d4) )
	ROM_LOAD( "945_l11b.c20",			0x60000, 0x20000, CRC(89ea3baf) SHA1(8edcbaa7969185cfac48c02559826d1b8b081f3f) )
ROM_END

ROM_START( grdius3a )
	ROM_REGION( 0x40000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "945_13.f15",		0x00000, 0x20000, CRC(9974fe6b) SHA1(c18ad8d7c93bf58d886715d8e210177cf49f220b) )
	ROM_LOAD16_BYTE( "945_12.e15",		0x00001, 0x20000, CRC(e9771b91) SHA1(c9f4610b897c13742b44b546e2bed8ee21945f61) )

	ROM_REGION( 0x100000, "sub", 0 )
	ROM_LOAD16_BYTE( "945_m09.r17",		0x000000, 0x20000, CRC(b4a6df25) SHA1(85533cf140d28f6f81c0b49b8061bda0924a613a) )
	ROM_LOAD16_BYTE( "945_m08.n17",		0x000001, 0x20000, CRC(74e981d2) SHA1(e7b47a2da01ff73293d2100c48fdf00b33125af5) )
	ROM_LOAD16_BYTE( "945_l06b.r11",	0x040000, 0x20000, CRC(83772304) SHA1(a90c75a3de670b6ec5e0fc201876d463b4a76766) )
	ROM_LOAD16_BYTE( "945_l06a.n11",	0x040001, 0x20000, CRC(e1fd75b6) SHA1(6160d80a2f1bf550e85d6253cf521a96f5a644cc) )
	ROM_LOAD16_BYTE( "945_l07c.r15",	0x080000, 0x20000, CRC(c1e399b6) SHA1(e95bd478dd3beea0175bf9ee4cededb111c4ace1) )
	ROM_LOAD16_BYTE( "945_l07a.n15",	0x080001, 0x20000, CRC(96222d04) SHA1(b55700f683a556b0e73dbac9c7b4ce485420d21c) )
	ROM_LOAD16_BYTE( "945_l07d.r13",	0x0c0000, 0x20000, CRC(4c16d4bd) SHA1(01dcf169b78a1e495214b10181401d1920b0c924) )
	ROM_LOAD16_BYTE( "945_l07b.n13",	0x0c0001, 0x20000, CRC(5e209d01) SHA1(0efa1bbfdc7e2ba1e0bb96245e2bfe961258b446) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "945_m05.d9",				0x00000, 0x10000, CRC(c8c45365) SHA1(b9a7b736b52bca42c7b8c8ed64c8df73e0116158) )

	ROM_REGION( 0x20000, "gfx1", ROMREGION_ERASE00 )	/* fake */
	/* gfx data is dynamically generated in RAM */

	ROM_REGION( 0x200000, "gfx2", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "945_a02.l3",				0x000000, 0x80000, CRC(4dfffd74) SHA1(588210bac27448240ef08961f70b714b69cb3ffd) )
	ROM_LOAD16_BYTE( "945_l04a.k6",		0x080000, 0x20000, CRC(884e21ee) SHA1(ce86dd3a06775e5b1aa09db010dcb674e67828e7) )
	ROM_LOAD16_BYTE( "945_l04c.m6",		0x080001, 0x20000, CRC(45bcd921) SHA1(e51a8a71362a6fb55124aa1dce74519c0a3c6e3f) )
	ROM_LOAD16_BYTE( "945_l04b.k8",		0x0c0000, 0x20000, CRC(843bc67d) SHA1(cdf8421083f24ab27867ed5d08d8949da192b2b9) )
	ROM_LOAD16_BYTE( "945_l04d.m8",		0x0c0001, 0x20000, CRC(0a98d08e) SHA1(1e0ca51a2d45c01fa3f11950ddd387f41ddae691) )
	ROM_LOAD( "945_a01.h3",				0x100000, 0x80000, CRC(339d6dd2) SHA1(6a52b826aba92c75fc6a5926184948735dc20812) )
	ROM_LOAD16_BYTE( "945_l03a.e6",		0x180000, 0x20000, CRC(a67ef087) SHA1(fd63474f3bbde5dfc53ed4c1db25d6411a8b54d2) )
	ROM_LOAD16_BYTE( "945_l03c.h6",		0x180001, 0x20000, CRC(a56be17a) SHA1(1d387736144c30fcb5de54235331ab1ff70c356e) )
	ROM_LOAD16_BYTE( "945_l03b.e8",		0x1c0000, 0x20000, CRC(933e68b9) SHA1(f3a39446ca77d17fdbd938bd5f718ae9d5570879) )
	ROM_LOAD16_BYTE( "945_l03d.h8",		0x1c0001, 0x20000, CRC(f375e87b) SHA1(6427b966795c907c8e516244872fe52217da62c4) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "945l14.j28",				0x0000, 0x0100, CRC(c778c189) SHA1(847eaf379ba075c25911c6f83dd63ff390534f60) )	/* priority encoder (not used) */

	ROM_REGION( 0x80000, "konami", 0 )	/* 007232 samples */
	ROM_LOAD( "945_a10.b15",			0x00000, 0x40000, CRC(1d083e10) SHA1(b116f133a7647ef7a6c373aff00e9622d9954b61) )
	ROM_LOAD( "945_l11a.c18",			0x40000, 0x20000, CRC(6043f4eb) SHA1(1c2e9ace1cfdde504b7b6158e3c3f54dc5ae33d4) )
	ROM_LOAD( "945_l11b.c20",			0x60000, 0x20000, CRC(89ea3baf) SHA1(8edcbaa7969185cfac48c02559826d1b8b081f3f) )
ROM_END

ROM_START( grdius3e )
	ROM_REGION( 0x40000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "945_r13.f15",		0x00000, 0x20000, CRC(cffd103f) SHA1(6bd15e8c2e6e5223d7de9b0b375f36f3e81f60ba) )
	ROM_LOAD16_BYTE( "945_r12.e15",		0x00001, 0x20000, CRC(0b968ef6) SHA1(ba28d16d94b13aac791b11d3d91df26f78e2e477) )

	ROM_REGION( 0x100000, "sub", 0 )
	ROM_LOAD16_BYTE( "945_m09.r17",		0x000000, 0x20000, CRC(b4a6df25) SHA1(85533cf140d28f6f81c0b49b8061bda0924a613a) )
	ROM_LOAD16_BYTE( "945_m08.n17",		0x000001, 0x20000, CRC(74e981d2) SHA1(e7b47a2da01ff73293d2100c48fdf00b33125af5) )
	ROM_LOAD16_BYTE( "945_l06b.r11",	0x040000, 0x20000, CRC(83772304) SHA1(a90c75a3de670b6ec5e0fc201876d463b4a76766) )
	ROM_LOAD16_BYTE( "945_l06a.n11",	0x040001, 0x20000, CRC(e1fd75b6) SHA1(6160d80a2f1bf550e85d6253cf521a96f5a644cc) )
	ROM_LOAD16_BYTE( "945_l07c.r15",	0x080000, 0x20000, CRC(c1e399b6) SHA1(e95bd478dd3beea0175bf9ee4cededb111c4ace1) )
	ROM_LOAD16_BYTE( "945_l07a.n15",	0x080001, 0x20000, CRC(96222d04) SHA1(b55700f683a556b0e73dbac9c7b4ce485420d21c) )
	ROM_LOAD16_BYTE( "945_l07d.r13",	0x0c0000, 0x20000, CRC(4c16d4bd) SHA1(01dcf169b78a1e495214b10181401d1920b0c924) )
	ROM_LOAD16_BYTE( "945_l07b.n13",	0x0c0001, 0x20000, CRC(5e209d01) SHA1(0efa1bbfdc7e2ba1e0bb96245e2bfe961258b446) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "945_m05.d9",				0x00000, 0x10000, CRC(c8c45365) SHA1(b9a7b736b52bca42c7b8c8ed64c8df73e0116158) ) /* 945_r05.d9 */

	ROM_REGION( 0x20000, "gfx1", ROMREGION_ERASE00 )	/* fake */
	/* gfx data is dynamically generated in RAM */

	ROM_REGION( 0x200000, "gfx2", 0 )	/* graphics (addressable by the main CPU) */
	ROM_LOAD( "945_a02.l3",				0x000000, 0x80000, CRC(4dfffd74) SHA1(588210bac27448240ef08961f70b714b69cb3ffd) )
	ROM_LOAD16_BYTE( "945_l04a.k6",		0x080000, 0x20000, CRC(884e21ee) SHA1(ce86dd3a06775e5b1aa09db010dcb674e67828e7) )
	ROM_LOAD16_BYTE( "945_l04c.m6",		0x080001, 0x20000, CRC(45bcd921) SHA1(e51a8a71362a6fb55124aa1dce74519c0a3c6e3f) )
	ROM_LOAD16_BYTE( "945_l04b.k8",		0x0c0000, 0x20000, CRC(843bc67d) SHA1(cdf8421083f24ab27867ed5d08d8949da192b2b9) )
	ROM_LOAD16_BYTE( "945_l04d.m8",		0x0c0001, 0x20000, CRC(0a98d08e) SHA1(1e0ca51a2d45c01fa3f11950ddd387f41ddae691) )
	ROM_LOAD( "945_a01.h3",				0x100000, 0x80000, CRC(339d6dd2) SHA1(6a52b826aba92c75fc6a5926184948735dc20812) )
	ROM_LOAD16_BYTE( "945_l03a.e6",		0x180000, 0x20000, CRC(a67ef087) SHA1(fd63474f3bbde5dfc53ed4c1db25d6411a8b54d2) )
	ROM_LOAD16_BYTE( "945_l03c.h6",		0x180001, 0x20000, CRC(a56be17a) SHA1(1d387736144c30fcb5de54235331ab1ff70c356e) )
	ROM_LOAD16_BYTE( "945_l03b.e8",		0x1c0000, 0x20000, CRC(933e68b9) SHA1(f3a39446ca77d17fdbd938bd5f718ae9d5570879) )
	ROM_LOAD16_BYTE( "945_l03d.h8",		0x1c0001, 0x20000, CRC(f375e87b) SHA1(6427b966795c907c8e516244872fe52217da62c4) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "945l14.j28",				0x0000, 0x0100, CRC(c778c189) SHA1(847eaf379ba075c25911c6f83dd63ff390534f60) )	/* priority encoder (not used) */

	ROM_REGION( 0x80000, "konami", 0 )	/* 007232 samples */
	ROM_LOAD( "945_a10.b15",			0x00000, 0x40000, CRC(1d083e10) SHA1(b116f133a7647ef7a6c373aff00e9622d9954b61) )
	ROM_LOAD( "945_l11a.c18",			0x40000, 0x20000, CRC(6043f4eb) SHA1(1c2e9ace1cfdde504b7b6158e3c3f54dc5ae33d4) )
	ROM_LOAD( "945_l11b.c20",			0x60000, 0x20000, CRC(89ea3baf) SHA1(8edcbaa7969185cfac48c02559826d1b8b081f3f) )
ROM_END


static DRIVER_INIT( gradius3 )
{
	konami_rom_deinterleave_2(machine, "gfx2");
}



GAME( 1989, gradius3, 0,        gradius3, gradius3, gradius3, ROT0, "Konami", "Gradius III (Japan)", 0 )
GAME( 1989, grdius3a, gradius3, gradius3, gradius3, gradius3, ROT0, "Konami", "Gradius III (Asia)", 0 )
GAME( 1989, grdius3e, gradius3, gradius3, gradius3, gradius3, ROT0, "Konami", "Gradius III (World ?)", 0 )