summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/thunderx.cpp
blob: 9f50f97de8ad10b9a08cfd62378e4f7c7c6fa1b3 (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
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
// license:BSD-3-Clause
// copyright-holders:Bryan McPhail, Manuel Abadia
/***************************************************************************

    Super Contra  (GX775) (c) 1988 Konami
    Thunder Cross (GX873) (c) 1988 Konami
    Gang Busters  (GX878) (c) 1988 Konami

    driver by Bryan McPhail, Manuel Abadia

    K052591 emulation by Eddie Edwards

    These three games run on very similar boards, to the extent that
    Thunder Cross and Gang Busters share the same schematics with
    callouts ("USED ONLY GX873" or "USED ONLY GX878") to indicate the
    per-game differences.

    Super Contra uses an external latch for program ROM banking
    instead of the builtin banking of the Konami custom CPU,
    and is the only one of the three games that uses sprite shadows.

    Thunder Cross has no 007232 sound chip, and has a 052591 PMC,
    a programmable custom chip also used by S.P.Y. and Hexion.
    Here it's used for collision detection.

    Gang Busters uses the 052526 custom CPU instead of 052001, and
    has slightly different tile ROM addressing.

- There was a set in MAME at one time that was given the setname (thndrxja)
  which is supposedly a later revision of the japanese set currently in MAME.
  No roms were ever sourced for this set, so the GAME macro no longer exists.

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

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

#include "cpu/z80/z80.h"
#include "machine/gen_latch.h"
#include "machine/watchdog.h"
#include "sound/ym2151.h"
#include "speaker.h"

//#define VERBOSE 1
#include "logmacro.h"


void thunderx_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
	switch (id)
	{
	case TIMER_THUNDERX_FIRQ:
		m_maincpu->set_input_line(KONAMI_FIRQ_LINE, HOLD_LINE);
		break;
	default:
		throw emu_fatalerror("Unknown id in thunderx_state::device_timer");
	}
}

#define PMC_BK (m_1f98_latch & 0x02)

READ8_MEMBER(thunderx_state::pmc_r)
{
	if (PMC_BK)
	{
//      logerror("%04x read pmcram %04x\n",m_audiocpu->pc(),offset);
		return m_pmcram[offset];
	}
	else
	{
		LOG("%04x read pmc internal ram %04x\n",m_audiocpu->pc(),offset);
		return 0;
	}
}

WRITE8_MEMBER(thunderx_state::pmc_w)
{
	if (PMC_BK)
	{
		LOG("%04x pmcram %04x = %02x\n",m_audiocpu->pc(),offset,data);
		m_pmcram[offset] = data;
	}
	else
	{
		LOG("%04x pmc internal ram %04x = %02x\n",m_audiocpu->pc(),offset,data);
	}
}

/*
this is the data written to internal ram on startup:

    Japan version   US version
00: e7 00 00 ad 08  e7 00 00 ad 08
01: 5f 80 05 a0 0c  1f 80 05 a0 0c                                                      LDW ACC,RAM+05
02:                 42 7e 00 8b 04                                                      regE
03: df 00 e2 8b 08  df 8e 00 cb 04                                                      regE
04: 5f 80 06 a0 0c  5f 80 07 a0 0c                                                      LDB ACC,RAM+07
05: df 7e 00 cb 08  df 7e 00 cb 08                                                      LDB R7,[Rx]
06: 1b 80 00 a0 0c  1b 80 00 a0 0c  LDPTR #0                                             PTR2,RAM+00
07: df 10 00 cb 08  df 10 00 cb 08  LDB R1,[PTR] (fl)                                   LDB R1,[Rx] (flags)
08: 5f 80 03 a0 0c  5f 80 03 a0 0c  LDB R0,[3] (cm)                                     LDB ACC,RAM+03    load collide mask
09: 1f 20 00 cb 08  1f 20 00 cb 08  LD CMP2,R0                                          test (AND) R1 vs ACC
0a: c4 00 00 ab 0c  c4 00 00 ab 0c  INC PTR                                             LEA Rx,[++PTR2]
0b: df 20 00 cb 08  df 20 00 cb 08  LDB R2,[PTR] (w)                                    LDB R2,[Rx] (width)
0c: c4 00 00 ab 0c  c4 00 00 ab 0c  INC PTR                                             LEA Rx,[++PTR2]
0d: df 30 00 cb 08  df 30 00 cb 08  LDB R3,[PTR] (h)                                    LDB R3,[Rx] (height)
0e: c4 00 00 ab 0c  c4 00 00 ab 0c  INC PTR                                             LEA Rx,[++PTR2]
0f: df 40 00 cb 08  df 40 00 cb 08  LDB R4,[PTR] (x)                                    LDB R4,[Rx] (x)
10: c4 00 00 ab 0c  c4 00 00 ab 0c  INC PTR                                             LEA Rx,[++PTR2]
11: df 50 00 cb 08  df 50 00 cb 08  LDB R5,[PTR] (y)                                    LDB R5,[Rx] (y)
12: 60 22 35 e9 08  60 22 36 e9 08  BANDZ CMP2,R1,36                                    R2/R1, BEQ 36
13: 44 0e 00 ab 08  44 0e 00 ab 08  MOVE PTR,INNER                                      LEA Rx,[PTR,0]    load flags
14: df 60 00 cb 08  df 60 00 cb 08  LDB R6,[PTR] (fl)                                   LDB R6,[Rx]
15: 5f 80 04 a0 0c  5f 80 04 a0 0c  LDB R0,[4] (hm)                                     LDB ACC,RAM+04    load hit mask
16: 1f 60 00 cb 08  1f 60 00 cb 08  LD CMP6,R0                                          test R6 and ACC (AND)
17: 60 6c 31 e9 08  60 6c 32 e9 08  BANDZ CMP6,R6,32                                    R6, BEQ 32
18: 45 8e 01 a0 0c  45 8e 01 a0 0c  LDB R0,[INNER+1]                                    LDB Ry,[PTR,1] (width)
19: c5 64 00 cb 08  c5 64 00 cb 08  ADD ACC,R0,R2                                       R6 = ADD Ry,R2
1a: 45 8e 03 a0 0c  45 8e 03 a0 0c  LDB R0,[INNER+3]                                    LDB Ry,[PTR,3] (x)
1b: 67 00 00 cb 0c  67 00 00 cb 0c  MOV CMP,R0                                          ??? DEC Ry
1c: 15 48 5d c9 0c  15 48 5e c9 0c  SUB CMP,R4 ; BGE 1E                                 SUB R4,Ry; Bcc 1E
1d: 12 00 00 eb 0c  12 00 00 eb 0c  NEG CMP                                             ??? NEG Ry
1e: 48 6c 71 e9 0c  48 6c 72 e9 0c  B (CMP > ACC) 32                                    R6, BLO 32
1f: 45 8e 02 a0 0c  45 8e 02 a0 0c  LDB R0,[INNER+2]                                    LDB Ry,[PTR,2] (height)
20: c5 66 00 cb 08  c5 66 00 cb 08  ADD ACC,R0,R3                                       R6 = ADD Ry,R3
21: 45 8e 04 a0 0c  45 8e 04 a0 0c  LDB R0,[INNER+4]                                    LDB Ry,[PTR,4] (y)
22: 67 00 00 cb 0c  67 00 00 cb 0c  MOV CMP,R0                                          ??? DEC Ry
23: 15 5a 64 c9 0c  15 5a 65 c9 0c  SUB CMP,R5 ; BGE 25                                 SUB R5,Ry; Bcc 25
24: 12 00 00 eb 0c  12 00 00 eb 0c  NEG CMP                                             ??? NEG Ry
25: 48 6c 71 e9 0c  48 6c 72 e9 0c  B (CMP > ACC) 32                                    R6, BLO 32
26: e5 92 9b e0 0c  e5 92 9b e0 0c                                                      AND R1,#$9B
27: dd 92 10 e0 0c  dd 92 10 e0 0c                                                      OR R1,#$10
28: 5c fe 00 a0 0c  5c fe 00 a0 0c                                                      ??? STB [PTR,0]
29: df 60 00 d3 08  df 60 00 d3 08                                                      LDB R6,
2a: e5 ec 9f e0 0c  e5 ec 9f e0 0c                                                      AND R6,#$9F
2b: dd ec 10 00 0c  dd ec 10 00 0c                                                      OR R6,#$10
2c: 25 ec 04 c0 0c  25 ec 04 c0 0c                                                      STB R6,[PTR2,-4]
2d: 18 82 00 00 0c  18 82 00 00 0c
2e: 4d 80 03 a0 0c  4d 80 03 a0 0c                                                      RAM+03
2f: df e0 e6 e0 0c  df e0 36 e1 0c
30: 49 60 75 f1 08  49 60 76 f1 08                                                      Jcc 36
31: 67 00 35 cd 08  67 00 36 cd 08                                                      Jcc 36
32: c5 fe 05 e0 0c  c5 fe 05 e0 0c  ADD R7,R7,5                                         ADD regE,#5
33: 5f 80 02 a0 0c  5f 80 02 a0 0c  LDB R0, [2]                                         LDB ACC,RAM+02
34: 1f 00 00 cb 08  1f 00 00 cb 08  LCMP CMP0,R0
35: 48 6e 52 c9 0c  48 6e 53 c9 0c  BNEQ CMP0,R7, 33                                    R6/R7, BLO 13
36: c4 00 00 ab 0c  c4 00 00 ab 0c  INC PTR                                             LEA Rx,[++PTR2]
37: 27 00 00 ab 0c  27 00 00 ab 0c
38: 42 00 00 8b 04  42 00 00 8b 04  MOVE PTR, OUTER
39: 1f 00 00 cb 00  1f 00 00 cb 00   LCMP CMP0 ??                                       test PTR2 vs ACC
3a: 48 00 43 c9 00  48 00 44 c9 00  BLT 4                                               BLT 04      next in set 0
3b: 5f fe 00 e0 08  5f fe 00 e0 08
3c: 5f 7e 00 ed 08  5f 7e 00 ed 08
3d: ff 04 00 ff 06  ff 04 00 ff 06  STOP                                                STOP
3e: 05 07 ff 02 03  05 07 ff 02 03
3f: 01 01 e0 02 6c  01 00 60 00 a0
    03 6c 04 40 04
*/

// run_collisions
//
// collide objects from s0 to e0 against
// objects from s1 to e1
//
// only compare objects with the specified bits (cm) set in their flags
// only set object 0's hit bit if (hm & 0x40) is true
//
// the data format is:
//
// +0 : flags
// +1 : width (4 pixel units)
// +2 : height (4 pixel units)
// +3 : x (2 pixel units) of center of object
// +4 : y (2 pixel units) of center of object

void thunderx_state::run_collisions( int s0, int e0, int s1, int e1, int cm, int hm )
{
	uint8_t* p0;
	uint8_t* p1;
	int ii, jj;

	p0 = &m_pmcram[16 + 5 * s0];
	for (ii = s0; ii < e0; ii++, p0 += 5)
	{
		int l0, r0, b0, t0;

		// check valid
		if (!(p0[0] & cm))          continue;

		// get area
		l0 = p0[3] - p0[1];
		r0 = p0[3] + p0[1];
		t0 = p0[4] - p0[2];
		b0 = p0[4] + p0[2];

		p1 = &m_pmcram[16 + 5 * s1];
		for (jj = s1; jj < e1; jj++,p1 += 5)
		{
			int l1,r1,b1,t1;

			// check valid
			if (!(p1[0] & hm))      continue;

			// get area
			l1 = p1[3] - p1[1];
			r1 = p1[3] + p1[1];
			t1 = p1[4] - p1[2];
			b1 = p1[4] + p1[2];

			// overlap check
			if (l1 >= r0)   continue;
			if (l0 >= r1)   continue;
			if (t1 >= b0)   continue;
			if (t0 >= b1)   continue;

			// set flags
			p0[0] = (p0[0] & 0x9f) | (p1[0] & 0x04) | 0x10;
			p1[0] = (p1[0] & 0x9f) | 0x10;
		}
	}
}

// calculate_collisions
//
// emulates K052591 collision detection

void thunderx_state::calculate_collisions(  )
{
	int X0,Y0;
	int X1,Y1;
	int CM,HM;

	// the data at 0x00 to 0x06 defines the operation
	//
	// 0x00 : word : last byte of set 0
	// 0x02 : byte : last byte of set 1
	// 0x03 : byte : collide mask
	// 0x04 : byte : hit mask
	// 0x05 : byte : first byte of set 0
	// 0x06 : byte : first byte of set 1
	//
	// the USA version is slightly different:
	//
	// 0x05 : word : first byte of set 0
	// 0x07 : byte : first byte of set 1
	//
	// the operation is to intersect set 0 with set 1
	// collide mask specifies objects to ignore
	// hit mask is 40 to set bit on object 0 and object 1
	// hit mask is 20 to set bit on object 1 only

	Y0 = m_pmcram[0];
	Y0 = (Y0 << 8) + m_pmcram[1];
	Y0 = (Y0 - 15) / 5;
	Y1 = (m_pmcram[2] - 15) / 5;

	if (m_pmcram[5] < 16)
	{
		// US Thunder Cross uses this form
		X0 = m_pmcram[5];
		X0 = (X0 << 8) + m_pmcram[6];
		X0 = (X0 - 16) / 5;
		X1 = (m_pmcram[7] - 16) / 5;
	}
	else
	{
		// Japan Thunder Cross uses this form
		X0 = (m_pmcram[5] - 16) / 5;
		X1 = (m_pmcram[6] - 16) / 5;
	}

	CM = m_pmcram[3];
	HM = m_pmcram[4];

	run_collisions(X0, Y0, X1, Y1, CM, HM);
}

WRITE8_MEMBER(thunderx_state::scontra_1f98_w)
{
	// bit 0 = enable char ROM reading through the video RAM
	m_k052109->set_rmrd_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);

	m_1f98_latch = data;
}

READ8_MEMBER(thunderx_state::_1f98_r)
{
	// thunderx and gbusters read from here during the gfx rom test...
	// though it doesn't look like it should be readable based on the schematics
	return m_1f98_latch;
}

WRITE8_MEMBER(thunderx_state::thunderx_1f98_w)
{
	// logerror("%04x: 1f98_w %02x\n", m_maincpu->pc(),data);

	// bit 0 = enable char ROM reading through the video RAM
	m_k052109->set_rmrd_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);

	// bit 1 = PMC BK (select PMC program or data RAM)
	// handled in pmc_r() and pmc_w()

	// bit 2 = PMC START (do collision detection when 0->1)
	if ((data & 4) && !(m_1f98_latch & 4))
	{
		calculate_collisions();

		/* 100 cycle delay is arbitrary */
		m_thunderx_firq_timer->adjust(m_maincpu->cycles_to_attotime(100));
	}

	m_1f98_latch = data;
}

WRITE8_MEMBER(thunderx_state::scontra_bankswitch_w)
{
	// bits 0-3 select ROM bank at 6000-7fff
	m_rombank->set_entry(data & 0x0f);

	// bit 4 selects work RAM or palette RAM at 5800-5fff
	m_bank5800->set_bank((data & 0x10) >> 4);

	// bits 5-6 coin counters
	machine().bookkeeping().coin_counter_w(0, data & 0x20);
	machine().bookkeeping().coin_counter_w(1, data & 0x40);

	// bit 7 controls layer priority
	m_priority = data & 0x80;
}

WRITE8_MEMBER(thunderx_state::thunderx_videobank_w)
{
	// 0x01 = work RAM at 4000-5fff
	// 0x00 = palette at 5800-5fff
	// 0x10 = PMC at 5800-5fff
	m_bank5800->set_bank(data & 0x10 ? 2 : (data & 0x1));

	/* bits 1-2 coin counters */
	machine().bookkeeping().coin_counter_w(0, data & 0x02);
	machine().bookkeeping().coin_counter_w(1, data & 0x04);

	/* bit 3 controls layer priority */
	m_priority = data & 0x08;
}

WRITE8_MEMBER(thunderx_state::gbusters_videobank_w)
{
	// same as thunderx without the PMC
	m_bank5800->set_bank(data & 0x1);

	machine().bookkeeping().coin_counter_w(0, data & 0x02);
	machine().bookkeeping().coin_counter_w(1, data & 0x04);

	m_priority = data & 0x08;
}

WRITE8_MEMBER(thunderx_state::sh_irqtrigger_w)
{
	m_audiocpu->set_input_line_and_vector(0, HOLD_LINE, 0xff); // Z80
}

WRITE8_MEMBER(thunderx_state::k007232_bankswitch_w)
{
	/* b3-b2: bank for channel B */
	/* b1-b0: bank for channel A */
	int bank_A = (data & 0x03);
	int bank_B = ((data >> 2) & 0x03);
	m_k007232->set_bank(bank_A, bank_B);
}

READ8_MEMBER(thunderx_state::k052109_051960_r)
{
	if (m_k052109->get_rmrd_line() == CLEAR_LINE)
	{
		if (offset >= 0x3800 && offset < 0x3808)
			return m_k051960->k051937_r(offset - 0x3800);
		else if (offset < 0x3c00)
			return m_k052109->read(offset);
		else
			return m_k051960->k051960_r(offset - 0x3c00);
	}
	else
		return m_k052109->read(offset);
}

WRITE8_MEMBER(thunderx_state::k052109_051960_w)
{
	if (offset >= 0x3800 && offset < 0x3808)
		m_k051960->k051937_w(offset - 0x3800, data);
	else if (offset < 0x3c00)
		m_k052109->write(offset, data);
	else
		m_k051960->k051960_w(offset - 0x3c00, data);
}

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

void thunderx_state::scontra_map(address_map &map)
{
	map(0x0000, 0x3fff).rw(FUNC(thunderx_state::k052109_051960_r), FUNC(thunderx_state::k052109_051960_w));       /* video RAM + sprite RAM */

	map(0x1f80, 0x1f80).w(FUNC(thunderx_state::scontra_bankswitch_w)); /* bankswitch control + coin counters */
	map(0x1f84, 0x1f84).w("soundlatch", FUNC(generic_latch_8_device::write));
	map(0x1f88, 0x1f88).w(FUNC(thunderx_state::sh_irqtrigger_w));     /* cause interrupt on audio CPU */
	map(0x1f8c, 0x1f8c).w("watchdog", FUNC(watchdog_timer_device::reset_w));
	map(0x1f90, 0x1f90).portr("SYSTEM");
	map(0x1f91, 0x1f91).portr("P1");
	map(0x1f92, 0x1f92).portr("P2");
	map(0x1f93, 0x1f93).portr("DSW3");
	map(0x1f94, 0x1f94).portr("DSW1");
	map(0x1f95, 0x1f95).portr("DSW2");
	map(0x1f98, 0x1f98).rw(FUNC(thunderx_state::_1f98_r), FUNC(thunderx_state::scontra_1f98_w));

	map(0x4000, 0x57ff).ram();
	map(0x5800, 0x5fff).m(m_bank5800, FUNC(address_map_bank_device::amap8));  /* palette + work RAM + PMC */
	map(0x6000, 0x7fff).bankr("rombank");
	map(0x8000, 0xffff).rom();
}

void thunderx_state::thunderx_map(address_map &map)
{
	scontra_map(map);
	map(0x1f80, 0x1f80).w(FUNC(thunderx_state::thunderx_videobank_w));
	map(0x1f98, 0x1f98).rw(FUNC(thunderx_state::_1f98_r), FUNC(thunderx_state::thunderx_1f98_w)); /* registers */
}

void thunderx_state::gbusters_map(address_map &map)
{
	scontra_map(map);
	map(0x1f80, 0x1f80).w(FUNC(thunderx_state::gbusters_videobank_w));
}


void thunderx_state::scontra_bank5800_map(address_map &map)
{
	map(0x0000, 0x07ff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
	map(0x0800, 0x0fff).ram();
}

void thunderx_state::thunderx_bank5800_map(address_map &map)
{
	map(0x0000, 0x07ff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
	map(0x0800, 0x0fff).ram();
	map(0x1000, 0x17ff).rw(FUNC(thunderx_state::pmc_r), FUNC(thunderx_state::pmc_w)).share("pmcram");
}


void thunderx_state::thunderx_sound_map(address_map &map)
{
	map(0x0000, 0x7fff).rom();
	map(0x8000, 0x87ff).ram();
	map(0xa000, 0xa000).r("soundlatch", FUNC(generic_latch_8_device::read));
	map(0xc000, 0xc001).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write));
}

void thunderx_state::scontra_sound_map(address_map &map)
{
	thunderx_sound_map(map);
	map(0xb000, 0xb00d).rw(m_k007232, FUNC(k007232_device::read), FUNC(k007232_device::write));
	map(0xf000, 0xf000).w(FUNC(thunderx_state::k007232_bankswitch_w));
}

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

    Input Ports

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

static INPUT_PORTS_START( scontra )
	PORT_START("SYSTEM")
	KONAMI8_SYSTEM_UNK

	PORT_START("P1")
	KONAMI8_B12_UNK(1)

	PORT_START("P2")
	KONAMI8_B12_UNK(2)

	PORT_START("DSW1")
	KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), "No Coin B", SW1)
	/* "No Coin B" = coins produce sound, but no effect on coin counter */

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )        PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x03, "2" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x00, "SW2:3" ) // test mode calls it cabinet type, but this is a 2 players game
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW2:4,5")
	PORT_DIPSETTING(    0x18, "30000 200000" )
	PORT_DIPSETTING(    0x10, "50000 300000" )
	PORT_DIPSETTING(    0x08, "30000" )
	PORT_DIPSETTING(    0x00, "50000" )
	PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )   PORT_DIPLOCATION("SW2:6,7")
	PORT_DIPSETTING(    0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Difficult ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Very_Difficult ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )  PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) )  PORT_DIPLOCATION("SW3:1")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPUNKNOWN_DIPLOC( 0x02, 0x02, "SW3:2" )
	PORT_SERVICE_DIPLOC( 0x04, IP_ACTIVE_LOW, "SW3:3" )
	PORT_DIPNAME( 0x08, 0x00, "Continue Limit (1Player/2Players)" ) PORT_DIPLOCATION("SW3:4")
	PORT_DIPSETTING(    0x08, "3times / Twice altogether" )
	PORT_DIPSETTING(    0x00, "5times / 4times altogether" )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( thunderx )
	PORT_INCLUDE( scontra )

	PORT_MODIFY("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )        PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x03, "2" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, "Award Bonus Life" )      PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x04, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW2:4,5")
	PORT_DIPSETTING(    0x18, "30000 200000" ) // Japanese default
	PORT_DIPSETTING(    0x10, "50000 300000" ) // US default
	PORT_DIPSETTING(    0x08, "30000" )
	PORT_DIPSETTING(    0x00, "50000" )
	PORT_DIPNAME( 0x60, 0x60, DEF_STR( Difficulty ) )   PORT_DIPLOCATION("SW2:6,7")
	PORT_DIPSETTING(    0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Difficult ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Very_Difficult ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )  PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_MODIFY("DSW3")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) )  PORT_DIPLOCATION("SW3:1")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPUNUSED_DIPLOC( 0x02, IP_ACTIVE_LOW, "SW3:2" )
	PORT_SERVICE_DIPLOC(   0x04, IP_ACTIVE_LOW, "SW3:3" )
	PORT_DIPUNUSED_DIPLOC( 0x08, IP_ACTIVE_LOW, "SW3:4" )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( thnderxj )
	PORT_INCLUDE( thunderx )

	PORT_MODIFY("DSW2")
	PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x04, "SW2:3" ) // manual says "OFF=Table On=Upright", but not work?
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW2:4,5")
	PORT_DIPSETTING(    0x18, "30000 200000" ) // Japanese default
	PORT_DIPSETTING(    0x10, "50000 300000" ) // US default
	PORT_DIPSETTING(    0x08, "30000" )
	PORT_DIPSETTING(    0x00, "50000" )
INPUT_PORTS_END

static INPUT_PORTS_START( gbusters )
	PORT_INCLUDE( scontra )

	PORT_MODIFY("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )        PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x03, "2" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x04, "Bullets" )           PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x04, "50" )
	PORT_DIPSETTING(    0x00, "60" )
	PORT_DIPNAME( 0x18, 0x10, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW2:4,5")
	PORT_DIPSETTING(    0x18, "50k, 200k, Every 400k" )
	PORT_DIPSETTING(    0x10, "70k, 250k, Every 500k" )
	PORT_DIPSETTING(    0x08, "50k Only" )
	PORT_DIPSETTING(    0x00, "70k Only" )
	PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )   PORT_DIPLOCATION("SW2:6,7")
	PORT_DIPSETTING(    0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Difficult ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Very_Difficult ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )  PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_MODIFY("DSW3")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) )  PORT_DIPLOCATION("SW3:1")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPUNUSED_DIPLOC( 0x02, 0x02, "SW3:2" ) /* Listed as "Unused" */
	PORT_SERVICE_DIPLOC(  0x04, IP_ACTIVE_LOW, "SW3:3" )
	PORT_DIPUNUSED_DIPLOC( 0x08, 0x08, "SW3:4" ) /* Listed as "Unused" */
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END


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

    Machine Driver

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

WRITE8_MEMBER(thunderx_state::volume_callback)
{
	m_k007232->set_volume(0, (data >> 4) * 0x11, 0);
	m_k007232->set_volume(1, 0, (data & 0x0f) * 0x11);
}

void thunderx_state::machine_start()
{
	save_item(NAME(m_1f98_latch));
	save_item(NAME(m_priority));

	// verified from both scontra and thunderx/gbusters schematics
	// banks 4-7 must mirror banks 0-3 for gbusters rom test to pass
	uint8_t *ROM = memregion("maincpu")->base();
	m_rombank->configure_entries(0, 4, &ROM[0], 0x2000);
	m_rombank->configure_entries(4, 4, &ROM[0], 0x2000);
	m_rombank->configure_entries(8, 8, &ROM[0x10000], 0x2000);
}

void thunderx_state::machine_reset()
{
	m_rombank->set_entry(0);
	m_bank5800->set_bank(0);
	m_1f98_latch = 0;
	m_priority = 0;
}

void thunderx_state::scontra(machine_config &config)
{
	/* basic machine hardware */
	KONAMI(config, m_maincpu, XTAL(24'000'000)/2/4); /* 052001 (verified on pcb) */
	m_maincpu->set_addrmap(AS_PROGRAM, &thunderx_state::scontra_map);

	Z80(config, m_audiocpu, XTAL(3'579'545)); /* verified on pcb */
	m_audiocpu->set_addrmap(AS_PROGRAM, &thunderx_state::scontra_sound_map);

	ADDRESS_MAP_BANK(config, m_bank5800).set_map(&thunderx_state::scontra_bank5800_map).set_options(ENDIANNESS_BIG, 8, 12, 0x800);

	WATCHDOG_TIMER(config, "watchdog");

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_refresh_hz(59.17); /* verified on pcb */
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
	screen.set_size(64*8, 32*8);
	screen.set_visarea(12*8, (64-12)*8-1, 2*8, 30*8-1); /* verified on scontra and thunderx PCBs */
	screen.set_screen_update(FUNC(thunderx_state::screen_update));
	screen.set_palette(m_palette);

	PALETTE(config, m_palette).set_format(palette_device::xBGR_555, 1024);
	m_palette->enable_shadows();

	K052109(config, m_k052109, 0); // 051961 on Super Contra and Thunder Cross schematics
	m_k052109->set_palette(m_palette);
	m_k052109->set_screen("screen");
	m_k052109->set_tile_callback(FUNC(thunderx_state::tile_callback), this);
	m_k052109->irq_handler().set_inputline(m_maincpu, KONAMI_IRQ_LINE);

	K051960(config, m_k051960, 0);
	m_k051960->set_palette(m_palette);
	m_k051960->set_screen("screen");
	m_k051960->set_sprite_callback(FUNC(thunderx_state::sprite_callback), this);

	/* sound hardware */
	SPEAKER(config, "mono").front_center();

	GENERIC_LATCH_8(config, "soundlatch");

	YM2151(config, "ymsnd", XTAL(3'579'545)).add_route(0, "mono", 1.0).add_route(1, "mono", 1.0);  /* verified on pcb */

	K007232(config, m_k007232, XTAL(3'579'545)); /* verified on pcb */
	m_k007232->port_write().set(FUNC(thunderx_state::volume_callback));
	m_k007232->add_route(0, "mono", 0.20);
	m_k007232->add_route(1, "mono", 0.20);
}


WRITE8_MEMBER( thunderx_state::banking_callback )
{
	//logerror("%s thunderx bank select %02x\n", machine().describe_context(), data);
	m_rombank->set_entry(data & 0x0f);
}

void thunderx_state::thunderx(machine_config &config)
{
	scontra(config);

	/* basic machine hardware */
	/* CPU type is 052001 (verified on pcb) */
	m_maincpu->set_addrmap(AS_PROGRAM, &thunderx_state::thunderx_map);
	m_maincpu->line().set(FUNC(thunderx_state::banking_callback));

	m_audiocpu->set_addrmap(AS_PROGRAM, &thunderx_state::thunderx_sound_map);

	m_bank5800->set_map(&thunderx_state::thunderx_bank5800_map).set_addr_width(13);

	m_k052109->nmi_handler().set_inputline(m_maincpu, INPUT_LINE_NMI);

	config.device_remove("k007232");
}

void thunderx_state::gbusters(machine_config &config)
{
	scontra(config);

	/* basic machine hardware */
	/* CPU type is 052526 */
	m_maincpu->set_addrmap(AS_PROGRAM, &thunderx_state::gbusters_map);
	m_maincpu->line().set(FUNC(thunderx_state::banking_callback));

	m_k052109->set_tile_callback(FUNC(thunderx_state::gbusters_tile_callback), this);
}


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

  Game ROMs

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

ROM_START( scontra )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "775-e02.k11",     0x00000, 0x10000, CRC(a61c0ead) SHA1(9a0aadc8d3538fc1d88b761753fffcac8923a218) )   /* banked + fixed ROM */
	ROM_LOAD( "775-e03.k13",     0x10000, 0x10000, CRC(00b02622) SHA1(caf1da53815e437e3fb952d29e71f2c314684cd9) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for the SOUND CPU */
	ROM_LOAD( "775-c01.bin", 0x00000, 0x08000, CRC(0ced785a) SHA1(1eebe005a968fbaac595c168499107e34763976c) )

	ROM_REGION( 0x100000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_BYTE( "775-a07a.bin", 0x00000, 0x20000, CRC(e716bdf3) SHA1(82e10132f248aed8cc1aea6bb7afe9a1479c8b59) )
	ROM_LOAD32_BYTE( "775-a07e.bin", 0x00001, 0x20000, CRC(0986e3a5) SHA1(61c33a3f2e4fde7d23d440b5c3151fe38e25716b) )
	ROM_LOAD32_BYTE( "775-a08a.bin", 0x00002, 0x20000, CRC(3ddd11a4) SHA1(4831a891d6cb4507053d576eddd658c338318176) )
	ROM_LOAD32_BYTE( "775-a08e.bin", 0x00003, 0x20000, CRC(1007d963) SHA1(cba4ca058dee1c8cdeb019e1cc50cae76bf419a1) )
	ROM_LOAD32_BYTE( "775-f07c.bin", 0x80000, 0x10000, CRC(b0b30915) SHA1(0abd858f93f7cc5383a805a5ae06c086c120f208) )
	ROM_LOAD32_BYTE( "775-f07g.bin", 0x80001, 0x10000, CRC(fbed827d) SHA1(7fcc6cc03ab6238b05799dd50f38c29eb9f98b5a) )
	ROM_LOAD32_BYTE( "775-f08c.bin", 0x80002, 0x10000, CRC(53abdaec) SHA1(0e0f7fe4bb9139a1ae94506a832153b711961564) )
	ROM_LOAD32_BYTE( "775-f08g.bin", 0x80003, 0x10000, CRC(3df85a6e) SHA1(25a49abbf6e9fe63d4ff6bfff9219c98aa1b5e7b) )
	ROM_LOAD32_BYTE( "775-f07d.bin", 0xc0000, 0x10000, CRC(f184be8e) SHA1(c266be12762f7e81edbe4b36f3c96b03f6ec552b) )
	ROM_LOAD32_BYTE( "775-f07h.bin", 0xc0001, 0x10000, CRC(7b56c348) SHA1(f75c1c0962389f204c8cf1a0bc2da01a922cd742) )
	ROM_LOAD32_BYTE( "775-f08d.bin", 0xc0002, 0x10000, CRC(102dcace) SHA1(03036b6d9d66a12cb3e97980f149c09d1efbd6d8) )
	ROM_LOAD32_BYTE( "775-f08h.bin", 0xc0003, 0x10000, CRC(ad9d7016) SHA1(91e9f279b781eefcafffc70afe207f35cc6f4d9d) )

	ROM_REGION( 0x100000, "k051960", 0 )        /* sprites */
	ROM_LOAD32_BYTE( "775-a05a.bin", 0x00000, 0x10000, CRC(a0767045) SHA1(e6df0731a9fb3b3d918607de81844e1f9353aac7) )
	ROM_LOAD32_BYTE( "775-a05e.bin", 0x00001, 0x10000, CRC(2f656f08) SHA1(140e7948c45d27c6705622d588a65b59ebcc624c) )
	ROM_LOAD32_BYTE( "775-a06a.bin", 0x00002, 0x10000, CRC(77a34ad0) SHA1(3653fb8458c1e7eb7d83b5cd63f02343c0f2d93e) )
	ROM_LOAD32_BYTE( "775-a06e.bin", 0x00003, 0x10000, CRC(8a910c94) SHA1(0387a7f412a977fa7a5ca685653ac1bb3dfdbbcb) )
	ROM_LOAD32_BYTE( "775-a05b.bin", 0x40000, 0x10000, CRC(ab8ad4fd) SHA1(c9ae537fa1607fbd11403390d1da923955f0d1ab) )
	ROM_LOAD32_BYTE( "775-a05f.bin", 0x40001, 0x10000, CRC(1c0eb1b6) SHA1(420eb26acd54ff484301aa2dad587f1b6b437363) )
	ROM_LOAD32_BYTE( "775-a06b.bin", 0x40002, 0x10000, CRC(563fb565) SHA1(96a2a95ab02456e53651718a7080f18c252451c8) )
	ROM_LOAD32_BYTE( "775-a06f.bin", 0x40003, 0x10000, CRC(e14995c0) SHA1(1d7fdfb8f9eacb005b0897b2b62b85ce334cd4d6) )
	ROM_LOAD32_BYTE( "775-f05c.bin", 0x80000, 0x10000, CRC(5647761e) SHA1(ff7983cb0c2f84f7be9d44e20b01266db4b2836a) )
	ROM_LOAD32_BYTE( "775-f05g.bin", 0x80001, 0x10000, CRC(a1692cca) SHA1(2cefc4b7532a9d29361843419ee427fb9421b79b) )
	ROM_LOAD32_BYTE( "775-f06c.bin", 0x80002, 0x10000, CRC(5ee6f3c1) SHA1(9138ea3588b63862849f6e783725a711e7e50669) )
	ROM_LOAD32_BYTE( "775-f06g.bin", 0x80003, 0x10000, CRC(2645274d) SHA1(2fd04b0adbcf53562669946259b59f1ec9c52bda) )
	ROM_LOAD32_BYTE( "775-f05d.bin", 0xc0000, 0x10000, CRC(ad676a6f) SHA1(f2ca759c8c8a8007aa022d6c058d0431057a639a) )
	ROM_LOAD32_BYTE( "775-f05h.bin", 0xc0001, 0x10000, CRC(3f925bcf) SHA1(434dd442c0cb5c5c039a69683a3a5f226e49261c) )
	ROM_LOAD32_BYTE( "775-f06d.bin", 0xc0002, 0x10000, CRC(c8b764fa) SHA1(62f7f59ed36dca7346ec9eb019a4e435e8476dc6) )
	ROM_LOAD32_BYTE( "775-f06h.bin", 0xc0003, 0x10000, CRC(d6595f59) SHA1(777ea6da2026c90e7fbbc598275c8f95f2eb99c2) )

	ROM_REGION( 0x80000, "k007232", 0 ) /* k007232 data */
	ROM_LOAD( "775-a04a.bin", 0x00000, 0x10000, CRC(7efb2e0f) SHA1(fb350a056b547fe4f981bc211e2f9518ae5a3499) )
	ROM_LOAD( "775-a04b.bin", 0x10000, 0x10000, CRC(f41a2b33) SHA1(dffa06360b6032f7370fe72698aacad4d8779472) )
	ROM_LOAD( "775-a04c.bin", 0x20000, 0x10000, CRC(e4e58f14) SHA1(23dcb4dfa9a44115d1b730d9efcc314801b811c7) )
	ROM_LOAD( "775-a04d.bin", 0x30000, 0x10000, CRC(d46736f6) SHA1(586e914a35d3d7a71cccec66ca45a5bbbb9e504b) )
	ROM_LOAD( "775-f04e.bin", 0x40000, 0x10000, CRC(fbf7e363) SHA1(53578eb7dab8f723439dc12eefade3edb027c148) )
	ROM_LOAD( "775-f04f.bin", 0x50000, 0x10000, CRC(b031ef2d) SHA1(0124fe15871c3972ef1e2dbaf53d17668c1dccfd) )
	ROM_LOAD( "775-f04g.bin", 0x60000, 0x10000, CRC(ee107bbb) SHA1(e21de761a0dfd3811ddcbc33d8868479010e86d0) )
	ROM_LOAD( "775-f04h.bin", 0x70000, 0x10000, CRC(fb0fab46) SHA1(fcbf904f7cf4d265352dc73ed228390b29784aad) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "775a09.b19",   0x0000, 0x0100, CRC(46d1e0df) SHA1(65dad04a124cc49cbc9bb271f865d77efbc4d57c) )    /* priority encoder (not used) */
ROM_END

ROM_START( scontraj )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "775-f02.bin", 0x00000, 0x10000, CRC(8d5933a7) SHA1(e13ec62a4209b790b609429d98620ec0d07bd0ee) )   /* banked + fixed ROM */
	ROM_LOAD( "775-f03.bin", 0x10000, 0x10000, CRC(1ef63d80) SHA1(8fa41038ec2928f9572d0d4511a4bb3a3d8de06d) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 64k for the SOUND CPU */
	ROM_LOAD( "775-c01.bin", 0x00000, 0x08000, CRC(0ced785a) SHA1(1eebe005a968fbaac595c168499107e34763976c) )

	ROM_REGION( 0x100000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_BYTE( "775-a07a.bin", 0x00000, 0x20000, CRC(e716bdf3) SHA1(82e10132f248aed8cc1aea6bb7afe9a1479c8b59) )
	ROM_LOAD32_BYTE( "775-a07e.bin", 0x00001, 0x20000, CRC(0986e3a5) SHA1(61c33a3f2e4fde7d23d440b5c3151fe38e25716b) )
	ROM_LOAD32_BYTE( "775-a08a.bin", 0x00002, 0x20000, CRC(3ddd11a4) SHA1(4831a891d6cb4507053d576eddd658c338318176) )
	ROM_LOAD32_BYTE( "775-a08e.bin", 0x00003, 0x20000, CRC(1007d963) SHA1(cba4ca058dee1c8cdeb019e1cc50cae76bf419a1) )
	ROM_LOAD32_BYTE( "775-f07c.bin", 0x80000, 0x10000, CRC(b0b30915) SHA1(0abd858f93f7cc5383a805a5ae06c086c120f208) )
	ROM_LOAD32_BYTE( "775-f07g.bin", 0x80001, 0x10000, CRC(fbed827d) SHA1(7fcc6cc03ab6238b05799dd50f38c29eb9f98b5a) )
	ROM_LOAD32_BYTE( "775-f08c.bin", 0x80002, 0x10000, CRC(53abdaec) SHA1(0e0f7fe4bb9139a1ae94506a832153b711961564) )
	ROM_LOAD32_BYTE( "775-f08g.bin", 0x80003, 0x10000, CRC(3df85a6e) SHA1(25a49abbf6e9fe63d4ff6bfff9219c98aa1b5e7b) )
	ROM_LOAD32_BYTE( "775-f07d.bin", 0xc0000, 0x10000, CRC(f184be8e) SHA1(c266be12762f7e81edbe4b36f3c96b03f6ec552b) )
	ROM_LOAD32_BYTE( "775-f07h.bin", 0xc0001, 0x10000, CRC(7b56c348) SHA1(f75c1c0962389f204c8cf1a0bc2da01a922cd742) )
	ROM_LOAD32_BYTE( "775-f08d.bin", 0xc0002, 0x10000, CRC(102dcace) SHA1(03036b6d9d66a12cb3e97980f149c09d1efbd6d8) )
	ROM_LOAD32_BYTE( "775-f08h.bin", 0xc0003, 0x10000, CRC(ad9d7016) SHA1(91e9f279b781eefcafffc70afe207f35cc6f4d9d) )

	ROM_REGION( 0x100000, "k051960", 0 )        /* sprites */
	ROM_LOAD32_BYTE( "775-a05a.bin", 0x00000, 0x10000, CRC(a0767045) SHA1(e6df0731a9fb3b3d918607de81844e1f9353aac7) )
	ROM_LOAD32_BYTE( "775-a05e.bin", 0x00001, 0x10000, CRC(2f656f08) SHA1(140e7948c45d27c6705622d588a65b59ebcc624c) )
	ROM_LOAD32_BYTE( "775-a06a.bin", 0x00002, 0x10000, CRC(77a34ad0) SHA1(3653fb8458c1e7eb7d83b5cd63f02343c0f2d93e) )
	ROM_LOAD32_BYTE( "775-a06e.bin", 0x00003, 0x10000, CRC(8a910c94) SHA1(0387a7f412a977fa7a5ca685653ac1bb3dfdbbcb) )
	ROM_LOAD32_BYTE( "775-a05b.bin", 0x40000, 0x10000, CRC(ab8ad4fd) SHA1(c9ae537fa1607fbd11403390d1da923955f0d1ab) )
	ROM_LOAD32_BYTE( "775-a05f.bin", 0x40001, 0x10000, CRC(1c0eb1b6) SHA1(420eb26acd54ff484301aa2dad587f1b6b437363) )
	ROM_LOAD32_BYTE( "775-a06b.bin", 0x40002, 0x10000, CRC(563fb565) SHA1(96a2a95ab02456e53651718a7080f18c252451c8) )
	ROM_LOAD32_BYTE( "775-a06f.bin", 0x40003, 0x10000, CRC(e14995c0) SHA1(1d7fdfb8f9eacb005b0897b2b62b85ce334cd4d6) )
	ROM_LOAD32_BYTE( "775-f05c.bin", 0x80000, 0x10000, CRC(5647761e) SHA1(ff7983cb0c2f84f7be9d44e20b01266db4b2836a) )
	ROM_LOAD32_BYTE( "775-f05g.bin", 0x80001, 0x10000, CRC(a1692cca) SHA1(2cefc4b7532a9d29361843419ee427fb9421b79b) )
	ROM_LOAD32_BYTE( "775-f06c.bin", 0x80002, 0x10000, CRC(5ee6f3c1) SHA1(9138ea3588b63862849f6e783725a711e7e50669) )
	ROM_LOAD32_BYTE( "775-f06g.bin", 0x80003, 0x10000, CRC(2645274d) SHA1(2fd04b0adbcf53562669946259b59f1ec9c52bda) )
	ROM_LOAD32_BYTE( "775-f05d.bin", 0xc0000, 0x10000, CRC(ad676a6f) SHA1(f2ca759c8c8a8007aa022d6c058d0431057a639a) )
	ROM_LOAD32_BYTE( "775-f05h.bin", 0xc0001, 0x10000, CRC(3f925bcf) SHA1(434dd442c0cb5c5c039a69683a3a5f226e49261c) )
	ROM_LOAD32_BYTE( "775-f06d.bin", 0xc0002, 0x10000, CRC(c8b764fa) SHA1(62f7f59ed36dca7346ec9eb019a4e435e8476dc6) )
	ROM_LOAD32_BYTE( "775-f06h.bin", 0xc0003, 0x10000, CRC(d6595f59) SHA1(777ea6da2026c90e7fbbc598275c8f95f2eb99c2) )

	ROM_REGION( 0x80000, "k007232", 0 ) /* k007232 data */
	ROM_LOAD( "775-a04a.bin", 0x00000, 0x10000, CRC(7efb2e0f) SHA1(fb350a056b547fe4f981bc211e2f9518ae5a3499) )
	ROM_LOAD( "775-a04b.bin", 0x10000, 0x10000, CRC(f41a2b33) SHA1(dffa06360b6032f7370fe72698aacad4d8779472) )
	ROM_LOAD( "775-a04c.bin", 0x20000, 0x10000, CRC(e4e58f14) SHA1(23dcb4dfa9a44115d1b730d9efcc314801b811c7) )
	ROM_LOAD( "775-a04d.bin", 0x30000, 0x10000, CRC(d46736f6) SHA1(586e914a35d3d7a71cccec66ca45a5bbbb9e504b) )
	ROM_LOAD( "775-f04e.bin", 0x40000, 0x10000, CRC(fbf7e363) SHA1(53578eb7dab8f723439dc12eefade3edb027c148) )
	ROM_LOAD( "775-f04f.bin", 0x50000, 0x10000, CRC(b031ef2d) SHA1(0124fe15871c3972ef1e2dbaf53d17668c1dccfd) )
	ROM_LOAD( "775-f04g.bin", 0x60000, 0x10000, CRC(ee107bbb) SHA1(e21de761a0dfd3811ddcbc33d8868479010e86d0) )
	ROM_LOAD( "775-f04h.bin", 0x70000, 0x10000, CRC(fb0fab46) SHA1(fcbf904f7cf4d265352dc73ed228390b29784aad) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "775a09.b19",   0x0000, 0x0100, CRC(46d1e0df) SHA1(65dad04a124cc49cbc9bb271f865d77efbc4d57c) )    /* priority encoder (not used) */
ROM_END

ROM_START( thunderx )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "873-s02.k13", 0x00000, 0x10000, CRC(6619333a) SHA1(1961658d528b0870c57f1cb78e016fb881f50392) )   /* banked + fixed ROM */
	ROM_LOAD( "873-s03.k15", 0x10000, 0x10000, CRC(2aec2699) SHA1(8f52703a6a1ba6417c484925192ce697af9c73f1) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "873-f01.f8",   0x0000, 0x8000, CRC(ea35ffa3) SHA1(91e82b77d4f3af8238fb198db26182bebc5026e4) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_BYTE( "873c06a.f6",   0x00000, 0x10000, CRC(0e340b67) SHA1(a76b1ee4bd4c99826a02b63a705447d0ba4e7b01) )
	ROM_LOAD32_BYTE( "873c06c.f5",   0x00001, 0x10000, CRC(ef0e72cd) SHA1(85b77a303378386f2d395da8707f4b638d37833e) )
	ROM_LOAD32_BYTE( "873c07a.f4",   0x00002, 0x10000, CRC(a8aab84f) SHA1(a68521a9abf45c3292b3090a2483edbf31356c7d) )
	ROM_LOAD32_BYTE( "873c07c.f3",   0x00003, 0x10000, CRC(2521009a) SHA1(6546b88943615389c81b753ff5bb6aa9378c3266) )
	ROM_LOAD32_BYTE( "873c06b.e6",   0x40000, 0x10000, CRC(97ad202e) SHA1(fd155aeb691814950711ead3bc2c93c67b7b0434) )
	ROM_LOAD32_BYTE( "873c06d.e5",   0x40001, 0x10000, CRC(8393d42e) SHA1(ffcb5eca3f58994e05c49d803fa4831c0213e2e2) )
	ROM_LOAD32_BYTE( "873c07b.e4",   0x40002, 0x10000, CRC(12a2b8ba) SHA1(ffa32ca116e0b6ca65bb9ce83dd28f5c027956a5) )
	ROM_LOAD32_BYTE( "873c07d.e3",   0x40003, 0x10000, CRC(fae9f965) SHA1(780c234507835c37bde445ab34f069714cc7a506) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_BYTE( "873c04a.f11",  0x00000, 0x10000, CRC(f7740bf3) SHA1(f64b7e807f19a9523a517024a9eb56736cdda6bb) )
	ROM_LOAD32_BYTE( "873c04c.f10",  0x00001, 0x10000, CRC(5dacbd2b) SHA1(deb943b99fd296d20be9c4250b2348549f65ba37) )
	ROM_LOAD32_BYTE( "873c05a.f9",   0x00002, 0x10000, CRC(d73e107d) SHA1(ba63b195e20a98c476e7d0f8d0187bc3327a8822) )
	ROM_LOAD32_BYTE( "873c05c.f8",   0x00003, 0x10000, CRC(59903200) SHA1(d076802c53aa604df8c5fdd33cb41876ba2a3385) )
	ROM_LOAD32_BYTE( "873c04b.e11",  0x40000, 0x10000, CRC(9ac581da) SHA1(fd0a603de8586621444055bbff8bb83349b8a0d8) )
	ROM_LOAD32_BYTE( "873c04d.e10",  0x40001, 0x10000, CRC(44a4668c) SHA1(6d1526ed3408ddc763a071604e7b1e0773c87b99) )
	ROM_LOAD32_BYTE( "873c05b.e9",   0x40002, 0x10000, CRC(81059b99) SHA1(1e1a22ca45599abe0dce32fc0b188281deb3b8ac) )
	ROM_LOAD32_BYTE( "873c05d.e8",   0x40003, 0x10000, CRC(7fa3d7df) SHA1(c78b9a949abdf44366d872daa1f2041158fae790) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "873a08.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) )    /* priority encoder (not used) */
ROM_END

ROM_START( thunderxa ) /* Alternate Starting stage then the other 2 sets, Perhaps a US set? */
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "873-k02.k13", 0x00000, 0x10000, CRC(80cc1c45) SHA1(881bc6eea94671e8c3fdb7a10b0e742b18cb7212) )   /* banked + fixed ROM */
	ROM_LOAD( "873-k03.k15", 0x10000, 0x10000, CRC(276817ad) SHA1(34b1beecf2a4c54dd7cd150c5d83b44f67be288a) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "873-h01.f8",    0x0000, 0x8000, CRC(990b7a7c) SHA1(0965e7350c6006a9652cea0f24d836b4979910fd) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_BYTE( "873c06a.f6",   0x00000, 0x10000, CRC(0e340b67) SHA1(a76b1ee4bd4c99826a02b63a705447d0ba4e7b01) )
	ROM_LOAD32_BYTE( "873c06c.f5",   0x00001, 0x10000, CRC(ef0e72cd) SHA1(85b77a303378386f2d395da8707f4b638d37833e) )
	ROM_LOAD32_BYTE( "873c07a.f4",   0x00002, 0x10000, CRC(a8aab84f) SHA1(a68521a9abf45c3292b3090a2483edbf31356c7d) )
	ROM_LOAD32_BYTE( "873c07c.f3",   0x00003, 0x10000, CRC(2521009a) SHA1(6546b88943615389c81b753ff5bb6aa9378c3266) )
	ROM_LOAD32_BYTE( "873c06b.e6",   0x40000, 0x10000, CRC(97ad202e) SHA1(fd155aeb691814950711ead3bc2c93c67b7b0434) )
	ROM_LOAD32_BYTE( "873c06d.e5",   0x40001, 0x10000, CRC(8393d42e) SHA1(ffcb5eca3f58994e05c49d803fa4831c0213e2e2) )
	ROM_LOAD32_BYTE( "873c07b.e4",   0x40002, 0x10000, CRC(12a2b8ba) SHA1(ffa32ca116e0b6ca65bb9ce83dd28f5c027956a5) )
	ROM_LOAD32_BYTE( "873c07d.e3",   0x40003, 0x10000, CRC(fae9f965) SHA1(780c234507835c37bde445ab34f069714cc7a506) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_BYTE( "873c04a.f11",  0x00000, 0x10000, CRC(f7740bf3) SHA1(f64b7e807f19a9523a517024a9eb56736cdda6bb) )
	ROM_LOAD32_BYTE( "873c04c.f10",  0x00001, 0x10000, CRC(5dacbd2b) SHA1(deb943b99fd296d20be9c4250b2348549f65ba37) )
	ROM_LOAD32_BYTE( "873c05a.f9",   0x00002, 0x10000, CRC(d73e107d) SHA1(ba63b195e20a98c476e7d0f8d0187bc3327a8822) )
	ROM_LOAD32_BYTE( "873c05c.f8",   0x00003, 0x10000, CRC(59903200) SHA1(d076802c53aa604df8c5fdd33cb41876ba2a3385) )
	ROM_LOAD32_BYTE( "873c04b.e11",  0x40000, 0x10000, CRC(9ac581da) SHA1(fd0a603de8586621444055bbff8bb83349b8a0d8) )
	ROM_LOAD32_BYTE( "873c04d.e10",  0x40001, 0x10000, CRC(44a4668c) SHA1(6d1526ed3408ddc763a071604e7b1e0773c87b99) )
	ROM_LOAD32_BYTE( "873c05b.e9",   0x40002, 0x10000, CRC(81059b99) SHA1(1e1a22ca45599abe0dce32fc0b188281deb3b8ac) )
	ROM_LOAD32_BYTE( "873c05d.e8",   0x40003, 0x10000, CRC(7fa3d7df) SHA1(c78b9a949abdf44366d872daa1f2041158fae790) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "873a08.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) )    /* priority encoder (not used) */
ROM_END

ROM_START( thunderxb ) /* Set had no labels, same starting stage as parent set */
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "873-02.k13", 0x00000, 0x10000, CRC(c58b2c34) SHA1(4050d2edc579ffedba3d40782a08e43ac89b1b86) )   /* banked + fixed ROM */
	ROM_LOAD( "873-03.k15", 0x10000, 0x10000, CRC(36680a4e) SHA1(9b3b6bf75a9c04e764448cd958277bd081cc4a53) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "873-f01.f8",   0x0000, 0x8000, CRC(ea35ffa3) SHA1(91e82b77d4f3af8238fb198db26182bebc5026e4) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_BYTE( "873c06a.f6",   0x00000, 0x10000, CRC(0e340b67) SHA1(a76b1ee4bd4c99826a02b63a705447d0ba4e7b01) )
	ROM_LOAD32_BYTE( "873c06c.f5",   0x00001, 0x10000, CRC(ef0e72cd) SHA1(85b77a303378386f2d395da8707f4b638d37833e) )
	ROM_LOAD32_BYTE( "873c07a.f4",   0x00002, 0x10000, CRC(a8aab84f) SHA1(a68521a9abf45c3292b3090a2483edbf31356c7d) )
	ROM_LOAD32_BYTE( "873c07c.f3",   0x00003, 0x10000, CRC(2521009a) SHA1(6546b88943615389c81b753ff5bb6aa9378c3266) )
	ROM_LOAD32_BYTE( "873c06b.e6",   0x40000, 0x10000, CRC(97ad202e) SHA1(fd155aeb691814950711ead3bc2c93c67b7b0434) )
	ROM_LOAD32_BYTE( "873c06d.e5",   0x40001, 0x10000, CRC(8393d42e) SHA1(ffcb5eca3f58994e05c49d803fa4831c0213e2e2) )
	ROM_LOAD32_BYTE( "873c07b.e4",   0x40002, 0x10000, CRC(12a2b8ba) SHA1(ffa32ca116e0b6ca65bb9ce83dd28f5c027956a5) )
	ROM_LOAD32_BYTE( "873c07d.e3",   0x40003, 0x10000, CRC(fae9f965) SHA1(780c234507835c37bde445ab34f069714cc7a506) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_BYTE( "873c04a.f11",  0x00000, 0x10000, CRC(f7740bf3) SHA1(f64b7e807f19a9523a517024a9eb56736cdda6bb) )
	ROM_LOAD32_BYTE( "873c04c.f10",  0x00001, 0x10000, CRC(5dacbd2b) SHA1(deb943b99fd296d20be9c4250b2348549f65ba37) )
	ROM_LOAD32_BYTE( "873c05a.f9",   0x00002, 0x10000, CRC(d73e107d) SHA1(ba63b195e20a98c476e7d0f8d0187bc3327a8822) )
	ROM_LOAD32_BYTE( "873c05c.f8",   0x00003, 0x10000, CRC(59903200) SHA1(d076802c53aa604df8c5fdd33cb41876ba2a3385) )
	ROM_LOAD32_BYTE( "873c04b.e11",  0x40000, 0x10000, CRC(9ac581da) SHA1(fd0a603de8586621444055bbff8bb83349b8a0d8) )
	ROM_LOAD32_BYTE( "873c04d.e10",  0x40001, 0x10000, CRC(44a4668c) SHA1(6d1526ed3408ddc763a071604e7b1e0773c87b99) )
	ROM_LOAD32_BYTE( "873c05b.e9",   0x40002, 0x10000, CRC(81059b99) SHA1(1e1a22ca45599abe0dce32fc0b188281deb3b8ac) )
	ROM_LOAD32_BYTE( "873c05d.e8",   0x40003, 0x10000, CRC(7fa3d7df) SHA1(c78b9a949abdf44366d872daa1f2041158fae790) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "873a08.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) )    /* priority encoder (not used) */
ROM_END

ROM_START( thunderxj )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "873-n02.k13", 0x00000, 0x10000, CRC(55afa2cc) SHA1(5fb9df0c7c7c0c2029dbe0f3c1e0340234a03e8a) )   /* banked + fixed ROM */
	ROM_LOAD( "873-n03.k15", 0x10000, 0x10000, CRC(a01e2e3e) SHA1(eba0d95dc0c5eed18743a96e4bbda5e60d5d9c97) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "873-f01.f8",   0x0000, 0x8000, CRC(ea35ffa3) SHA1(91e82b77d4f3af8238fb198db26182bebc5026e4) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_BYTE( "873c06a.f6",   0x00000, 0x10000, CRC(0e340b67) SHA1(a76b1ee4bd4c99826a02b63a705447d0ba4e7b01) )
	ROM_LOAD32_BYTE( "873c06c.f5",   0x00001, 0x10000, CRC(ef0e72cd) SHA1(85b77a303378386f2d395da8707f4b638d37833e) )
	ROM_LOAD32_BYTE( "873c07a.f4",   0x00002, 0x10000, CRC(a8aab84f) SHA1(a68521a9abf45c3292b3090a2483edbf31356c7d) )
	ROM_LOAD32_BYTE( "873c07c.f3",   0x00003, 0x10000, CRC(2521009a) SHA1(6546b88943615389c81b753ff5bb6aa9378c3266) )
	ROM_LOAD32_BYTE( "873c06b.e6",   0x40000, 0x10000, CRC(97ad202e) SHA1(fd155aeb691814950711ead3bc2c93c67b7b0434) )
	ROM_LOAD32_BYTE( "873c06d.e5",   0x40001, 0x10000, CRC(8393d42e) SHA1(ffcb5eca3f58994e05c49d803fa4831c0213e2e2) )
	ROM_LOAD32_BYTE( "873c07b.e4",   0x40002, 0x10000, CRC(12a2b8ba) SHA1(ffa32ca116e0b6ca65bb9ce83dd28f5c027956a5) )
	ROM_LOAD32_BYTE( "873c07d.e3",   0x40003, 0x10000, CRC(fae9f965) SHA1(780c234507835c37bde445ab34f069714cc7a506) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_BYTE( "873c04a.f11",  0x00000, 0x10000, CRC(f7740bf3) SHA1(f64b7e807f19a9523a517024a9eb56736cdda6bb) )
	ROM_LOAD32_BYTE( "873c04c.f10",  0x00001, 0x10000, CRC(5dacbd2b) SHA1(deb943b99fd296d20be9c4250b2348549f65ba37) )
	ROM_LOAD32_BYTE( "873c05a.f9",   0x00002, 0x10000, CRC(d73e107d) SHA1(ba63b195e20a98c476e7d0f8d0187bc3327a8822) )
	ROM_LOAD32_BYTE( "873c05c.f8",   0x00003, 0x10000, CRC(59903200) SHA1(d076802c53aa604df8c5fdd33cb41876ba2a3385) )
	ROM_LOAD32_BYTE( "873c04b.e11",  0x40000, 0x10000, CRC(9ac581da) SHA1(fd0a603de8586621444055bbff8bb83349b8a0d8) )
	ROM_LOAD32_BYTE( "873c04d.e10",  0x40001, 0x10000, CRC(44a4668c) SHA1(6d1526ed3408ddc763a071604e7b1e0773c87b99) )
	ROM_LOAD32_BYTE( "873c05b.e9",   0x40002, 0x10000, CRC(81059b99) SHA1(1e1a22ca45599abe0dce32fc0b188281deb3b8ac) )
	ROM_LOAD32_BYTE( "873c05d.e8",   0x40003, 0x10000, CRC(7fa3d7df) SHA1(c78b9a949abdf44366d872daa1f2041158fae790) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "873a08.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) )    /* priority encoder (not used) */
ROM_END

ROM_START( gbusters )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "878n02.k13", 0x00000, 0x10000, CRC(51697aaa) SHA1(1e6461e2e5e871d44085623a890158a4c1c4c404) )   /* banked + fixed ROM */
	ROM_LOAD( "878j03.k15", 0x10000, 0x10000, CRC(3943a065) SHA1(6b0863f4182e6c973adfaa618f096bd4cc9b7b6d) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for the sound CPU */
	ROM_LOAD( "878h01.f8", 0x00000, 0x08000, CRC(96feafaa) SHA1(8b6547e610cb4fa1c1f5bf12cb05e9a12a353903) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_WORD( "878c07.h27", 0x00000, 0x40000, CRC(eeed912c) SHA1(b2e27610b38f3fc9c2cdad600b03c8bae4fb9138) )
	ROM_LOAD32_WORD( "878c08.k27", 0x00002, 0x40000, CRC(4d14626d) SHA1(226b1d83fb82586302be0a67737a427475856537) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_WORD( "878c05.h5", 0x00000, 0x40000, CRC(01f4aea5) SHA1(124123823be6bd597805484539d821aaaadde2c0) )
	ROM_LOAD32_WORD( "878c06.k5", 0x00002, 0x40000, CRC(edfaaaaf) SHA1(67468c4ce47e8d43d58de8d3b50b048c66508156) )

	ROM_REGION( 0x40000, "k007232", 0 ) /* samples for 007232 */
	ROM_LOAD( "878c04.d5",  0x00000, 0x40000, CRC(9e982d1c) SHA1(a5b611c67b0f2ac50c679707931ee12ebbf72ebe) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "878a09.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) ) /* priority encoder (not used) */
ROM_END

ROM_START( gbustersa )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "878_02.k13", 0x00000, 0x10000, CRC(57178414) SHA1(89b1403158f6ce18706c8a941109554d03cf77d9) ) /* unknown region/version leter */
	ROM_LOAD( "878_03.k15", 0x10000, 0x10000, CRC(6c59e660) SHA1(66a92eb8a93c9f542489fa31bec6ed1819d174da) ) /* unknown region/version leter */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for the sound CPU */
	ROM_LOAD( "878h01.f8", 0x00000, 0x08000, CRC(96feafaa) SHA1(8b6547e610cb4fa1c1f5bf12cb05e9a12a353903) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_WORD( "878c07.h27", 0x00000, 0x40000, CRC(eeed912c) SHA1(b2e27610b38f3fc9c2cdad600b03c8bae4fb9138) )
	ROM_LOAD32_WORD( "878c08.k27", 0x00002, 0x40000, CRC(4d14626d) SHA1(226b1d83fb82586302be0a67737a427475856537) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_WORD( "878c05.h5", 0x00000, 0x40000, CRC(01f4aea5) SHA1(124123823be6bd597805484539d821aaaadde2c0) )
	ROM_LOAD32_WORD( "878c06.k5", 0x00002, 0x40000, CRC(edfaaaaf) SHA1(67468c4ce47e8d43d58de8d3b50b048c66508156) )

	ROM_REGION( 0x40000, "k007232", 0 ) /* samples for 007232 */
	ROM_LOAD( "878c04.d5",  0x00000, 0x40000, CRC(9e982d1c) SHA1(a5b611c67b0f2ac50c679707931ee12ebbf72ebe) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "878a09.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) ) /* priority encoder (not used) */
ROM_END

ROM_START( crazycop )
	ROM_REGION( 0x20000, "maincpu", 0 ) /* banked program ROMs */
	ROM_LOAD( "878m02.k13", 0x00000, 0x10000, CRC(9c1c9f52) SHA1(7a60ad20aac92da8258b43b04f8c7f27bb71f1df) )   /* banked + fixed ROM */
	ROM_LOAD( "878j03.k15", 0x10000, 0x10000, CRC(3943a065) SHA1(6b0863f4182e6c973adfaa618f096bd4cc9b7b6d) )   /* banked ROM */

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for the sound CPU */
	ROM_LOAD( "878h01.f8", 0x00000, 0x08000, CRC(96feafaa) SHA1(8b6547e610cb4fa1c1f5bf12cb05e9a12a353903) )

	ROM_REGION( 0x80000, "k052109", 0 )    /* tiles */
	ROM_LOAD32_WORD( "878c07.h27", 0x00000, 0x40000, CRC(eeed912c) SHA1(b2e27610b38f3fc9c2cdad600b03c8bae4fb9138) )
	ROM_LOAD32_WORD( "878c08.k27", 0x00002, 0x40000, CRC(4d14626d) SHA1(226b1d83fb82586302be0a67737a427475856537) )

	ROM_REGION( 0x80000, "k051960", 0 )     /* sprites */
	ROM_LOAD32_WORD( "878c05.h5", 0x00000, 0x40000, CRC(01f4aea5) SHA1(124123823be6bd597805484539d821aaaadde2c0) )
	ROM_LOAD32_WORD( "878c06.k5", 0x00002, 0x40000, CRC(edfaaaaf) SHA1(67468c4ce47e8d43d58de8d3b50b048c66508156) )

	ROM_REGION( 0x40000, "k007232", 0 ) /* samples for 007232 */
	ROM_LOAD( "878c04.d5",  0x00000, 0x40000, CRC(9e982d1c) SHA1(a5b611c67b0f2ac50c679707931ee12ebbf72ebe) )

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "878a09.f20",   0x0000, 0x0100, CRC(e2d09a1b) SHA1(a9651e137486b2df367c39eb43f52d0833589e87) ) /* priority encoder (not used) */
ROM_END


void thunderx_state::init_thunderx()
{
	m_thunderx_firq_timer = timer_alloc(TIMER_THUNDERX_FIRQ);
}

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

GAME( 1988, scontra,   0,        scontra,  scontra,  thunderx_state, empty_init,    ROT90, "Konami", "Super Contra",          MACHINE_SUPPORTS_SAVE )
GAME( 1988, scontraj,  scontra,  scontra,  scontra,  thunderx_state, empty_init,    ROT90, "Konami", "Super Contra - Alien no Gyakushuu (Japan)",  MACHINE_SUPPORTS_SAVE )
GAME( 1988, thunderx,  0,        thunderx, thunderx, thunderx_state, init_thunderx, ROT0,  "Konami", "Thunder Cross (set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, thunderxa, thunderx, thunderx, thunderx, thunderx_state, init_thunderx, ROT0,  "Konami", "Thunder Cross (set 2)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, thunderxb, thunderx, thunderx, thunderx, thunderx_state, init_thunderx, ROT0,  "Konami", "Thunder Cross (set 3)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, thunderxj, thunderx, thunderx, thnderxj, thunderx_state, init_thunderx, ROT0,  "Konami", "Thunder Cross (Japan)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, gbusters,  0,        gbusters, gbusters, thunderx_state, empty_init,    ROT90, "Konami", "Gang Busters (set 1)",  MACHINE_SUPPORTS_SAVE ) // N02 & J03 program ROMs
GAME( 1988, gbustersa, gbusters, gbusters, gbusters, thunderx_state, empty_init,    ROT90, "Konami", "Gang Busters (set 2)",  MACHINE_SUPPORTS_SAVE ) // unknown region program ROMs
GAME( 1988, crazycop,  gbusters, gbusters, gbusters, thunderx_state, empty_init,    ROT90, "Konami", "Crazy Cop (Japan)",     MACHINE_SUPPORTS_SAVE ) // M02 & J03 program ROMs