/
neopcb.cpp
567 lines (436 loc) · 20.2 KB
/
neopcb.cpp
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
// license:BSD-3-Clause
// copyright-holders:Bryan McPhail,Ernesto Corvi,Andrew Prime,Zsolt Vasvari
// thanks-to:Fuzz
#include "emu.h"
#include "neogeo.h"
#include "bus/neogeo/prot_pcm2.h"
#include "bus/neogeo/prot_cmc.h"
#include "bus/neogeo/prot_pvc.h"
namespace {
class neopcb_state : public ngarcade_base_state
{
public:
neopcb_state(const machine_config &mconfig, device_type type, const char *tag)
: ngarcade_base_state(mconfig, type, tag)
, m_cmc_prot(*this, "cmc50")
, m_pcm2_prot(*this, "pcm2")
, m_pvc_prot(*this, "pvc")
, m_cpu_bank(*this, "cpu_bank")
, m_bios_bank(*this, "bios_bank")
{
}
DECLARE_INPUT_CHANGED_MEMBER(select_bios);
void init_ms5pcb();
void init_svcpcb();
void init_kf2k3pcb();
void neopcb(machine_config &config);
protected:
// device overrides
virtual void machine_start() override;
virtual void device_post_load() override;
void write_bankpvc(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
void install_common();
void install_banked_bios();
// non-carts
void svcpcb_gfx_decrypt();
void svcpcb_s1data_decrypt();
void kf2k3pcb_gfx_decrypt();
void kf2k3pcb_decrypt_s1data();
void kf2k3pcb_sp1_decrypt();
private:
required_device<cmc_prot_device> m_cmc_prot;
required_device<pcm2_prot_device> m_pcm2_prot;
required_device<pvc_prot_device> m_pvc_prot;
memory_bank_creator m_cpu_bank;
memory_bank_creator m_bios_bank;
};
void neopcb_state::machine_start()
{
ngarcade_base_state::machine_start();
m_sprgen->set_screen(m_screen);
}
void neopcb_state::device_post_load()
{
ngarcade_base_state::device_post_load();
m_cpu_bank->set_base(m_region_maincpu->base() + m_bank_base);
}
void neopcb_state::neopcb(machine_config &config)
{
neogeo_arcade(config);
neogeo_mono(config);
NEOGEO_CTRL_EDGE_CONNECTOR(config, m_edge, neogeo_arc_edge, "joy", true);
NG_CMC_PROT(config, "cmc50", 0);
NG_PCM2_PROT(config, "pcm2", 0);
NG_PVC_PROT(config, "pvc", 0);
}
// Game specific input definitions
INPUT_CHANGED_MEMBER(neopcb_state::select_bios)
{
m_bios_bank->set_entry(newval ? 0 : 1);
}
static INPUT_PORTS_START( dualbios )
PORT_INCLUDE( neogeo )
/* the rom banking seems to be tied directly to the dipswitch */
PORT_MODIFY("DSW")
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Region ) ) PORT_DIPLOCATION("SW:3") PORT_CHANGED_MEMBER(DEVICE_SELF, neopcb_state, select_bios, 0)
PORT_DIPSETTING( 0x00, DEF_STR( Asia ) )
PORT_DIPSETTING( 0x04, DEF_STR( Japan ) )
INPUT_PORTS_END
/*************************************
*
* Jamma PCB sets of NeoGeo games
*
*************************************/
#define ROM_Y_ZOOM \
ROM_REGION( 0x20000, "spritegen:zoomy", 0 ) \
ROM_LOAD( "000-lo.lo", 0x00000, 0x20000, CRC(5a86cff2) SHA1(5992277debadeb64d1c1c64b0a92d9293eaf7e4a) )
/****************************************
ID-2680
. MV-0 ????
NEO-MVH MVOBR 2003.8.4
****************************************/
ROM_START( ms5pcb ) /* Encrypted Set, JAMMA PCB */
ROM_REGION( 0x800000, "maincpu", 0 )
ROM_LOAD32_WORD_SWAP( "268-p1r.p1", 0x000000, 0x400000, CRC(d0466792) SHA1(880819933d997fab398f91061e9dbccb959ae8a1) )
ROM_LOAD32_WORD_SWAP( "268-p2r.p2", 0x000002, 0x400000, CRC(fbf6b61e) SHA1(9ec743d5988b5e3183f37f8edf45c72a8c0c893e) )
ROM_REGION( 0x20000, "fixed", 0 )
ROM_FILL( 0x000000, 0x20000, 0x000000 )
ROM_REGION( 0x20000, "fixedbios", 0 )
ROM_LOAD( "sfix.sfix", 0x000000, 0x20000, CRC(c2ea0cfd) SHA1(fd4a618cdcdbf849374f0a50dd8efe9dbab706c3) )
ROM_REGION16_BE( 0x80000, "mainbios", 0 )
/* this contains both an ASIA and JAPAN bios, HARDDIP3 on the PCB selects which to use */
ROM_LOAD16_WORD_SWAP( "sp-4x.sp1", 0x00000, 0x80000, CRC(b4590283) SHA1(47047ed5b6062babc0a0bebcc30e4b3f021e115a) )
/* Encrypted */
ROM_REGION( 0x80000, "audiocrypt", 0 )
ROM_LOAD( "268-m1.m1", 0x00000, 0x80000, CRC(4a5a6e0e) SHA1(df0f660f2465e1db7be5adfcaf5e88ad61a74a42) ) /* mask rom TC534000 */
ROM_REGION( 0x90000, "audiocpu", ROMREGION_ERASEFF )
/* Encrypted */
ROM_Y_ZOOM
ROM_REGION( 0x1000000, "ymsnd:adpcma", 0 )
/* Encrypted */
ROM_LOAD( "268-v1.v1", 0x000000, 0x1000000, CRC(8458afe5) SHA1(62b4c6e7db763e9ff2697bbcdb43dc5a56b48c68) )
ROM_REGION( 0x4000000, "sprites", 0 )
/* Encrypted */
ROM_LOAD32_WORD( "268-c1.c1", 0x0000000, 0x1000000, BAD_DUMP CRC(802042e8) SHA1(ff028b65f60f0b51b255a380cc47ec19fdc0c0cf) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "268-c2.c2", 0x0000002, 0x1000000, BAD_DUMP CRC(3b89fb9f) SHA1(cbc0729aae961f683b105ec3e1cda58b3f985abc) ) /* Plane 2,3 */
ROM_LOAD32_WORD( "268-c3.c3", 0x2000000, 0x1000000, BAD_DUMP CRC(0f3f59e3) SHA1(8cc751dc7d4e94864a9ce3346f23b8f011082fcc) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "268-c4.c4", 0x2000002, 0x1000000, BAD_DUMP CRC(3ad8435a) SHA1(b333c8993c9b4c4ea59450ad0a3560e0b28056bc) ) /* Plane 2,3 */
ROM_END
/****************************************
ID-2690
. MV-0 ????
NEO-MVH MVO 2003.6.5
****************************************/
ROM_START( svcpcb ) /* Encrypted Set, JAMMA PCB */
ROM_REGION( 0x2000000, "maincpu", 0 )
ROM_LOAD16_WORD_SWAP( "269-p1.p1", 0x000000, 0x2000000, CRC(432cfdfc) SHA1(19b40d32188a8bace6d2d570c6cf3d2f1e31e379) )
ROM_REGION( 0x80000, "fixed", 0 ) /* larger char set */
ROM_FILL( 0x000000, 0x80000, 0x000000 )
ROM_REGION( 0x20000, "fixedbios", 0 )
ROM_LOAD( "sfix.sfix", 0x000000, 0x20000, CRC(c2ea0cfd) SHA1(fd4a618cdcdbf849374f0a50dd8efe9dbab706c3) )
ROM_REGION16_BE( 0x80000, "mainbios", 0 )
/* this contains both an ASIA and JAPAN bios, HARDDIP3 on the PCB selects which to use */
ROM_LOAD16_WORD_SWAP( "sp-4x.sp1", 0x00000, 0x80000, CRC(b4590283) SHA1(47047ed5b6062babc0a0bebcc30e4b3f021e115a) )
/* Encrypted */
ROM_REGION( 0x80000, "audiocrypt", 0 )
ROM_LOAD( "269-m1.m1", 0x00000, 0x80000, CRC(f6819d00) SHA1(d3bbe09df502464f104e53501708ac6e2c1832c6) ) /* mask rom TC534000 */
ROM_REGION( 0x90000, "audiocpu", ROMREGION_ERASEFF )
ROM_Y_ZOOM
ROM_REGION( 0x1000000, "ymsnd:adpcma", 0 )
/* Encrypted */
ROM_LOAD( "269-v1.v1", 0x000000, 0x800000, CRC(c659b34c) SHA1(1931e8111ef43946f68699f8707334c96f753a1e) )
ROM_LOAD( "269-v2.v2", 0x800000, 0x800000, CRC(dd903835) SHA1(e58d38950a7a8697bb22a1cc7a371ae6664ae8f9) )
ROM_REGION( 0x4000000, "sprites", 0 )
/* Encrypted */
ROM_LOAD( "269-c1.c1", 0x0000000, 0x2000000, CRC(1b608f9c) SHA1(4e70ad182da2ca18815bd3936efb04a06ebce01e) ) /* Plane 0,1 */
ROM_LOAD( "269-c2.c2", 0x2000000, 0x2000000, CRC(5a95f294) SHA1(6123cc7b20b494076185d27c2ffea910e124b195) ) /* Plane 0,1 */
ROM_END
/****************************************
ID-2690
. MV-0 ????
NEO-MVH MVOB 2003.7.9
****************************************/
ROM_START( svcpcba ) /* Encrypted Set, JAMMA PCB */
/* alt PCB version, this one has the same program roms as the MVS set, and different GFX / Sound rom arrangements */
ROM_REGION( 0x800000, "maincpu", 0 )
ROM_LOAD32_WORD_SWAP( "269-p1a.p1", 0x000000, 0x400000, CRC(38e2005e) SHA1(1b902905916a30969282f1399a756e32ff069097) )
ROM_LOAD32_WORD_SWAP( "269-p2a.p2", 0x000002, 0x400000, CRC(6d13797c) SHA1(3cb71a95cea6b006b44cac0f547df88aec0007b7) )
ROM_REGION( 0x80000, "fixed", 0 ) /* larger char set */
ROM_FILL( 0x000000, 0x80000, 0x000000 )
ROM_REGION( 0x20000, "fixedbios", 0 )
ROM_LOAD( "sfix.sfix", 0x000000, 0x20000, CRC(c2ea0cfd) SHA1(fd4a618cdcdbf849374f0a50dd8efe9dbab706c3) )
ROM_REGION16_BE( 0x80000, "mainbios", 0 )
/* this contains both an ASIA and JAPAN bios, HARDDIP3 on the PCB selects which to use */
ROM_LOAD16_WORD_SWAP( "sp-4x.sp1", 0x00000, 0x80000, CRC(b4590283) SHA1(47047ed5b6062babc0a0bebcc30e4b3f021e115a) )
/* Encrypted */
ROM_REGION( 0x80000, "audiocrypt", 0 )
ROM_LOAD( "269-m1.m1", 0x00000, 0x80000, CRC(f6819d00) SHA1(d3bbe09df502464f104e53501708ac6e2c1832c6) )
ROM_REGION( 0x90000, "audiocpu", ROMREGION_ERASEFF )
ROM_Y_ZOOM
ROM_REGION( 0x1000000, "ymsnd:adpcma", 0 )
/* Encrypted */
ROM_LOAD( "269-v1a.v1", 0x000000, 0x1000000, CRC(a6af4753) SHA1(ec4f61a526b707a7faec4653b773beb3bf3a17ba) )
ROM_REGION( 0x4000000, "sprites", 0 )
/* Encrypted */
ROM_LOAD32_WORD( "269-c1a.c1", 0x0000000, 0x1000000, CRC(e64d2b0c) SHA1(0714198c400e5c273181e4c6f906b49e35fef75d) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "269-c2a.c2", 0x0000002, 0x1000000, CRC(249089c2) SHA1(1c0ca19e330efe1a74b2d35a1a9a8d61481e16a9) ) /* Plane 2,3 */
ROM_LOAD32_WORD( "269-c3a.c3", 0x2000000, 0x1000000, CRC(d32f2fab) SHA1(273d58cb3c9075075b1ca39a3b247a2cd545fbe7) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "269-c4a.c4", 0x2000002, 0x1000000, CRC(bf77e878) SHA1(e6e76f8eed0d04ee9ad39bf38ce305930b10e2c1) ) /* Plane 2,3 */
ROM_END
/****************************************
ID-2710
. MV-0 ????
NEO-MVH MVOC 2003.11.3
****************************************/
ROM_START( kf2k3pcb ) /* Encrypted Set, JAMMA PCB */
ROM_REGION( 0x900000, "maincpu", 0 )
ROM_LOAD32_WORD_SWAP( "271-p1.p1", 0x000000, 0x400000, CRC(b9da070c) SHA1(1a26325af142a4dd221c336061761468598c4634) )
ROM_LOAD32_WORD_SWAP( "271-p2.p2", 0x000002, 0x400000, CRC(da3118c4) SHA1(582e4f44f03276adecb7b2848d3b96bf6da57f1e) )
ROM_LOAD16_WORD_SWAP( "271-p3.p3", 0x800000, 0x100000, CRC(5cefd0d2) SHA1(cddc3164629fed4b6f715e12b109ad35d1009355) )
ROM_REGION( 0x100000, "fixed", 0 ) /* larger char set */
ROM_FILL( 0x000000, 0x100000, 0x000000 )
ROM_REGION( 0x20000, "fixedbios", 0 )
ROM_LOAD( "sfix.sfix", 0x000000, 0x20000, CRC(c2ea0cfd) SHA1(fd4a618cdcdbf849374f0a50dd8efe9dbab706c3) )
ROM_REGION16_BE( 0x80000, "mainbios", 0 )
ROM_LOAD16_WORD_SWAP( "spj.sp1", 0x00000, 0x080000, CRC(148dd727) SHA1(2cf592a16c7157de02a989675d47965f2b3a44dd) ) // encrypted
/* Encrypted */
ROM_REGION( 0x80000, "audiocrypt", 0 )
ROM_LOAD( "271-m1.m1", 0x00000, 0x80000, CRC(d6bcf2bc) SHA1(df78bc95990eb8e8f3638dde6e1876354df7fe84) )
ROM_REGION( 0x90000, "audiocpu", ROMREGION_ERASEFF )
ROM_Y_ZOOM
ROM_REGION( 0x1000000, "ymsnd:adpcma", 0 )
/* Encrypted */
ROM_LOAD( "271-v1.v1", 0x000000, 0x1000000, CRC(1d96154b) SHA1(1d4e262b0d30cee79a4edc83bb9706023c736668) )
ROM_REGION( 0x6000000, "sprites", 0 )
/* Encrypted */
ROM_LOAD32_WORD( "271-c1.c1", 0x0000000, 0x1000000, CRC(f5ebb327) SHA1(e4f799a54b09adcca13b1b0cf95971a1f4291b61) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "271-c2.c2", 0x0000002, 0x1000000, CRC(2be21620) SHA1(872c658f53bbc558e90f18d5db9cbaa82e748a6a) ) /* Plane 2,3 */
ROM_LOAD32_WORD( "271-c3.c3", 0x2000000, 0x1000000, CRC(ddded4ff) SHA1(ff7b356125bc9e6637b164f5e81b13eabeb8d804) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "271-c4.c4", 0x2000002, 0x1000000, CRC(d85521e6) SHA1(62278fa8690972ed32aca07a4f7f97e7203d9f3a) ) /* Plane 2,3 */
ROM_LOAD32_WORD( "271-c5.c5", 0x4000000, 0x1000000, CRC(18aa3540) SHA1(15e0a8c4e0927b1f7eb9bee8f532acea6818d5eb) ) /* Plane 0,1 */
ROM_LOAD32_WORD( "271-c6.c6", 0x4000002, 0x1000000, CRC(1c40de87) SHA1(8d6425aed43ff6a96c88194e203df6a783286373) ) /* Plane 2,3 */
ROM_END
/*************************************
*
* Additional encryption
*
*************************************/
/* ms5pcb and svcpcb have an additional scramble on top of the standard CMC scrambling */
void neopcb_state::svcpcb_gfx_decrypt()
{
static const uint8_t xorval[4] = { 0x34, 0x21, 0xc4, 0xe9 };
int rom_size = memregion("sprites")->bytes();
uint8_t *rom = memregion("sprites")->base();
std::vector<uint8_t> buf(rom_size);
for (int i = 0; i < rom_size; i++)
rom[i] ^= xorval[(i % 4)];
for (int i = 0; i < rom_size; i += 4)
{
uint32_t rom32 = rom[i] | rom[i+1]<<8 | rom[i+2]<<16 | rom[i+3]<<24;
rom32 = bitswap<32>(rom32, 0x09, 0x0d, 0x13, 0x00, 0x17, 0x0f, 0x03, 0x05, 0x04, 0x0c, 0x11, 0x1e, 0x12, 0x15, 0x0b, 0x06, 0x1b, 0x0a, 0x1a, 0x1c, 0x14, 0x02, 0x0e, 0x1d, 0x18, 0x08, 0x01, 0x10, 0x19, 0x1f, 0x07, 0x16);
buf[i] = rom32 & 0xff;
buf[i+1] = (rom32>>8) & 0xff;
buf[i+2] = (rom32>>16) & 0xff;
buf[i+3] = (rom32>>24) & 0xff;
}
for (int i = 0; i < rom_size / 4; i++)
{
int ofst = bitswap<24>((i & 0x1fffff), 0x17, 0x16, 0x15, 0x04, 0x0b, 0x0e, 0x08, 0x0c, 0x10, 0x00, 0x0a, 0x13, 0x03, 0x06, 0x02, 0x07, 0x0d, 0x01, 0x11, 0x09, 0x14, 0x0f, 0x12, 0x05);
ofst ^= 0x0c8923;
ofst += (i & 0xffe00000);
memcpy(&rom[i * 4], &buf[ofst * 4], 0x04);
}
}
/* and a further swap on the s1 data */
void neopcb_state::svcpcb_s1data_decrypt()
{
uint8_t *s1 = memregion("fixed")->base();
size_t s1_size = memregion("fixed")->bytes();
for (int i = 0; i < s1_size; i++) // Decrypt S
s1[i] = bitswap<8>(s1[i] ^ 0xd2, 4, 0, 7, 2, 5, 1, 6, 3);
}
/* kf2k3pcb has an additional scramble on top of the standard CMC scrambling */
/* Thanks to Razoola & Halrin for the info */
void neopcb_state::kf2k3pcb_gfx_decrypt()
{
static const uint8_t xorval[4] = { 0x34, 0x21, 0xc4, 0xe9 };
int rom_size = memregion("sprites")->bytes();
uint8_t *rom = memregion("sprites")->base();
std::vector<uint8_t> buf(rom_size);
for (int i = 0; i < rom_size; i++)
rom[ i ] ^= xorval[ (i % 4) ];
for (int i = 0; i < rom_size; i +=4)
{
uint32_t rom32 = rom[i] | rom[i+1]<<8 | rom[i+2]<<16 | rom[i+3]<<24;
rom32 = bitswap<32>(rom32, 0x09, 0x0d, 0x13, 0x00, 0x17, 0x0f, 0x03, 0x05, 0x04, 0x0c, 0x11, 0x1e, 0x12, 0x15, 0x0b, 0x06, 0x1b, 0x0a, 0x1a, 0x1c, 0x14, 0x02, 0x0e, 0x1d, 0x18, 0x08, 0x01, 0x10, 0x19, 0x1f, 0x07, 0x16);
buf[i] = rom32 & 0xff;
buf[i+1] = (rom32>>8) & 0xff;
buf[i+2] = (rom32>>16) & 0xff;
buf[i+3] = (rom32>>24) & 0xff;
}
for (int i = 0; i < rom_size; i+=4)
{
int ofst = bitswap<24>((i & 0x7fffff), 0x17, 0x15, 0x0a, 0x14, 0x13, 0x16, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00);
ofst ^= 0x000000;
ofst += (i & 0xff800000);
memcpy(&rom[ofst], &buf[i], 0x04);
}
}
/* and a further swap on the s1 data */
void neopcb_state::kf2k3pcb_decrypt_s1data()
{
uint8_t *src;
uint8_t *dst;
int tx_size = memregion("fixed")->bytes();
int srom_size = memregion("sprites")->bytes();
src = memregion("sprites")->base() + srom_size - 0x1000000 - 0x80000; // Decrypt S
dst = memregion("fixed")->base();
for (int i = 0; i < tx_size / 2; i++)
dst[i] = src[(i & ~0x1f) + ((i & 7) << 2) + ((~i & 8) >> 2) + ((i & 0x10) >> 4)];
src = memregion("sprites")->base() + srom_size - 0x80000;
dst = memregion("fixed")->base() + 0x80000;
for (int i = 0; i < tx_size / 2; i++)
dst[i] = src[(i & ~0x1f) + ((i & 7) << 2) + ((~i & 8) >> 2) + ((i & 0x10) >> 4)];
dst = memregion("fixed")->base();
for (int i = 0; i < tx_size; i++)
dst[i] = bitswap<8>(dst[i] ^ 0xd2, 4, 0, 7, 2, 5, 1, 6, 3);
}
/* only found on kf2k3pcb */
void neopcb_state::kf2k3pcb_sp1_decrypt()
{
static const uint8_t address[0x40] = {
0x04,0x0a,0x04,0x0a,0x04,0x0a,0x04,0x0a,
0x0a,0x04,0x0a,0x04,0x0a,0x04,0x0a,0x04,
0x09,0x07,0x09,0x07,0x09,0x07,0x09,0x07,
0x09,0x09,0x04,0x04,0x09,0x09,0x04,0x04,
0x0b,0x0d,0x0b,0x0d,0x03,0x05,0x03,0x05,
0x0e,0x0e,0x03,0x03,0x0e,0x0e,0x03,0x03,
0x03,0x05,0x0b,0x0d,0x03,0x05,0x0b,0x0d,
0x04,0x00,0x04,0x00,0x0e,0x0a,0x0e,0x0a
};
uint16_t *rom = (uint16_t *)memregion("mainbios")->base();
std::vector<uint16_t> buf(0x80000/2);
for (int i = 0; i < 0x80000/2; i++)
{
// address xor
int addr = i ^ 0x0020;
if ( i & 0x00020) addr ^= 0x0010;
if (~i & 0x00010) addr ^= 0x0040;
if (~i & 0x00004) addr ^= 0x0080;
if ( i & 0x00200) addr ^= 0x0100;
if (~i & 0x02000) addr ^= 0x0400;
if (~i & 0x10000) addr ^= 0x1000;
if ( i & 0x02000) addr ^= 0x8000;
addr ^= address[((i >> 1) & 0x38) | (i & 7)];
buf[i] = rom[addr];
// data xor
if (buf[i] & 0x0004) buf[i] ^= 0x0001;
if (buf[i] & 0x0010) buf[i] ^= 0x0002;
if (buf[i] & 0x0020) buf[i] ^= 0x0008;
}
memcpy(rom, &buf[0], 0x80000);
}
/*************************************
*
* Game-specific inits
*
*************************************/
// macros allow code below to be copy+pasted into slot devices more easily
#define cpuregion memregion("maincpu")->base()
#define cpuregion_size memregion("maincpu")->bytes()
#define spr_region memregion("sprites")->base()
#define spr_region_size memregion("sprites")->bytes()
#define fix_region memregion("fixed")->base()
#define fix_region_size memregion("fixed")->bytes()
#define ym_region memregion("ymsnd:adpcma")->base()
#define ym_region_size memregion("ymsnd:adpcma")->bytes()
#define audiocpu_region memregion("audiocpu")->base()
#define audio_region_size memregion("audiocpu")->bytes()
#define audiocrypt_region memregion("audiocrypt")->base()
#define audiocrypt_region_size memregion("audiocrypt")->bytes()
/*********************************************** non-carts */
void neopcb_state::write_bankpvc(offs_t offset, uint16_t data, uint16_t mem_mask)
{
// write to cart ram
m_pvc_prot->protection_w(offset, data, mem_mask);
// actual bankswitch
if (offset >= 0xff8)
{
m_bank_base = m_pvc_prot->get_bank_base();
m_cpu_bank->set_base(m_region_maincpu->base() + m_bank_base);
}
}
void neopcb_state::install_common()
{
// install memory bank
m_maincpu->space(AS_PROGRAM).install_rom(0x000080, 0x0fffff, (uint16_t *)m_region_maincpu->base() + 0x80/2);
m_maincpu->space(AS_PROGRAM).install_read_bank(0x200000, 0x2fffff, m_cpu_bank);
m_cpu_bank->set_base(m_region_maincpu->base() + 0x100000);
// install protection handlers + bankswitch handler
m_maincpu->space(AS_PROGRAM).install_read_handler(0x2fe000, 0x2fffff, read16sm_delegate(*m_pvc_prot, FUNC(pvc_prot_device::protection_r)));
m_maincpu->space(AS_PROGRAM).install_write_handler(0x2fe000, 0x2fffff, write16s_delegate(*this, FUNC(neopcb_state::write_bankpvc)));
// perform basic memory initialization that are usually done on-cart
m_curr_slot = 0;
m_bank_base = 0;
init_audio();
m_audiocpu->reset();
m_ym->reset();
init_sprites();
}
void neopcb_state::install_banked_bios()
{
m_maincpu->space(AS_PROGRAM).install_read_bank(0xc00000, 0xc1ffff, 0x0e0000, m_bios_bank);
m_bios_bank->configure_entries(0, 2, memregion("mainbios")->base(), 0x20000);
m_bios_bank->set_entry(1);
}
void neopcb_state::init_ms5pcb()
{
install_common();
install_banked_bios();
m_sprgen->m_fixed_layer_bank_type = 2;
m_pvc_prot->mslug5_decrypt_68k(cpuregion, cpuregion_size);
m_pcm2_prot->swap(ym_region, ym_region_size, 2);
m_cmc_prot->cmc50_m1_decrypt(audiocrypt_region, audiocrypt_region_size, audiocpu_region, audio_region_size);
svcpcb_gfx_decrypt();
m_cmc_prot->cmc50_gfx_decrypt(spr_region, spr_region_size, MSLUG5_GFX_KEY);
m_cmc_prot->sfix_decrypt(spr_region, spr_region_size, fix_region, fix_region_size);
svcpcb_s1data_decrypt();
}
void neopcb_state::init_svcpcb()
{
install_common();
install_banked_bios();
m_sprgen->m_fixed_layer_bank_type = 2;
m_pvc_prot->svc_px_decrypt(cpuregion, cpuregion_size);
m_pcm2_prot->swap(ym_region, ym_region_size, 3);
m_cmc_prot->cmc50_m1_decrypt(audiocrypt_region, audiocrypt_region_size, audiocpu_region, audio_region_size);
svcpcb_gfx_decrypt();
m_cmc_prot->cmc50_gfx_decrypt(spr_region, spr_region_size, SVC_GFX_KEY);
m_cmc_prot->sfix_decrypt(spr_region, spr_region_size, fix_region, fix_region_size);
svcpcb_s1data_decrypt();
}
void neopcb_state::init_kf2k3pcb()
{
install_common();
m_sprgen->m_fixed_layer_bank_type = 2;
m_pvc_prot->kf2k3pcb_decrypt_68k(cpuregion, cpuregion_size);
m_pcm2_prot->swap(ym_region, ym_region_size, 5);
kf2k3pcb_sp1_decrypt();
m_cmc_prot->cmc50_m1_decrypt(audiocrypt_region, audiocrypt_region_size, audiocpu_region, audio_region_size);
// extra little swap on the m1 - this must be performed AFTER the m1 decrypt
// or the m1 checksum (used to generate the key) for decrypting the m1 is
// incorrect
uint8_t* rom = memregion("audiocpu")->base();
for (int i = 0; i < 0x90000; i++)
rom[i] = bitswap<8>(rom[i], 5, 6, 1, 4, 3, 0, 7, 2);
kf2k3pcb_gfx_decrypt();
m_cmc_prot->cmc50_gfx_decrypt(spr_region, spr_region_size, KOF2003_GFX_KEY);
m_cmc_prot->sfix_decrypt(spr_region, spr_region_size, fix_region, fix_region_size);
kf2k3pcb_decrypt_s1data();
m_maincpu->space(AS_PROGRAM).install_rom(0xc00000, 0xc7ffff, 0x080000, memregion("mainbios")->base()); // 512k bios
}
} // anonymous namespace
GAME( 2003, ms5pcb, 0, neopcb, dualbios, neopcb_state, init_ms5pcb, ROT0, "SNK Playmore", "Metal Slug 5 (JAMMA PCB)", MACHINE_SUPPORTS_SAVE )
GAME( 2003, svcpcb, 0, neopcb, dualbios, neopcb_state, init_svcpcb, ROT0, "Playmore / Capcom", "SNK vs. Capcom - SVC Chaos (JAMMA PCB, set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 2003, svcpcba, svcpcb, neopcb, dualbios, neopcb_state, init_svcpcb, ROT0, "Playmore / Capcom", "SNK vs. Capcom - SVC Chaos (JAMMA PCB, set 2)", MACHINE_SUPPORTS_SAVE ) /* Encrypted Code */
GAME( 2003, kf2k3pcb, 0, neopcb, neogeo, neopcb_state, init_kf2k3pcb, ROT0, "SNK Playmore", "The King of Fighters 2003 (Japan, JAMMA PCB)", MACHINE_SUPPORTS_SAVE )