summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/bus/nes/nes_unif.inc
blob: dcbf58a0c687886e1be46f7a7a20ae4580ff94cd (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
/*****************************************************************************************

    NES MMC Emulation - UNIF boards

    Very preliminary support for UNIF boards

    TODO:
    - properly support WRAM, etc.

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


/* Set to generate prg & chr files when the cart is loaded */
#define SPLIT_PRG   0
#define SPLIT_CHR   0


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

 unif_list

 Supported UNIF boards and corresponding handlers

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


struct unif
{
	const char *board; /* UNIF board */

	int nvwram;
	int wram;
	int chrram;
	int board_idx;
};


/* CHRRAM sizes */
enum
{
	CHRRAM_0 = 0,
	CHRRAM_1,
	CHRRAM_2,
	CHRRAM_4,
	CHRRAM_6,
	CHRRAM_8,
	CHRRAM_16,
	CHRRAM_32
};

static const unif unif_list[] =
{
/*       UNIF                       NVW  WRAM  CRAM     IDX*/
	{ "DREAMTECH01",                0,    0, CHRRAM_8,  DREAMTECH_BOARD},       //UNIF only!
	{ "NES-ANROM",                  0,    0, CHRRAM_8,  STD_AXROM},
	{ "NES-AOROM",                  0,    0, CHRRAM_8,  STD_AXROM},
	{ "NES-CNROM",                  0,    0, CHRRAM_0,  STD_CNROM},
	{ "NES-NROM",                   0,    0, CHRRAM_0,  STD_NROM},
	{ "NES-NROM-128",               0,    0, CHRRAM_0,  STD_NROM},
	{ "NES-NROM-256",               0,    0, CHRRAM_0,  STD_NROM},
	{ "NES-NTBROM",                 8,    0, CHRRAM_0,  SUNSOFT_DCS},
	{ "NES-SLROM",                  0,    0, CHRRAM_0,  STD_SXROM},
	{ "NES-TBROM",                  0,    0, CHRRAM_0,  STD_TXROM},
	{ "NES-TFROM",                  0,    0, CHRRAM_0,  STD_TXROM},
	{ "NES-TKROM",                  8,    0, CHRRAM_0,  STD_TXROM},
	{ "NES-TLROM",                  0,    0, CHRRAM_0,  STD_TXROM},
	{ "NES-UOROM",                  0,    0, CHRRAM_8,  STD_UXROM},
	{ "UNL-22211",                  0,    0, CHRRAM_0,  TXC_22211},
	// mapper 172 & 173 are variant of this one... no UNIF?
	{ "UNL-KOF97",                  0,    0, CHRRAM_0,  UNL_KOF97},
	{ "UNL-SA-NROM",                0,    0, CHRRAM_0,  SACHEN_TCA01},
	{ "UNL-VRC7",                   0,    0, CHRRAM_0,  KONAMI_VRC7},
	{ "UNL-T-230",                  0,    0, CHRRAM_8,  UNL_T230},
	{ "UNL-CC-21",                  0,    0, CHRRAM_0,  UNL_CC21},
	{ "UNL-AX5705",                 0,    0, CHRRAM_0,  UNL_AX5705},
	{ "UNL-SMB2J",                  8,    8, CHRRAM_0,  UNL_SMB2J},
	{ "UNL-8237",                   0,    0, CHRRAM_0,  UNL_8237},
	{ "UNL-SL1632",                 0,    0, CHRRAM_0,  REXSOFT_SL1632},
	{ "UNL-SACHEN-74LS374N",        0,    0, CHRRAM_0,  SACHEN_74LS374},
	// mapper 243 variant exists! how to distinguish?!?  mapper243_l_w, NULL, NULL, NULL, NULL, NULL, NULL (also uses NT_VERT!)
	{ "UNL-TC-U01-1.5M",            0,    0, CHRRAM_0,  SACHEN_TCU01},
	{ "UNL-SACHEN-8259C",           0,    0, CHRRAM_0,  SACHEN_8259C},
	{ "UNL-SA-016-1M",              0,    0, CHRRAM_0,  AVE_NINA06},    // actually this is Mapper 146, but works like 79!
	{ "UNL-SACHEN-8259D",           0,    0, CHRRAM_0,  SACHEN_8259D},
	{ "UNL-SA-72007",               0,    0, CHRRAM_0,  SACHEN_SA72007},
	{ "UNL-SA-72008",               0,    0, CHRRAM_0,  SACHEN_SA72008},
	{ "UNL-SA-0037",                0,    0, CHRRAM_0,  SACHEN_SA0037},
	{ "UNL-SA-0036",                0,    0, CHRRAM_0,  SACHEN_SA0036},
	{ "UNL-SA-9602B",               0,    0, CHRRAM_0,  SACHEN_SA9602B},
	{ "UNL-SACHEN-8259A",           0,    0, CHRRAM_0,  SACHEN_8259A},
	{ "UNL-SACHEN-8259B",           0,    0, CHRRAM_0,  SACHEN_8259B},
	{ "BMC-190IN1",                 0,    0, CHRRAM_0,  BMC_190IN1},
	{ "BMC-64IN1NOREPEAT",          0,    0, CHRRAM_0,  BMC_64IN1NR},       //UNIF only!
	{ "BMC-A65AS",                  0,    0, CHRRAM_8,  BMC_A65AS},     //UNIF only!
	{ "BMC-GS-2004",                0,    0, CHRRAM_8,  RCM_GS2004},        //UNIF only!
	{ "BMC-GS-2013",                0,    0, CHRRAM_8,  RCM_GS2013},        //UNIF only!
	{ "BMC-NOVELDIAMOND9999999IN1", 0,    0, CHRRAM_0,  BMC_NOVEL1},
	{ "BMC-SUPER24IN1SC03",         8,    0, CHRRAM_8,  BMC_S24IN1SC03},
	{ "BMC-SUPERHIK8IN1",           8,    0, CHRRAM_0,  BMC_HIK8IN1},
	{ "BMC-T-262",                  0,    0, CHRRAM_8,  BMC_T262},      //UNIF only!
	{ "BMC-WS",                     0,    0, CHRRAM_0,  BMC_WS},        //UNIF only!
	{ "BMC-N625092",                0,    0, CHRRAM_0,  UNL_N625092},
	// below are boards which are not yet supported, but are used by some UNIF files. they are here as a reminder to what is missing to be added
	{ "UNL-TEK90",                  0,    0, CHRRAM_0,  JYCOMPANY_A}, // JY Company A (is TEK90 the real PCB name?)
	{ "UNL-KS7017",                 0,    0, CHRRAM_0,  KAISER_KS7017},
	{ "UNL-KS7032",                 0,    0, CHRRAM_0,  KAISER_KS7032}, //  mapper 142
	{ "UNL-603-5052",               0,    0, CHRRAM_0,  UNL_603_5052}, // mapper 238?
	{ "UNL-EDU2000",               32,    0, CHRRAM_8,  UNL_EDU2K},
	{ "UNL-H2288",                  0,    0, CHRRAM_0,  UNL_H2288}, // mapper 123
	{ "UNL-SHERO",                  0,    0, CHRRAM_8,  SACHEN_SHERO},
	{ "UNL-YOKO",                   0,    0, CHRRAM_0,  YOKO_BOARD}, // similar to mapper 83, but not the same
	{ "UNL-FS304",                  0,    8, CHRRAM_8,  WAIXING_FS304}, // used in Zelda 3 by Waixing
	{ "UNL-43272",                  0,    0, CHRRAM_0,  UNL_43272}, // used in Gaau Hok Gwong Cheung
	{ "BTL-MARIO1-MALEE2",          0,    0, CHRRAM_0,  UNL_MMALEE}, // mapper 55?
	{ "BMC-FK23C",                  0,    0, CHRRAM_0,  BMC_FK23C},
	{ "BMC-FK23CA",                 0,    0, CHRRAM_0,  BMC_FK23CA},
	{ "BMC-GHOSTBUSTERS63IN1",      0,    0, CHRRAM_8,  BMC_G63IN1 },
	{ "BMC-BS-5",                   0,    0, CHRRAM_0,  BMC_BENSHIENG},
	{ "BMC-810544-C-A1",            0,    0, CHRRAM_0,  BMC_810544},
	{ "BMC-411120-C",               0,    0, CHRRAM_0,  BMC_411120C},
	{ "BMC-8157",                   0,    0, CHRRAM_8,  BMC_8157},
	{ "BMC-830118C",                0,    0, CHRRAM_0,  BMC_830118C},
	{ "BMC-D1038",                  0,    0, CHRRAM_0,  BMC_VT5201}, // mapper 60?
	{ "BMC-SUPERVISION16IN1",       0,    0, CHRRAM_0,  SVISION16_BOARD}, // mapper 53
	{ "BMC-NTD-03",                 0,    0, CHRRAM_0,  BMC_NTD_03},
	{ "UNL-AC08",                   0,    0, CHRRAM_0,  UNL_AC08},
	{ "UNL-BB",                     0,    0, CHRRAM_0,  UNL_BB},
	{ "UNL-LH32",                   0,    0, CHRRAM_0,  UNL_LH32},
	{ "UNL-LH53",                   0,    0, CHRRAM_0,  UNL_LH53},
	{ "BMC-G-146",                  0,    0, CHRRAM_0,  BMC_G146},
	{ "BMC-11160",                  0,    0, CHRRAM_0,  BMC_11160},
	{ "UNL-MALISB",                 0,    0, CHRRAM_0,  UNL_MALISB},
	{ "UNL-TF1201",                 0,    0, CHRRAM_0,  UNL_TF1201},
	{ "BMC-12-IN-1",                0,    0, CHRRAM_0,  UNSUPPORTED_BOARD},
	{ "BMC-70IN1",                  0,    0, CHRRAM_0,  UNSUPPORTED_BOARD}, // mapper 236?
	{ "BMC-70IN1B",                 0,    0, CHRRAM_0,  UNSUPPORTED_BOARD}, // mapper 236?
	{ "BMC-42IN1RESETSWITCH",       0,    0, CHRRAM_0,  UNSUPPORTED_BOARD}, // mapper 60?
	{ "PEC-586",                     0,    0, CHRRAM_0,  UNSUPPORTED_BOARD},
	{ "UNL-DANCE",                  0,    0, CHRRAM_0,  UNSUPPORTED_BOARD},
	{ "UNL-DRIPGAME",               0,    0, CHRRAM_0,  UNSUPPORTED_BOARD}, // [by Quietust - we need more info]
	{ "UNL-CITYFIGHT",              0,    0, CHRRAM_0,  UNSUPPORTED_BOARD},
	{ "UNL-OneBus",                 0,    0, CHRRAM_0,  UNSUPPORTED_BOARD},
	{ "UNL-DANCE2000",              0,    0, CHRRAM_0,  UNSUPPORTED_BOARD}
};

const unif *nes_unif_lookup( const char *board )
{
	int i;
	for (i = 0; i < ARRAY_LENGTH(unif_list); i++)
	{
		if (!core_stricmp(unif_list[i].board, board))
			return &unif_list[i];
	}
	return NULL;
}

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

 unif_mapr_setup

 setup the board specific variables (wram, nvwram, pcb_id etc.)
 for a given board (after reading the MAPR chunk of the UNIF file)

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

void unif_mapr_setup( const char *board, int *pcb_id, int *battery, int *prgram, int *vram_chunks )
{
	const unif *unif_board = nes_unif_lookup(board);
	if (unif_board == NULL)
		fatalerror("Unknown UNIF board %s.\n", board);

	*pcb_id = unif_board->board_idx;
	*battery = unif_board->nvwram;  // we should implement battery banks based on the size of this...
	*prgram = unif_board->wram; // we should implement WRAM banks based on the size of this...

	if (unif_board->chrram <= CHRRAM_8)
		*vram_chunks = 1;
	else if (unif_board->chrram == CHRRAM_16)
		*vram_chunks = 2;
	else if (unif_board->chrram == CHRRAM_32)
		*vram_chunks = 4;
}


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

 call_load_unif

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

void nes_cart_slot_device::call_load_unif()
{
	UINT32 vram_size = 0, prgram_size = 0, battery_size = 0, mapper_sram_size = 0;
	// SETUP step 1: running through the file and getting PRG, VROM sizes
	UINT32 unif_ver = 0, chunk_length = 0, read_length = 0x20;
	UINT32 prg_start = 0, chr_start = 0;
	UINT32 size = length(), prg_size = 0, vrom_size = 0;
	UINT8 buffer[4], mirror = 0;
	char magic2[4];
	char unif_mapr[32]; // here we should store MAPR chunks
	bool mapr_chunk_found = FALSE, small_prg = FALSE;

	// allocate space to temporarily store PRG & CHR banks
	dynamic_buffer temp_prg(256 * 0x4000);
	dynamic_buffer temp_chr(256 * 0x2000);
	UINT8 temp_byte = 0;

	fseek(4, SEEK_SET);
	fread(&buffer, 4);
	unif_ver = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);
	logerror("Loaded game in UNIF format, version %d\n", unif_ver);

	do
	{
		fseek(read_length, SEEK_SET);

		memset(magic2, '\0', sizeof(magic2));
		fread(&magic2, 4);

		/* We first run through the whole image to find a [MAPR] chunk. This is needed
		 because, unfortunately, the MAPR chunk is not always the first chunk (see
		 Super 24-in-1). When such a chunk is found, we set mapr_chunk_found=1 and
		 we go back to load other chunks! */
		if (!mapr_chunk_found)
		{
			if ((magic2[0] == 'M') && (magic2[1] == 'A') && (magic2[2] == 'P') && (magic2[3] == 'R'))
			{
				mapr_chunk_found = TRUE;
				logerror("[MAPR] chunk found: ");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				if (chunk_length <= 0x20)
					fread(&unif_mapr, chunk_length);
				logerror("%s\n", unif_mapr);

				/* now that we found the MAPR chunk, we can go back to load other chunks */
				fseek(0x20, SEEK_SET);
				read_length = 0x20;
			}
			else
			{
				logerror("Skip this chunk. We need a [MAPR] chunk before anything else.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
		}
		else
		{
			/* What kind of chunk do we have here? */
			if ((magic2[0] == 'M') && (magic2[1] == 'A') && (magic2[2] == 'P') && (magic2[3] == 'R'))
			{
				/* The [MAPR] chunk has already been read, so we skip it */
				/* TO DO: it would be nice to check if more than one MAPR chunk is present */
				logerror("[MAPR] chunk found (in the 2nd run). Already loaded.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'R') && (magic2[1] == 'E') && (magic2[2] == 'A') && (magic2[3] == 'D'))
			{
				logerror("[READ] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'N') && (magic2[1] == 'A') && (magic2[2] == 'M') && (magic2[3] == 'E'))
			{
				logerror("[NAME] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'W') && (magic2[1] == 'R') && (magic2[2] == 'T') && (magic2[3] == 'R'))
			{
				logerror("[WRTR] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'T') && (magic2[1] == 'V') && (magic2[2] == 'C') && (magic2[3] == 'I'))
			{
				logerror("[TVCI] chunk found.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				fread(&temp_byte, 1);
				logerror("Television Standard : %s\n", (temp_byte == 0) ? "NTSC" : (temp_byte == 1) ? "PAL" : "Does not matter");

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'T') && (magic2[1] == 'V') && (magic2[2] == 'S') && (magic2[3] == 'C')) // is this the same as TVCI??
			{
				logerror("[TVSC] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'D') && (magic2[1] == 'I') && (magic2[2] == 'N') && (magic2[3] == 'F'))
			{
				logerror("[DINF] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'C') && (magic2[1] == 'T') && (magic2[2] == 'R') && (magic2[3] == 'L'))
			{
				logerror("[CTRL] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'B') && (magic2[1] == 'A') && (magic2[2] == 'T') && (magic2[3] == 'R'))
			{
				logerror("[BATR] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'V') && (magic2[1] == 'R') && (magic2[2] == 'O') && (magic2[3] == 'R'))
			{
				logerror("[VROR] chunk found. No support yet.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'M') && (magic2[1] == 'I') && (magic2[2] == 'R') && (magic2[3] == 'R'))
			{
				logerror("[MIRR] chunk found.\n");
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				fread(&mirror, 1);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'P') && (magic2[1] == 'C') && (magic2[2] == 'K'))
			{
				logerror("[PCK%c] chunk found. No support yet.\n", magic2[3]);
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'C') && (magic2[1] == 'C') && (magic2[2] == 'K'))
			{
				logerror("[CCK%c] chunk found. No support yet.\n", magic2[3]);
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);

				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'P') && (magic2[1] == 'R') && (magic2[2] == 'G'))
			{
				logerror("[PRG%c] chunk found. ", magic2[3]);
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);
				prg_size += chunk_length;

				if (chunk_length / 0x4000)
					logerror("It consists of %d 16K-blocks.\n", chunk_length / 0x4000);
				else
				{
					small_prg = TRUE;
					logerror("This chunk is smaller than 16K: the emulation might have issues. Please report this file to the MESS forums.\n");
				}

				/* Read in the program chunks */
				fread(&temp_prg[prg_start], chunk_length);

				prg_start += chunk_length;
				read_length += (chunk_length + 8);
			}
			else if ((magic2[0] == 'C') && (magic2[1] == 'H') && (magic2[2] == 'R'))
			{
				logerror("[CHR%c] chunk found. ", magic2[3]);
				fread(&buffer, 4);
				chunk_length = buffer[0] | (buffer[1] << 8) | (buffer[2] << 16) | (buffer[3] << 24);
				vrom_size += chunk_length;

				logerror("It consists of %d 8K-blocks.\n", chunk_length / 0x2000);

				/* Read in the vrom chunks */
				fread(&temp_chr[chr_start], chunk_length);

				chr_start += chunk_length;
				read_length += (chunk_length + 8);
			}
			else
			{
				logerror("Unsupported UNIF chunk or corrupted header. Please report the problem at MESS Board.\n");
				read_length = size;
			}
		}
	} while (size > read_length);

	if (!mapr_chunk_found)
	{
		fatalerror("UNIF should have a [MAPR] chunk to work. Check if your image has been corrupted\n");
	}

	if (!prg_start)
	{
		fatalerror("No PRG found. Please report the problem at MESS Board.\n");
	}

	// SETUP step 2: getting PCB and other settings
	int pcb_id = 0, battery = 0, prgram = 0, vram_chunks = 0;
	unif_mapr_setup(unif_mapr, &pcb_id, &battery, &prgram, &vram_chunks);

	// SETUP step 3: storing the info needed for emulation
	m_pcb_id = pcb_id;
	if (battery)
		battery_size = NES_BATTERY_SIZE; // we should allow for smaller battery!
	prgram_size = prgram * 0x2000;
	vram_size = vram_chunks * 0x2000;

	m_cart->set_four_screen_vram(FALSE);
	switch (mirror)
	{
		case 0: // Horizontal Mirroring (Hard Wired)
			m_cart->set_mirroring(PPU_MIRROR_HORZ);
			break;
		case 1: // Vertical Mirroring (Hard Wired)
			m_cart->set_mirroring(PPU_MIRROR_VERT);
			break;
		case 2: // Mirror All Pages From $2000 (Hard Wired)
			m_cart->set_mirroring(PPU_MIRROR_LOW);
			break;
		case 3: // Mirror All Pages From $2400 (Hard Wired)
			m_cart->set_mirroring(PPU_MIRROR_HIGH);
			break;
		case 4: // Four Screens of VRAM (Hard Wired)
			m_cart->set_four_screen_vram(TRUE);
			m_cart->set_mirroring(PPU_MIRROR_4SCREEN);
			break;
		case 5: // Mirroring Controlled By Mapper Hardware
			logerror("Mirroring handled by the board hardware.\n");
			// default to horizontal at start
			m_cart->set_mirroring(PPU_MIRROR_HORZ);
			break;
		default:
			logerror("Undocumented mirroring value.\n");
			// default to horizontal
			m_cart->set_mirroring(PPU_MIRROR_HORZ);
			break;
	}

	// SETUP step 4: logging what we have found
	logerror("-- Board %s\n", unif_mapr);
	logerror("-- PRG 0x%x (%d x 16k chunks)\n", prg_size, prg_size / 0x4000);
	logerror("-- VROM 0x%x (%d x 8k chunks)\n", vrom_size, vrom_size / 0x2000);
	logerror("-- VRAM 0x%x (%d x 8k chunks)\n", vram_size, vram_size / 0x2000);

	// SETUP steps 5/6: allocate pointers for PRG/VROM and load the data!
	if (prg_size == 0x4000)
	{
		m_cart->prg_alloc(0x8000, tag());
		memcpy(m_cart->get_prg_base(), temp_prg, 0x4000);
		memcpy(m_cart->get_prg_base() + 0x4000, m_cart->get_prg_base(), 0x4000);
	}
	else
	{
		m_cart->prg_alloc(prg_size, tag());
		memcpy(m_cart->get_prg_base(), temp_prg, prg_size);
	}

	if (small_prg)  // This is not supported yet, so warn users about this
		osd_printf_error("Loaded UNIF file with non-16k PRG chunk. This is not supported in MESS yet.");

	if (vrom_size)
	{
		m_cart->vrom_alloc(vrom_size, tag());
		memcpy(m_cart->get_vrom_base(), temp_chr, vrom_size);
	}

#if SPLIT_PRG
	{
		FILE *prgout;
		char outname[255];

		sprintf(outname, "%s.prg", filename());
		prgout = fopen(outname, "wb");
		if (prgout)
		{
			fwrite(m_cart->get_prg_base(), 1, 0x4000 * m_cart->get_prg_size(), prgout);
			osd_printf_error("Created PRG chunk\n");
		}

		fclose(prgout);
	}
#endif

#if SPLIT_CHR
	if (state->m_chr_chunks > 0)
	{
		FILE *chrout;
		char outname[255];

		sprintf(outname, "%s.chr", filename());
		chrout= fopen(outname, "wb");
		if (chrout)
		{
			fwrite(m_cart->get_vrom_base(), 1, m_cart->get_vrom_size(), chrout);
			osd_printf_error("Created CHR chunk\n");
		}
		fclose(chrout);
	}
#endif
	// SETUP steps 7: allocate the remaining pointer, when needed
	if (vram_size)
		m_cart->vram_alloc(vram_size);
	if (prgram_size)
		m_cart->prgram_alloc(prgram_size);

	// Attempt to load a battery file for this ROM
	// A few boards have internal RAM with a battery (MMC6, Taito X1-005 & X1-017, etc.)
	if (battery_size || mapper_sram_size)
	{
		UINT32 tot_size = battery_size + mapper_sram_size;
		dynamic_buffer temp_nvram(tot_size);
		battery_load(temp_nvram, tot_size, 0x00);
		if (battery_size)
		{
			m_cart->battery_alloc(battery_size);
			memcpy(m_cart->get_battery_base(), temp_nvram, battery_size);
		}
		if (mapper_sram_size)
			memcpy(m_cart->get_mapper_sram_base(), temp_nvram + battery_size, mapper_sram_size);
	}

	logerror("UNIF support is only very preliminary.\n");
}

const char * nes_cart_slot_device::get_default_card_unif(UINT8 *ROM, UINT32 len)
{
	UINT32 chunk_length = 0, read_length = 0x20;
	int pcb_id = 0, battery = 0, prgram = 0, vram_chunks = 0;
	char unif_mapr[32];

	do
	{
		if ((ROM[read_length + 0] == 'M') && (ROM[read_length + 1] == 'A') && (ROM[read_length + 2] == 'P') && (ROM[read_length + 3] == 'R'))
		{
			chunk_length = ROM[read_length + 4] | (ROM[read_length + 5] << 8) | (ROM[read_length + 6] << 16) | (ROM[read_length + 7] << 24);

			if (chunk_length <= 0x20)
				memcpy(unif_mapr, ROM + read_length + 8, chunk_length);

			read_length += (chunk_length + 8);
		}
		else
		{
			chunk_length = ROM[read_length + 4] | (ROM[read_length + 5] << 8) | (ROM[read_length + 6] << 16) | (ROM[read_length + 7] << 24);
			read_length += (chunk_length + 8);
		}
	} while (len > read_length);

	unif_mapr_setup(unif_mapr, &pcb_id, &battery, &prgram, &vram_chunks);

	return nes_get_slot(pcb_id);
}