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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "sherlock/sherlock.h"
#include "sherlock/scalpel/drivers/mididriver.h"
#include "common/file.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "audio/fmopl.h"
#include "audio/softsynth/emumidi.h"
namespace Sherlock {
#define SHERLOCK_ADLIB_VOICES_COUNT 9
#define SHERLOCK_ADLIB_NOTES_COUNT 96
byte adlib_Operator1Register[SHERLOCK_ADLIB_VOICES_COUNT] = {
0x00, 0x01, 0x02, 0x08, 0x09, 0x0A, 0x10, 0x11, 0x12
};
byte adlib_Operator2Register[SHERLOCK_ADLIB_VOICES_COUNT] = {
0x03, 0x04, 0x05, 0x0B, 0x0C, 0x0D, 0x13, 0x14, 0x15
};
struct adlib_percussionChannelEntry {
byte requiredNote;
byte replacementNote;
};
// hardcoded, dumped from ADHOM.DRV
const adlib_percussionChannelEntry adlib_percussionChannelTable[SHERLOCK_ADLIB_VOICES_COUNT] = {
{ 0x00, 0x00 },
{ 0x00, 0x00 },
{ 0x00, 0x00 },
{ 0x00, 0x00 },
{ 0x00, 0x00 },
{ 0x00, 0x00 },
{ 0x24, 0x0C },
{ 0x38, 0x01 },
{ 0x26, 0x1E }
};
struct adlib_InstrumentEntry {
byte reg20op1;
byte reg40op1;
byte reg60op1;
byte reg80op1;
byte regE0op1;
byte reg20op2;
byte reg40op2;
byte reg60op2;
byte reg80op2;
byte regE0op2;
byte regC0;
byte frequencyAdjust;
};
// hardcoded, dumped from ADHOM.DRV
const adlib_InstrumentEntry adlib_instrumentTable[] = {
{ 0x71, 0x89, 0x51, 0x11, 0x00, 0x61, 0x23, 0x42, 0x15, 0x01, 0x02, 0xF4 },
{ 0x22, 0x20, 0x97, 0x89, 0x00, 0xA2, 0x1F, 0x70, 0x07, 0x00, 0x0A, 0xF4 },
{ 0x70, 0x1A, 0x64, 0x13, 0x00, 0x20, 0x1F, 0x53, 0x46, 0x00, 0x0E, 0xF4 },
{ 0xB6, 0x4A, 0xB6, 0x32, 0x00, 0x11, 0x2B, 0xD1, 0x31, 0x00, 0x0E, 0xE8 },
{ 0x71, 0x8B, 0x51, 0x11, 0x00, 0x61, 0x20, 0x32, 0x35, 0x01, 0x02, 0xF4 },
{ 0x71, 0x8A, 0x51, 0x11, 0x00, 0x61, 0x20, 0x32, 0x25, 0x01, 0x02, 0xF4 },
{ 0x23, 0x0F, 0xF4, 0x04, 0x02, 0x2F, 0x25, 0xF0, 0x43, 0x00, 0x06, 0xE8 },
{ 0x71, 0x1C, 0x71, 0x03, 0x00, 0x21, 0x1F, 0x54, 0x17, 0x00, 0x0E, 0xF4 },
{ 0x71, 0x8A, 0x6E, 0x17, 0x00, 0x25, 0x27, 0x6B, 0x0E, 0x00, 0x02, 0xF4 },
{ 0x71, 0x1D, 0x81, 0x03, 0x00, 0x21, 0x1F, 0x64, 0x17, 0x00, 0x0E, 0xF4 },
{ 0x01, 0x4B, 0xF1, 0x50, 0x00, 0x01, 0x23, 0xD2, 0x76, 0x00, 0x06, 0xF4 },
{ 0x2F, 0xCA, 0xF8, 0xE5, 0x00, 0x21, 0x1F, 0xC0, 0xFF, 0x00, 0x00, 0xF4 },
{ 0x29, 0xCD, 0xF0, 0x91, 0x00, 0x21, 0x1F, 0xE0, 0x86, 0x00, 0x02, 0xF4 },
{ 0x24, 0xD0, 0xF0, 0x01, 0x00, 0x21, 0x1F, 0xE0, 0x86, 0x00, 0x02, 0xF4 },
{ 0x23, 0xC8, 0xF0, 0x01, 0x00, 0x21, 0x1F, 0xE0, 0x86, 0x00, 0x02, 0xF4 },
{ 0x64, 0xC9, 0xB0, 0x01, 0x00, 0x61, 0x1F, 0xF0, 0x86, 0x00, 0x02, 0xF4 },
{ 0x33, 0x85, 0xA1, 0x10, 0x00, 0x15, 0x9F, 0x72, 0x23, 0x00, 0x08, 0xF4 },
{ 0x31, 0x85, 0xA1, 0x10, 0x00, 0x15, 0x9F, 0x73, 0x33, 0x00, 0x08, 0xF4 },
{ 0x31, 0x81, 0xA1, 0x30, 0x00, 0x16, 0x9F, 0xC2, 0x74, 0x00, 0x08, 0xF4 },
{ 0x03, 0x8A, 0xF0, 0x7B, 0x00, 0x02, 0x9F, 0xF4, 0x7B, 0x00, 0x08, 0xF4 },
{ 0x03, 0x8A, 0xF0, 0x7B, 0x00, 0x01, 0x9F, 0xF4, 0x7B, 0x00, 0x08, 0xF4 },
{ 0x23, 0x8A, 0xF2, 0x7B, 0x00, 0x01, 0x9F, 0xF4, 0x7B, 0x00, 0x08, 0xF4 },
{ 0x32, 0x80, 0x01, 0x10, 0x00, 0x12, 0x9F, 0x72, 0x33, 0x00, 0x08, 0xF4 },
{ 0x32, 0x80, 0x01, 0x10, 0x00, 0x14, 0x9F, 0x73, 0x33, 0x00, 0x08, 0xF4 },
{ 0x31, 0x16, 0x73, 0x8E, 0x00, 0x21, 0x1F, 0x80, 0x9E, 0x00, 0x0E, 0xF4 },
{ 0x30, 0x16, 0x73, 0x7E, 0x00, 0x21, 0x1F, 0x80, 0x9E, 0x00, 0x0E, 0x00 },
{ 0x31, 0x94, 0x33, 0x73, 0x00, 0x21, 0x1F, 0xA0, 0x97, 0x00, 0x0E, 0xF4 },
{ 0x31, 0x94, 0xD3, 0x73, 0x00, 0x21, 0x20, 0xA0, 0x97, 0x00, 0x0E, 0xF4 },
{ 0x31, 0x45, 0xF1, 0x53, 0x00, 0x32, 0x1F, 0xF2, 0x27, 0x00, 0x06, 0xF4 },
{ 0x13, 0x0C, 0xF2, 0x01, 0x00, 0x15, 0x2F, 0xF2, 0xB6, 0x00, 0x08, 0xF4 },
{ 0x11, 0x0C, 0xF2, 0x01, 0x00, 0x11, 0x1F, 0xF2, 0xB6, 0x00, 0x08, 0xF4 },
{ 0x11, 0x0A, 0xFE, 0x04, 0x00, 0x11, 0x1F, 0xF2, 0xBD, 0x00, 0x08, 0xF4 },
{ 0x16, 0x4D, 0xFA, 0x11, 0x00, 0xE1, 0x20, 0xF1, 0xF1, 0x00, 0x08, 0xF4 },
{ 0x16, 0x40, 0xBA, 0x11, 0x00, 0xF1, 0x20, 0x24, 0x31, 0x00, 0x08, 0xF4 },
{ 0x61, 0xA7, 0x72, 0x8E, 0x00, 0xE1, 0x9F, 0x50, 0x1A, 0x00, 0x02, 0xF4 },
{ 0x18, 0x4D, 0x32, 0x13, 0x00, 0xE1, 0x20, 0x51, 0xE3, 0x00, 0x08, 0xF4 },
{ 0x17, 0xC0, 0x12, 0x41, 0x00, 0x31, 0x9F, 0x13, 0x31, 0x00, 0x06, 0xF4 },
{ 0x03, 0x8F, 0xF5, 0x55, 0x00, 0x21, 0x9F, 0xF3, 0x33, 0x00, 0x00, 0xF4 },
{ 0x13, 0x4D, 0xFA, 0x11, 0x00, 0xE1, 0x20, 0xF1, 0xF1, 0x00, 0x08, 0xF4 },
{ 0x11, 0x43, 0x20, 0x15, 0x00, 0xF1, 0x20, 0x31, 0xF8, 0x00, 0x08, 0xF4 },
{ 0x11, 0x03, 0x82, 0x97, 0x00, 0xE4, 0x60, 0xF0, 0xF2, 0x00, 0x08, 0xF4 },
{ 0x05, 0x40, 0xD1, 0x53, 0x00, 0x14, 0x1F, 0x51, 0x71, 0x00, 0x06, 0xF4 },
{ 0xF1, 0x01, 0x77, 0x17, 0x00, 0x21, 0x1F, 0x81, 0x18, 0x00, 0x02, 0xF4 },
{ 0xF1, 0x18, 0x32, 0x11, 0x00, 0xE1, 0x1F, 0xF1, 0x13, 0x00, 0x00, 0xF4 },
{ 0x73, 0x48, 0xF1, 0x53, 0x00, 0x71, 0x1F, 0xF1, 0x06, 0x00, 0x08, 0xF4 },
{ 0x71, 0x8D, 0x71, 0x11, 0x00, 0x61, 0x5F, 0x72, 0x15, 0x00, 0x06, 0xF4 },
{ 0xD7, 0x4F, 0xF2, 0x61, 0x00, 0xD2, 0x1F, 0xF1, 0xB2, 0x00, 0x08, 0xF4 },
{ 0x01, 0x11, 0xF0, 0xFF, 0x00, 0x01, 0x1F, 0xF0, 0xF8, 0x00, 0x0A, 0xF4 },
{ 0x31, 0x8B, 0x41, 0x11, 0x00, 0x61, 0x1F, 0x22, 0x13, 0x00, 0x06, 0xF4 },
{ 0x71, 0x1C, 0x71, 0x03, 0x00, 0x21, 0x1F, 0x64, 0x07, 0x00, 0x0E, 0xF4 },
{ 0x31, 0x8B, 0x41, 0x11, 0x00, 0x61, 0x1F, 0x32, 0x15, 0x00, 0x02, 0xF4 },
{ 0x71, 0x1C, 0xFD, 0x13, 0x00, 0x21, 0x1F, 0xE7, 0xD6, 0x00, 0x0E, 0xF4 },
{ 0x71, 0x1C, 0x51, 0x03, 0x00, 0x21, 0x1F, 0x54, 0x67, 0x00, 0x0E, 0xF4 },
{ 0x71, 0x1C, 0x51, 0x03, 0x00, 0x21, 0x1F, 0x54, 0x17, 0x00, 0x0E, 0xF4 },
{ 0x71, 0x1C, 0x54, 0x15, 0x00, 0x21, 0x1F, 0x53, 0x49, 0x00, 0x0E, 0xF4 },
{ 0x71, 0x56, 0x51, 0x03, 0x00, 0x61, 0x1F, 0x54, 0x17, 0x00, 0x0E, 0xF4 },
{ 0x71, 0x1C, 0x51, 0x03, 0x00, 0x21, 0x1F, 0x54, 0x17, 0x00, 0x0E, 0xF4 },
{ 0x02, 0x29, 0xF5, 0x75, 0x00, 0x01, 0x9F, 0xF2, 0xF3, 0x00, 0x00, 0xF4 },
{ 0x02, 0x29, 0xF0, 0x75, 0x00, 0x01, 0x9F, 0xF4, 0x33, 0x00, 0x00, 0xF4 },
{ 0x01, 0x49, 0xF1, 0x53, 0x00, 0x11, 0x1F, 0xF1, 0x74, 0x00, 0x06, 0xF4 },
{ 0x01, 0x89, 0xF1, 0x53, 0x00, 0x11, 0x1F, 0xF1, 0x74, 0x00, 0x06, 0xF4 },
{ 0x02, 0x89, 0xF1, 0x53, 0x00, 0x11, 0x1F, 0xF1, 0x74, 0x00, 0x06, 0xF4 },
{ 0x02, 0x80, 0xF1, 0x53, 0x00, 0x11, 0x1F, 0xF1, 0x74, 0x00, 0x06, 0xF4 },
{ 0x01, 0x40, 0xF1, 0x53, 0x00, 0x08, 0x5F, 0xF1, 0x53, 0x00, 0x00, 0xF4 },
{ 0x21, 0x15, 0xD3, 0x2C, 0x00, 0x21, 0x9F, 0xC3, 0x2C, 0x00, 0x0A, 0xF4 },
{ 0x01, 0x18, 0xD4, 0xF2, 0x00, 0x21, 0x9F, 0xC4, 0x8A, 0x00, 0x0A, 0xF4 },
{ 0x01, 0x4E, 0xF0, 0x7B, 0x00, 0x11, 0x1F, 0xF4, 0xC8, 0x00, 0x04, 0xF4 },
{ 0x01, 0x44, 0xF0, 0xAB, 0x00, 0x11, 0x1F, 0xF3, 0xAB, 0x00, 0x04, 0xF4 },
{ 0x53, 0x0E, 0xF4, 0xC8, 0x00, 0x11, 0x1F, 0xF1, 0xBB, 0x00, 0x04, 0xF4 },
{ 0x53, 0x0B, 0xF2, 0xC8, 0x00, 0x11, 0x1F, 0xF2, 0xC5, 0x00, 0x04, 0xF4 },
{ 0x21, 0x15, 0xB4, 0x4C, 0x00, 0x21, 0x1F, 0x94, 0xAC, 0x00, 0x0A, 0xF4 },
{ 0x21, 0x15, 0x94, 0x1C, 0x00, 0x21, 0x1F, 0x64, 0xAC, 0x00, 0x0A, 0xF4 },
{ 0x22, 0x1B, 0x97, 0x89, 0x00, 0xA2, 0x1F, 0x70, 0x07, 0x00, 0x0A, 0xF4 },
{ 0x21, 0x19, 0x77, 0xBF, 0x00, 0xA1, 0x9F, 0x60, 0x2A, 0x00, 0x06, 0xF4 },
{ 0xA1, 0x13, 0xD6, 0xAF, 0x00, 0xE2, 0x9F, 0x60, 0x2A, 0x00, 0x02, 0xF4 },
{ 0xA2, 0x1D, 0x95, 0x24, 0x00, 0xE2, 0x9F, 0x60, 0x2A, 0x00, 0x02, 0xF4 },
{ 0x32, 0x9A, 0x51, 0x19, 0x00, 0x61, 0x9F, 0x60, 0x39, 0x00, 0x0C, 0xF4 },
{ 0xA4, 0x12, 0xF4, 0x30, 0x00, 0xE2, 0x9F, 0x60, 0x2A, 0x00, 0x02, 0xF4 },
{ 0x21, 0x16, 0x63, 0x0E, 0x00, 0x21, 0x1F, 0x63, 0x0E, 0x00, 0x0C, 0xF4 },
{ 0x31, 0x16, 0x63, 0x0A, 0x00, 0x21, 0x1F, 0x63, 0x0B, 0x00, 0x0C, 0xF4 },
{ 0x21, 0x1B, 0x63, 0x0A, 0x00, 0x21, 0x1F, 0x63, 0x0B, 0x00, 0x0C, 0xF4 },
{ 0x20, 0x1B, 0x63, 0x0A, 0x00, 0x21, 0x1F, 0x63, 0x0B, 0x00, 0x0C, 0xF4 },
{ 0x32, 0x1C, 0x82, 0x18, 0x00, 0x61, 0x9F, 0x60, 0x07, 0x00, 0x0C, 0xF4 },
{ 0x32, 0x18, 0x61, 0x14, 0x00, 0xE1, 0x9F, 0x72, 0x16, 0x00, 0x0C, 0xF4 },
{ 0x31, 0xC0, 0x77, 0x17, 0x00, 0x22, 0x1F, 0x6B, 0x09, 0x00, 0x02, 0xF4 },
{ 0x71, 0xC3, 0x8E, 0x17, 0x00, 0x22, 0x24, 0x8B, 0x0E, 0x00, 0x02, 0xF4 },
{ 0x70, 0x8D, 0x6E, 0x17, 0x00, 0x22, 0x1F, 0x6B, 0x0E, 0x00, 0x02, 0xF4 },
{ 0x24, 0x4F, 0xF2, 0x06, 0x00, 0x31, 0x1F, 0x52, 0x06, 0x00, 0x0E, 0xF4 },
{ 0x31, 0x1B, 0x64, 0x07, 0x00, 0x61, 0x1F, 0xD0, 0x67, 0x00, 0x0E, 0xF4 },
{ 0x31, 0x1B, 0x61, 0x06, 0x00, 0x61, 0x1F, 0xD2, 0x36, 0x00, 0x0C, 0xF4 },
{ 0x31, 0x1F, 0x31, 0x06, 0x00, 0x61, 0x1F, 0x50, 0x36, 0x00, 0x0C, 0xF4 },
{ 0x31, 0x1F, 0x41, 0x06, 0x00, 0x61, 0x1F, 0xA0, 0x36, 0x00, 0x0C, 0xF4 },
{ 0x21, 0x9A, 0x53, 0x56, 0x00, 0x21, 0x9F, 0xA0, 0x16, 0x00, 0x0E, 0xF4 },
{ 0x21, 0x9A, 0x53, 0x56, 0x00, 0x21, 0x9F, 0xA0, 0x16, 0x00, 0x0E, 0xF4 },
{ 0x61, 0x19, 0x53, 0x58, 0x00, 0x21, 0x1F, 0xA0, 0x18, 0x00, 0x0C, 0xF4 },
{ 0x61, 0x19, 0x73, 0x57, 0x00, 0x21, 0x1F, 0xA0, 0x17, 0x00, 0x0C, 0xF4 },
{ 0x21, 0x1B, 0x71, 0xA6, 0x00, 0x21, 0x1F, 0xA1, 0x96, 0x00, 0x0E, 0xF4 },
{ 0x85, 0x91, 0xF5, 0x44, 0x00, 0xA1, 0x1F, 0xF0, 0x45, 0x00, 0x06, 0xF4 },
{ 0x07, 0x51, 0xF5, 0x33, 0x00, 0x61, 0x1F, 0xF0, 0x25, 0x00, 0x06, 0xF4 },
{ 0x13, 0x8C, 0xFF, 0x21, 0x00, 0x11, 0x9F, 0xFF, 0x03, 0x00, 0x0E, 0xF4 },
{ 0x38, 0x8C, 0xF3, 0x0D, 0x00, 0xB1, 0x5F, 0xF5, 0x33, 0x00, 0x0E, 0xF4 },
{ 0x87, 0x91, 0xF5, 0x55, 0x00, 0x22, 0x1F, 0xF0, 0x54, 0x00, 0x06, 0xF4 },
{ 0xB6, 0x4A, 0xB6, 0x32, 0x00, 0x11, 0x2B, 0xD1, 0x31, 0x00, 0x0E, 0xF4 },
{ 0x04, 0x00, 0xFE, 0xF0, 0x00, 0xC2, 0x1F, 0xF6, 0xB5, 0x00, 0x0E, 0xF4 },
{ 0x05, 0x4E, 0xDA, 0x15, 0x00, 0x01, 0x9F, 0xF0, 0x13, 0x00, 0x0A, 0xF4 },
{ 0x31, 0x44, 0xF2, 0x9A, 0x00, 0x32, 0x1F, 0xF0, 0x27, 0x00, 0x06, 0xF4 },
{ 0xB0, 0xC4, 0xA4, 0x02, 0x00, 0xD7, 0x9F, 0x40, 0x42, 0x00, 0x00, 0xF4 },
{ 0xCA, 0x84, 0xF0, 0xF0, 0x00, 0xCF, 0x1F, 0x59, 0x62, 0x00, 0x0C, 0xF4 },
{ 0x30, 0x35, 0xF5, 0xF0, 0x00, 0x35, 0x1F, 0xF0, 0x9B, 0x00, 0x02, 0xF4 },
{ 0x63, 0x0F, 0xF4, 0x04, 0x02, 0x6F, 0x1F, 0xF0, 0x43, 0x00, 0x06, 0xF4 },
{ 0x07, 0x40, 0x09, 0x53, 0x00, 0x05, 0x1F, 0xF6, 0x94, 0x00, 0x0E, 0xF4 },
{ 0x09, 0x4E, 0xDA, 0x25, 0x00, 0x01, 0x1F, 0xF1, 0x15, 0x00, 0x0A, 0xF4 },
{ 0x04, 0x00, 0xF3, 0xA0, 0x02, 0x04, 0x1F, 0xF8, 0x46, 0x00, 0x0E, 0xF4 },
{ 0x07, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x1F, 0x5C, 0xDC, 0x00, 0x0E, 0xF4 },
{ 0x1F, 0x1E, 0xE5, 0x5B, 0x00, 0x0F, 0x1F, 0x5D, 0xFA, 0x00, 0x0E, 0xF4 },
{ 0x11, 0x8A, 0xF1, 0x11, 0x00, 0x01, 0x5F, 0xF1, 0xB3, 0x00, 0x06, 0xF4 },
{ 0x00, 0x40, 0xD1, 0x53, 0x00, 0x00, 0x1F, 0xF2, 0x56, 0x00, 0x0E, 0xF4 },
{ 0x32, 0x44, 0xF8, 0xFF, 0x00, 0x11, 0x1F, 0xF5, 0x7F, 0x00, 0x0E, 0xF4 },
{ 0x00, 0x40, 0x09, 0x53, 0x00, 0x02, 0x1F, 0xF7, 0x94, 0x00, 0x0E, 0xF4 },
{ 0x11, 0x86, 0xF2, 0xA8, 0x00, 0x01, 0x9F, 0xA0, 0xA8, 0x00, 0x08, 0xF4 },
{ 0x00, 0x50, 0xF2, 0x70, 0x00, 0x13, 0x1F, 0xF2, 0x72, 0x00, 0x0E, 0xF4 },
{ 0xF0, 0x00, 0x11, 0x11, 0x00, 0xE0, 0xDF, 0x11, 0x11, 0x00, 0x0E, 0xF4 }
};
// hardcoded, dumped from ADHOM.DRV
uint16 adlib_FrequencyLookUpTable[SHERLOCK_ADLIB_NOTES_COUNT] = {
0x0158, 0x016C, 0x0182, 0x0199, 0x01B1, 0x01CB, 0x01E6, 0x0203, 0x0222, 0x0242,
0x0265, 0x0289, 0x0558, 0x056C, 0x0582, 0x0599, 0x05B1, 0x05CB, 0x05E6, 0x0603,
0x0622, 0x0642, 0x0665, 0x0689, 0x0958, 0x096C, 0x0982, 0x0999, 0x09B1, 0x09CB,
0x09E6, 0x0A03, 0x0A22, 0x0A42, 0x0A65, 0x0A89, 0x0D58, 0x0D6C, 0x0D82, 0x0D99,
0x0DB1, 0x0DCB, 0x0DE6, 0x0E03, 0x0E22, 0x0E42, 0x0E65, 0x0E89, 0x1158, 0x116C,
0x1182, 0x1199, 0x11B1, 0x11CB, 0x11E6, 0x1203, 0x1222, 0x1242, 0x1265, 0x1289,
0x1558, 0x156C, 0x1582, 0x1599, 0x15B1, 0x15CB, 0x15E6, 0x1603, 0x1622, 0x1642,
0x1665, 0x1689, 0x1958, 0x196C, 0x1982, 0x1999, 0x19B1, 0x19CB, 0x19E6, 0x1A03,
0x1A22, 0x1A42, 0x1A65, 0x1A89, 0x1D58, 0x1D6C, 0x1D82, 0x1D99, 0x1DB1, 0x1DCB,
0x1DE6, 0x1E03, 0x1E22, 0x1E42, 0x1E65, 0x1E89
};
class MidiDriver_AdLib : public MidiDriver_Emulated {
public:
MidiDriver_AdLib(Audio::Mixer *mixer)
: MidiDriver_Emulated(mixer), _masterVolume(15), _opl(0) {
memset(_voiceChannelMapping, 0, sizeof(_voiceChannelMapping));
}
virtual ~MidiDriver_AdLib() { }
// MidiDriver
int open();
void close();
void send(uint32 b);
MidiChannel *allocateChannel() { return NULL; }
MidiChannel *getPercussionChannel() { return NULL; }
// AudioStream
bool isStereo() const { return false; }
int getRate() const { return _mixer->getOutputRate(); }
int getPolyphony() const { return SHERLOCK_ADLIB_VOICES_COUNT; }
bool hasRhythmChannel() const { return false; }
// MidiDriver_Emulated
void generateSamples(int16 *buf, int len);
void setVolume(byte volume);
virtual uint32 property(int prop, uint32 param);
void newMusicData(byte *musicData, int32 musicDataSize);
private:
struct adlib_ChannelEntry {
bool inUse;
uint16 inUseTimer;
const adlib_InstrumentEntry *currentInstrumentPtr;
byte currentNote;
byte currentA0hReg;
byte currentB0hReg;
adlib_ChannelEntry() : inUse(false), inUseTimer(0), currentInstrumentPtr(NULL), currentNote(0),
currentA0hReg(0), currentB0hReg(0) { }
};
OPL::OPL *_opl;
int _masterVolume;
// points to a MIDI channel for each of the new voice channels
byte _voiceChannelMapping[SHERLOCK_ADLIB_VOICES_COUNT];
// stores information about all FM voice channels
adlib_ChannelEntry _channels[SHERLOCK_ADLIB_VOICES_COUNT];
protected:
void onTimer();
private:
void resetAdLib();
void resetAdLib_OperatorRegisters(byte baseRegister, byte value);
void resetAdLib_FMVoiceChannelRegisters(byte baseRegister, byte value);
void programChange(byte MIDIchannel, byte parameter);
void setRegister(int reg, int value);
void noteOn(byte MIDIchannel, byte note, byte velocity);
void noteOff(byte MIDIchannel, byte note);
void voiceOnOff(byte FMVoiceChannel, bool KeyOn, byte note, byte velocity);
void pitchBendChange(byte MIDIchannel, byte parameter1, byte parameter2);
};
int MidiDriver_AdLib::open() {
int rate = _mixer->getOutputRate();
debugC(kDebugLevelAdLibDriver, "AdLib: starting driver");
_opl = OPL::Config::create(OPL::Config::kOpl2);
if (!_opl)
return -1;
_opl->init(rate);
MidiDriver_Emulated::open();
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_mixerSoundHandle, this, -1, _mixer->kMaxChannelVolume, 0, DisposeAfterUse::NO);
return 0;
}
void MidiDriver_AdLib::close() {
_mixer->stopHandle(_mixerSoundHandle);
delete _opl;
}
void MidiDriver_AdLib::setVolume(byte volume) {
_masterVolume = volume;
//renewNotes(-1, true);
}
// this should/must get called per tick
// original driver did this before MIDI data processing on each tick
// we do it atm after MIDI data processing
void MidiDriver_AdLib::onTimer() {
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_channels[FMvoiceChannel].inUse) {
_channels[FMvoiceChannel].inUseTimer++;
}
}
}
// Called when a music track got loaded into memory
void MidiDriver_AdLib::newMusicData(byte *musicData, int32 musicDataSize) {
assert(musicDataSize >= 0x7F);
// MIDI Channel <-> FM Voice Channel mapping at offset 0x22 of music data
memcpy(&_voiceChannelMapping, musicData + 0x22, 9);
// reset OPL
resetAdLib();
// reset current channel data
memset(&_channels, 0, sizeof(_channels));
}
void MidiDriver_AdLib::resetAdLib() {
setRegister(0x01, 0x20); // enable waveform control on both operators
setRegister(0x04, 0xE0); // Timer control
setRegister(0x08, 0); // select FM music mode
setRegister(0xBD, 0); // disable Rhythm
// reset FM voice instrument data
resetAdLib_OperatorRegisters(0x20, 0);
resetAdLib_OperatorRegisters(0x60, 0);
resetAdLib_OperatorRegisters(0x80, 0);
resetAdLib_FMVoiceChannelRegisters(0xA0, 0);
resetAdLib_FMVoiceChannelRegisters(0xB0, 0);
resetAdLib_FMVoiceChannelRegisters(0xC0, 0);
resetAdLib_OperatorRegisters(0xE0, 0);
resetAdLib_OperatorRegisters(0x40, 0x3F);
}
void MidiDriver_AdLib::resetAdLib_OperatorRegisters(byte baseRegister, byte value) {
byte operatorIndex;
for (operatorIndex = 0; operatorIndex < 0x16; operatorIndex++) {
switch (operatorIndex) {
case 0x06:
case 0x07:
case 0x0E:
case 0x0F:
break;
default:
setRegister(baseRegister + operatorIndex, value);
}
}
}
void MidiDriver_AdLib::resetAdLib_FMVoiceChannelRegisters(byte baseRegister, byte value) {
byte FMvoiceChannel;
for (FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
setRegister(baseRegister + FMvoiceChannel, value);
}
}
// MIDI messages can be found at http://www.midi.org/techspecs/midimessages.php
void MidiDriver_AdLib::send(uint32 b) {
byte command = b & 0xf0;
byte channel = b & 0xf;
byte op1 = (b >> 8) & 0xff;
byte op2 = (b >> 16) & 0xff;
switch (command) {
case 0x80:
noteOff(channel, op1);
break;
case 0x90:
noteOn(channel, op1, op2);
break;
case 0xb0: // Control change
// Doesn't seem to be implemented in the Sherlock Holmes adlib driver
break;
case 0xc0: // Program Change
programChange(channel, op1);
break;
case 0xa0: // Polyphonic key pressure (aftertouch)
case 0xd0: // Channel pressure (aftertouch)
// Aftertouch doesn't seem to be implemented in the Sherlock Holmes adlib driver
break;
case 0xe0:
debugC(kDebugLevelAdLibDriver, "AdLib: pitch bend change");
pitchBendChange(channel, op1, op2);
break;
case 0xf0: // SysEx
warning("ADLIB: SysEx: %x", b);
break;
default:
warning("ADLIB: Unknown event %02x", command);
}
}
void MidiDriver_AdLib::generateSamples(int16 *data, int len) {
_opl->readBuffer(data, len);
}
void MidiDriver_AdLib::noteOn(byte MIDIchannel, byte note, byte velocity) {
int16 oldestInUseChannel = -1;
uint16 oldestInUseTimer = 0;
if (velocity == 0)
return noteOff(MIDIchannel, note);
if (MIDIchannel != 9) {
// Not Percussion
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_voiceChannelMapping[FMvoiceChannel] == MIDIchannel) {
if (!_channels[FMvoiceChannel].inUse) {
_channels[FMvoiceChannel].inUse = true;
_channels[FMvoiceChannel].currentNote = note;
voiceOnOff(FMvoiceChannel, true, note, velocity);
return;
}
}
}
// Look for oldest in-use channel
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_voiceChannelMapping[FMvoiceChannel] == MIDIchannel) {
if (_channels[FMvoiceChannel].inUseTimer > oldestInUseTimer) {
oldestInUseTimer = _channels[FMvoiceChannel].inUseTimer;
oldestInUseChannel = FMvoiceChannel;
}
}
}
if (oldestInUseChannel >= 0) {
// channel found
debugC(kDebugLevelAdLibDriver, "AdLib: used In-Use channel");
// original driver used note 0, we use the current note
// because using note 0 could create a bad note (out of index) and we check that. Original driver didn't.
voiceOnOff(oldestInUseChannel, false, _channels[oldestInUseChannel].currentNote, 0);
_channels[oldestInUseChannel].inUse = true;
_channels[oldestInUseChannel].inUseTimer = 0; // safety, original driver also did this
_channels[oldestInUseChannel].currentNote = note;
voiceOnOff(oldestInUseChannel, true, note, velocity);
return;
}
debugC(kDebugLevelAdLibDriver, "AdLib: MIDI channel not mapped/all FM voice channels busy %d", MIDIchannel);
} else {
// Percussion channel
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_voiceChannelMapping[FMvoiceChannel] == MIDIchannel) {
if (note == adlib_percussionChannelTable[FMvoiceChannel].requiredNote) {
_channels[FMvoiceChannel].inUse = true;
_channels[FMvoiceChannel].currentNote = note;
voiceOnOff(FMvoiceChannel, true, adlib_percussionChannelTable[FMvoiceChannel].replacementNote, velocity);
return;
}
}
}
debugC(kDebugLevelAdLibDriver, "AdLib: percussion MIDI channel not mapped/all FM voice channels busy");
}
}
void MidiDriver_AdLib::noteOff(byte MIDIchannel, byte note) {
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_voiceChannelMapping[FMvoiceChannel] == MIDIchannel) {
if (_channels[FMvoiceChannel].currentNote == note) {
_channels[FMvoiceChannel].inUse = false;
_channels[FMvoiceChannel].inUseTimer = 0;
_channels[FMvoiceChannel].currentNote = 0;
if (MIDIchannel != 9) {
// not-percussion
voiceOnOff(FMvoiceChannel, false, note, 0);
} else {
voiceOnOff(FMvoiceChannel, false, adlib_percussionChannelTable[FMvoiceChannel].replacementNote, 0);
}
return;
}
}
}
}
void MidiDriver_AdLib::voiceOnOff(byte FMvoiceChannel, bool keyOn, byte note, byte velocity) {
byte frequencyOffset = 0;
uint16 frequency = 0;
byte op2RegAdjust = 0;
byte regValue40h = 0;
byte regValueA0h = 0;
byte regValueB0h = 0;
// Look up frequency
if (_channels[FMvoiceChannel].currentInstrumentPtr) {
frequencyOffset = note + _channels[FMvoiceChannel].currentInstrumentPtr->frequencyAdjust;
} else {
frequencyOffset = note;
}
if (frequencyOffset >= SHERLOCK_ADLIB_NOTES_COUNT) {
warning("CRITICAL - AdLib driver: bad note!!!");
return;
}
frequency = adlib_FrequencyLookUpTable[frequencyOffset];
if (keyOn) {
// adjust register 40h
if (_channels[FMvoiceChannel].currentInstrumentPtr) {
regValue40h = _channels[FMvoiceChannel].currentInstrumentPtr->reg40op2;
}
regValue40h = regValue40h - (velocity >> 3);
op2RegAdjust = adlib_Operator2Register[FMvoiceChannel];
setRegister(0x40 + op2RegAdjust, regValue40h);
}
regValueA0h = frequency & 0xFF;
regValueB0h = frequency >> 8;
if (keyOn) {
regValueB0h |= 0x20; // set Key-On flag
}
setRegister(0xA0 + FMvoiceChannel, regValueA0h);
setRegister(0xB0 + FMvoiceChannel, regValueB0h);
_channels[FMvoiceChannel].currentA0hReg = regValueA0h;
_channels[FMvoiceChannel].currentB0hReg = regValueB0h;
}
void MidiDriver_AdLib::pitchBendChange(byte MIDIchannel, byte parameter1, byte parameter2) {
uint16 channelFrequency = 0;
byte channelRegB0hWithoutFrequency = 0;
uint16 parameter = 0;
byte regValueA0h = 0;
byte regValueB0h = 0;
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_voiceChannelMapping[FMvoiceChannel] == MIDIchannel) {
if (_channels[FMvoiceChannel].inUse) {
// FM voice channel found and it's currently in use -> apply pitch bend change
// Remove frequency bits from current channel B0h-register
channelFrequency = ((_channels[FMvoiceChannel].currentB0hReg << 8) | (_channels[FMvoiceChannel].currentA0hReg)) & 0x3FF;
channelRegB0hWithoutFrequency = _channels[FMvoiceChannel].currentB0hReg & 0xFC;
if (parameter2 < 0x40) {
channelFrequency = channelFrequency / 2;
} else {
parameter2 = parameter2 - 0x40;
}
parameter1 = parameter1 * 2;
parameter = parameter1 | (parameter2 << 8);
parameter = parameter * 4;
parameter = (parameter >> 8) + 0xFF;
channelFrequency = channelFrequency * parameter;
channelFrequency = (channelFrequency >> 8) | (parameter << 8);
regValueA0h = channelFrequency & 0xFF;
regValueB0h = (channelFrequency >> 8) | channelRegB0hWithoutFrequency;
setRegister(0xA0 + FMvoiceChannel, regValueA0h);
setRegister(0xB0 + FMvoiceChannel, regValueB0h);
}
}
}
}
void MidiDriver_AdLib::programChange(byte MIDIchannel, byte op1) {
const adlib_InstrumentEntry *instrumentPtr;
byte op1Reg = 0;
byte op2Reg = 0;
// setup instrument
instrumentPtr = &adlib_instrumentTable[op1];
//warning("program change for MIDI channel %d, instrument id %d", MIDIchannel, op1);
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_voiceChannelMapping[FMvoiceChannel] == MIDIchannel) {
op1Reg = adlib_Operator1Register[FMvoiceChannel];
op2Reg = adlib_Operator2Register[FMvoiceChannel];
setRegister(0x20 + op1Reg, instrumentPtr->reg20op1);
setRegister(0x40 + op1Reg, instrumentPtr->reg40op1);
setRegister(0x60 + op1Reg, instrumentPtr->reg60op1);
setRegister(0x80 + op1Reg, instrumentPtr->reg80op1);
setRegister(0xE0 + op1Reg, instrumentPtr->regE0op1);
setRegister(0x20 + op2Reg, instrumentPtr->reg20op2);
setRegister(0x40 + op2Reg, instrumentPtr->reg40op2);
setRegister(0x60 + op2Reg, instrumentPtr->reg60op2);
setRegister(0x80 + op2Reg, instrumentPtr->reg80op2);
setRegister(0xE0 + op2Reg, instrumentPtr->regE0op2);
setRegister(0xC0 + FMvoiceChannel, instrumentPtr->regC0);
// Remember instrument
_channels[FMvoiceChannel].currentInstrumentPtr = instrumentPtr;
}
}
}
void MidiDriver_AdLib::setRegister(int reg, int value) {
_opl->write(0x220, reg);
_opl->write(0x221, value);
}
uint32 MidiDriver_AdLib::property(int prop, uint32 param) {
return 0;
}
MidiDriver *MidiDriver_AdLib_create() {
return new MidiDriver_AdLib(g_system->getMixer());
}
void MidiDriver_AdLib_newMusicData(MidiDriver *driver, byte *musicData, int32 musicDataSize) {
static_cast<MidiDriver_AdLib *>(driver)->newMusicData(musicData, musicDataSize);
}
} // End of namespace Sci
|
