/
ad_sound.cpp
517 lines (414 loc) · 19.5 KB
/
ad_sound.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
// license:BSD-3-Clause
// copyright-holders:Acho A. Tang, Nicola Salmoria
/***************************************************************************
Functions to emulate the Alpha Denshi "59MC07" audio board
|----------------------|
| Fully boxed = socket |
|----------------------|
| separation = solder
-----------------------------------------------------------------------|
|ALPHA DENSHI CO, LTD. SOUND BOARD NO.59MC07 |
| |
| |--------------------| |
| P | \/ | JAPAN 84250C | SN74LS232J | SN74LS74AN | DISSIPATOR |
| | /\ | M5l8085AP | 8131BJ | 8314A | |
| |--------------------| |
| |
| N | SN74LS74A |
| | 8122AG |
| |
| |------------| |
| M | HV1VR OKI | SN74LS138J | SN74LS74AJ | LM324N | LM324N |
| | 2764-45 | 8044AG | F8048 | J423A2 | 98509 |- (+12V)
| |------------| |
| |- (+5V)
| |------------| |
| L | HV2VR OKI | T74LS14B1 | SN74LS08N |- (OUT)
| | 2764-45 | 88442 | K8208 |
| |------------| |- (
| | (GND)
| |------------| |- (
| K | HV3VR OKI | SN74LS08J | SN74LS04N | LM324N |
| | 2764-45 | K8208 | I8313 | 98509 |
| |------------| |
| |
| J | SN74LS74A | SN74LS232J | | LM324N |
| | 8122AG | 8131BG | | 436A |
| |
| |------------| |------------| |
| H | HV4VR OKI | SN74LS393N | TBP18S030N | | LM324N |
| | 2764-45 | K8208 | J419X | | 436A |
| |------------| |------------| |
| |
| F | SN74LS138J | HCF40174BE | | CD4066BCN |
| | 8044AG | MSM40174 | | MM5666BN |
| |
| E | M74LS123P | SN74LS138J | CD4066BCN | CD4066BCN |
| | 84A6C1 | 8044AG | MM5666BN | MM5666BN |
| MUSIC |
| |-------------------------| |
| D | SN74LS373N | JAPAN 841903 | | CD4066BCN |
| | 2764-45 | M5L8155P | | MM5666BN |
| |-------------------------| VOICE |
| |
|C |-------------------------| |
|O C | 74LS173 PC | MSM5232RS | |
|N | 8247 | OKI 4342 | |
|N |-------------------------| |
| |
|T B |
|O |
| |-------------------------| |
|M A | 74LS173 PC | SOUND AY-3-8910 | CD4066BCN | CD4066BCN |
|A | 8247 | 8046 CDA | MM5666BN | MM5666BN |
|I |-------------------------| |
|N |
| | 1 | 2 | 3 | 4 | 5 |
-----------------------------------------------------------------------|
***************************************************************************/
#include "emu.h"
#include "ad_sound.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "speaker.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(AD_59MC07, ad_59mc07_device, "ad_59mc07", "Alpha Denshi 59MC07 sound board")
//**************************************************************************
// MEMORY MAPS
//**************************************************************************
void ad_59mc07_device::sound_map(address_map &map)
{
map(0x0000, 0xbfff).rom();
map(0xc000, 0xc000).r(m_soundlatch, FUNC(generic_latch_8_device::read));
map(0xc080, 0xc08d).w(m_msm, FUNC(msm5232_device::write));
map(0xc0a0, 0xc0a1).w("aysnd", FUNC(ay8910_device::data_address_w));
map(0xc0b0, 0xc0b0).nopw(); // n.c.
map(0xc0c0, 0xc0c0).w(FUNC(ad_59mc07_device::cymbal_ctrl_w));
map(0xc0d0, 0xc0d0).w(FUNC(ad_59mc07_device::dac_latch_w)); // followed by 1 (and usually 0) on 8155 port B
map(0xc0e0, 0xc0e0).w(FUNC(ad_59mc07_device::dac_latch_w)); // followed by 2 (and usually 0) on 8155 port B
map(0xc0f8, 0xc0ff).w(FUNC(ad_59mc07_device::c0f8_w));
map(0xe000, 0xe0ff).rw(m_audio8155, FUNC(i8155_device::memory_r), FUNC(i8155_device::memory_w));
}
void ad_59mc07_device::sound_portmap(address_map &map)
{
map(0x00e0, 0x00e7).rw(m_audio8155, FUNC(i8155_device::io_r), FUNC(i8155_device::io_w));
}
//**************************************************************************
// SPECIFIC IMPLEMENTATION
//**************************************************************************
//-------------------------------------------------
// ad_59mc07_device: Constructor
//-------------------------------------------------
ad_59mc07_device::ad_59mc07_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
device_t(mconfig, AD_59MC07, tag, owner, clock),
m_audiocpu(*this, "audiocpu"),
m_audio8155(*this, "audio8155"),
m_samples(*this, "samples"),
m_msm(*this, "msm"),
m_dac_1(*this, "dac1"),
m_dac_2(*this, "dac2"),
m_soundlatch(*this, "soundlatch"),
m_frq_adjuster(*this, ":FRQ") // TODO: this should be moved here, but I don't think it's possible to set the default per-game value with a variable
{ }
// MSM5232 clock is generated by a transistor oscillator circuit, not by the pcb xtal
// The circuit is controlled by a pot to allow adjusting the frequency. All games
// have been hand-tuned to a recording claiming to be an original recording from the
// boards. You can adjust this in the Slider Controls while using -cheat if needed.
#define MSM5232_MAX_CLOCK 6144000
#define MSM5232_MIN_CLOCK 214000 // unstable
/******************************************************************************/
// Sound
void ad_59mc07_device::i8155_timer_pulse(int state)
{
if (!state)
m_audiocpu->set_input_line(I8085_TRAP_LINE, ASSERT_LINE);
}
TIMER_CALLBACK_MEMBER(ad_59mc07_device::frq_adjuster_callback)
{
uint8_t frq = m_frq_adjuster->read();
m_msm->set_clock(MSM5232_MIN_CLOCK + frq * (MSM5232_MAX_CLOCK - MSM5232_MIN_CLOCK) / 100);
//popmessage("8155: C %02x A %02x AY: A %02x B %02x Unk:%x", m_8155_port_c, m_8155_port_a, m_ay_port_a, m_ay_port_b, m_cymbal_ctrl & 15);
m_cymvol *= 0.94f;
m_hihatvol *= 0.94f;
m_msm->set_output_gain(10, m_hihatvol + m_cymvol * (m_ay_port_b & 3) * 0.33f); /* NO from msm5232 */
}
void ad_59mc07_device::c0f8_w(offs_t offset, uint8_t data)
{
switch (offset)
{
case 0: // c0f8: NMI ack (written by NMI handler)
m_audiocpu->set_input_line(I8085_TRAP_LINE, CLEAR_LINE);
break;
case 1: // c0f9: RST75 trigger (written by NMI handler)
// Note: solder pad CP3 on the pcb would allow to disable this
m_audiocpu->pulse_input_line(I8085_RST75_LINE, attotime::zero);
break;
case 2: // c0fa: INTR trigger (written by NMI handler)
// verified on PCB:
m_audiocpu->set_input_line(I8085_INTR_LINE, HOLD_LINE);
break;
case 3: // c0fb: n.c.
// Note: this is written at end of the INTR handler, however LS138@E3 pin 12 is definitely unconnected
break;
case 4: // c0fc: increment PROM address (written by NMI handler)
m_sound_prom_address = (m_sound_prom_address + 1) & 0x1f;
// at this point, the 5-bit value
// goes to an op-amp and to the base of a transistor. The transistor is part
// of a resonator that is used to generate the M5232 clock. The PROM doesn't
// actually seem to be important, since even removing it the M5232 clock
// continues to come out normally.
break;
case 5: // c0fd: n.c.
// Note: this is written at end of the RST75 handler, however LS138@E3 pin 10 is definitely unconnected
break;
case 6: // c0fe: 4-bit answer for main CPU (unused)
// Note: this would go to the LS173@B1, which is however unpopulated on the pcb
break;
case 7: // c0ff: sound command latch clear
// Note: solder pad CP1 on the pcb would allow to disable this
m_soundlatch->clear_w();
break;
}
}
void ad_59mc07_device::ay8910_porta_w(uint8_t data)
{
// bongo 1
m_samples->set_volume(0, ((data & 0x30) >> 4) * 0.33);
if (data & ~m_ay_port_a & 0x80)
m_samples->start(0, 0);
// bongo 2
m_samples->set_volume(1, (data & 0x03) * 0.33);
if (data & ~m_ay_port_a & 0x08)
m_samples->start(1, 1);
m_ay_port_a = data;
}
void ad_59mc07_device::ay8910_portb_w(uint8_t data)
{
// bongo 3
m_samples->set_volume(2, ((data & 0x30)>>4) * 0.33);
if (data & ~m_ay_port_b & 0x80)
m_samples->start(2, 2);
// FIXME I'm just enabling the MSM5232 Noise Output for now. Proper emulation
// of the analog circuitry should be done instead.
// if (data & ~m_ay_port_b & 0x08) cymbal hit trigger
// if (data & ~m_ay_port_b & 0x04) hi-hat hit trigger
// data & 3 cymbal volume
// data & 0x40 hi-hat enable
if (data & ~m_ay_port_b & 0x08)
m_cymvol = 1.0f;
if (data & ~m_ay_port_b & 0x04)
m_hihatvol = 0.8f;
if (~data & 0x40)
m_hihatvol = 0.0f;
m_ay_port_b = data;
}
void ad_59mc07_device::cymbal_ctrl_w(uint8_t data)
{
m_cymbal_ctrl++;
}
void ad_59mc07_device::update_dac()
{
// there is only one latch, which is used to drive two DAC channels.
// When the channel is enabled in the 4066, it goes to a series of
// low-pass filters. The channel is kept enabled only for a short time,
// then it's disabled again.
// Note that PB0 goes through three filters while PB1 only goes through one.
if (m_8155_port_b & 1)
m_dac_1->write(m_dac_latch);
if (m_8155_port_b & 2)
m_dac_2->write(m_dac_latch);
}
void ad_59mc07_device::dac_latch_w(uint8_t data)
{
m_dac_latch = data;
update_dac();
}
void ad_59mc07_device::i8155_porta_w(uint8_t data)
{
m_8155_port_a = data;
m_msm->set_output_gain(0, (data >> 4) / 15.0); // group1 from msm5232
m_msm->set_output_gain(1, (data >> 4) / 15.0); // group1 from msm5232
m_msm->set_output_gain(2, (data >> 4) / 15.0); // group1 from msm5232
m_msm->set_output_gain(3, (data >> 4) / 15.0); // group1 from msm5232
m_msm->set_output_gain(4, (data & 0x0f) / 15.0); // group2 from msm5232
m_msm->set_output_gain(5, (data & 0x0f) / 15.0); // group2 from msm5232
m_msm->set_output_gain(6, (data & 0x0f) / 15.0); // group2 from msm5232
m_msm->set_output_gain(7, (data & 0x0f) / 15.0); // group2 from msm5232
}
void ad_59mc07_device::i8155_portb_w(uint8_t data)
{
m_8155_port_b = data;
update_dac();
}
void ad_59mc07_device::i8155_portc_w(uint8_t data)
{
m_8155_port_c = data;
m_msm->set_output_gain(8, (data & 0x0f) / 15.0); // SOLO 8' from msm5232
if (data & 0x20)
m_msm->set_output_gain(9, (data & 0x0f) / 15.0); // SOLO 16' from msm5232
else
m_msm->set_output_gain(9, 0); // SOLO 16' from msm5232
}
void ad_59mc07_device::msm5232_gate(int state)
{
}
static const char *const alphamc07_sample_names[] =
{
"*equites",
"bongo1",
"bongo2",
"bongo3",
nullptr
};
#define MSM5232_BASE_VOLUME 0.7
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void ad_59mc07_device::device_add_mconfig(machine_config &config)
{
I8085A(config, m_audiocpu, 6.144_MHz_XTAL); // verified on pcb
m_audiocpu->set_addrmap(AS_PROGRAM, &ad_59mc07_device::sound_map);
m_audiocpu->set_addrmap(AS_IO, &ad_59mc07_device::sound_portmap);
m_audiocpu->set_clk_out(m_audio8155, FUNC(i8155_device::set_unscaled_clock_int));
I8155(config, m_audio8155, 0);
m_audio8155->out_pa_callback().set(FUNC(ad_59mc07_device::i8155_porta_w));
m_audio8155->out_pb_callback().set(FUNC(ad_59mc07_device::i8155_portb_w));
m_audio8155->out_pc_callback().set(FUNC(ad_59mc07_device::i8155_portc_w));
m_audio8155->out_to_callback().set(FUNC(ad_59mc07_device::i8155_timer_pulse));
// sound hardware
SPEAKER(config, "speaker").front_center();
GENERIC_LATCH_8(config, m_soundlatch);
MSM5232(config, m_msm, MSM5232_MAX_CLOCK); // will be adjusted at runtime through PORT_ADJUSTER
m_msm->set_capacitors(0.47e-6, 0.47e-6, 0.47e-6, 0.47e-6, 0.47e-6, 0.47e-6, 0.47e-6, 0.47e-6); // verified
m_msm->gate().set(FUNC(ad_59mc07_device::msm5232_gate));
m_msm->add_route(0, "speaker", MSM5232_BASE_VOLUME/2.2); // pin 28 2'-1 : 22k resistor
m_msm->add_route(1, "speaker", MSM5232_BASE_VOLUME/1.5); // pin 29 4'-1 : 15k resistor
m_msm->add_route(2, "speaker", MSM5232_BASE_VOLUME); // pin 30 8'-1 : 10k resistor
m_msm->add_route(3, "speaker", MSM5232_BASE_VOLUME); // pin 31 16'-1 : 10k resistor
m_msm->add_route(4, "speaker", MSM5232_BASE_VOLUME/2.2); // pin 36 2'-2 : 22k resistor
m_msm->add_route(5, "speaker", MSM5232_BASE_VOLUME/1.5); // pin 35 4'-2 : 15k resistor
m_msm->add_route(6, "speaker", MSM5232_BASE_VOLUME); // pin 34 8'-2 : 10k resistor
m_msm->add_route(7, "speaker", MSM5232_BASE_VOLUME); // pin 33 16'-2 : 10k resistor
m_msm->add_route(8, "speaker", 0.7); // pin 1 SOLO 8' (this actually feeds an analog section)
m_msm->add_route(9, "speaker", 0.7); // pin 2 SOLO 16' (this actually feeds an analog section)
m_msm->add_route(10,"speaker", 0.084); // pin 22 Noise Output (this actually feeds an analog section)
ay8910_device &aysnd(AY8910(config, "aysnd", 6.144_MHz_XTAL/4)); // verified on pcb
aysnd.port_a_write_callback().set(FUNC(ad_59mc07_device::ay8910_porta_w));
aysnd.port_b_write_callback().set(FUNC(ad_59mc07_device::ay8910_portb_w));
aysnd.add_route(ALL_OUTPUTS, "speaker", 0.105);
DAC_6BIT_R2R(config, m_dac_1, 0).add_route(ALL_OUTPUTS, "speaker", 0.35); // unknown DAC
DAC_6BIT_R2R(config, m_dac_2, 0).add_route(ALL_OUTPUTS, "speaker", 0.35); // unknown DAC
SAMPLES(config, m_samples);
m_samples->set_channels(3);
m_samples->set_samples_names(alphamc07_sample_names);
m_samples->add_route(ALL_OUTPUTS, "speaker", 0.21);
}
//-------------------------------------------------
// device_start: Start up the device
//-------------------------------------------------
void ad_59mc07_device::device_start()
{
// zerofill
m_sound_prom_address = 0;
m_dac_latch = 0;
m_8155_port_b = 0;
m_8155_port_a = 0;
m_8155_port_c = 0;
m_ay_port_a = 0;
m_ay_port_b = 0;
m_cymbal_ctrl = 0;
m_cymvol = 0.0;
m_hihatvol = 0.0;
// register for savestates
save_item(NAME(m_sound_prom_address));
save_item(NAME(m_dac_latch));
save_item(NAME(m_8155_port_b));
save_item(NAME(m_8155_port_a));
save_item(NAME(m_8155_port_c));
save_item(NAME(m_ay_port_a));
save_item(NAME(m_ay_port_b));
save_item(NAME(m_cymbal_ctrl));
save_item(NAME(m_cymvol));
save_item(NAME(m_hihatvol));
m_adjuster_timer = timer_alloc(FUNC(ad_59mc07_device::frq_adjuster_callback), this);
m_adjuster_timer->adjust(attotime::from_hz(60), 0, attotime::from_hz(60));
}
//-------------------------------------------------
// device_reset: Reset the device
//-------------------------------------------------
void ad_59mc07_device::device_reset()
{
m_audiocpu->set_input_line(I8085_INTR_LINE, CLEAR_LINE);
m_audiocpu->set_input_line(I8085_TRAP_LINE, CLEAR_LINE);
}
/*
Functions to emulate the Alpha Denshi "60MC01" audio board
CPU : Z80A
Sound: AY-3-8910A (unpopulated: another 8910 and a YM2203)
OSC : 16.000MHz
TODO: This bears a lot of similarities with the Super Stingray audio board. Verify if PCB codes match and if so merge implementations;
fix interrupts;
is there really no music?
*/
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(AD_60MC01, ad_60mc01_device, "ad_60mc01", "Alpha Denshi 60MC01 sound board")
//**************************************************************************
// MEMORY MAPS
//**************************************************************************
void ad_60mc01_device::sound_map(address_map &map)
{
map(0x0000, 0x1fff).rom();
map(0x8000, 0x87ff).ram();
map(0xc100, 0xc100).r(m_soundlatch, FUNC(generic_latch_8_device::read));
map(0xc102, 0xc102).w(m_soundlatch, FUNC(generic_latch_8_device::clear_w));
map(0xc104, 0xc104).nopw(); // written at start up, would be DAC if it were populated
map(0xc106, 0xc10e).nopw(); // written continuously, it's audio board I/O according to Super Stingray's emulation
}
void ad_60mc01_device::sound_portmap(address_map &map)
{
map.global_mask(0xff);
map(0x10, 0x11).nopw(); // written at start up, would be the YM2203 if it were populated
map(0x80, 0x81).w("aysnd", FUNC(ay8910_device::data_address_w));
}
//**************************************************************************
// SPECIFIC IMPLEMENTATION
//**************************************************************************
//-------------------------------------------------
// ad_60mc01_device: Constructor
//-------------------------------------------------
ad_60mc01_device::ad_60mc01_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
device_t(mconfig, AD_60MC01, tag, owner, clock),
m_audiocpu(*this, "audiocpu"),
m_soundlatch(*this, "soundlatch")
{ }
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void ad_60mc01_device::device_add_mconfig(machine_config &config)
{
Z80(config, m_audiocpu, 16_MHz_XTAL / 4); // divider not verified
m_audiocpu->set_addrmap(AS_PROGRAM, &ad_60mc01_device::sound_map);
m_audiocpu->set_addrmap(AS_IO, &ad_60mc01_device::sound_portmap);
m_audiocpu->set_periodic_int(FUNC(ad_60mc01_device::sound_irq), attotime::from_hz(128));
// sound hardware
SPEAKER(config, "speaker").front_center();
GENERIC_LATCH_8(config, m_soundlatch);
ay8910_device &aysnd(AY8910(config, "aysnd", 16_MHz_XTAL / 8)); // divider not verified
aysnd.add_route(ALL_OUTPUTS, "speaker", 0.50);
}
//-------------------------------------------------
// device_start: Start up the device
//-------------------------------------------------
void ad_60mc01_device::device_start()
{
}
//-------------------------------------------------
// device_reset: Reset the device
//-------------------------------------------------
void ad_60mc01_device::device_reset()
{
}