blob: 98a1d52a39ffb6080b1ddfd12e947c5e8ffdeaed (
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
|
// license:LGPL-2.1+
// copyright-holders:David Haywood, Angelo Salese, ElSemi
#ifndef MAME_SOUND_L7A1045_L6028_DSP_A_H
#define MAME_SOUND_L7A1045_L6028_DSP_A_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> l7a1045_sound_device
class l7a1045_sound_device : public device_t,
public device_sound_interface
{
public:
l7a1045_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// void set_base(int8_t* base) { m_base = base; }
DECLARE_WRITE16_MEMBER( l7a1045_sound_w );
DECLARE_READ16_MEMBER( l7a1045_sound_r );
DECLARE_READ8_MEMBER(dma_r_cb);
DECLARE_WRITE8_MEMBER(dma_w_cb);
uint16_t dma_r16_cb() { m_voice[0].pos++; return 0; }
void dma_w16_cb(uint16_t data) { m_voice[0].pos++; }
DECLARE_WRITE_LINE_MEMBER(dma_hreq_cb);
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
struct l7a1045_voice
{
l7a1045_voice() { }
uint32_t start = 0;
uint32_t end = 0;
bool mode = false;
uint32_t pos = 0;
uint32_t frac = 0;
uint16_t l_volume = 0;
uint16_t r_volume = 0;
};
sound_stream *m_stream;
l7a1045_voice m_voice[32];
uint32_t m_key;
required_region_ptr<uint8_t> m_rom;
uint8_t m_audiochannel;
uint8_t m_audioregister;
struct l7a1045_48bit_data {
uint16_t dat[3];
};
l7a1045_48bit_data m_audiodat[0x10][0x20];
DECLARE_WRITE16_MEMBER(sound_select_w);
DECLARE_WRITE16_MEMBER(sound_data_w);
DECLARE_READ16_MEMBER(sound_data_r);
DECLARE_WRITE16_MEMBER(sound_status_w);
};
DECLARE_DEVICE_TYPE(L7A1045, l7a1045_sound_device)
#endif // MAME_SOUND_L7A1045_L6028_DSP_A_H
|