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
|
// license:BSD-3-Clause
// copyright-holders:Manuel Abadia
#ifndef MAME_SOUND_GAELCO_H
#define MAME_SOUND_GAELCO_H
#pragma once
#include "dirom.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> gaelco_gae1_device
class gaelco_gae1_device : public device_t,
public device_sound_interface,
public device_rom_interface<27> // Unknown address bits
{
public:
gaelco_gae1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
void set_bank_offsets(int offs1, int offs2, int offs3, int offs4)
{
m_banks[0] = offs1;
m_banks[1] = offs2;
m_banks[2] = offs3;
m_banks[3] = offs4;
}
void gaelcosnd_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t gaelcosnd_r(offs_t offset);
protected:
gaelco_gae1_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_stop() override;
virtual void device_post_load() override;
virtual void device_clock_changed() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
// device_rom_interface overrides
virtual void rom_bank_pre_change() override;
private:
static constexpr int NUM_CHANNELS = 0x07;
static constexpr int VOLUME_LEVELS = 0x10;
struct sound_channel
{
int active; // is it playing?
int loop; // = 0 no looping, = 1 looping
int chunkNum; // current chunk if looping
};
sound_stream *m_stream; /* our stream */
// live
sound_channel m_channel[NUM_CHANNELS]; /* 7 stereo channels */
uint16_t m_sndregs[0x38];
// Table for converting from 8 to 16 bits with volume control
int16_t m_volume_table[VOLUME_LEVELS][256];
// config
int m_banks[4]; /* start of each ROM bank */
};
DECLARE_DEVICE_TYPE(GAELCO_GAE1, gaelco_gae1_device)
// ======================> gaelco_cg1v_device
class gaelco_cg1v_device : public gaelco_gae1_device
{
public:
gaelco_cg1v_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
DECLARE_DEVICE_TYPE(GAELCO_CG1V, gaelco_cg1v_device)
#endif // MAME_SOUND_GAELCO_H
|