blob: a169a9bebe8d3925210b0ed27a784b504b7344ab (
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
|
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#ifndef MAME_SOUND_DIGITALK_H
#define MAME_SOUND_DIGITALK_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> digitalker_device
class digitalker_device : public device_t, public device_sound_interface
{
public:
digitalker_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void digitalker_0_cs_w(int line);
void digitalker_0_cms_w(int line);
void digitalker_0_wr_w(int line);
int digitalker_0_intr_r();
void digitalker_data_w(uint8_t data);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream) override;
private:
void digitalker_write(uint8_t *adr, uint8_t vol, int8_t dac);
uint8_t digitalker_pitch_next(uint8_t val, uint8_t prev, int step);
void digitalker_set_intr(uint8_t intr);
void digitalker_start_command(uint8_t cmd);
void digitalker_step_mode_0();
void digitalker_step_mode_1();
void digitalker_step_mode_2();
void digitalker_step_mode_3();
void digitalker_step();
void digitalker_cs_w(int line);
void digitalker_cms_w(int line);
void digitalker_wr_w(int line);
int digitalker_intr_r();
void digitalker_register_for_save();
required_region_ptr<uint8_t> m_rom;
sound_stream *m_stream;
// Port/lines state
uint8_t m_data;
uint8_t m_cs;
uint8_t m_cms;
uint8_t m_wr;
uint8_t m_intr;
// Current decoding state
uint16_t m_bpos;
uint16_t m_apos;
uint8_t m_mode;
uint8_t m_cur_segment;
uint8_t m_cur_repeat;
uint8_t m_segments;
uint8_t m_repeats;
uint8_t m_prev_pitch;
uint8_t m_pitch;
uint8_t m_pitch_pos;
uint8_t m_stop_after;
uint8_t m_cur_dac;
uint8_t m_cur_bits;
// Zero-range size
uint32_t m_zero_count; // 0 for done
// Waveform and current index in it
uint8_t m_dac_index; // 128 for done
int16_t m_dac[128];
};
DECLARE_DEVICE_TYPE(DIGITALKER, digitalker_device)
#endif // MAME_SOUND_DIGITALK_H
|