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
|
// license:???
// copyright-holders:insideoutboy, David Haywood, Stephh
class flower_state : public driver_device
{
public:
flower_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_sn_nmi_enable(*this, "sn_nmi_enable"),
m_spriteram(*this, "spriteram"),
m_textram(*this, "textram"),
m_bg0ram(*this, "bg0ram"),
m_bg1ram(*this, "bg1ram"),
m_bg0_scroll(*this, "bg0_scroll"),
m_bg1_scroll(*this, "bg1_scroll"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_subcpu(*this, "subcpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
required_shared_ptr<UINT8> m_sn_nmi_enable;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_textram;
required_shared_ptr<UINT8> m_bg0ram;
required_shared_ptr<UINT8> m_bg1ram;
required_shared_ptr<UINT8> m_bg0_scroll;
required_shared_ptr<UINT8> m_bg1_scroll;
tilemap_t *m_bg0_tilemap;
tilemap_t *m_bg1_tilemap;
tilemap_t *m_text_tilemap;
tilemap_t *m_text_right_tilemap;
DECLARE_WRITE8_MEMBER(flower_maincpu_irq_ack);
DECLARE_WRITE8_MEMBER(flower_subcpu_irq_ack);
DECLARE_WRITE8_MEMBER(flower_soundcpu_irq_ack);
DECLARE_WRITE8_MEMBER(flower_coin_counter_w);
DECLARE_WRITE8_MEMBER(flower_coin_lockout_w);
DECLARE_WRITE8_MEMBER(sound_command_w);
DECLARE_WRITE8_MEMBER(flower_textram_w);
DECLARE_WRITE8_MEMBER(flower_bg0ram_w);
DECLARE_WRITE8_MEMBER(flower_bg1ram_w);
DECLARE_WRITE8_MEMBER(flower_flipscreen_w);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted);
TILE_GET_INFO_MEMBER(get_bg0_tile_info);
TILE_GET_INFO_MEMBER(get_bg1_tile_info);
TILE_GET_INFO_MEMBER(get_text_tile_info);
virtual void video_start() override;
UINT32 screen_update_flower(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect );
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<cpu_device> m_subcpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
// ======================> flower_sound_device
/* this structure defines the parameters for a channel */
struct flower_sound_channel
{
UINT32 start;
UINT32 pos;
UINT16 freq;
UINT8 volume;
UINT8 voltab;
UINT8 oneshot;
UINT8 active;
UINT8 effect;
UINT32 ecount;
};
class flower_sound_device : public device_t,
public device_sound_interface
{
public:
flower_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~flower_sound_device() {}
enum
{
TIMER_CLOCK_EFFECT
};
DECLARE_WRITE8_MEMBER( sound1_w );
DECLARE_WRITE8_MEMBER( sound2_w );
protected:
// device-level overrides
virtual void device_config_complete() override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) 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:
void make_mixer_table(int voices, int gain);
// internal state
emu_timer *m_effect_timer;
/* data about the sound system */
flower_sound_channel m_channel_list[8];
flower_sound_channel *m_last_channel;
/* global sound parameters */
const UINT8 *m_sample_rom;
const UINT8 *m_volume_rom;
sound_stream * m_stream;
/* mixer tables and internal buffers */
std::unique_ptr<INT16[]> m_mixer_table;
INT16 *m_mixer_lookup;
std::unique_ptr<short[]> m_mixer_buffer;
UINT8 m_soundregs1[0x40];
UINT8 m_soundregs2[0x40];
};
extern const device_type FLOWER;
|