summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/includes/skyraid.h
blob: 43930d54e71e98926d143ecef4054f60b03c1fcc (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
#include "sound/discrete.h"

class skyraid_state : public driver_device
{
public:
	skyraid_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_pos_ram(*this, "pos_ram"),
		m_alpha_num_ram(*this, "alpha_num_ram"),
		m_obj_ram(*this, "obj_ram"){ }

	int m_analog_range;
	int m_analog_offset;

	int m_scroll;

	required_shared_ptr<UINT8> m_pos_ram;
	required_shared_ptr<UINT8> m_alpha_num_ram;
	required_shared_ptr<UINT8> m_obj_ram;

	bitmap_ind16 m_helper;
	DECLARE_READ8_MEMBER(skyraid_port_0_r);
	DECLARE_WRITE8_MEMBER(skyraid_range_w);
	DECLARE_WRITE8_MEMBER(skyraid_offset_w);
	DECLARE_WRITE8_MEMBER(skyraid_scroll_w);
	virtual void video_start();
	virtual void palette_init();
};


/*----------- defined in audio/skyraid.c -----------*/

DISCRETE_SOUND_EXTERN( skyraid );

WRITE8_DEVICE_HANDLER( skyraid_sound_w );


/*----------- defined in video/skyraid.c -----------*/


SCREEN_UPDATE_IND16(skyraid);