summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/video/orca40c.h
blob: a493edf8e15ecb6a67e9350864b85dee79687a7e (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
// license:BSD-3-Clause
// copyright-holders:Zsolt Vasvari

/***************************************************************************

    orca40c.h

***************************************************************************/

#ifndef MAME_VIDEO_ORCA40C_H
#define MAME_VIDEO_ORCA40C_H

#pragma once

#include "emupal.h"

//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> orca_ovg_40c_device

class orca_ovg_40c_device : public device_t, public device_gfx_interface
{
public:
	// construction/destruction
	orca_ovg_40c_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// configuration
	void set_percuss_hardware(bool percuss_hardware) { m_percuss_hardware = percuss_hardware; }

	// memory handlers
	DECLARE_WRITE8_MEMBER(videoram_w);
	DECLARE_WRITE8_MEMBER(videoram2_w);
	DECLARE_WRITE8_MEMBER(attributes_w);
	DECLARE_WRITE8_MEMBER(flipscreen_w);

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_add_mconfig(machine_config &config) override;

private:
	// shared memory finders
	required_shared_ptr<uint8_t> m_videoram;
	required_shared_ptr<uint8_t> m_videoram_2;
	required_shared_ptr<uint8_t> m_attributeram;
	required_shared_ptr<uint8_t> m_spriteram;
	required_shared_ptr<uint8_t> m_bulletsram;

	// devices
	required_device<palette_device> m_palette;

	// configuration
	bool m_percuss_hardware;

	// decoding info
	DECLARE_GFXDECODE_MEMBER(gfxinfo);

	// internal state
	tilemap_t *m_bg_tilemap;
	tilemap_t *m_fg_tilemap;
	bool m_flip_screen;

	// helpers
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	TILE_GET_INFO_MEMBER(get_fg_tile_info);
	void palette_init(palette_device &palette);

	// drawing control
	void draw_bullets(bitmap_ind16 &bitmap, const rectangle &cliprect);
	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};

// device type definition
DECLARE_DEVICE_TYPE(ORCA_OVG_40C, orca_ovg_40c_device)

#endif  // MAME_VIDEO_ORCA40C_H