summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/includes/lemmings.h
blob: bde3dcf646aceebaa8821305e706f5352ac8a747 (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
#include "video/bufsprite.h"
#include "video/decospr.h"

class lemmings_state : public driver_device
{
public:
	lemmings_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
			m_bitmap0(2048, 256),
			m_spriteram(*this, "spriteram"),
			m_spriteram2(*this, "spriteram2") ,
		m_paletteram(*this, "paletteram"),
		m_control_data(*this, "control_data"),
		m_vram_data(*this, "vram_data"),
		m_pixel_0_data(*this, "pixel_0_data"),
		m_pixel_1_data(*this, "pixel_1_data"),
		m_sprgen(*this, "spritegen"),
		m_sprgen2(*this, "spritegen2")
	{ }

	/* video-related */
	bitmap_ind16 m_bitmap0;
	tilemap_t *m_vram_tilemap;
	UINT16 m_sprite_triple_buffer_0[0x800];
	UINT16 m_sprite_triple_buffer_1[0x800];
	UINT8 m_vram_buffer[2048 * 64]; // 64 bytes per VRAM character
	/* devices */
	cpu_device *m_audiocpu;
	required_device<buffered_spriteram16_device> m_spriteram;
	required_device<buffered_spriteram16_device> m_spriteram2;
	/* memory pointers */
	required_shared_ptr<UINT16> m_paletteram;
	required_shared_ptr<UINT16> m_control_data;
	required_shared_ptr<UINT16> m_vram_data;
	required_shared_ptr<UINT16> m_pixel_0_data;
	required_shared_ptr<UINT16> m_pixel_1_data;
	optional_device<decospr_device> m_sprgen;
	optional_device<decospr_device> m_sprgen2;

	DECLARE_WRITE16_MEMBER(lemmings_control_w);
	DECLARE_READ16_MEMBER(lemmings_trackball_r);
	DECLARE_READ16_MEMBER(lemmings_prot_r);
	DECLARE_WRITE16_MEMBER(lemmings_palette_24bit_w);
	DECLARE_WRITE16_MEMBER(lemmings_sound_w);
	DECLARE_WRITE8_MEMBER(lemmings_sound_ack_w);
	DECLARE_WRITE16_MEMBER(lemmings_pixel_0_w);
	DECLARE_WRITE16_MEMBER(lemmings_pixel_1_w);
	DECLARE_WRITE16_MEMBER(lemmings_vram_w);
	TILE_GET_INFO_MEMBER(get_tile_info);
	virtual void machine_start();
	virtual void video_start();
	UINT32 screen_update_lemmings(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
	void screen_eof_lemmings(screen_device &screen, bool state);
	void lemmings_copy_bitmap(bitmap_rgb32& bitmap, bitmap_ind16& srcbitmap, int* xscroll, int* yscroll, const rectangle& cliprect);
};