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r33533 Tuesday 25th November, 2014 at 20:46:07 UTC by David Haywood
add sprite code from pushman, it's very similar except it has real tilemaps instead of a fixed layout from rom (nw) (will probably deviceify / merge at some point)

[src/mame/drivers]

supduck.c

trunk/src/mame/drivers/supduck.c

r242044	r242045
13	13	#include "cpu/z80/z80.h"
14	14	#include "cpu/m68000/m68000.h"
15	15	#include "sound/okim6295.h"
	16	#include "video/bufsprite.h"
16	17
17
18	18	class supduck_state : public driver_device
19	19	{
20	20	public:
r242044	r242045
22	22	: driver_device(mconfig, type, tag),
23	23	m_maincpu(*this, "maincpu"),
24	24	m_audiocpu(*this, "audiocpu"),
	25	m_spriteram(*this, "spriteram") ,
25	26	m_tx_videoram(*this, "txvideoram"),
26		m_gfxdecode(*this, "gfxdecode")
	27	m_gfxdecode(*this, "gfxdecode"),
	28	m_palette(*this, "palette")
27	29	{ }
28	30
29	31	// devices
r242044	r242045
31	33	required_device<z80_device> m_audiocpu;
32	34
33	35	// shared pointers
	36	required_device<buffered_spriteram16_device> m_spriteram;
34	37	required_shared_ptr<UINT16> m_tx_videoram;
35	38
36	39	required_device<gfxdecode_device> m_gfxdecode;
	40	required_device<palette_device> m_palette;
37	41
38	42	tilemap_t     *m_tx_tilemap;
39	43
r242044	r242045
49	53
50	54	virtual void video_start();
51	55
	56	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, int priority);
52	57	TILE_GET_INFO_MEMBER(get_tx_tile_info);
53	58	};
54	59
55	60	void supduck_state::video_start()
56	61	{
57	62	m_tx_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(supduck_state::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
	63	m_tx_tilemap->set_transparent_pen(3);
	64
58	65	}
59	66
60	67	UINT32 supduck_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
61	68	{
	69	bitmap.fill(m_palette->black_pen(), cliprect);
	70
	71	draw_sprites(bitmap, cliprect, 0);
	72	draw_sprites(bitmap, cliprect, 1); //draw priority sprites?
	73
62	74	m_tx_tilemap->draw(screen, bitmap, cliprect, 0, 0);
63	75	return 0;
64	76	}
r242044	r242045
70	82	m_tx_tilemap->mark_tile_dirty(offset);
71	83	}
72	84
73		TILE_GET_INFO_MEMBER(supduck_state::get_tx_tile_info)
	85	TILE_GET_INFO_MEMBER(supduck_state::get_tx_tile_info) // same as tigeroad.c
74	86	{
75		int data = m_tx_videoram[tile_index];
76
77		int tileno = data & 0xff;
78		//   tileno |= (data & 0x7000) >> 4;
	87	UINT16 *videoram = m_tx_videoram;
	88	int data = videoram[tile_index];
	89	int attr = data >> 8;
	90	int code = (data & 0xff) + ((attr & 0xc0) << 2) + ((attr & 0x20) << 5);
	91	int color = attr & 0x0f;
	92	int flags = (attr & 0x10) ? TILE_FLIPY : 0;
79	93
80		SET_TILE_INFO_MEMBER(0, tileno, 0, 0);
	94	SET_TILE_INFO_MEMBER(0, code, color, flags);
81	95	}
82	96
83	97
	98	void supduck_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, int priority )
	99	{
	100	UINT16 *source = &m_spriteram->buffer()[m_spriteram->bytes()/2] - 4;
	101	UINT16 *finish = m_spriteram->buffer();
84	102
	103	while (source >= finish)
	104	{
	105	int tile_number = source[0];
85	106
	107	if (tile_number != 0xfff) {
	108	int attr = source[1];
	109	int sy = source[2] & 0x1ff;
	110	int sx = source[3] & 0x1ff;
	111
	112	int flipx = attr & 0x02;
	113	int flipy = attr & 0x01;
	114	int color = (attr >> 2) & 0x0f;
	115
	116	if (sx > 0x100) sx -= 0x200;
	117	if (sy > 0x100) sy -= 0x200;
	118
	119	if (flip_screen())
	120	{
	121	sx = 240 - sx;
	122	sy = 240 - sy;
	123	flipx = !flipx;
	124	flipy = !flipy;
	125	}
	126
	127
	128	m_gfxdecode->gfx(3)->transpen(bitmap,cliprect,
	129	tile_number,
	130	color,
	131	flipx, flipy,
	132	sx, 240 - sy, 15);
	133	}
	134
	135	source -= 4;
	136	}
	137	}
	138
	139
	140
86	141	static ADDRESS_MAP_START( main_map, AS_PROGRAM, 16, supduck_state )
87	142	AM_RANGE(0x000000, 0x03ffff) AM_ROM
88		AM_RANGE(0xfe0000, 0xfe1fff) AM_RAM
	143	AM_RANGE(0xfe0000, 0xfe1fff) AM_RAM AM_SHARE("spriteram")
89	144	//   AM_RANGE(0xfe0000, 0xfe07ff) AM_RAM /* RAM? */
90	145	//   AM_RANGE(0xfe0800, 0xfe0cff) AM_RAM AM_SHARE("spriteram")
91	146	//   AM_RANGE(0xfe0d00, 0xfe3fff) AM_RAM              /* RAM? */
r242044	r242045
265	320	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
266	321	MCFG_SCREEN_UPDATE_DRIVER(supduck_state, screen_update)
267	322	MCFG_SCREEN_SIZE(32*8, 32*8)
268		MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
	323	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 30*8-1)
269	324	MCFG_SCREEN_PALETTE("palette")
	325	MCFG_SCREEN_VBLANK_DEVICE("spriteram", buffered_spriteram16_device, vblank_copy_rising)
270	326
	327	MCFG_BUFFERED_SPRITERAM16_ADD("spriteram")
	328
271	329	MCFG_GFXDECODE_ADD("gfxdecode", "palette", supduck)
272	330
273	331	MCFG_PALETTE_ADD("palette", 0x800/2)
r242044	r242045
324	382	ROM_LOAD( "1.su13",   0x00000, 0x80000, CRC(7fb1ed42) SHA1(77ec86a6454398e329066aa060e9b6a39085ce71) ) // banked sample data
325	383	ROM_END
326	384
327		GAME( 1993, supduck, 0, supduck, supduck, driver_device, 0, ROT0, "Comad", "Super Duck", GAME_NOT_WORKING )
	385	GAME( 1992, supduck, 0, supduck, supduck, driver_device, 0, ROT0, "Comad", "Super Duck", GAME_NOT_WORKING )

https://github.com/mamedev/mame/commit/e0fc01582e3f7b28c598c707984a7496591a618a

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