自学教程：C++ tilemap_mapper_delegate函数代码示例

VIDEO_START_MEMBER(madalien_state,madalien){	int i;	static const tilemap_mapper_delegate scan_functions[4] =	{		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode0),this),		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode1),this),		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode2),this),		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode3),this)	};	static const int tilemap_cols[4] =	{		16, 16, 32, 32	};	m_tilemap_fg = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(madalien_state::get_tile_info_FG),this), TILEMAP_SCAN_COLS_FLIP_X, 8, 8, 32, 32);	m_tilemap_fg->set_transparent_pen(0);	for (i = 0; i < 4; i++)	{		m_tilemap_edge1[i] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(madalien_state::get_tile_info_BG_1),this), scan_functions[i], 16, 16, tilemap_cols[i], 8);		m_tilemap_edge2[i] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(madalien_state::get_tile_info_BG_2),this), scan_functions[i], 16, 16, tilemap_cols[i], 8);	}	m_headlight_bitmap = std::make_unique<bitmap_ind16>(128, 128);	m_gfxdecode->gfx(0)->set_source(m_charram);	m_gfxdecode->gfx(2)->opaque(*m_headlight_bitmap,m_headlight_bitmap->cliprect(), 0, 0, 0, 0, 0x00, 0x00);	m_gfxdecode->gfx(2)->opaque(*m_headlight_bitmap,m_headlight_bitmap->cliprect(), 0, 0, 0, 1, 0x00, 0x40);}

VIDEO_START_MEMBER(madalien_state,madalien){	int i;	static const tilemap_mapper_delegate scan_functions[4] =	{		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode0),this),		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode1),this),		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode2),this),		tilemap_mapper_delegate(FUNC(madalien_state::scan_mode3),this)	};	static const int tilemap_cols[4] =	{		16, 16, 32, 32	};	m_tilemap_fg = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(madalien_state::get_tile_info_FG),this), TILEMAP_SCAN_COLS_FLIP_X, 8, 8, 32, 32);	m_tilemap_fg->set_transparent_pen(0);	m_tilemap_fg->set_scrolldx(0, 0x50);	m_tilemap_fg->set_scrolldy(0, 0x20);	for (i = 0; i < 4; i++)	{		m_tilemap_edge1[i] = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(madalien_state::get_tile_info_BG_1),this), scan_functions[i], 16, 16, tilemap_cols[i], 8);		m_tilemap_edge1[i]->set_scrolldx(0, 0x50);		m_tilemap_edge1[i]->set_scrolldy(0, 0x20);		m_tilemap_edge2[i] = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(madalien_state::get_tile_info_BG_2),this), scan_functions[i], 16, 16, tilemap_cols[i], 8);		m_tilemap_edge2[i]->set_scrolldx(0, 0x50);		m_tilemap_edge2[i]->set_scrolldy(0, machine().primary_screen->height() - 256);	}	m_headlight_bitmap = auto_bitmap_ind16_alloc(machine(), 128, 128);	machine().gfx[0]->set_source(m_charram);	drawgfx_opaque(*m_headlight_bitmap, m_headlight_bitmap->cliprect(), machine().gfx[2], 0, 0, 0, 0, 0x00, 0x00);	drawgfx_opaque(*m_headlight_bitmap, m_headlight_bitmap->cliprect(), machine().gfx[2], 0, 0, 0, 1, 0x00, 0x40);}

VIDEO_START_MEMBER(armedf_state,terraf){	m_sprite_offy = (m_scroll_type & 2 ) ? 0 : 128;  /* legion, legiono, crazy climber 2 */	m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(armedf_state::get_bg_tile_info),this), TILEMAP_SCAN_COLS, 16, 16, 64, 32);	m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(armedf_state::get_fg_tile_info),this), TILEMAP_SCAN_COLS, 16, 16, 64, 32);	m_tx_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(armedf_state::get_nb1414m4_tx_tile_info),this),		(m_scroll_type == 2) ? tilemap_mapper_delegate(FUNC(armedf_state::armedf_scan_type3),this) : tilemap_mapper_delegate(FUNC(armedf_state::armedf_scan_type2),this), 8, 8, 64, 32);	m_bg_tilemap->set_transparent_pen(0xf);	m_fg_tilemap->set_transparent_pen(0xf);	m_tx_tilemap->set_transparent_pen(0xf);	if (m_scroll_type != 1)		m_tx_tilemap->set_scrollx(0, -128);	m_text_videoram = auto_alloc_array(machine(), UINT8, 0x1000);	memset(m_text_videoram, 0x00, 0x1000);}

void cswat_state::video_start(){	m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(cswat_state::get_tile_info),this), tilemap_mapper_delegate(FUNC(cswat_state::tilemap_scan_rows),this), 8, 8, 36, 28);}

VIDEO_START_MEMBER(lwings_state,trojan){	m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(lwings_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);	m_bg1_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(lwings_state::trojan_get_bg1_tile_info),this),TILEMAP_SCAN_COLS, 16, 16, 32, 32);	m_bg2_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(lwings_state::get_bg2_tile_info),this), tilemap_mapper_delegate(FUNC(lwings_state::get_bg2_memory_offset),this), 16, 16, 32, 16);	m_fg_tilemap->set_transparent_pen(3);	m_bg1_tilemap->set_transmask(0, 0xffff, 0x0001); /* split type 0 is totally transparent in front half */	m_bg1_tilemap->set_transmask(1, 0xf07f, 0x0f81); /* split type 1 has pens 7-11 opaque in front half */	m_bg2_avenger_hw = 0;}

void ddribble_state::video_start(){    m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(ddribble_state::get_fg_tile_info),this), tilemap_mapper_delegate(FUNC(ddribble_state::tilemap_scan),this), 8, 8, 64, 32);    m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(ddribble_state::get_bg_tile_info),this), tilemap_mapper_delegate(FUNC(ddribble_state::tilemap_scan),this), 8, 8, 64, 32);    m_fg_tilemap->set_transparent_pen(0);}

void yunsun16_state::video_start(){	m_tilemap_0 = &machine().tilemap().create(			*m_gfxdecode, tilemap_get_info_delegate(FUNC(yunsun16_state::get_tile_info_0),this),tilemap_mapper_delegate(FUNC(yunsun16_state::tilemap_scan_pages),this),			16,16, TILES_PER_PAGE_X*PAGES_PER_TMAP_X,TILES_PER_PAGE_Y*PAGES_PER_TMAP_Y);	m_tilemap_1 = &machine().tilemap().create(			*m_gfxdecode, tilemap_get_info_delegate(FUNC(yunsun16_state::get_tile_info_1),this),tilemap_mapper_delegate(FUNC(yunsun16_state::tilemap_scan_pages),this),			16,16, TILES_PER_PAGE_X*PAGES_PER_TMAP_X,TILES_PER_PAGE_Y*PAGES_PER_TMAP_Y);	m_tilemap_0->set_scrolldx(-0x34, 0);	m_tilemap_1->set_scrolldx(-0x38, 0);	m_tilemap_0->set_scrolldy(-0x10, 0);	m_tilemap_1->set_scrolldy(-0x10, 0);	m_tilemap_0->set_transparent_pen(0xff);	m_tilemap_1->set_transparent_pen(0xff);}

void deco16ic_device::device_start(){	m_bank_cb_func[0] = m_bank_cb0;	m_bank_cb_func[1] = m_bank_cb1;	int fullheight = 0;	int fullwidth = 0;	if (m_full_width12&2)		fullheight = 1;	if (m_full_width12&1)		fullwidth = 1;	m_pf1_tilemap_16x16 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf1_tile_info),this), tilemap_mapper_delegate(FUNC(deco16ic_device::deco16_scan_rows),this), 16, 16, fullwidth ? 64 : 32, fullheight ?64 : 32);//  m_pf1_tilemap_8x8 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf1_tile_info_b),this), TILEMAP_SCAN_ROWS, 8, 8, m_full_width12 ? 64 : 32, 32);	m_pf1_tilemap_8x8 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf1_tile_info_b),this), TILEMAP_SCAN_ROWS, 8, 8, 64 , 32); // nitroball	if (m_split)		m_pf2_tilemap_16x16 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf2_tile_info),this), tilemap_mapper_delegate(FUNC(deco16ic_device::deco16_scan_rows),this), 16, 16, fullwidth ? 64 : 32, fullheight ? 64 : 32);	else		m_pf2_tilemap_16x16 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf2_tile_info),this), tilemap_mapper_delegate(FUNC(deco16ic_device::deco16_scan_rows),this), 16, 16, fullwidth ? 64 : 32, fullheight ? 64 : 32);	m_pf2_tilemap_8x8 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf2_tile_info_b),this), TILEMAP_SCAN_ROWS, 8, 8, fullwidth ? 64 : 32, fullheight ? 64 : 32);	m_pf1_tilemap_8x8->set_transparent_pen(0);	m_pf2_tilemap_8x8->set_transparent_pen(0);	m_pf1_tilemap_16x16->set_transparent_pen(0);	m_pf2_tilemap_16x16->set_transparent_pen(0);	if (m_split) /* Caveman Ninja only */		m_pf2_tilemap_16x16->set_transmask(0, 0x00ff, 0xff01);	m_pf1_8bpp_mode = 0;	m_pf1_data = auto_alloc_array_clear(machine(), UINT16, 0x2000 / 2);	m_pf2_data = auto_alloc_array_clear(machine(), UINT16, 0x2000 / 2);	m_pf12_control = auto_alloc_array_clear(machine(), UINT16, 0x10 / 2);	save_item(NAME(m_use_custom_pf1));	save_item(NAME(m_use_custom_pf2));	save_item(NAME(m_pf1_bank));	save_item(NAME(m_pf2_bank));	save_item(NAME(m_pf12_8x8_gfx_bank));	save_item(NAME(m_pf12_16x16_gfx_bank));	save_item(NAME(m_pf12_last_small));	save_item(NAME(m_pf12_last_big));	save_item(NAME(m_pf1_8bpp_mode));	save_pointer(NAME(m_pf1_data), 0x2000 / 2);	save_pointer(NAME(m_pf2_data), 0x2000 / 2);	save_pointer(NAME(m_pf12_control), 0x10 / 2);}

VIDEO_START_MEMBER(punchout_state,armwrest){	m_bg_top_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(punchout_state::armwrest_top_get_info),this), TILEMAP_SCAN_ROWS,  8,8, 32,32);	m_bg_bot_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(punchout_state::armwrest_bot_get_info),this), TILEMAP_SCAN_ROWS,  8,8, 32,32);	m_spr1_tilemap =       &machine().tilemap().create(tilemap_get_info_delegate(FUNC(punchout_state::bs1_get_info),this), tilemap_mapper_delegate(FUNC(punchout_state::armwrest_bs1_scan),this),  8,8, 32,16);	m_spr1_tilemap_flipx = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(punchout_state::bs1_get_info),this), tilemap_mapper_delegate(FUNC(punchout_state::armwrest_bs1_scan_flipx),this),  8,8, 32,16);	m_spr2_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(punchout_state::bs2_get_info),this), TILEMAP_SCAN_ROWS,  8,8, 16,32);	m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(punchout_state::armwrest_fg_get_info),this), TILEMAP_SCAN_ROWS,  8,8, 32,32);	m_spr1_tilemap->set_transparent_pen(0x07);	m_spr1_tilemap_flipx->set_transparent_pen(0x07);	m_spr2_tilemap->set_transparent_pen(0x03);	m_fg_tilemap->set_transparent_pen(0x07);}

void deco16ic_device::device_start(){	if(!m_gfxdecode->started())		throw device_missing_dependencies();	m_bank1_cb.bind_relative_to(*owner());	m_bank2_cb.bind_relative_to(*owner());	int fullheight = 0;	int fullwidth = 0;	if (m_full_width12&2)		fullheight = 1;	if (m_full_width12&1)		fullwidth = 1;	m_pf1_tilemap_16x16 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf1_tile_info),this), tilemap_mapper_delegate(FUNC(deco16ic_device::deco16_scan_rows),this), 16, 16, fullwidth ? 64 : 32, fullheight ?64 : 32);//  m_pf1_tilemap_8x8 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf1_tile_info_b),this), TILEMAP_SCAN_ROWS, 8, 8, m_full_width12 ? 64 : 32, 32);	m_pf1_tilemap_8x8 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf1_tile_info_b),this), TILEMAP_SCAN_ROWS, 8, 8, 64 , 32); // nitroball	if (m_split)		m_pf2_tilemap_16x16 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf2_tile_info),this), tilemap_mapper_delegate(FUNC(deco16ic_device::deco16_scan_rows),this), 16, 16, fullwidth ? 64 : 32, fullheight ? 64 : 32);	else		m_pf2_tilemap_16x16 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf2_tile_info),this), tilemap_mapper_delegate(FUNC(deco16ic_device::deco16_scan_rows),this), 16, 16, fullwidth ? 64 : 32, fullheight ? 64 : 32);	m_pf2_tilemap_8x8 = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(deco16ic_device::get_pf2_tile_info_b),this), TILEMAP_SCAN_ROWS, 8, 8, fullwidth ? 64 : 32, fullheight ? 64 : 32);	m_pf1_tilemap_8x8->set_transparent_pen(0);	m_pf2_tilemap_8x8->set_transparent_pen(0);	m_pf1_tilemap_16x16->set_transparent_pen(0);	m_pf2_tilemap_16x16->set_transparent_pen(0);	if (m_split) /* Caveman Ninja only */		m_pf2_tilemap_16x16->set_transmask(0, 0x00ff, 0xff01);	m_pf1_8bpp_mode = 0;	m_pf1_data = make_unique_clear<UINT16[]>(0x2000 / 2);	m_pf2_data = make_unique_clear<UINT16[]>(0x2000 / 2);	m_pf12_control = make_unique_clear<UINT16[]>(0x10 / 2);	save_item(NAME(m_use_custom_pf1));	save_item(NAME(m_use_custom_pf2));	save_item(NAME(m_pf1_bank));	save_item(NAME(m_pf2_bank));	save_item(NAME(m_pf12_8x8_gfx_bank));	save_item(NAME(m_pf12_16x16_gfx_bank));	save_item(NAME(m_pf12_last_small));	save_item(NAME(m_pf12_last_big));	save_item(NAME(m_pf1_8bpp_mode));	save_pointer(NAME(m_pf1_data.get()), 0x2000 / 2);	save_pointer(NAME(m_pf2_data.get()), 0x2000 / 2);	save_pointer(NAME(m_pf12_control.get()), 0x10 / 2);}

void skykid_state::video_start(){	m_tx_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(skykid_state::tx_get_tile_info),this),tilemap_mapper_delegate(FUNC(skykid_state::tx_tilemap_scan),this),  8,8,36,28);	m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(skykid_state::bg_get_tile_info),this),TILEMAP_SCAN_ROWS,     8,8,64,32);	m_tx_tilemap->set_transparent_pen(0);	save_item(NAME(m_priority));	save_item(NAME(m_scroll_x));	save_item(NAME(m_scroll_y));}

void amspdwy_state::video_start(){	m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(amspdwy_state::get_tile_info),this), tilemap_mapper_delegate(FUNC(amspdwy_state::tilemap_scan_cols_back),this), 8, 8, 0x20, 0x20);}

void blktiger_state::video_start(){	m_chon = 1;	m_bgon = 1;	m_objon = 1;	m_screen_layout = 0;	m_scroll_ram = std::make_unique<uint8_t[]>(BGRAM_BANK_SIZE * BGRAM_BANKS);	m_tx_tilemap =    &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(blktiger_state::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);	m_bg_tilemap8x4 = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(blktiger_state::get_bg_tile_info),this), tilemap_mapper_delegate(FUNC(blktiger_state::bg8x4_scan),this), 16, 16, 128, 64);	m_bg_tilemap4x8 = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(blktiger_state::get_bg_tile_info),this), tilemap_mapper_delegate(FUNC(blktiger_state::bg4x8_scan),this), 16, 16, 64, 128);	m_tx_tilemap->set_transparent_pen(3);	m_bg_tilemap8x4->set_transmask(0, 0xffff, 0x8000);  /* split type 0 is totally transparent in front half */	m_bg_tilemap8x4->set_transmask(1, 0xfff0, 0x800f);  /* split type 1 has pens 4-15 transparent in front half */	m_bg_tilemap8x4->set_transmask(2, 0xff00, 0x80ff);  /* split type 1 has pens 8-15 transparent in front half */	m_bg_tilemap8x4->set_transmask(3, 0xf000, 0x8fff);  /* split type 1 has pens 12-15 transparent in front half */	m_bg_tilemap4x8->set_transmask(0, 0xffff, 0x8000);	m_bg_tilemap4x8->set_transmask(1, 0xfff0, 0x800f);	m_bg_tilemap4x8->set_transmask(2, 0xff00, 0x80ff);	m_bg_tilemap4x8->set_transmask(3, 0xf000, 0x8fff);	save_pointer(NAME(m_scroll_ram.get()), BGRAM_BANK_SIZE * BGRAM_BANKS);}

void funkybee_state::video_start(){	m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(funkybee_state::get_bg_tile_info),this), tilemap_mapper_delegate(FUNC(funkybee_state::funkybee_tilemap_scan),this), 8, 8, 32, 32);}

void wwfsstar_state::video_start(){	m_fg0_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(wwfsstar_state::get_fg0_tile_info),this),TILEMAP_SCAN_ROWS, 8, 8,32,32);	m_fg0_tilemap->set_transparent_pen(0);	m_bg0_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(wwfsstar_state::get_bg0_tile_info),this),tilemap_mapper_delegate(FUNC(wwfsstar_state::bg0_scan),this), 16, 16,32,32);	m_fg0_tilemap->set_transparent_pen(0);	save_item(NAME(m_vblank));	save_item(NAME(m_scrollx));	save_item(NAME(m_scrolly));}

VIDEO_START_MEMBER(nmk16_state,macross){	m_bg_tilemap0 = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(nmk16_state::macross_get_bg0_tile_info),this), tilemap_mapper_delegate(FUNC(nmk16_state::afega_tilemap_scan_pages),this),16,16,TILES_PER_PAGE_X*PAGES_PER_TMAP_X,TILES_PER_PAGE_Y*PAGES_PER_TMAP_Y);	m_tx_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(nmk16_state::macross_get_tx_tile_info),this),TILEMAP_SCAN_COLS,8,8,32,32);	m_tx_tilemap->set_transparent_pen(15);	nmk16_video_init();}

void megasys1_state::create_tilemaps(){	int layer, i;	for (layer = 0; layer < 3; layer++)	{		/* 16x16 tilemaps */		m_tilemap[layer][0][0] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_16x16),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_16x16),this),									8,8, TILES_PER_PAGE_X * 16, TILES_PER_PAGE_Y * 2);		m_tilemap[layer][0][1] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_16x16),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_16x16),this),									8,8, TILES_PER_PAGE_X * 8, TILES_PER_PAGE_Y * 4);		m_tilemap[layer][0][2] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_16x16),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_16x16),this),									8,8, TILES_PER_PAGE_X * 4, TILES_PER_PAGE_Y * 8);		m_tilemap[layer][0][3] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_16x16),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_16x16),this),									8,8, TILES_PER_PAGE_X * 2, TILES_PER_PAGE_Y * 16);		/* 8x8 tilemaps */		m_tilemap[layer][1][0] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_8x8),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_8x8),this),									8,8, TILES_PER_PAGE_X * 8, TILES_PER_PAGE_Y * 1);		m_tilemap[layer][1][1] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_8x8),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_8x8),this),									8,8, TILES_PER_PAGE_X * 4, TILES_PER_PAGE_Y * 2);		m_tilemap[layer][1][2] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_8x8),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_8x8),this),									8,8, TILES_PER_PAGE_X * 4, TILES_PER_PAGE_Y * 2);		m_tilemap[layer][1][3] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(megasys1_state::megasys1_get_scroll_tile_info_8x8),this), tilemap_mapper_delegate(FUNC(megasys1_state::megasys1_scan_8x8),this),									8,8, TILES_PER_PAGE_X * 2, TILES_PER_PAGE_Y * 4);		/* set user data and transparency */		for (i = 0; i < 8; i++)		{			m_tilemap[layer][i/4][i%4]->set_user_data((void *)(FPTR)layer);			m_tilemap[layer][i/4][i%4]->set_transparent_pen(15);		}	}}

void chinagat_state::video_start(){	ddragon_state::video_start();	m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(chinagat_state::get_bg_tile_info),this),tilemap_mapper_delegate(FUNC(chinagat_state::background_scan),this), 16, 16, 32, 32);	m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(chinagat_state::get_fg_16color_tile_info),this),TILEMAP_SCAN_ROWS, 8, 8, 32, 32);	m_fg_tilemap->set_transparent_pen(0);	m_fg_tilemap->set_scrolldy(-8, -8);	m_bg_tilemap->set_scrolldy(-8, -8);}

VIDEO_START_MEMBER(ddragon_state,ddragon){	m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(ddragon_state::get_bg_tile_info),this), tilemap_mapper_delegate(FUNC(ddragon_state::background_scan),this), 16, 16, 32, 32);	m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(ddragon_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);	m_fg_tilemap->set_transparent_pen(0);	m_fg_tilemap->set_scrolldx(0, 0);	m_bg_tilemap->set_scrolldx(0, 0);	m_fg_tilemap->set_scrolldy(-8, -8);	m_bg_tilemap->set_scrolldy(-8, -8);}

void bestleag_state::video_start(){	m_tx_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(bestleag_state::get_tx_tile_info),this),TILEMAP_SCAN_COLS,8,8,256, 32);	m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(bestleag_state::get_bg_tile_info),this),tilemap_mapper_delegate(FUNC(bestleag_state::bsb_bg_scan),this),16,16,128, 64);	m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(bestleag_state::get_fg_tile_info),this),tilemap_mapper_delegate(FUNC(bestleag_state::bsb_bg_scan),this),16,16,128, 64);	m_tx_tilemap->set_transparent_pen(15);	m_fg_tilemap->set_transparent_pen(15);}

void k001604_device::device_start(){	static const gfx_layout k001604_char_layout_layer_8x8 =	{		8, 8,		K001604_NUM_TILES_LAYER0,		8,		{ 8,9,10,11,12,13,14,15 },		{ 1*16, 0*16, 3*16, 2*16, 5*16, 4*16, 7*16, 6*16 },		{ 0*128, 1*128, 2*128, 3*128, 4*128, 5*128, 6*128, 7*128 },		8*128	};	static const gfx_layout k001604_char_layout_layer_16x16 =	{		16, 16,		K001604_NUM_TILES_LAYER1,		8,		{ 8,9,10,11,12,13,14,15 },		{ 1*16, 0*16, 3*16, 2*16, 5*16, 4*16, 7*16, 6*16, 9*16, 8*16, 11*16, 10*16, 13*16, 12*16, 15*16, 14*16 },		{ 0*256, 1*256, 2*256, 3*256, 4*256, 5*256, 6*256, 7*256, 8*256, 9*256, 10*256, 11*256, 12*256, 13*256, 14*256, 15*256 },		16*256	};	if(!m_gfxdecode->started())		throw device_missing_dependencies();	int roz_tile_size;	m_gfx_index[0] = m_gfx_index_1;	m_gfx_index[1] = m_gfx_index_2;	m_char_ram = auto_alloc_array_clear(machine(), UINT32, 0x200000 / 4);	m_tile_ram = auto_alloc_array_clear(machine(), UINT32, 0x20000 / 4);	m_reg = auto_alloc_array_clear(machine(), UINT32, 0x400 / 4);	/* create tilemaps */	roz_tile_size = m_roz_size ? 16 : 8;	if (m_layer_size)	{		m_layer_8x8[0] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(k001604_device::tile_info_layer_8x8),this), tilemap_mapper_delegate(FUNC(k001604_device::scan_layer_8x8_0_size1),this), 8, 8, 64, 64);		m_layer_8x8[1] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(k001604_device::tile_info_layer_8x8),this), tilemap_mapper_delegate(FUNC(k001604_device::scan_layer_8x8_1_size1),this), 8, 8, 64, 64);		m_layer_roz = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(k001604_device::tile_info_layer_roz),this), tilemap_mapper_delegate(FUNC(k001604_device::scan_layer_roz_256),this), roz_tile_size, roz_tile_size, 128, 64);	}	else	{		m_layer_8x8[0] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(k001604_device::tile_info_layer_8x8),this), tilemap_mapper_delegate(FUNC(k001604_device::scan_layer_8x8_0_size0),this), 8, 8, 64, 64);		m_layer_8x8[1] = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(k001604_device::tile_info_layer_8x8),this), tilemap_mapper_delegate(FUNC(k001604_device::scan_layer_8x8_1_size0),this), 8, 8, 64, 64);		m_layer_roz = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(k001604_device::tile_info_layer_roz),this), tilemap_mapper_delegate(FUNC(k001604_device::scan_layer_roz_128),this), roz_tile_size, roz_tile_size, 128, 64);	}	m_layer_8x8[0]->set_transparent_pen(0);	m_layer_8x8[1]->set_transparent_pen(0);	m_gfxdecode->set_gfx(m_gfx_index[0], global_alloc(gfx_element(m_palette, k001604_char_layout_layer_8x8, (UINT8*)&m_char_ram[0], 0, m_palette->entries() / 16, 0)));	m_gfxdecode->set_gfx(m_gfx_index[1], global_alloc(gfx_element(m_palette, k001604_char_layout_layer_16x16, (UINT8*)&m_char_ram[0], 0, m_palette->entries() / 16, 0)));	save_pointer(NAME(m_reg), 0x400 / 4);	save_pointer(NAME(m_char_ram), 0x200000 / 4);	save_pointer(NAME(m_tile_ram), 0x20000 / 4);}

void supduck_state::video_start(){	m_text_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(supduck_state::get_text_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);	m_fore_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(supduck_state::get_fore_tile_info),this), tilemap_mapper_delegate(FUNC(supduck_state::supduk_tilemap_scan),this), 32, 32, 128,64);	m_back_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(supduck_state::get_back_tile_info),this), tilemap_mapper_delegate(FUNC(supduck_state::supduk_tilemap_scan),this), 32, 32, 128,64);	m_text_tilemap->set_transparent_pen(0x3);	m_fore_tilemap->set_transparent_pen(0xf);}