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C++ screen_device::update_partial方法代码示例

本文整理汇总了C++中screen_device::update_partial方法的典型用法代码示例。如果您正苦于以下问题：C++ screen_device::update_partial方法的具体用法？C++ screen_device::update_partial怎么用？C++ screen_device::update_partial使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类screen_device的用法示例。


在下文中一共展示了screen_device::update_partial方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: 

void atarig42_state::scanline_update(screen_device &screen, int scanline)
{
	int i;

	if (scanline == 0) logerror("-------\n");

	/* keep in range */
	int offset = (scanline / 8) * 64 + 48;
	if (offset >= 0x800)
		return;

	/* update the playfield scrolls */
	for (i = 0; i < 8; i++)
	{
		uint16_t word;

		word = m_alpha_tilemap->basemem_read(offset++);
		if (word & 0x8000)
		{
			int newscroll = (word >> 5) & 0x3ff;
			int newbank = word & 0x1f;
			if (newscroll != m_playfield_xscroll)
			{
				if (scanline + i > 0)
					screen.update_partial(scanline + i - 1);
				m_playfield_tilemap->set_scrollx(0, newscroll);
				m_playfield_xscroll = newscroll;
			}
			if (newbank != m_playfield_color_bank)
			{
				if (scanline + i > 0)
					screen.update_partial(scanline + i - 1);
				m_playfield_tilemap->mark_all_dirty();
				m_playfield_color_bank = newbank;
			}
		}

		word = m_alpha_tilemap->basemem_read(offset++);
		if (word & 0x8000)
		{
			int newscroll = ((word >> 6) - (scanline + i)) & 0x1ff;
			int newbank = word & 7;
			if (newscroll != m_playfield_yscroll)
			{
				if (scanline + i > 0)
					screen.update_partial(scanline + i - 1);
				m_playfield_tilemap->set_scrolly(0, newscroll);
				m_playfield_yscroll = newscroll;
			}
			if (newbank != m_playfield_tile_bank)
			{
				if (scanline + i > 0)
					screen.update_partial(scanline + i - 1);
				m_playfield_tilemap->mark_all_dirty();
				m_playfield_tile_bank = newbank;
			}
		}
开发者ID:Robbbert，项目名称:store1，代码行数:57，代码来源:atarig42.cpp

示例2: atarig1_scanline_update

void atarig1_scanline_update(screen_device &screen, int scanline)
{
	atarig1_state *state = (atarig1_state *)screen.machine->driver_data;
	UINT16 *base = &state->atarigen.alpha[(scanline / 8) * 64 + 48];
	int i;

	//if (scanline == 0) logerror("-------\n");

	/* keep in range */
	if (base >= &state->atarigen.alpha[0x800])
		return;
	screen.update_partial(MAX(scanline - 1, 0));

	/* update the playfield scrolls */
	for (i = 0; i < 8; i++)
	{
		UINT16 word;

		/* first word controls horizontal scroll */
		word = *base++;
		if (word & 0x8000)
		{
			int newscroll = ((word >> 6) + state->pfscroll_xoffset) & 0x1ff;
			if (newscroll != state->playfield_xscroll)
			{
				screen.update_partial(MAX(scanline + i - 1, 0));
				tilemap_set_scrollx(state->atarigen.playfield_tilemap, 0, newscroll);
				state->playfield_xscroll = newscroll;
			}
		}

		/* second word controls vertical scroll and tile bank */
		word = *base++;
		if (word & 0x8000)
		{
			int newscroll = ((word >> 6) - (scanline + i)) & 0x1ff;
			int newbank = word & 7;
			if (newscroll != state->playfield_yscroll)
			{
				screen.update_partial(MAX(scanline + i - 1, 0));
				tilemap_set_scrolly(state->atarigen.playfield_tilemap, 0, newscroll);
				state->playfield_yscroll = newscroll;
			}
			if (newbank != state->playfield_tile_bank)
			{
				screen.update_partial(MAX(scanline + i - 1, 0));
				tilemap_mark_all_tiles_dirty(state->atarigen.playfield_tilemap);
				state->playfield_tile_bank = newbank;
			}
		}
开发者ID:hstampfl，项目名称:mame2010-libretro，代码行数:50，代码来源:atarig1.c

示例3: 

void atarig1_state::scanline_update(screen_device &screen, int scanline)
{
	int i;

	//if (scanline == 0) logerror("-------\n");

	/* keep in range */
	int offset = (scanline / 8) * 64 + 48;
	if (offset >= 0x800)
		return;
	screen.update_partial(MAX(scanline - 1, 0));

	/* update the playfield scrolls */
	for (i = 0; i < 8; i++)
	{
		UINT16 word;

		/* first word controls horizontal scroll */
		word = m_alpha_tilemap->basemem_read(offset++);
		if (word & 0x8000)
		{
			int newscroll = ((word >> 6) + m_pfscroll_xoffset) & 0x1ff;
			if (newscroll != m_playfield_xscroll)
			{
				screen.update_partial(MAX(scanline + i - 1, 0));
				m_playfield_tilemap->set_scrollx(0, newscroll);
				m_playfield_xscroll = newscroll;
			}
		}

		/* second word controls vertical scroll and tile bank */
		word = m_alpha_tilemap->basemem_read(offset++);
		if (word & 0x8000)
		{
			int newscroll = ((word >> 6) - (scanline + i)) & 0x1ff;
			int newbank = word & 7;
			if (newscroll != m_playfield_yscroll)
			{
				screen.update_partial(MAX(scanline + i - 1, 0));
				m_playfield_tilemap->set_scrolly(0, newscroll);
				m_playfield_yscroll = newscroll;
			}
			if (newbank != m_playfield_tile_bank)
			{
				screen.update_partial(MAX(scanline + i - 1, 0));
				m_playfield_tilemap->mark_all_dirty();
				m_playfield_tile_bank = newbank;
			}
		}
开发者ID:cyberkni，项目名称:276in1JAMMA，代码行数:49，代码来源:atarig1.c

示例4: scanline_update

void vindictr_state::scanline_update(screen_device &screen, int scanline)
{
	UINT16 *base = &m_alpha[((scanline - 8) / 8) * 64 + 42];
	int x;

	/* keep in range */
	if (base < m_alpha)
		base += 0x7c0;
	else if (base >= &m_alpha[0x7c0])
		return;

	/* update the current parameters */
	for (x = 42; x < 64; x++)
	{
		UINT16 data = *base++;

		switch ((data >> 9) & 7)
		{
			case 2:     /* /PFB */
				if (m_playfield_tile_bank != (data & 7))
				{
					screen.update_partial(scanline - 1);
					m_playfield_tile_bank = data & 7;
					m_playfield_tilemap->mark_all_dirty();
				}
				break;

			case 3:     /* /PFHSLD */
				if (m_playfield_xscroll != (data & 0x1ff))
				{
					screen.update_partial(scanline - 1);
					m_playfield_tilemap->set_scrollx(0, data);
					m_playfield_xscroll = data & 0x1ff;
				}
				break;

			case 4:     /* /MOHS */
				if (atarimo_get_xscroll(0) != (data & 0x1ff))
				{
					screen.update_partial(scanline - 1);
					atarimo_set_xscroll(0, data & 0x1ff);
				}
				break;

			case 5:     /* /PFSPC */
				break;

			case 6:     /* /VIRQ */
				scanline_int_gen(*subdevice("maincpu"));
				break;

			case 7:     /* /PFVS */
			{
				/* a new vscroll latches the offset into a counter; we must adjust for this */
				int offset = scanline;
				const rectangle &visible_area = screen.visible_area();
				if (offset > visible_area.max_y)
					offset -= visible_area.max_y + 1;

				if (m_playfield_yscroll != ((data - offset) & 0x1ff))
				{
					screen.update_partial(scanline - 1);
					m_playfield_tilemap->set_scrolly(0, data - offset);
					atarimo_set_yscroll(0, (data - offset) & 0x1ff);
				}
				break;
			}
		}
	}
}
开发者ID:clobber，项目名称:UME，代码行数:70，代码来源:vindictr.c

示例5: scanline_update

void vindictr_state::scanline_update(screen_device &screen, int scanline)
{
	int x;

	/* keep in range */
	int offset = ((scanline - 8) / 8) * 64 + 42;
	if (offset < 0)
		offset += 0x7c0;
	else if (offset >= 0x7c0)
		return;

	/* update the current parameters */
	for (x = 42; x < 64; x++)
	{
		uint16_t data = m_alpha_tilemap->basemem_read(offset++);

		switch ((data >> 9) & 7)
		{
			case 2:     /* /PFB */
				if (m_playfield_tile_bank != (data & 7))
				{
					screen.update_partial(scanline - 1);
					m_playfield_tile_bank = data & 7;
					m_playfield_tilemap->mark_all_dirty();
				}
				break;

			case 3:     /* /PFHSLD */
				if (m_playfield_xscroll != (data & 0x1ff))
				{
					screen.update_partial(scanline - 1);
					m_playfield_tilemap->set_scrollx(0, data);
					m_playfield_xscroll = data & 0x1ff;
				}
				break;

			case 4:     /* /MOHS */
				if (m_mob->xscroll() != (data & 0x1ff))
				{
					screen.update_partial(scanline - 1);
					m_mob->set_xscroll(data & 0x1ff);
				}
				break;

			case 5:     /* /PFSPC */
				break;

			case 6:     /* /VIRQ */
				scanline_int_write_line(1);
				break;

			case 7:     /* /PFVS */
			{
				/* a new vscroll latches the offset into a counter; we must adjust for this */
				int offset = scanline;
				const rectangle &visible_area = screen.visible_area();
				if (offset > visible_area.bottom())
					offset -= visible_area.bottom() + 1;

				if (m_playfield_yscroll != ((data - offset) & 0x1ff))
				{
					screen.update_partial(scanline - 1);
					m_playfield_tilemap->set_scrolly(0, data - offset);
					m_mob->set_yscroll((data - offset) & 0x1ff);
				}
				break;
			}
		}
	}
}
开发者ID:Octocontrabass，项目名称:mame，代码行数:70，代码来源:vindictr.cpp

示例6: batman_scanline_update

void batman_scanline_update(screen_device &screen, int scanline)
{
	batman_state *state = screen.machine().driver_data<batman_state>();

	/* update the scanline parameters */
	if (scanline <= screen.visible_area().max_y && state->m_atarivc_state.rowscroll_enable)
	{
		UINT16 *base = &state->m_alpha[scanline / 8 * 64 + 48];
		int scan, i;

		for (scan = 0; scan < 8; scan++, scanline++)
			for (i = 0; i < 2; i++)
			{
				int data = *base++;
				switch (data & 15)
				{
					case 9:
						if (scanline > 0)
							screen.update_partial(scanline - 1);
						state->m_atarivc_state.mo_xscroll = (data >> 7) & 0x1ff;
						atarimo_set_xscroll(0, state->m_atarivc_state.mo_xscroll);
						break;

					case 10:
						if (scanline > 0)
							screen.update_partial(scanline - 1);
						state->m_atarivc_state.pf1_xscroll_raw = (data >> 7) & 0x1ff;
						atarivc_update_pf_xscrolls(state);
						tilemap_set_scrollx(state->m_playfield_tilemap, 0, state->m_atarivc_state.pf0_xscroll);
						tilemap_set_scrollx(state->m_playfield2_tilemap, 0, state->m_atarivc_state.pf1_xscroll);
						break;

					case 11:
						if (scanline > 0)
							screen.update_partial(scanline - 1);
						state->m_atarivc_state.pf0_xscroll_raw = (data >> 7) & 0x1ff;
						atarivc_update_pf_xscrolls(state);
						tilemap_set_scrollx(state->m_playfield_tilemap, 0, state->m_atarivc_state.pf0_xscroll);
						break;

					case 13:
						if (scanline > 0)
							screen.update_partial(scanline - 1);
						state->m_atarivc_state.mo_yscroll = (data >> 7) & 0x1ff;
						atarimo_set_yscroll(0, state->m_atarivc_state.mo_yscroll);
						break;

					case 14:
						if (scanline > 0)
							screen.update_partial(scanline - 1);
						state->m_atarivc_state.pf1_yscroll = (data >> 7) & 0x1ff;
						tilemap_set_scrolly(state->m_playfield2_tilemap, 0, state->m_atarivc_state.pf1_yscroll);
						break;

					case 15:
						if (scanline > 0)
							screen.update_partial(scanline - 1);
						state->m_atarivc_state.pf0_yscroll = (data >> 7) & 0x1ff;
						tilemap_set_scrolly(state->m_playfield_tilemap, 0, state->m_atarivc_state.pf0_yscroll);
						break;
				}
			}
	}
开发者ID:poliva，项目名称:mame-rr，代码行数:63，代码来源:batman.c


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