C++ VIDEO_START_CALL_MEMBER函数代码示例

VIDEO_START_MEMBER(galaxold_state,mooncrst)
{
	VIDEO_START_CALL_MEMBER(galaxold);

	m_modify_charcode   = &galaxold_state::mooncrst_modify_charcode;
	m_modify_spritecode = &galaxold_state::mooncrst_modify_spritecode;
}

VIDEO_START_MEMBER(toaplan2_state,bgareggabl)
{
	VIDEO_START_CALL_MEMBER( toaplan2 );

	/* Create the Text tilemap for this game */
	create_tx_tilemap(4, 4);
}

VIDEO_START_MEMBER(leland_state,ataxx)
{
	/* first do the standard stuff */
	VIDEO_START_CALL_MEMBER(leland);

	/* allocate memory */
	m_ataxx_qram = auto_alloc_array_clear(machine(), UINT8, QRAM_SIZE);
}

VIDEO_START_MEMBER(alg_state,alg)
{
	/* standard video start */
	VIDEO_START_CALL_MEMBER(amiga);

	/* configure pen 4096 as transparent in the renderer and use it for the genlock color */
	m_palette->set_pen_color(4096, rgb_t(0,0,0,0));
	amiga_set_genlock_color(machine(), 4096);
}

VIDEO_START_MEMBER(toaplan2_state,truxton2)
{
	VIDEO_START_CALL_MEMBER( toaplan2 );

	/* Create the Text tilemap for this game */
	m_gfxdecode->m_gfx[0]->set_source(reinterpret_cast<UINT8 *>(m_tx_gfxram16.target()));
	machine().save().register_postload(save_prepost_delegate(FUNC(toaplan2_state::truxton2_postload), this));

	create_tx_tilemap(0x1d5, 0x16a);
}

VIDEO_START_MEMBER(aim65_state,aim65)
{
    m_print_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(aim65_state::aim65_printer_timer),this));
    m_printerRAM = std::make_unique<uint16_t[]>((600 * 10 * 2) / 2);
    memset(m_printerRAM, 0, videoram_size);
    VIDEO_START_CALL_MEMBER(generic);
    m_printer_x = 0;
    m_printer_y = 0;
    m_printer_dir = 0;
    m_flag_a = 0;
    m_flag_b = 0;
    m_printer_level = 0;
}

VIDEO_START_MEMBER(kaneko16_berlwall_state,berlwall)
{
	int sx, x,y;
	UINT8 *RAM  =   memregion("gfx3")->base();

	/* Render the hi-color static backgrounds held in the ROMs */

	m_bg15_bitmap.allocate(256 * 32, 256 * 1);

/*
    8aba is used as background color
    8aba/2 = 455d = 10001 01010 11101 = $11 $0a $1d
*/

	for (sx = 0 ; sx < 32 ; sx++)   // horizontal screens
		for (x = 0 ; x < 256 ; x++) // horizontal pixels
		for (y = 0 ; y < 256 ; y++) // vertical pixels
		{
			int addr  = sx * (256 * 256) + x + y * 256;
			int data = RAM[addr * 2 + 0] * 256 + RAM[addr * 2 + 1];
			int r,g,b;

			r = (data & 0x07c0) >>  6;
			g = (data & 0xf800) >> 11;
			b = (data & 0x003e) >>  1;

			/* apply a simple decryption */
			r ^= 0x09;

			if (~g & 0x08) g ^= 0x10;
			g = (g - 1) & 0x1f;     /* decrease with wraparound */

			b ^= 0x03;
			if (~b & 0x08) b ^= 0x10;
			b = (b + 2) & 0x1f;     /* increase with wraparound */

			/* kludge to fix the rollercoaster picture */
			if ((r & 0x10) && (b & 0x10))
				g = (g - 1) & 0x1f;     /* decrease with wraparound */

			m_bg15_bitmap.pix16(y, sx * 256 + x) = 2048 + ((g << 10) | (r << 5) | b);
		}

	VIDEO_START_CALL_MEMBER(kaneko16);
}

VIDEO_START_MEMBER(rohga_state,schmeisr)
{
	VIDEO_START_CALL_MEMBER( rohga );
	// wire mods on pcb..
	m_sprgen1->set_col_callback(schmeisr_col_callback);
}

VIDEO_START_MEMBER(nmk16_state,raphero)
{
	VIDEO_START_CALL_MEMBER( macross2 );
	m_simple_scroll = 0;
}