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C++ BITMAP_ADDR16函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中BITMAP_ADDR16函数的典型用法代码示例。如果您正苦于以下问题：C++ BITMAP_ADDR16函数的具体用法？C++ BITMAP_ADDR16怎么用？C++ BITMAP_ADDR16使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了BITMAP_ADDR16函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: readbyte

void zx8301_device::draw_line_mode8(bitmap_t *bitmap, int y, UINT16 da)
{
	int x = 0;

	for (int word = 0; word < 64; word++)
	{
		UINT8 byte_high = readbyte(da++);
		UINT8 byte_low = readbyte(da++);

		for (int pixel = 0; pixel < 4; pixel++)
		{
			int red = BIT(byte_low, 7);
			int green = BIT(byte_high, 7);
			int blue = BIT(byte_low, 6);
			int flash = BIT(byte_high, 6);

			int color = (green << 2) | (red << 1) | blue;

			if (flash && m_flash)
			{
				color = 0;
			}

			*BITMAP_ADDR16(bitmap, y, x++) = color;
			*BITMAP_ADDR16(bitmap, y, x++) = color;

			byte_high <<= 2;
			byte_low <<= 2;
		}
	}
}
开发者ID:cdenix，项目名称:psmame，代码行数:31，代码来源:zx8301.c


示例2: bitmap_fill

int CHD44352::video_update(bitmap_t &bitmap, const rectangle &cliprect)
{
    UINT8 cw = info.m_char_width;

    bitmap_fill(&bitmap, &cliprect, 0);

    if (info.m_control_lines&0x80 && info.m_lcd_on)
    {
        for (int a=0; a<2; a++)
            for (int py=0; py<4; py++)
                for (int px=0; px<16; px++)
                    if (BIT(info.m_cursor_status, 4) && px == info.m_cursor_x && py == info.m_cursor_y && a == info.m_cursor_lcd)
                    {
                        //draw the cursor
                        for (int c=0; c<cw; c++)
                        {
                            UINT8 d = compute_newval((info.m_cursor_status>>5) & 0x07, info.m_video_ram[a][py*16*cw + px*cw + c + info.m_scroll * 48], info.m_cursor[c]);
                            for (int b=0; b<8; b++)
                            {
                                *BITMAP_ADDR16(&bitmap, py*8 + b, a*cw*16 + px*cw + c) = BIT(d, 7-b);
                            }
                        }
                    }
                    else
                    {
                        for (int c=0; c<cw; c++)
                        {
                            UINT8 d = info.m_video_ram[a][py*16*cw + px*cw + c + info.m_scroll * 48];
                            for (int b=0; b<8; b++)
                            {
                                *BITMAP_ADDR16(&bitmap, py*8 + b, a*cw*16 + px*cw + c) = BIT(d, 7-b);
                            }
                        }
                    }
    }
开发者ID:TheProjecter，项目名称:pockemul，代码行数:35，代码来源:hd44352.cpp


示例3: SCREEN_UPDATE

static SCREEN_UPDATE( vega )
{
	vegaeo_state *state = screen->machine().driver_data<vegaeo_state>();
	int x,y,count;
	int color;

	count = 0;
	for (y=0;y < 240;y++)
	{
		for (x=0;x < 320/4;x++)
		{
			color = state->m_vega_vram[count + (0x14000/4) * (state->m_vega_vbuffer ^ 1)] & 0xff;
			*BITMAP_ADDR16(bitmap, y, x*4 + 3) = color;

			color = (state->m_vega_vram[count + (0x14000/4) * (state->m_vega_vbuffer ^ 1)] & 0xff00) >> 8;
			*BITMAP_ADDR16(bitmap, y, x*4 + 2) = color;

			color = (state->m_vega_vram[count + (0x14000/4) * (state->m_vega_vbuffer ^ 1)] & 0xff0000) >> 16;
			*BITMAP_ADDR16(bitmap, y, x*4 + 1) = color;

			color = (state->m_vega_vram[count + (0x14000/4) * (state->m_vega_vbuffer ^ 1)] & 0xff000000) >> 24;
			*BITMAP_ADDR16(bitmap, y, x*4 + 0) = color;

			count++;
		}
	}
	return 0;
}
开发者ID:poliva，项目名称:mame-rr，代码行数:28，代码来源:vegaeo.c


示例4: VIDEO_UPDATE

static VIDEO_UPDATE( vega )
{
	int x,y,count;
	int color;

	count = 0;
	for (y=0;y < 240;y++)
	{
		for (x=0;x < 320/4;x++)
		{
			color = vega_vram[count + (0x14000/4) * (vega_vbuffer ^ 1)] & 0xff;
			*BITMAP_ADDR16(bitmap, y, x*4 + 3) = color;

			color = (vega_vram[count + (0x14000/4) * (vega_vbuffer ^ 1)] & 0xff00) >> 8;
			*BITMAP_ADDR16(bitmap, y, x*4 + 2) = color;

			color = (vega_vram[count + (0x14000/4) * (vega_vbuffer ^ 1)] & 0xff0000) >> 16;
			*BITMAP_ADDR16(bitmap, y, x*4 + 1) = color;

			color = (vega_vram[count + (0x14000/4) * (vega_vbuffer ^ 1)] & 0xff000000) >> 24;
			*BITMAP_ADDR16(bitmap, y, x*4 + 0) = color;

			count++;
		}
	}
	return 0;
}
开发者ID:AltimorTASDK，项目名称:shmupmametgm，代码行数:27，代码来源:vegaeo.c


示例5: draw_headlight

static void draw_headlight(bitmap_t *bitmap, const rectangle *cliprect, int flip)
{
	if (BIT(*madalien_video_flags, 0))
	{
		UINT8 y;

		for (y = 0; y < 0x80; y++)
		{
			UINT8 x;
			UINT8 hy = y - *madalien_headlight_pos;

			if (flip)
				hy = ~hy;

			if ((hy < cliprect->min_y) || (hy > cliprect->max_y))
				continue;

			for (x = 0; x < 0x80; x++)
			{
				UINT8 hx = x;

				if (flip)
					hx = ~hx;

				if ((hx < cliprect->min_x) || (hx > cliprect->max_x))
					continue;

				if (*BITMAP_ADDR16(headlight_bitmap, y, x) != 0)
					*BITMAP_ADDR16(bitmap, hy, hx) |= 8;
			}
		}
	}
}
开发者ID:DarrenBranford，项目名称:MAME4iOS，代码行数:33，代码来源:madalien.c


示例6: plot_sprite_part

INLINE void plot_sprite_part( bitmap_t *bitmap, UINT8 x, UINT8 y, UINT8 pat, UINT8 col )
{
	if ( pat & 0x08 )
		*BITMAP_ADDR16( bitmap, y, x ) = col;
	if ( pat & 0x04 && x < 255 )
		*BITMAP_ADDR16( bitmap, y, x + 1 ) = col;
	if ( pat & 0x02 && x < 254 )
		*BITMAP_ADDR16( bitmap, y, x + 2 ) = col;
	if ( pat & 0x01 && x < 253 )
		*BITMAP_ADDR16( bitmap, y, x + 3 ) = col;
}
开发者ID:cdenix，项目名称:psmame，代码行数:11，代码来源:scv.c


示例7: WRITE8_HANDLER

static WRITE8_HANDLER( getrivia_bitmap_w )
{
	int sx,sy;
	int fg,bg,mask,bits;
	static int prevoffset, yadd;

	videoram[offset] = data;

	yadd = (offset==prevoffset) ? (yadd+1):0;
	prevoffset = offset;

	fg = drawctrl[0] & 7;
	bg = 2;
	mask = 0xff;//drawctrl[2];
	bits = drawctrl[1];

	sx = 8 * (offset % 64);
	sy = offset / 64;
	sy = (sy + yadd) & 0xff;


//if (mask != bits)
//  popmessage("color %02x bits %02x mask %02x\n",fg,bits,mask);

	if (mask & 0x80) *BITMAP_ADDR16(tmpbitmap, sy, sx+0) = (bits & 0x80) ? fg : bg;
	if (mask & 0x40) *BITMAP_ADDR16(tmpbitmap, sy, sx+1) = (bits & 0x40) ? fg : bg;
	if (mask & 0x20) *BITMAP_ADDR16(tmpbitmap, sy, sx+2) = (bits & 0x20) ? fg : bg;
	if (mask & 0x10) *BITMAP_ADDR16(tmpbitmap, sy, sx+3) = (bits & 0x10) ? fg : bg;
	if (mask & 0x08) *BITMAP_ADDR16(tmpbitmap, sy, sx+4) = (bits & 0x08) ? fg : bg;
	if (mask & 0x04) *BITMAP_ADDR16(tmpbitmap, sy, sx+5) = (bits & 0x04) ? fg : bg;
	if (mask & 0x02) *BITMAP_ADDR16(tmpbitmap, sy, sx+6) = (bits & 0x02) ? fg : bg;
	if (mask & 0x01) *BITMAP_ADDR16(tmpbitmap, sy, sx+7) = (bits & 0x01) ? fg : bg;
}
开发者ID:Paulodx，项目名称:sdl-mame-wii，代码行数:33，代码来源:getrivia.c


示例8: SCREEN_UPDATE

static SCREEN_UPDATE( gmaster )
{
	gmaster_state *state = screen->machine().driver_data<gmaster_state>();
    int x,y;
//  plot_box(bitmap, 0, 0, 64/*bitmap->width*/, bitmap->height, 0); //xmess rounds up to 64 pixel
    for (y = 0; y < ARRAY_LENGTH(state->m_video.pixels); y++)
	{
		for (x = 0; x < ARRAY_LENGTH(state->m_video.pixels[0]); x++)
		{
			UINT8 d = state->m_video.pixels[y][x];
			UINT16 *line;

			line = BITMAP_ADDR16(bitmap, (y * 8), x);
			line[0] = BIT(d, 0);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 1), x);
			line[0] = BIT(d, 1);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 2), x);
			line[0] = BIT(d, 2);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 3), x);
			line[0] = BIT(d, 3);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 4), x);
			line[0] = BIT(d, 4);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 5), x);
			line[0] = BIT(d, 5);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 6), x);
			line[0] = BIT(d, 6);
			line = BITMAP_ADDR16(bitmap, (y * 8 + 7), x);
			line[0] = BIT(d, 7);
		}
    }
    return 0;
}
开发者ID:cdenix，项目名称:psmame，代码行数:32，代码来源:gmaster.c


示例9: draw_mode23

static void draw_mode23 (device_t *screen, bitmap_t *bitmap, const rectangle *cliprect) {
    int x,y,yy,yyy,name,charcode;
    UINT8 fg,bg,*patternptr;
    const pen_t *pens;

    pens = screen->machine().pens;
    name = 0;
    for (y=0;y<24;y++) {
        for (x=0;x<32;x++) {
            charcode = tms.vMem[tms.nametbl+name];
            name++;
            patternptr = tms.vMem + tms.pattern +
                ((charcode+(y&3)*2+(y/8)*256)&tms.patternmask)*8;
            for (yy=0;yy<2;yy++) {
                fg = pens[(*patternptr / 16)];
                bg = pens[((*patternptr++) & 15)];
                for (yyy=0;yyy<4;yyy++) {
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+0) = fg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+1) = fg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+2) = fg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+3) = fg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+4) = bg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+5) = bg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+6) = bg;
			*BITMAP_ADDR16(bitmap, y*8+yy*4+yyy, x*8+7) = bg;
                }
            }
        }
    }
}
开发者ID:bdidier，项目名称:MAME-OS-X，代码行数:30，代码来源:tms9928a.c


示例10: draw_semi_graph

INLINE void draw_semi_graph( bitmap_t *bitmap, UINT8 x, UINT8 y, UINT8 data, UINT8 fg )
{
	int i;

	if ( ! data )
		return;

	for ( i = 0; i < 4; i++ )
	{
		*BITMAP_ADDR16(bitmap, y + i, x + 0) = fg;
		*BITMAP_ADDR16(bitmap, y + i, x + 1) = fg;
		*BITMAP_ADDR16(bitmap, y + i, x + 2) = fg;
		*BITMAP_ADDR16(bitmap, y + i, x + 3) = fg;
	}
}
开发者ID:cdenix，项目名称:psmame，代码行数:15，代码来源:scv.c


示例11: VIDEO_UPDATE

static VIDEO_UPDATE( bmcbowl )
{
/*
      280x230,4 bitmap layers, 8bpp,
        missing scroll and priorities   (maybe fixed ones)
*/

	int x,y,z,pixdat;
	bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine));

	z=0;
	for (y=0;y<230;y++)
	{
		for (x=0;x<280;x+=2)
		{
			pixdat = bmcbowl_vid2[0x8000+z];

			if(pixdat&0xff)
				*BITMAP_ADDR16(bitmap, y, x+1) = (pixdat&0xff);
			if(pixdat>>8)
				*BITMAP_ADDR16(bitmap, y, x) = (pixdat>>8);

			pixdat = bmcbowl_vid2[z];

			if(pixdat&0xff)
				*BITMAP_ADDR16(bitmap, y, x+1) = (pixdat&0xff);
			if(pixdat>>8)
				*BITMAP_ADDR16(bitmap, y, x) = (pixdat>>8);

			pixdat = bmcbowl_vid1[0x8000+z];

			if(pixdat&0xff)
				*BITMAP_ADDR16(bitmap, y, x+1) = (pixdat&0xff);
			if(pixdat>>8)
				*BITMAP_ADDR16(bitmap, y, x) = (pixdat>>8);

			pixdat = bmcbowl_vid1[z];

			if(pixdat&0xff)
				*BITMAP_ADDR16(bitmap, y, x+1) = (pixdat&0xff);
			if(pixdat>>8)
				*BITMAP_ADDR16(bitmap, y, x) = (pixdat>>8);

			z++;
		}
	}
	return 0;
}
开发者ID:AltimorTASDK，项目名称:shmupmametgm，代码行数:48，代码来源:bmcbowl.c


示例12: MC6845_UPDATE_ROW

static MC6845_UPDATE_ROW( v1050_update_row )
{
	v1050_state *state = device->machine().driver_data<v1050_state>();

	int column, bit;

	for (column = 0; column < x_count; column++)
	{
		UINT16 address = (((ra & 0x03) + 1) << 13) | ((ma & 0x1fff) + column);
		UINT8 data = state->m_video_ram[address & V1050_VIDEORAM_MASK];
		UINT8 attr = (state->m_attr & 0xfc) | (state->m_attr_ram[address] & 0x03);

		for (bit = 0; bit < 8; bit++)
		{
			int x = (column * 8) + bit;
			int color = BIT(data, 7);

			/* blinking */
			if ((attr & V1050_ATTR_BLINKING) && !(attr & V1050_ATTR_BLINK)) color = 0;

			/* reverse video */
			color ^= BIT(attr, 4);

			/* bright */
			if (color && (!(attr & V1050_ATTR_BOLD) ^ (attr & V1050_ATTR_BRIGHT))) color = 2;

			/* display blank */
			if (attr & V1050_ATTR_BLANK) color = 0;

			*BITMAP_ADDR16(bitmap, y, x) = color;

			data <<= 1;
		}
	}
}
开发者ID:rogerjowett，项目名称:ClientServerMAME，代码行数:35，代码来源:v1050.c


示例13: draw_stars

static void draw_stars(bitmap_t *bitmap, const rectangle *cliprect, int flip)
{
	if (1)
	{
		int star_cntr;
		int set_a, set_b;

		/* two sets of stars controlled by these bits */
		set_a = bosco_starblink[0];
		set_b = bosco_starblink[1] |0x2;

		for (star_cntr = 0;star_cntr < MAX_STARS;star_cntr++)
		{
			int x,y;

			if   ( (set_a == star_seed_tab[star_cntr].set) ||  ( set_b == star_seed_tab[star_cntr].set) )
			{
				x = (  star_seed_tab[star_cntr].x + stars_scrollx) % 256;
				y = (  star_seed_tab[star_cntr].y + stars_scrolly) % 256;

				/* dont draw the stars that are off the screen */
				if ( x < 224 && y < 224 )
				{
					if (flip) x += 64;

					if (y >= cliprect->min_y && y <= cliprect->max_y)
						*BITMAP_ADDR16(bitmap, y, x) = STARS_COLOR_BASE + star_seed_tab[star_cntr].col;
				 }
			}
		}
	}
}
开发者ID:nitrologic，项目名称:emu，代码行数:32，代码来源:bosco.c


示例14: MC6845_UPDATE_ROW

static MC6845_UPDATE_ROW( h19_update_row )
{
	h19_state *state = device->machine().driver_data<h19_state>();
	UINT8 chr,gfx;
	UINT16 mem,x;
	UINT16 *p = BITMAP_ADDR16(bitmap, y, 0);

	for (x = 0; x < x_count; x++)
	{
		UINT8 inv=0;
		if (x == cursor_x) inv=0xff;
		mem = (ma + x) & 0x7ff;
		chr = state->m_videoram[mem];

		if (chr & 0x80)
		{
			inv ^= 0xff;
			chr &= 0x7f;
		}

		/* get pattern of pixels for that character scanline */
		gfx = state->m_charrom[(chr<<4) | ra] ^ inv;

		/* Display a scanline of a character (8 pixels) */
		*p++ = ( gfx & 0x80 ) ? 1 : 0;
		*p++ = ( gfx & 0x40 ) ? 1 : 0;
		*p++ = ( gfx & 0x20 ) ? 1 : 0;
		*p++ = ( gfx & 0x10 ) ? 1 : 0;
		*p++ = ( gfx & 0x08 ) ? 1 : 0;
		*p++ = ( gfx & 0x04 ) ? 1 : 0;
		*p++ = ( gfx & 0x02 ) ? 1 : 0;
		*p++ = ( gfx & 0x01 ) ? 1 : 0;
	}
}
开发者ID:cdenix，项目名称:psmame，代码行数:34，代码来源:h19.c


示例15: mos6560_drawlines

static void mos6560_drawlines( running_device *device, int first, int last )
{
	mos6560_state *mos6560 = get_safe_token(device);
	int line, vline;
	int offs, yoff, xoff, ybegin, yend, i, j;
	int attr, ch;

	mos6560->lastline = last;
	if (first >= last)
		return;

	for (line = first; (line < mos6560->ypos) && (line < last); line++)
	{
		for (j = 0; j < mos6560->total_xsize; j++)
			*BITMAP_ADDR16(mos6560->bitmap, line, j) = mos6560->framecolor;
	}

	for (vline = line - mos6560->ypos; (line < last) && (line < mos6560->ypos + mos6560->ysize);)
	{
		if (mos6560->matrix8x16)
		{
			offs = (vline >> 4) * mos6560->chars_x;
			yoff = (vline & ~0xf) + mos6560->ypos;
			ybegin = vline & 0xf;
			yend = (vline + 0xf < last - mos6560->ypos) ? 0xf : ((last - line) & 0xf) + ybegin;
		}
		else
		{
开发者ID:AltimorTASDK，项目名称:shmupmametgm，代码行数:28，代码来源:mos6560.c


示例16: VIDEO_UPDATE

static VIDEO_UPDATE(hotblock)
{

	int y,x,count;
	int i;
	static int xxx=320,yyy=204;

	fillbitmap(bitmap, get_black_pen(machine), 0);

	for (i=0;i<256;i++)
	{
		int dat=(hotblock_pal[i*2+1]<<8)|hotblock_pal[i*2];
		palette_set_color_rgb(machine,i,pal5bit(dat>>0),pal5bit(dat>>5),pal5bit(dat>>10));
	}

	count=0;
	for (y=0;y<yyy;y++)
	{
		for(x=0;x<xxx;x++)
		{
			if(hotblock_port0&0x40) *BITMAP_ADDR16(bitmap, y, x) = hotblock_ram[count];
			count++;
		}
	}


	return 0;
}
开发者ID:broftkd，项目名称:historic-mame，代码行数:28，代码来源:hotblock.c


示例17: ssystem3_draw_7segment

static void ssystem3_draw_7segment(bitmap_t *bitmap,int value, int x, int y)
{
	int i, xi, yi, mask, color;

	for (i=0, xi=0, yi=0; led[i]; i++) {
		mask=0;
		switch (led[i]) {
		case 'a': mask=0x80; break;
		case 'b': mask=0x40; break;
		case 'c': mask=0x20; break;
		case 'd': mask=0x10; break;
		case 'e': mask=8; break;
		case 'f': mask=4; break;
		case 'g': mask=2; break;
		case 'h':
			// this is more likely wired to the separate leds
			mask=1;
			break;
		}

		if (mask!=0) {
			color=(value&mask)?1:0;
			*BITMAP_ADDR16(bitmap, y+yi, x+xi) = color;
		}
		if (led[i]!='\r') xi++;
		else { yi++, xi=0; }
	}
}
开发者ID:cdenix，项目名称:psmame，代码行数:28，代码来源:ssystem3.c


示例18: draw_torpedo

static void draw_torpedo(running_machine *machine, bitmap_t* bitmap, const rectangle* cliprect)
{
	int count = 0;

	int x;
	int y;

	drawgfx_transpen(bitmap, cliprect,
		machine->gfx[3],
		wolfpack_torpedo_pic,
		0,
		0, 0,
		2 * (244 - wolfpack_torpedo_h),
		224 - wolfpack_torpedo_v, 0);

	for (y = 16; y < 224 - wolfpack_torpedo_v; y++)
	{
		int x1;
		int x2;

		if (y % 16 == 1)
			count = (count - 1) & 7;

		x1 = 248 - wolfpack_torpedo_h - count;
		x2 = 248 - wolfpack_torpedo_h + count;

		for (x = 2 * x1; x < 2 * x2; x++)
			if (LFSR[(current_index + 0x300 * y + x) % 0x8000])
				*BITMAP_ADDR16(bitmap, y, x) = 1;
	}
}
开发者ID:Paulodx，项目名称:sdl-mame-wii，代码行数:31，代码来源:wolfpack.c


示例19: SCREEN_UPDATE

static SCREEN_UPDATE(hotblock)
{
	hotblock_state *state = screen->machine().driver_data<hotblock_state>();
	int y, x, count;
	int i;
	static const int xxx = 320, yyy = 204;

	bitmap_fill(bitmap, 0, get_black_pen(screen->machine()));

	for (i = 0; i < 256; i++)
	{
		int dat = (state->m_pal[i * 2 + 1] << 8) | state->m_pal[i * 2];
		palette_set_color_rgb(screen->machine(), i, pal5bit(dat >> 0), pal5bit(dat >> 5), pal5bit(dat >> 10));
	}

	count = 0;
	for (y = 0; y < yyy; y++)
	{
		for(x = 0; x < xxx; x++)
		{
			if (state->m_port0 & 0x40)
				*BITMAP_ADDR16(bitmap, y, x) = state->m_vram[count];
			count++;
		}
	}

	return 0;
}
开发者ID:esn3s，项目名称:mame-rr，代码行数:28，代码来源:hotblock.c


示例20: draw_mode12

static void draw_mode12 (device_t *screen, bitmap_t *bitmap, const rectangle *cliprect) {
    int pattern,x,y,yy,xx,name,charcode;
    UINT8 fg,bg,*patternptr;
    const pen_t *pens;
    rectangle rt;

    pens = screen->machine().pens;
    fg = pens[tms.Regs[7] / 16];
    bg = pens[tms.Regs[7] & 15];

	/* colours at sides must be reset */
	rt.min_y = 0; rt.max_y = 191;
	rt.min_x = 0; rt.max_x = 7;
	bitmap_fill (bitmap, &rt, bg);
	rt.min_y = 0; rt.max_y = 191;
	rt.min_x = 248; rt.max_x = 255;
	bitmap_fill (bitmap, &rt, bg);

    name = 0;
    for (y=0;y<24;y++) {
        for (x=0;x<40;x++) {
            charcode = (tms.vMem[tms.nametbl+name]+(y/8)*256)&tms.patternmask;
            name++;
            patternptr = tms.vMem + tms.pattern + (charcode*8);
            for (yy=0;yy<8;yy++) {
                pattern = *patternptr++;
                for (xx=0;xx<6;xx++) {
					*BITMAP_ADDR16(bitmap, y*8+yy, 8+x*6+xx) = (pattern & 0x80) ? fg : bg;
                    pattern *= 2;
                }
            }
        }
    }
}
开发者ID:bdidier，项目名称:MAME-OS-X，代码行数:34，代码来源:tms9928a.c



注：本文中的BITMAP_ADDR16函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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