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Line 202... Line 202...
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    unsigned int x;
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    unsigned int x;
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    for (x = 0; x < viewports[vp].width; x++)
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    for (x = 0; x < viewports[vp].width; x++)
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        putpixel(vp, x, y, viewports[vp].style.bg_color);
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        putpixel(vp, x, y, viewports[vp].style.bg_color);
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}
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}
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static void draw_rectangle(int vp, unsigned int sx, unsigned int sy,
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               unsigned int width, unsigned int height,
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               int color)
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{
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    unsigned int x, y;
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    /* Clear first line */
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    for (x = 0; x < width; x++)
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        putpixel(vp, sx + x, sy, color);
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    /* Recompute to screen coords */
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    sx += viewports[vp].x;
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    sy += viewports[vp].y;
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    /* Copy the rest */
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    for (y = sy+1;y < sy+height; y++)
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        memcpy(&screen.fbaddress[POINTPOS(sx,y)],
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               &screen.fbaddress[POINTPOS(sx,sy)],
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               screen.pixelbytes * width);
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}
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/** Fill viewport with background color */
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/** Fill viewport with background color */
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static void clear_port(int vp)
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static void clear_port(int vp)
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{
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{
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    unsigned int y;
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    viewport_t *vport = &viewports[vp];
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    clear_line(vp, 0);
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    for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) {
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    draw_rectangle(vp, 0, 0, vport->width, vport->height, vport->style.bg_color);
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        memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
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               &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
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               screen.pixelbytes * viewports[vp].width);
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    }  
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}
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}
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/** Scroll port up/down
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/** Scroll port up/down
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 *
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 *
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 * @param vp Viewport to scroll
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 * @param vp Viewport to scroll
Line 225... Line 241...
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static void scroll_port(int vp, int rows)
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static void scroll_port(int vp, int rows)
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{
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{
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    int y;
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    int y;
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    int startline;
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    int startline;
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    int endline;
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    int endline;
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    viewport_t *vport = &viewports[vp];
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    if (rows > 0) {
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    if (rows > 0) {
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        for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++)
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        for (y=vport->y; y < vport->y+vport->height - rows*FONT_SCANLINES; y++)
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            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
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            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
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                   &screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)],
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                   &screen.fbaddress[POINTPOS(vport->x,y + rows*FONT_SCANLINES)],
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                   screen.pixelbytes * viewports[vp].width);
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                   screen.pixelbytes * vport->width);
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        /* Clear last row */
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        startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1);
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        draw_rectangle(vp, 0, FONT_SCANLINES*(vport->rows - 1),
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        endline = viewports[vp].y + viewports[vp].height;
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        clear_line(vp, startline);
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        for (y=startline+1;y < endline; y++)
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            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
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                   &screen.fbaddress[POINTPOS(viewports[vp].x,startline)],
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                   vport->width, FONT_SCANLINES, vport->style.bg_color);
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                   screen.pixelbytes * viewports[vp].width);
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    } else if (rows < 0) {
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    } else if (rows < 0) {
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        rows = -rows;
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        rows = -rows;
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        for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--)
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        for (y=vport->y + vport->height-1; y >= vport->y + rows*FONT_SCANLINES; y--)
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            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
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            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
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                &screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)],
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                &screen.fbaddress[POINTPOS(vport->x,y - rows*FONT_SCANLINES)],
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                screen.pixelbytes * viewports[vp].width);
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                screen.pixelbytes * vport->width);
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        /* Clear first row */
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        clear_line(0, viewports[vp].style.bg_color);
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        draw_rectangle(vp, 0, 0, vport->width, FONT_SCANLINES, vport->style.bg_color);
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        for (y=1;y < rows*FONT_SCANLINES; y++)
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            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)],
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                   &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
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                   screen.pixelbytes * viewports[vp].width);
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    }
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    }
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}
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}
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static void invert_pixel(int vp,unsigned int x, unsigned int y)
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static void invert_pixel(int vp,unsigned int x, unsigned int y)
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{
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{