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/** Scroll screen one row up */
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/** Scroll screen one row up */
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static void scroll_screen(void)
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static void scroll_screen(void)
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{
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{
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    unsigned int i;
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    __u8 *lastline = &fbaddress[(rows - 1) * ROW_BYTES];
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    __u8 *lastline = &fbaddress[(rows - 1) * ROW_BYTES];
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    memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES);
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    memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES);
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    /* Clear last row */
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    /* Clear last row */
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    if (blankline) {
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        memcpy((void *) lastline, (void *) blankline, ROW_BYTES);
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    memcpy((void *) lastline, (void *) blankline, ROW_BYTES);
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    } else {
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        for (i = 0; i < FONT_SCANLINES; i++)
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            clear_line((rows - 1) * FONT_SCANLINES + i);
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        if (config.mm_initialized) {
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            /* Save a blank line aside. */
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            blankline = (__u8 *) malloc(ROW_BYTES, FRAME_ATOMIC);
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            if (blankline)
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                memcpy((void *) blankline, (void *) lastline, ROW_BYTES);
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        }
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    }
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}
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}
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static void invert_pixel(unsigned int x, unsigned int y)
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static void invert_pixel(unsigned int x, unsigned int y)
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{
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{
Line 359... Line 346...
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    rows = y / FONT_SCANLINES;
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    rows = y / FONT_SCANLINES;
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    columns = x / COL_WIDTH;
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    columns = x / COL_WIDTH;
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    clear_screen();
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    clear_screen();
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    blankline = (__u8 *) malloc(ROW_BYTES, FRAME_ATOMIC);
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    ASSERT(blankline);
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    memcpy((void *) blankline, (void *) &fbaddress[(rows - 1) * ROW_BYTES], ROW_BYTES);
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    draw_logo(xres - helenos_width, 0);
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    draw_logo(xres - helenos_width, 0);
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    invert_cursor();
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    invert_cursor();
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    chardev_initialize("fb", &framebuffer, &fb_ops);
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    chardev_initialize("fb", &framebuffer, &fb_ops);
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    stdout = &framebuffer;
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    stdout = &framebuffer;