FB_LINEBYTES
*(uint8_t *)(fb.fb_addr + __x + __y * FB_LINEBYTES) = 0xff;
p = (uint8_t *)fb.fb_addr + x + y * FB_LINEBYTES;
k = j + FB_LINEBYTES - w;
p = fb.fb_addr + x1 + y1 * FB_LINEBYTES;
q = fb.fb_addr + x0 + y0 * FB_LINEBYTES;
k = j + FB_LINEBYTES - w;
fb_addr = fb.fb_addr + x + y * FB_LINEBYTES;
fb_addr += FB_LINEBYTES;
fb_addr = fb.fb_addr + x + y * FB_LINEBYTES;
fb_addr += FB_LINEBYTES;
case FB_LINEBYTES: