fbmem_poke
fbmem_poke(fb, off, val);
fbmem_poke(fb, 4 * i, patt);
fbmem_poke(fb, 0x400000, patt + 1);
fbmem_poke(fb, 4 * i, patt);
fbmem_poke(fb, 4 * i, patt);
fbmem_poke(fb, 0x1c, 0);
fbmem_poke(fb, 0x1c, patt);
fbmem_poke(fb, 0x3c, 0);
fbmem_poke(fb, off, patt);
fbmem_poke(fb, 0, 0);
fbmem_poke(fb, off - 4, off);