iosys_map_wr
iosys_map_wr(dmap, y * dpitch + x * sizeof(u32), u32, fg32);
iosys_map_wr(dmap, y * dpitch + x * sizeof(u16), u16, color);
iosys_map_wr(dmap, off, u8, (color & 0x000000FF) >> 0);
iosys_map_wr(dmap, off + 1, u8, (color & 0x0000FF00) >> 8);
iosys_map_wr(dmap, off + 2, u8, (color & 0x00FF0000) >> 16);
iosys_map_wr(dmap, y * dpitch + x * sizeof(u32), u32, color);
iosys_map_wr(dmap, y * dpitch + x * sizeof(u16), u16, fg16);
iosys_map_wr(dmap, off, u8, (fg32 & 0x000000FF) >> 0);
iosys_map_wr(dmap, off + 1, u8, (fg32 & 0x0000FF00) >> 8);
iosys_map_wr(dmap, off + 2, u8, (fg32 & 0x00FF0000) >> 16);
iosys_map_wr(&sb->map[0], offset, u32, color);
iosys_map_wr(_ism, _o + offsetof(_t, _f), __typeof(t->_f), _v); \