OP_SKIP
*(*dma_prog)++ = htole32(OP_SKIP | OP_SOL | start_skip);
if (operation != OP_SKIP )
*(*dma_prog)++ = htole32(OP_SKIP | OP_SOL | start_skip);
if (operation != OP_SKIP )
bktr->yclip, OP_SKIP, Bpp, &target, cols);
bktr->yclip, OP_SKIP, Bpp, &target, cols);
OP_SKIP, Bpp, &target, cols);
bktr->yclip, OP_SKIP, Bpp, &target, cols);