GX_ROP_NOOP
GX_ROP_11_0(GX_ROP_NOOP) |\
GX_ROP_10_0(GX_ROP_NOOP) | \
GX_ROP_01_0(GX_ROP_NOOP) |\
GX_ROP_00_0(GX_ROP_NOOP))