CG6_FBC_ALU
FBC_WRITE(sc, CG6_FBC_ALU, FBC_ALU_FLIP);
FBC_WRITE(sc, CG6_FBC_ALU, FBC_ALU_COPY);
FBC_WRITE(sc, CG6_FBC_ALU, FBC_ALU_COPY);
FBC_WRITE(sc, CG6_FBC_ALU, FBC_ALU_FILL);
FBC_WRITE(sc, CG6_FBC_ALU, FBC_ALU_FILL);