BGE_RBDIMODE_ENABLE
CSR_WRITE_4(sc, BGE_RBDI_MODE, BGE_RBDIMODE_ENABLE);
bge_stop_block(sc, BGE_RBDI_MODE, BGE_RBDIMODE_ENABLE);
bge_stop_block(sc, BGE_RDBDI_MODE, BGE_RBDIMODE_ENABLE);