BS0_CD
#define BP_STATUS (BS0_CD+BS0_IO)
#define BP_MSGOUT (BS0_MSG+BS0_CD)
#define BP_MSGIN (BS0_MSG+BS0_CD+BS0_IO)
#define BS0_PHASE (BS0_MSG+BS0_CD+BS0_IO)
#define BP_COMMAND BS0_CD