BS0_IO
&& (in_8(&mr->bus_status0) & BS0_IO)) {
&& (in_8(&mr->bus_status0) & BS0_IO)) {
#define BP_STATUS (BS0_CD+BS0_IO)
#define BP_MSGIN (BS0_MSG+BS0_CD+BS0_IO)
#define BS0_PHASE (BS0_MSG+BS0_CD+BS0_IO)
#define BP_DATAIN BS0_IO