SET_5380_REG
#define SET_5380_REG(rnum,val) (SCSI_5380->scsi_5380[(rnum << 1) | 1] = val)
#define SET_5380_REG(rnum,val) set_falcon_5380_reg(rnum, val)
#define SET_5380_REG (*set_5380_reg)
#define SET_5380_REG(rnum,val) (SCSI_5380->scsi_5380[((rnum)<<4)] = (val))