SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
This field is used if the TR TYPE specifies the TR is for a block move if the addressing mode specified in the AMODE field applies to the source addressing or the destination addressing. A value of 0 means the source addressing will use the method selected in the AMODE field and the destination address will use the default linear addressing. A value of 1 means that the destination addressing will use the method selected in the AMODE field and the source addressing will use the default linear addressing. If the TR TYPE is not a block transfer then this field will be ignored.